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Littérature scientifique sur le sujet « ZOI »

Auteur : Grafiati

Publié le 4 juin 2021

Mis à jour le 2 février 2022

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Articles de revues sur le sujet "ZOI"

Karpiński, Tomasz M., et Artur Adamczak. « Fucoxanthin—An Antibacterial Carotenoid ». Antioxidants 8, n^o 8 (24 juillet 2019) : 239. http://dx.doi.org/10.3390/antiox8080239.

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Fucoxanthin is a carotenoid produced by brown algae and diatoms. This compound has several biological properties such as antioxidant, anti-obesity, anti-diabetic, anticancer, and antimicrobial activities. Unfortunately, until now the latter effect has been poorly confirmed. The aim of this study was an evaluation of fucoxanthin activity against 20 bacterial species. Antimicrobial effect of fucoxanthin was determined by using the agar disc-diffusion and micro-dilution methods. The studied carotenoid acted against 13 bacteria growing in aerobic conditions. It was observed to have a significantly stronger impact on Gram-positive than Gram-negative bacteria. Mean zones of growth inhibition (ZOIs) for Gram-positive bacteria ranged between 9.0 and 12.2 mm, while for Gram-negative were from 7.2 to 10.2 mm. According to the agar disc-diffusion method, the highest activity of fucoxanthin was exhibited against Streptococcus agalactiae (mean ZOI 12.2 mm), Staphylococcus epidermidis (mean ZOI 11.2 mm), and Staphylococcus aureus (mean ZOI 11.0 mm), and in the microdilution test towards Streptococcus agalactiae with the minimal inhibitory concentration (MIC) of 62.5 µg/mL. On the other hand, fucoxanthin was not active against strict anaerobic bacteria.

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Et al., Hussein. « The Antibacterial, Antiheamolytic, and Antioxidant Activities of Laurus nobilis and Alhagi maurorum Native to Iraq. » Baghdad Science Journal 16, n^o 3(Suppl.) (22 septembre 2019) : 0707. http://dx.doi.org/10.21123/bsj.2019.16.3(suppl.).0707.

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Ethanolic crude extracts of leaves from Laurus nobilis and Alhagi maurorumfor were screened for alkaloids, saponins, tannins, anthraquinones, steroids, flavonoids, glycosides, and glucosides contents. Biochemical activities, including antibacterial activity, antioxidant, and antihemolytic activity, were investigated. Antibacterial activity against Three types of pathogenic bacteria was detected by disc diffusion analysis and characterized by zone of inhibition (ZOI). Antioxidant properties were determined by a diphenyl-1- picrylhydrazyl (DPPH) method. Results revealed that the inhibitory activity of the plants against G+ve and G-ve bacteria were different, where the greatest ZOI of Alhagi maurorum against Staphylococcus aureus was 12.66 mm, while its effect against Pseudomonas aeruginosa generated an 8.33 mm ZOI, with no did not effects on Escherichia coli. Extract of Laurus nobilis against Escherichia coli with a ZOI reached to 10.33 mm, but did not significantly influence the growth of Staphylococcus aureus and Pseudomonas aeruginosa. When the plant extracts were mixed in equal quantities, the percentage of the effect were increased, where the greatest effect of the mixed observed in E. coli was a 16.66mm ZOI, and in Staphylococcus aureus to 15.66mm. In Pseudomonas aeruginosa the ZOI reached to a 12.33 mm. This is referred to as synergistic effect between these plants against pathogenic bacteria. The extracts did not have any toxic effects on human red blood cells.

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Baral, Bikash, Geeta Shrestha Vaidya et Nabin Bhattarai. « Bioactivity and biochemical analysis of water hyacinth (Eichhornia crassipes) ». Botanica Orientalis : Journal of Plant Science 8 (2 mars 2012) : 33–39. http://dx.doi.org/10.3126/botor.v8i0.5556.

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Water hyacinth (Eichhornia crassipes) is an invasive aquatic weed causing serious threats to water ecosystems throughout the world. Recently, considerable attention has been given at harvesting the plant for practical uses. An experiment on the bioactivity of water hyacinth was conducted using the soxhlet extraction (hot method) and cold percolation method in chloroform and ethanol in order to evaluate the antimicrobial properties of the plant. Plant samples were also analyzed for the presence of major pharmacologically active compounds. The antimicrobial assay was performed using well diffusion method against nine different clinical bacterial strains and six phytopathogenic fungal strains. The chloroform hot extract showed activity against 22.22% (Zone of Inhibition, ZOI < 13mm) bacteria and 66.66% (ZOI < 12mm) fungi; while the cold extract showed activity against 50% (ZOI < 13mm) fungi, but no activity against bacteria. Similarly, the ethanol hot extract showed activity against 77.77% (ZOI < 19mm) bacteria and 66.66% (ZOI < 20mm) fungi, while the cold extract showed activity against 77.77% (ZOI < 10mm) bacteria and 50% (ZOI < 14mm) fungi. The ethanolic hot and cold extract proved to be far better than the chloroform fraction showing more antibacterial activity, while they share the same value and possess same effectiveness against the different fungi. Chemical analysis indicated that the major components in these extracts were saponins, polyoses, alkaloid salts, and reducing compounds. The present study showed that the devastating aquatic weed, with strong antimicrobial potentials and presence of biologically active phytochemicals, may be useful for developing alternative compounds to treat infectious diseases caused by bacterial and fungal pathogens. doi: http://dx.doi.org/10.3126/botor.v8i0.5556 Botanica Orientalis – Journal of Plant Science (2011) 8: 33-39

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Cui, Xihong, Zhenxian Quan, Xuehong Chen, Zheng Zhang, Junxiong Zhou, Xinbo Liu, Jin Chen, Xin Cao et Li Guo. « GPR-Based Automatic Identification of Root Zones of Influence Using HDBSCAN ». Remote Sensing 13, n^o 6 (23 mars 2021) : 1227. http://dx.doi.org/10.3390/rs13061227.

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The belowground root zone of influence (ZOI) is fundamental to the study of the root–root and root–soil interaction mechanisms of plants and is vital for understanding changes in plant community compositions and ecosystem processes. However, traditional root research methods have a limited capacity to measure the actual ZOIs within plant communities without destroying them in the process. This study has developed a new approach to determining the ZOIs within natural plant communities. First, ground-penetrating radar (GPR), a non-invasive near-surface geophysical tool, was used to obtain a dataset of the actual spatial distribution of the coarse root system in a shrub quadrat. Second, the root dataset was automatically clustered and analyzed using the hierarchical density-based spatial clustering of applications with noise (HDBSCAN) algorithm to determine the ZOIs of different plants. Finally, the shape, size, and other characteristics of each ZOI were extracted based on the clustering results. The proposed method was validated using GPR-obtained root data collected in two field shrub plots and one simulation on a dataset from existing literature. The results show that the shrubs within the studied community exhibited either segregated and aggregated ZOIs, and the two types of ZOIs were distinctly in terms of shape and size, demonstrating the complexity of root growth in response to changes in the surrounding environment. The ZOIs extracted based on GPR survey data were highly consistent with the actual growth pattern of shrub roots and can thus be used to reveal the spatial competition strategies of plant roots responding to changes in the soil environment and the influence of neighboring plants.

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Baniya, Amina, Sushma Singh, Minu Singh, Pragya Nepal, Mahesh Adhikari, Sagar Aryal et Anurag Adhikari. « Isolation and Screening of Antibiotics Producing Streptomyces spp from the Soil Collected around the Root of Alnus nepalensis from Godawari ». Nepal Journal of Biotechnology 6, n^o 1 (15 janvier 2019) : 46–56. http://dx.doi.org/10.3126/njb.v6i1.22337.

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Actinomycetes are considered as the most invaluable prokaryotes whose genome mining show a great number of putative secondary metabolite biosynthesis pathways as well as gene clusters ranging from 20 to 50 per genome. The genus Streptomyces has been explored for its ability to produce 60% antibiotics worldwide. Alnus nepalensis (Alder) has been found to harbor diverse Eubacteria in its rhizosphere. To evaluate the antibiotic production potential from Actinomycetes, we collected soil samples from rhizosphere (5-7 cm deep) of Alder tree. Primary screening was done by cross-streak method against Multidrug Resistant (MDR) such as Methicillin resistant Staphylococcus auereus (MRSA), Vancomycin resistant Enterococcus feacalis (VRE), Imepenem resistant Acinetobacterbaumannii, Vancomycin resistant Klebsiella pneumonia and Imepenem resistant E. coli as well as Non-MDRs (E. coli, Bacillus subtilis, Klebsiella pneumoniae, S. aeureu and Enterococcus feacalis). Extraction of antibiotics was done using rota-vapour from extract obtained by solid-substrate fermentation technique followed by solvent extraction. Secondary screening was done using well diffusion assay against MDRs. Among total of 40 isolates of Actinomycetes recovered, 14 showed remarkable zone of inhibition (ZOI) to various MDRs. NASA 303 showed 26 mm of ZOI against VRE, NASA 101 had ZOI of 34 mm against MRSA, NASA 319 had 33.7 mm ZOI against Imepenem resistant E. coli, NASA 306 had 36 mm of ZOI against Vancomycin resistant Klebsiella pneumoniae, and NASA 108 showed ZOI of 29.6 mm against Imepenem resistant E. faecalis. This investigation revealed that the Actinomycetes found in Rhizosphere of Alder tree had MDR killing potent antibiotics, which needs to be further explored.

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Shresta, Shrimita, Sudip Bhandari, Babita Aryal, Bishnu P. Marasini, Santosh Khanal, Pramod Poudel, Binod Rayamajhee, Bikash Adhikari, Bibek Raj Bhattarai et Niranjan Parajuli. « Evaluation of Phytochemical, Antioxidant and Antibacterial Activities of Selected Medicinal Plants ». Nepal Journal of Biotechnology 9, n^o 1 (31 juillet 2021) : 50–62. http://dx.doi.org/10.3126/njb.v9i1.38667.

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Medicinal plants are important reservoirs of bioactive compounds that need to be explored systematically. Because of their chemical diversity, natural products provide limitless possibilities for new drug discovery. This study aimed to investigate the biochemical properties of crude extracts from fifteen Nepalese medicinal plants. The total phenolic contents (TPC), total flavonoid contents (TFC), and antioxidant activity were evaluated through a colorimetric approach while the antibacterial activities were studied through the measurement of the zone of inhibition (ZoI) by agar well diffusion method along with minimum inhibitory concentrations (MIC) by broth dilution method. The methanolic extracts of Acacia catechu and Eupoterium adenophorum showed the highest TPC (55.21 ± 11.09 mg GAE/gm) and TFC (10.23 ± 1.07 mg QE/gm) among the studied plant extracts. Acacia catechu showed effective antioxidant properties with an IC50 value of 1.3 μg/mL, followed by extracts of Myrica esculenta, Syzygium cumini, and Mangifera indica. Morus australis exhibited antibacterial activity against Klebsiella pneumoniae (ZoI: 25mm, MIC: 0.012 mg/mL), Staphylococcus aureus ATCC 25923 (ZoI: 22 mm, MIC: 0.012 mg/mL), Pseudomonas aeruginosa (ZoI; 20 mm, MIC: 0.05 mg/mL), and methicillin-resistant Staphylococcus aureus (MRSA) (ZoI: 19 mm, MIC: 0.19 mg/mL). Morus australis extract showed a broad-spectrum antibacterial activity, followed by Eclipta prostrata, and Hypericum cordifolium. Future study is recommended to explore secondary metabolites of those medicinal plants to uncover further clinical efficacy.

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Joshi, Sunil Kumar, Deepak Kumar Semwal, Ankit Kumar et Ashutosh Chauhan. « Antimicrobial activity of the water-soluble ash extract from the invasive weed Parthenium hysterophorus L. » CURRENT MEDICAL AND DRUG RESEARCH 4, n^o 02 (25 septembre 2020) : 1–6. http://dx.doi.org/10.53517/cmdr.2581-5008.422020208.

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Parthenium hysterophorus L., also known as congress grass or carrot grass, is a widely distributed invasive weed which is a big challenge for sustainable agriculture. For the past several years, a number of attempts have been made to evaluate its medicinal properties. The present study aimed to evaluate the antimicrobial activity of the water-soluble ash extract of P. hysterophorus against different bacterial and fungal pathogens. The disc diffusion method was used to measure zone of inhibition (ZOI) whereas broth microdilution method was used to evaluate minimum inhibitory concentration (MIC) of the extract. The extract was found most effective against Staphylococcus aureus with a ZOI value of 33.5 mm at 33 mg/mL concentration when compared with ofloxacin (ZOI = 39.5 mm at 5 μg/disc). The extract was also found active against Salmonella enterica, Staphylococcus epidermidis and Escherichia coli with ZOI values of 25.5, 32.5 and 25.5 mm, respectively. The present study revealed that the ash extract of P. hysterophorus has potential to inhibit various bacterial species. However, the tested fungal pathogens like Candida albicans were found unaffected after treating with the ash extract.

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Wu, Jiawen, Yinshan Yang, Jiahai Zhang, Peng Ji, Wenjing Du, Peng Jiang, Dinghai Xie et al. « Domain-swapped Dimerization of the Second PDZ Domain of ZO2 May Provide a Structural Basis for the Polymerization of Claudins ». Journal of Biological Chemistry 282, n^o 49 (25 septembre 2007) : 35988–99. http://dx.doi.org/10.1074/jbc.m703826200.

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Zonula occludens proteins (ZOs), including ZO1/2/3, are tight junction-associated proteins. Each of them contains three PDZ domains. It has been demonstrated that ZO1 can form either homodimers or heterodimers with ZO2 or ZO3 through the second PDZ domain. However, the underlying structural basis is not well understood. In this study, the solution structure of the second PDZ domain of ZO2 (ZO2-PDZ2) was determined using NMR spectroscopy. The results revealed a novel dimerization mode for PDZ domains via three-dimensional domain swapping, which can be generalized to homodimers of ZO1-PDZ2 or ZO3-PDZ2 and heterodimers of ZO1-PDZ2/ZO2-PDZ2 or ZO1-PDZ2/ZO3-PDZ2 due to high conservation between PDZ2 domains in ZO proteins. Furthermore, GST pulldown experiments and immunoprecipitation studies demonstrated that interactions between ZO1-PDZ2 and ZO2-PDZ2 and their self-associations indeed exist both in vitro and in vivo. Chemical cross-linking and dynamic laser light scattering experiments revealed that both ZO1-PDZ2 and ZO2-PDZ2 can form oligomers in solution. This PDZ domain-mediated oligomerization of ZOs may provide a structural basis for the polymerization of claudins, namely the formation of tight junctions.

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Hu, Li Ming, Heng Zhen Lee, Jian Wang et Jian Ting Du. « Centrifuge Modeling and Numerical Simulation of Air Sparging Process ». Advanced Materials Research 378-379 (octobre 2011) : 445–48. http://dx.doi.org/10.4028/www.scientific.net/amr.378-379.445.

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Air sparging (AS) is one of the in-situ groundwater remediation techniques for remediating volatile organic compounds (VOCs) contaminated soil, and the knowledge of air flow features is essential in designing air sparging system for soil remediation. The centrifuge modeling technique was employed to simulate the in-situ conditions and to investigate air follow characteristics during air sparging by using glass beads as soils. Several centrifugal modeling tests were performed under various g-levels. According to the test results, the zone of influence (ZOI) during air sparging is in a truncated-cone shape under various g-levels, which can be expressed by the lateral expansion around the air injection point and the cone angle between the vertical axis and the boundary of ZOI. A 2D numerical model is used to model the air movement during air sparging process. The ZOI and the water saturation distribution were obtained. The results agree well with the centrifuge test data, which indicates the two phase flow model is reasonable to simulate the air sparging process. It was also shown that air compressibility and buoyant force have a significant influence on the extent of ZOI and should be adequately considered. Hence centrifuge modeling and numerical simulation can be used as a design tool for in-situ air sparging system

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Wang, Jian, et Li Ming Hu. « Numerical Simulation of Air Flow during Air Sparging Remediation ». Applied Mechanics and Materials 138-139 (novembre 2011) : 27–32. http://dx.doi.org/10.4028/www.scientific.net/amm.138-139.27.

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A 2D numerical model is used to modeling the movement of air during air sparging process for groundwater remediation. The zone of influence (ZOI) and the water saturation distribution can be obtained from the calculations. The results agree well with the centrifuge test data, indicating the two-phase flow model is reasonable for numerical simulation of air sparging process. It was also shown that air compressibility has a significant influence on the extent of ZOI.

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Thèses sur le sujet "ZOI"

Mukhopadhyay, Shraddha. « Comparison of existing ZOI estimation methods with different model specifications and data ». Thesis, Högskolan Dalarna, Mikrodataanalys, 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:du-34397.

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With the increasing demand and interest in wind power worldwide, it is interesting to study the effects of running windfarms on the activity of reindeers and estimate the associated Zone of Influence (ZOI) relative to these disturbances. Through simulation, Hierarchical Likelihood (HL) and adaptive Lasso methods are used to estimate the ZOI of windfarms and catching the correct threshold at which the negative effect of the disturbances on the reindeer behaviour disappears. The results found some merit to the explanation that the negative effect may not disappear abruptly and more merit to the fact that a linear model was still a better choice than the smooth polynomial models used. A real-life data related to reindeer faecal pellet counts from an area in northern Sweden were windfarms were running were analyzed. The yearly time series data was divided into three periods : before construction, during construction and during operation of the windfarms. Logistic regression, segmented model, and HL methods were implemented for data analysis by using covariates as distance from wind turbine, vegetation type, the interaction between distance to wind turbine and time period. A significant breakpoint could be estimated using the segmented model at a distance of 2.8 km from running windfarm, after which the negative effects of the windfarm on the reindeer activity disappeared. However, further work is needed for estimation of ZOI using HL method and considering other possible factors causing disturbances to the reindeer habitat and behaviour.

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Kardari, Zoi [Verfasser], et Peter [Akademischer Betreuer] Proff. « Mandibular and condylar movements in children and adults - a trial on kinematic parameters and their association with individual characteristics / Zoi Kardari. Betreuer : Peter Proff ». Regensburg : Universitätsbibliothek Regensburg, 2011. http://d-nb.info/1022872494/34.

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Paschalidi, Zoi [Verfasser], Hendrik [Akademischer Betreuer] Elbern et Andreas [Akademischer Betreuer] Wahner. « Inverse modelling for the tropospheric chemical state estimation by 4-dimensional variational data assimilation from routinely and campaign platforms / Zoi Paschalidi. Gutachter : Hendrik Elbern ; Andreas Wahner ». Köln : Universitäts- und Stadtbibliothek Köln, 2015. http://d-nb.info/1084872595/34.

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Cheng, Pui-wah. « Intellectuals in late Yuan and early Ming Yuan Ming zhi ji zhi shi fen zi / ». Click to view the E-thesis via HKUTO, 1985. http://sunzi.lib.hku.hk/hkuto/record/B31948492.

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Wei, Chengsi. « Gong chan dang Zhongguo zhi shi fen zi de gong ju hua Shanghai zhi shi fen zi qun ti de she hui xue yan jiu : 1949-1978 / ». online access from Digital dissertation consortium, 2001. http://libweb.cityu.edu.hk/cgi-bin/er/db/ddcdiss.pl?3025927.

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Silva, Sara Isabel Poças Fernandes da. « Estudo geoquímico de metabasitos da ZOM e da ZCI aflorantes na região Centro-Norte de Portugal ». Master's thesis, Universidade de Aveiro, 2007. http://hdl.handle.net/10773/2692.

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As rochas anfibolíticas aflorantes na região de Ovar-Espinho (ZOM), consideradas de idade precâmbrica, pertencentes à Série Negra, encontramse intercaladas em filádios da zona do cloritóide (xistos anfibolíticos) e em migmatitos (anfibolitos). As rochas anfibolíticas que afloram na região de Oliveira de Azeméis (ZCI) são anfibolitos, considerados como pertencentes ao Complexo Xisto-Grauváquico Ante-Ordovícico. Todas as amostras de rochas anfibolíticas estudadas foram, tal como as rochas metassedimentares adjacentes, afectadas de metamorfismo e de deformação Varisca. O estudo das associações mineralógicas metamórficas destas rochas confirma que estas foram metamorfizadas em condições das fácies epídoto-anfibolítica (xistos anfibolíticos de Ovar-Espinho) e anfibolítica. A determinação dos protólitos baseada em dados de campo e/ou petrográficos não é possível dada a obliteração de características originais pelo processo de deformação e metamorfismo. Somente algumas amostras na fácies epídotoanfibolítica preservam texturas possíveis de serem interpretadas como texturas ígneas relíquia. O estudo geoquímico realizado permite reconhecer que todos os protólitos dos metabasitos seriam ígneos, de composição basáltica e basáltica-andesítica de carácter toleítico e representariam líquidos de composição afectada por processos de diferenciação magmática. Do ponto de vista geoquímico, os metabasitos de Ovar-Espinho são classificados em três grupos, atendendo aos diferentes tipos de perfis de REE e multielementares e às informações dadas pelos diagramas discriminantes. O grupo 1 está unicamente representado pelos protólitos de algumas amostras de xistos anfibolíticos e relaciona-se com uma fonte empobrecida tipo MORBN. O grupo 3 tem carácter oposto ao do grupo 1 destacando-se pelo enriquecimento global dos teores de elementos incompatíveis, enriquecimento mais pronunciado em Th, La, Ce, e na razão Th/U e pelas anomalias negativas em Nb e Ti. O grupo 2 apresenta características transicionais entre as que caracterizam os grupos 1 e 3. O enriquecimento que caracteriza o grupo 3 é similar ao dos basaltos de margens destrutivas nos diagramas discriminantes em que se utiliza o Th mas não é reconhecido nos diagramas discriminantes em que se considera a fO2 ou a ausência de empobrecimento em elementos incompatíveis característicos de magmas orogénicos. O quimismo é compatível com o efeito produzido por contaminação de basaltos astenosféricos com rochas ácidas ou com crosta superior em resultado da assimilação do encaixante durante a ascensão dos magmas. A variabilidade composicional dos metabasitos de Ovar-Espinho é interpretada como reflectindo o processo combinado de cristalização fraccionada e contaminação por material crustal. Assim, os metabasitos de Ovar-Espinho são interpretados como sendo cogenéticos, anorogénicos e correspondentes a toleítos continentais. A análise preliminar comparativa do quimismo dos metabasitos de Ovar- Espinho e de outros da ZOM e pertencentes à Série Negra, apresentados na bibliografia, permite concluir que os mesmos efeitos produzidos por contaminação crustal em magmas básicos empobrecidos de carácter toleítico estariam também representados. Os mesmos efeitos geoquímicos podem, de acordo com os dados bibliográficos e análise de amostras, não estar representados em metabasitos da região de Oliveira de Azeméis e do Caramulo, que são considerados como sendo do Paleozóico. A aplicação do método 39Ar/40Ar em anfíbola de um anfibolito originou uma idade plateau de 309,8 ± 3,6 Ma, sendo esta considerada uma idade Varisca. Aplicando o método 87Rb/86Sr, em concentrados de plagioclase, anfíbola e em rocha total da mesma amostra, obteve-se uma pseudo-isócrona de 166 ± 14 Ma. Recalculando os dados para 310 Ma (assumindo como a idade do metamorfismo Varisco) conclui-se a existência de desequilíbrio isotópico há época do metamorfismo e que há data da recristalização metamórfica a plagioclase e anfíbola tinham composições isotópicas diferentes, reflectindo provavelmente heterogeneidade isotópica dos materiais de onde derivaram. ABSTRACT: The amphibolitic rocks outcropping in Ovar-Espinho region (OMZ), considered of precambrian age, belonging to the “Série Negra”, are interlayed in phylites from the chloritoid zone (amphibolitic schists) and in migmatites (amphibolites). The amphibolitic rocks that occur in the Oliveira de Azeméis region (CIZ), are amphibolites considered to be part of the “Complexo Xisto-Grauváquico Ante- Ordovícico”. All amphibolitic rock samples studied were, as the adjacent metapelitic rocks, affected by metamorphism and by Variscan deformation. The study of metamorphic mineralogical associations of these rocks confirms that they were metamorphized in conditions of epidote-amphibolitic (Ovar-Espinho amphibolitic schists) and amphibolitic facies. The determination of the protolith based in field and/or petrographic data it’s not possible due to the obliteration of original characteristics from the deformation process and metamorphism. Only some samples in the epidote-amphibolitic facies preserve textures that can be interpreted as relict igneous textures. The geochemical study allows recognizing that all protolith metabasites would be igneous, from basaltic and basaltic-andesitic composition of tholeiitic character and would represent liquids of composition affected by magmatic differentiation processes. From the geochemical point of view, the Ovar-Espinho metabasites are classified in three groups, having in account the different types of REE and multi-element patterns and the information given by the discrimination diagrams. The group 1 is only represented by the protolith of some samples of amphibolitic schists and is related with a N-MORB type depleted source. The group 3 has an opposite character to group 1 highlighted by the global enrichment of the incompatible elements contents, an enrichment more accentuated in Th, La, Ce, and in the ratio Th/U and by the negative anomalies in Nb and Ti. The group 2 has transitional characteristics between the ones of the group 1 and 3. The enrichment that characterizes the group 3 is similar to the one of the basalts of destructive margins in the discrimination diagrams where the Th is used. However it is not recognized in the discrimination diagrams where is considered the fO2 or the absence of depletion in incompatible elements characteristics of orogenic magma. The geochemical characteristics are compatible with the effect produced by basalts astenospheric contamination with acidic rocks or with the upper crust, in result of country rock assimilation during the magma ascension. The compositional variability of the Ovar-Espinho metabasites is interpreted as reflecting the combined process of fractionated crystallization and contamination by crustal material. Therefore, the Ovar-Espinho metabasites are interpreted as being cogenetics, anorogenics and corresponding to continental tholeiites. The preliminary comparative analysis of the geochemical data of the Ovar- Espinho metabasites and others from the OMZ, belonging to the “Série Negra”, referred in the literature, allow to conclude that the same effects produced by crustal contamination in basic magmas depleted of tholeiitic character would be also represented. The same geochemical effects can, according to the literature data and samples analysis, are not represented in metabasites of the Oliveira de Azeméis and Caramulo region, that are considered to be from the Paleozoic. The application of the 39Ar/40Ar method in the amphibole of an amphibolite resulted in a plateau age of 309,8 ± 3,6 My, being considered from Variscan age. The 87Rb/86Sr mineral isopote data of plagioclase, amphibole and whole rock of the same sample define a pseudoisochron of 166 ± 14 My. Recalculating the data to 310 My (assuming as the age the Variscan metamorphism) it was concluded the existence of a isotopic disequilibrium at the time of the metamorphism and that at the time of the metamorphic recrystallization the plagioclase and amphibole had different isotopic compositions, reflecting probably the isotopic heterogeneity of the material from which they derived.

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Ping, Ping. « Cong "da er quan" de zu zhi dao zi chan zhuan yong xing de zu zhi Guangzhou yi jia ji qi zhi zao ye guo you qi ye de zu zhi bian qian / ». online access from ProQuest databases, 2002. http://libweb.cityu.edu.hk/cgi-bin/er/db/pqdiss.pl?3052138.

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Zou, Zhi Verfasser], Ulrich [Akademischer Betreuer] [Schwaneberg et Andrij [Akademischer Betreuer] Pich. « Directed sortase evolution for site-specific protein engineering and surface functionalization / Zhi Zou ; Ulrich Schwaneberg, Andrij Pich ». Aachen : Universitätsbibliothek der RWTH Aachen, 2019. http://d-nb.info/1192308719/34.

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Zou, Zhi [Verfasser], Ulrich [Akademischer Betreuer] Schwaneberg et Andrij [Akademischer Betreuer] Pich. « Directed sortase evolution for site-specific protein engineering and surface functionalization / Zhi Zou ; Ulrich Schwaneberg, Andrij Pich ». Aachen : Universitätsbibliothek der RWTH Aachen, 2019. http://d-nb.info/1192308719/34.

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Lee, Sau-kwan. « The death of Empress Zhangsum and the revolt of Prince Chengqian Changsun huanghou zhi si yu tai zi Chengqian zhi luan / ». Click to view the E-thesis via HKUTO, 1995. http://sunzi.lib.hku.hk/hkuto/record/B31950887.

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Livres sur le sujet "ZOI"

Papaperiklis, Nikos. Hrisi zoi. Athens : Sinhroni Epohi, 1985.

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PARORITIS, Kostas. Apoti zoi tou dilinov. Athens : Syhroni Epohi, 1989.

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NAKOU, Lilika. Yia mia Kenourgia zoi. 6^e éd. Athens : Dorikos, 1987.

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Carole, Mortimer. Enas erotas, mia zoi. Athens : Harlenik Ellas, 1995.

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Allan, Jeanne. Mia agapi, mia zoi. Athens : Harlenik, 1994.

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Virvos, Kostas. Mid zoi tragoudia : Autoviografia. Athens : Defi, 1985.

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Tsatsos, Konstantinos. I zoi se a postasi. Athens : I Ekdosiston Filon, 1986.

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Pierangelo, Luigi. Gymni zoi ke alla diigimata. Athens : Kastaniotis, 1985.

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Knight, India. I Zoi Mou S'ena Piato. Athens : Psichogios, 2001.

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Dimopoulos, Georgios I. Apo tin zoi ton Agiou. Athens : O sotir, 1986.

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Chapitres de livres sur le sujet "ZOI"

Neufert, Peter. « Zoo ». Dans Bauentwurfslehre, 487–89. Wiesbaden : Vieweg+Teubner Verlag, 2002. http://dx.doi.org/10.1007/978-3-322-96980-4_38.

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Fischer, R. X., et W. H. Baur. « ZON ». Dans Zeolite-Type Crystal Structures and their Chemistry. Framework Type Codes STO to ZON, 302–10. Berlin, Heidelberg : Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-32372-0_27.

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Neufert, Ernst. « Zoo ». Dans Bauentwurfslehre, 456–58. Wiesbaden : Vieweg+Teubner Verlag, 1998. http://dx.doi.org/10.1007/978-3-663-07646-9_38.

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Maple, Terry L. « Zoo ». Dans Encyclopedia of Animal Cognition and Behavior, 1–13. Cham : Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-47829-6_389-1.

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Neufert, Ernst. « Zoo ». Dans Bauentwurfslehre, 472–74. Wiesbaden : Vieweg+Teubner Verlag, 2000. http://dx.doi.org/10.1007/978-3-322-99856-9_38.

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Mills, Brett. « Zoo ». Dans Animals on Television, 113–45. London : Palgrave Macmillan UK, 2017. http://dx.doi.org/10.1057/978-1-137-51683-1_4.

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Neufert, Ernst. « Zoo ». Dans Bauentwurfslehre, 411–13. Wiesbaden : Vieweg+Teubner Verlag, 1992. http://dx.doi.org/10.1007/978-3-322-90624-3_34.

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Devor, Robinson. « Zoo ». Dans 100 American Independent Films, 257–58. London : British Film Institute, 2009. http://dx.doi.org/10.1007/978-1-349-92349-6_101.

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Pérez Suquilvide, Luisa. « Zoe ». Dans Clinical Research in Psychoanalysis, 217–19. London : Routledge, 2021. http://dx.doi.org/10.4324/9781003182870-19.

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Schmitz, Wouter. « Particle Zoo ». Dans Particles, Fields and Forces, 193–200. Cham : Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-12878-4_14.

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Actes de conférences sur le sujet "ZOI"

Reid, John D., et Cale Stolle. « Zone of Intrusion for F-Shape and Single-Slope Concrete Barriers ». Dans ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-62399.

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The Zone of Intrusion (ZOI) is a measurement of the furthest protrusion of a vehicle component behind a permanent concrete barrier during a crash. Often, roadside objects or structures, such as luminaire poles or trees, are located within or near the ZOI of a barrier, posing a risk to the occupants of impacting vehicles. Due to the high costs of full-scale crash testing it is not practical to test for the ZOI of every size and shape of barrier. As an alternative, non-linear finite element simulation was used to develop ZOI guidelines for the 40-inch tall F-shape parapet and the 9.1-degree single-slope parapet (at heights of 36, 42 and 56 inches). Results showed a minimum ZOI of 0 inches for the 56-inch tall barrier and a maximum ZOI of 9 inches for the 36-inch one. The amount of vehicle structure overhanging the barriers was limited to the front corner of the hood, and under certain conditions, small portions of the fender. Tire friction, tire deflation, suspension component failures and combinations of those vehicle behaviors had little influence on the ZOI.

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Bamberger, Judith Ann, Carl W. Enderlin et S. Tzemos. « Air Sparging for Mixing Non-Newtonian Slurries ». Dans ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-40833.

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The mechanics of air sparger systems have been primarily investigated for aqueous-based Newtonian fluids. Tilton et al. (1982) [1] describes the fluid mechanics of air sparging systems in non-Newtonian fluids as having two primary flow regions. A center region surrounding the sparger, referred to as the region of bubbles (ROB), contains upward flow due to the buoyant driving force of the rising bubbles. In an annular region, outside the ROB, referred to as the zone of influence (ZOI), the fluid flow is reversed and is opposed to the direction of bubble rise. Outside the ZOI the fluid is unaffected by the air sparger system. The flow regime in the ROB is often turbulent, and the flow regime in the ZOI is laminar; the flow regime outside the ZOI is quiescent. Tests conducted with shear thinning non-Newtonian fluid in a 34-in. diameter tank showed that the ROB forms an approximately inverted cone that is the envelop of the bubble trajectories. The depth to which the air bubbles reach below the sparger nozzle is a linear function of the air-flow rate. The recirculation time through the ZOI was found to vary proportionally with the inverse square of the sparging air-flow rate. Visual observations of the ROB were made in both water and Carbopol®. The bubbles released from the sparge tube in Carbopol® were larger than those in water.

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Singh, Kamaljit, Saurabh Baghmar, Jagdish Sharma, M. V. Khemchandani et Q. J. Wang. « Boundary Lubrication and Its Stability ». Dans STLE/ASME 2008 International Joint Tribology Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/ijtc2008-71211.

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The interaction between lubricant molecules and the solid surface to be lubricated depends upon the surface forces which can be attractive, and repulsive. It thus forms an interactive zone above the solid surface having a band width and height of surface potential and is considered as ‘Zone of Influence’-(ZOI). Its value will vary with the nature of surface finish, distribution of alloying constituents on surface matrix and its size which play very important role in prediction of stability and failure of boundary lubrication friction including absorption and desorption of lubricant molecules. A theoretical model for the formation of boundary lubrication is proposed by combining Lennard Jones (6–12) potential to incorporate for estimating the critical temperature of boundary lubricant, friction coefficient and variation of ZOI for a given condition. Experimental values using EN 31 Ball sliding against the aluminum surface with 0.4% stearic acid as lubricant data agrees well with theoretical values.

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Shirai, Koji, Tsukasa Miyagi, Mikimasa Iwata, Koji Tasaka et Junghoon Ji. « Demonstrative HEAF (High Energy Arcing Fault) Fire Tests of High and Low Voltage Switchgears of Nuclear Power Plants ». Dans 2018 26th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/icone26-82177.

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High Energy Arcing Faults (HEAF) have the potential to cause extensive damage to the failed electrical components and distribution systems along with adjacent equipment and cables within the zone of influence (ZOI). Furthermore, the significant energy released during HEAF event can act as an ignition source to other components within the area of the HEAF. In Japan, during the Great East Japan Earthquake occurred in 2011, the seismic induced HEAF fire event, which induced the whole damage of the multiple high voltage switchgears, was observed in Onagawa Nuclear Power Plant (NPP). In response, in August 2017, the NRA (Nuclear Regular Authority) in Japan amended the safety requirement for the power supply to consider the influence of the successive fire due to the HEAF event (hereinafter HEAF fire event). Therefore, it is urgently necessary to establish the design criteria to prevent the HEAF fire event, and enhance the experiment data of the HEAF fire event. In order to estimate the total arc energy during the HEAF event and obtain the threshold value to prevent the HEAF fire for the existed non-arc proof electrical cabinets, several series of three-phase internal arc tests with high (6.9kV class) and low (480V class) voltage electrical cabinets were executed. We executed internal arc tests with full scale high/low voltage metal-enclosed switchgear components (non-arc proof type, copper bus conductor), and evaluated arc energy, the mechanical damage of the cabinet and the surrounding equipment due to the impulsive pressure and the possibility of successive fire occurrence. In case of high voltage switchgear, when the arcing energy exceeded 25.3MJ, successive fire was identified. Especially, in the case where the arc flash was discharged in the circuit breaker room, a 2-second arcing duration in a three-phase short-circuit current with 18.9kA (measured arcing energy over 40MJ) caused successive fire which required extinguishment. On the other hand, in case of low voltage power center, when the arcing energy exceeded 19MJ, successive fire was identified. According to these demonstrative tests, this paper presents the evaluation method to estimate total arc discharge energy during the HEAF event for high and low voltage electrical cabinets.

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Iskra, Kamil, John W. Romein, Kazutomo Yoshii et Pete Beckman. « ZOID ». Dans the 13th ACM SIGPLAN Symposium. New York, New York, USA : ACM Press, 2008. http://dx.doi.org/10.1145/1345206.1345230.

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Ioannidis, Yannis E., Miron Livny, Anastassia Ailamaki, Anand Narayanan et Andrew Therber. « Zoo ». Dans the 1997 ACM SIGMOD international conference. New York, New York, USA : ACM Press, 1997. http://dx.doi.org/10.1145/253260.253415.

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Barros Pontes, Francini. « Zoe ». Dans TRANS-IN-CORPORADOS : CONSTRUINDO REDES PARA A INTERNACIONALIZAÇÃO DA PESQUISA EM DANÇA. Rio de Janeiro - RJ e Campinas - SP, Brazil : LABCRÍTICA e Galoá, 2017. http://dx.doi.org/10.17648/trans-2017-90406.

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Lane, Nicholas D., Petko Georgiev, Cecilia Mascolo et Ying Gao. « ZOE ». Dans MobiSys'15 : The 13th Annual International Conference on Mobile Systems, Applications, and Services. New York, NY, USA : ACM, 2015. http://dx.doi.org/10.1145/2742647.2742672.

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Chen, Pin-Yu, Huan Zhang, Yash Sharma, Jinfeng Yi et Cho-Jui Hsieh. « ZOO ». Dans CCS '17 : 2017 ACM SIGSAC Conference on Computer and Communications Security. New York, NY, USA : ACM, 2017. http://dx.doi.org/10.1145/3128572.3140448.

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Windihastuty, Wiwin, et Muhammad Irsan. « Explorers Zoo ». Dans the 5th International Conference. New York, New York, USA : ACM Press, 2017. http://dx.doi.org/10.1145/3029387.3029408.

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Rapports d'organisations sur le sujet "ZOI"

Heckman, James. Contributions of Zvi Griliches. Cambridge, MA : National Bureau of Economic Research, juin 2006. http://dx.doi.org/10.3386/w12318.

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Hoang Pham. Bronx Zoo Fuel Cell Project. Office of Scientific and Technical Information (OSTI), septembre 2007. http://dx.doi.org/10.2172/940761.

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Klasson, KT. Energy Production from Zoo Animal Wastes. Office of Scientific and Technical Information (OSTI), avril 2003. http://dx.doi.org/10.2172/885878.

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Feng, Guanhao, Stefano Giglio et Dacheng Xiu. Taming the Factor Zoo : A Test of New Factors. Cambridge, MA : National Bureau of Economic Research, janvier 2019. http://dx.doi.org/10.3386/w25481.

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van der Voort, Marcel, et Jan Rinze van der Schoot. Literatuurstudie vegetatie onderzonnepanelen op dijken : project Zon op dijken. Lelystad : Stichting Wageningen Research, Wageningen Plant Research, Business unit Open Teelten, 2020. http://dx.doi.org/10.18174/532549.

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Gronau, Reuben. Zvi Griliches' Contribution to the Theory of Human Capital. Cambridge, MA : National Bureau of Economic Research, novembre 2003. http://dx.doi.org/10.3386/w10081.

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Schop, Jessica, André Meijboom et Sophie Brasseur. MSC ZOE : mogelijke effecten van de verloren containers op zeehonden. Den Helder : Wageningen Marine Research, 2020. http://dx.doi.org/10.18174/521148.

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Baptist, M. J., S. M. J. M. Brasseur, E. M. Foekema, J. A. van Franeker, S. Kuhn et M. F. Leopold. Mogelijke ecologische gevolgen containerramp MSC Zoe voor Waddenzee en Noordzee : een quickscan. Den Helder : Wageningen Marine Research, 2019. http://dx.doi.org/10.18174/473406.

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Jeffers, Jack A. The ZOG/VINSON Technology Demonstration Project : CV Shipboard Management Support System Specifications. Fort Belvoir, VA : Defense Technical Information Center, mai 1986. http://dx.doi.org/10.21236/ada169188.

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Foekema, Edwin, Martijn Keur, Liesbeth van der Vlies, Babeth van der Weide et Oliver Bittner. Ecologische effecten van MSC Zoe polystyreen-korrels onderzocht in experimentele marine ecosystemen. Den Helder : Wageningen Marine Research, 2021. http://dx.doi.org/10.18174/543191.

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