Pub Date : 2021-05-20DOI: 10.46646/sakh-2021-2-256-259
A. V. Haida, E. Hancharova, A. Rybina, V. P. Zorin
Quality assurance in radiation oncology is a set of processes and procedures designed to confirm that radiation therapy will be or has been administered appropriately, in a safe and well-documented manner. Adherence to these processes and procedures will ensure that accurate doses are delivered for planned exposures. To improve safety and prevent accidental exposures, it is advisable to introduce into the daily work of all personnel involved in the radiation therapy process, a system for tracking and recording any inconsistencies with the planned radiation therapy process. Identifying and tracking incidents increases safety and improves the quality of care.
{"title":"RADIOTHERAPY INCIDENT TRACKING AND PREVENTION SYSTEM","authors":"A. V. Haida, E. Hancharova, A. Rybina, V. P. Zorin","doi":"10.46646/sakh-2021-2-256-259","DOIUrl":"https://doi.org/10.46646/sakh-2021-2-256-259","url":null,"abstract":"Quality assurance in radiation oncology is a set of processes and procedures designed to confirm that radiation therapy will be or has been administered appropriately, in a safe and well-documented manner. Adherence to these processes and procedures will ensure that accurate doses are delivered for planned exposures. To improve safety and prevent accidental exposures, it is advisable to introduce into the daily work of all personnel involved in the radiation therapy process, a system for tracking and recording any inconsistencies with the planned radiation therapy process. Identifying and tracking incidents increases safety and improves the quality of care.","PeriodicalId":385455,"journal":{"name":"SAKHAROV READINGS 2021: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY Part 2","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133216097","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-05-20DOI: 10.46646/sakh-2021-2-213-217
O. Skyba, L. Fedonyuk, O. Yarema, K. Lesnyak-Mochuk
The indicators of phosphates in water, the content of mobile and total forms of phosphorus in bottom sediments and soils in the hydroecosystem of the agrarian territory, which is characterized by active agriculture and animal husbandry, have been determined and analyzed. It was found that the presence of the total form of phosphorus in soil, water and bottom sediments differs significantly in different months, and the mobile form, on the contrary, is the same. It indicates a significant mobility of mobile forms of phosphorus in the “soil-water-bottom” sediments system. It was found that in spring most of the total phosphorus is in the soil, and in summer and until the beginning of autumn, its share in bottom sediments increases. It was revealed that the content of phosphates in the studied hydroecosystem is determined by their migration in the “soil-water-bottom” sediments system and has a seasonal character.
{"title":"DEPENDENCE OF PHOSPHATE CONTENT IN WATER ON MOBILE AND TOTAL FORMS OF PHOSPHORUS IN SOIL IN AGRICULTURAL TERRITORY OF TERNOPIL REGION (UKRAINE)","authors":"O. Skyba, L. Fedonyuk, O. Yarema, K. Lesnyak-Mochuk","doi":"10.46646/sakh-2021-2-213-217","DOIUrl":"https://doi.org/10.46646/sakh-2021-2-213-217","url":null,"abstract":"The indicators of phosphates in water, the content of mobile and total forms of phosphorus in bottom sediments and soils in the hydroecosystem of the agrarian territory, which is characterized by active agriculture and animal husbandry, have been determined and analyzed. It was found that the presence of the total form of phosphorus in soil, water and bottom sediments differs significantly in different months, and the mobile form, on the contrary, is the same. It indicates a significant mobility of mobile forms of phosphorus in the “soil-water-bottom” sediments system. It was found that in spring most of the total phosphorus is in the soil, and in summer and until the beginning of autumn, its share in bottom sediments increases. It was revealed that the content of phosphates in the studied hydroecosystem is determined by their migration in the “soil-water-bottom” sediments system and has a seasonal character.","PeriodicalId":385455,"journal":{"name":"SAKHAROV READINGS 2021: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY Part 2","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128458841","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-05-20DOI: 10.46646/sakh-2021-2-348-352
A. Liudchik, E. Melnik, P. N. Paulenka
Information on the role of sulfur dioxide in the formation of the concentration of ground-level ozone observed in the cities of Belarus is presented. The problem was solved by constructing a regression equation approximating the dependence of the concentration of ground-level ozone on meteorological conditions and ozone precursors. The presence of sulfur dioxide in urban air leads to a decrease in the concentration of ground-level ozone due to the binding of nitrogen dioxide. It is the photolysis of the latter that is the source of atomic oxygen and the subsequent generation of ozone.
{"title":"INFLUENCE OF SULFUR DIOXIDE ON SURFACE OZONE IN CITIES OF BELARUS","authors":"A. Liudchik, E. Melnik, P. N. Paulenka","doi":"10.46646/sakh-2021-2-348-352","DOIUrl":"https://doi.org/10.46646/sakh-2021-2-348-352","url":null,"abstract":"Information on the role of sulfur dioxide in the formation of the concentration of ground-level ozone observed in the cities of Belarus is presented. The problem was solved by constructing a regression equation approximating the dependence of the concentration of ground-level ozone on meteorological conditions and ozone precursors. The presence of sulfur dioxide in urban air leads to a decrease in the concentration of ground-level ozone due to the binding of nitrogen dioxide. It is the photolysis of the latter that is the source of atomic oxygen and the subsequent generation of ozone.","PeriodicalId":385455,"journal":{"name":"SAKHAROV READINGS 2021: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY Part 2","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129637474","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-05-20DOI: 10.46646/sakh-2021-2-202-205
E. A. Ratynskaya, V. Misiuchenka
The inventory act of sources of emissions of pollutants into the atmospheric air for the enterprise for the production of building metal structures has been developed. The emissions from heating, metalworking, welding and painting works were analyzed. It is established that the production site of the enterprise belongs to the V category as an object of influence. The normalized and non-normalized sources of emissions are distinguished separately. The calculated gross emission of pollutants from regulated sources into the atmosphere is 5,493 tons / year, which, in accordance with the legislation of the Republic of Belarus, requires obtaining an emission permit. Small amounts of emissions are distinguished by solid particles, xylenes, organic carbon.
{"title":"DEVELOPMENT OF THE INVENTORY ACT OF THE SOURCES OF EMISSIONS OF POLLUTING SUBSTANCES FOR THE ENTERPRISE FOR PRODUCTION OF CONSTRUCTION STEEL STRUCTURES","authors":"E. A. Ratynskaya, V. Misiuchenka","doi":"10.46646/sakh-2021-2-202-205","DOIUrl":"https://doi.org/10.46646/sakh-2021-2-202-205","url":null,"abstract":"The inventory act of sources of emissions of pollutants into the atmospheric air for the enterprise for the production of building metal structures has been developed. The emissions from heating, metalworking, welding and painting works were analyzed. It is established that the production site of the enterprise belongs to the V category as an object of influence. The normalized and non-normalized sources of emissions are distinguished separately. The calculated gross emission of pollutants from regulated sources into the atmosphere is 5,493 tons / year, which, in accordance with the legislation of the Republic of Belarus, requires obtaining an emission permit. Small amounts of emissions are distinguished by solid particles, xylenes, organic carbon.","PeriodicalId":385455,"journal":{"name":"SAKHAROV READINGS 2021: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY Part 2","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130221484","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-05-20DOI: 10.46646/sakl-2021-2-173-177
P. Zakharko
The article discusses the main water-consuming equipment at enterprises for the production of dairy products. The factors influencing the use of water by equipment are highlighted, possible ranges of water consumption by equipment are given which indicate the possibility of developing directions for optimizing water use at an enterprise for the production of dairy products. Taking into account the active increase of production capacities by enterprises for the production of dairy products over the past 10 years, the issues of optimizing water use are becoming more and more urgent.
{"title":"WATER CONSUMPTION EQUIPMENT AT THE ENTERPRISES FOR THE PRODUCTION OF DAIRY PRODUCTS - DIRECTION OF OPTIMIZING WATER USE","authors":"P. Zakharko","doi":"10.46646/sakl-2021-2-173-177","DOIUrl":"https://doi.org/10.46646/sakl-2021-2-173-177","url":null,"abstract":"The article discusses the main water-consuming equipment at enterprises for the production of dairy products. The factors influencing the use of water by equipment are highlighted, possible ranges of water consumption by equipment are given which indicate the possibility of developing directions for optimizing water use at an enterprise for the production of dairy products. Taking into account the active increase of production capacities by enterprises for the production of dairy products over the past 10 years, the issues of optimizing water use are becoming more and more urgent.","PeriodicalId":385455,"journal":{"name":"SAKHAROV READINGS 2021: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY Part 2","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123057351","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-05-20DOI: 10.46646/sakh-2021-2-38-41
A. V. Daineko, A. Bulatovski, A. Zinchenko
Genetic engineering is an actively developing branch of modern biotechnology. Using the methods of genetic engineering, it is possible to construct new forms of microorganisms that can synthesize a variety of substances, including enzymes. Xanthosine phosphorylase is the second purine nucleoside phosphorylase (PNP-II) in E. coli. This enzyme performs both reactions of phosphorolysis and the synthesis of purine deoxy / ribonucleosides. Due to this ability, xanthosine phosphorylase can catalyze the reaction of the formation of nicotinamide riboside. This substance is a precursor of the most important coenzyme NAD+ in the body, which plays a key role in the aging process. As a result of the study, a new strain of E. coli pET42a-xapA was constructed. This strain produces the protein xanthosine phosphorylase.
{"title":"STUDY ON POTENTIAL ENGINEERING OF ESCHERICHIA COLI XANTHOSE PHOSPHORYLASE STRAIN-PRODUCER","authors":"A. V. Daineko, A. Bulatovski, A. Zinchenko","doi":"10.46646/sakh-2021-2-38-41","DOIUrl":"https://doi.org/10.46646/sakh-2021-2-38-41","url":null,"abstract":"Genetic engineering is an actively developing branch of modern biotechnology. Using the methods of genetic engineering, it is possible to construct new forms of microorganisms that can synthesize a variety of substances, including enzymes. Xanthosine phosphorylase is the second purine nucleoside phosphorylase (PNP-II) in E. coli. This enzyme performs both reactions of phosphorolysis and the synthesis of purine deoxy / ribonucleosides. Due to this ability, xanthosine phosphorylase can catalyze the reaction of the formation of nicotinamide riboside. This substance is a precursor of the most important coenzyme NAD+ in the body, which plays a key role in the aging process. As a result of the study, a new strain of E. coli pET42a-xapA was constructed. This strain produces the protein xanthosine phosphorylase.","PeriodicalId":385455,"journal":{"name":"SAKHAROV READINGS 2021: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY Part 2","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116778644","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-05-20DOI: 10.46646/sakh-2021-2-269-272
E. Kemesh, E. Preobrazhenskaya, M. Piatkevich
The considered methodology for calculating stationary radiation protection is written in accordance with NCRP REPORT No. 151 “Structural Shielding Design and Evaluation for Megavoltage X- and Gamma-Ray Radiotherapy Facilities” [1]. The work presents partial calculations of the analyzed technique. A description of the approach used, conservative assumptions, basic coefficients and calculated values is given. It also analyzed the key points of NCRP Recommendations No. 151.
{"title":"REVIEW OF THE METHODOLOGY FOR CALCULATING THE STATIONARY RADIATION PROTECTION OF THE ROOM WITH A LINEAR ACCELERATOR, BASED ON NCRP REPORT No. 151","authors":"E. Kemesh, E. Preobrazhenskaya, M. Piatkevich","doi":"10.46646/sakh-2021-2-269-272","DOIUrl":"https://doi.org/10.46646/sakh-2021-2-269-272","url":null,"abstract":"The considered methodology for calculating stationary radiation protection is written in accordance with NCRP REPORT No. 151 “Structural Shielding Design and Evaluation for Megavoltage X- and Gamma-Ray Radiotherapy Facilities” [1]. The work presents partial calculations of the analyzed technique. A description of the approach used, conservative assumptions, basic coefficients and calculated values is given. It also analyzed the key points of NCRP Recommendations No. 151.","PeriodicalId":385455,"journal":{"name":"SAKHAROV READINGS 2021: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY Part 2","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116780375","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-05-20DOI: 10.46646/sakh-2021-2-282-286
U. Mirsaidov, S. Muminov, B. B. Barotov, S. Murodov
The study have been conducted on cesium-137 content in the soil layer of various Tajikistan regions, covering an area of about 45,000 km2. The dependence of cesium-137 accumulation on the studied regions terrain relief has been established. The dynamics of cesium-137 distribution in the soils of not cultivated and cultivated fields in Tajikistan has been investigated. It has been found that cesium-137 isotope content in the cultivated fields differs from the not cultivated ones. At the mountain pedestal areas and clayey soils, there is a relatively high cesium-137 isotope content compared to the plain areas.
{"title":"RADIATION AND HYGIENIC ASSESSMENT OF CONTENT AND DISTRIBUTION OF CESIUM-137 IN DIFFERENT TAJIKISTAN AREAS","authors":"U. Mirsaidov, S. Muminov, B. B. Barotov, S. Murodov","doi":"10.46646/sakh-2021-2-282-286","DOIUrl":"https://doi.org/10.46646/sakh-2021-2-282-286","url":null,"abstract":"The study have been conducted on cesium-137 content in the soil layer of various Tajikistan regions, covering an area of about 45,000 km2. The dependence of cesium-137 accumulation on the studied regions terrain relief has been established. The dynamics of cesium-137 distribution in the soils of not cultivated and cultivated fields in Tajikistan has been investigated. It has been found that cesium-137 isotope content in the cultivated fields differs from the not cultivated ones. At the mountain pedestal areas and clayey soils, there is a relatively high cesium-137 isotope content compared to the plain areas.","PeriodicalId":385455,"journal":{"name":"SAKHAROV READINGS 2021: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY Part 2","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115541780","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-05-20DOI: 10.46646/sakh-2021-2-45-48
Y. V. Zhyltsova, E. A. Sinevich, N. Smolnik, P. R. Khilimonchyk
The work analyzes the factors influencing the development of excess, deficiency, or imbalance of macro-and microelements in the organism of 7-10-year-old children living in a large industrial city. Based on a questionnaire survey, it was revealed that the development of natural exogenous microelementosis associated with a lack of B, Mo, Zn, Mn, Se in the soil is subject to more than 80 % of respondents, iodine deficiency - 30 %. The risks of acquiring technogenic microelementosis by the population are possible as a result of the increased content of Pb, Cu, Sn, Cr, Co in the soil, Ni, Sn, Zr, Cr, Cu, Co in the production of meadow and agrophytocenoses, Fe and Mn in the water. More than 40 % of children consume tap water without preliminary preparation, 4 % of families periodically use water from wells. The development of natural endogenous microelementosis is possible in 12-58 % cases, iatrogenic microelementosis - in more than 6 % cases.
{"title":"ANALYSIS OF MICROELEMENTOSIS FORMATION FACTORS OF ZHODINO’ PRIMARY SCHOOL AGE CHILDREN","authors":"Y. V. Zhyltsova, E. A. Sinevich, N. Smolnik, P. R. Khilimonchyk","doi":"10.46646/sakh-2021-2-45-48","DOIUrl":"https://doi.org/10.46646/sakh-2021-2-45-48","url":null,"abstract":"The work analyzes the factors influencing the development of excess, deficiency, or imbalance of macro-and microelements in the organism of 7-10-year-old children living in a large industrial city. Based on a questionnaire survey, it was revealed that the development of natural exogenous microelementosis associated with a lack of B, Mo, Zn, Mn, Se in the soil is subject to more than 80 % of respondents, iodine deficiency - 30 %. The risks of acquiring technogenic microelementosis by the population are possible as a result of the increased content of Pb, Cu, Sn, Cr, Co in the soil, Ni, Sn, Zr, Cr, Cu, Co in the production of meadow and agrophytocenoses, Fe and Mn in the water. More than 40 % of children consume tap water without preliminary preparation, 4 % of families periodically use water from wells. The development of natural endogenous microelementosis is possible in 12-58 % cases, iatrogenic microelementosis - in more than 6 % cases.","PeriodicalId":385455,"journal":{"name":"SAKHAROV READINGS 2021: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY Part 2","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115008809","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-05-20DOI: 10.46646/sakh-2021-2-107-110
A. N. Semak, E. Busko, V. Stelmakh
The study of the genesis of domestic animals in zoogeographic, phylogenetic and cytogenetic aspects allowed us to identify patterns of occurrence and development of various diseases and to predict their dynamics in connection with changes in the complex conditions of their habitat. It was found that among the examined group of dogs in 80,3% of cases were benign neoplasms, in 19,7% of cases the possibility of the occurrence and development of malignant neoplasms was diagnosed. Malignant neoplasms of the skin among the examined cats are detected more often and make up 63,0%, benign - 37,0%, respectively.
{"title":"MEDICAL-ECOLOGICAL AND CYTOGENETIC ASSESSMENT OF INDICATORS OF THE SKIN OF DOMESTIC ANIMALS OF THE CANINE FAMILY (CANIDAE) AND FELIDS (FELIDAE) OF CENTRAL BELARUS","authors":"A. N. Semak, E. Busko, V. Stelmakh","doi":"10.46646/sakh-2021-2-107-110","DOIUrl":"https://doi.org/10.46646/sakh-2021-2-107-110","url":null,"abstract":"The study of the genesis of domestic animals in zoogeographic, phylogenetic and cytogenetic aspects allowed us to identify patterns of occurrence and development of various diseases and to predict their dynamics in connection with changes in the complex conditions of their habitat. It was found that among the examined group of dogs in 80,3% of cases were benign neoplasms, in 19,7% of cases the possibility of the occurrence and development of malignant neoplasms was diagnosed. Malignant neoplasms of the skin among the examined cats are detected more often and make up 63,0%, benign - 37,0%, respectively.","PeriodicalId":385455,"journal":{"name":"SAKHAROV READINGS 2021: ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY Part 2","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2021-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121726511","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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