منابع مشابه
Xix . the Antiscorbutic Potency of Apples . Iii . by Mary Forrest
IN comparing the potency of a number of varieties of apples, a particularly striking disparity between the antiscorbutic activity of the Bramley's Seedling and the King Edward was observed [Bracewell, Hoyle and Zilva, 1930, 1, 2] in spite of the fact that these two apples resemble each other in so many respects. A few chemical analyses disclosed also a difference in their nitrogen content. Thus...
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boron nitride semiconducting zigzag swcnt, $b_{cb}$$n_{cn}$$c_{1-cb-cn}$, as a potential candidate for making nanoelectronic devices was examined. in contrast to the previous dft calculations, wherein just one boron and nitrogen doping configuration have been considered, here for the average over all possible configurations, density of states (dos) was calculated in terms of boron and nitrogen ...
15 صفحه اولthe effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)
cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...
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ژورنال
عنوان ژورنال: Nature
سال: 2000
ISSN: 0028-0836,1476-4687
DOI: 10.1038/35017698