发布求助
文献互助 智能选刊 最新文献

Journal of Nuclear Energy (1954)最新文献

筛选
英文 中文
Nuclear multiplets in light odd-odd nuclei and their manifestation in gamma-transitions following thermal neutron capture 轻奇-奇核中的核多重态及其在热中子俘获后γ跃迁中的表现
Journal of Nuclear Energy (1954) Pub Date : 1958-11-01 DOI: 10.1016/0891-3919(58)90018-4
L.V. Groshev, A.M. Demidov
{"title":"Nuclear multiplets in light odd-odd nuclei and their manifestation in gamma-transitions following thermal neutron capture","authors":"L.V. Groshev,&nbsp;A.M. Demidov","doi":"10.1016/0891-3919(58)90018-4","DOIUrl":"10.1016/0891-3919(58)90018-4","url":null,"abstract":"<div><p>The states of odd-odd nuclei with <em>A</em> &lt; 60 which differ in total angular momentum, <em>J</em>, but which have given odd proton and odd neutron momenta, <em>j</em><sub><em>p</em></sub> and <em>j</em><sub><em>p</em></sub> are considered. The experimental evidence for such nuclear multiplets near the ground state is reviewed. The γ-decay schemes of even-odd (odd neutron) and odd-odd nuclei with <em>A</em> &lt; 60 formed by thermal neutron capture are compared, and the multiplet hypothesis is used to explain some aspects of the γ-transitions in odd-odd nuclei.</p></div>","PeriodicalId":100812,"journal":{"name":"Journal of Nuclear Energy (1954)","volume":"8 1","pages":"Pages 103-114"},"PeriodicalIF":0.0,"publicationDate":"1958-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0891-3919(58)90018-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117327918","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: 2
On the efficiency of a concentric cut-off rod of a thermal reactor as a function of the inserted length of the rod 热堆同心切断棒的效率与插入长度的关系
Journal of Nuclear Energy (1954) Pub Date : 1958-11-01 DOI: 10.1016/0891-3919(58)90003-2
G.M. Schindler
{"title":"On the efficiency of a concentric cut-off rod of a thermal reactor as a function of the inserted length of the rod","authors":"G.M. Schindler","doi":"10.1016/0891-3919(58)90003-2","DOIUrl":"10.1016/0891-3919(58)90003-2","url":null,"abstract":"<div><p>The problem considered is that of determining the efficiency of a partially inserted control rod of a thermal reactor by calculating the buckling. Since, according to one-group theory, this buckling is the smallest eigenvalue of the differential equation for the thermal neutron flux with the corresponding boundary conditions, it is derived from a classical variational problem.</p></div>","PeriodicalId":100812,"journal":{"name":"Journal of Nuclear Energy (1954)","volume":"8 1","pages":"Pages 18-32"},"PeriodicalIF":0.0,"publicationDate":"1958-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0891-3919(58)90003-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77097282","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: 3
Thermal stresses in reactor shells due to γ-irradiation γ辐照引起的反应堆壳热应力
Journal of Nuclear Energy (1954) Pub Date : 1958-11-01 DOI: 10.1016/0891-3919(58)90004-4
M.J. Hillier
{"title":"Thermal stresses in reactor shells due to γ-irradiation","authors":"M.J. Hillier","doi":"10.1016/0891-3919(58)90004-4","DOIUrl":"10.1016/0891-3919(58)90004-4","url":null,"abstract":"<div><p>This paper gives methods of calculating the temperatures and stresses in shells forming the pressure vessel or thermal shield of a nuclear reactor. It is assumed that the γ-ray currents are known on the inner surface of the shell. The heating and stress effects are considered, with particular reference to (a) Temperature boundary conditions, (b) Limitations of the flat slab approximation to the stresses in hollow cylinders and spheres.</p></div>","PeriodicalId":100812,"journal":{"name":"Journal of Nuclear Energy (1954)","volume":"8 1","pages":"Pages 33-47"},"PeriodicalIF":0.0,"publicationDate":"1958-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0891-3919(58)90004-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87384404","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: 5
Nuclear energy levels of 169Tu 核能水平为169Tu
Journal of Nuclear Energy (1954) Pub Date : 1958-11-01 DOI: 10.1016/0891-3919(58)90026-3
S.A. Baranov, R.M. Polevoi, U.F. Rodignov, G.V. Shishkin
{"title":"Nuclear energy levels of 169Tu","authors":"S.A. Baranov,&nbsp;R.M. Polevoi,&nbsp;U.F. Rodignov,&nbsp;G.V. Shishkin","doi":"10.1016/0891-3919(58)90026-3","DOIUrl":"10.1016/0891-3919(58)90026-3","url":null,"abstract":"","PeriodicalId":100812,"journal":{"name":"Journal of Nuclear Energy (1954)","volume":"8 1","pages":"Pages 166-167"},"PeriodicalIF":0.0,"publicationDate":"1958-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0891-3919(58)90026-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86856729","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: 3
Heating of the structures round a nuclear reactor 核反应堆周围结构的加热
Journal of Nuclear Energy (1954) Pub Date : 1958-11-01 DOI: 10.1016/0891-3919(58)90032-9
A.N. Komarovskii
{"title":"Heating of the structures round a nuclear reactor","authors":"A.N. Komarovskii","doi":"10.1016/0891-3919(58)90032-9","DOIUrl":"10.1016/0891-3919(58)90032-9","url":null,"abstract":"","PeriodicalId":100812,"journal":{"name":"Journal of Nuclear Energy (1954)","volume":"8 1","pages":"Page 176"},"PeriodicalIF":0.0,"publicationDate":"1958-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0891-3919(58)90032-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79844452","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
The accumulation of radioelement in certain groups of water organisms 放射性:放射性元素在某些水生物群中的积累
Journal of Nuclear Energy (1954) Pub Date : 1958-11-01 DOI: 10.1016/0891-3919(58)90036-6
D.I. Win, Yu.I. Moskalev, A.I. Petrova
{"title":"The accumulation of radioelement in certain groups of water organisms","authors":"D.I. Win,&nbsp;Yu.I. Moskalev,&nbsp;A.I. Petrova","doi":"10.1016/0891-3919(58)90036-6","DOIUrl":"10.1016/0891-3919(58)90036-6","url":null,"abstract":"","PeriodicalId":100812,"journal":{"name":"Journal of Nuclear Energy (1954)","volume":"8 1","pages":"Page 176"},"PeriodicalIF":0.0,"publicationDate":"1958-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0891-3919(58)90036-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"106379262","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
Diffusion cooling of neutrons in a finite solid moderator assembly 有限固体慢化剂组件中中子的扩散冷却
Journal of Nuclear Energy (1954) Pub Date : 1958-11-01 DOI: 10.1016/0891-3919(58)90006-8
K.S. Singwi, L.S. Kothari
{"title":"Diffusion cooling of neutrons in a finite solid moderator assembly","authors":"K.S. Singwi,&nbsp;L.S. Kothari","doi":"10.1016/0891-3919(58)90006-8","DOIUrl":"10.1016/0891-3919(58)90006-8","url":null,"abstract":"<div><p>Following <span>Nelkin</span>, an expression for the decay constant of the fundamental spatial mode of neutron flux as a function of the buckling of moderating assembly is derived, without making any explicit assumption regarding the variation of transport mean free path <em>λ</em><sub><em>tr</em></sub> with neutron energy. Numerical results are presented for beryllium, and it is shown that the relation between the diffusion cooling constant and the relaxation time of the last stages of slowing down is a very sensitive function of the variation of <em>λ</em><sub><em>tr</em></sub> with energy; as such it is not possible to estimate the relaxation time by a measurement of the diffusion cooling constant.</p></div>","PeriodicalId":100812,"journal":{"name":"Journal of Nuclear Energy (1954)","volume":"8 1","pages":"Pages 59-62"},"PeriodicalIF":0.0,"publicationDate":"1958-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0891-3919(58)90006-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89347101","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: 19
Effect of neutron temperature on the duration of runs and on fuel breeding in a power reactor 中子温度对动力反应堆运行时间和燃料增殖的影响
Journal of Nuclear Energy (1954) Pub Date : 1958-11-01 DOI: 10.1016/0891-3919(58)90028-7
A.K. Krasin, M.E. Minashin, V.J. Sviridenko
{"title":"Effect of neutron temperature on the duration of runs and on fuel breeding in a power reactor","authors":"A.K. Krasin,&nbsp;M.E. Minashin,&nbsp;V.J. Sviridenko","doi":"10.1016/0891-3919(58)90028-7","DOIUrl":"10.1016/0891-3919(58)90028-7","url":null,"abstract":"","PeriodicalId":100812,"journal":{"name":"Journal of Nuclear Energy (1954)","volume":"8 1","pages":"Page 176"},"PeriodicalIF":0.0,"publicationDate":"1958-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0891-3919(58)90028-7","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80682757","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
Angular and energy distribution of fission neutrons 裂变中子的角分布和能量分布
Journal of Nuclear Energy (1954) Pub Date : 1958-11-01 DOI: 10.1016/0891-3919(58)90011-1
G.A. Bat, L.P. Kudrin
{"title":"Angular and energy distribution of fission neutrons","authors":"G.A. Bat,&nbsp;L.P. Kudrin","doi":"10.1016/0891-3919(58)90011-1","DOIUrl":"10.1016/0891-3919(58)90011-1","url":null,"abstract":"<div><p>The angular distribution of fission neutrons given by the statistical model of the nucleus is calculated, taking account of the angular anisotropy of emission of fission fragments. The latter is represented by the simple expression 1 + <em>k</em> cos<sup>2</sup><em>α</em>. It is assumed that the neutrons are emitted isotropically in the co-ordinate system in which the appropriate fragment is at rest. The ratio <em>P</em> of fission neutron intensities emitted parallel and perpendicular to the primary neutron beam is calculated for <sup>238</sup>U, the energy range 1–10 MeV being covered for both primary and secondary neutrons. When the fission is considered to be induced by neutrons of the fission spectrum, the mean value of <em>P</em> for <sup>238</sup>U comes to ∼1·13. The energy spectrum of the fission neutrons is also calculated for various values of the incident neutron energy. Anisotropies occurring in the fission of other nuclei may be calculated by the same method.</p></div>","PeriodicalId":100812,"journal":{"name":"Journal of Nuclear Energy (1954)","volume":"8 1","pages":"Pages 74-83"},"PeriodicalIF":0.0,"publicationDate":"1958-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0891-3919(58)90011-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87512497","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: 2
Considerations relating to the choice of the dee voltage in a cyclotron 关于回旋加速器中dee电压选择的考虑
Journal of Nuclear Energy (1954) Pub Date : 1958-11-01 DOI: 10.1016/0891-3919(58)90015-9
Yu.A. Zavenyagin, N.D. Fedorov
{"title":"Considerations relating to the choice of the dee voltage in a cyclotron","authors":"Yu.A. Zavenyagin,&nbsp;N.D. Fedorov","doi":"10.1016/0891-3919(58)90015-9","DOIUrl":"10.1016/0891-3919(58)90015-9","url":null,"abstract":"","PeriodicalId":100812,"journal":{"name":"Journal of Nuclear Energy (1954)","volume":"8 1","pages":"Pages 95-99"},"PeriodicalIF":0.0,"publicationDate":"1958-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0891-3919(58)90015-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75388478","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: 1
首页 上一页
0
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
提示
您的信息不完整，为了账户安全，请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
请完成安全验证×
相关产品
×
本文献相关产品
联系我们：info@booksci.cn Book学术提供免费学术资源搜索服务，方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。 Copyright © 2023 布克学术 All rights reserved.
京ICP备2023020795号-1
ghs 京公网安备 11010802042870号
Book学术文献互助
Book学术文献互助群
群 号：604180095
Book学术官方微信