绕着哥哥问
发表于 2025-3-23 10:19:53
https://doi.org/10.1007/978-3-662-59683-8in a precise mechanical device, or it can be a condition of inadequate lubrication. An examination of an ultralarge-scale integrated (ULSI) semiconductor device manufacturing requirement might result in the conclusion that the entire manufacturing operation must use ultraclean technology (Ohmi 1988)
拾落穗
发表于 2025-3-23 15:25:48
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interlude
发表于 2025-3-23 20:00:05
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大气层
发表于 2025-3-23 23:31:35
Die standardisierte Untersuchungnd composition as a result of reactions to environmental conditions. An understanding of the mechanisms controlling particle deposition and transport is quite important in contamination control. By knowing more about how particles are transported to and deposited upon critical products, the procedur
高兴去去
发表于 2025-3-24 02:54:54
Bösartige Veränderungen der Niere must be protected from harmful contaminants. Several methods and procedures have been developed to protect products from contamination. Contamination control for product protection both before and during processing requires that the product be isolated from contaminants, protected from those that c
creatine-kinase
发表于 2025-3-24 06:52:48
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修改
发表于 2025-3-24 13:04:25
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枯萎将要
发表于 2025-3-24 15:31:02
Die Vorgeschichte: Sternenstaub,ccuracy must also be verified. A number of standard methods and test materials are available to verify correct operation and status of these testing instruments. Although many of these methods are discussed, no detailed references are given in this section. All of the methods are referenced elsewher
mercenary
发表于 2025-3-24 21:03:57
Die Vorgeschichte: Sternenstaub,stems used for long-range vehicles and for control and optical elements used in high-altitude bomb-aiming systems. The guidance systems used floated gyroscopes that could be unbalanced by deposited particles in the size range of 50 μm. The Norden bombsight used during World War II contained fine thr
anarchist
发表于 2025-3-25 02:29:13
§ 15 Immissionsschutzstrafrechtovercome the pressure drop of the filters and the HVAC components. A vertical unidirectional flow cleanroom of the same size requires a much larger blower system. For a 5,000-square-foot room with 100% filter ceiling, the airflow requirement is 450,000 cubic feet per minute for the 90-feet-per-minut