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樓主: 民俗學(xué)
31#
發(fā)表于 2025-3-27 01:01:41 | 只看該作者
32#
發(fā)表于 2025-3-27 02:38:12 | 只看該作者
Effect of an Impurity on the Nonequilibrium Vacancy Concentration in a Growing Crystallt) into the surface layer of the crystal by filling surface vacancies. The reverse reaction occurs simultaneously, i.e., surface impurities enter the melt, leaving behind vacant sites. Second, the impurity migrates into the subsurface region by a mechanism involving vacancies. This affects the surf
33#
發(fā)表于 2025-3-27 06:01:32 | 只看該作者
34#
發(fā)表于 2025-3-27 11:16:05 | 只看該作者
Liquid-Phase Electroepitaxytallization under the influence of current which is passed through saturated or nearly saturated solutions of the crystallized substance. In contrast to processes of electro-crystallization, where the crystallizing substance is the product of an electrode reaction, crystallization in processes which
35#
發(fā)表于 2025-3-27 15:01:33 | 只看該作者
Molecular Beam Epitaxy of Semiconductor, Metal, and Dielectric Filmsl case of which are superlattices (SL) which consist of layers with a thickness of one or several monolayers of various materials. The first SL were prepared in the Ga.Al.As—GaAs system with a small misfit of the lattice constants .. A substantially broader dass of MSS and SL can be created by conju
36#
發(fā)表于 2025-3-27 19:01:08 | 只看該作者
37#
發(fā)表于 2025-3-27 23:56:29 | 只看該作者
38#
發(fā)表于 2025-3-28 04:36:50 | 只看該作者
Crystallization of Ribosomes, Ribosomal Subunits, and Individual Ribosomal Proteinshesis of protein in the cell. The exceedingly complex structure of ribosomes (for example, the . ribosome, the molecular weight of which is 2.15?10. Da, consists of three types of RNA and 52 individual ribosomal proteins) makes it difficult to study them using classical methods of x-ray structural a
39#
發(fā)表于 2025-3-28 10:00:38 | 只看該作者
Chromatographic Methods of Purification and Crystallization of Spherical Virusesn at present are caused by them. The nucleic acid, which carries the whole complement of information necessary for generation of the virion, is enclosed for the majority of spherical viruses (Fig. 1) in an icosahedral capsid composed of 60. quasiequivalent protein molecules. Here . is the number of
40#
發(fā)表于 2025-3-28 12:56:01 | 只看該作者
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