【英文标准名称】:Informationtechnology-OpenSystemsInterconnection-Testsuitestructureandtestpurposes
【原文标准名称】:信息技术.开放式系统互连.试验序列结构和试验目的
【标准号】:BSISO/IEC10739-1-1995
【标准状态】:现行
【国别】:英国
【发布日期】:1995-02-15
【实施或试行日期】:1995-02-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:数据传输;数据传输控制规程;协议;信息交流;数据传送;数据处理;开放系统互连;通信规程;认可试验
【英文主题词】:Communicationprocedures;Dataprocessing;Definitions;EDP;Informationexchange;Informationinterchange;Informationtechnology;Networkinterconnection;Opensystemsinterconnection;OSI;Tests;Virtualterminals
【摘要】:SpecifiesatestsuitestructureandtestpurposesforthewholeoftheBCVTprotocolasdefinedinISO9041.SpecifiestherelationshipbetweentheelementsofthetestsuitestrctureandtheProtocolImplementationConformanceStatement.Doesnotspecifyhowconformancetestsaretoberealisedorusednorhowthetestresultsaretobepresentedorused.Doesnotincludeageneralassessmentofperformance,reliabilityorrobustnessofrelevantprotocolimplementations,noranassessmentofthedesignoftheprotocolitself.
【中国标准分类号】:L79
【国际标准分类号】:35_100_70
【页数】:154P.;A4
【正文语种】:英语
基本信息
标准名称: | 饲料添加剂烟酰胺 |
英文名称: | Feed additive--Nicotinamide |
中标分类: |
农业、林业 >>
畜牧 >>
畜禽饲料与添加剂 |
ICS分类: |
农业 >>
饲料
|
替代情况: | 被GB/T 7301-2002代替 |
发布日期: | 1987-02-25 |
实施日期: | 1900-01-01 |
首发日期: | 1900-01-01 |
作废日期: | 2003-03-01 |
出版日期: | 1900-01-01 |
页数: | 4页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类: 农业 林业 畜牧 畜禽饲料与添加剂 农业 饲料
【英文标准名称】:StandardTestMethodforMeasurementofCoatingThicknessbyX-RaySpectrometry
【原文标准名称】:用X射线光度法测量镀层厚度的标准试验方法
【标准号】:ASTMB568-1998(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【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】:B08.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:absorption;collimator;emission;filter;ratio;X-ray;Performance--metals/alloysmaterials/applications;Radiationexposure;Substrates--coatingapplications;Surfaceanalysis--electrodeposits/electroplating;Thickness--electrodepositedcoatings;XRF(X
【摘要】:Thisisasensitive,noncontact,andnondestructivemethodformeasuringthecoatingthickness(andinsomecases,coatingcomposition)ofmetallicandsomenonmetalliccoatingsoverarangeofthicknessesfromaslittleas0.01x03BC;mtoasmuchas75x03BC;mdependingonthecoatingandsubstratematerials.Itcanbeusedtomeasurecoatingandbasecombinationsthatarenotreadilymeasuredbyothertechniques.Thecoatingthicknessisanimportantfactorintheperformanceofacoatinginservice.1.1ThistestmethodcoverstheuseofX-rayspectrometrytodeterminethicknessofmetallicandsomenonmetalliccoatings.1.2ThemaximummeasurablethicknessforagivencoatingisthatthicknessbeyondwhichtheintensityofthecharacteristicsecondaryXradiationfromthecoatingorthesubstrateisnolongersensitivetosmallchangesinthickness.1.3Thistestmethodmeasuresthemassofcoatingperunitarea,whichcanalsobeexpressedinunitsoflinearthicknessprovidedthatthedensityofthecoatingisknown.1.4ProblemsofpersonnelprotectionagainstradiationgeneratedinanX-raytubeoremanatingfromaradioisotopesourcearenotcoveredbythistestmethod.Forinformationonthisimportantaspect,referenceshouldbemadetocurrentdocumentsoftheNationalCommitteeonRadiationProtectionandMeasurement,FederalRegister,NuclearRegulatoryCommission,NationalInstituteofStandardsandTechnology(formerlytheNationalBureauofStandards),andtostateandlocalcodesifsuchexist.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:17_040_20
【页数】:8P.;A4
【正文语种】:英语