منابع مشابه
Reaction rate theory: what it was, where is it today, and where is it going?
A brief history is presented, outlining the development of rate theory during the past century. Starting from Arrhenius [Z. Phys. Chem. 4, 226 (1889)], we follow especially the formulation of transition state theory by Wigner [Z. Phys. Chem. Abt. B 19, 203 (1932)] and Eyring [J. Chem. Phys. 3, 107 (1935)]. Transition state theory (TST) made it possible to obtain quick estimates for reaction rat...
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In this article, we compare chemical (87Sr/86Sr and elemental) analyses of archaeological maize from dated contexts within Pueblo Bonito, Chaco Canyon, New Mexico, to potential agricultural sites on the periphery of the San Juan Basin. The oldest maize analyzed from Pueblo Bonito probably was grown in an area located 80 km to the west at the base of the Chuska Mountains. The youngest maize came...
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in his last years of life americans had almost forgotton steinbeck, and those who had not, occasionally criticized him for supporting and praising the u. s. military intervention in the vietnam war. althought ateinbeck incorporates different themes into his works, each one bears many signs of his concern and sympathy for america and the american common people in particular. steinbecks to a god ...
15 صفحه اولIt was logical but was it the whole truth?
Calcific aortic stenosis (AS) was initially characterized as a degenerative process (disorder) because of a tendency to describe any disorder that was not well understood and often occurred in the ‘elderly’ as degenerative. In the last ‘15–20’ years, the observation of the presence of risk factors for arterial atherosclerosis in patients with calcific AS, the production of aortic valve calcific...
متن کاملTraditional medicine: Where does it stand?
While earth is becoming a smaller village every day, the rapid population growth and ageing is impeding obvious shifting pattern of disease which in turn is inflecting great economic burden required for fast growing health expenditure particularly in the developing world whose suffering from this particular issue is turning into an inflated almost non-curable disease. The major world population...
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ژورنال
عنوان ژورنال: The Biblical World
سال: 1907
ISSN: 0190-3578
DOI: 10.1086/473929