【英文标准名称】:StandardPracticeforPreparationofChromiumforElectroplatingwithChromium
【原文标准名称】:电镀用铬的制备的标准实施规程
【标准号】:ASTMB630-1988(2010)
【标准状态】:现行
【国别】:
【发布日期】:1988
【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】:B08.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:激活;铬;清洁处理;准备;打;铬电镀
【英文主题词】:activation;chromium;cleaning;preparation;striking;Chromiumelectroplating
【摘要】:Electrodepositsofchromiumonchromiumareproducedincaseswhereitisdesiredtoobtainabetterperformingcoating,toreclaimplatedpartsthataredefective,orrestorewornchromiumcoatingstooriginaldimensions.1.1Thispracticeisintendedtoserveasaprocessguide(notasastandardprocedure)forproducingadherentelectrodepositsofchromiumonchromiumforengineeringuse.1.2Onlywell-known,generallypracticalmethodsusinghexavalentchromiumplatingbathshavebeenincluded.Someofthenewerproprietarychromiumplatingprocessesproducechromiumplatingforwhichthisprocessisunsuitable.Suppliersoftheprocessesshouldbeconsulted.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H62
【国际标准分类号】:77_150_40
【页数】:2P.;A4
【正文语种】:
【英文标准名称】:Forestryandgardenmachinery-Noisetestcodeforportablehand-heldmachineswithinternalcombustionengine-Engineeringmethod(Grade2accuracy)(ISO22868:2011);GermanversionENISO22868:2011
【原文标准名称】:林业和园林机械.带内燃机的便携手持式机械的噪声试验规范.工程法(2级准确度)(ISO22868-2011);德文版本ENISO22868-2011
【标准号】:DINENISO22868-2011
【标准状态】:现行
【国别】:德国
【发布日期】:2011-06
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Accidentprevention;Acousticmeasurement;Acoustictesting;Acoustics;Agriculturalequipment;Airbornenoise;Airbornenoiseemitted;Anatomicalconfigurations;Beams;Calibration;Chainsawmachines;Chainsaws;Cuttingtools;Designations;Determination;Deviceconfiguration;Ears;Electricmotors;Emissionvalues;Envelopingsurfacemethods;Environment;Environmentalcondition;Environmentalconditions;Equipment;Equipmentsafety;Ergonomics;Exhausters;Experimentalset-up;Externalnoise;Forestry;Forestryequipment;Forestrymachines;Freecuttingdevices;Freefields;Frequencies;Frequencyanalysis;Gardens;Guiderails;Handchainsawingmachines;Handling;Hazards;Hedgetrimmers;Idlemode;Installations;Instruments;Internalcombustionengines;Interpretations;Lawn-mowers;Limbingmachine;Loading;Longitudinalslots;Machinenoise;Machines;Measurement;Measurementconditions;Measurementofairbornenoise;Measuringdistances;Measuringenvironment;Measuringequipment;Measuringincertainity;Measuringinstruments;Measuringobjects;Measuringresults;Measuringsurfaces;Measuringtechniques;Mechanicalengineering;Mechanicalproperties;Mechanicaltesting;Mechanically-operateddevices;Methods;Microphones;Motor-operated;Motors;Noise;Noisecontrol(acoustic);Noiseemissions;Noise(environmental);Noisemeasurements;Occupationalsafety;Operatingconditions;Operation;Operationalinstructions;Operators;Patterns;Pedestrian-controlledsystems;Perception;Pistoncapacity;Pollutioncontrol;Portable;Portablechainsaws;Position;Powertransmissionsystems;Precision;Protectionagainstdanger;Pruningshears;Radiation;Recordingequipment;Rooms;Rotationalspeeds;Safetydevice;Safetydevices;Safetyofmachinery;Safetyrequirements;Sawingmachines;Saws;Sections;Sound;Soundintensity;Soundlevel;Soundlevels;Soundpower;Soundpressure;Soundpressurelevel;Soundpropagation;Sound-levelmeters;Specification(approval);Straps;Stress;Suspension-points;Tachometers;Testcertificates;Testreport;Testing;Treecutting;Usage;Userinformation;Users;Vibrationengineering;Wood;Woodculture;Woodworking;Woodworkingmachines;Workplacesafety
【摘要】:ThisInternationalStandardspecifiesanoisetestcodefordetermining,efficientlyandunderstandardizedconditions,thenoiseemissioncharacteristicsofportablehand-held,combustionenginepoweredforestmachinessuchaschainsaws,brush-cutters,grasstrimmers,pole-mountedpoweredpruners,hedgetrimmersandgardenblowers.NoiseemissioncharacteristicsincludetheA-weightedemissionsoundpressurelevelattheoperatorpositionandtheA-weightedsoundpowerlevel.
【中国标准分类号】:
【国际标准分类号】:17_140_20;65_060_80
【页数】:45P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 农村VSAT卫星通信网络/系统技术要求 |
| 英文名称： | VSAT Satellite Communication Network/Systems Technical Requirement for the Rural Area |
| 中标分类： |
通信、广播 >>
通信设备 >>
卫星通信设备 |
| ICS分类： |
电信、音频和视频技术 >>
无线通信 >>
无线中继和固定卫星通信系统
|
| 发布日期： | 2006-12-11 |
| 实施日期： | 2007-01-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： | |
| 页数： | 44 |
适用范围
本标准规定了农村VSAT卫星通信的频段、网络结构、业务范围、网管功能、制式、接口、系统和设备的技术指标、可用性、编号计划、计费、同步方式、电源、接地和防雷等技术要求。本标准适用于静止卫星轨道（GSO）卫星固定业务。适应于国内波束通信卫星和租用卫星转发器或点波束组成的国内卫星通信系统。
前言
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目录
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引用标准
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所属分类： 通信 广播 通信设备 卫星通信设备 电信 音频和视频技术 无线通信 无线中继和固定卫星通信系统