MIL-HDBK-103AB
作者:标准资料网 时间:2024-05-12 06:49:08 浏览:9915
来源:标准资料网
MIL-HDBK-103AB, DEPARTMENT OF DEFENSE HANDBOOK: LIST OF STANDARD MICROCIRCUIT DRAWINGS (19 MAR 2008)., The Standard Microcircuit Drawing Program (SMDP) is directly under the auspices of the DoD Parts Management Program (PMP). The PMP is implemented by MIL-HDBK-512, "Parts Management." The PMP will be the avenue for screening candidate parts for the SMDP by the DSCC Military Parts Control Advisory Group (MPCAG).
【英文标准名称】:Concreteroofingtilesandfittings;testmethods;GermanversionEN491:1994
【原文标准名称】:屋顶水泥瓦和配件.试验方法
【标准号】:DINEN491-1994
【标准状态】:作废
【国别】:德国
【发布日期】:1994-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:符号;试验;定义;混凝土;施工材料;混凝土块;施工;屋顶层;石;屋面瓦;模制砖
【英文主题词】:mass;roofs;roofcoverings;symbols;strengthofmaterials;construction;roofingtiles;definition;concretes;constructionmaterials;frostresistance;testing;waterproofness;width;stone;mouldedbricks;flatne
【摘要】:
【中国标准分类号】:Q14
【国际标准分类号】:91_100_30
【页数】:12P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforDicumylPeroxide,Assay(LiquidChromatography)
【原文标准名称】:用液体色谱法作过氧化二异丙苯化验的测试方法
【标准号】:ASTME755-1994(2003)
【标准状态】:现行
【国别】:
【发布日期】:1994
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E15.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:分析;药液;检定;液相色谱法;过氧化物
【英文主题词】:assay;dicumylperoxide;HPLC;liquidchromatography;peroxides
【摘要】:Thistestmethodprovidesameansfordeterminingthepercentofdicumylperoxideintechnicalandrefinedgradesofthismaterial.Thistestmethodisspecificfordicumylperoxide.Nointerferenceisencounteredfromdimethylbenzylalcohol,acetophenone,orotherminorimpuritiesnormallyassociatedwithcommercialdicumylperoxide.1.1Thistestmethodcoverstheassayofdicumylperoxideincommerciallyavailablerefinedgradesofdicumylperoxide.Technicalgradescanalsobeassayed,providedthatimpuritiesthatinterferechromatographicallyareabsent(seeNote1).Thesematerialsnominallycontainapproximately99and92%ofdicumylperoxide,respectively.Note18212;Intheassayoftechnicalgradedicumylperoxide,errorsarepossibleiftheproductcontainsanimpuritythateluteswiththesameretentiontimeastheinternalstandard.Achromatogramobtainedunderthetestconditionsminustheinternalstandardwilldeterminewhetheraninterferencesituationexistsintheassayofaparticulartechnicalgradeproduct.Ifanimpurityisnoted,anditsretentiontimeisslightlydifferentfromthatoftheinternalstandard,theinterferencecanoftenbeeliminatedbytheuseofacolumnknowntohaveahighplatecount.1.2Reviewthecurrentmaterialsafetydatasheets(MSDS)fordetailedinformationconcerningtoxicity,firstaidprocedures,andsafetyprecautions.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection7.
【中国标准分类号】:G17
【国际标准分类号】:71_080_99
【页数】:4P.;A4
【正文语种】: