Academic literature on the topic 'Bod development. eng'
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Journal articles on the topic "Bod development. eng"
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Ruuska, Jari, Riku-Pekka Nikula, Eemeli Ruhanen, Janne Kauppi, Sakari Kauvosaari, and Mika Kosonen. "Data analysis of a paste thickener." Open Engineering 10, no. 1 (May 4, 2020): 362–67. http://dx.doi.org/10.1515/eng-2020-0038.
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AbstractThe solids content of slurry is typically increased in thickeners. A clean overflow and maximum solids concentration in the underflow are the general targets. The flocculant rate and underflow rate are the two independent variables that are typically used for control. The dependent variables include rake torque, underflow density, overflow turbidity, solids interface level (bed depth), solids inventory (bed pressure), solids settling rate and underflow viscosity. The research problem in question is that the outgoing paste is sometimes difficult to pump. The phenomena leading to this situation are not well known. In the worst-case scenario these phenomena cause clogging in the piping. A data analysis has been done to find the variables that affect and correlate with the pumping problem. The scope of this study covers the measurements from the feed line, thickener and underflow. The goal is to gain better understanding of the phenomena after this phase. The data analysis was done using the paste line pressure difference as a response variable and by dividing the data collected from Yara’s Siilinjärvi mill into two parts: operation areas with high and low pressure difference. The analysis is focused on Thickener 1 due to better availability of measurements. The knowledge of the variables found to influence the pressure difference can be utilized in further development.
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St. Johnston, Daniel, Wolfgang Driever, Thomas Berleth, Sibyll Richstein, and Christiane Nüsslein-Volhard. "Multiple steps in the localization of bicoid RNA to the anterior pole of the Drosophila oocyte." Development 107, Supplement (April 1, 1989): 13–19. http://dx.doi.org/10.1242/dev.107.supplement.13.
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The anterior region of the Drosophila embryonic pattern is determined by a gradient of the bicoid (bcd) protein. The correct formation of this gradient requires the localization of bcd RNA to the anterior pole of the egg. Here we use a wholemount in situ technique to examine the process of bcd RNA localization during oogenesis and embryogenesis. While bcd protein becomes distributed in a gradient that extends throughout the anterior two thirds of the early embryo, bcd RNA remains restricted to a much smaller region at the anterior pole. The difference between these distributions indicates that the shape of the protein gradient must depend to some extent on the posterior movement of the protein after it has been synthesized. Four distinct phases of bcd RNA localization can be distinguished during oogenesis. Between stages 6 and 9 of oogenesis, the RNA accumulates in a ring at the anterior end of the oocyte. During the second phase, in stage 9–10a follicles, the RNA also localizes to the apical regions of the nurse cells, demonstrating that the nurse cells possess an intrinsic polarity. As the nurse cells contract during stages 10b–ll, all of the bcd RNA becomes localized to the cortex at the anterior end of the oocyte. During a final phase that must occur between stage 12 of oogenesis and egg deposition, the RNA becomes localized to a spherical region that occupies a slightly dorsal position at the anterior pole. Mutations in the maternal-effect genes, exuperantia (exu) and swallow (sww), lead to an almost uniform distribution of bcd RNA in the early embryo, while staufen (stau) mutations produce a gradient of RNA at the anterior pole, exu mutations disrupt the second stage of bcd RNA localization during oogenesis, sww mutations disrupt the third, and stau mutations affect the fourth phase.
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Ishii, Sumiyasu, Izuki Amano, and Noriyuki Koibuchi. "The Role of Thyroid Hormone in the Regulation of Cerebellar Development." Endocrinology and Metabolism 36, no. 4 (August 31, 2021): 703–16. http://dx.doi.org/10.3803/enm.2021.1150.
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The proper organized expression of specific genes in time and space is responsible for the organogenesis of the central nervous system including the cerebellum. The epigenetic regulation of gene expression is tightly regulated by an intrinsic intracellular genetic program, local stimuli such as synaptic inputs and trophic factors, and peripheral stimuli from outside of the brain including hormones. Some hormone receptors are expressed in the cerebellum. Thyroid hormones (THs), among numerous circulating hormones, are well-known major regulators of cerebellar development. In both rodents and human, hypothyroidism during the postnatal developmental period results in abnormal morphogenesis or altered function. THs bind to the thyroid hormone receptors (TRs) in the nuclei and with the help of transcriptional cofactors regulate the transcription of target genes. Gene regulation by TR induces cell proliferation, migration, and differentiation, which are necessary for brain development and plasticity. Thus, the lack of TH action mediators may directly cause aberrant cerebellar development. Various kinds of animal models have been established in a bid to study the mechanism of TH action in the cerebellum. Interestingly, the phenotypes differ greatly depending on the models. Herein we summarize the actions of TH and TR particularly in the developing cerebellum.
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Helfrich, Joel T. "“Constant Pressure, Constantly Applied”: Remembering Bob Witzeman, 1927–2014." Environmental Justice 9, no. 1 (February 2016): 15–21. http://dx.doi.org/10.1089/env.2015.0031.
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Jeníček, V., and V. Krepl. "Development assistance ." Agricultural Economics (Zemědělská ekonomika) 52, No. 5 (February 17, 2012): 209–24. http://dx.doi.org/10.17221/5018-agricecon.
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Development assistance achieved remarkable success in different periods. For example, Botswana and South Korea reached the great development in the 60s after very bad situation, Indonesia in the 70s, Bolivia and Ghana at the end of the 80s, Uganda and Vietnam in the 90s. In these countries development assistance played important role in economic transformation in formulation of the development of politics. The development assistance contributed educational programs and financially supported the development of public sector. The “Green Revolution” – by means of innovations in agriculture, investments and political changes – improved the live conditions of millions people thanks to the collaboration of many bilateral and multilateral donors. But there are some failures with the foreign aide. While the formed dictator of Zaire Mobutu Sese Seko became one of the richest people in the world (and invested his property in abroad), the development assistance did not stop for many years, Zaire (now the Democratic Republic of Congo) is only one example of the situation, where the permanent flows of assistance ignore or support the corruption and in suitable politics of governments. Tanzania received two milliards dollars for building the roads destiny the twenty years. But the roads were destroyed sooner, than the works could be finished because of insufficient maintenance. The study of World Bank brings the conclusions of the new conception of the development assistance: financial assistance works only in suitable political world; the lowering of poverty is possible only with working institutions – political and economic; effective assistance complete the private investments; receiving country is obliged to have public sector in function; the function of public sector is developing on the activity of civil society; patience and good ideas, not only money, can help to reforms in very unfavorable conditions.
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Virkola, Nils-Erik, and Kristiina Honkanen. "Wastewater Characteristics." Water Science and Technology 17, no. 1 (January 1, 1985): 1–28. http://dx.doi.org/10.2166/wst.1985.0001.
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Forceful measures have been taken in the past decade to reduce the pollution loads of pulp and paper mills. Besides more effective external waste water treatment, internal arrangements have been made to reduce pollution loads, e.g. by closing water systems. New processes and technically improved machines and equipment have made it possible to utilize raw materials and chemicals more efficiently. This has also reduced the pollution loads of the mills. In the 1970s, pollution loads were restricted by environmental laws and regulations in many countries, and the restrictions will become tighter during the 1980s. This will require much research and development. In this paper, characteristics of effluents (BOD, suspended solids, colour, TOC, COD, toxicity) discharged from chemical and mechanical pulping processes and from paper and board mills are presented in general terms and by mill department. Process developments and effects of these developments on pollution loads are described and future trends are discussed.
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Lacoue-Labarthe, T., S. Martin, F. Oberhänsli, J. L. Teyssié, S. Markich, R. Jeffree, and P. Bustamante. "Effects of increased <i>p</i>CO<sub>2</sub> and temperature on trace element (Ag, Cd and Zn) bioaccumulation in the eggs of the common cuttlefish, <i>Sepia officinalis</i>." Biogeosciences Discussions 6, no. 3 (May 11, 2009): 4865–94. http://dx.doi.org/10.5194/bgd-6-4865-2009.
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Abstract. Cephalopods play a key role in many marine trophic networks and constitute alternative fisheries resources, especially given the ongoing decline in finfish stocks. Along the European coast, the eggs of the cuttlefish Sepia officinalis are characterized by an increasing permeability of the eggshell during development, which leads to selective accumulation of essential and non-essential elements in the embryo. Temperature and pH are two critical factors that affect the metabolism of marine organisms in the coastal shallow waters. In this study, we are testing the effects of pH and temperature through a crossed (3×2) laboratory experiment. Seawater pH showed a strong effect on the egg weight and non-significant impact on the hatchlings weight at the end of development implying egg swelling process and embryo growth disturbances. The lower pH of incubation seawater of eggs, the more the hatchlings accumulated 110m Ag in their tissues. The 109Cd CF decreased with increasing pH and 65Zn CF reached the maximal values pH 7.85, independent of temperature. Our results suggest that pH and temperature affected both the permeability properties of the eggshell and the embryo metabolism. To the best of our knowledge, this is one of the first studies on the ocean acidification and ocean warming consequences on the metal uptake in marine organisms, stimulating further interest to evaluate the likely ecotoxicological impact of the global change on the early-life stage of the cuttlefish.
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Luci, Angela, Johannes Jütting, and Christian Morrisson. "Why Do So Many Women End Up in ‘Bad Jobs’? A Cross-country Assessment for Developing Countries." European Journal of Development Research 24, no. 4 (December 15, 2011): 530–49. http://dx.doi.org/10.1057/ejdr.2011.54.
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Pokrywka, N. J., and E. C. Stephenson. "Microtubules mediate the localization of bicoid RNA during Drosophila oogenesis." Development 113, no. 1 (September 1, 1991): 55–66. http://dx.doi.org/10.1242/dev.113.1.55.
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We have examined cytoskeletal requirements for bicoid (bcd) RNA localization during Drosophila oogenesis. bcd is an anterior morphogen whose proper function relies on the localization of its messenger RNA to the anterior cortex of the egg. Drugs that depolymerize microtubules perturb all aspects of bcd RNA localization. During recovery from drug treatment, bcd RNA relocalizes to the oocyte cortex, suggesting that the localization machinery is a component of the cortical cytoskeleton. Taxol, a drug that stabilizes microtubules, also effectively disrupts bcd RNA localization, and the effects of taxol treatments on exuperantia and swallow mutants suggest general roles for these gene products in the multi-step bcd RNA localization process.
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Reid, Jo-Anne. "From Bad to Worse?: Troubling Development in Preschool Settings." Australasian Journal of Early Childhood 28, no. 1 (March 2003): 1–6. http://dx.doi.org/10.1177/183693910302800102.
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At the end of Jake's first day of school his teacher called him the ‘worst kid in the class’. A year later, when he was not ‘progressed’ to Year 1, the pattern of Jake's school development seemed to be set. As I write, Jake is in Year 4, and many of the predictions his Prep teacher made on that first day seem accurate—he has not had a history of successful learning or social experience at school. As I discuss elsewhere (Hill et al., 2002), Jake has had periods of very successful learning and progress though, which indicate that the ‘developmental pathways’ that children tread are socially constructed, rather than reliant on innate ‘abilities’ or ‘natural’ traits. For Jenks, ‘development’, or ‘progress towards an adult state over time’, is ‘the primary metaphor through which childhood is made intelligible’ (1996, p. 36). Psychological notions of development, however, are far more complicated and troublesome than such a metaphor encourages us to believe.
Dissertations / Theses on the topic "Bod development. eng"
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Drubi, Gabriel Miranda. "Antecipação da idade à cobertura de novilhas leiteiras, recriadas a pasto, suplementadas com minerais orgânicos e inorgânicos /." Jaboticabal : [s.n.], 2009. http://hdl.handle.net/11449/96589.
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Orientador: Flávio Dutra de ResendeBanca: Irineu Arcaro Junior
Banca: Mauro Dal Secco de Oliveira
Resumo: Foram realizados dois experimentos visando avaliar a suplementação mineral em novilhas leiteiras criadas a pasto. No primeiro, buscou-se avaliar o efeito da suplementação com fontes de minerais inorgânicos e orgânicos no período da águas sobre o desenvolvimento corporal de novilhas mestiças Gir x Holandês, com idade média de 13 meses e peso vivo médio inicial de 176,81± 10,1 kg, distribuídas em delineamento em blocos casualizados, com dezesseis repetições por tratamento, totalizando 32 animais no período das águas. As novilhas permaneceram em pastagem de Brachiaria brizantha cv. Marandu e como tratamento utilizou-se suplementação com minerais inorgânicos ou orgânicos. Os animais foram manejados em sistema de pastejo intermitente, com sete dias de ocupação e 35 dias de descanso em cada piquete. Ao final de cada ciclo de pastejo (42 dias) os animais foram pesados e mensurados quanto a altura na cernelha e o perímetro torácico e o peso médio do lote usado para os cálculos de ajuste de carga. A disponibilidade de forragem foi monitorada semanalmente. Não foram observados efeitos das fontes de minerais inorgânicos e orgânicos sobre o ganho médio diário de peso vivo (GMDPV) e nas mensurações do perímetro torácico e na altura na cernelha. O ajuste da carga animal na pastagem durante o período das águas e com a suplementação mineral correta proporcionando bom desempenho das novilhas com ganho de (0,68 kg/dia). No segundo experimento, objetivou-se avaliar o efeito de dois níveis de suplementação com fontes de minerais inorgânicos e orgânicos no período da seca sobre o desenvolvimento corporal e desempenho reprodutivo de novilhas mestiças Zebu x Holandês, com idade média de 19 meses e peso vivo médio inicial de 302,70 kg, distribuídas em delineamento inteiramente casualizado em esquema fatorial 2 x 2 (minerais x níveis) com cinco repetições... (Resumo completo, clicar acesso eletrônico abaixo)
Abstract: Two experiments have been carried out. The first one, during the rainy season, evaluated the effects of the mineral supplementation with organic and inorganic sources, on the performance of 32 Gir x Holstein (GH) crossbred heifers, averaging 13 months of age and an average initial liveweight (LW) of 176,81kg . They were kept in Brachiaria brizantha (Hochst. Ex A. Rich.) cv. Marandu pasture under rotational grazing system, with 7-day occupation and 35-day rest. The forage utilization didn't vary between treatments, averaging 12Kg MS/100 Kg (LW). The average stocking rate (SR) was 4,19 AU/ha. It hasn't been observed any effects of the mineral sources on the average daily gain (ADG), thoracic perimeter and shoulder height, which were averaging 0,68 Kg/day; 44,47 cm and 55,30 cm, respectively. The mineral supplement intake was 58,10 g/animal/day (inorganic source) and 57,12 g/animal/day (organic source). The second experiment aimed at evaluating the effects of two supplementation rates (2,5 and 5,0 g/Kg of LW) making use of mineral sources, inorganic and organic, during the dry season, on the performance of GH crossbred heifers, averaging 19 months of age and average initial liveweight (LW) of 307,75 Kg. The forage utilization didn't differ between treatments, averaging 12kg MS/100Kg LW. The average stocking rate (SR) was 2,33 AU/ha. The average supplement intake was 0,86; 1,70; 0,81 and 1,75 Kg/animal/day, for inorganic source (2,5 g/Kg and 5,0 g/kg LW) and for organic source (2,5 g/Kg and 5,0 g/Kg LW), respectively. It hasn't been observed any influence of the mineral sources on the average daily gain (ADG) of the heifers, however it has been observed an impact on the supplementation rate, where the heifers supplemented with 5,0 g/Kg of LW presented a higher average daily gain ADG (0,48 Kg/animal) in comparison to the ones supplemented with 2,5 g/kg of LW (0,37 Kg/animal).
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Sabino, Neide Silva Coelho. "Monitoramento e avaliação dos ovos férteis de avestruz submetidos à incubação artificial /." Araçatuba : [s.n.], 2009. http://hdl.handle.net/11449/94684.
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Orientador: Manoel Garcia NetoBanca: Antonio Carlos de Laurentiz
Banca: Max José de Araújo Faria Júnior
Resumo: A desidratação dos ovos de avestruz (Struthio camelus) na incubação artificial é a principal causa do desenvolvimento e qualidade do filhote. Neste estudo, a necessidade de avaliar e manejar os ovos durante a incubação, tornou-se evidente. No incubatório das instalações do Setor Experimental de Zootecnia (SEZ) - UNESP/Araçatuba-SP, foram utilizados 129 ovos férteis eclodidos e 70 ovos férteis não eclodidos para a avaliação da perda de água aos 38 dias; as características da casca, a porosidade e a espessura foram confrontadas à perda total de água do ovo. Observou-se uma diferença na perda total de água para ovos férteis eclodidos (15,45%) e ovos férteis não eclodidos (10,45%). Foram estudados 1303 ovos férteis eclodidos quanto ao posicionamento na incubadora e à desidratação. Para a obtenção dos resultados, a incubadora foi estratificada em 7 prateleiras, 8 gavetas e 3 profundidades. Verificou-se uma perda maior de água por evaporação, quando os ovos estavam localizados nas gavetas próximas ao aquecedor e à entrada de ar desumidificado. Porém, não foram detectadas alterações provocadas pela altura da prateleira ou mesmo pela proximidade dos ovos em relação à porta ou ao fundo da incubadora. Desta forma, concluiu-se que a avaliação e o manejo dos ovos de avestruz na incubação artificial devem fazer parte do controle diário do incubatório.
Abstract: The dehydration of eggs of ostrich (Struthio camelus) in the artificial incubation is the main cause of the development and quality of the youngling. In this study, the necessity to evaluate and to handling eggs during the incubation, became evident. In the room incubation of the installations of the Experimental Zootechny Sector (EZS) - UNESP/Araçatuba- São Paulo, Brazil, 129 ecloded fertile eggs and 70 fertile not ecloded eggs was been followed for the evaluation of the loss of water to 38 days and samples randomly of rinds was collated the characteristics of the rind, porosity and thickness, to the total loss of water of the egg. A difference observed in the total loss of water for ecloded fertile eggs was (15.45%) and fertile not ecloded eggs was (10.45%). Studied of 1303 ecloded fertile eggs how much to the positioning in the incubator and the dehydration for the attainment of the results, the incubator was subdivided in seven shelves, eight drawers and three depths. A bigger loss for evaporation of eggs was verified, when located in the drawers next to the heater and the dry air entrance. Nevertheless, no effect related to the shelves height was detected, not even when the proximity of the egg to the incubator door or the deep one was concerned. In such a way, one concluded that the evaluation and the handling of eggs of ostrich in the artificial incubation must be part of the daily control of the room incubation.
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Braun, Alexis Leah. "Epithelial patterning and body plan mapping in the Drosophila egg chamber." Thesis, University of Cambridge, 2016. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.709497.
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Zhou, Yi. "Development of lightweight soft body armour for ballistic protection." Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/development-of-lightweight-soft-body-armour-for-ballistic-protection(ea43910f-9c6c-416a-a63c-23480451d38d).html.
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Strong and low-density fibres have been favoured materials for ballistic protection, but the choice of fibres is limited for making body armour that is both protective and lightweight. In addition to developments of improved fibres, alternative approaches are required for creating more protective and lighter body armour. This research focuses on a study of the inter-yarn friction and hybrid fabric panels for ballistic protection. Two complemetary routes have been employed to carry out the research, namely a programme of experimentation centred on ballistic shooting test and a detailed theoretical analysis based on finite element (FE) modelling. In this research, fabrics made of ultra-high-molecular-weight polyethylene (UHMWPE) were chosen for investigation due to their good mechanical properties and light weight. For the investigation of inter-yarn friction on fabric ballistic performance, FE models were created in ABAQUS software for theoretical analysis. According to the capstan equation, yarn wrapping angle is one of the factors controlling inter-yarn friction. This being so, novel weaving techniques have been developed to manufacture woven fabrics with increased yarn wrapping angle. Ballistic shooting tests have been carried out on the structure modified woven fabrics and the results showed that the improvement of ballistic peotection on structure modified fabrics is not detectable when compared with plain woven fabric. This could be attributed to the low inter-yarn coefficient of friction of UHMWPE fibres and low increase in wrapping angle due to the high bending rigidity of UHMWPE fibres. Based on the two points, improvements have been suggested for future work. For the development of hybrid panels, an eight-layer woven fabric FE model was created to study the response and failure model of different fabric layers in a panel upon ballistic impact. It has been established that fabrics near the impact face tend to fail by the shearing effect and those near the back face tend to fail in tension. UHMWPE woven and unidirectional (UD) fabrics were evaluated for their resistence to tensile and shearing damage. Two types of panels were designed from the fabrics and the experimental results showed that placing woven fabrics close to the impact face and UD material as the rear layers led to better ballistic performance than the panel constructed in the reverse sequence. It has also been found that the optimum ratio of woven to UD materials in the hybrid ballistic panel was 1:3. The improvement in ballistic protection of the hybrid fabric panels allows less material to be used, leading to lighter weight body armour.
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Husain, Muhammad Dawood. "Development of temperature sensing fabric." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/development-of-temperature-sensing-fabric(0e5e8367-c3b2-4cff-bcc9-f32fac97b50f).html.
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Human body temperature is an important indicator of physical performance and condition in terms of comfort, heat or cold stress. The aim of this research was to develop Temperature Sensing Fabric (TSF) for continuous temperature measurement in healthcare applications. The study covers the development and manufacture of TSF by embedding fine metallic wire into the structure of textile material using a commercial computerised knitting machine. The operational principle of TSF is based on the inherent propensity of a metal wire to respond to changes in temperature with variation in its electrical resistance. Over 60 TSF samples were developed with combinations of different sensing elements, two inlay densities and highly textured polyester yarn as the base material. TSF samples were created using either bare or insulated wires with a range of diameters from 50 to 150 μm and metal wires of nickel, copper, tungsten, and nickel coated copper. In order to investigate the Temperature-Resistance (T-R) relationship of TSF samples for calibration purposes, a customised test rig was developed and monitoring software was created in the LabVIEW environment, to record the temperature and resistance signals simultaneously. TSF samples were tested in various thermal environments, under laboratory conditions and in practical wear trials, to analyse the relationship between the temperature and resistance of the sensing fabric and to develop base line specifications such as sensitivity, resistance ratio, precision, nominal resistance, and response time; the influence of external parameters such as humidity and strain were also monitored. The regression uncertainty was found to be less than in ±0.1°C; the repeatability uncertainty was found to be less than ±0.5°C; the manufacturing uncertainty in terms of nominal resistance was found to be ± 2% from its mean. The experimental T-R relationship of TSF was validated by modelling in the thermo-electrical domain in both steady and transient states. A maximum error of 0.2°C was found between the experimental and modelled T-R relationships. TSF samples made with bare wire sensing elements showed slight variations in their resistance during strain tests, however, samples made with insulated sensing elements did not demonstrate any detectable strain-dependent-resistance error. The overall thermal response of TSF was found to be affected by basal fabric thickness and mass; the effect of RH was not found to be significant. TSF samples with higher-resistance sensing elements performed better than lower-resistance types. Furthermore, TSF samples made using insulated wire were more straightforward to manufacture because of their increased tensile strength and exhibited better sensing performance than samples made with bare wire. In all the human body wear trials, under steady-state and dynamic conditions both sensors followed the same trends and exhibited similar movement artifacts. When layers of clothing were worn over the sensors, the difference between the response of the TSF and a high-precision reference temperature were reduced by the improved isothermal conditions near the measurement site.
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Himes, Benjamin John. "Development and Analysis of a Vibration Based Sleep Improvement Device." BYU ScholarsArchive, 2020. https://scholarsarchive.byu.edu/etd/9168.
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Many research studies have analyzed the effect that whole-body vibration (WBV) has on sleep, and some have sought to use vibration to treat sleep disorders such as insomnia. It has been shown that low frequencies (f < 2Hz) are generally sleep inducing, but oscillations of this frequency are typically difficult to achieve using electromagnetic vibration drives. In the research that has been performed, optimal vibration parameters have not been determined, and the effects of multiple vibration sources vibrating at different frequencies to induce a low frequency traveling wave have not been explored. Insomnia affects millions of people worldwide, and non-pharmacological treatment options are limited. A bed excited with multiple vibration sources was used to explore beat frequency vibration as a non-pharmacological treatment for insomnia. A repeated measures design pilot study of 14 participants with mild-moderate insomnia symptom severity was conducted to determine the effects of beat frequency vibration, and traditional standing wave vibration on sleep latency and quality. Participants were monitored using high-density electroencephalography (HD-EEG). Sleep latency was compared between treatment conditions. Trends of a decrease in sleep latency due to beat frequency vibration were found (p ≤ 0.181 for AASM latency, and p ≤ 0.068 for unequivocal sleep latency). Neural complexity during wake, N1, and N2 stages were compared using Multi-Scale Sample Entropy (MSE), which demonstrated significantly lower MSE between wake and N2 stages (p ≤ 0.002). Lower MSE was found in the transition from wake to N1 stage sleep but did not reach significance (p ≤ 0.300). During N2 sleep, beat frequency vibration shows lower MSE than the control session in the left frontoparietal region. This indicates that beat frequency vibration may lead to a decrease of conscious awareness during deeper stages of sleep. Standing wave vibration caused reduced Alpha activity and increased Delta activity during wake. Beat frequency vibration caused increased Delta activity during N2 sleep. These preliminary results suggest that beat frequency vibration may help individuals with insomnia symptoms by decreasing sleep latency, by reducing their conscious awareness, and by increasing sleep drive expression during deeper stages of sleep. Standing wave vibration may be beneficial for decreasing expression of arousal and increasing expression of sleep drive during wake, implying that a dynamic vibration treatment may be beneficial. The application of vibration treatment as part of a heuristic sleep model is discussed.
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De, La Peña-Cortes Jesus Ernesto. "Development of fluid-solid interaction (FSI)." Thesis, University of Manchester, 2018. https://www.research.manchester.ac.uk/portal/en/theses/development-of-fluidsolid-interaction-fsi(b22b29e2-0349-44a9-ab18-eeb0717d18c8).html.
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This work extends a previously developed finite-volume overset-grid fluid flow solver to enable the characterisation of rigid-body-fluid interaction problems. To this end, several essential components have been developed and blended together. The inherent time-dependent nature of fluid-solid interaction problems is captured through the laminar transient incompressible Navier-Stokes equations for the fluid, and the Euler-Newton equations for rigid-body motion. First and second order accurate time discretisation schemes have been implemented for the former, whereas second and third order accurate time discretisation schemes have been made available for the latter. Without doubt the main advantage the overset-grid method offers regarding moving entities is the avoidance of the time consuming grid regeneration step, and the resulting grid distortion that can often cause numerical stability problems in the solution of the flow equations. Instead, body movement is achieved by the relative motion of a body fitted grid over a suitable background mesh. In this case, the governing equations of fluid flow are formulated using a Lagrangian, Eulerian, or hybrid flow description via the Arbitrary Lagrangian-Eulerian method. This entails the need to guarantee that mesh motion shall not disturb the flow field. With this in mind, the space conservation law has been hard-coded. The compliance of the space conservation law has the added benefit of preventing spurious mass sources from appearing due to mesh deformation. In this work, two-way fluid-solid interaction problems are solved via a partitioned approach. Coupling is achieved by implementing a Picard iteration algorithm. This allows for flexible degree of coupling specificationby the user. Furthermore, if strong coupling is desired, three variants of interface under-relaxation can be chosen to mitigate stability issues and to accelerate convergence. These include fixed, or two variants of Aitkenâs adaptive under-relaxation factors. The software also allows to solve for one-way fluid-solid interaction problems in which the motion of the solid is prescribed. Verification of the core individual components of the software is carried out through the powerful method of manufactured solutions (MMS). This purely mathematically based exercise provides a picture of the order of accuracy of the implementation, and serves as a filter for coding errors which can be virtually impossible to detect by other means. Three instances of one-way fluid-solid interaction cases are compared with simulation results either from the literature, or from the OpenFOAM package. These include: flow within a piston cylinder assembly, flow induced by two oscillating cylinders, and flow induced by two rectangular plates exhibiting general planar motion. Three cases pertaining to the class of two-way fluid-interaction problems are presented. The flow generated by the free fall of a cylinder under the action of gravity is computed with the aid of an intermediate âmotion trackingâ grid. The solution is compared with the one obtained using a vorticity based particle solver for validation purposes. Transverse vortex induced vibrations (VIV) of a circular cylinder immersed in a fluid, and subject to a stream are compared with experimental data. Finally, the fluttering motion of a rectangular plate under different scenarios is analysed.
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Younesi, Jalal. "Study of psychosocial adjustment among physically disabled children and adolescents in development of body image." Thesis, King's College London (University of London), 1998. https://kclpure.kcl.ac.uk/portal/en/theses/study-of-psychosocial-adjustment-among-physically-disabled-children-and-adolescents-in-development-of-body-image(27d61754-fd2f-4ce6-a11f-2c615cac01dd).html.
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Liu, Dun. "Water treatment by adsorption and electrochemical regeneration : development of a liquid-lift reactor." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/water-treatment-by-adsorption-and-electrochemical-regenerationdevelopment-of-a-liquidlift-reactor(fdf6248a-90a1-4950-87d7-14fc501ab35b).html.
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Efficient and economic treatment of low concentration organic pollutants in water, wastewater or industrial process streams is normally very difficult to achieve. Activated carbon has been widely used for contaminant adsorption, but there are problems associated with its regeneration. In this work, a novel, non-porous, highly-conducting graphite intercalation compounds material (GIC) is used. The use of such an adsorbent can significantly reduce the time required to achieve both equilibrium and electrochemical regeneration. This character allows the design of an innovative treatment process that can adsorb contaminants and electrochemically regenerate itself simultaneously within a single unit. A novel liquid-lift reactor for water treatment by an adsorption and electrochemical regeneration process is developed in this work. Batch experiments are carried out to determine the adsorption kinetics and equilibrium isotherm of adsorption Acid Violet 17 onto the GIC adsorbent. The experimental kinetic data are analyzed using the pseudo-first order, pseudo-second order, intra-particle diffusion and three-stage kinetic models. The linear pseudo-second order model offers the highest r2 correlation coefficient. The experimental isotherm data are analyzed using Langmuir, Freundlich and Tempkin isotherm models. The non-linear Langmuir model gives the highest r2 correlation coefficient. High regeneration efficiency (more than 90%) over a number of cycles is obtained by passing a charge of 6.4 C g-1 of the GIC adsorbent, at a current density of 5 mA cm-2 using a batch, sequential adsorption (60 min) and electrochemical regeneration (30 min) process. The simultaneous adsorption and regeneration process indicates that 100 % AV 17 can be removed in 60 min (4L of 100 mg L-1 AV 17 solution, 140g of the GIC adsorbent, current density of 5mA cm-2). The flow behaviour in the electrochemical reactor has been studied using a pulse tracer technique. The residence time distribution shows that the flow behaviour in the liquid-spouted reactor can be regarded as a plug flow in series with a continuous stirred tank reactor. For the batch adsorption system, a “parallel adsorption barren well hypothesis” is proposed in this thesis. For the batch simultaneous adsorption and electrochemical regeneration system, a multi-parameter model is proposed in this thesis.
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Sabino, Neide Silva Coelho [UNESP]. "Monitoramento e avaliação dos ovos férteis de avestruz submetidos à incubação artificial." Universidade Estadual Paulista (UNESP), 2009. http://hdl.handle.net/11449/94684.
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A desidratação dos ovos de avestruz (Struthio camelus) na incubação artificial é a principal causa do desenvolvimento e qualidade do filhote. Neste estudo, a necessidade de avaliar e manejar os ovos durante a incubação, tornou-se evidente. No incubatório das instalações do Setor Experimental de Zootecnia (SEZ) – UNESP/Araçatuba-SP, foram utilizados 129 ovos férteis eclodidos e 70 ovos férteis não eclodidos para a avaliação da perda de água aos 38 dias; as características da casca, a porosidade e a espessura foram confrontadas à perda total de água do ovo. Observou-se uma diferença na perda total de água para ovos férteis eclodidos (15,45%) e ovos férteis não eclodidos (10,45%). Foram estudados 1303 ovos férteis eclodidos quanto ao posicionamento na incubadora e à desidratação. Para a obtenção dos resultados, a incubadora foi estratificada em 7 prateleiras, 8 gavetas e 3 profundidades. Verificou-se uma perda maior de água por evaporação, quando os ovos estavam localizados nas gavetas próximas ao aquecedor e à entrada de ar desumidificado. Porém, não foram detectadas alterações provocadas pela altura da prateleira ou mesmo pela proximidade dos ovos em relação à porta ou ao fundo da incubadora. Desta forma, concluiu-se que a avaliação e o manejo dos ovos de avestruz na incubação artificial devem fazer parte do controle diário do incubatório.
The dehydration of eggs of ostrich (Struthio camelus) in the artificial incubation is the main cause of the development and quality of the youngling. In this study, the necessity to evaluate and to handling eggs during the incubation, became evident. In the room incubation of the installations of the Experimental Zootechny Sector (EZS) - UNESP/Araçatuba- São Paulo, Brazil, 129 ecloded fertile eggs and 70 fertile not ecloded eggs was been followed for the evaluation of the loss of water to 38 days and samples randomly of rinds was collated the characteristics of the rind, porosity and thickness, to the total loss of water of the egg. A difference observed in the total loss of water for ecloded fertile eggs was (15.45%) and fertile not ecloded eggs was (10.45%). Studied of 1303 ecloded fertile eggs how much to the positioning in the incubator and the dehydration for the attainment of the results, the incubator was subdivided in seven shelves, eight drawers and three depths. A bigger loss for evaporation of eggs was verified, when located in the drawers next to the heater and the dry air entrance. Nevertheless, no effect related to the shelves height was detected, not even when the proximity of the egg to the incubator door or the deep one was concerned. In such a way, one concluded that the evaluation and the handling of eggs of ostrich in the artificial incubation must be part of the daily control of the room incubation.
Books on the topic "Bod development. eng"
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Schmidt, Dieter, and Simon Shorvon. The End of Epilepsy? Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780198725909.001.0001.
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Epilepsy is a common disease of the brain, occurring in roughly 1% of all people, and although repeated epileptic seizures are its clinical hallmark, epilepsy is not just a medical phenomenon, but a social construct, with cultural, political, and financial consequences. People with epilepsy are exposed to stigma and burdened with disadvantages which can be far reaching. There are indeed many remedies, but no cure. This book provides a biography of modern epilepsy in the form of a brief and selective narrative of some of the important developments in medical and social epilepsy research, with its many ups and downs, over the period since 1860. Its anatomy of modern epilepsy in eight chapters is, inevitably in this short book, selective, and intentionally provocative. The book’s main objective is to provide both a survey of the evolution of epilepsy and its treatment in the post-Jacksonian era, and also a critical look at where we are today and how we got there. This book tries to make an effort to separate the wheat from the chaff in the development of better epilepsy care. Good and bad events and concepts of historic consequence are discussed. It is acknowledged that, although the end of epilepsy is in reach of some, there is at present no prescribed scientific path to the end of epilepsy for others. Regardless of the severity of epilepsy, patients, with the support of their physicians and modern medicine, must create their own solutions to the multiple issues they face.
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Rasmussen, Jessica, Angelina F. Gómez, and Sabine Wilhelm. Cognitive-Behavioral Therapy for Body Dysmorphic Disorder. Edited by Katharine A. Phillips. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780190254131.003.0026.
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Cognitive-behavioral therapy (CBT) that is tailored to the unique clinical features of body dysmorphic disorder (BDD) is currently the psychosocial treatment of choice for BDD. Researchers have made great strides in understanding the cognitive-behavioral processes that contribute to the development and maintenance of BDD. CBT for BDD is based on this theoretical understanding and has been shown to be highly effective in reducing BDD symptom severity and associated symptoms. The key components of CBT include identifying and rationally disputing maladaptive appearance-related thoughts, and exposure with response prevention for feared and avoided situations. CBT for BDD also integrates educating the patient on the mental and behavioral processes involved in the BDD experience with mindfulness/perceptual retraining (e.g., techniques aimed at helping patients to view their appearance with a neutral, global, and aware perspective) to augment the therapeutic process. Advanced cognitive strategies are used to address negative core beliefs. Because BDD is typically characterized by poor or absent insight, motivational interviewing is often needed to overcome ambivalence towards treatment.
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Misra, V. Peter, and Santiago Catania. EMG-guided botulinum toxin therapy. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199688395.003.0026.
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This chapter explains the mechanism by which botulinum neurotoxin (BoNT) causes its neuromuscular paralytic effects, and reviews the developments that led these effects to be harnessed therapeutically. It specifically focuses upon the conditions of dystonia and spasticity. Within the spectrum of these diseases, it discusses those situations where BoNT injections are the treatment of choice. The very accurate targeting of BoNT into specific muscles in many situations is both desirable and crucial in some situations BoNT’s therapeutic neuroparalytic effect may need to be restricted to a single muscle fascicle.. In some cases, an inaccurately placed injection may be associated with unacceptable side effects. In order to achieve accuracy of BoNT injection delivery, intramuscular injections of BoNT aided by electromyography (EMG) guidance allows the very accurate targeting of specific muscles. The practical aspects related to the preparation of BoNT for injection and the methodology and techniques for injecting using EMG guidance are discussed. The importance of good anatomical knowledge and the relevant EMG techniques to target individual muscles are highlighted and applied to injection of muscles in different body areas. Finally, certain diagnostic neurophysiological tests, which may be useful for the management of some neurological conditions that are treated by BoNT are briefly discussed.
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Ferlie, Ewan, Kathleen Montgomery, and Anne Reff Pedersen, eds. The Oxford Handbook of Health Care Management. Oxford University Press, 2016. http://dx.doi.org/10.1093/oxfordhb/9780198705109.001.0001.
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The Handbook provides an authoritative overview of current issues and debates in the field of health care management. It contains over twenty chapters from well known and eminent academic authors internationally who were carefully selected for their expertise and asked to provide a broad and critical overview of developments in their particular topic area. The development of an international perspective and body of knowledge is a key feature of the book. The Handbook secondly makes a case for bringing back a social science perspective into the study of the field of health care management. It therefore contains a number of contrasting and theoretically orientated chapters (e.g. on institutionalism; critical management studies). This social science based approach is a refreshing alternative to much existing work in this domain and offers a good way into current academic debates in this field. The Handbook thirdly explores a variety of important policy and organizational developments apparent within the current health care field (e.g. new organizational forms; growth of management consulting in health care organizations). It therefore explores and comments on major contemporary trends apparent in the practice field .
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Timcke, Scott. Algorithms and the End of Politics. Policy Press, 2021. http://dx.doi.org/10.1332/policypress/9781529215311.001.0001.
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As the United States contends with issues of populism and de-democratization, this book considers the impacts of digital technologies on the country's politics and society. The book provides a Marxist analysis of the rise of digital media, social networks and technology giants like Amazon, Apple, Facebook and Microsoft. It looks at the impact of these new platforms and technologies on their users who have made them among the most valuable firms in the world. The book is concerned with unfreedom and class rule in contemporary American capitalism as seen in the digital realm. Class struggle is the first and last force shaping developments in communication. The book looks at the response of the ruling class to an organic crisis in the United States, and it traces how digital media instruments are used by different factions within the capitalist ruling class to capture and maintain the commanding heights of the American social structure. The book moves on to examine the role of data and whiteness in American social life. It traces the evolving intersection of capital, security and technology to examine the broad trajectory of unfreedom. The book concludes that digital society requires significant restructuring if it is to facilitate greater democratization. Offering bold, new thinking across data politics and digital and economic sociology, this is a powerful demonstration of how algorithms have come to shape everyday life and political legitimacy in the United States and beyond.
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Fojas, Camilla. Border Absurd. University of Illinois Press, 2017. http://dx.doi.org/10.5406/illinois/9780252040924.003.0002.
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The postcrisis flattening of the social order spurred a flurry of anxiety-ridden stories of extralegal endeavors to maintain a middle-class lifestyle against further ruin. Ruin and personal devastation put the white protagonists of Arrested Development, Weeds, and Breaking Bad at the limits of the United States in proximity to the U.S.-Mexican border where crossing over is the final stop on their personal freefall. The border is the end of the line. The southern frontier offers ready symbols for the end of capitalism, signified as a geographical limit. Capitalism reaches its limit when it no longer serves white supremacy, when whiteness loses its value as capital and needs new forms for survival.
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Emerich, Monica M. Healing the Self to Heal the World. University of Illinois Press, 2017. http://dx.doi.org/10.5406/illinois/9780252036422.003.0003.
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This chapter examines how LOHAS salvages its “New Age” focus on self-development or actualization. It examines the Mind Cure, New Thought, and New Age movements in terms of their relationship to capitalism to show how LOHAS extends and expands these movements through the LOHAS category of Personal Development (also referred to as the Mind/Body/Spirit market). In Personal Development goods and services, physical and spiritual self-healing reflects a moral pragmatism by linking self-healing work with that of healing the world. Threaded through the LOHAS discourse is a popular American theme—the power of positive thinking—and this healing modality is put to use in so-called the quantum spiritualities, the latest incarnation of the American therapeutic tradition. The end of the chapter shows how the LOHAS texts use examples of healed selves as testimonials to show that it is indeed possible for individuals to transform themselves to social warriors.
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Duncan, Dustin T., and Ichiro Kawachi. Neighborhoods and Health. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780190843496.003.0001.
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A large body of research in epidemiology and population health has investigated relationships between neighborhood characteristics (e.g., crime rate, density of fast food restaurants, distance to parks) and a myriad of health outcomes (e.g., obesity, mental health, substance use), with an explosion of research within the last decade, which spans a variety of disciplines, for example, anthropology, sociology, criminology, geography, demography, urban planning, medicine and epidemiology. This chapter provides a historical perspective to neighborhood health research. In addition, this chapter provides a systematic survey of new and notable developments in the field of neighborhoods and health as well as provides directions for future research. It also describes the motivation and rationale for this book and guides the reader through the structure of the rest of the book.
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Authority, Boston Redevelopment. South end urban renewal area, shawmut avenue, Upton to east berkeley streets: services for design, contract documentation, bid preparation and resident engineering: request for proposals. 1988.
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Dixon, Sharon. Principles of biomechanics and their use in the analysis of injuries and technique. Oxford University Press, 2013. http://dx.doi.org/10.1093/med/9780199533909.003.0008.
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Biomechanics, defined literally, is the mechanics of living systems. Human biomechanics involves the study of mechanical aspects of human movement. It is the science studying the internal and external forces experienced by the human and the effects of such forces. Nigg and Herzog (2007) highlight that forces may result in movement of body segments, deformation of biological materials, or biological changes in the tissue(s) on which they act. Thus biomechanics can involve the study of human movement and factors that affect this movement, deformation of biological structures and factors that influence this, and the biological effects of locally acting forces on living tissue (e.g. effects on growth development or injuries)....
Book chapters on the topic "Bod development. eng"
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Tanaka, H., K. Hirayanagi, and T. Furukawa. "Orthogonal Expansion of Epicardial and Body Surface ECG Potentials." In Developments in Cardiovascular Medicine, 197–201. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4303-2_26.
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Uijen, G. J. H., A. Heringa, and R. Th van Dam. "Do Body Surface Maps Contain more Information than the ECG?" In Developments in Cardiovascular Medicine, 209–14. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4303-2_28.
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Macchi, E., P. Barone, P. Ciarlini, D. Dotti, B. M. Horacek, P. Macinnis, B. Taccardi, and G. Vescovini. "Continuous Digital Recording of 240 ECG Leads for Body Surface Potential Mapping." In Developments in Cardiovascular Medicine, 133–44. Dordrecht: Springer Netherlands, 1986. http://dx.doi.org/10.1007/978-94-009-4303-2_18.
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Champion, Jean-Louis, and Madeleine Coutanceau. "Development of the Near Wake Structure on a Cantilevered Circular Cylinder with a Free-End." In Bluff-Body Wakes, Dynamics and Instabilities, 43–46. Berlin, Heidelberg: Springer Berlin Heidelberg, 1993. http://dx.doi.org/10.1007/978-3-662-00414-2_10.
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Millitzer, Jonathan, Jan Hansmann, Giovanni Lapiccirella, Christoph Tamm, and Sven Herold. "Tuning and Emulation of Mechanical Characteristics – Tunable Mounts and a Mechanical Hardware-in-the-Loop Approach for More Efficient Research and Testing." In Lecture Notes in Mechanical Engineering, 129–44. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-77256-7_12.
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AbstractNumerical simulations offer a wide range of benefits, therefore they are widely used in research and development. One of the biggest benefits is the possibility of automated parameter variation. This allow testing different scenarios in a very short period of time. Nevertheless, physical experiments in the laboratory or on a test rig are still necessary and will still be necessary in the future. The physical experiments offer benefits e.g. for very complex and/or nonlinear systems and are needed for the validation of numerical models.Fraunhofer LBF has developed hardware solutions to bring the benefit of rapid and automated parameter variation to experimental environments. These solutions allow the tuning and emulation of the mechanical properties, like stiffness, damping and eigenfrequencies of structures.The work presents two approaches: First a stiffness tunable mount, which has been used in laboratory tests in the field of semi-active load path redistribution. It allowed the researcher to test the semi-active system under different mechanical boundary conditions in a short period of time. Second, a mechanical Hardware-in-the-loop (mHIL) approach for the NVH development of vehicles components is presented. Here a mHIL-system is used to emulate the mechanical characteristics of a vehicle’s body in white in a wide frequency range. This allows the experimental NVH optimization of vehicle components under realistic boundary conditions, without actually needing a (prototype) body in white.
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Gagnon, Jason. "Moving Out of Bad Jobs." In Development Centre Studies, 115–42. OECD, 2009. http://dx.doi.org/10.1787/9789264059245-7-en.
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"The Intrinsic Difficulty of Distinguishing Between Good and Bad Policies." In Development Centre Studies, 47–53. OECD, 2009. http://dx.doi.org/10.1787/9789264075528-7-en.
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Burnett, Margaret. "End-User Software Engineering and Why It Matters." In End-User Computing, Development, and Software Engineering, 185–201. IGI Global, 2012. http://dx.doi.org/10.4018/978-1-4666-0140-6.ch009.
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End-user programming has become ubiquitous; so much so that there are more end-user programmers today than there are professional programmers. End-user programming empowers—but to do what? Make bad decisions based on bad programs? Enter software engineering’s focus on quality. Considering software quality is necessary, because there is ample evidence that the programs end users create are filled with expensive errors. In this paper, we consider what happens when we add considerations of software quality to end-user programming environments, going beyond the “create a program” aspect of end-user programming. We describe a philosophy of software engineering for end users, and then survey several projects in this area. A basic premise is that end-user software engineering can only succeed to the extent that it respects that the user probably has little expertise or even interest in software engineering.
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Parrington, John. "Growth and Development." In Mind Shift, 92–106. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780198801634.003.0007.
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This chapter assesses the linked processes of brain growth and development. Each human life begins with the union of a sperm and an egg. Embryogenesis is the process by which the fertilized egg divides repeatedly to produce the 37 trillion cells that make up a person. But embryo development is about far more than just this dramatic increase in cell number. It also involves the formation of all the specialised cell types of the body, and their organization into tissues and organs. Initially, the embryo is just a ball of cells called a blastocyst. But then a dramatic transformation takes place called gastrulation, which is a key event in the formation of a human being. While these are the gross structural changes underlying brain development, equally important are the cellular changes. The development of the human brain occurs at such a rapid rate that a newborn baby’s brain has almost the same number of neurons as that of an adult. However, brain growth continues after birth due to the creation of new glial cells and connections between neurons.
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Pachana, Nancy A. "2. Physical and biological aspects of ageing." In Ageing: A Very Short Introduction, 22–44. Oxford University Press, 2016. http://dx.doi.org/10.1093/actrade/9780198725329.003.0002.
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‘Physical and biological aspects of ageing’ considers influences on longevity and the physical disorders commonly experienced at the end of life. It describes primary and secondary ageing and different biological theories of ageing—error and programme theories. Error theories (e.g. wear and tear theory, free radical theory, and somatic DNA damage theory) postulate that ageing and death are the result of environmental damage to the body over time. Programme theories (e.g. endocrine theory, immunological theory, and genetic theory (programmed longevity)) postulate that lifelong growth and development is genetically programmed to follow a pre-determined timeline. The ageing brain and body, and disease trajectories later in life are also considered.
Conference papers on the topic "Bod development. eng"
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Sancaktar, Cansu, Marcel A. J. van Gerven, and Pablo Lanillos. "End-to-End Pixel-Based Deep Active Inference for Body Perception and Action." In 2020 Joint IEEE 10th International Conference on Development and Learning and Epigenetic Robotics (ICDL-EpiRob). IEEE, 2020. http://dx.doi.org/10.1109/icdl-epirob48136.2020.9278105.
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MÜLLER, Miroslav. "RESEARCH ON MECHANICAL PROPERTIES OF SINGLE-COMPONENT EPOXY DESIGNED FOR BONDING OF STRUCTURAL JOINTS." In Rural Development 2015. Aleksandras Stulginskis University, 2015. http://dx.doi.org/10.15544/rd.2015.007.
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An adhesive bonding technology is among the basic methods of bonding. However, it is limited by several factors, e.g. a treatment of bonded surface. Structural adhesives are chemicals. It follows that there are significant differences in the mechanical properties among particular types. The aim of the research was to evaluate the mechanical properties of single-component epoxy adhesives used in the transportation industry. The effect of a surface treatment of the steel surface on bond strength was also evaluated. The tested sets were mutually compared using Anova F-test from the point of view of the influence on mechanical properties (the tensile strength of adhesives, the elongation of adhesives, the adhesive bond tensile lap-shear strength, the elongation of the adhesive bond, the impact strength and hardness). The results confirm the assumption about the different behaviour of one-component epoxy. An important part of the experiment was to evaluate the influence of the surface treatment on the bond strength. From the result of experiments it can be concluded that the adhesive SP492 (p = 0.1898) and B5103-3 (p = 0.4263) are resistant to different types of tested treatment of the bonding surface.
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Sawatari, Yusuke, Daisuke Anzai, and Jianqing Wang. "Development of wealable ECG based on human body communication technology." In 2018 IEEE International Symposium on Electromagnetic Compatibility and 2018 IEEE Asia-Pacific Symposium on Electromagnetic Compatibility (EMC/APEMC). IEEE, 2018. http://dx.doi.org/10.1109/isemc.2018.8394067.
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Righettini, Paolo, and Alberto Oldani. "Real-Time Multi-Body Software for HIL Simulations." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-38791.
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The Hardware in the Loop simulation is an useful instrument to simulate complex mechanical systems in which the subject of the test is an hardware component. The results of the simulation, closer to the real behavior of the system, are the main advantage of this approach. This application is often used during the design process to test components of a complex mechanical system before the development of the prototype (e.g. embedded systems). The literature examples show, in general, mathematical model finalized to the application. The objective of this work is focused on the development of a generic Multi-Body software for HIL applications. Some simulations examples, the dynamic of a slider-crank and of a McPherson suspension, are presented at the end of the paper.
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Baltazar, J., A. Yarian, and Arturo Pacheco-Vega. "DEVELOPMENT OF P- PD- AND PID-FUZZY SISO CONTROLLERS OF A SUB-SCALED MULTI-ROOM BUILDING TEST-BED." In 3rd Thermal and Fluids Engineering Conference (TFEC). Connecticut: Begellhouse, 2018. http://dx.doi.org/10.1615/tfec2018.env.021805.
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Pehr, Stefan, Daniel Zollitsch, Jorg Guttler, and Thomas Bock. "Development of a Non-Contact ECG Application Unobtrusively Embedded into a Bed." In 2019 IEEE Sensors Applications Symposium (SAS). IEEE, 2019. http://dx.doi.org/10.1109/sas.2019.8706012.
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Nayak, S. K., D. Biswal, B. Champaty, K. Pal, A. Anis, B. Mohapatra, and D. N. Tibarewala. "Development of a simultaneous acquisition system for ECG, PCG and body temperature signals." In 2015 Annual IEEE India Conference (INDICON). IEEE, 2015. http://dx.doi.org/10.1109/indicon.2015.7443633.
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De Angelis, Alessio, Satyam Dwivedi, and Peter Handel. "Development of a radio front end for a UWB ranging embedded test bed." In 2012 IEEE International Conference on Ultra-Wideband (ICUWB2012). IEEE, 2012. http://dx.doi.org/10.1109/icuwb.2012.6340474.
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Arnold, Matthew L., Robert J. Peterman, Naga Narendra B. Bodapati, B. Terry Beck, and Chih-Hang (John) Wu. "Development of a Standard Bond Test for Indented Prestressing Wires." In 2013 Joint Rail Conference. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/jrc2013-2461.
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An experimental testing program was conducted at Kansas State University (KSU) to test the bond characteristics of various 5.32 mm-diameter, Grade 270 low-relaxation steel wires used in prestressed concrete railroad ties. This un-tensioned pullout test could serve as a quality control test similar to the NASP (North American Strand Producers) Strand Bond Test that has been developed for pre-tensioned strands. A total of twelve (12) wires produced by six different steel manufacturers were used to develop the wire pullout test. All of the wires were tested in their “as-received” condition and have different indent geometries. It is generally accepted that indentations in the wire improve the bond between the steel and concrete. However, there are currently no commonly accepted quality control tests that accurately predict a wire’s bond characteristics in a pre-tensioned application. The un-tensioned pullout test developed is comparable to the NASP [Strand] Bond Test. The specimens consist of a 4 in. (100 mm) outer-diameter tube with a total length of 8 in. (200 mm) and a steel plate welded to the bottom. The 5.32 mm-diameter wire was centered in the tube and the sand-cement mortar was placed and allowed to cure. The flow of the mortar was measured for consistency and 2” × 2” (50 mm × 50 mm) mortar cubes were used to determine the compressive strength of the mortar. The specimens were tested when the compressive strength of the mortar was between 4500 and 5000 psi (31.0 MPa and 34.5 MPa). Each batch of mortar contained 12 pullout specimens; one with each wire type. Each wire was tested six times leading to a total of six batches and a total of 72 mortar specimens. During testing, the wires were loaded in force control at the bottom, while continuously monitoring and recording the movement (slip) of the wire with respect to the mortar at the opposite (top) end. The force verses end-slip data of the six tests for each wire type were numerically combined to obtain the average bond performance. These average results from the un-tensioned pullout tests were then compared to transfer length measurements from accompanying pre-tensioned concrete prisms. In general, the wire end slip measurements from the pullout tests were found to have good correlation with the measured transfer length. For all 12 wires, a coefficient of determination (R2) of 0.872 was found between the average pullout force (at 0.10-inch (2.54 mm) of wire free-end slip) and average transfer length measurements from the accompanying concrete prism tests. However, when only the indented wires were considered, the R2 increased to 0.913.
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Faravelli, Tiziano, Alessio Frassoldati, Eliseo Ranzi, Francesco Miccio, and Michele Miccio. "Modeling Homogeneous Combustion in Bubbling Beds Burning Liquid Fuels." In 17th International Conference on Fluidized Bed Combustion. ASMEDC, 2003. http://dx.doi.org/10.1115/fbc2003-133.
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This paper presents a first implementation of a model for the description of homogeneous combustion of different fuels in fluidized bed combustors (FBC) at temperatures lower than the classical value for solid fuels, i.e. 850°C. Model construction is based on a key feature of the bubbling fluidized bed: a fuel-rich (endogenous) bubble is generated at the fuel injection point, travels inside the bed at constant pressure and undergoes chemical conversion in presence of mass transfer with the emulsion phase and of coalescence with air (exogenous) bubbles formed at the distributor and, possibly, with other endogenous bubbles. The model couples a fluid-dynamic sub-model based on the two phases theory of fluidization with a sub-model of gas phase oxidation. To this end, model development takes full advantage of a detailed chemical kinetics scheme, which includes both the low and high temperature mechanisms of hydrocarbon oxidation and accounts for about 200 molecular and radical species involved in more than 5000 reactions. Simple hypotheses are made to set-up and close mass balances of the various species as well as enthalpy balances in the bed. First, conversion and oxidation of gaseous fuels (e.g. methane) have been calculated as a test case for the model; then, n-dodecane has been taken into consideration to simply represent a diesel fuel by means of a pure hydrocarbon. Model predictions qualitatively agree with some evidences coming from experimental data reported in the literature. The fate of hydrocarbon species is extremely sensitive to temperature changes and oxygen availability in the rising bubble. A preliminary model validation has been attempted against the results of experiments carried out on a pre-pilot, bubbling combustor fired with underbed injection of a diesel fuel. In particular, model results confirm the trends that the heat release either in the bed or in the freeboard experimentally shows as a function of bed temperature. At lower emulsion phase temperatures many combustible species leave unburned the bed, post-combustion occurs past the bed and freeboard temperature considerably increases; as it is well known, this is an undesirable feature from the viewpoints of practical application and emission control.
Reports on the topic "Bod development. eng"
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Lehtimaki, Susanna, Kassim Nishtar, Aisling Reidy, Sara Darehshori, Andrew Painter, and Nina Schwalbe. Independent Review and Investigation Mechanisms to Prevent Future Pandemics: A Proposed Way Forward. United Nations University International Institute for Global Health, May 2021. http://dx.doi.org/10.37941/pb-f/2021/2.
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Based on the proposal by the European Council, more than 25 heads of state and the World Health Organization (WHO) support development of an international treaty on pandemics, that planned to be negotiated under the auspices of WHO, will be presented to the World Health Assembly in May 2021. Given that the treaty alone is not enough to ensure compliance, triggers for a high-level political response is required. To this end, to inform the design of a support system, we explored institutional mechanismsi with a mandate to review compliance with key international agreements in their signatory countries and conduct independent country investigations in a manner that manages sovereign considerations. Based on our review, there is no single global mechanism that could serve as a model in its own right. There is, however, potential to combine aspects of existing mechanisms to support a strong, enforceable treaty. These aspects include: • Periodic review - based on the model of human rights treaties, with independent experts as the authorized monitoring body to ensure the independence. If made obligatory, the review could support compliance with the treaty. • On-site investigations - based on the model by the Committee on Prevention of Torture according to which visits cannot be blocked by state parties. • Non-negotiable design principles - including accountability; independence; transparency and data sharing; speed; emphasis on capabilities; and incentives. • Technical support - WHO can provide countries with technical assistance, tools, monitoring, and assessment to enhance emergency preparedness and response.
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DeJaeghere, Joan, Bich-Hang Duong, and Vu Dao. Teaching Practices That Support and Promote Learning: Qualitative Evidence from High and Low Performing Classes in Vietnam. Research on Improving Systems of Education (RISE), January 2021. http://dx.doi.org/10.35489/bsg-rise-ri_2021/024.
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This Insight Note contributes to the growing body of knowledge on teaching practices that foster student learning and achievement by analysing in-depth qualitative data from classroom observations and teacher interviews. Much of the research on teachers and teaching in development literature focuses on observable and quantified factors, including qualifications and training. But simply being qualified (with a university degree in education or subject areas), or trained in certain ways (e.g., coaching versus in-service) explains very little of the variation in learning outcomes (Kane and Staiger, 2008; Wößmann, 2003; Das and Bau, 2020). Teaching is a complex set of practices that draw on teachers’ beliefs about learning, their prior experiences, their content and pedagogical knowledge and repertoire, and their commitment and personality. Recent research in the educational development literature has turned to examining teaching practices, including content knowledge, pedagogical practices, and teacher-student interactions, primarily through quantitative data from knowledge tests and classroom observations of practices (see Bruns, De Gregorio and Taut, 2016; Filmer, Molina and Wane, 2020; Glewwe et al, in progress). Other studies, such as TIMSS, the OECD and a few World Bank studies have used classroom videos to further explain high inference factors of teachers’ (Gallimore and Hiebert, 2000; Tomáš and Seidel, 2013). In this Note, we ask the question: What are the teaching practices that support and foster high levels of learning? Vietnam is a useful case to examine because student learning outcomes based on international tests are high, and most students pass the basic learning levels (Dang, Glewwe, Lee and Vu, 2020). But considerable variation exists between learning outcomes, particularly at the secondary level, where high achieving students will continue to upper-secondary and lower achieving students will drop out at Grade 9 (Dang and Glewwe, 2018). So what differentiates teaching for those who achieve these high learning outcomes and those who don’t? Some characteristics of teachers, such as qualifications and professional commitment, do not vary greatly because most Vietnamese teachers meet the national standards in terms of qualifications (have a college degree) and have a high level of professionalism (Glewwe et al., in progress). Other factors that influence teaching, such as using lesson plans and teaching the national curriculum, are also highly regulated. Therefore, to explain how teaching might affect student learning outcomes, it is important to examine more closely teachers’ practices in the classroom.
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Sheridan, Anne. Annual report on migration and asylum 2016: Ireland. ESRI, November 2017. http://dx.doi.org/10.26504/sustat65.
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The Annual Report on Migration and Asylum 2016 provides an overview of trends, policy developments and significant debates in the area of asylum and migration during 2016 in Ireland. Some important developments in 2016 included: The International Protection Act 2015 was commenced throughout 2016. The single application procedure under the Act came into operation from 31 December 2016. The International Protection Office (IPO) replaced the Office of the Refugee Applications Commissioner (ORAC) from 31 December 2016. The first instance appeals body, the International Protection Appeals Tribunal (IPAT), replacing the Refugee Appeals Tribunal (RAT), was established on 31 December 2016. An online appointments system for all registrations at the Registration Office in Dublin was introduced. An electronic Employment Permits Online System (EPOS) was introduced. The Irish Short Stay Visa Waiver Programme was extended for a further five years to October 2021. The Second National Action Plan to Prevent and Combat Human Trafficking was published. 2016 was the first full year of implementation of the Irish Refugee Protection Programme (IRPP). A total of 240 persons were relocated to Ireland from Greece under the relocation strand of the programme and 356 persons were resettled to Ireland. Following an Oireachtas motion, the Government agreed to allocate up to 200 places to unaccompanied minors who had been living in the former migrant camp in Calais and who expressed a wish to come to Ireland. This figure is included in the overall total under the IRPP. Ireland and Jordan were appointed as co-facilitators in February 2016 to conduct preparatory negotiations for the UN high level Summit for Refugees and Migrants. The New York Declaration, of September 2016, sets out plans to start negotiations for a global compact for safe, orderly and regular migration and a global compact for refugees to be adopted in 2018. Key figures for 2016: There were approximately 115,000 non-EEA nationals with permission to remain in Ireland in 2016 compared to 114,000 at the end of 2015. Net inward migration for non-EU nationals is estimated to be 15,700. The number of newly arriving immigrants increased year-on-year to 84,600 at April 2017 from 82,300 at end April 2016. Non-EU nationals represented 34.8 per cent of this total at end April 2017. A total of 104,572 visas, both long stay and short stay, were issued in 2016. Approximately 4,127 persons were refused entry to Ireland at the external borders. Of these, 396 were subsequently admitted to pursue a protection application. 428 persons were returned from Ireland as part of forced return measures, with 187 availing of voluntary return, of which 143 were assisted by the International Organization for Migration Assisted Voluntary Return Programme. There were 532 permissions of leave to remain granted under section 3 of the Immigration Act 1999 during 2016. A total of 2,244 applications for refugee status were received in 2016, a drop of 32 per cent from 2015 (3,276). 641 subsidiary protection cases were processed and 431 new applications for subsidiary protection were submitted. 358 applications for family reunification in respect of recognised refugees were received. A total of 95 alleged trafficking victims were identified, compared with 78 in 2015.
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Cooper, Christopher, Jacob McDonald, and Eric Starkey. Wadeable stream habitat monitoring at Congaree National Park: 2018 baseline report. National Park Service, June 2021. http://dx.doi.org/10.36967/nrr-2286621.
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The Southeast Coast Network (SECN) Wadeable Stream Habitat Monitoring Protocol collects data to give park resource managers insight into the status of and trends in stream and near-channel habitat conditions (McDonald et al. 2018a). Wadeable stream monitoring is currently implemented at the five SECN inland parks with wadeable streams. These parks include Horseshoe Bend National Military Park (HOBE), Kennesaw Mountain National Battlefield Park (KEMO), Ocmulgee Mounds National Historical Park (OCMU), Chattahoochee River National Recreation Area (CHAT), and Congaree National Park (CONG). Streams at Congaree National Park chosen for monitoring were specifically targeted for management interest (e.g., upstream development and land use change, visitor use of streams as canoe trails, and potential social walking trail erosion) or to provide a context for similar-sized stream(s) within the park or network (McDonald and Starkey 2018a). The objectives of the SECN wadeable stream habitat monitoring protocol are to: Determine status of upstream watershed characteristics (basin morphology) and trends in land cover that may affect stream habitat, Determine the status of and trends in benthic and near-channel habitat in selected wadeable stream reaches (e.g., bed sediment, geomorphic channel units, and large woody debris), Determine the status of and trends in cross-sectional morphology, longitudinal gradient, and sinuosity of selected wadeable stream reaches. Between June 11 and 14, 2018, data were collected at Congaree National Park to characterize the in-stream and near-channel habitat within stream reaches on Cedar Creek (CONG001, CONG002, and CONG003) and McKenzie Creek (CONG004). These data, along with the analysis of remotely sensed geographic information system (GIS) data, are presented in this report to describe and compare the watershed-, reach-, and transect-scale characteristics of these four stream reaches to each other and to selected similar-sized stream reaches at Ocmulgee Mounds National Historical Park, Kennesaw Mountain National Battlefield Park, and Chattahoochee National Recreation Area. Surveyed stream reaches at Congaree NP were compared to those previously surveyed in other parks in order to provide regional context and aid in interpretation of results. edar Creek’s watershed (CONG001, CONG002, and CONG003) drains nearly 200 square kilometers (77.22 square miles [mi2]) of the Congaree River Valley Terrace complex and upper Coastal Plain to the north of the park (Shelley 2007a, 2007b). Cedar Creek’s watershed has low slope and is covered mainly by forests and grasslands. Cedar Creek is designated an “Outstanding Resource Water” by the state of South Carolina (S.C. Code Regs. 61–68 [2014] and S.C. Code Regs. 61–69 [2012]) from the boundary of the park downstream to Wise Lake. Cedar Creek ‘upstream’ (CONG001) is located just downstream (south) of the park’s Bannister Bridge canoe landing, which is located off Old Bluff Road and south of the confluence with Meyers Creek. Cedar Creek ‘middle’ and Cedar Creek ‘downstream’ (CONG002 and CONG003, respectively) are located downstream of Cedar Creek ‘upstream’ where Cedar Creek flows into the relatively flat backswamp of the Congaree River flood plain. Based on the geomorphic and land cover characteristics of the watershed, monitored reaches on Cedar Creek are likely to flood often and drain slowly. Flooding is more likely at Cedar Creek ‘middle’ and Cedar Creek ‘downstream’ than at Cedar Creek ‘upstream.’ This is due to the higher (relative to CONG001) connectivity between the channels of the lower reaches and their out-of-channel areas. Based on bed sediment characteristics, the heterogeneity of geomorphic channel units (GCUs) within each reach, and the abundance of large woody debris (LWD), in-stream habitat within each of the surveyed reaches on Cedar Creek (CONG001–003) was classified as ‘fair to good.’ Although, there is extensive evidence of animal activity...