DIN 50438 T.1-1978 无机半导体材料的检验.用红外线吸收法测量硅中杂质含量.氧
作者:标准资料网 时间:2024-05-20 23:20:34 浏览:8606
来源:标准资料网
【英文标准名称】:Testingofsemi-conductiveinorganicmaterials;determinationofimpuritycontentinsiliconbyinfraredabsorption,oxygen
【原文标准名称】:无机半导体材料的检验.用红外线吸收法测量硅中杂质含量.氧
【标准号】:DIN50438T.1-1978
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:
Product Code:SAE AS4786
Title:Driver Drills, Battery Powered
Issuing Committee:Eg-1b Hand Tools Committee
Scope:This SAE Aerospace Standard (AS) covers variable speed, reversible battery powered drills with removable, rechargeable battery pack and either 3/8 inch or 陆 inch chuck used for general maintenance and construction where a battery powered tool is required. This document also satisfies EMI requirements for driver drills, where EMI suppression is required by the purchaser.This document may involve hazardous materials, operations, or equipment and does not purport to address all of the safety considerations associated. It is the responsibility of the user of a piece of equipment to establish appropriate safety and health practices and to determine the applicability of regulatory limitations prior to its use. Users are cautioned to read all manufacturer鈥檚 instructions prior to use.【英文标准名称】:Geotextilesandgeotextile-relatedproducts-Screeningtestmethodfordeterminingtheresistancetoliquids
【原文标准名称】:土工布及相关产品抗液体性测定用筛选试验方法
【标准号】:ISO/TR12960-1998
【标准状态】:现行
【国别】:国际
【发布日期】:1998-11
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC38
【标准类型】:()
【标准水平】:()
【中文主题词】:浸渍试验;液压稳定性;土工织物;高温试验;耐化学性;试验
【英文主题词】:Chemicalresistance;Geotextiles;High-temperaturetesting;Hydrolyticstability;Immersiontests;Testing
【摘要】:Thisstandardspecifiesmethodsforscreeningtheresistanceofgeotextileproductstoliquidswhilenotsubjectingthemtoexternalmechanicalstress.Thestandardisapplicabletoallgeotextilesandgeotextilerelatedproducts.NOTE:Thisstandardonlyconsidersconditionswherethespecimensarefullyimmersedintheliquids.Thoughoutsidethescopeofthisstandard,thetestconditionsmaybemodifiedtoaccommodateparticularapplications,eggaseousmedia.Thisstandarddoesnotprecludeusefortestspecimensthatarepre-treatedbysomemethod,e.g.byweathering,aqueousextractionconditionsorinstallationdamage.
【中国标准分类号】:W59
【国际标准分类号】:59_080_70
【页数】:6P.;A4
【正文语种】:英语