热门站点| 世界资料网 | 专利资料网 | 世界资料网论坛
收藏本站| 设为首页| 首页

MIL-HDBK-828

作者:标准资料网 时间:2020-08-09 14:19:40  浏览:8103   来源:标准资料网
下载地址: 点击此处下载

MIL-HDBK-828, MILITARY HANDBOOK: LASER RANGE SAFETY (15 APR 1993)., The purpose of this handbook is to provide uniform guidance in evaluations for the safe use of military lasers and laser systems on DoD military reservations or military-controlled areas worldwide.

下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforBurstingStrengthofTextiles-Constant-Rate-of-Traverse(CRT)BallBurstTest
【原文标准名称】:针织品的破裂强度用标准试验方法.横向恒速移动(CRT)球破裂试验
【标准号】:ASTMD3787-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D13.59
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:破裂强度;布;针织服装;测试;纺织测试;纺织物
【英文主题词】:burstingstrength;knittedfabric;nonwovenfabric
【摘要】:Thistestmethodforthedeterminationofballburstingstrengthoftextilesisbeingusedbythetextileindustryfortheevaluationofawidevarietyoffabrics.TestresultsobtainedusingtheproceduresinTestMethodD3787havenotbeencorrelatedwithactualperformance.TestMethodD3787isconsideredsatisfactoryforacceptancetestingofcommercialshipmentsoftextilesfabricsforburstingstrengthsincethemethodhasbeenusedextensivelyinthetradeforacceptancetesting.IncasesofdisagreementarisingfromdifferencesinvaluesreportedbythepurchaserandthesellerwhenusingTestMethodD3787foracceptancetesting,thestatisticalbias,ifany,betweenthelaboratoryofthepurchaserandthelaboratoryofthesellershouldbedeterminedwithcomparisonbasedontestingspecimensrandomlydrawnfromonesampleofmaterialofthetypebeingevaluated.Note28212;Thekindforcetransferandstrengththatoccurwhenknittedgoodsarewornispreventedbyclampingthemasdirectedinthistestmethod.5.2.1Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwo(ormore)laboratories,comparativetestsshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem.Thetestsamplesusedshouldbe:ashomogeneousaspossible,drawnfromthematerialfromwhichthedisparatetestresultswereobtained,andrandomlyassignedinequalnumberstothelaboratoriesfortesting.Othermaterialswithestablishedtestvaluesmaybeusedforthispurpose.Thetestresultsfromthetwolaboratoriesshouldbecomparedusingastatisticaltestforunpaireddataataprobabilitylevelchosenpriortothetestingseries.Ifabiasisfound,eitherthecausemustbedeterminedandcorrectedorfuturetestresultsmustbeadjustedinconsiderationofknownbias.1.1Thistestmethoddescribesthemeasurementforburstingstrengthwithaballburststrengthtesteroftextilesorgarmentsthatexhibitahighdegreeofultimateelongation.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasthestandard.Withinthetest,theinch-poundunitsareshowninparenthesis.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmaybeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewithinthespecification.Note1Forthemeasurementofburstingstrengthwithahydraulictestingmachine,refertoTestMethodD3786.Thisstandardmayinvolvehazardousmaterials,operationsandequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W63
【国际标准分类号】:59_080_30
【页数】:3P.;A4
【正文语种】:


【英文标准名称】:Unshapedrefractoryproducts-Part7:testsonpre-formedshapes.
【原文标准名称】:不定型耐火制品.第7部分:预成形型材的试验
【标准号】:NFB40-009-7-2004
【标准状态】:现行
【国别】:法国
【发布日期】:2004-06-01
【实施或试行日期】:2004-06-05
【发布单位】:法国标准化协会(AFNOR)
【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】:Q46
【国际标准分类号】:81_080
【页数】:23P;A4
【正文语种】:其他



版权声明:所有资料均为作者提供或网友推荐收集整理而来,仅供爱好者学习和研究使用,版权归原作者所有。
如本站内容有侵犯您的合法权益,请和我们取得联系,我们将立即改正或删除。
京ICP备14017250号-1