共查询到20条相似文献,搜索用时 312 毫秒
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影响纸塑覆合产品质量因素分析(续)TheFactorAfectQualityofLaminatedProduct曹华*CaoHuaThequlityoflaminatedproductisinfluencedbymanyfactors,suchasm... 相似文献
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Thelowerlimitofthepressuremeasurementofanionizationgaugeismainlydeterminedbythreefactors :thesoftX rayeffect ,electronstimulateddesorption (ESD) ,andoutgassingfromthegauge .Manytypesofionizationgaugeshavebeendevelopedtoreducethesefactors .A mongthemthegauge… 相似文献
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“包装设计要素”之我见姜锐MainFactorsforPackageDesign¥JiangRuiAbstract:Inordertomakeclearertheterm"packagedesign",theauthorpointsoutthefou... 相似文献
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浅析影响瓦楞纸箱粘合强度的因素TheFactorAfectingAdherenceofCorrugatedBoxes胡文堂*HuWentangAdherenceisoneofthemostimportantphysicalper-formancefo... 相似文献
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HE Zheng wen XU Yu School of Management Xi''''an Jiaotong University Xi''''an P.R.China 《国际设备工程与管理》2002,7(1)
1 IntroductionFTA (faulttreeanalysis)isananalysismethodbywhichcausesofasystem’sfaultscanbeana lyzedsystematicallyintheformofatreeandthereliabilityofthesystemcanbeevaluated .Thismethodbeginswiththemostundesirablestateofthesystemandtracesvariousfactors (in… 相似文献
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瓦楞纸箱结构强度设计中相关因素的研究ResearchonAsociatedFactorsWithStructureStrengthofCorrugatedPaperboardBoxes金国斌*周思汇**JinGuobinZhouSihuiThestr... 相似文献
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空调器毛细管沿程阻力系数的测定 总被引:1,自引:0,他引:1
空调器毛细管沿程阻力系数的测定MeasurementoftheFrictionFactorAlongtheCapilary黄庆文(深圳惠而浦蓝波空调实业有限公司广东518129)一、前言在家用空调器中基本上采用毛细管作为节流装置,毛细管对制冷剂流量调... 相似文献
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肝细胞生长因子结构与功能的相关性研究郭树华,贺福初,吴祖泽(北京放射医学研究所北京100850)1989年克隆表达的肝细胞生长因子(HePatocxtesrowthfactor,HGF)最初被认为是肝细胞特异的致有丝分裂原,后来发现它除能刺激肝细胞增... 相似文献
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《工业计量》2003,(1)
序号编 号 名 称 被代替号1JJG3 96-2 0 0 2电感测微仪检定规程JJG3 96-1985V .R .ofInductiveMicrometersJJG80 4-19932JJG5 2 5 -2 0 0 2斜块式测微仪检定器检定规程JJG5 2 5 -1988V .R .ofWedge -feetCalibratorsforMicrometers3JJG3 3 -2 0 0 2万能角度尺检定规程JJG3 3 -1979V .R .UniversalBevelProtractors4JJG3 0 -2 0 0 2通用卡尺检定规程JJG3 0 -199… 相似文献
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通过电子束和接触式曝光相结合的混合曝光方法,并利用复合胶结构,一次电子束曝光制作出具有T型栅的HFET(Heterojunction Field-Effect Transistor)器件,并对0.1μm栅长HFET器件的整套工艺及器件性能进行了研究。形成了一整套具有新特点的HFET器件制作工艺,获得了良好的器件性能(ft=78GHz;gm=440ms/mm)。 相似文献
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HE Shan XIONG Guang leng ZENG Qin liang FAN Wen hui The National CIMS/ERC Tsinghua University Beijing P.R.China YUE Yu hua ZHANG Chun heng BAO Jian wen Qiqihaer Railway Rolling Stocks Co. Ltd. Qiqihaer Heilongjiang P.R.C 《国际设备工程与管理》2001,6(4)
1 IntroductionDuringtheproductdesignstage ,itisnecessarytoestimateproductcostsothatwecanusethisinformationtoevaluatetheproductdesigneconomically ,toadjustthedesignschemetoreducecostintimeandasaconsequencetocontroltheproductcosteffectively .Theproductcos… 相似文献
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JIANG Ming CHEN Jin QIN Kai The State Key Laboratory of Vibration Shock & Noise Shanghai Jiaotong University Shanghai P.R.China 《国际设备工程与管理》2001,6(3)
1 IntroductionThecyclostationarysignalisaspecialkindofnon stationarysignal,inwhichthestatisticsvarywithtimeperiodicallyorpolyperiodically (withmultipleincommensurateperiods) .Theuniquecharacteristicshowsthatthemethodsbasedoncyclostationarytheorynecessari… 相似文献
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Grey System Judgment on Reliability of Mechanical Equipment 总被引:2,自引:0,他引:2
LUO You xin GUO Hui xin ZHANG Long ting CAI An hui PENG Zhu Department of Mechanical Engineering Changde Teachers University Changde P.R.China 《国际设备工程与管理》2001,6(3)
1 IntroductionThereliabilityofmachineequipmentwasagenerallyconcernedproblemonchoosingtypes ,useandmaintenanceofequipmentandsooninthewholecourse.Themachineequipmentconsistedofacomplicatedsystem .Whenchoosingthetypes ,itcouldcarryoutoptimumdecision makingo… 相似文献
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MECHANO-ACTIVATED SURFACE MODIFICATION OF CALCIUM CARBONATE PARTICLES IN AQUEOUS MEDIUM 总被引:2,自引:0,他引:2
Finelygroundcalciumcarbonatehasbeenwidelyappliedasthefillermaterial.However,itisessentialtomakethehydrophiliccalciumcarbonateparticlescompatiblewiththematrix,suchasplastics,rubberandadhesives.Surfacemodificationiscommonlyusedtoachievethispurpose.Surf… 相似文献
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FENG Shi cai XU Yong LU Hong yu Industrial College of Xuzhou Normal University Jiangsu P.R.China 《国际设备工程与管理》2001,6(3)
1 IntroductionTheacumulatorisakeycomponentinhydro pneumaticsuspension .Itisnotacomponentofaccu mulativeenergytraditionallybutaspringcomponentsimilartoasteelplatespring[7] .Itsperfor mancedirectlyaffectsthestiffnessperformanceofthehydro pneumaticsuspension .… 相似文献