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MIL-HDBK-7B, MILITARY HANDBOOK: LUMBER AND ALLIED PRODUCTS (6 AUG 1982)., lumber and wood products normally procured in considerable quantity for Department of Defense installations. Engineers are particular directed to the chapters dealing with strength of wood, preservative treatment, and moisture c o n t e n t . The chapters dealing with storage handling, tallying, inspection, grading, and sizes were written with the problems of inspectors, stock handlers, and supply clerks in mind. All of these chapters prove useful to the requisition writer by providing references useful in determining which species, q u a l i t i e s , and sizes of lumber, plywood, poles, railroad ties, and other wood products are usable for a given end use. This handbook also provides ready reference to the physical and mechanical properties of lumber products and the conditions of use that require special treatment with preservatives, fire r e t a r d a n t s , or special surfacing and machining. It is the primary purpose of this handbook to provide the kind of background information needed in making necessary decisions on all such problems. This type of information is not readily available elsewhere in a form directly related to supply problems involving lumber and allied products. To the extent that this handbook achieves its primary purpose, it is believed that important economies can be effected, greater assurance secured that the needed species, q u a l i t i e s , q u a n t i t i e s , and sizes will be received, and requisitioning procedures f a c i l i t a t e d . The handbook also has as part of its purpose to provide information on the handling, storage, and use of wood products to the end that better service will be obtained at less cost. The large quantities of wood products normally required by the various branches of the Department of Defense make economy of use just as essential as economical procurement; failure in the one can quickly offset any gains realized through success in the other. Moreover, proper handling, storage, and use are essential in the interest of conservation of the forest resources.

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基本信息
标准名称:硅衬底上绝缘体薄膜厚度及折射率的椭圆偏振测试方法
发布部门:中华人民共和国工业和信息化部
发布日期:2012-11-07
实施日期:2013-03-01
首发日期:
作废日期:
出版社:中国标准出版社
出版日期:2013-03-01
适用范围

本方法规定了用椭圆偏振测试方法测量生长或沉积在硅衬底上的绝缘体薄膜厚度及折射率的方法。
本方法适用于薄膜对测试波长没有吸收和衬底对测试波长处不透光、且已知测试波长处衬底折射率和消光系数的绝缘体薄膜厚度及折射率的测量。对于非绝缘体薄膜,满足一定条件时,方可采用本方法。

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所属分类: 能源 核技术 能源 核技术综合 技术管理 能源和热传导工程 能源和热传导工程综合
基本信息
标准名称:BB-1A型"O"型返波管
英文名称:O-type backward wave oscillators,Type BB-1A
中标分类: 综合 >> 标准化管理与一般规定 >> 技术管理
发布日期:1980-03-15
实施日期:1980-10-01
首发日期:1900-01-01
作废日期:2010-01-20
出版日期:1900-01-01
页数:10页
适用范围

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前言

没有内容

目录

没有内容

引用标准

没有内容

所属分类: 综合 标准化管理与一般规定 技术管理