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 کاملQuasi exactly solvable matrix Schrödinger operators . Yves BRIHAYE Faculté
Two families of quasi exactly solvable 2 × 2 matrix Schrödinger operators are constructed. The first one is based on a polynomial matrix potential and depends on three parameters. The second is a one-parameter generalisation of the scalar Lamé equation. The relationship between these operators and QES Hamiltonians already considered in the literature is pointed out.
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: Journal of Cerebral Blood Flow & Metabolism
سال: 1994
ISSN: 0271-678X,1559-7016
DOI: 10.1038/jcbfm.1994.66