NF P98-341-2003 室外铺路用天然厚石板.要求和试验方法

上一篇: NF P18-661-1-2003 钢筋石.第1部分:规范
下一篇: NF P98-342-2003 室外铺路用天然条石.要求和试验方法

Product Code:SAE ARP461
Title:Synchros
Issuing Committee:A-4 Aircraft Instruments Committee
Scope:In order to ease the equipment design engineer's problem and at the same time provide a basis for comparing measurements by manufacturer and user this recommended practice sets up standard test procedures for acceptance testing. These conditions and the basic tests to which the characteristics refer are grouped in Section 2 and compose a complete list of defining characteristics of the synchro. Specifications written around synchros have specified certain necessary characteristics for production acceptance testing, such as null voltage and accuracy, under test conditions and techniques that are mainly and properly concerned with accuracy and the shortest possible test time. These characteristics are inherently degraded when the synchro is operating for a period of time at other than room temperature. In synchros this degradation is a factor of high importance

标准名称：	耕地后备资源调查与评价技术规程
英文名称：	Standards of surveying and evaluating reserved land resource for cultivatoin
中标分类：	农业、林业 >> 农业、林业综合 >> 基础标准与通用方法
发布部门：	中华人民共和国国土资源部
发布日期：	2003-04-08
实施日期：	2003-08-01
首发日期：	1900-01-01
作废日期：	1900-01-01
出版日期：	1900-01-01
页数：	平装16开， 页数：34， 字数：63千字

本规程规定了耕地后备资源调查与评价的内容、程序、方法及要求。本规程适用于县级耕定后备资源调查评价，地（市）级和省级耕地后备资源调查评价成果汇总。

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