{"title":"Sur une relation possible entre les éruptions solaires et la variation aléatoire de la durée du jour","authors":"J. Cox","doi":"10.3406/barb.1960.67873","DOIUrl":"https://doi.org/10.3406/barb.1960.67873","url":null,"abstract":"On a possible relation between solar flares and the length of the day.","PeriodicalId":296277,"journal":{"name":"Bulletin de la Classe des sciences","volume":"72 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1960-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114359145","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}
{"title":"Sur les irrégularités de la rotation de la Terre","authors":"F. V. D. Dungen, J. Cox, J. V. Mieghem","doi":"10.3406/barb.1959.67642","DOIUrl":"https://doi.org/10.3406/barb.1959.67642","url":null,"abstract":"Remarques des auteurs quant à des travaux récents.","PeriodicalId":296277,"journal":{"name":"Bulletin de la Classe des sciences","volume":"193 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1959-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132806320","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}
{"title":"Sur la corrélation décelée entre la constante de l’aberration et le type spectral des étoiles","authors":"J. Cox, J. Lemmens","doi":"10.3406/barb.1958.68783","DOIUrl":"https://doi.org/10.3406/barb.1958.68783","url":null,"abstract":"Complément à une note antérieure. On examine sur de nouvelles bases l’influence du spectre secondaire des objectifs. On en conclut que ce phénomène n’est pas seul à intervenir.","PeriodicalId":296277,"journal":{"name":"Bulletin de la Classe des sciences","volume":"16 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1957-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124970314","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}
{"title":"Sur la loi de Zipf-Mandelbrot","authors":"Jacques Devooght","doi":"10.3406/barb.1957.68597","DOIUrl":"https://doi.org/10.3406/barb.1957.68597","url":null,"abstract":"Les constantes de la distribution canonique de Mandelbrot et le nombre moyen de mots différents T (types) d’un texte de N mots (signes) sont calculés explicitement. On en déduit que la température informationnelle θ d’un langage à lexique infini est égale à l’ordre de croissance du nombre de types en fonction du nombre de signes. Une nouvelle méthode de calcul de θ est proposée. L’étude du comportement asymptotique des « échelons » de la courbe de Zipf conduit à une dérivation plus satisfaisante de la forme approchée de celle-ci.","PeriodicalId":296277,"journal":{"name":"Bulletin de la Classe des sciences","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1957-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114464267","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}
{"title":"Symptômes provoqués chez la tomate par une double carence cationique","authors":"J. Ansiaux","doi":"10.3406/barb.1956.68404","DOIUrl":"https://doi.org/10.3406/barb.1956.68404","url":null,"abstract":"Les symptômes attribués « classiquement » à une carence cationique simple dans le milieu alimentaire se manifestent typiquement dans le cas d'une carence double, mais avec une intensité variable suivant le cation présent ; un symptôme peut toutefois se trouver masqué par un autre.","PeriodicalId":296277,"journal":{"name":"Bulletin de la Classe des sciences","volume":"151 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1956-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115278902","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}
{"title":"Sur l'écoulement relatif d'un fluide","authors":"J. Verschaffelt","doi":"10.1051/JPHYSRAD:01956001704031300","DOIUrl":"https://doi.org/10.1051/JPHYSRAD:01956001704031300","url":null,"abstract":"Je montre que, dans le mouvement relatif d'un fluide, la température se comporte comme une grandeur spécifique et la pression comme une grandeur concentrée.","PeriodicalId":296277,"journal":{"name":"Bulletin de la Classe des sciences","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1956-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124122662","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}
{"title":"Sur les équations de Poisson, utilisées pour le calcul de la précession et de la nutation","authors":"J. Cox, F. V. D. Dungen","doi":"10.3406/barb.1956.68336","DOIUrl":"https://doi.org/10.3406/barb.1956.68336","url":null,"abstract":"Interprétation des équations de Poisson, justifiant l'abandon dans celles-ci des termes dits du second ordre.","PeriodicalId":296277,"journal":{"name":"Bulletin de la Classe des sciences","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1956-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116608532","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}
{"title":"Pertes de masse éprouvées par le Soleil, variations concomitantes du moyen mouvement de la Terre et échelle des temps","authors":"J. Cox, F. V. D. Dungen","doi":"10.3406/barb.1955.69347","DOIUrl":"https://doi.org/10.3406/barb.1955.69347","url":null,"abstract":"Présentation d'une hypothèse de travail et réflexions sur celle-ci.","PeriodicalId":296277,"journal":{"name":"Bulletin de la Classe des sciences","volume":"169 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1955-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121256917","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}
{"title":"Comparaison des déplacements sur la sphère céleste et sur la sphère terrestre de l'axe instantané de rotation de la Terre","authors":"J. Cox, F. V. D. Dungen","doi":"10.3406/barb.1954.69136","DOIUrl":"https://doi.org/10.3406/barb.1954.69136","url":null,"abstract":"","PeriodicalId":296277,"journal":{"name":"Bulletin de la Classe des sciences","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1954-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121974850","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}
{"title":"Absolute measurement of the Union Minière neutron standard","authors":"A. Troyer, G. Tavernier","doi":"10.3406/barb.1954.69005","DOIUrl":"https://doi.org/10.3406/barb.1954.69005","url":null,"abstract":"L'émission en neutrons de la source étalon de l'Union Minière (502,4 me) a été mesurée par intégration de la distribution spatiale des neutrons ralentis dans l'eau. \u0000 Cette distribution spatiale de même que la mesure absolue du flux à 10 cm de la source furent effectuées avec des feuilles d'or. \u0000 Diverses corrections furent étudiées et appliquées. L'émission totale ramenée à la date de fabrication de la source (IV-1951) est de (FORMULE)\u0000 Plusieurs comparaisons avec d'autres mesures absolues sont présentées.","PeriodicalId":296277,"journal":{"name":"Bulletin de la Classe des sciences","volume":"4 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1954-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131861402","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}