ASTM D 5539-1994 种子初始混合标准规范
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【英文标准名称】:StandardSpecificationforSeedStarterMix
【原文标准名称】:种子初始混合标准规范
【标准号】:ASTMD5539-1994
【标准状态】:现行
【国别】:美国
【发布日期】:1994
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:萌芽;最初的种子;种子初始混合;园艺学;秧苗;泥炭;土壤
【英文主题词】:horticulture;peat;germination;seedstarter;seedstartermix;seedlings;soil
【摘要】:
【中国标准分类号】:B21
【国际标准分类号】:65_020_20
【页数】:
【正文语种】:英语
【英文标准名称】:Balancingmachines;Descriptionandevaluation
【原文标准名称】:平衡机械.描述和评定
【标准号】:ISO2953-1975
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【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】:
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:StandardGuideforControlofHazardsandRisksinOxygenEnrichedSystems
【原文标准名称】:控制氧浓缩系统危害的标准指南
【标准号】:ASTMG128-2002(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:G04.02
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:adiabaticcompression;autoignition;barriers;cleaning;combustion;compressionheating;contamination;explosion;fire;flammability;GOX;ignition;liquidoxygen;LOX;materialevaluation;materialselection;oxygen;oxygencompatibility
【摘要】:Thepurposeofthisguideistointroducethehazardsandrisksinvolvedwiththehandlingofoxygen,cautioningthereaderaboutthelimitationsofpresentpracticesandtechnologyandaboutcommonhazardsthatoftenareoverlooked.ItthenprovidesanoverviewofthestandardsproducedbyASTMCommitteeG-4andtheiruses,aswellassimilardocumentsavailablefromotherknowledgeablesources.Itdoesnothighlightstandardtestmethodsthatsupporttheuseofthesepracticesfromthisorothercommittees.Thestandardsdiscussedherefocusonreducingthehazardsandrisksassociatedwiththeuseofoxygen.Ingeneral,theyarenotdirectlyapplicabletoprocessreactorsinwhichthedeliberatereactionofmaterialswithoxygenissought,asinburners,bleachers,orbubblers.OtherASTMCommitteesandproducts(suchastheCHETAHprogram)andotheroutsidegroupsaremorepertinentforthese.Thisguideisnotintendedasaspecificationtoestablishpracticesforthesafeuseofoxygen.Thedocumentsdiscussedheredonotpurporttocontainalltheinformationneededtodesignandoperateanoxygensystemsafely.Thecontrolofoxygenhazardshasnotbeenreducedtohandbookprocedures,andthetacticsforusingoxygenarenotunique.Rather,theyrequiretheapplicationofsoundtechnicaljudgementandexperience.Oxygenusersshouldobtainqualifiedtechnicalexpertisetodesignsystemsandoperatingpracticestoensurethesafeuseofoxygenintheirspecificapplications.1.1ThisguidecoversanoverviewoftheworkofASTMCommitteeG-4onCompatibilityandSensitivityofMaterialsinOxygen-EnrichedAtmospheres.Itisastartingpointforthoseaskingthequestion:x201C;Arethereanyproblemsassociatedwithmyuseofoxygen?x201D;Anintroductiontotheuniqueconcernsthatmustbeaddressedinthehandlingofoxygen.Theprincipalhazardistheprospectofignitionwithresultantfire,explosion,orboth.Thishazardrequiresdesignconsiderationsbeyondthosethatapplytoallsystems,suchasadequatestrength,corrosionresistance,fatigueresistance,andpressuresafetyrelief.1.2Thisguidealsolistsseveraloftherecognizedcausesofoxygensystemfiresanddescribesthemethodsavailabletopreventthem.Sourcesofinformationabouttheoxygenhazardanditscontrolarelistedandsummarized.TheprincipalfocusisonGuidesG63,G88,PracticeG93,andGuideG94.Usefuldocumentationfromotherresourcesandliteratureisalsocited.Note18212;Thisguideisanoutgrowthofanearlier(1988)CommitteeG-4videotapeadjunctentitledOxygenSafetyandarelatedpaperbyKochthatfocusedontherecognizedignitionsourceofadiabaticcompressionasoneofthemoresignificantbutoftenoverlookedcausesofoxygenfires.Thisguiderecapitulatesandupdatesmaterialinthevideotapeandpaper.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.ForspecificprecautionarystatementsseeSections8and11.Note28212;ASTMtakesnopositionrespectingthevalidityofanyevaluationmethodsassertedinconnectionwithanyitemmentionedinthisguide.Usersofthisguideareexpresslyadvisedthatdeterminationofthevalidityofanysuchevaluationmethodsanddataandtheriskofuseofsuchevaluationmethodsanddataareentirelytheirownresponsibility.......
【中国标准分类号】:A21
【国际标准分类号】:19_040
【页数】:15P.;A4
【正文语种】:英语
