基本信息
| 标准名称： | 钢网架焊接球节点 |
| 发布日期： | 1991-01-01 |
| 实施日期： | 1991-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
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前言
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引用标准
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所属分类： 工程建设 工业与民用建筑工程 建筑构造与装饰工程 建筑材料和建筑物 建筑构件 屋顶
【英文标准名称】:StandardGuideforSelection,Evaluation,andTrainingofObservers
【原文标准名称】:监测员挑选,评价和训练的标准指南
【标准号】:ASTME1499-1997(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1997
【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】:E12.11
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:appearance;observers;training;visualexamination-color;Appearanceofmaterials;Colorvisiontests;Farnswell-Munsell100huetest;HVCcolorvisionskilltest;Japanesecolordiscriminationtest;Magnitudescalingtests;Observers;Pseudoisochromati
【摘要】:Thetermappearance(see3.2.1)impliestheessentialpresenceofhumanvisualobservations.Theresultsofvisualobservationinvolvenotonlythestepofobserving,accomplishedbytheeye,butalsotheinseparablestepofinterpretationinthebrain.Instrumentaltestmethodscurrentlycannotduplicatethissecondstep,andthereforecannowonlyapproximate,butnotfullymeasure,appearance.Suchinstrumentalmeasuresofappearancepropertiesareusefulonlytotheextentthattheycanbecorrelatedtotheresultsofvisualobservationsbyobserversoftheappearancephenomenabeingevaluated.Almostinvariably,toolittleattentionhasbeenpaidtoensuringthattheessentialvisualobservationshavebeenproperlyobtainedtoprovidethebasisforcorrelatingvisualandinstrumentaltestresults.(Theonlyrecentbookdevotedtovisualmeasurements(1)hasnoindexentryforobserver.)Thisguideprovidesthemeansforassessingobservers,byoutliningtherequirementsandtestsfortheirselection,evaluation,andtraining.Thisguideshouldbeusefultoallexperimentersdesigningorusingvisualtestmethodstoprovideeitherdirectresultsintermsoftheobservationofappearanceproperties,ortheexperimentscorrelatingsuchresultswithinstrumentalmeasuresapproximatingthesameappearanceproperties.1.1Thisguidedescribescriteriaandtestsforselecting,evaluating,andtraininghumanvisual-sensoryobserversfortasksinvolvingtheperceptionandscalingofpropertiesandphenomenarelatingtoappearance.1.2ExamplesoftestsrequiringtheuseoftrainedobserversincludebutarenotlimitedtothosedescribedinthefollowingASTMstandards:oncolor,PracticeD1535andPracticeE1360;oncolordifference,PracticeD1729andTestMethodD2616;ongloss,TestMethodD4449;onmetamerism,PracticeD4086;andonsettingtolerances,PracticeD3134.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C52
【国际标准分类号】:13_100
【页数】:4P.;A4
【正文语种】:英语