IEC 61101-1991 0.5MHz～15MHz频率范围内采用平面扫描技术对水听器的绝对校准
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【英文标准名称】:Theabsolutecalibrationofhydrophonesusingtheplanarscanningtechniqueinthefrequencyrange0,5MHzto15MHz
【原文标准名称】:0.5MHz～15MHz频率范围内采用平面扫描技术对水听器的绝对校准
【标准号】:IEC61101-1991
【标准状态】:作废
【国别】:国际
【发布日期】:1991-11
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC87
【标准类型】:()
【标准水平】:()
【中文主题词】:校正;水听器;频率范围;电气工程;超声波学
【英文主题词】:
【摘要】:Givestermsanddefinitionsandalistofsymbols.Describesthedeterminationofhydrophonesensitivity,themeasurementprocedure,correctionsandsourcesofuncertainty.
【中国标准分类号】:L15
【国际标准分类号】:17_140_50
【页数】:46P;A4
【正文语种】:英语
Product Code:SAE J1816
Title:Performance Levels and Methods of Measurement of Electromagnetic Radiation From Vehicles and Devices, Narrowband, 10 Khz to 1000 Mhz (Cancelled Jun 1996)
Issuing Committee:Electromagnetic Compatibility (Emc) Standards
Scope: With the advent of computer based electronics being utilized in automobiles, the Electromagnetic Radiation Subcommittee has deemed it prudent that a new test method be written to provide a common test for the measurement of narrowband radiation from vehicles and devices. This SAE Standard covers methods of measuring incidental narrowband radiation from vehicles and devices. The standard also establishes performance levels intended to protect nearby communication and broadcast receivers. It is intended to serve as an alternate method of measuring electromagnetic radiation which is analogous to the FCC Part 15 methodology but adapted to measuring vehicles. The equivalent procedures for broadband emissions are set forth in SAE J551. This standard covers narrowband emissions in the frequency range of 10 kHz to 1000 MHz. An example of such radiation is the unintended emission from on-board logic and computer modules. In particular, the standard is intended to provide protection to adjacent mobile communication and broadcast receivers (vertical E-Field test) and portable broadcast radios (magnetic field test). In the future horizontal E-Field measurement requirements will be considered.【英文标准名称】:StandardPracticeforQualityControlofGeosyntheticClayLiners
【原文标准名称】:土工合成织物粘土衬垫的质量控制标准实施规程
【标准号】:ASTMD5889-1997(2008)
【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】:D35.04
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:Geosyntheticclayliner(GCL);Geosynthetics;Qualitycontrol(QC)--soil/relatedmaterials
【摘要】:GCLsmustbeproperlymanufacturedinamannerconsistentwithaminimumlevelofqualitycontrolasdeterminedbyin-housetestingofthefinalproduct.Thispracticesuggeststhetypesoftests,themethodsofthetestingandtheminimumtestingfrequencies.Itshouldbeclearlyrecognizedthatmanufacturersmayperformadditionaltestsoratgreaterfrequencythanrequiredinthispractice,orboth.Inthiscase,themanufacturer''squalitycontrolplanwillthentakeprecedenceoverthispractice.ThequotedtestsandtestmethodsinTable1mustappearintheQCplanandtheQCreport.ItshouldalsoberecognizedthatpurchasersandinstallersofGCLsmayrequireadditionaltestsoratagreatfrequencythancalledforinthispractice,orboth.Theorganization(s)producingsuchprojectspecificspecificationorqualityassuranceplanshouldrecognizethatsuchrequirementsarebeyondthecurrentstateofthepractice.Ifsucharequestismadebypurchasersorinstallers,theyshouldclearlycommunicatetherequirementstothemanufacturerorsupplierduringthecontractdecisionsinorderthatdisputesdonotariseatasubsequenttime.TABLE1MinimumTypesofTestsandTheirFrequenciesfortheQCofGCLsTestDesignationTestMethodFrequencyofTestingReportValueClay:A
B
Freeswell
D5890
Onepertruckorrailcarbutmin,every50tonnes
Minimumaverage
Fluidloss
D5891
Onepertruckorrailcarbutmin,every50tonnes
Minimumaverage
GeosyntheticMaterials:
B
Geotextiles:
Massperunitarea
D5261
20000m2(200000ft2)
TypicalandMARV
Grabtensilestrength(MDandCD)
D4632
20000m2(200000ft2)
MARV
Geomembrane
Massperunitarea
D5261
20000m2(100000ft2)
TypicalandMARV
Thickness
D5199
20000m2(200000ft2)
MARV
Tensilestrengthatbreakandyield(MDandCD)
D638
20000......
【中国标准分类号】:W59
【国际标准分类号】:91_100_15
【页数】:2P.;A4
【正文语种】:英语
