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- BS 7545-1991 从金属和合金腐蚀试样去除腐蚀制品的方法
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发布日期:1991-12-20
实施日期:1991-12-20
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简介:Procedures for the removal of corrosion products formed during exposure in corrosive environments, without significant removal of base metal.
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- BS EN 374-3-2003 耐化学腐蚀和微生物的防护手套.第3部分:耐化学药品渗透性的测定
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发布日期:2003-09-16
实施日期:2003-09-16
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简介:This European Standard specifies the determination of the resistance of protective glove materials to permeation
by potentially hazardous non-gaseous chemicals under the condition of continuous contact.
It is emphasised that the test does not represent conditions likely to be found in service, and the use of test data
should be restricted to comparing materials chiefly on a relative basis in broad categories of breakthrough times.
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- BS EN 467-1995 防护服.防液体化学药品腐蚀.为人体各部分提供防护的服装的性能要求
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发布日期:1995-10-15
实施日期:1995-10-15
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- BS EN 374-2-2003 耐化学腐蚀和微生物的防护手套.第2部分:耐渗透性的测定
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发布日期:2003-09-16
实施日期:2003-09-16
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简介:This European Standard specifies a test method for the penetration resistance of gloves that protect against chemicals and/or micro-organisms.
At this time it is believed that gloves which resist penetration, when tested according to this Part of EN 374, will form an effective barrier to micro-biological hazards.
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- SJ 2355.3-1983 半导体发光器件测试方法 反向电流的测试方法
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发布日期:1983-08-15
实施日期:1984-07-01
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简介:
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- 很杂很杂的杂学知识:拿得起放不下的学问书.pdf
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- BS EN 12487-2007 金属的腐蚀防护.铝和铝合金上经清洗和未清洗的铬酸盐转化涂层
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发布日期:2007-05-31
实施日期:2007-05-31
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简介:This European Standard specifies requirements for rinsed and non-rinsed chromate conversion coatings on
aluminium and aluminium alloys intended to protect against corrosion and serve as a base for other coatings.