منابع مشابه
A Brief History of Pfizer Central Research*
Two cousins, Charles Erhart, a confectioner, and Charles Pfizer, a chemist, were both in their mid-twenties when they came to the United States from Germany in 1849. They were the first of the innovative entrepreneurs that later came to be the standard for employees of Pfizer Inc. With $2,500 of their own money and a $1,000 mortgage, they set up shop in a two-story brick building on Bartlett St...
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it is generally recognised that ‘zero’ as we understand the concept today originated in two geographically separated cultures: the maya and indian. however, if zero merely signified a magnitude or a direction separator (i.e. separating those above the zero level from those below the zero level), the egyptian zero, nfr, dating back at least four thousand years, amply served these purposes. if ze...
متن کاملA brief history of muscular dystrophy research: a personal perspective.
The field of myology has undergone remarkable changes. From the period of early clinical descriptions and clinical classifications, new knowledge of these disorders has come from the developments of histopathology, enzyme histochemistry and later, immunocytochemistry and electron microscopy. These techniques have enhanced the understanding of the pathophysiology of myopathies at the cellular le...
متن کاملBrief history of mycology in Iran
The history of mycology in Iran is presented in five periods. In the first period (until 1860) there is no sign of Iranian fungi in scientific literature. In the second period (1860–1941) the study of Iranian fungi was started by foreign mycologists who did not visit Iran but worked on plant material collected by botanists. In the third period (1941–1963) the study of Iranian fungi was started ...
متن کاملA brief history of genome research and bioinformatics in France
The development of in silico genomics has progressed slowly in France for a number of political reasons. Two administrative organizations, the Groupement de Recherche sur les Génomes (GREG) and the Groupement de Recherche 1029 (GDR 1029) of the Centre National de la Recherche Scientifique (CNRS) have been established. These organizations have created the dynamics that hopefully will place Franc...
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ژورنال
عنوان ژورنال: Evaluation & the Health Professions
سال: 2002
ISSN: 0163-2787,1552-3918
DOI: 10.1177/0163278702025001003