chem =chemical; chemist; chemistry chemical 释义 1. 化学的 化学上的 化学用的 He devoted his life to chemical research. 他一生从事化学研究。 n. 1. 化学制品;化学药品[C][P1] He is experimenting with a new chemical. 他正在实验一种新的化学制品。 chemical 反义参见: physical mechani...
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In addition, the amount of energy needed to start a reaction is the activation energy. This energy is required to form the transition state, which occurs when reactant molecules collide, and the rate constant, k, is related to temperature by the Arrhenius equation. Process Analytical ...
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To understand why, we must consider the proposed mechanism in light of the atmospheric conditions that give rise to sand transport. The MLH hypothesis assumed that the mixed layer is neutrally stable such that the interface between it and the free-atmosphere at H is a capping interface; in ...
2. What do the qualifications for___in the contest___? (include)3. Are our chemistry experiments the___of the report, or is it___on something else?(basic)4. I find it very___that the painter draws___for her work from her culture.(inspire)5. I do not have the___to carry...
Silicon and aluminium are the second and third most abundant elements of the Earth's crust1. Paradoxically neither element is essential to life and aluminium is inimical to biota. Silicon's non-essentiality is reflected both in its non-existent biochemistry, there are no known Si-C, Si-N, ...
View PDFView articleView in ScopusGoogle Scholar [43] R. Stegeman, P.J. Spreacker, S.K. Swanson, R. Stephenson, L. Florens, M.P. Washburn, V.M. Weake The spliceosomal protein SF3B5 is a novel component of Drosophila SAGA that functions in gene expression independent of splicing J. ...
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