منابع مشابه
Jean - Paul Fermand and Jean - Claude Brouet
In the majority o f chronic lymphocytic leukemias (CLL), proliferative B lymphocytes are thought to be frozen in vivo at a given maturat ion stage (1). Recently, several studies have emphasized that CLL cells could be driven to different iate into plasma cells in vitro (with or without proliferation) upon t r iggering by mitogens (2, 3, 4) or T cel l -der ived factors (5, 6). Th u s far, howeve...
متن کاملJean Perrin
1. The first indication of the phenomenon.-When we consider a fluid mass in equilibrium, for example, some water in a glass, all the parts of the mass appear completely motionless to us. If we put into it an object of greater density it falls and, if it is spherical, it falls exactly vertically. The fall, it is true, is the slower the smaller the object; but, so long as it is visible, it falls ...
متن کاملJean E
The MIT Faculty has made this article openly available. Please share how this access benefits you. Your story matters. The four books under review address several of the most compelling issues that have arisen following the democratic transitions of the 1980s and 1990s in Latin American counties with indigenous populations. The main concerns shared by the authors, all anthropologists, are indig...
متن کاملJean-Paul Delahaye 2000
How can we know if a proof is correct? People often imagine that it suffices for a mathematician to make the effort to read it carefully, line by line, after having taken note of the definitions and known results that might be of use. If certain questions are unresolved, as to be sure some are, we would known precisely which ones, and the work of the researcher would consist uniquely of resolvi...
متن کاملJean Marc Gaspard Itard
foundation for his subsequent scientific and philosophical studies. His school career ended at sixteen but the young man spent two more years with his uncle. His father had decided upon a business career for his son and had made arrangement for him to enter a large bank at Marseilles, but the national situation prevented the realization of any such hope for in 1794 France sent out a call to col...
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ژورنال
عنوان ژورنال: Bulletin de la Société Botanique de France
سال: 1960
ISSN: 0037-8941
DOI: 10.1080/00378941.1960.10837952