Academic literature on the topic 'CANT 78.4'
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Journal articles on the topic "CANT 78.4"
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VORONINA, Y. A., та V. S. KUZMIN. "HE EFFECT OF PROBENECID ON α-1-ADRENOCEPTOR STIMULATION INDUCED PROARRHYTHMIC CONDUCTION IN THE ATRIOVENTRICULAR NODE OF RAT HEART". Vestnik Moskovskogo universiteta. Seria 16. Biologia 78, № 4, 2023 (2024): 258–66. http://dx.doi.org/10.55959/msu0137-0952-16-78-4-7.
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Cardiac tissue contains adrenergic receptors (AR) not only of the beta type, but also of the alpha type (α-AR). Both types of ARs play signifi cant role in regulation of cardiomyocytes electrophysiology in diff erent parts of the heart, including the atrioventricular node (AVN). An augmentation of α1-AR mediated component of adrenergic signaling results in impaired conduction of excitation in the heart and onset of various rhythm disturbances including AVNassociated arrhythmias. The activation of α1-AR facilitates anionic transmembrane transport causing electrophysiological changes in myocytes. Current study is aimed to the investigation of the eff ects of anion/chloride blockade on α1-AR-mediated proarrhythmic alteration of AVN functioning. Functional characteristics of AVN including AVN conduction time, AVN refractoriness and the AVN conduction alterations were examined via recording of surface electrograms in Langendorff -perfused isolated rat heart (Wistar, 250 ± 30 g). Phenylephrine was used as α1-AR agonist. Probenecid demonstrating anion/chloride transmembrane conductance blocking activity was used to modify Phe-induced α1-AR-mediated eff ects in AVN. The activation of α1-AR by Phe results in a signifi cant increase in the duration of AV intervals (N = 10, p < 0.001) and eff ective refractory period (ERP) in the AVN (by 9.8% ± 1.2%, n = 10, p < 0.001). Also, Phe induces AV-blocks of conduction and oscillations in atrioventricular delay (N = 10) at the stimulation rates close to ERP. Probenecid signifi cantly reduces the magnitude of AVD oscillations during non-stationary conduction in the AV node. In addition, probenecid attenuates ERP prolongation caused by Phe (107 ± 4 ms, N = 6) and 114.2 ± 5.35 ms (N = 10) in presence of only Phe and Phe with probenecid, respectively, returning its values toward typical for normal conditions. In conclusion, probenecid maintains physiological mode of AVN conduction when α1-AR are stimulated. This also suggests that chloride ion channels and anion carriers may contribute to the α1-AR-mediated AVN arrhythmias.
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Bakhtiyarova, G. Z., and O. V. Stenkova. "Opportunities for osteopathic correction for treatment infants with refraction disorders." Russian Osteopathic Journal, no. 3-4 (January 17, 2019): 78–86. http://dx.doi.org/10.32885/2220-0975-2018-3-4-78-86.
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Introduction. In paediatric population the prevalence of refraction pathology, including astigmatism of more than 0,75 diopters, exceeds 30 % in average. Visual perception disorder with underlying non-corrected ametropia in children, especially in sensitive period of visual system development, can manifest itself in amblyopia, strabismus, binocular and stereoscopic vision dyspoiesis. Astigmatism of more than 0,75 diopters requires a mandatory correction, even at 1 year age, to provide conditions for the complete vision formation. It is possible that if we try osteopathic methods on astigmatism triggers, it will decrease the astigmatism degree in infants.Goal of research — to explore the opportunities of osteopathic treatment for infants with refraction disorders based on age, and develop recommendations for pediatric ophthalmologists.Materials and methods. 37 infants from 3 to 11 month were divided in two groups. An experimental group consists of 21 infant, and control group consists of 16 infants. Before starting the study, an ophthalmologic and osteopathic examination was done to all infants. «Plusoptix A09» pediatric autorefractometer was used to determine the refraction. Osteopathic treatment for the experimental group included 4–6 sessions with an interval of 7–14 days. The control group did not receive osteopathic treatment, they were just observed. Observation period was 6–12 months.Results. For all the examined children with astigmatism, regional somatic head dysfunctions were determined and characteristic. Regional somatic dysfunction of dura mater was detected in 75– 90,9 % of cases. Regional somatic dysfunctions of the neck were found in 60–75 % of cases. It was found that in experimental group, astigmatism rate was decreased by 2,2 times in infants less than 6 months of life and by 1,4 times in infants older than 6 months due to osteopathic correction of somatic dysfunctions. In control group, no signifi cant changes in astigmatism rate were observed at the end of the observation period. Statistically signifi cant differences with a high confi dence level between the degree of astigmatism severity and somatic dysfunctions of the head and dura mater regions were revealed.Conclusion. Osteopathic treatment should be recommended for infants with astigmatism under 1 year old.
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Komar-Tyomnaya, L. D. "Drought resistance of new varieties and forms of ornamental peach." Pomiculture and small fruits culture in Russia 78 (September 25, 2024): 29–37. http://dx.doi.org/10.31676/2073-4948-2024-78-29-37.
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The drought resistance parameters of 11 new genotypes of ornamental peach were determined for their further breeding and use in ornamental horticulture. These genotypes were hybrids of Prunus mira, P. davidiana, and P. amygdalus with P. persica, as well as P. mira with P. amygdalus. The impact of hydrothermal stress on plants was assessed under the conditions of the Southern Coast of Crimea during 2021-2023 after the maximum manifestation of stress factors. The research was carried out using a fi eld method of visual assessment and laboratory determination of water-holding capacity and restoration of leaf turgor after dehydration. The fi eld assessment of drought resistance of ornamental peach ranged from 3.5 to 4.7 points. Most genotypes retained a good appearance and showed minimal losses of the leaf system. The total water percentage in the leaves of the studied genotypes ranged from 53.3 to 71.7 %. Water defi cit in leaves was signifi cant in some cultivars, fl uctuating within the range of 10.8-33 %. The least signifi cant water defi cit of up to 16.7 % was characteristic of 37.5 % of the genotypes. It was experimentally established that during 4 hours of wilting, the leaves of the studied samples lost from 8.2 to 45.9 % of water. The losses amounted to 14.6-50 % after 8 hours, and 18.5- 57.1 % after 12 hours. The leaf dehydration during 24 hours were almost critical for 60 % of the cultivars, since they lost 38.1-61.5 % of water. The lowest losses (26.2-33 %) were observed in six genotypes. Despite prolonged hydrothermal stress, 62.5 % of varieties and forms demonstrated a very high leaf recovery capacity (80.1-99.2 %). The NP6-5/1, NP6-16/1 hybrids, and the ‘Rozovolikiy’ variety demonstrated the highest water-retaining capacity combined with a high reparative capacity of leaves after dehydration. The NP6-5/1 hybrid was characterized by a combination of the highest drought resistance parameters. In addition, ‘Milashka’, NP6-21/1, NP6-16/3, NP6-2/1 varieties and forms with a high degree of leaf reparation and drought resistance are recommended for further breeding and testing in landscaping
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Golubin, A. A., T. I. Nabatchikova, and S. N. Naumenko. "Automated analysis technology for the transport superstructure heat transfer coeffi cient using a remote server." Vestnik of the Railway Research Institute 78, no. 4 (2019): 227–32. http://dx.doi.org/10.21780/2223-9731-2019-78-4-227-232.
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The main parameter determined in heat engineering tests of heat insulated cars superstructures or the locomotive operator’s cabs is the heat transfer coeffi cient К. The study introduces automated analysis technology for the heat transfer coeffi cient К of enclosure structures of the heat insulated transport means using a remote server. The underlying method provides coeffi cient K of the heat insulated transport means without additional work and time loss for complicated calculations. Personnel of test laboratories involved in heat engineering tests of vehicles possess tools for remotely calculating К, from any point in the world with internet access. To obtain К three controlled parameters measured during the heat engineering tests for 5.5 h including: the difference of the inside and outside temperature of the test object superstructure, total power of the electric heaters and geometric area of the heat transfer surface are sent to the server, after which the user promptly receives the calculated К. The economic effect of introducing the proposed technology for vehicle manufacture is the absence of required tests conducted at the test center; for an operating company — a signifi cant reduction of the idle time of the vehicle at the test center directly affects the loss of profi t. The proposed technology expands the area of operation of the test centers, while calculated К values are offi cially input into the data sheet of the vehicle.
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Efimov, A. E., O. I. Agapova, L. A. Safonova, M. M. Bobrova, and I. I. Agapov. "Three-dimensional analysis of micro- and nanostructure of biomaterials and cells by method of scanning probe nanotomography." Russian Journal of Transplantology and Artificial Organs 19, no. 4 (2018): 78–87. http://dx.doi.org/10.15825/1995-1191-2017-4-78-87.
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Aim: to perform a three-dimensional analysis of micro- and nanosctucture and quantitative morphological parameters of alginate spherical microcarriers and porous regenerated silk macrocarriers modifi ed by microparticles of decellularized rat liver matrix and human hepatoma HepG2 cells adhered to micro- and macro carriers.Materials and methods. Three-dimensional porous matrices made from regenerated silk by salt leaching technique and alginate spherical microcarriers fabricated by encapsulation were vitalized by human hepatome HepG2 cells. Study of three-dimensional structure of cells and micro- and macro carriers was carried out at –120 °С by scanning probe cryonanotomography technique with use of experimental setup combining cryoultramicrotome and scanning probe microscope.Results. Three-dimensional nanotomographical reconstructions of HepG2 cells adhered to macropore wall of regenerated silk macrocarrier and to spherical alginate microcarrier are obtained. Morphological parameters (mean roughness, effective surface area and autocorrelation length) are determined for surfaces of macro and microcarriers and adhered cells. The determined mean roughness of alginate microcarrier surface is 76.4 ± 7.5 nm, while that of surface of macropore wall of regenerated silk macrocarrier is 133.8 ± 16.2 nm. At the same time mean roughness of cells adhered to micro- and macrocarriers are 118.5 ± 9.0 и 158.8 ± 21.6 nm correspondingly. Three-dimensional reconstructions of intracellular compartments with dimensions from 140 to 500 nm are also obtained.Conclusion. Obtained as a result of study quantitative morphology characteristics of surfaces of cell carriers and adhered cells show signifi cant degree of correlation of morphological parameters of cells and their carriers. Use of scanning probe cryonanotomography technique for three-dimensional analysis of structure and characteristics of biomaterials, cells and bio-artifi cial cellular systems enables to improve effi ciency of development of novel cell-engineered constructions with predicted morphological, physical, chemical and biological characteristics for tasks of tissue engineering and regenerative medicine.
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Kodintcev, A. N., N. V. Izmozherova, A. A. Popov, and L. I. Volkova. "Assessment indexes of cognitive status, anxiety and depression in senior women with diff erent severity of frailty." Russian neurological journal 29, no. 1 (2024): 36–45. http://dx.doi.org/10.30629/26587947-2024-29-1-36-45.
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Frailty is a key geriatric syndrome characterized by an age-associated diminution of the physiological reserve and functions of many body systems leading to increased vulnerability of the elderly people to the eff ects of endo- and exogenous factors. The combination of frailty, cognitive impairment, anxiety and depression is a signifi cant clinical predictor for an unfavorable prognosis.Purpose. Identifi cation and study of the relationship of cognitive impairment, anxiety, depression and frailty assessment indexes in female patients over 60 years old, observed on an outpatient basis.Material and methods. The study included 80 women over 60 years old. All participants were divided into 4 groups: non-frail (10 women), pre-frail (44 women), mildly frail (20 women), more-frail (6 women). A comprehensive clinical examination was carried out: Montreal cognitive assessment (MoCA), Mini-Mental State Examination (MMSE), frontal assessment battery (FAB), phonetic association test, semantic association test, Beck anxiety inventory, geriatric depression scale–15 (GDS-15), questionnaire “Age is no barrier”, Frailty index (FI, Hoover et al., 2013).Results. All women in 4 groups did not signifi cantly diff er in age. There was no statistically signifi cant diff erence in the MMSE, FAB data and mild cognitive impairment (MCI) prevalence among the groups. Lower rates of MoCA scale were associated with higher probability of frailty (odds ratio (OR) = 0.78; 95 confi dence interval (CI) CI: 0.63–0.96, p = 0.016). The cut-off level of 26 and lower according MoCA has sensitivity 69% and specifi city 50% to detect of high frailty risk (according FI). Questionnaire “Age is no barrier” has a sensitivity of 86% and a specifi city of 53% to detect prefrailty (score 1–2) and a sensitivity of 69% and a specifi city of 87% to detect the presence of frailty (score ≥ 3) regarding FI. Combined sensitivity of MoCA (≤ 26 score) and questionnaire “Age is no barrier” (≥ 3 score) of 78%, combined specifi city of 69%. Higher rates of Beck anxiety inventory and GDS-15 were associated with frailty (OR = 1.12; 95 CI: 1.02–1.22, p = 0.0134 and OR = 1.39; 95 CI: 1.05–1.84, p = 0.0201, respectively). A higher index of the Beck anxiety inventory was also associated with mild cognitive impairment according MoCA (OR = 1.12; 95% CI: 1.04–1.2, p = 0.003). Arterial hypertension was signifi cantly more common for women with FS (χ2 = 4.23, p = 0.04).Conclusion. There was no signifi cant association between MMSE, FAB, MCI prevalence and the severity of frailty in senior women due to the insuffi cient study power (< 80%). MoCA cut-off ≤ 26 score is associated with higher burden of frailty. The questionnaire «Age is no barrier» is an acceptable screening method for determining the necessity of additional geriatric examination of independently living women over 60 years old. Higher rates of the Beck anxiety inventory, GDS-15, BMI, lower rates of MoCA scale and arterial hypertension are associated with high rates of FS and may be predictors for the frailty progression.
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Filimonova, G. N., N. I. Antonov, and A. A. Emanov. "Osteogenesis and Histostructure of Femoral Muscles When Modeling a Femoral Fracture with Immediate or Delayed Osteosynthesis Using an Interlocking Intramedullary Antegrade Rod." Journal Biomed, no. 2 (June 10, 2020): 78–88. http://dx.doi.org/10.33647/2074-5982-16-2-78-88.
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Interlocked intramedullary osteosynthesis is the most common method for treating femoral shaft fractures. The aim — to reveal specifi c characteristics of the histostructure of canine femoral muscles when healing femoral fractures under osteosynthesis using interlocking intramedullary reinforcement with an antegrade metal rod. Femoral shaft fractures were modelled in 9 mongrel dogs. The fractures were fi xed with an intramedullary rod. In Group I (n=4), osteosynthesis was started immediately after bone injury. In Group II (n=5), osteosynthesis was started 4 days after fracture (delayed osteosynthesis). M. biceps femoris and M. quadriceps femoris were studied. In Group I and Group II, bone healing occurred following 42 and 70 days, respectively. A unifi ed bone marrow cavity and cortical layer had been formed by day 70 and day 100 in Group I and Group II, respectively. The histostructure of M. quadriceps femoris in Group I remained largely unchanged throughout the experiment, while M. biceps femoris underwent the process of structural reorganization on days 42 and 70 of the experiment. The Group of delayed osteosynthesis demonstrated changes in the histostructure of both muscles, including an increased diversity of fi bre diameters, an increased number of nuclei in myocytes, fi brosis of the interstitial space and perimysial arterial vessels. These changes were more pronounced in M. biceps femoris. Three months after injury, the histostructure of the muscles under study, even in the Group of delayed osteosynthesis, had no signifi cant differences and tended to the intact norm. In femoral fractures, the earliest possible fi xation of bone fragments with an inter locking antegrade intramedullary rod is recommended. A complete bone healing in such cases occurs a month earlier than in those with delayed osteosynthesis. The femoral muscles of the anterior group are injured to a lesser extent than those of the posterior group.
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Romasheva, Zh Zh. "Emigration attitudes of young people in the northern and southern regions of Kazakhstan, depending on individual values." Minbar. Islamic Studies 14, no. 3 (2021): 703–30. http://dx.doi.org/10.31162/2618-9569-2021-14-3-703-730.
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The relevance of the problem is caused with the lack of comparative studies on the problem of emigration attitudes and their predictors in the context of the cultural characteristics of Kazakhstan regions. The article analyzes the research conducted, the purpose of which was to compare the severity of emigration attitudes determined by the individual values of Kazakhs depending on the region of residence, and the following hypotheses are put forward: 1. The degree of expressing emigration attitudes among the Kazakh youth from the northern regions is higher compared to the same of the southern regions; 2. The meta-values of Preservation and Self-overcoming are more signifi cant for the young people of Southern Kazakhstan (in comparison with Northern Kazakhstan); 3. The emigration attitudes of the youth in Northern Kazakhstan are associated with the meta-values of Willingness to change and Self-affi rmation; 4. The emigration attitudes of the youth of Southern Kazakhstan are associated with the metavalues of Preservation and Self-Overcoming. The study participants, including young people (N=364) aged from 17 to 35, where 78% (285) is represented by women, were examined using such methods as the “Scale of migration attitudes” (S.A. Kuznetsova, I.Yu. Kuznetsov, A.V. Feshchenko), modifi ed into the “Scale of emigration attitudes”, which allows to identify the degree of severity of emigration attitudes; PVQ-21-ESS7 that is the version of a questionnaire for measuring individual values (Sh. Schwartz), aimed at studying the signifi cance of values, and the method of multiple linear regression analysis, the Student›s t-test. It is revealed that the Kazakhs of the northern regions of Kazakhstan (compared with the Kazakhs of Southern Kazakhstan) have more pronounced emigration attitudes, the importance of the Self-affi rmation metavalue is higher, emigration attitudes are positively associated with the Willingness to change meta-value; among the Kazakhs of Southern Kazakhstan (in comparison with the Kazakhs of Northern Kazakhstan), the meta-value of Preservation is of great importance, emigration attitudes are negatively associated with the meta-value of Self-overcoming; the meta-value of Self-overcoming is equally signifi cant for both the Kazakhs of the northern and the southern regions; emigration attitudes of the Kazakhs of both the southern and northern regions are negatively associated with the meta-value of Preservation and are positively associated with the meta-value of Self-Affi rmation. The obtained research results can be used in forecasting the migration behavior of Kazakh youth, as well as in the process of realizing a program “Rukhani Zhangyru – Public Consciousness Modernization” in Kazakhstan.
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Malinchik, M. A., N. N. Gorbacheva, V. D. Belenjuk, O. S. Konopleva, and M. V. Smolnikova. "The cytokine level in exhaled breath condensate and cytokine genes polymorphism in children with bronchial asthma." Siberian Medical Review, no. 2 (2022): 78–87. http://dx.doi.org/10.20333/25000136-2022-2-78-87.
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The aim of the research. To assess the levels of cytokines characterising the balance of Th 1 / Th 2 / Th 17 lymphocytes in the expired breath condensate, as well as to study the role of polymorphic variants of these cytokine genes in Krasnoyarsk children with bronchial asthma (BA), depending on the severity and of the disease control level. Material and methods. The study group included 104 BA children and 65 children without bronchopulmonary and allergic diseases in medical history. The diagnosis, severity and disease control level were established in accordance with the recommendations by the GINA working group. Children were divided into groups depending on the severity and BA control level. Research material was considered to be the expired breath condensate (EBC) and DNA from peripheral blood. DNA isolation was carried out by the sorbent method, and genotyping was performed by the real-time PCR method. EBC was collected using the RTube Exhaler Breath Condensate Collector. Th e concentration of cytokines in native EBC samples was determined using the MagPix multiplex immunoassay system. The results were processed using the Statistica soft ware package for Windows 10.0 and Microsoft Excel, 2007. The allele and genotype frequencies were compared with both an online calculator and the χ-square test. An odds ratio (OR) with a 95 % confi dence interval (CI) was carried out to associate the genetic markers with pathology phenotypes. Results. When comparing the genotype and allele frequencies of IL13 rs1800925 polymorphism in BA and control groups, we demonstrated a statistically significant difference for the CC genotype and the T allele. In addition, the prevalence of genotype AA IL17A rs2275913 was found to be higher in the group with controlled ВА, as well as in the group with medium ВА severity. Th ere were no statistically signifi cant diff erences in the polymorphisms IL4 rs2243250, IL5 rs2069812, IFNγ rs2069705 between the patient groups and controls. When determined the concentration of cytokines in EBC, only trace amounts of the analytes under study were revealed. The concentration values for the IL-13, IL-17A and IL-4 cytokines were slightly above the sensitivity threshold of the method and the kit used. IFN-γ and IL-5 were detected only in two patients. Conclusion. No association of polymorphic genes with cytokine concentration levels in the expired breath condensate was found in the study
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Antunes, Melissa, Valéria Bonganha, Giovana Verginia de Souza, Arthur Fernandes Gaspari, Cleiton A. Libardi, and Mara Patrícia T. Chacon-Mikahil. "Concurrent training effects on heart rate variability, blood pressure and fitness of middle-aged men and women." Revista Brasileira de Educação Física e Esporte 34, no. 4 (2020): 543–54. http://dx.doi.org/10.11606/1807-5509202000040543.
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The concurrent training led to beneficial effects on aerobic fitness and muscle strength. However, its effects on blood pressure (BP) and autonomic control marks are little studied. This study aimed to evaluate the concurrent training effects on BP, autonomic control, aerobic fi tness and muscle strength of middle-aged men and women. Thirty-two volunteers (51.4 ± 4.2 years, systolic BP 115 ± 12 mmHg and diastolic BP 78 ± 8 mmHg) were divided into 4 groups of 8 volunteers: male concurrent training (MCT), female concurrent training (FCT), male sedentary control (MSC) and female sedentary control (FSC) groups. A minimum absence of menstruation for 12-months was required. Concurrent training, six resistance exercise for whole body followed by 30 min of jogging and/or running at 55%–85% of VO2peak, was performed three times a week. The main assessments were rest BP and cardiovascular autonomic markers evaluated through heart rate variability (iRR, LF, HF, LF/HF, RMSSD, pNN50, SD1 and SD2), aerobic fitness measured by cardiorespiratory test (VO2peak) and muscle strength by one repetition maximum (1-RM - arm curl, bench press and leg press). The concurrent training did not change any cardiovascular variables. Regarding fitness the MCT and FCT groups demonstrated signifi cant improvement in VO2peak (13.12% e 8.51%, respectively). Muscle strengthimproved significantly in the MCT group in all three exercises (arm curl: 26.53%; bench press: 25.04%; leg press: 65.37%), while FCT in just two exercises (arm curl: 12.79%; bench press: 17.25%). Although concurrent training appears to be a good alternative for inducing improvements in various physical fitnessvariables in male, its can induce concurrence in leg strength of female. Concurrent training is not an effective strategy to improve BP and autonomic nervous system.
Books on the topic "CANT 78.4"
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Arshed, Norin, Julie McFarlane, and Robert MacIntosh, eds. Enterprise and its Business Environment. Goodfellow Publishers, 2016. http://dx.doi.org/10.23912/978-1-910158-78-4-2852.
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A clear and insightful introduction to the world of business enterprise and the inner workings of the firm. It explores the role of entrepreneurs, consumers and businesses to understand how their roles affect the production and allocation of good and services and provides a solid base from which those new to the study of business can develop their own interests in relation to the most powerful economic and entrepreneurial forces shaping the world in which we live.
Book chapters on the topic "CANT 78.4"
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Giuliano, Anna R. "The Road to Cervical Cancer Elimination." In Advancing the Science of Cancer in Latinos. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-14436-3_17.
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AbstractAn estimated 34,800 cancers in the United States were caused by HPV between 2012 and 2016. Among those cancers (cervical, vulvar, vaginal, anal, oropharyngeal, and penile), the overwhelming majority can be prevented with vaccination and cervical cancer screening and treatment. While the incidence of cervical cancer has significantly declined in all populations in the United States since 1975, Hispanic women continue to have significantly higher rates of cervical cancer than non-Hispanic White and Black women. In 2018, the director of the WHO announced his call to action for the global elimination of cervical cancer which is defined as an incidence of <4/100,000. Mathematical models indicate that the United States can achieve the goal of cervical cancer elimination (reducing incidence from ~7/100,000 to <4/100,000) by 2030 if we meet the goals set for the country for both vaccination and screening/treatment. The fastest way to achieve the goal is to ensure that all age-eligible women follow cervical cancer screening guidelines, which are for 93% of females to be screened for cervical cancer. Currently only 80% of women follow this recommendation, with lower percentages among Hispanic women (70–78%). Of concern, the percentage of women following screening recommendations appears to be on the decline in the United States. While the rate of HPV vaccination coverage is far below the national goal of 80%, overall Hispanic adolescents have higher vaccine coverage (56.6%) compared to non-Hispanic White (47.8%) and Black (53.3%) adolescents. There is a need to communicate the HPV vaccine’s effectiveness to increase its acceptance, and there is also an ongoing need to promote cervical cancer screening. In addition, providers must consistently deliver strong and linguistically/culturally relevant recommendations for both vaccination and screening.
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Petrov, Valentin V. "Some basic concepts and theorems of probability theory." In Oxford Studies In Probability 4. Oxford University PressOxford, 1995. http://dx.doi.org/10.1093/oso/9780198534990.003.0001.
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Abstract This chapter contains a summary of some basic concepts and theorems of probability theory that are needed in the following chapters. The proofs of many statements are omitted; they can be found in the books of, among others, Chung [78], Feller [133], Gnedenko [146], Loèeve [256], Lukacs [257] and Shiryaev [424]. Some more specialized results that border on the basic facts are also presented here.
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Raphael Wassim, Touma Laurent, and Chateauneuf Alaa. "Information-based formulation of a creep model using a new experimental database." In Construction Materials and Structures. IOS Press, 2014. https://doi.org/10.3233/978-1-61499-466-4-1274.
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Creep and shrinkage strain of concrete can have prejudicial consequences in prestressed structures built by phases. But these uncontrolled strains appear, with values often clearly more important than the expected ones. In fact, there is not yet a physical explanation perfectly satisfactory of creep and the codified descriptions of this phenomenon are always unreliable. In the context of this study, and starting from an important experimental database from large centers of research in Europe, a new model of creep calculation was developed and allows to obtain results more satisfactory than those of BPEL, EC2 and CEB 78.
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McKay, Geraldine, and Linda Phillips. "Research to Create Enterprise Value." In Enterprise and its Business Environment. Goodfellow Publishers, 2016. http://dx.doi.org/10.23912/978-1-910158-78-4-2907.
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Understanding customers and gaining insight into the context in which the business is operating is key to creating a relevant, valuable offering. In order to secure funding, market research features prominently in business plans and is viewed as a necessity when setting up an enterprise or before the launch of a new product or service. For established businesses, continuous research helps keep abreast of turbulent business environments where new competitors emerge, customer tastes change and new opportunities develop. Research can help answer the following questions: who are the customers, where are they, what do they want, how can they be reached and why is this business different from others? This chapter will introduce some of the more readily available sources that can be helpful in discovering trends, and will evaluate a range of appropriate tools that can help improve business decisions.
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S, Mayukha, and Vadivel R. "Various Possible Attacks and Mitigations of the OSI Model Layers Through Pentesting – An Overview." In New Frontiers in Communication and Intelligent Systems, 2023rd ed. Soft Computing Research Society, 2023. http://dx.doi.org/10.52458/978-81-95502-00-4-78.
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The OSI model is the traditional way to transmit data from one computer node to another. The transmission distance can differ from the node being in the next cubicle or to the next continent or anywhere in the world. The data is transmitted and received by the nodes that are connected to the internet. Even offline versions of transmission happen within a closed network of wired or wireless connectivity. Whatever the case may be OSI Model plays the most vital role in the transmission of data. The OSI Model has been passed down from generations of computer systems. This is the foundation of data transmission where the security should be at the maximum. The approach in this paper is to provide an eagle's view on the attacks and security at each layer and the methods to mitigate those threats through penetration testing. Preventing an attack before it happens is the smartest move in the cyber field. Routine checks on the mitigation process will prevent a lot of data theft and save face in the future and protect the data and the network. The structure of this paper involves a short OSI model description and its layers. The attacks can be launched by any malicious hacker in each of the layers which can be mimicked through penetration testing. The mitigation process if any, can be performed for these types of attacks. If a system is armed up with security measures at each layer level, the penetration of that node or network would be next to impossible. This is not an easy feat to achieve and would require a whole lot of creative ideas and foolproof systems in place. Security is one of the top concerns in every area of the personal or professional front. Creating a foolproof system for the transmission of data from layer 1 through to layer 7 of the OSI model implemented among computer nodes can guarantee to be an impossible challenge for hackers to crack at. Over time these security measures can become a guideline or a protocol that would be implemented in the OSI Model. Awareness is the first line of defense or offense that can be initiated for mitigating any kind of attack in the cyber world. Only with knowledge of the attack, an enterprise can protect itself from the outside world. This is the first step towards that long road of awareness and mitigation process of attacks performed on the various layers of the OSI Model.
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McKay, Geraldine. "Marketing to Create Value." In Enterprise and its Business Environment. Goodfellow Publishers, 2016. http://dx.doi.org/10.23912/978-1-910158-78-4-2916.
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Entrepreneurs generally feel enthusiastic when discussing their product or service idea but less comfortable when asked about their marketing approach. Marketing can suggest advertising, selling or tricks to influence people to buy things that they do not need, at a price they perhaps cannot afford. Marketing does include advertising and selling, but it is not about manipulating customers. Fifty years ago the Chartered Institute of Marketing defined marketing as “the management process responsible for identifying, anticipating and satisfying customer requirements profitably” (CIM, 2007). It is both a way of thinking about and a function within business – an activity and a way of thinking. It is the part of an enterprise that thinks about the customer first; by taking a customer-centric view it better understands needs and wants. It can then actively use the resources available to provide the very best value goods and services and develop a long-term relationship with existing and potential customers. For many smaller businesses marketing can seem to be an expensive luxury but this chapter will consider how any new enterprise will benefit from both the ideas and actions of marketing.
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Lambert, Tristan H. "Functional Group Protection." In Organic Synthesis. Oxford University Press, 2015. http://dx.doi.org/10.1093/oso/9780190200794.003.0014.
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Alfonso Iadonisi at the University of Naples Federico II developed (Eur. J. Org. Chem. 2013, 3137) a procedure for the selective acetolysis of the perbenzylated sugar 1 to furnish 3 using isopropenyl acetate (2) instead of the more typical and high-boiling acetic anhydride. The (3,4-dimethoxylphenyl)benzyl (DMPBn) protecting group, which is removed (cf. 4 → 5) under acidic conditions in the presence of the cation scavenger 5, was developed (J. Org. Chem. 2013, 78, 5264) by David S. Larsen at the University of Otago as an alternative to the p-methoxybenzyl (PMB) group. Another new hydroxyl-protecting group, the AzDMB group, which can be installed by simple acylation of (7 + 8 → 9) and removed under reductive conditions, was developed by Gijsbert A. van der Marel and Jeroen D.C. Codée of Leiden University. Stefan Grimme at the University of Bonn and Armido Studer at Westfälische-Wilhelms-Universität Münster found (Chem. Sci. 2013, 4, 2177) that NHC precatalyst 11 in the presence of NaH, benzaldehyde, and the oxidant 12 allows for the selective O-acylation of aminoalcohol 10 to 13. The reductive deprotection of benzyl carbamate 14 using the strong organic reductant 15 under photolytic conditions was achieved (Angew. Chem. Int. Ed. 2013, 52, 2239) by John A. Murphy at the University of Strathclyde. Liang-Qiu Lu and Wen-Jing Xiao at Central China Normal University found (Chem. Asian J. 2013, 8, 1090) that mixed imide 17 could be detosylated under visible light photoredox catalysis in the presence of Hantzsch ester 18. Frank Glorius at Westfälische-Wilhelms-Universität Münster developed (Org. Lett. 2013, 15, 1776) a ruthenium-catalyzed procedure for the N-formylation of amine 20 using methanol as the source of the formyl group. Protection of the thymine derivative 22 with a 2-(methoxycarbonyl)ethenyl (MocVinyl) group to produce 23 was developed (J. Org. Chem. 2013, 78, 5832) by Jaume Vilarrasa at the University of Barcelona. Deprotection of the MocVinyl group is readily achieved by treatment with a nucleophilic reagent such as pyrrolidine. Robert H. Grubbs at Caltech demonstrated (Chem. Sci. 2013, 4, 1640) that ether 24 could be demethylated with triethylsilane and potassium t-butoxide at high temperatures.
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Taber, Douglass F. "Organic Functional Group Protection." In Organic Synthesis. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780190646165.003.0012.
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Dithianes such as 1 are readily prepared, from the corresponding ketone or by alkylation. Masayuki Kirihara of the Shizuoka Institute of Science and Technology developed (Tetrahedron Lett. 2013, 54, 5477) an oxidative method for the deprotection of 1 to 2. Konrad Tiefenbacher of the Technische Universität München devised (J. Am. Chem. Soc. 2013, 135, 16213) a hexameric resorcinarene capsule that selectively catalyzed the hydrolysis of the smaller acetal 3 to 4 in the presence of a longer chain acetal. David J. Gorin of Smith College reported (J. Org. Chem. 2013, 78, 11606) the methylation of an acid 5 to 6 using dimethyl carbonate as the donor. Two peroxide-based methods (J. Org. Chem. 2013, 78, 9898; Org. Lett. 2013, 15, 3326) for carboxylic acid methylation (not illustrated) were also recently described. Hisashi Yamamoto of the University of Chicago showed (Angew. Chem. Int. Ed. 2013, 52, 7198) that the “supersilyl” ester 8, prepared from 7, was stable enough to be deprotonated and alkylated, but was easily removed. Michal Szostak and David J. Procter of the University of Manchester uncovered (Angew. Chem. Int. Ed. 2013, 52, 7237) the remarkable cleavage of a C–N bond in an amide 9, leading to the secondary amide 10. This could offer an alternative strategy for difficult-to-hydrolyze amides. Richard B. Silverman of Northwestern University described (J. Org. Chem. 2013, 78, 10931) improved protocols for the formation and removal of the N-protecting 2,5-dimethylpyrrole 11 to give 12. Huanfeng Jiang of the South China University of Technology showed (Chem. Commun. 2013, 49, 6102) that an arenesulfonamide 14 can be prepared by oxidation of the corresponding sodium arenesulfinate 13. Douglas A. Klumpp of Northern Illinois University prepared (Tetrahedron Lett. 2013, 54, 5945) sulfonamides (not illustrated) by combining a sulfonyl fluoride with a silyl amine. K. Rajender Reddy of the Indian Institute of Chemical Technology developed (Chem. Commun. 2013, 49, 6686) a new route to a urea 17, by oxidative coupling of an amine 15 with a formamide 16.
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McLeod, Josh, and Yvonne McLaren. "Employment Law." In Enterprise and its Business Environment. Goodfellow Publishers, 2016. http://dx.doi.org/10.23912/978-1-910158-78-4-2917.
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Employment laws are put in place to protect employees from any mistreatment from their employers, and are a vital part of a country’s efforts to protect its citizens. Some countries are regarded as having very restrictive employment laws whilst others are regarded as more relaxed. According to the Organization for Economic Co-operation and Development (OECD), who analyse and compare employment protections in various countries, the UK, Canada and the USA have the most lenient laws whereas France, Spain and Turkey have the strictest. This chapter will focus on UK employment law, where workers’ rights can be traced back to the 1300s and significant changes are still occurring today. By examining the UK’s history of employment law, the contract of employment, corresponding rights and duties of both the employer and employee and the circumstances in which the contract of employment might come to an end, students will gain a valuable insight into a unique area of UK business law.
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Glasgow, Steven, and Katherine Sang. "Gender and Work life Balance." In Enterprise and its Business Environment. Goodfellow Publishers, 2016. http://dx.doi.org/10.23912/978-1-910158-78-4-2915.
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The concept of work-life balance is an increasingly important issue in today’s society as a result of changing labour demographics. The traditional 9-5 working week cannot cater for all workers and many employers recognise this. Research from the CIPD (2012) indicates that 96% of employers in the UK offer some form of work-life balance practice, with part-time working (88%) and homeworking (54%) being the most common arrangements offered. Despite the increased interest in the work-life balance, there is ambiguity around what work-life balance is. Much of the confusion comes from a lack of agreement over what constitutes ‘work’, and what is ‘life’. This chapter explains the concept of work-life balance, the measures organizations can take to support the work-life balance of its members and the potential benefits and barriers associated with their implementation. The chapter also considers the role of gender in work-life balance, as women are more likely than men to use a work-life balance policy, with 77% working flexibly in some way (CIPD, 2012).
Conference papers on the topic "CANT 78.4"
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Hughes, Trevor L., Jennifer Duboue, Evgeny Barmatov, Jill Geddes, and Ling Li. "Contact & Optical Profilometry for Quantitative Characterization of Pitting Corrosion." In CORROSION 2014. NACE International, 2014. https://doi.org/10.5006/c2014-4249.
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Abstract This study compares methods based on contact profilometry and optical profilometry (3D microscopy) in terms of their ability to provide a quantitative characterization of pitting corrosion on a series of test coupons prepared from duplex steel (2205) oilfield casing. The test coupons were exposed to a series of oilfield acidizing formulations for 3 hours at 78°C. The formulations contained 4mol/L hydrochloric acid and increasing concentrations of the acid corrosion inhibitor naphthylmethylquinolinium chloride (4-30mmol/L). A sub-set of the fluids also contained potassium iodide. After exposure, we observe a systematic decrease in coupon weight loss with increasing inhibitor dosage. With increasing weight loss, we observe an increasing extent of pitting corrosion which can be qualitatively described by assigning a visual pitting index (PI) ranging from PI=0 (no pitting) to PI=9 (severe and extensive pitting). The overall aim of this study was to develop a new method to provide a quantitative characterization of the pitting behaviour. A contact profilometer was used to generate ten 1.3cm line profiles per test coupon, five on the outer and five on the inner face. A 3D microscope was used to collect digital images of four areas (each 0.06cm by 1.5cm) per test coupon, two on the outer and two on the inner face. Surface roughness parameters were calculated from the contact line profiles and digital images. Additional parameters were computed from the 3D images including pit density, pit dimensions (depth and diameter) and pit volume per unit surface area. We discuss observed changes in surface roughness parameters and additional parameters with increasing cumulative weight loss. The extent of pitting corrosion is most sensitively described by the 3D parameter, pit volume per unit surface area, which differentiates subtle changes in the low PI range 0 to 2. With increasing extent of pitting corrosion, the surfaces evolve to an etched texture which reflects preferential dissolution of the ferrite matrix relative to austenite. This is supported by analyses of the elemental composition of the surfaces using X-ray fluorescence (XRF) spectrometry. The methods developed during this study can be broadly applied to the quantitative characterization of pitting corrosion of other metal types exposed to different corrosive fluid conditions.
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SAKANAKA, Satoru, Yoji FUKAMI, Daisuke KAWAI, Takeshi NAKAJIMA, Satoru WATABE, and Yosuke NONAKA. "78 Development of a combustion analyzer to load onto a motorcycle." In Small Engine Technology Conference & Exposition. Society of Automotive Engineers of Japan, 2002. http://dx.doi.org/10.4271/2002-32-1847.
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<div class="section abstract"><div class="htmlview paragraph">In many cases of the development of motorcycle engines, the combustion analysis has been of the engine in laboratory, not of the one onto actual motorcycles. It is mainly because the combustion analyzer in the market is too large to load onto a motorcycle. Pressure sensor, crank angle detector, arithmetic unit and data record device are necessary to analyze the combustion. The arithmetic unit is to process detected signals and generally needs the largest space among them. Needless to say, more reliable results of the combustion analysis could not be obtained under such limited experimental conditions.</div><div class="htmlview paragraph">Therefore, we developed a compact combustion analyzer, which is possible to be loaded onto a motorcycle. The width of the arithmetic unit is 91mm, the depth 98mm and the thickness 20mm. The core chip has the calculation ability of 78MIPS at a clock speed 60MHz, and it has AD converter, DA converter and high-speed counter. With this hardware power, the analyzer can calculate maximum pressure and IMEP of every cycle as well as crank angle at the moment of maximum pressure, and output them.</div><div class="htmlview paragraph">This report addresses the developed compact combustion analyzer. First, the specifications of our analyzer are introduced with the general background of the combustion analyzer. Next, the analysis data, such as pressure and IMEP, are shown. These were obtained by this analyzer while the motorcycle actually running. It is confirmed that this analyzer provided valid results when loaded onto a 4-Cylinder 4-Stroke Engine in the condition of running either steadily or transiently.</div></div>
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Gao, Lixin, Hua Bai, and Xiumu Fang. "Experimental Study of Solar Air Heating System Based on Unglazed Transpired Collector." In ASME 2011 5th International Conference on Energy Sustainability. ASMEDC, 2011. http://dx.doi.org/10.1115/es2011-54837.
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An experimental rig was set up to test the thermal performance of a solar air heating system based on an unglazed transpired collector of 2.5 m2. The experiment was carried out at Harbin Institute of Technology in the city of Harbin, which is located in northeastern China, at latitude 45°41′ N and longitude 126°37′ E. The tests were spread over a number of days, in which the 4-day experimental data within the period were selected as the sample for analysis. Experimental results show that solar collector’s surface temperature and exit air temperature increase with increasing solar irradiation. The influence of ambient temperature on surface temperature and exit temperature is negligible. Temperature rise decreases with increasing air flow rate, while collector efficiency increases with increasing air flow rate. For an air flow rate of 100 m3/h in Test 1, the average air temperature rise and collector efficiency were 28.86°C and 72% respectively; for an air flow rate of 235 m3/h in Test 2, the average air temperature rise and collector efficiency were 11.52°C and 78% respectively. Higher airflow rate tends to operate the collector at lower surface temperature, which results in lower overall heat losses from the collector to the surroundings, therefore increasing airflow rate reduces air temperature rise and enhances the collector efficiency. The average efficiency of the experimental solar air heating system in the 4-day experiment period was 72%, 78%, 61%, and 72% respectively, which are higher than most conventional glazed flat-plate solar air collectors. With better coordination with architectural design at early stage in a project, this building-integrated solar air heating system can be both aesthetically and technically viable.
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Straupeniece, Daiga, and Normunds Dzintars. "Pupils’ Written Language in the Latvian Language and History State Examinations in Riga in 2021." In 81th International Scientific Conference of the University of Latvia. University of Latvia Press, 2023. http://dx.doi.org/10.22364/htqe.2023.50.
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The research examines pupils’ text creation skills in the Latvian language and history state examinations in 2021. It compares the quality of written language in two examination papers by 15 pupils. The statistical method has been used to evaluate the types of errors in orthography and syntax and establish the frequency of the use of the language means. Pupils’ skills in orthography vary. Only 4 examination papers in Latvian and history do not contain orthographic errors. Writing complex proper names and the use of macrons cause problems for pupils. Similarly, the skills of separate spelling of some words have been underdeveloped. Also, an unjustified lack of a letter or unjustified use of it can be observed. Pupils pay more attention to orthography in the Latvian language examination. Pupils’ skills in syntax are also varied. Syntactical means used in text creation are uniform. In the Latvian language examination papers, 143 instances when coordinated parts of sentence were used have been registered; 78 such instances have been registered in the history examination. In both examinations, a connection of two coordinated parts with the conjunction un ‘and’ was used most frequently, with 78 cases in Latvian and 32 in history. Also, the participial clause, including the undeclinable participle with the suffix -ot and auslaut -oties, was dominant (60% in history, 40% in Latvian). In the third part of the Latvian language examination, insertions were used more often than in the history examination, 63% and 37%, respectively. Other syntactic means were rarely used. It can be concluded that there are no significant differences in the types of orthographic and punctuation errors in the Latvian language and history examination papers; the differences are visible in the choice of language means and their quantity.
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Kostenko, Natalia, Sergey Kostenko, Evgenia Malyuzhenets, and Andrey RUMYaNCEV. "Red fescue - lawns, pastures, erosion control." In Multifunctional adaptive fodder production. Federal Williams Research Center of Forage Production and Agroecology, 2024. http://dx.doi.org/10.33814/mak-2023-32-80-73-78.
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Red fescue is a very widespread grass in Eurasia; this species is found from the northernmost territories to steppes and semi-deserts, while individual red fescue plants can live for more than 30 years. 91 varieties of this crop are registered in the register of breeding achievements; 4 varieties have currently been bred at the V.R. Williams Federal Research Center for Breeding Achievements, but research continues both in terms of breeding new varieties and in terms of the technology for its cultivation.
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Afanasyeva, K. P., A. N. Rusakovich, N. E. Kharchenko, I. D. Aleksandrov, and M. V. Aleksandrova. "GENOMIC CHANGES IN THE PROGENY OF DROSOPHILA MELANOGASTER MALES IRRADIATED BY y-RAYS." In SAKHAROV READINGS 2022: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY. International Sakharov Environmental Institute of Belarusian State University, 2022. http://dx.doi.org/10.46646/sakh-2022-1-328-331.
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The results of sequencing and bioinformatics analysis of genomic changes in 9 F1 progeny of males from the isogenic line D. melanogaster irradiated by Co60 Y—rays at a dose of 40 Gy (LD85) and in 3 control samples are presented. In 9 progeny from irradiated males, a total of 46 genomic changes (32 significant and 15 mosaic de novo mutations) were found, which is equal to a frequency of 5.2 mutations/genome. The spectrum of changes included 33 deletions (17-78 000 bp in size), 4 duplications (322-1371 bp), 4 reciprocal translocations and 6 inversions in X, 2 and 3 chromosomes. In 3 studied control samples, 2 deletions (98 and 128 bp in length) were found in 3 chromosome (frequency - 0.66 mutations/genome). This shows that in the progeny of irradiated males, the frequency of de novo mutations at the genome level is 7.9 times higher than in the control, even without taking into account base substitutions and indels, the analysis of which is ongoing. Almost half of the identified structural changes in the genome affect coding genes. Thus, the results show that next-generation genome sequencing can detect a much wider range of mutations of any size. This indicates a much higher genetic hazard of sparsely ionizing radiation than previously thought.
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Chan, Vivian, V. W. S. Liu, A. C. K. Wong, and T. K. Chan. "DNA POLYMORPHISMS IN OR LINKED TO THE FACTOR VIII GENE IN CHINESE." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1644049.
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78 unrelated X chromosomes from Southern Chinese (56 normal and 22 haemophiliac) were studied. DNA was restricted by Bel I, Bgl I or Taq I and hybridized to 3' factor VIII:C cDNA probe (5 kb, Chiron) or St 14.1 probe(3 kb, Oberle &Mandel) by standard techniques. The intragenic Bel I polymorphic site was positive in 82%, while Bgl I polymorphic site was positive in all. Thus, 29.5%(2 x×0.82 × 0.18) of Chinese females carried the Bel I polymorphism. Asto the Taq I polymorphism in the closely linked DXS52 DNA segment, the incidences for the various alleles were :System I - allele (3) 10.2%, (4) 2.6%, (5) 2.6%,(6) 17.9%, (7) 21.8% and (8) 44.9% System II - α a allele 56%, 6 allele 44%. Approximately 80% of females were heterozygous for two different alleles. Hence the Bel I and Taq I polymorphisms can be used to track the defective factor VIII gene for carrier detection and prenatal diagnosis. Furthermore, their frequencies in the Chinese are different from those previously reported in other ethnic groups.
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Ulfa, Preceillia Ciptaning, Agus Mirwan, Doni Rahmat Wicakso, et al. "Influence of Current Density for Pollutant Removal from Palm Oil Mill Effluent." In 4th International Seminar on Fundamental and Application of Chemical Engineering. Trans Tech Publications Ltd, 2024. http://dx.doi.org/10.4028/p-8rgen8.
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Palm oil mill effluent (POME) is one of the main problems generated by the palm oil industry in the form of high solids, oils and grease, as well as very high biochemical oxygen demand (BOD), chemical oxygen demand (COD), total suspended solid (TSS). Electrocoagulation (EC) is an electrochemical process that destabilizes the charge of a pollutant using an electric current through an electrode and traps the pollutant in the floc so that it can be separated from the mixture. The main purpose of this study is to investigate the removal of BOD, COD, and TSS from POME using EC process. POME was obtained from the outlet pond of PT. X which is located in Jorong District, South Kalimantan with very high BOD, COD, and TSS content. The EC process uses a series of modified electrocoagulation devices, 3 mm aluminum plate, and Riden RD6012W Digital DC. The optimization of the EC process includes parameters for different currents density (2, 4, 6, 8, and 10 mA cm-2), and reaction time (30, 60, 90, 120, 150, 180, 210, 240, 270 min). While other parameters that are considered constant are aluminum electrode, inter-electrode distance 3 mm, temperature and pH. The results showed that the highest % removal of BOD and COD occurred at currents density of 4 and 6 mA/cm2 with a time of 270 minutes of 99% and 78% respectively. While the TSS is 93% at currents density of 6 mA cm-2 and 270 minutes.
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Abramov, A. G., and I. N. Abramova. "Influence of heterosis value in spring wheat hybrids on the efficiency of valuable selection." In Растениеводство и луговодство. Тимирязевская сельскохозяйственная академия, 2020. http://dx.doi.org/10.26897/978-5-9675-1762-4-2020-78.
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The article presents the results of the influence of the magnitude of heterosis on the main elements of the formation of yield (grain size and productivity of the main spike) of spring wheat in the Irkutsk region. The following were used as maternal varieties: Irgina, Krasnoyarskaya 83, Tulun 15, Tselinnaya 60, Altayskaya 92, Niva 2 and a variety from Mongolia Orkhon 85, as testers - Skala, Angara 86, Tulunskaya 12 The best indicators of hypothetical heterosis were manifested by the number of grains in ear in combinations Krasnoyarskaya 83 × Angara 86, Krasnoyarskaya 83 × Skala, Altai 92 × Skala (81.6 ... 85.7%). In terms of grain weight from the main spike, the best results of hypothetical heterosis were noted in hybrid combinations Krasnoyarskaya 83 × Angara 86, Orkhon 85 × Angara 86, Ni-va × Angara 86, Altai 92 × Angara 86 (100.0 ... 130.7%) ... Krasnoyarskaya 83 × Angara 86, Altai 92 × Angara 86, Or-khon × Angara 86 are recognized as the best hybrid combinations that can give the greatest yield of transgressive forms of elite plants.
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"REHABILITATION MEASURES IN PATIENTS WITH OCCUPATIONAL DERMATOSES." In СОВРЕМЕННЫЕ ПРОБЛЕМЫ ЭКОЛОГИИ И ЗДОРОВЬЯ НАСЕЛЕНИЯ. ЭКОЛОГИЯ И ЗДОРОВЬЕ НАСЕЛЕНИЯ. Иркутский научный центр хирургии и травматологии, 2023. http://dx.doi.org/10.12731/978-5-98277-383-8-art12.
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The search for new modern methods of prevention and treatment of skin diseases remains relevant today. The aim is to evaluate the effectiveness of ozone therapy in the treatment of occupational allergodermatoses of chemical etiology. Materials and methods. Two groups of patients with occupational allergodermatoses (78 people) were examined and treated. Group 1 received only traditional treatment, in group 2 ozone therapy was added to the treatment complex. Immunological studies were performed using standard methods. Results. The use of ozone therapy in patients with allergodermatoses had a positive effect on cellular and humoral immunity: the content of CD3+ and CD8+-lymphocytes increased by 1,2-1,5 times, the ratio of CD4+/CD8+ normalized, the level of IL-10 and IL-4 decreased by 1,6 times, the number of patients with a positive effect according to indicators IdA, IgM, IgG, IgE accounted for more than 80 %. There was an improvement in the clinical course of the skin process, an increase in the remission period. Conclusion. The method of ozone therapy has shown its effectiveness, so it can be used for immunorehabilitation, prevention and treatment of this pathology.
Reports on the topic "CANT 78.4"
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Brosh, Arieh, David Robertshaw, Yoav Aharoni, Zvi Holzer, Mario Gutman, and Amichai Arieli. Estimation of Energy Expenditure of Free Living and Growing Domesticated Ruminants by Heart Rate Measurement. United States Department of Agriculture, 2002. http://dx.doi.org/10.32747/2002.7580685.bard.
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Research objectives were: 1) To study the effect of diet energy density, level of exercise, thermal conditions and reproductive state on cardiovascular function as it relates to oxygen (O2) mobilization. 2) To validate the use of heart rate (HR) to predict energy expenditure (EE) of ruminants, by measuring and calculating the energy balance components at different productive and reproductive states. 3) To validate the use of HR to identify changes in the metabolizable energy (ME) and ME intake (MEI) of grazing ruminants. Background: The development of an effective method for the measurement of EE is essential for understanding the management of both grazing and confined feedlot animals. The use of HR as a method of estimating EE in free-ranging large ruminants has been limited by the availability of suitable field monitoring equipment and by the absence of empirical understanding of the relationship between cardiac function and metabolic rate. Recent developments in microelectronics provide a good opportunity to use small HR devices to monitor free-range animals. The estimation of O2 uptake (VO2) of animals from their HR has to be based upon a consistent relationship between HR and VO2. The question as to whether, or to what extent, feeding level, environmental conditions and reproductive state affect such a relationship is still unanswered. Studies on the basic physiology of O2 mobilization (in USA) and field and feedlot-based investigations (in Israel) covered a , variety of conditions in order to investigate the possibilities of using HR to estimate EE. In USA the physiological studies conducted using animals with implanted flow probes, show that: I) although stroke volume decreases during intense exercise, VO2 per one heart beat per kgBW0.75 (O2 Pulse, O2P) actually increases and measurement of EE by HR and constant O2P may underestimate VO2unless the slope of the regression relating to heart rate and VO2 is also determined, 2) alterations in VO2 associated with the level of feeding and the effects of feeding itself have no effect on O2P, 3) both pregnancy and lactation may increase blood volume, especially lactation; but they have no effect on O2P, 4) ambient temperature in the range of 15 to 25°C in the resting animal has no effect on O2P, and 5) severe heat stress, induced by exercise, elevates body temperature to a sufficient extent that 14% of cardiac output may be required to dissipate the heat generated by exercise rather than for O2 transport. However, this is an unusual situation and its affect on EE estimation in a freely grazing animal, especially when heart rate is monitored over several days, is minor. In Israel three experiments were carried out in the hot summer to define changes in O2P attributable to changes in the time of day or In the heat load. The animals used were lambs and young calves in the growing phase and highly yielding dairy cows. In the growing animals the time of day, or the heat load, affected HR and VO2, but had no effect on O2P. On the other hand, the O2P measured in lactating cows was affected by the heat load; this is similar to the finding in the USA study of sheep. Energy balance trials were conducted to compare MEI recovery by the retained energy (RE) and by EE as measured by HR and O2P. The trial hypothesis was that if HR reliably estimated EE, the MEI proportion to (EE+RE) would not be significantly different from 1.0. Beef cows along a year of their reproductive cycle and growing lambs were used. The MEI recoveries of both trials were not significantly different from 1.0, 1.062+0.026 and 0.957+0.024 respectively. The cows' reproductive state did not affect the O2P, which is similar to the finding in the USA study. Pasture ME content and animal variables such as HR, VO2, O2P and EE of cows on grazing and in confinement were measured throughout three years under twenty-nine combinations of herbage quality and cows' reproductive state. In twelve grazing states, individual faecal output (FO) was measured and MEI was calculated. Regression analyses of the EE and RE dependent on MEI were highly significant (P<0.001). The predicted values of EE at zero intake (78 kcal/kgBW0.75), were similar to those estimated by NRC (1984). The EE at maintenance condition of the grazing cows (EE=MEI, 125 kcal/kgBW0.75) which are in the range of 96.1 to 125.5 as presented by NRC (1996 pp 6-7) for beef cows. Average daily HR and EE were significantly increased by lactation, P<0.001 and P<0.02 respectively. Grazing ME significantly increased HR and EE, P<0.001 and P<0.00l respectively. In contradiction to the finding in confined ewes and cows, the O2P of the grazing cows was significantly affected by the combined treatments (P<0.00l ); this effect was significantly related to the diet ME (P<0.00l ) and consequently to the MEI (P<0.03). Grazing significantly increased O2P compared to confinement. So, when EE of grazing animals during a certain season of the year is estimated using the HR method, the O2P must be re measured whenever grazing ME changes. A high correlation (R2>0.96) of group average EE and of HR dependency on MEI was also found in confined cows, which were fed six different diets and in growing lambs on three diets. In conclusion, the studies conducted in USA and in Israel investigated in depth the physiological mechanisms of cardiovascular and O2 mobilization, and went on to investigate a wide variety of ruminant species, ages, reproductive states, diets ME, time of intake and time of day, and compared these variables under grazing and confinement conditions. From these combined studies we can conclude that EE can be determined from HR measurements during several days, multiplied by O2P measured over a short period of time (10-15 min). The study showed that RE could be determined during the growing phase without slaughtering. In the near future the development microelectronic devices will enable wide use of the HR method to determine EE and energy balance. It will open new scopes of physiological and agricultural research with minimizes strain on animals. The method also has a high potential as a tool for herd management.