简介：Thethird-generationtechnologyformanufacturingethylbenzenefromFCCoffgasdevelopedbyCASDalianInstituteofChemicalPhysics(DICP)hasbeentransferredtoPetroChinaJinxiRefining&ChemicalGeneralWorksandPetroChinaJinzhouBranchCompany,respectively,forconstructionofethylbenzeneunitsratedat60kt/aand80kt/a.DICPwillalsosignwithPetroChinaLinyuanPetrochemicalGeneralWorksandHainanrefinery,respectively,

简介：TheMinistryofScienceandTechnologyannouncedtheinitialresultsof2015NationalScienceandTechnologyPrize,recently."Establishmentofreal-timemonitoringsystemanditsapplicationsinwidefieldsbasedonrareearthnanoup-conversionluminescencetechnology"recommendedbytheChineseMedicalAssociationwaslistedamongthesecondprize.TheprojectwasconductedbytheAcademyofMilitary

简介：Thenewprocessforcatalyticrectification/hydrolysisofmethylacetatedevelopedbytheChemistryandChemicalEngineeringCollegeofFuzhouUniversityhasbeendissemi-natedandapplied.Thisprocessadoptsthenewintegratedtechnologyofcatalyticrectificationwhichnotonlyhastack-ledtheproblemoflowrateofhydrolysisofmethylacetateobtainedinthecourseofPVAmanufacture,butisalsobe-

简介：在分析hydrotreating催化的裂开联合处理的传统的残余的劣势以后，RIPP建议了集成与催化裂开对待的残余水疗院的一种双向联合技术叫了不推进的RICP再循环FCC在FCC单位内的重周期油(HCO)并且把HCO送到对待为并发地受到对待的水疗院的残余作为冲淡的油联合起来的残余水疗院在被用作FCC以前喂油。RICP技术能刺激与FCC轻精华的增加的收益一起通过HCO的利用对待反应的残余水疗院，导致提高的石油利用和精炼厂的经济好处。

简介：Theproductionunitusinganewprocessformanufactureof1,3-phenylenediaminedevelopedindependentlybytheQingdaoScienceandTechnologyUniversity(QSTU)hasbeensuccessfullyputonstreamattheShandongEkesenChemicalCompanywithitsproductioncapacityreaching10kt/aandalltechnicalindicatorscomplyingwith

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简介：在这份报纸，分析了是在直角的频率分割的标志同步算法复合(OFDM)系统，并且完成是粗糙、精致的同步算法的硬件电路设计。基于粗糙、精致的同步算法的分析，多路，模块累加器，部门和输出判断，它能显然保存硬件资源费用。电路顺序和设计计划的波浪表格模拟的分析证明建议方法高效地减少系统资源和电源消费。

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简介：摘要：电子产品日趋复杂化、精细化和小型化，装配难度增大，我所如何在新的加工制造形势下提高产品加工的装配效率和质量。针对这一问题，制造部在领导组织、协调下，成立了数字化装配工艺攻关团队。这是我所进行的一项创新工作。作为团队成员，本人仔细研究了数字化装配工艺设计的方法，对数字化装配工艺设计需要解决的问题进行了分析，在配合我所信息化建设的步伐中，为数字化设计制造进行了技术储备。

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简介：Thisarticlereferstotheresultsofsmall-scaleandcommercialtestsonhigh-temperaturecrackingofC4fractioninFCCunittoincreasethepropyleneyield.ThebenchtestsrevealedthattheconversionrateofC4fractionduringhigh-temperaturecrackingreached37.38%andpropyleneyieldwasequalto15.60%withtheconversionrateofC4olefinsequatingaround50%.Theresultsofcommercialapplicationshowedthatadoptionofthetechnologyforhigh-temperaturecrackingofC4fractioninFCCunithadledtoanincreaseofpropyleneyieldby2.16%withnoremarkablechangesintheyieldsandpropertiesofotherproducts.

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简介：WeldingresearchofA6N01S-T5aluminumalloyprofileforhigh-speedtrainwasdonebyusinglaser-MIGhybridweldingandMIGweldingindividually.Andtheweldappearance,weldingdistortion,mechanicalpropertiesofthejointsandmicrostructureswereanalyzed.Thetestresultsdemonstratedthathigh-efficientweldingfortheprofilecanbeachievedbyusinglaser-MIGhybridwelding,thespeedofwhichcanbeover3.0m/min.Theprocessinghadagoodgapbridgingability，evenifthegapofthebuttjointwasupto2.0mm,agoodweldappearancecanalsobegot.Whilethehybridweldingspeedwasgreaterthan2.5m/min,theweldingdistortionofthelaser-tandemMIGhybridjointswasjustabout33%ofthatoftheMIGjoints,buttheweldingefficiencywasover3timesofMIGwelding.Andtensilestrengthofthehybridjointswas85%ofthatofA6N01S-T5basemetal,9%higherthanthatoftheMIGjoints.Fatiguepropertieswastestedindividuallywithpulsedtensilefatiguemethodintheconditionof1×107lifetime.Thetestresultsdemonstratedthatthefatiguestrengthofthejointswasalittlelowerthanthatofbasematerial,whichcouldbeupto115MPa.Butthefatiguestrengthofhybridweldingjointswas107.5MPa,whichwas23%higherthan87MPaofMIGweldingjoints.

简介：这篇论文论述一个方法集成遥感(RS)处理的数据，等震的线的产生和进一个改进官方补给底的灾难减小系统的人机相互作用模块。用处理模块的RS数据，在在这个区域的每个域调查点的统计样品灰色值和RS紧张从在RS变量和地震紧张之间的概率的关系是计算的，并且在官方补给底的系统数据库存储。然后，等震的线被一个趋势表面模型从RS紧张产生。他们进一步基于在人机相互作用模块中使用RS变量计算的实验变细关系经由等震的线的修正被改进。地调查证明建议方法给isoseismic线的好代。作为结果，损坏和损失评估和紧急情况决策能力的效率的精确性被改进。

简介：9月16日正值2017广州国际音响唱片展期间，立敏音响在中国大酒店琥珀厅举行BalancedAudioTechnology（简称BAT）REXDAC高格式解码器全球首发发布会。立敏音响的王总、BalancedAudioTechnology全球销售总监史蒂夫和首席设计师兼工程师出席了发布会。王总向在场媒体推介Lyravox音响系统，Lyravox合伙人Dr．GoetzMartinVOXLaffert也在现场向媒体人员演示Lyravox挂壁音响与落地式有源音箱。

简介：Thispaperproposesakindofmodulationarchitectureforwavelength-division-multiplexingpassiveopticalnetwork(WDM-PON)employingopticaldifferentialquadraturephaseshiftkeying(DQPSK)downstreamsignalsandtwodifferentmodu-lationformatsofre-modulatedupstreamsignals.Attheopticallineterminal(OLT),10Gbit/ssignalismodulatedwithDQPSK.Attheopticalnetworkunit(ONU),partofthedownstreamsignalisre-modulatedwithon-offkeying(OOK)orinverse-return-to-zero(IRZ).SimulationresultsshowtheimpactonthesystememployingNRZ,RZandcarrier-suppressedreturn-to-zero(CSRZ).Theanalysesalsoreflectthatthearchitecturecanrestrainchromaticdispersionandchannelcrosstalk,whichmakesitthebestarchitectureofaccessnetworkinthefuture.

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