MIL-STD-419B, MILITARY STANDARD: CLEANING, PROTECTING, AND TESTING PIPING, TUBING, AND FITTINGS FOR HYDRAULIC POWER TRANSMISSION EQUIPMENT (24 FEB 1975) [MIL-STD-00419B USED IN LIEU OF MIL-STD-419A]., This standard cover. the requirements governing the basic methods of cleaning and protecting nonferrous and ferrous metal and alloyed pipe, tubing, and fittings prior to installation and after hydraulic tests in hydraulic power transmission applications.This standard is applicable to hydraulic components used in systems filled with either petroleum oil or a phosphate ester type fluid.
基本信息
标准名称: | 灌溉用低压输水混凝土管技术条件 SL/T 98-1994 |
英文名称: | Technical requirement of plain concrete pipe for low pressure water conveyance in irrigation system |
中标分类: |
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发布日期: | 1900-01-01 |
实施日期: | 1994-09-01 |
首发日期: | 1900-01-01 |
作废日期: | 2006-08-30 |
出版日期: | 1900-01-01 |
页数: | 12页 |
适用范围
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引用标准
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所属分类:
【英文标准名称】:Acid-gradeandceramic-gradefluorspar;determinationofsilicacontent;reduced-molybdosilicatespectrometricmethod
【原文标准名称】:酸性和陶瓷性荧石硅含量的测定还原硅钼酸盐光谱法
【标准号】:ISO5438-1993
【标准状态】:作废
【国别】:国际
【发布日期】:1993-04
【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/TC175
【标准类型】:()
【标准水平】:()
【中文主题词】:光谱测定法;萤石;含量测定;二氧化硅;矿物;化学分析和试验;陶瓷工业
【英文主题词】:Ceramicindustry;Chemicalanalysisandtesting;Determinationofcontent;Fluorspar;Minerals;Silicondioxide;Spectrometry
【摘要】:Themethodspecifiedisbasedondecompositionofatestportionbyfusionwithsodiumcarbonateandsubsequentacidificationwithhydrochloricacidinthepresenceofboricacidtocomplexfluoride,formationofthemolybdosilicicacidcomplexandselectivereductiontothebluemolybdosilicicacidcomplexwithadditionoftartaricacidtopreventinterferencefromphosphate,spectrometricmeasurementoftheabsorbanceofthecolouredcomplexatthewavelengthofmaximumabsorption(about795nm).Appliestoproductshavingsilicacontents,expressedasSiO,intherange0,05%(m/m)to4,0%(m/m).
【中国标准分类号】:D52
【国际标准分类号】:73_080;81_060_10
【页数】:5P;A4
【正文语种】:英语