简介：Twonewsteroidalbitterprinciples,taccolanolideO,PhavebeenisolatedfromTaccasubflaellataandtheirstructureswereestablishedbyspectroscopicmethods.

简介：AnewreasonablyperfectdynamicmathematicmodelhasbeenestablishedforcondenserusedinshipnuclearpowerplantaccordingtoitsstructuralfeaturesandOperatingprinciple.ThemodelhasbeensolvedbytheRunge-Kuttamethod.Andananalysisprogramhasbeendevelopedfordynamicnumericalsimulationundersteadyoperationcondition,disturbancecondi-tion,andaccidentcondition.Thedynamiccharacteristicsofcondenserhasbeencalculatedandanalyzedunderseveralkindsof

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简介：ChinaGuangdongNuclearPowerGroup,ChinaPowerInvestmentGroupandGuangxiInvestmentGroupreachedaframeagreementtojointlybuildthephaseIprojectofGuangxiBailongNuclearPowerPlantinJuly.Accordingtotheplan,GuangxiBailongNuclearPowerPlantwillhaveatotalinstalledcapacityof6000MW.ThescaleofitsphaseIprojectisplannedtoreach

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简介：TheinvestingagreementonYunnanKaiyuanPowerPlantProjectwasofficiallysignedonJanuary7,2001.YunnanProvinceisplanningtostarttoconstruct2×300MWKaiyuanPowerPlantetc,aseriesofcoal-firedpowerplantprojects.ThetotalinvestmentinKaiyuanThermalPowerPlantisestimatedtobe

简介：The0.5Mt/astyreneunitatDaguChemicalPlanthadsuccessfullyonJanuary21,2010acceptedethylenefeeddeliveredbythe1.0Mt/aethyleneunitoftheTianjinPetrochemicalCompanyandhadbeenstartedupatthefirstattempton

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简介：The34theditionofMostraConvegnoExpocomfort-theinternationalbiennialexhibitiondedicatedtoheating,airconditioning,refrigeration,plumbingtechnology,watertreatmentandbathroomfittings-hasclosedwithextraordinarysuccess,especiallyfromthepointofviewofinternationalexposure.Witharound150,000visitors,26,282(18%)fromoverseas,theexhibitionwhichcametoanendon6thMarch2004beatallrecords.

简介：植物发展了复杂生物化学的机制从昆虫herbivory阻止威胁。最近的研究表明了在对上面的植物回答的根的一个重要角色扎根了herbivory(AGH)。根的参与是不可分的种抵抗和忍耐机制。根不仅由为各种各样的毒素的生合成充当地点在植物防卫起一个活跃作用并且而且由存储photoassimilates启用未来生长贡献忍耐。有有益的忍受土壤的微生物的根的相互作用也影响在植物和昆虫草食动物之间的相互作用的结果。Shoot-to-root通讯信号为对AGH的植物反应是批评的。在对AGH的植物反应的根的角色的更好的理解是必要的以便开发植物昆虫相互作用的一幅全面图画。这里，我们在对AGH的植物反应总结关于根的角色的研究的当前的地位并且也讨论涉及shoot-to-root通讯的可能的信号。

简介：在SINOPEC武汉石油化学的植物的0.8Mt/a乙烯工程被国家发展改革委员会(SDRP)在4月3,2007日同意了。在这个工程的建设的结束以后，武汉将在华中成为第一个大综合refining/chemicalproduction底。

简介：Seventy-fivepreviouslyknownplantmicroRNAs(miRNAs)wereclassifiedinto14familiesaccordingtotheirgenesequenceidentity.Atotalof18,694plantexpressedsequencetags(EST)werefoundintheGenBankESTdatabasesbycomparingallpreviouslyknownArabidopsismiRNAstoGenBank'splantESTdatabaseswithBLASTalgorithms.AfterremovingtheESTsequenceswithhighnumbers(morethan2)ofmismatchednucleotides,atotalof812ESTcontigswereidentified.AfterpredictingandscoringtheRNAsecondarystructureofthe812ESTsequencesusingmFoldsoftware,338newpotentialmiRNAswereidentifiedin60plantspecies,miRNAsarewidespread.SomemicroRNAsmayhighlyconserveintheplantkingdom,andtheymayhavethesameancestorinveryearlyevolution.ThereisnonucleotidesubstitutioninmostmiRNAsamongmanyplantspecies.SomeofthenewidentifiedpotentialmiRNAsmaybeinducedandregulatedbyenvironmentalbioticandabioticstresses.Somemaybepreferentiallyexpressedinspecifictissues,andareregulatedbydevelopmentalswitching.ThesefindingssuggestthatESTanalysisisagoodalternativestrategyforidentifyingnewmiRNAcandidates,theirtargets,andothergenes.AlargenumberofmiRNAsexistindifferentplantspeciesandplayimportantrolesinplantdevelopmentalswitchingandplantresponsestoenvironmentalabioticandbioticstressesaswellassignaltransduction.EnvironmentalstressesanddevelopmentalswitchingmaybethesignalsforsynthesisandregulationofmiRNAsinplants.AmodelformiRNAinductionandexpression,andgeneregulationbymiRNAishypothesized.

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简介：昆虫长是最丰富的草食动物，并且植物发展了复杂机制对他们的攻击保卫。特别地，植物能察觉与昆虫herbivory联系的织物损坏的特定的模式。某植物种类能在昆虫察觉某些elicitors在喂期间进入创伤，并且很快激活一系列缠绕的发信号的小径安排各种各样的防御代谢物的生合成的口头的分泌物(OS)。激活Mitogen的蛋白质kinases(MAPK)，对所有优核质普通，涉及许多细胞的进程的组织，包括开发和压力回答。在植物，至少二MAPK，水杨酸导致酸的蛋白质kinase(SIPK)和导致创伤的蛋白质kinase(WIPK)，被伤害或昆虫OS很快激活；重要地，用在MAPK发信号损害的转基因或变异的植物的基因研究显示MAPK在调整植物激素的导致herbivory的动力学起关键作用，例如jasmonic酸，乙烯和水杨酸酸，和MAPK也为草食动物的transcriptional激活被要求防御代谢物的防卫相关的基因和累积。在这评论，我们在在植物抵抗理解MAPK的功能到昆虫草食动物总结最近的开发。

简介：Requestedbyourreaders,acolumnofCompanyProfilehasopenedfromthisissueforthepurposeofprovidingthemwithmoreinformationonsomekeydomesticrefractoriesenterprises,researchinstitutes,jointventuresandforeignwhollyownedcompaniesinChinaterritory.ItisourgreatpleasuretostartthecolumnwithabriefintroductiontotheworldlargestrefractoriescompanyRHIontheoccasionoftheopenningceremonyofhersecondplantinChinaRHIRefractories(Dalian)Co.,Ltd.,whichwasheldonNovember30,2004.FollowingisthedetailontheeventcontributedbyDr.StefanPirker:

简介：Ricehuskwasusedtopreparethesilicaofamorphousnaturebeingseveraltimesmorereactivethanthatobtainedfromthemineralkingdom.Numberofricehuskbatcheswerepyroprocessedundervaryingtime-temperatureparametersforthispurpose.Theashresultingfromabatchpyroprocessedat500℃for8hcontained92.01%silica.Itwasupgradedto98.50%byapplyingphysicochemicalpurificationprocedures.Themineral,wollastonite(CaSiO3),wassynthesizedfromthuspreparedsilicaandlimestonecontaining55.91%CaO.Solidstatereaction,betweenCaOandSiO2wasattemptedatdifferenttemperaturesinthepresenceofamineralizer.Thesinteringtemperature,foraffectingthesaidsynthesis,wasrangedbetween900℃to1300℃withthestepsof100℃.SpecificchemicalanalysistechniqueswereappliedtodeterminetheeffectivenessofcarriedoutreactionandpromisingbatchesweresubsequentlysubjectedtoXRDinvestigations.Theproducedmineralwasalsocharacterizedregardingitsphysicalpropertieslike:colour,hardness,meltingpointandspecificgravity.Percentyieldoftheproducedwollastonitewasalsoestimatedandcomparedwiththatofobtainedbyotherresearcherswhosynthesizeditbyusingsilicafrommineralkingdom.Batchessinteredat1200℃and1300℃for1hshowedtheoverallbestresults.

简介：Twogianthydrogenationreactorstobeinstalledinthebu-tanol/octanolunitattheTianjinSodaPlantwillbethosemadeinChinaaccordingtothescientificsurveyandinvestiga-

简介：植物荷尔蒙植物生长素在调整植物生长和开发起一个关键作用。最近的进展在植物生长素反应小径的理解被做了，首先由在Arabidopsis的植物生长素反应异种的描述。另外，microRNAs(miRNAs)被显示了是为正常植物开发和生理学重要的基因的批评管理者。然而，很少对在miRNAs并且在正常开发期间的神经质的发信号之间的可能的相互作用被知道。这里，我们显示出那ArabidopsismicroRNA，miR167，有一个互补序列到AUXIN反应FACTOR6(ARF6)和ARF8mRNAs的部分，能为ARF8，然而并非为ARF6引起抄本降级。我们报导35S::MIR167b的phenotypic描述转基因的线，和表演转基因的线有的那严重35S::MIR167barf6arf8的类似于那些的显型加倍异种。转基因的显型建议miR167可以镇压在翻译的水平的ARF6。我们证明转基因的植物在花的机关的所有四锭盘是有缺点的。在转基因的花，细丝是反常地短的，花药不能适当地释放花粉，并且花粉谷物没发芽。我们的结果提供在表明网络支持的基因表示和植物生长素的调停miRNA的规章的小径之间的一个重要连接种繁殖开发。

简介：RecentlyalowcostcookingdevicefordevelopingandemergingcountrieswasdevelopedatKITincooperationwiththecompanyBoschundSiemensHausgerteGmbH.Afterconstructinganinnovativebasicdesignfurtherdevelopmentwasrequired.Numericalinvestigationswereconductedinordertoinvestigatetheflowinsidethecombustionchamberofthestoveundervariationofdifferentgeometricalparameters.Beyondtheperformanceimprovementafurtherreasonoftheinvestigationswastoratetheeffectsofmanufacturingtoleranceproblems.InthispaperthenumericalinvestigationofaplantoilstovebymeansofRANSsimulationwillbepresented.Inordertoreducethecomputationalcostsdifferentmodelreductionstepswerenecessary.Thesimulationresultsofthebasicconfigurationcompareverywellwithexperimentalmeasurementsandproblematicbehaviorsoftheactualstovedesigncouldbeexplainedbytheinvestigation.

简介：AbstractCorynespora cassiicola is a common plant pathogen responsible for leaf-spotting diseases in the tropical and subtropical areas. C. cassiicola seldom causes human infections. Here we describe a case of subcutaneous phaeohyphomycosis caused by C. cassiicola in a 76-year-old Chinese man, who presented to our hospital with a purulent discharge and painful sensation on his right leg. Skin biopsy revealed an abscess, and culture confirmed C. cassiicola to be the causative agent. The result was further identified by sequence analysis of the internal transcribed spacer region. The patient was successfully treated with systemic voriconazole and wound debridement: the lesion disappeared after 20 days.