简介:由包含微生物引起的整个房间的催化剂的RhodococcuserythropolisAJ270,nitrilehydratase和amidase催化,在10点
简介:Atemperature-inducedspinreorientationtransitionbetweenГ4(Gx,Ay,Fz)andГ2(Fx,Cy,Gz)hasbeenstudiedinthefamilyofEr1–xYxFeO3(x=0,0.25,0.5,0.75,1)singlecrystals.BydopingnonmagneticY3+,wetunedthespinreorientationtemperaturetolowtemperaturewithincreasingx.Moreover,thetypicalcompensationpointandspinfliptransitionofErFeO3alsodecreaseswithdoping,anddisappearsabovex=0.75.WealsoreporttheRietveldrefinementsandRamanspectroscopyofEr1–xYxFeO3,wheresomeRamanpeaksareshiftedtolowfrequencywithincreasingdoping.Ourresultsshedlightontheunderstandingoftheinteractionbetweentwomagneticsub-latticesofrareearth(R3+)andiron(Fe3+)ions,andwillalsocontributetothematerialsdesignandpotentialapplications.
简介:Veryrecently,theBelleandBESIIIexperimentsobservedanewcharmonium-likestateX(3823),whichisagoodcandidatefortheD-wavecharmonium(13D2).BecausetheX(3823)isjustneartheDˉDthreshold,thedecayX(3823)!J=+??canbeagoldenchanneltotestthesignificanceofcoupled-channeleffects.Inthiswork[1],thisdecayisconsideredincludingboththehidden-charmdipionandtheusualquantumchromodynamicsmultipoleexpansion(QCDME)contributions.
简介:Recently,theL-modetoH-mode(L-H)transitionintokamakplasmaconfinementwasfoundtoberelatedtothepresenceofthepoloidalflowshearneartheplasmaedge.Animportantmechanismistheionorbitlosscausedbyinteractionwiththelimiter.AcomplementaryexplanationisthegenerationofpoloidalflowsbyplasmafluctuationsviatheReynoldsstressandthepoloidalspin-upofplasmasfrompoloidalasymmetryofparticleandmomentumsources.
简介:Anovelpolymer-bound1,2-diol,3-polystyrylsulfonyl-1,2-propanediol(6)hadbeenpreparedbythereactionofsodiumpolystyrylsulfinatewithallylbromide,followedbyoxidationand.hydrolysisordirectlywith3-chloro-1,2-propanediolinthepresenceofaphasetransfercatalyst,n-tetrabutylammoniumiodide.Thecapacityofresin6forterephthaidehydereached1.43mmol/g.Thealdehydicgroupsattachedtopolymer6reactedwithhydroxylaminehydrochlorideorreducedbysodiumborohydridegivingp-formylbenzaldoxime(yield:89%)andp-formyl-benzalcohol(yield:734%),respectively.Thehighyieldsofthesepolymer-supportedreactionsshowedthatthepolymer6possessedtheeffectiveisolationofitsreactivesites.
简介:Basedontheextendedmappingdeformationmethodandsymboliccomputation,manyexacttravellingwavesolutionsarefoundforthe(3+1)-dimensionalJMequationandthe(3+1)-dimensionalKPequation.Theobtainedsolutionsincludesolitarysolution,periodicwavesolution,rationaltravellingwavesolution,andJacobianandWeierstrassfunctionsolution,etc.
简介:与联系的谎言点对称新(2+1)维的KdVequationu_t+3u_xu_y+u_(xxy)=0被调查。一些类似减小被解决相应特战程导出。为这个方程的Painleve分析也被介绍,孤立子答案从Baecklund转变直接被获得。
简介:Withthehelpofanextendedmappingapproach,anewtypeofvariableseparationexcitationwiththreearbitraryfunctionsofthe(2+1)-dimensionaldispersivelong-waterwavesystem(DLW)isderived.Basedonthederivedvariableseparationexcitation,abundantnon-propagatingsolitonssuchasdromion,ring,peakon,andcompactonetc.arerevealedbyselectingappropriatefunctionsinthispaper.
简介:InallthearticlesinActaMechanicaSolidaSinica,Volume31,Issues1-4thecopyrightisincorrectlydisplayedas"TheChineseSocietyofTheoreticalandAppliedMechanicsandTechnology"whereitshouldbe"TheChineseSocietyofTheoreticalandAppliedMechanics".
简介:TheextendedRiccatimappingapproachisfurtherimprovedbygeneralizedRiccatiequation,andcombineitwithvariableseparationmethod,abundantnewexactcomplexsolutionsforthe(2+1)-dimensionalmodifieddispersivewater-wave(MDWW)systemareobtained.Basedonaderivedperiodicsolitarywavesolutionandarationalsolution,westudyatypeofphenomenonofcomplexwave.
简介:Usingrecursivemethod,thispaperstudiesthequeuesizepropertiesatanyepochn+inGeom/G/1(E,SV)queueingmodelwithfeedbackunderLASDA(latearrivalsystemwithdelayedaccess)setup.Somenewresultsabouttherecursiveexpressionsofqueuesizedistributionatdifferentepoch(n+,n,n-)areobtained.Furthermoretheimportantrelationsbetweenstationaryqueuesizedistributionatdifferentepochsarediscovered.TheresultsaredifferentfromtherelationsgiveninM/G/1queueingsystem.Themodeldiscussedinthispapercanbewidelyappliedinmanykindsofcommunicationsandcomputernetwork.
简介:1,2-Diarylacetylenes被与乙酰氯化物和结果的ethene氯化物的消除由diaryl酉同类的增加组成的一个灵巧的方法综合了。在1,2-diarylacetylene的物理性质和结构之间的关联被微分扫描学习了热量计(DSC),折射媒体和电镀物品光的参数测试仪器。结果证明birefringence与把cyclohexyl插入到骨骼,而是mesophase范围被增加,融化并且变清点与在分子,和birefringence介绍乙烯桥被减少,粘性,空地点和mesophase变化都能与perfluoroalkyl/alkoxyl终端被减少而不是alkyl/alkoxyl一半。