积习难改
发表于 2025-3-28 15:22:52
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生锈
发表于 2025-3-28 21:42:30
uch progress toward this goal. We can now outline a reasonable timetable for the U. S. fusion program which leads to the possibility of commercial power in about thirty years [.]; this assumes that a scientific feasibility demonstration will be successful within the next ten years, and serious desig
Admire
发表于 2025-3-29 02:51:13
Klaus Boersas able to reach 35°K and to generate refrigeration efficiently at 80°K and above in its most elementary form. The purpose of this paper is to show how the basic method with modifications can be used as the base for a small, simple helium-temperature refrigerator and to describe such an operating re
无畏
发表于 2025-3-29 06:10:48
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懒洋洋
发表于 2025-3-29 09:21:19
Arthur Hartmannn a conduit) on the contamination of cryogenic liquids stored for long periods. There appeared to be a possibility that contamination of stored liquid oxygen, for example, might occur because of back-diffusion of carbon dioxide and water through the venting apparatus, Carbon dioxide and water vapor
暂时休息
发表于 2025-3-29 14:23:24
Thomas Görgenthetic zeolite [.]. The equations proposed by Eagleton and Bliss [.] were applied to these breakthrough curves in order to evaluate a gas phase mass transfer coefficient .. and an adsorbed phase mass transfer coefficient ...
辩论
发表于 2025-3-29 17:09:03
Manuela Dudeck,Harald J. Freybergerh tear resistance in the relatively thick sections in which it would be used in the structure. These tests were similar in nature to the tear tests which have been made for years [.], but covered a much wider range of variables, ., (1) much thicker material., (2) specimens from the heat-affected zon
gruelling
发表于 2025-3-29 20:42:36
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洞穴
发表于 2025-3-30 01:24:15
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Inkling
发表于 2025-3-30 05:32:48
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