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  • 简介:国企是壮大国家综合实力、保障人民共同利益的重要力量,习近平总书记在全国国有企业改革座谈会上强调,必须理直气壮做强做优做大国企。全面深化改革的背景下,国企的竞争是实业的竞争,更是文化的较量,需要优质的企业文化理念、社会品牌赢得市场和社会认同企业、认同企业品牌、认同企业文化,形成持续巩固的利益共同体,从而实现转型升级、提质增效发展,实现做强做优做大。因而,新常态下的企业核心文化建设,应准确把脉'三个性质',

  • 标签: 把脉提升 提升文化 文化转化率
  • 简介:美国商务部《知识产权与美国经济:产业聚焦》报告显示,2010年我国知识产权密集型产业对GDP贡献不足27%,而美国、欧盟均已接近40%。然而在谈到中国专利成果的转化问题时,大多数学者都似乎达成共识认为中国专利成果的转化低。笔者在涉及这个问题的时候,对转化的定义问题觉之重要。大体可以分为广义与狭义。大多数学者都是在广义的角度去谈论转化,但是对其内涵却不同的理解,而对内涵的不同理解也就涉及到了狭义的转化的范畴。对专利转化定义的界定目的是在一个基本的共识之下来探讨专利转化问题。避免不同定义之下没有基本的共识框架之下探讨,各持己见无法交流,以解决实际的问题。

  • 标签: 专利转化率 界定
  • 简介:CO2capturewithionicliquids(ILs)hasattractedmanyattentions,andmostworksfocusedonabsorptionabilityatambienttemperatures,whileseldomresearchwasconcernedatelevatedtemperatures.ThisnotonlylimitstheCO2absorptionapplicationatelevatedtemperature,butalsothedeterminationoftheoperationconditionoftheCO2desorptiongenerallyoccurringathighertemperature.ThisworkmainlyreportedCO2solubilitiesinILsatelevatedtemperaturesandrelatedpropertieswerealsoprovided.1-alkyl-3-methylimidazoliumbis(trifluoromethylsulfonyl)imide([CnMIm][Tf2N])ILswereselectedasphysicalabsorbentsforCO2captureinthisworkduetotheirrelativehigherCO2absorptioncapacitiesandgoodthermalstabilities.Thelong-termstabilitytestsshowedthat[CnMIm][Tf2N]isthermallystableat393.15Kforlongtime.CO2solubilitiesin[CnMIm][Tf2N]weresystematicallydeterminedattemperaturesfrom353.15Kto393.15K.ItdemonstratedthatCO2solubilityobviouslyincreaseswiththeincreaseofpressurewhileslightlydecreaseswithincreaseoftemperature.Asthelengthofalkylchainonthecationincreases,CO2solubilityinILsincreases.Additionally,thethermodynamicpropertiesincludingtheGibbsfreeenergy,enthalpy,andentropyofCO2werealsocalculated.

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  • 简介:ReducingtheanthropogenicCO2emissionsfromfossilresourcecombustionandhumanactivitieshasbecomeoneofthemajorchallengeswearefacingtoday.BeyondthosepracticalapplicationsfortheutilizationofCO2,suchasthesynthesisofsalicylicacid,methanol,urea,NaHCO3-Na2CO3chemicalsandrecentlydevelopedpolycarbonatesynthesis,scientistsarestillseekingnewmaterialsandtechnologiesforefficientcapture,

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  • 简介:TheeffortonelectrochemicalreductionofCO2tousefulchemicalsusingtherenewableenergytodrivetheprocessisgrowingfastrecently.Inthisreview,weintroducetherecentprogressesontheelectrochemicalreductionofCO2insolidoxideelectrolysiscells(SOECs).Athightemperature,onlyCOisproducedwithhighcurrentdensitiesandFaradicefficiencywhilethereactoriscomplicatedandabettersealingtechniqueisurgentlyneeded.Thetypicalelectrolytessuchaszirconia-basedoxides,ceria-basedoxidesandlanthanumgallates-basedoxides,anodesandcathodesareintroducedinthisreview,andthecathodematerials,suchasconventionalmetal–ceramics(cermets),mixedionicandelectronicconductors(MIECs)arediscussedindetail.Inthefuture,togainmorevalue-addedproducts,theelectrolyte,cathodeandanodematerialsshouldbedevelopedtoallowSOECstobeoperatedattemperaturerangeof573–873K.Atthosetemperatures,SOECsmaycombinetheadvantagesofthelowtemperaturesystemandthehightemperaturesystemtoproducevariousproductswithhighcurrentdensities.

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  • 简介:Wesynthesizedonequaternaryammoniumpolymericionicliquids(PILs)P[VBTHEA]ClandthreeimidazoliumPILsofP[VEIm]Br,P[VEIm]BF4,P[VEIm]PF6byfree-radicalpolymerizationinsolution.ThesePILswerecharacterizedbyFT-IR,1H-NMR,13C-NMR,TGA,XRDandSEM.TheirCO2adsorptioncapacitiesweremeasuredunderdifferentpressuresandtemperaturesbyconstant-volumetechnique.ItwasobservedthatquaternaryammoniumPILsofP[VBTHEA]ClhavehigheradsorptioncapacityforCO2thanthoseimidazoliumPILs,followingP[VBTHEA]Cl>P[VEIm]PF6>P[VEIm]BF4>P[VEIm]Br,whichmaybeascribedtohigherpositivechargedensityonammoniumcationthanthatonimidazoliumcationandthusstrongerinteractionwithCO2,consistentwiththeresultsfromdual-modeadsorptionmodelthatammoniumPILshavemuchhigherCO2bulkabsorptionthanimidazoliumPILs.CO2adsorptioncapacityofP[VBTHEA]Clis9.02mg/gunder295Kand1bar,whichiscomparabletothatofsomeotherPILs,andismuchhigherthanthatofthecorrespondingILsmonomer.ThesePILshavegoodadsorptionselectivityforCO2overN2andregenerationefficiency.

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  • 简介:Amine-silicacompositematerialsforpost-combustionCO2capturehaveattractedconsiderableattentionbecauseoftheirhighCO2uptakeatlowCO2concentrations,excellentCO2captureselectivityinthepresenceofmoisture,andlowerenergyrequirementsforsorbentregeneration.Thisreviewdiscussestherecentadvancesinamine-silicacompositesforCO2capture,includingadsorbentpreparationandcharacterization,CO2captureunderdryandmoistureconditionsatdifferentCO2partialpressures,sorbentregeneration,andstabilityaftermanycyclicsorption-desorptionruns.

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  • 简介:旅游资源经济转化是衡量一个区域旅游业发展程度的基本指标。本文基于2004-2014年截面数据,运用定量分析方法,对新疆各地州市旅游资源经济转化进行测算与剖析,结果表明:(1)新疆旅游资源丰裕度与旅游经济综合发展水平整体较高,北疆高于南疆;(2)新疆旅游资源经济转化总体水平低且南北疆区域差异明显,但总体差异呈缩小态势,地区内差异绝大部分贡献来自北疆地区;(3)新疆14个地州市可划分为高转化,较高转化,中转化,低转化4个等级。其中高转化地区是乌鲁木齐市,最低转化为和田地区。

  • 标签: 旅游资源丰裕度 旅游经济综合发展水平 旅游经济转化率 地州差异
  • 简介:Co-electrolysisofCO2andH2Ousinghigh-temperaturesolidoxideelectrolysiscells(SOECs)intovaluablechemicalshasattractedgreatattentionsrecentlyduetothehighconversionandenergyefficiency,whichprovidesopportunitiesofreducingCO2emission,mitigatingglobalwarmingandstoringintermittentrenewableenergies.AsingleSOECtypicallyconsistsofanionconductingelectrolyte,ananodeandacathodewheretheco-electrolysisreactiontakesplace.Thehighoperatingtemperatureanddifficultactivatedcarbon-oxygendouble-bondofCO2putforwardstrictrequirementsforSOECcathode.Greateffortsarebeingdevotedtodevelopsuitablecathodematerialswithhighcatalyticactivityandexcellentlong-termstabilityforCO2/H2Oelectro-reduction.Thesofarcathodematerialdevelopmentisthekeypointofthisreviewandalternativestrategiesofhigh-performancecathodematerialpreparationisproposed.UnderstandingthemechanismofCO2/H2Oelectro-reductionisbeneficialtohighlyactivecathodedesignandoptimization.Thusthepossiblereactionmechanismisalsodiscussed.Especially,amethodincombinationwithelectrochemicalimpedancespectroscopy(EIS)measurement,distributionfunctionsofrelaxationtimes(DRT)calculation,complexnonlinearleastsquare(CNLS)fittingandoperandoambientpressureX-rayphotoelectronspectroscopy(APXPS)characterizationisintroducedtocorrectlydisclosethereactionmechanismofCO2/H2Oco-electrolysis.Finally,differentreactionmodesoftheCO2/H2OcoelectrolysisinSOECsaresummarizedtooffernewstrategiestoenhancetheCO2conversion.Otherwise,developingSOECsoperatingat300-600°CcanintegratetheelectrochemicalreductionandtheFischer-TropschreactiontoconverttheCO2/H2Ointomorevaluablechemicals,whichwillbeanewresearchdirectioninthefuture.

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  • 简介:Embodiedcarbonintradehasattractedtheattentionofresearchers,developers,andindustryleadersworldwide,asithasbecomeaconsiderablesourceoftradeconflict.BecauseChinaistheworld’sleadingcarbon-emittingcountry,itisimportanttostudythechangetrendsofembodiedCO2inChinesetradetoidentifykeyinfluencingfactors.ThispaperinvestigatesthetradeembodiedCO2inChina,withspecialfocusontheproductionprocessandmaterialsofeachindustrialsectorfrom1990to2013.Thisstudywasconductedbyusinganinput-outputmodel,whichanalyzesthespecificcausesofperiodicwaves.Ourfindingssuggestthatthemachinemanufacturingsectorproducedthelargestshareofemissions,whereasthemetalandnon-metalsectorhasthehighestemissionintensity.Moreover,thetotalemissionquantitiesintradeincreasedfrom612to3331milliontonsin1990to2013,aperiodcharacterizedbydecentralizedtrendsinemissionsexportedtotradepartners.Wealsoemployedthelog-meanDivisiaindex(LMDI)modeltodecomposethecarbonemissionschangesintoexportstructure,exportscale,energystructure,andenergyintensity,andestimatetheinfluenceofthesefactorsatanumberoftimepoints.Wefoundthatenergyintensitycurbsemissionsincrease,andthatexportscaleexpansionisthestrongestdrivingforce.

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  • 简介:在不同植物社区(落叶松,桦树,丁香花,和草地)的公司2集中在黑隆贾恩格·福雷斯特在成长季节期间被测量学习的植物的花园日报在不同空格影响公司2集中的变化,季节、年度的动力学和因素。在在绿陆地的不同社区的公司2集中有一明显日报变化,长期地减少,并且温度影响了丁香花区域和草地。季节地,公司2在落叶松绿色陆地是最低的(344.03吗?

  • 标签: CO2浓度 季节变化 影响因素 城市森林 哈尔滨 年际变化规律
  • 简介:摘要聚氯乙烯(PVC)是一种重要的热塑性塑料,其性能好,价格优,广泛应用于各行业。聚氯乙烯(PVC)是一种经过加压聚合制备的。氯乙烯质量对聚氯乙烯(PVC)的性能有直接影响。目前,采用乙炔法进行氯乙烯生产。提高乙炔的转化和氯化氢反应转化是提高氯乙烯纯度的关键。文章讨论了如何提高氯乙烯转化的问题,提出了氯乙烯转换的控制措施。

  • 标签: 氯乙烯 转化率 纯度 催化剂 配合比
  • 简介:TogaindeepinsightintotheMorphologicaleffectofNixMg1-xOcatalystsonthereactionofCO2reformingwithmethane,wedesignedandfabricatedthreedifferentspatialstructuralNixMg1-xOcatalysts.TheseNixMg1-xOcatalystswithspecificmodelssuchasrod,sheetandsphere,exhibitedvariousactivityandstabilityinCO2reformingreaction.HereinNixMg1-xOnanorodsdisplayedhighercatalyticactivity,inwhichmethaneconversionwasupto72%andCO2conversionwas64%at670°Cwithaspacevelocityof79,200mL/(gcath),comparedwithnanosheetandnanospherecounterparts.Furthermore,bothcatalystsofNixMg1-xOnanorodandnanosheetshowedahighresistancetowardcokedepositionandsinteringofactivesitesintheprocessofCO2reformingofmethane.

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  • 简介:摘要目的试评价CO2激光对皱纹和光损伤疗效。方法2014年9月~2016年7月,医院皮肤美容科门诊共收治采用CO2激光治疗皱纹以及光损伤患者184例,随访1个月,评价疗效。结果治疗后面部皮肤皱纹,松弛,皮肤修复性增厚,色素沉着积分与CMSS评分低于治疗前,差异有统计学意义(P<0.05)。治疗后,CMSS评分阳性、轻度、中度低于治疗前,差异有统计学意义(P<0.05)。结论CO2激光治疗皱纹和光损伤疗效肯定,能够有效减轻面部皮肤皱纹,松弛,皮肤修复性增厚,色素沉着问题,减轻患者体像障碍。

  • 标签: 皮肤 整容 CO2激光 皱纹 光损伤
  • 简介:摘要目的探讨CO2激光联合光动力治疗尖锐湿疣临床效果。方法研究我院2015年5月—2017年3月期间随机抽取的80例尖锐湿疣患者,分为对照组与观察组各40例,其中对照组运用CO2激光治疗,观察组运用CO2激光联合光动力治疗,分析两组患者治疗效果差异。结果在治愈上,观察组为75%,对照组为37.5%,组间差异显著,P<0.05;在复发上,观察组为25%,对照组为62.5%,组间差异显著,P<0.05;在不良反应上,两组没有显著性差异,P>0.05。结论CO2激光联合光动力治疗尖锐湿疣可以有效的保证治愈,减少复发,同时不会提升不良反应,治疗安全与效果均有保证。

  • 标签: CO2激光 光动力 尖锐湿疣 治疗效果
  • 简介:为研究城市区域近地面CO2浓度变化特征,于2016年1月-12月对济南城市大气中CO2浓度进行了连续观测.结果表明,CO2具有明显的日变化规律,其中春、夏、秋季存在一峰一谷的现象,而冬季只有一峰.CO2浓度随季节变化明显,浓度最高值出现在冬季1月份,最低值出现在夏季6月份.CO2与SO2相关性较高,说明二者都来源于燃煤贡献.CO2浓度与风速和气温呈负相关关系,而与相对湿度呈正相关关系.

  • 标签: 二氧化碳 季节变化 日变化 气态污染物 气象因素
  • 简介:CO2photoreductionisanattractiveprocesswhichallowsthestorageofsolarenergyandsynthesisofsolarfuels.Manydifferentphotocatalyticsystemshavebeendeveloped,whilethealternativephoto-reactorsarestillinsufficientlyinvestigated.Inthiswork,photoreductionofCO2withH2OintoCH4wasinvestigatedinamodifiedconcentratingsolarreactor,usingTiO2andPt/TiO2asthecatalysts.TheTiO2andPt/TiO2sampleswereextensivelycharacterizedbydifferenttechniquesincludingpowderX-raydiffraction(XRD),N2adsorption/desorptionandUV–visabsorption.ThecatalyticperformanceoftheTiO2andPt/TiO2samplesinthegasphasewasevaluatedunderunconcentratedandconcentratedXe-lamplightandnaturesolarlightwithdifferentconcentratingratios.VariousparametersofthereactionsystemandthecatalystswereinvestigatedandoptimizedtomaximizethecatalyticperformanceofCO2reductionsystem.Comparedwiththenormallightirradiation,theTiO2andPt/TiO2samplesshowhigherphotocatalyticactivity(about6–7times)forreducingCO2intoCH4underconcentratedXe-lamplightandnaturesolarlight.Intherangeofexperimentallightintensity,itisfoundthattheconcentrationofthelightmakesitsuitableforthecatalyticreaction,andincreasestheutilizationefficiencyoftheTiO2andPt/TiO2sampleswhiledoesnotdecreasethequantumefficiency.

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