Product Code:SAE MA3375 Title:Studs, Corrosion and Heat Resistant Steel, UNS S66286 Tensile Strength 900 MPa, Procurement Specification, Metric Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems Scope: This document covers metric studs made from a corrosion and heat resistant, age hardenable iron base alloy of the type identified under the Unified Number System as UNS S66286. The following specification designations and their properties are covered: MA3375 900 MPa minimum ultimate tensile strength at room temperature; MA3375-1 900 MPa minimum ultimate tensile strength at room temperature, 480 MPa stress-rupture strength at 650 掳C; MA3375-2 900 MPa minimum ultimate tensile strength at room temperature, 590 MPa minimum ultimate shear strength at room temperature. Two types of studs are covered as follows: Type I - studs with stud end thread having special oversize pitch diameter and lead thread with undersize pitch diameter, while nut end thread is standard size; and Type II - studs with stud end thread and nut end thread standard size.【英文标准名称】:Cosmetics-Microbiology-Enumerationanddetectionofaerobicmesophilicbacteria 【原文标准名称】:化妆品.微生物学.好氧嗜温菌的计数和检测 【标准号】:BSENISO21149-2009 【标准状态】:现行 【国别】:英国 【发布日期】:2006-04-28 【实施或试行日期】:2006-04-28 【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】:好气菌;细菌纲;细菌计数方法;化学分析和试验;化学试剂;化妆品;计数方法(微生物学);培养基;培养(生物);定义;保健;卫生学;调查;嗜温菌;微生物分析;微生物学;性能 【英文主题词】:Aerobicbacteria;Bacteria;Bacteriacountmethods;Chemicalanalysisandtesting;Chemicalreagents;Cosmetics;Countmethods(microbiology);Culturemedia;Cultures(biology);Definitions;Healthprotection;Hygiene;Investigations;Mesophiles;Microbiologicalanalysis;Microbiology;Properties 【摘要】:ThisInternationalStandardgivesgeneralguidelinesforenumerationanddetectionofmesophilicaerobicbacteriapresentincosmetics,Becauseofthelargevarietyofcosmeticproductswithinthisfieldofapplication,thismethodmaynotbeappropriateforsomeproductsineverydetail(e.g.certainwaterimmiscibleproducts).Othermethods(e.g.automated)maybesubstitutedforthetestspresentedhereprovidedthattheirequivalencehasbeendemonstratedorthemethodhasbeenotherwisevalidated.Ifneeded,microorganismsenumeratedordetectedmaybeidentifiedusingsuitableidentificationtestsdescribedinthestandardsgivenintheBibliography.Inordertoensureproductqualityandsafetyforconsumers,itisadvisabletoperformanappropriatemicrobiologicalriskanalysis,soastodeterminethetypesofcosmeticproductstowhichthisInternationalStandardisapplicable.Productsconsideredtopresentalowmicrobiologicalriskincludethosewithlowwateractivity,hydro-alcoholicproducts,extremepHvalues,etc. 【中国标准分类号】:Y42 【国际标准分类号】:07_100_99;71_100_70 【页数】:32P.;A4 【正文语种】:英语