MIL-N-45938A

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MIL-N-45938A, MILITARY SPECIFICATION: NUT, PLAIN, CLINCH AND NUT, SELF-LOCKING, CLINCH, GENERAL SPECIFICATION FOR (28 MAR 1995) [S/S BY NASM45938]., This specification covers the requirements for nuts which are permanently attached to a structure by pressing the nut shank or collar into a single hole. Anti-rotation and push-out resistance results from cold flow of the structure material into the shank or collar of the nut, or the flaring over the nut shank.
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【英文标准名称】:Plastics-Determinationofresistancetoenvironmentalstresscracking(ESC)-Constanttensiledeformationmethod
【原文标准名称】:塑料.耐环境应力开裂(ESC).恒定拉伸变形方法
【标准号】:BSENISO22088-5-2009
【标准状态】:现行
【国别】:英国
【发布日期】:2009-07-31
【实施或试行日期】:2009-07-31
【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】:裂纹检验;裂开;定义(术语);测定;环境条件;环境影响;环境应力开裂;材料测试;塑料;撕裂试验;应变;应力裂纹特性;应力断裂;应力裂纹;拉伸应变;试验设备;试样;测试;测试条件;热塑性的;热塑性聚合物
【英文主题词】:Cracktests;Cracking;Definitions;Determination;Environmentalcondition;Environmentaleffect;Environmentalstresscracking;Materialstesting;Plastics;Splittingtests;Strain;Stresscrackingbehaviour;Stresscrackings;Stresscracks;Stretchingstrain;Testequipment;Testspecimens;Testing;Testingconditions;Thermoplastic;Thermoplasticpolymers
【摘要】:ThispartofISO22088specifiesamethodforthedeterminationoftheenvironmentalstresscracking(ESC)behaviourofthermoplasticswhentheyaresubjectedtoaconstanttensiledeformationinthepresenceofachemicalmedium.Itisapplicabletotestspecimenspreparedbymouldingand/ormachiningandcanbeusedfortheassessmentoftheESCbehaviourofplasticmaterialsexposedtodifferentenvironments,aswellasforthedeterminationoftheESCbehaviourofdifferentplasticmaterialsexposedtoaspecificenvironment.Thisisessentiallyarankingtestandisnotintendedtoprovidedatatobeusedfordesignorperformanceprediction.
【中国标准分类号】:G31
【国际标准分类号】:83_080_01
【页数】:16P.;A4
【正文语种】:英语


【英文标准名称】:Fibreopticisolators-Part1:Genericspecification
【原文标准名称】:纤维光学隔离器第1部分:总规范
【标准号】:IEC61202-1-2000
【标准状态】:作废
【国别】:国际
【发布日期】:2000-01
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC86B
【标准类型】:()
【标准水平】:()
【中文主题词】:绝缘子;电气工程;环境要求;机械性能;力学;工作性能;分类;测量技术;质量;质量要求;特性;玻璃纤维电缆;光波导;规范;总规范;光学的;试验;规范(验收)
【英文主题词】:Classification;Electricalengineering;Environmentalrequirements;Genericspecification;Glassfibrecables;Insulators;Measuringtechniques;Mechanic;Mechanicalproperties;Optical;Opticalwaveguides;Performanceinservice;Properties;Quality;Qualityrequirements;Specification;Specification(approval);Testing
【摘要】:ThispartofIEC61202appliestoisolatorsusedinthefieldoffibreoptics,allexhibitingthefollowingfeatures:-theyarenon-reciprocalopticaldevices,inwhicheachportiseitheranopticalfibreoropticalfibreconnector;-theyarepassivecomponentscontainingnoopto-electronicorothertransducingelements;-theyhavetwoopticalportsfordirectionallytransmittingopticalpower.Thisstandardestablishesuniformrequirementsforthefollowingpoints:-fibreopticisolatorrequirements;-qualityassessmentprocedures.
【中国标准分类号】:M33
【国际标准分类号】:33_180_99
【页数】:53P.;A4
【正文语种】:英语