简介：Thedensityofasphaltwasmeasuredwiththepycnometeranddensitometer.Creeppropertiesoftheasphaltwereinvestigatedwiththebendingbeamrheometerattemperaturesrangingfrom0℃to-36℃.Theasphaltdensitydatausedtocorrelatewiththecreeppropertieswerecalculatedfromtheregressionequationofdensityandtemperature.TheasphaltsampleusedtodeterminethecreeppropertywasagedbythestandardRTFOTtestandthePAVtest.Thetestresultsshowedthattheasphaltdensityhadalinearrelationshipwithtemperaturechanges.Thelogarithmofthecreepstiffnessandtheslopeofthelogarithmofthestiffnessat60secondsalldemonstratedalinearrelationshipwiththedensity,andtheregressioncoefficientofthesedatawasaround0.99.Thecreepstiffnessandtheslopeofthecreepstiffnesscanbecalculatedfromtheasphaltdensityatthesametemperature.

简介：Theinfluenceofthecarrierpseudo-boehmite(PB),whichwasimpregnatedwithaNi-Mo-Psolutionunderover-saturationconditionsandtreatedatdifferenttemperatures,onitspropertyforadsorptionofactivemetals(Ni,Mo)wasstudied.Theresultsshowedthattheamountforadsorptionofactivemetalwasdecreasedwithanincreasingtreatmenttemperatureofthecarrier.AfterphasetransitionofthecarrierPBtoγ-Al2O3,itscapacityforadsorptionofactivemetalswassignificantlyreduced.Thedifferenceinpropertiesforadsorptionofactivemetals(Ni,Mo)byPBdriedat120℃andγ-Al2O3calcinedat600℃wasstudiedindetail.TheresultssuggestedthattheabilityofthePBcarriertoadsorbmetalswashigherthanthatoftheγ-Al2O3carrier.Especially,theratioofchemicallyadsorbedmetalsonthePBsupportwasmuchhigherthanγ-alumina.ThechemicaladsorptionsitesonthePBcarrierwereprovedtobemuchmorethanthoseontheγ-Al2O3carrier.NiandMochemicaladsorptionsitesdifferedalotonthecarrierpossiblybecauseofthedifferenceinchemicaladsorptionsites.

简介：ThePhotochemicalCollegeofCASInstituteofChemistrybymeansoftheprincipleofvisiblelightphoto-catalyticreactionsinthepresenceofdyestuff/TiO2hasdeveloped

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

简介：密度功能的理论(DFT)被采用了调查电子struc-turgsEMM+(1-emyl-3-methylimidazolium+)，CuCl_2~-，Cu2Cl3~-CuCl_2~-,EMIM+-Cu2Cl3-和EMIM+-CuCl_2~-，EMIM+-Cu2Cl3-对。完整，EMIM~+的优化和频率分析，CuCl2，Cu2Cl_3~-，八起始的EMIM+-CuCl_2~-，并且六起始，EMTM+-Cu2Cl_3~-几何学在6-31+G用Gaussian-94软件包裹被执行了(d，p)基础，为氢的集合水平，碳，氮，氯原子和Hay-Wadt为铜原子的有效核心潜力。EMIM+-CuCl_2~-的最低精力的电子结构，EMIM+-Cu2Cl_3~-pairs，单身地，EMIM+，CuCl_2~-，和Cu_2Cl_3~-比较地被学习了。计算结果证明最低精力的优化EMIM+-CuCl_2~-对conformer是到有距离的CuCl_2~-飞机的五戒指一半平行在3.5A附近，当最低精力的EMIM+-Cu2Cl_3~-对conformer是对有在终端氯原子和EMIM+.The的5戒指飞机之间的约3.0A的距离的Cu2Cl_3~-飞机垂直的EMIM+的五戒指一半时，在阳离子和阴离子之间的结合是静电的相互作用和C-H-Cl氢键被费用帮助增强。频率分析建议因为想象的频率的缺席，所有静止的点是最小的点。EMIM~+的笨重不对称现象引起的相互作用的低精力，和阳离子和阴离子的费用分散产生离子的液体EMTM+-CuCl_2~-，和EMTM+-Cu2Cl_3~-的低融化的点；在阳离子和阴离子之间的距离引起的.The相互酌能被单个点精力调查扫描。

简介：ThefirstinChinacommercialtestunitformanufactureofsyntheticnaturalgas(SNG)throughlow-temperaturemethanationofcokeovengasratedat5000m3/dhascompletedits1000-hourcontinuoustestsattheTongshidaCokeryinShanxiprovince.Itislearnedthatthewholeprocesstechnologyisthefirstinnovativeprojectrealized

简介：TheJJDlow-pressureconstant-temperaturesuspendertubularmethanolsynthesissystemdevelopedbytheAnchunHighandNewTechnologyLimitedLiabilityCompanyhasitsapparentadvantageinenergyconservation.Itissaidthatthistechnologyistheinnovativeonebothat

简介：DuringJuneandJuly2003,JingmenPetrochemicalCompanycardedoutthecommercialtestontechnologyforhigh-temperaturecrackingofC5fractiontodecreaseolefincontentofgasolineinDCCU.ThetestresultsshowedthattheolefincontentofDCCgasolinehaddecreasedfrom68.32m%to42.5m%,meanwhilethepropyleneyieldincreasedby0.90m%.

简介：OnSeptember19,2018,the100kt/acommercialdemonstrationhigh-temperatureFischer-Tropschsynthesisunit,constructedbytheShaanxiFutureEnergyChemicalCompany,Ltd.(FECC),cameonstreamsuccessfullyatthefirstattemptandhadbeenoperatingcontinuouslyandsmoothlyfor168hoursatfullload.ItistoldthatthisisthefirstcommercialdemonstrationhightemperatureFischer-TropschsynthesisunitbuiltinChinawithcompletelyindependentintellectualpropertyrights.Thecommissioningofthisdemonstrationunitevidencesthatthehigh-temperatureFischer-Tropschsynthesistechnologyhasfullymettheindustrializationconditions.