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简介：Factoranalysisisusedtostudytheorganiccompoundsthathavehighdegreeofcorrelationwithbiomassinalgalblooming.Basedonthiscorrelation,theyarenamedcharacteristicorganiccompounds.Thecompoundsfoundaresequalene(SQU),cedrol(CED),2,5-cyclohexadiene-1,4-dione,2,6-bis(1,1-dimthylethyl)(PBQ),phenol,2,6-bis(1,1-dimethylethy-4-methyl)(BHT),3-t-butyl-4-hydroxyanisole(BHA),1,2-benzenedicarboxylieacid,bis-(2-methylpropyl)ester(DIBP),dibutylphthalate(DNBP),respectively.Monitoringthevariationsofconcentrationofthesecharacteristicorganiccompoundsinseawatermayprovidescientificbasisforstudyingandforecastingredtides.

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简介：Toinvestigatetheeffectsofantisenseoligonucleotidesontheexpressionofmacrophagemigrationinhibitoryfactor(MIF)onmacrophages,themousephosphorothioateoligonucleotidesweredesignedandsynthesizedwiththesequencesofantisense,5'-TACGGATACAAGTAGCAC-3'；Sense,5'-ATGC-CTATGTTCATCGTG-3'；Missense,5'-CTCTCAGACTCGATCTGT-3'.Thesephosphorothioateoligonucleotideswerethentransfectedintoculturedmacrophages(RAW264.7)byluciferasevector,andthetransfectedmacrophageswereincubatedwithLipopolysaccharide(LPS)(1ng/ml)forvariousperiodsoftimesandcollectedafterwards.ThecontentofMIFproteinintheculturalsupernatantswasdeterminedbyELISA,cellularRNAextractedandtheexpressionofMIFmRNAwasexaminedbyRT-PCRanalysis.TheexperimentalresultsshowedthatLPScouldinduceatime-dependentspecificexpressionofMIFonmacrophages,inwhichtheMIFmRNAincellsandtheMIFproteininculturalsupernatantsappearedafter3handreachedtheirhighestconcentrationat9-12hafterLPSstimulation.ThelevelsofmRNAandproteinsinthemacrophagestreatedwithantisenseolignucleotidesweredecreasedsignificantlyafterstimulationwithLPSincomparisonwiththatofstimulationwithLPSaloneorwiththatwithLPSplussenseormissenseoligonucleotides.TherewerenodifferencesamongthosewithoutLPSstimulation.ItisconcludedthatmacrophagesstimulatedwithLPSexpressMIF,andtheantisenseolignucleotidesofMIFinhibittheexpressionofMIFmRNAaswellasthesecretionofMIFproteinsinmacrophages.

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简介：TheclucidationofconditionsoffVrmationofthelarge-scalemineraldepositsattractsattentionofanumberofresearchersdealingwiththedepositsofvariousgeneticgroupsformedinvariousgcodynamicenvironments’Suchsupcrlargedcpositsarewellknownamongthewidelysprcadgroupofhydrotber-maldepositsassociatcdwiththcstructurcsof

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简介：MechanicalqualityfactorQmisakeycharacteristicparameterofHigh-overtonebulkacousticresonator(HBAR).Theeffectsofstructureparameter(thickness)andperfor?manceparameters(characteristicimpedanceandmechanicalattenuationfactor)ofsubstrate,piezoelectricfilmandelectrodeconstitutingHBARonQmarecarriedout.TherelationshipsbetweenQmandtheseparametersareobtainedbyalumpedparameterequivalentcircuitinsteadofdistributedparameterequivalentcircuitneartheresonancefrequency,andthean?alyticalexpressionsoiQmaregiven.TheresultsshowthatQmincreasesnon-monotonicallywiththecontinuousincreaseofthesubstratethicknessforHBARwithcertainpiezoelectricfilmthickness,anditapproachestothesubstratematerialmechanicalqualityfactorasthesubstratethicknessislarge.QmdecreaseswavilywiththecontinuousincreaseofthepiezoelectricfilmthicknessforHBARwithcertainsubstratethickness.SapphireandYAGwithlowmechanicallossareappropriateasthesubstratetogetalargerQm-TheelectrodelossmustbeconsideredsinceitcanreduceQm-ComparedwithAuelectrode,A1electrodewithlowerlosscanobtainhigherQmwhentheappropriateelectrodethicknessisselected.Inaddition,Qmdecreaseswiththeincreaseoffrequency.TheseresultsprovidethetheoreticalbasisforoptimizingtheparametersofHBARandshowthattrade-oflFsbetweenQmandmustbeconsideredinthedesignbecausetheirchangesareofteninconsistent.

简介：基于在二个邻近的地面单位之间的正常向量角度的估计的规则，我们使用地面复杂性因素的概念确定DEM的地面复杂性，然后在光栅DEM和听DEM的地面复杂性因素的公式理论上被推出。以便弄明白地面复杂性因素ECF和平均举起h怎么影响DEM地面表示RMSEet的精确性，高斯的公式摹拟的表面被使用模仿几真实地面表面，其各个有不同地面复杂性。通过在模拟数据，在DEM地面表示RMSEet的精确性之间的线性方程，地面复杂性因素ECF和一般水准的线性回归的统计分析，举起h被完成。一个新方法被提供与某个地面复杂性估计DEM地面表示RMSEet的精确性，它以后为DEM生产和相应错误研究给有说服力的理论证据。

简介：Carbonemissionisthecurrenthotissueofglobalconcern.Howtoassessvariouscontributingfactorsforcarbonemissionisofgreatimportancetofindoutthekeyfactorsandpromotecarbonemissionreduction.Inthispaper,theauthorconstructsanidenticalequationforcarbonemission,basedontheeconomicaggregate,theeconomicstructure,theefficiencyofenergyutilization,thestructureofenergyconsumption,andthecoefficientofcarbonemission;byapplyingtoLMDIdecompositiontechnology,theauthoranalyzesthecarbonemissionofChinafrom1995to2007atindustriallevelandregionallevel.TheresultsshowthattheexpansionofeconomicaggregateisthemainreasonforChina'srapidlyincreasingcarbonemissionandtheincreaseofenergyutilizationefficiencyisthekeyfactorthatcanholdbacktheincreaseofcarbonemission.Inaddition,thechangeofindustrialstructureorregionalstructureandthechangeoftraditionalenergystructurehavelimitedinfluenceonthecarbonemission,andtheirpotentialshavenotyetbeenexploited.Attheendofthispaper,theauthorproposestheeffortsthatChinashouldmaketoreducecarbonemission.

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简介：Objective:Toinvestigatetheproliferativeeffectofkeratinocytegrowthfactor(KGF-2)onhumanadultkeratinocytes.Methods:Thestandardmediumwaskeratinocytegrowthmediumwithoutbovinepituitaryextract(BPE),hydrocortisoneorepidermalgrowthfactor(EGF).Keratinocytesfroma48-year-oldsubjectwereculturedandseededondisheswithstandardmediumofEGFincelldensityof2×104/32mm2.After24hours,themediumwasreplacedbythestandardmediumwith0,4,16,125and500ng/mlKGF-2,respectively.ThestandardmediumwithEGFwasusedasthepositivecontrolandthestandardmediumwithoutEGForKGF-2wasusedasthenegativecontrols.Thegrowthofkeratinocyteswasmonitoredby3-(4,5-dimethythiazol-2-yl)-2,5dipheyltetrazoliumbromide(MTT)assayandbyphotographsondays3,5and7,respectively.Results:KGF-2inconcentrationsof4-500ng/mlshowedasignificantproliferativeeffectondays5and7ascomparedwiththatofthenegativecontrols(P<0.01).Onday3thecellswereproliferatedto1.5-2.5-fold,onday5to3-5-foldandonday7to3-12-foldinKGF-2mediumasthatofthenegativecontrols.TheoptimalresponseoccurredwhentheconcentrationofKGF-2was125ng/mlonday7.CellproliferationwasalsoconsistentlyhigherinallKGF-2concentrationsascomparedwiththatofthepositivecontrols.Conclusions:KGF-2hassignificanteffectsontheproliferationofadultkeratinocytes,whicharemoreeffectivethanthatofEGF.ThisstudysupportsKGF-2canimprovethehealingofchronicwoundsinadultsinclinic.

简介：Aftermorethan20years'highspeedgrowth,thesustainablegrowthofChineseeconomyfacesseriouslim-itationofresourcesandfactorsnowandinthefuture.Inordertomaintaintheeconomicgrowth,Chinahastotrans-formthewayofeconomicgrowth.Basedontheanalysisontherelatedtheoriesofeconomicgrowthandthestructur-altransformationinfactorsofproduction,thispaperproposesthatthetransformationoftheeconomicgrowthwayhastoimpeltheoptimizationandthepromotionoftheutilizationstructureoffactorsofproduction.Finally,basedontheanalysisofthenecessitytochangethepatternofeconomicgrowth,thispaperproposesthestrategicmeasurestopromotethecontinuouseconomicgrowthandthetransformationofpatternsofeconomicgrowth.

简介：假设那床材料负担等于沉积运输能力通常是可接受的，如果在床和流动之间的交换即刻地发生。为非平衡沉积运输过程，然而，有空间、时间的延期效果。这为水库沉积过程是特别真的。恢复因素是为非平衡沉积运输的一个系数。恢复因素的决心能试验性地或数字地被获得。在以前的文学的恢复因素的价值上没有一致。有半的数字模拟--二个维的沉积运输模型，GSTARS4，为以前的研究建议的恢复因素的决心用各种各样的方法在这研究被进行。一座水库的模仿的结果几何变化对恢复因素的选择敏感。恢复因素作为沉积尺寸的功能提供了最合理的结果，这被发现。在恢复因素和沉积尺寸之间的一种功能的关系被比较模仿并且测量的水库决定几何变化。粗糙的沉积有恢复因素的小价值。

简介：RodrigoRatosays“SotheAmericaneconomyneedstheworld,andtheworldneedstheAmericaneconomy”?.Forthat,itispossibletonotethattheshorthistoryofUSpolicyintheMiddleEast,includingthesuccessionofpresidential“doctrines”,fromTrumanthroughtoBushII,confirmedWashington’sappreciationofthestrategicroleoftheEasternMediterraneanandtheoilrichstatesoftheMiddleEastinthebroadercontextofUSpolicygoals.Thisinterestisduetothefactthatthisregion(MiddleEast)hasalargeofoilreservesandhugeeconomicrecourses.Thisregionholdsabout66%oftheworldoilreserves,andthisoilreservewillmaketheregiondominateforalongertimeontheglobaloilmarketandinternationaloil-producingorganizations,suchasOPEC,socontrolonthisregionhasbecomeafocusofattentiontodecision-makersintheworld,andthereisnodoubtthattheUnitedStateswasthemostprominentwhotriedtocontroltheregion.ThepurposeofthecurrentresearchistoshedlightontheUnitedStates’economicpresenceintheMiddleEastregiontounderstandhowUnitedStates’presencehasdevelopedintheregionandwhatmotiveswerebehinditspresence.

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简介：ShandongProvinceisabundantinecologicalresourcestodevelopregionalecotourism.Byusingfactoranalysismethodtoanalyzeallpossibleinfluencingfactorsonregionalecotourismindustrycompetitiveness,thisarticleassesses17sampleregions'competitivenessofecotourismindustryinShandong.Theregionalecotourismindustrycompetitivenessisdividedintotwoaspects:currentcompetitivenessandpotentialcompetitiveness.13indexesaretoanalyzecurrentcompetitivenessand7indexestoanalyzepotentialcompetitivenessrespectively.Relativesuggestionsaregivenaswell.

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简介：Objective:Toexaminetheeffectsofratmarrowstromalcells(rMSCs)ongeneexpressionoflocalbrain-derivedneurotrophicfactor(BDNF)andnervegrowthfactor(NGF)afterinjectionofrMSCsintoCisternMagnumofadultratssubjectedtotraumaticbraininjury(TBI).Results:GroupcelltransplantationhadhigherBDNFandNGFgeneexpressionsthanGroupsalinecontrolduringaperiodoflessthan3weeks(P<0.05).Conclusions:rMSCstransplantationviaCisternMagnuminratssubjectedtotraumaticbraininjurycanenhanceexpressionsoflocalbrainNGFandBDNFtoacertainextent.