ISO 15952-2006 土壤质量.污染物对幼年陆生螺类的影响(庭园大蜗牛).第2部分:检测土壤污染其对生长的影响

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【英文标准名称】:Soilquality-Effectsofpollutantsonjuvenilelandsnails(Helicidae)-Determinationoftheeffectsongrowthbysoilcontamination
【原文标准名称】:土壤质量.污染物对幼年陆生螺类的影响(庭园大蜗牛).第2部分:检测土壤污染其对生长的影响
【标准号】:ISO15952-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-02
【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/TC190
【标准类型】:()
【标准水平】:()
【中文主题词】:生物分析和试验;土壤组分;污染;定义;测定;初生水;中毒;污染物;污染控制;土壤污染物;土壤普查;土壤;试验;毒性;蠕虫困扰
【英文主题词】:Biologicalanalysisandtesting;Compositionoftheground;Contamination;Definitions;Determination;Juvenilewater;Poisoning;Pollutants;Pollutioncontrol;Soilcontaminants;Soilsurveys;Soils;Testing;Toxicity;Wormangers
【摘要】:ThisInternationalStandardspecifiesasemi-staticmethodforthedeterminationoftheeffectsofcontaminantsongrowthandsurvivalofyoungsnails,usuallyHelixaspersaaspersaMuller.Theanimalsareexposedviathecutaneousanddigestiverouteusingatestsubstrate(artificialornaturalsoilaccordingtotheobjectiveofthestudy)towhichdefinedamountsofthefollowingareadded:—substancesorpreparations;—soils(contaminatedorofunknownquality)orwastematerials.Astaticmethodmaybeimplementedinadditiontothesemi-staticmethod(optional).ThismethodisdescribedinAnnexA.Thismethoddoesnotapplytovolatilesubstances,i.e.substancesforwhichtheHenryconstant,H,ortheair/waterpartitioncoefficientisover1,orforwhichthevapourpressureisover0,0133Paat25°C.Thistesttakesintoaccountthepossiblechangeinthetestsubstance,preparation,soilorwastematerialbecausethetestmixtureispreparedandrenewedevery7daysduringthe28-daytestperiod.
【中国标准分类号】:B11
【国际标准分类号】:13_080_30
【页数】:33P.;A4
【正文语种】:英语


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基本信息
标准名称:高度游标卡尺质量分等规定
中标分类:
发布日期:1991-03-22
实施日期:1991-07-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
页数:8页
适用范围

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前言

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引用标准

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所属分类:
【英文标准名称】:Mechanicalvibrationandshock-Characterizationofthedynamicmechanicalpropertiesofvisco-elasticmaterials-Part4:Dynamicstiffnessmethod
【原文标准名称】:机械振动和冲击.粘弹性材料动态机械性能的特性.第4部分:动态稳定度方法
【标准号】:ISO18437-4-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-06
【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/TC108
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;弹性(流体);阻抗;测量;材料的机械性能;共振法;冲击;规范(验收);测试;振动;振动效应;振动影响(对人体);振动测量;抗振试验
【英文主题词】:Definition;Definitions;Elasticproperties(fluids);Impedance;Measurement;Mechanicalpropertiesofmaterials;Resonancemethods;Shock;Specification(approval);Testing;Vibration;Vibrationeffects;Vibrationeffects(humanbody);Vibrationmeasurement;Vibrationresistancetests
【摘要】:ThispartofISO18437specifiesadirectmethodformeasuringthecomplexdynamicmoduliofelasticity(theYoung,shearandbulkmoduli,andtheirrespectivelossfactorscorrespondingtothetensile,shearandallcompressivestrains)forpolymeric(rubberyandviscouspolymers,aswellasrigidplastics)materialsoverawidefrequencyandtemperaturerange.Measurementsareperformedbythedynamicstiffnessmethod,whichuseselectricsignalsfromsensorsattachedtoatestpiece.Thesesignalsareproportionaltothedynamicforcesactingonthetestpieceandthestrainsinthetestpieceduetotheeffectoftheseforces.Themeasurementfrequencyrangeisdeterminedbythesizeoftestpiece,theaccuracyrequiredonthedynamicmodulusmeasurements,therelationshipbetweenthestiffnessoftheoscillationgeneratorandthestiffnessofthetestpiece,andbytheresonancecharacteristicsofthetestfixtureused.ThemethodpresentedinthispartofISO18437allowsmeasurementunderanystaticpre-loadallowedforthetestpiece(includingthetestpiecehavingthenon-linearcharacteristicsunderdifferentstaticloads),butundersmalldynamic(acoustic)strains,i.e.,inlimitswherethelinearpropertiesofthetestpiecearenotdistorted.Dependingonthepre-loadconditions,therelationbetweenthemoduliisunique.
【中国标准分类号】:J04
【国际标准分类号】:17_160
【页数】:20P;A4
【正文语种】:英语