发布求助
文献互助 智能选刊 最新文献

Bulletin de la Classe des sciences最新文献

筛选
英文 中文
Involutions cycliques privées de points unis appartenant à une variété algébrique complètement régulière 属于完全正则代数变种的无统一点循环对合
Bulletin de la Classe des sciences Pub Date : 1900-01-01 DOI: 10.3406/barb.1968.62165
L. Godeaux
{"title":"Involutions cycliques privées de points unis appartenant à une variété algébrique complètement régulière","authors":"L. Godeaux","doi":"10.3406/barb.1968.62165","DOIUrl":"https://doi.org/10.3406/barb.1968.62165","url":null,"abstract":"Détermination des systèmes canoniques des variétés représentant une involution cyclique privée de points unis appartenant à une variété algébrique.","PeriodicalId":296277,"journal":{"name":"Bulletin de la Classe des sciences","volume":"152 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127314536","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
La structure cristalline de l’oxyde de platine : PtO2 氧化铂的晶体结构:PtO2
Bulletin de la Classe des sciences Pub Date : 1900-01-01 DOI: 10.3406/barb.1951.70610
O. Goche
{"title":"La structure cristalline de l’oxyde de platine : PtO2","authors":"O. Goche","doi":"10.3406/barb.1951.70610","DOIUrl":"https://doi.org/10.3406/barb.1951.70610","url":null,"abstract":"La pulvérisation cathodique du platine dans l’oxygène fournit des films de bioxyde de platine. La présente note décrit certaines particularités des dépôts obtenus en présence d’un champ magnétique et propose une structure cristalline pour cet oxyde.","PeriodicalId":296277,"journal":{"name":"Bulletin de la Classe des sciences","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127368874","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
Sur les surfaces algébriques de genre linéaire 1 线性代数曲面1
Bulletin de la Classe des sciences Pub Date : 1900-01-01 DOI: 10.3406/barb.1962.65452
Pól Burniat
{"title":"Sur les surfaces algébriques de genre linéaire 1","authors":"Pól Burniat","doi":"10.3406/barb.1962.65452","DOIUrl":"https://doi.org/10.3406/barb.1962.65452","url":null,"abstract":"On démontre que pour les surfaces algébriques régulières de genre linéaire p(1) = 1, le bigenre est indépendant du genre géométrique pg.","PeriodicalId":296277,"journal":{"name":"Bulletin de la Classe des sciences","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127476935","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
Mise en évidence d'une relation quantitative entre la synthèse des anticorps et celle des γ-globulines non spécifiques impliquée par la théorie de Burnet sur l'origine de la spécificité des anticorps 研究了抗体合成与非特异性γ球蛋白合成之间的定量关系，这是Burnet关于抗体特异性起源的理论所暗示的
Bulletin de la Classe des sciences Pub Date : 1900-01-01 DOI: 10.3406/barb.1965.65385
Y. Valette-Robin, N. Mairesse, R. Jeener
{"title":"Mise en évidence d'une relation quantitative entre la synthèse des anticorps et celle des γ-globulines non spécifiques impliquée par la théorie de Burnet sur l'origine de la spécificité des anticorps","authors":"Y. Valette-Robin, N. Mairesse, R. Jeener","doi":"10.3406/barb.1965.65385","DOIUrl":"https://doi.org/10.3406/barb.1965.65385","url":null,"abstract":"1. The quantities of γ-globulins secreted in vitro by fragments of spleen, synthesized in vivo by lymph node cells during short periods, or secreted in the blood by the entire immune system of rabbits hyperimmunized against tobacco mosaic virus or the flagellae of Salmonella paratyphi have been studied by incorporation of [3H] phenylalanine. In each case the quantities of [3H] phenylalanine simultaneously incorporated into the antibodies and into the non specific γ-globulins have been found to be equal. \u0000 2. It is proposed that all antibody producing cells synthesize equal quantities of antibody and of non specific γ-globulin. \u0000 Such a parallelism might been expected if the clonal selection theory of antibody production proposed by Burnet is correct. Other interpretations are discussed.","PeriodicalId":296277,"journal":{"name":"Bulletin de la Classe des sciences","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124820430","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
Sur les surfaces et variétés algébriques intersections d'hyperquadriques 代数曲面和变种超四边形的交集
Bulletin de la Classe des sciences Pub Date : 1900-01-01 DOI: 10.3406/barb.1968.62163
L. Godeaux
{"title":"Sur les surfaces et variétés algébriques intersections d'hyperquadriques","authors":"L. Godeaux","doi":"10.3406/barb.1968.62163","DOIUrl":"https://doi.org/10.3406/barb.1968.62163","url":null,"abstract":"Étude d'involutions du second ordre appartenant à des surfaces ou à des variétés algébriques à trois dimensions, intersections complètes d'hyperquadriques.","PeriodicalId":296277,"journal":{"name":"Bulletin de la Classe des sciences","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124820876","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
Aux confins de la théorie et de la pratique 在理论和实践的范围内
Bulletin de la Classe des sciences Pub Date : 1900-01-01 DOI: 10.3406/barb.1957.68753
M. Homès
{"title":"Aux confins de la théorie et de la pratique","authors":"M. Homès","doi":"10.3406/barb.1957.68753","DOIUrl":"https://doi.org/10.3406/barb.1957.68753","url":null,"abstract":"","PeriodicalId":296277,"journal":{"name":"Bulletin de la Classe des sciences","volume":"84 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124843291","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
Constantes d'acidité, à l'état excité, des α-cyanostilbènes et des α-cyanodiphénylazométhines paradiméthylaminés α-氰二苯乙烯和α-氰二苯基lazomyines在激发态下的酸度常数
Bulletin de la Classe des sciences Pub Date : 1900-01-01 DOI: 10.3406/barb.1967.63015
E. Feytmans-de Medicis, A. Bruylants
{"title":"Constantes d'acidité, à l'état excité, des α-cyanostilbènes et des α-cyanodiphénylazométhines paradiméthylaminés","authors":"E. Feytmans-de Medicis, A. Bruylants","doi":"10.3406/barb.1967.63015","DOIUrl":"https://doi.org/10.3406/barb.1967.63015","url":null,"abstract":"The acidity constants, in the electronic excited state (pK*), of the conjugate acids of eight terms of a series of dimethy-lamino-4, a-cyanostilbenes (X — C6H4 — C(CN) = CH — C6H4 — N(CH3)2) and of eight terms of a series of dimethylamino-4, a-cyano-diphenylazomethines (X — C6H4 — C(CN) = N — C6H4 — N(CH3)2) were calculated using U.V. and visible spectroscopic v values. \u0000 Plotting these pK* versus substituent constants, better correlations were obtained with a~ values (for electron-withdrawing substi-tuents) and a+ values (for electron-donating substituents) than with the common Hammett values. In the first series p — 6,95 and in the second p = 1,52. \u0000 These results are briefly commented.","PeriodicalId":296277,"journal":{"name":"Bulletin de la Classe des sciences","volume":"530 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124925127","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
Étude expérimentale de la chaleur spécifique du Rhenium 铼比热的实验研究
Bulletin de la Classe des sciences Pub Date : 1900-01-01 DOI: 10.3406/barb.1961.68192
R. Blanpain
{"title":"Étude expérimentale de la chaleur spécifique du Rhenium","authors":"R. Blanpain","doi":"10.3406/barb.1961.68192","DOIUrl":"https://doi.org/10.3406/barb.1961.68192","url":null,"abstract":"The atomic heats of rhenium, in the normal and. superconducting states, have been determinedfrom 1,2 up to 24°K. The normal state atomic heat can be represented between 1,2 and 5°K by Cn = ɣT + 1944 (T/θD)3 with ɣ = (2,257 ± 0,026).10-3 joule • (at. gr.)-1. deg.-2 and θD = 407,4 ± 10,4° K. The electronic contribution to the atomic heat of the metal in the superconducting state can be represented below Tc = 1,699°K by Ces /ɣTc — a exp (— bTc/T) with a = 11,68 and b = 1,64 ; such an exponential relation is consistent with theory involving a gap in the spectrum of available energy levels. The entropy difference Sn — S s was found to vanish to within 4,7 % ; this. small deviation could be attributed to incorrect values of a and b used in the extrapolation to 0°K of the exponential relation. The critical field values deduced from the corrected Sn — Ss curve lead to H0 = 196 gauss but show deviation from the parabolic relation which can amount to 0,03 H0.","PeriodicalId":296277,"journal":{"name":"Bulletin de la Classe des sciences","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125035553","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
Note sur un modèle de surface paraelliptique 关于拟椭圆曲面模型的注意事项
Bulletin de la Classe des sciences Pub Date : 1900-01-01 DOI: 10.3406/barb.1965.65182
Pól Burniat
{"title":"Note sur un modèle de surface paraelliptique","authors":"Pól Burniat","doi":"10.3406/barb.1965.65182","DOIUrl":"https://doi.org/10.3406/barb.1965.65182","url":null,"abstract":"Dans son ouvrage posthume « Le superficie algebriche » F. Enriques présente, page 397, un modèle possédant un faisceau elliptique de courbes de genre 1 et auquel il attribue, sans démonstration, les genres géométrique et arithmétique pg = 4 et pa = 3. Nous nous proposons de montrer que cette surface possède en fait les genres pg = 3 et pa = 2.","PeriodicalId":296277,"journal":{"name":"Bulletin de la Classe des sciences","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125068128","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
Sur un oculaire spécialement destiné à l’observation à l’aide d’un réfracteur zénithal 在专门为观察而设计的目镜上使用天顶折射器
Bulletin de la Classe des sciences Pub Date : 1900-01-01 DOI: 10.3406/barb.1953.70034
J.H.J. Lemmens
{"title":"Sur un oculaire spécialement destiné à l’observation à l’aide d’un réfracteur zénithal","authors":"J.H.J. Lemmens","doi":"10.3406/barb.1953.70034","DOIUrl":"https://doi.org/10.3406/barb.1953.70034","url":null,"abstract":"Modification et simplification de l’oculaire de Danjon et A. Couder réalisées en vue de l’observation au réfracteur zénithal.","PeriodicalId":296277,"journal":{"name":"Bulletin de la Classe des sciences","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125074152","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
首页 上一页 下一页 尾页
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：481959085
Book学术官方微信