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 کاملRoger Needham, 1935-2003
Cambridge Research Lab, which he founded in 1997. Prior to joining Microsoft, he was associated with Cambridge University for nearly half a century—as an undergraduate and graduate student, as a researcher, and eventually as a professor and head of the Computer Laboratory. In this EIC message, I focus on the significance of Needham's research contributions to pervasive computing. These contribu...
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...
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ژورنال
عنوان ژورنال: Nature
سال: 1998
ISSN: 0028-0836,1476-4687
DOI: 10.1038/30367