Riso report最新文献

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Simultaneous determination of arsenic, copper, manganese, selenium, and zinc in biological materials by neutron activation analysis. 中子活化法同时测定生物材料中的砷、铜、锰、硒和锌。
Riso report Pub Date : 1976-08-01
E Damsgaard, K Heydorn
{"title":"Simultaneous determination of arsenic, copper, manganese, selenium, and zinc in biological materials by neutron activation analysis.","authors":"E Damsgaard,&nbsp;K Heydorn","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>A method for the simultaneous determination of arsenic, copper, manganese, selenium, and zinc in biological material was developed by the incorporation of separation procedures for copper and zinc into an existing procedure. Investigation of the performance characteristics of the method was carried out with reference to copper and zinc. For certain materials characterized by a high Cu/Zn ratio, or a high zinc content, or both, such as liver, copper interferes in the determination of zinc thus requiring a small correction by an iterative procedure. Blank values for copper depend on the rinsing of the irradiation container, and a single rinsing with redistilled water was found superior to other rinsing procedures. Nuclear interference was negligible. The accuracy of the method was checked by analysis of Standard Reference Materials and the precision verified by analysis of Intercomparison Samples. Results are presented for 5 male foetuses of 3-5 months' gestational age. The distribution of arsenic, manganese and selenium is similar to that previously reported for adults. With the exception of liver, concentrations of copper in foetal organs were lower than values in the literature indicate.</p>","PeriodicalId":76488,"journal":{"name":"Riso report","volume":" 326","pages":"1-24"},"PeriodicalIF":0.0,"publicationDate":"1976-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12267316","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}
引用次数: 0
Air pollution in copenhagen. Part I. Element analysis and size distribution of aerosols. 哥本哈根的空气污染。第一部分:气溶胶的元素分析和粒径分布。
Riso report Pub Date : 1976-03-01
H Flyger, F P Jensen, K Kemp
{"title":"Air pollution in copenhagen. Part I. Element analysis and size distribution of aerosols.","authors":"H Flyger,&nbsp;F P Jensen,&nbsp;K Kemp","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Aerosols were monitored in Greater Copenhagen in the period June 1973 to July 1974. Size-fractionated cascade impactor samples and unfractionated filter samples were regularly collected and analyzed by neutron activation analysis, spark emission spectroscopy or proton-induced X-ray emission spectroscopy. Concentrations were determined of the following elements: Al, Si, S, Cl, K, Ca, Ti, V, Cr, Mn, Fe, Ni, Cu, Zn, Br, Mo, Cd, Sn, Sb, and Pb. All elements showed orders-of-magnitude fluctuations; the mean concentrations were roughly the same as in other large cities. In relation to proposed air quality standards, Pb was the most critical component. Statistical analysis of variation patterns, size distributions and interelement correlations indicate that automotive exhaust is the source of Br and Pb; fuel-oil combustion is the main source of V and Ni (and partly of S); soil dust raised by wind or by human activity (e. g. traffic) is the main source of Al, Si, Ca, Ti, and Fe.</p>","PeriodicalId":76488,"journal":{"name":"Riso report","volume":" 338","pages":"1-70"},"PeriodicalIF":0.0,"publicationDate":"1976-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12266043","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}
引用次数: 0
Environmental Radioactivity in the Faroes in 1974. 1974年法罗群岛的环境放射性。
Riso report Pub Date : 1975-07-01
A Aarkrog, J Lippert
{"title":"Environmental Radioactivity in the Faroes in 1974.","authors":"A Aarkrog,&nbsp;J Lippert","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Measurements of fall-out radioactivity in the Faroes in 1974 are presented. Strontium-90 (and 137Cs in most cases) was determined in regularly collected samples of precipitation, grass, milk, fish, sea water, bread, and drinking water. In addition, analyses were made of spotsamples of lamb, potatoes, sea plants, vegetables, eggs, and human bone. Estimates are given of the mean contents of 90Sr and 137Cs in the human diet in the Faroes in 1974. Whole body measurements were made on six individuals from the Faroes.</p>","PeriodicalId":76488,"journal":{"name":"Riso report","volume":" 324","pages":"1-25"},"PeriodicalIF":0.0,"publicationDate":"1975-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12263146","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}
引用次数: 0
Environmental radioactivity in Greenland in 1974. 1974年格陵兰岛的环境放射性。
Riso report Pub Date : 1975-07-01
A Aarkrog, J Lippert
{"title":"Environmental radioactivity in Greenland in 1974.","authors":"A Aarkrog,&nbsp;J Lippert","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Measurements of fall-out radioactivity in Greenland in 1974 are reported. Strontium-90 (and Caesium-137 in most cases) was determined in samples of precipitation, sea water, vegetation, animals, and drinking water. Estimates are given of the mean contents of 90Sr and 137Cs in the human diet in Greenland in 1974. Three Greenlanders were measured by wholebody counting.</p>","PeriodicalId":76488,"journal":{"name":"Riso report","volume":" 325","pages":"1-20"},"PeriodicalIF":0.0,"publicationDate":"1975-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12263147","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}
引用次数: 0
Environmental Radioactivity in Denmark in 1974. 1974年丹麦的环境放射性。
Riso report Pub Date : 1975-06-01
A Aarkrog, J Lippert
{"title":"Environmental Radioactivity in Denmark in 1974.","authors":"A Aarkrog,&nbsp;J Lippert","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The present report deals with the measurement of fall-out radioactivity in Denmark in 1974. Strontium-90 was determined in samples from all over the country of precipitation, soil, ground water, sea water, grass, dried milk, fresh milk, grain, bread, potatoes, vegetables, fruit, total diet, drinking water, and human bone. Furthermore, 90Sr was determined in local samples of air, rain water, grass, sea plants, fish, and meat. Caesium-137 was determined in soil, sea water, milk, grain products, potatoes, vegetables, fruit, total diet, fish, and meat. It was also measured by wholebody-counting of a control group at Tisø. Estimates of the mean contents of radiostrontium and radiocaesium in the human diet in Denmark during 1974 are given. The gamma-background was measured regularly at locations around Risø, at ten of the State experimental farms, in one area in Zealand, one in Jutland, and along the shores of the Great Belt. Finally the report includes routine surveys of environmental samples from the Risø area.</p>","PeriodicalId":76488,"journal":{"name":"Riso report","volume":" 323","pages":"1-113"},"PeriodicalIF":0.0,"publicationDate":"1975-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12263145","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}
引用次数: 0
Environmental radioactivity in the Faroes in 1973. 1973年法罗群岛的环境放射性。
Riso report Pub Date : 1974-07-01
A Aarkrog, J Lippert
{"title":"Environmental radioactivity in the Faroes in 1973.","authors":"A Aarkrog,&nbsp;J Lippert","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76488,"journal":{"name":"Riso report","volume":" 306","pages":"1-21"},"PeriodicalIF":0.0,"publicationDate":"1974-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15650833","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}
引用次数: 0
Environmental radioactivity in Greenland in 1973. 1973年格陵兰岛的环境放射性。
Riso report Pub Date : 1974-07-01
A Aarkrog, J Lippert
{"title":"Environmental radioactivity in Greenland in 1973.","authors":"A Aarkrog,&nbsp;J Lippert","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76488,"journal":{"name":"Riso report","volume":" 307","pages":"1-20"},"PeriodicalIF":0.0,"publicationDate":"1974-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15650834","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}
引用次数: 0
Environmental radioactivity in Denmark in 1973. 1973年丹麦的环境放射性。
Riso report Pub Date : 1974-06-01
A Aarkrog, J Lippert
{"title":"Environmental radioactivity in Denmark in 1973.","authors":"A Aarkrog,&nbsp;J Lippert","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76488,"journal":{"name":"Riso report","volume":" 305","pages":"1-96"},"PeriodicalIF":0.0,"publicationDate":"1974-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15650832","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}
引用次数: 0
Distribution of thorotrast and its daughter nuclides and estimation of absorbed dose in the human organs. 胸腔造影剂及其子体核素在人体器官中的分布及吸收剂量的估计。
Riso report Pub Date : 1973-06-01
S Okawara, S Okazima
{"title":"Distribution of thorotrast and its daughter nuclides and estimation of absorbed dose in the human organs.","authors":"S Okawara,&nbsp;S Okazima","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76488,"journal":{"name":"Riso report","volume":" 294","pages":"72-80"},"PeriodicalIF":0.0,"publicationDate":"1973-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15651123","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}
引用次数: 0
Liver studies in the thorotrast patients - laboratory and clinical findings (study of 175 cases). 胸部造影患者的肝脏研究——实验室和临床结果(175例的研究)。
Riso report Pub Date : 1973-06-01
M H Tavares, A Saragoça, J da Silva Horta
{"title":"Liver studies in the thorotrast patients - laboratory and clinical findings (study of 175 cases).","authors":"M H Tavares,&nbsp;A Saragoça,&nbsp;J da Silva Horta","doi":"","DOIUrl":"","url":null,"abstract":"","PeriodicalId":76488,"journal":{"name":"Riso report","volume":" 294","pages":"212-8"},"PeriodicalIF":0.0,"publicationDate":"1973-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"15253599","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}
引用次数: 0
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