Standard Specification for Seamless Copper Pipe, Standard Sizes
2020年4月15日 · This specification covers seamless copper pipe in all nominal standard pipe sizes, both regular and extra-strong, suitable for use in plumbing, boiler feed lines, and for …
ASTM B42-20-- - 道客巴巴
2023年8月4日 · Referenced Documents2.1 ASTM Standards: 4B153 Test Method for Expansion (Pin Test) of Copper andCopper-Alloy Pipe and TubingB170 Specif i cation for Oxygen-Free …
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ASTM Compass® 可让您的整个组织全天候访问所需的所有 ASTM 内容，并提供强大的工作流程工具，帮助您比以往更有效地查找和使用标准。 通过一个便捷的平台，您可以访问为贵组织 …
In all cases only the current version of the standard as published by ASTM is to be considered the official document. This standard is issued under the fixed designation D642; the number …
RCSB PDB - 6B42: Human Histidine Triad Nucleotide Binding …
Nucleotide analogues that incorporate a metabolically labile nucleoside phosphoramidate (a ProTide) have found utility as prodrugs. In humans, ProTides can be cleaved by human …
6B42
Hot Dip Mill-Galvanized steel (ASTM-A-653-G90 CS) is zinc coated by a hot dip process Generally used indoors or in locations not exposed to the elements or corrosives. Corrugations …
ASTM D642-15 集装箱、部件和单位荷载抗压强度的测定--中英文 …
2021年6月8日 · 该程序可用于测量容器抵抗施加在其表面、对角边缘或角落的外部压缩载荷的能力（图 1 和图 2）。 本试验方法包括多个集装箱或单位货物的试验，以及单个集装箱、组件、 …
1.1 This test method covers compression tests on shipping containers (for example, boxes and drums) or components, or both. Shipping containers may be tested with or without contents.
ASTM D642：包装抗压强度测试的权威标准 - 知乎 - 知乎专栏
ASTM D642 是 美国材料与试验协会 （ASTM）制定的一项重要标准，全称为《包装抗压强度的标准测试方法》（Standard Test Method for Determining Compressive Resistance of Shipping …
ASTM D 642 - 道客巴巴
2020年9月1日 · Signif i cance and Use4.1 Compressive resistance is one of the properties used toevaluate the ability of shipping containers, components, andunit loads to successfully survive …