PUT 发表于 2025-3-27 00:22:28
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Dave Reayl to describe electronic excitations in semiconductors. The development procedure becomes, however, quite tedious and inefficient if a large basis of electron states is considered when describing a system. On the contrary, this technique is interesting if only a couple of almost degenerate states, wTraumatic-Grief 发表于 2025-3-27 09:14:43
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amount of background information necessary to perform cutting edge research, poses a formidable challenge for graduate students. .This book represents the first in a series designed to assist students in the process of transitioning from coursework to research in particle physics. Rather than readin有常识 发表于 2025-3-27 13:41:39
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Nitrogen and the Anthropocene, stocks thousands of miles away was now possible. Nutrient-rich waters and abundant fish stocks off the coast of Peru. had supported generation after generation of seabirds. The by-product of this long-standing fishy feast was huge accumulations of nitrogen-loaded bird manure, called guano. In the lTrabeculoplasty 发表于 2025-3-28 02:32:34
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Nitrous Oxide Sources,d. Today, so-called ‘natural sources’ still account for 60 per cent of worldwide emissions each year, but the human-induced component is becoming an ever-larger part of the global budget.. An estimated 16 million tonnes of nitrogen are emitted each year as nitrous oxide (nitrous oxide-N), with aroun声明 发表于 2025-3-28 13:46:23
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