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500 个结果
  • 简介:TheVenturi-roddecktrayisatypeofdualflowtraysusedinfluegasdesulfurization(FGD)process.Inthispaper,thehydrodynamiccharacteristicsoftheVenturi-roddecktraywerestudiedintheexperimentsandcomparedwiththeconventionalsievetray.Resultsshowedtheturndownratioofthistraywasintherangeof2.71-3.77,whichwasby9%higherthanthesievetray.Besides,thepressuredropofthistraywasbymorethan50%lowerthanthesievetray.Basedontheexperimentaldata,thecorrelationfunctionsforthepressuredropandthefrothheight,respectively,wereobtained.TheindustrialscaleuppracticeofthistrayinFGDprocesswasdescribedwiththeefficiencyofthistraydemonstrated.

  • 标签: dual flow TRAY SCRUBBER VENTURI HYDRODYNAMIC
  • 简介:TopredictthefuturedevelopmentofChina-U.S.relations,wshouldattachimportancetothethreenewcharacteristicsofthisbilateralrelationship.First,weshouldseeclearlythechangesoftheprincipacontradictioninSino-Americanrelations,whichisthekeylinkinunderstandingthebilateralrelationshipfromthestrategicand

  • 标签: 中美关系 特点 外交政策 国际环境 主要矛盾 双边关系
  • 简介:Accordingto350MWand600MWboilers,underoxygenfuelcondition,throughthereasonablecontroloftheprimaryandsecondaryflowandthecorrectoptionandrevisionofmathematicalmodel,thetemperaturedistribution,heatfluxdistributionandabsorptionheatdistribution,etc.wasobtainedwhichcomparedwiththoseunderaircondition.Throughcalculation,itisobtainedthattheprimaryandsecondaryflowmixedwell,goodtangentiallyfiredcombustioninfurnacewasformed,thetemperatureunderairconditionobviouslyhigherthanthetemperatureunderO26condition.Theadiabaticflametemperatureofwetcyclewasslightlyhigherthanthatofdrycycle.Themaximumheatloadappearedonthewaterwallaroundtheburnerarea.Theheatloadgraduallydecreasedalongthefurnaceheightupanddowninburnerarea.TheheatabsorptioncapacityofthefurnaceunderO26waslowerthanthatundertheaircondition.Theheatabsorptioncapacityoftheplatenheatingsurfaceunder026wasequaltothatunderaircondition.AndtheheatabsorbingcapacityofwaterwallunderO26wasabout7%~12%lessthanthatunderaircondition.

  • 标签: 燃烧锅炉 锅炉燃料 传热特性 氧气 温度分布 绝热火焰温度
  • 简介:AwaterplasmawasgeneratedbyDCarcdischargewithahafniumembeddedrodtypecathodeandanozzle-typeanode.Thedischargecharacteristicswereexaminedbychangingtheoperationparameterofthearccurrent.Thedynamicbehaviorofthearcdischargeledtosignificantfluctuationsinthearcvoltageanditsfrequency.Analysesofthehighspeedimageandthearcvoltagewaveformshowedthatthearcdischargewasintherestrikemodeanditsfrequencyvariedwithinseveraltensofkilohertzaccordingtotheoperatingconditions.Thelargerthermalplasmavolumewasgeneratedbythehigherflowfromtheformingsteamwithahigherrestrikefrequencyinthehigherarccurrentconditions.Inaddition,thecharacteristicsofthewaterplasmajetwereinvestigatedbymeansofopticalemissionspectroscopytoidentifytheabundantradicalsrequiredinanefficientwastetreatmentprocess.

  • 标签: 水等离子体 放电特性 直流电弧 应用 环境 电弧放电
  • 简介:Thispaperstudiesthecharacteristicsoflarchbarkpyrolysisandanalyzesfactorsthataffectthepyrolysisandtheliquidpyrolyticcomponent.Theresultsareasfollows:TGcurveshowsthatthepyrolysiscanbedividedintothreeparts:dryingprocess,pyrolyticprocess,andcarbonateandcalcinatedprocess.BoththesizeofgrainandthetemperaturerisingrateaffecttheshapeofTGandDTG.Vinegarandsedimentarytararemaincomponentsofpyrolyzateproducts.GC-MSisappliedtoanalyzevinegar.Itisshownthatthevinegarisahighlycomplexcompoundwhichiscomposedofphenolanditsderivatives(45.620%),organicacid(13.851%),ketoderivatives(9.754%),aldehydicderivatives(8.573%),alcoholicderivatives(1.794%),esteranditsderivatives(0.205%).

  • 标签: 落叶松树皮 热解 分解 液体干馏物成分 特性
  • 简介:客观:兔子的生物特征口头的mucosal上皮的房间(OMEC)被学习,为OMEC的文化的合适的过程被探索。方法:由不同表面消毒的有教养的OMEC由不同Dispase准备,在不同媒介,在K-SFM的不同calciumion集中中等。结果:文化能显著地与2%碘答案减少的房间的微生物引起的污染以前为口头的洞的消毒使用了房间文化。在K-SFM与Dispase消化的OMEC能快速属于文化烧瓶,在PBS与Dispase消化的OMEC稀罕属于文化烧瓶。在K-SFM媒介的0或0.09mmol/L钙集中有教养的OMEC的增长出现了不统计上重要。OMEC与浆液变得快,但是区分进像成纤维细胞的房间是容易的。结论:OMEC能成长很好并且有由在这描述了的过程的上皮的房间形态学试验的典型口头的mucosal。

  • 标签: 生物学特性 上皮细胞 口腔黏膜 细胞培养液 森林管理
  • 简介:TheHL-2AtokamakisatokamakmodifiedfromtheoriginalshutdownGermanAS-DEXsothatitspoloidalmagneticsystemisthepreviousonewithparametersunchanged.However,thissystemmaypossiblyberedesignedinthefutureandnowdifferentoperationmodefromthepreviousASDEXonecanalsobeused(e.g.,tooperateinsinglenullmode),weneedtomasterthebasiccharacteristicsandfunctionsofthissystem.

  • 标签: HL-2A 等离子体 极向场 运行方式 磁通函数
  • 简介:剩余紧张和损坏由Si培植导致了在轧了样品被学习了,以及电子特征。这些成长得当的样品与Si的不同剂量被植入(1

  • 标签: GAN 掺杂 残差应变 退火
  • 简介:Introduction:Superiorsemicircularcanaldehiscence(SCD)remainsdifficulttodiagnosedespiteadvancesinhigh-resolutioncomputedtomography(HRCT)imaging.Wehypothesizepossibleassociationsbetweengrosstemporalboneanatomyandsub-millimeterpathologyofthesemicircularcanals,whichmaysupplementimagingandclinicalsuspicion.ThispilotstudyinvestigatesdifferencesingrosstemporalboneanatomicparametersbetweentemporalboneswithandwithoutSCD.Methods:Recordswerereviewedfor18patientsreferredtoanotologycliniccomplainingofdizzinesswithnormalcaloricstimulationresultsindicativeofnon-vestibularfindings.ElevenpatientshadnormaltemporalboneanatomywhilesevenhadSCD.Three-dimensionalreconstructionofeverypatient'stemporalboneanatomywascreatedfrompatient-specificcomputationaltomographyimages.Surfacearea(SA),volume(V),andSAtoVratios(SA:V)werecomputedacrosstemporalboneanatomicalparameters.Results:SCDtemporalboneshavesignificantlysmallerV,andlargertemporalboneSA.Mean(士SD)Vwas21,484±3,921mm3intemporalboneswithoutSCDand16,343±34,471mm3forthosewithSCD.TheirrespectiveSAwere13,733±1,603mm2and18,073±3,002mm2.TemporalboneairspacesandlateralsemicircularcanalsdidnotdemonstratesignificantdifferenceswhereSCDwasandwasnotpresent.PlotsofMVwarmresponseagainstcomputedSCDtemporalboneanatomicparameters(SA,VandSA:V)showedmoderatetostrongcorrelations:temporalboneSA:V(r=0.64),temporalboneairspaceV(r=0.60),temporalboneairspaceSA(r=0.55),LSCCSA(r=0.51),andLSCC-to-TMDistance(r=0.65).Conclusions:ThisanalysisdemonstratedthatSCDisassociatedwithdecreasedtemporalbonevolumeanddensity.ThedefectinSCDdoesnotappeartoinfluencecaloricresponses.

  • 标签: TEMPORAL bone ANATOMY SUPERIOR CANAL DEHISCENCE
  • 简介:SrB6O10:Tb黄磷被高温度的稳固的州的反应综合。合作掺杂物,Tb集中和照耀在SrB6O10的TL上开暴露的Ce或李的影响:Tb被调查。当合作掺杂物不能改进SrB6O10的敏感,结果显示出那Ce或李:Tb黄磷。TL反应取决于Tb集中,0.02是在从0.01~0.10的集中范围的最佳。用最佳Tb集中,我们计算了SrB6O10的运动参数:采用山峰形状方法的Tb,并且建议服从第二的黄磷订动力学。TL排放紧张线性地依赖于在50~的剂量范围以内的照耀剂量200Gy。典型Tb(3+)离子排放在TL排放光谱被观察。

  • 标签: 热致发光 稀土 掺杂 SrB6O10:Tb
  • 简介:研究表明,川西地区沙溪庙组储层主要储集岩为长石砂岩、岩屑长石砂岩,其次为岩屑砂岩、长石岩屑砂岩及岩屑石英砂岩。储集空间分为孔、缝,其中主要储集空间为粒间溶孔,其次为残余粒间孔和粒内溶孔。喉道类型以管状和粒间裂隙为主,属细一微喉型。储层孔隙结构差,具有孔隙小、喉道窄、有效连通孔隙体积小和中一高排驱压力的特征,总体属于低一中孔、低一中渗,局部存在高孔高渗的常规储层,非均质性强。在此基础上通过对储层发育控制因素、储集砂体展布及有利储集区带的研究,为川西沙溪庙组的油气藏勘探开发提供了重要支撑。图10表2参4

  • 标签: 《天然气勘探与开发》 英文摘要 期刊 编辑工作
  • 简介:Thestabilitycharacteristicsoflaminarboundarylayersovercompliantwallswasstudiedbythelineartheory.Unlikethepreviousauthors,thecoupledmotionofthefluidandsolidwasrequiredtosat-isfythecontinuityconditionsofboththevelocityandstressattheinterface.Resultsofcalculationsshowthatasthespeedratioordensityratioexceedsacertainthresholdvalue,thetwotypesofunstablewaveswillnolongerbedistinguishable,andthetangentialcomponentofthedisturbancestressisnolongernegligi-ble.Sotheneglectofit,asthepreviousauthorsdid,isunjustified.

  • 标签: STABILITY BOUNDARY LAYER compliant WALL
  • 简介:Inordertoconstructobjectiverelativelymappingrelationshipmodelbetweencustomerrequirementsandproducttechnicalcharacteristics,anovelapproachbasedoncustomersatisfactionsinformationdiggingfromcaseproductsandsatisfactioninformationofexperttechnicalcharacteristicswasputforwardinthispaper.Technicalcharacteristicsevaluationvalueswereexpressedbyroughnumber,andtechnicalcharacteristicstargetsequencewasdeterminedonthebasisofefficiency,costtypeandmiddletypeinthismethod.UseeachcalculatedsatisfactionsofcustomersandtechnicalcharacteristicsasinputandoutputelementstoconstructBPnetworkmodel.AndweuseMATLABsoftwaretosimulatethisBPnetworkmodelbasedonthecaseofelectricbicycles.

  • 标签:
  • 简介:Lawisthefundamentalmethodofgovernanceandtheruleoflawsymbolizesmoderncivilization.ThesocialistruleoflawistheruleoflawrootedintheChinesetradition,anddesignedandledbytheCommunistPartyofChina(CPC).Itisnotonlyatoolforgovernment,butalsoadriverofsocialprogress.Meanwhile,theChinesehumanrightssystemisalsodesignedbytheCPC.Bothconcepts—thesocialistruleoflawandthehumanrightssystem——aredifferentfromtheWestintermsoftheory,pathandsystems.Humanrightsarethefundamentalvaluesofandtheultimategoalpursuedbytheruleoflaw;andtheruleoflawistherecognitionofandguaranteeforhumanrights.Effortsmustbemadetoadvancelegislative,administrativeandjudicialprotectionofhumanrights.

  • 标签: RULE of LAW human RIGHTS FUNDAMENTAL
  • 简介:KONGRao-qi,male.bornin1944.Wasajuniorconsultantdoctor,astandingmemberandthedcputysecretary-generalofZhejiangProvincialAcupuncturcAssociation.thedirectorofZhejiangscalp-acupointcommittee,tichasbccnengagedinacupuncturepracticeformorethan30years.Withgreatattainmentsinthescalpacupuncture.Heishighlyskilledattheacupuncturetreatmentofapoplecticsequelae,

  • 标签: 头皮 针刺疗法 临床经验 中医 中风
  • 简介:在这份报纸,环境扫描电子显微镜学(ESEM)被用于描绘矿物质和处理残余(COPR)的铬铁矿矿石的元素分发。测试结果证明忍受Crbrownmillerite发生在COPR粒子的边界,当有在它的结构的Cr(VI)的hydroandradite在内介绍COPR粒子时。方镁石和方解石发生在空隙的区域。Ca,Fe和艾尔在整个COPR粒子是分布式的元素分析表演,和Mg主要在空隙的区域或在粒子表面上存在。Cr的一个更低的内容在COPR粒子是均匀地分布式的,当Cr的稍微更高的集中发生在粒子内时。让Cr从COPR移居将花一相对更长的时间,这被建议,特别为hexavalent铬,因此沥滤的时间和粒子尺寸可以是影响Cr(VI)的版本的二个重要因素。

  • 标签: 元素分布特征 铬铁矿 矿物 环境扫描电子显微镜 粒子分布 残留