【英文标准名称】:StandardGuideforConductingStatic,Axenic,14-DayPhytotoxicityTestsinTestTubeswiththeSubmersedAquaticMacrophyte,MyriophyllumsibiricumKomarov
【原文标准名称】:在装有浸入式水生大型植物狐尾藻属SIBIRICUM蜀试验管里进行静态、无菌和14日植物毒性试验的标准指南
【标准号】:ASTME1913-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:E47.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:试验;水;静力学;毒性;试管;植物毒性;生物试验
【英文主题词】:aquatictoxicitytesting;Myriophyllumsibiricum;phytotoxicitytest;submersedaquaticmacrophyte
【摘要】:1.1Submersedrootedaquaticmacrophytesareimportantcomponentsofaquaticsystems.Theycontributetoprimaryproductivity,improvewaterquality,cyclenutrients,generateoxygen,affectflowpatterns,providehabitatandfoodforotherorganisms,andstabilizethesediment.Theseplantscanbeadverselyaffectedwhenpesticidesaresprayedtocontrolaquaticweedsandalgalbloomsorwhenphytotoxicchemicalsenterthewaterwaythroughatmosphericfallout,soilerosion,industrialeffluent,sewagedischarge,spillsordriftfromaerialorgroundapplications.1.2Thisguideisdesignedtogiveguidanceforassessingthepotentialphytotoxicityofatestmaterialaddedtoasterileliquidgrowthmediumonacertainspeciesoffreshwatersubmersedmacrophyte(MyriophyllumsibiricumKomarov)duringa14-daystaticexposure.Asterilesystemisrecommendedtodeterminethedirecteffectofthetestchemicaluponindividualparametersofthesubmersedmacrophyte.Overallenvironmentalimpactcannotbedirectlydetermined.Theseprocedurescouldpossiblybeusefulforconductingtoxicitytestswithotherspeciesofsubmersedmacrophytes,althoughmodificationsmightbenecessary().1.3Theproceduresinthisguideareapplicabletomostchemicals,eitherindividuallyorinformulations,commercialproducts,orknownmixtures.Theseproceduresmightbeusedtoconducttestsfordependencyontemperature,light,nutrientsandpH.Withappropriatemodification,theseproceduresmightbeusedtoconducttestsforcontaminatedsurfacewatersandaqueouseffluents(seeGuideE1192).Thisstatic,axenictoxicitytestmightnotbeapplicabletomaterialsthatcontainmicroorganismsunlessthesamplecanbefiltersterilizedwithoutremovingthetoxicant.Ifthetestmaterialsarehighlyvolatile,careshouldbetakentoensurethatthetestchambersareisolated.Itmightbenecessarytoreplacethetestmaterialonaregularbasisifthetestmaterialisrapidlybiologicallyorchemicallytransformedinaqueoussolution,orisremovedfromthetestsolutionsinsubstantialquantitiesbythetestchambersororganismsduringthetest.Thistoxicitytestisnotsuitablefortestinginteractionsbetweenaquaticplantsandotherorganisms,suchasplantpathogens.1.4Resultsfromthetoxicitytestoutlinedinthisguidecanbereportedintermsofa14-dayIC25,IC50,orNOEC.Thisparametermaybebasedonseveralendpointsincludinginhibitionofplantgrowthduringthe14-dayperiod,inhibitionofshootlength,inhibitionofrootnumberandlength,inhibitionoffreshordryweight(seeGuideE1415),inhibitionofoxygenproduction,changeinmembranepermeability,andchangeinchlorophylla,chlorophyllbandcarotenoidcontentextractedfromsectionsoftheplants(seePracticeD3731andGuideE1218),().Allorsomeoftheseendpointparametersmaybeexamineddependinguponthemodeofphytotoxicactionorresearcherpreference.Itmightbenecessarytoconductthetoxicitytestatonlyoneconcentrationtodeterminewhetherornotthatspecificconcentrationisinhibitorytoplantgrowthanddevelopment.1.5Thisguideisarrangedasfollows:SectionReferencedDocumentsTerminologyDefinitionsDefinitionsofTermsSpecifictothisStandardSummaryofGuideSignificanceandUseInterferencesApparatusFacilitiesTestChambersEquipmentCleaningAcceptabilityReagentsHazards
基本信息
| 标准名称： | 手用1:50锥度销子铰刀 |
| 英文名称： | Hand taper 1:50 pin reamers |
| 中标分类： |
机械 >>
工艺装备 >>
刀具 |
| ICS分类： |
机械制造 >>
切削工具 >>
钻头、锪钻、铰刀
|
| 发布部门： | 中华人民共和国国家质量监督检验检疫总局 中国国家标准化管理委员会 |
| 发布日期： | 2006-12-29 |
| 实施日期： | 2007-06-01 |
| 首发日期： | 2006-12-30 |
| 作废日期： | |
| 主管部门： | 中国机械工业联合会 |
| 提出单位： | 中国机械工业联合会 |
| 归口单位： | 全国刀具标准化技术委员会(SAC/TC 91) |
| 起草单位： | 成都工具研究所 |
| 起草人： | 邓智光、聂珂星、曾宇环 |
| 出版社： | 中国标准出版社 |
| 出版日期： | 2007-06-01 |
| 页数： | 平装16开 页数：5, 字数：6千字 |
| 计划单号： | 20031111-T-604 |
适用范围
本标准规定了手用1:50锥度销子铰刀的型式和尺寸。
本标准适用于直径为0.6mm～50mm的手用1：50锥度销子铰刀。
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所属分类： 机械 工艺装备 刀具 机械制造 切削工具 钻头 锪钻 铰刀