简介:Fromtheprocessofsedimentationthemathematicalrelationshipsamongdepositionvolumeandpowderpropertiesaswellassedimentationparameterswerededuced.Basedontheformulaamathematicalmodelwassetupandsimulatedthroughthecomputer.AtlastthevalidityofmathematicalmodelwassupportedbytherepresentativeexperimentonTi-MosystemFGMpreparedbyco-sedimentation.
简介:摘要目的研究急性CO中毒患者血清内NSE(神经元特异性烯醇化酶)与中毒程度的关系。方法回顾性分析病人临床资料,按照0-12.5μg/l,12.5ug/l-25.0ug/l,>25.0ug/l将病人分为NSE正常组和NSE值轻度升高组及NSE重度升高组。观察各组急性内脏器官受损的情况及迟发性脑病情况。结果NSE值正常组、NSE值轻度升高组和NSE值重度升高组的急性内脏器官受损发生率分别为11.11%、32.0%、62.86%,迟发性脑病发生率分别为0%、16.0%、40.0%。结论急性CO中毒患者6h内的NSE值可预测中毒程度的急性内脏器官受损的情况及迟发性脑病情况。
简介:
简介:Inthispresentstudy,theruodeloftherabbitwithacutemyocardialischemia(AMI)wasusedtoexploremechanismsofinterrelationhetweenNeiguanacupoint(PC6)ofthePeri-cardiumMeridianandthehearthyemployingphysiologicalandmorphologicaImethods.Itwasdemonstratedthatelectroacupuncture(EA)atNeiguan(PC6)couIdraisetheeIectricalexcitahilityofischemicmyocardium,lessenthedispersityofrecoveryexcitability,correctthedisorderofelectricalactivity;protectmyocardiacglycogenandphosphorylaseandalleviatetheirdepletion,increasecontentofribonucleiacid(RNA),etc.,indicatingthatEAcouldhelpoxidativernetaholismcarryoutnormal-IyandirnProvenutritionalstateoftheischemicmyocardiurn.ThekeypointofEAactionisprobablyregulatesthecoronarymicroclrculationofheartandreclistributesmyocardialbloodflow.Studieswithalkalinephosphatase(ALP),Mg2--ATPaseandABScastingoftheIeftcoronaryarteryshowedthatafterEAthenumberandtheIengthof
简介:ForestmanagementisexpectedtoinfluencesoilCO2efflux(FCO2)asaresultofchangesinmicroenvironmentalconditions,soilmicroclimate,androotdynamics.SoilFCO2ratewasmeasuredduringthegrowingseasonof2006inboththinningandnon-thinninglocationswithinstandsrangingfrom0to8yearsafterthemostrecentthinninginChinesefir(Cunninghamialanceolata(Lamb.)Hook)plantationsinHuitongEcosystemResearchStation,Hunan,China.SoiltemperatureandmoisturewerealsomeasuredtoexaminerelationshipsbetweenFCO2andsoilproperties.ForestthinningresultedinhugechangesinFCO2thatvariedwithtimesincecutting.Immediatelyfollowingharvest(year0)FCO2inthinningareaincreasedbyabout30%,declinedto20%–27%belowpre-cuttinglevelsduringyears4–6,andrecoveredtopre-cuttinglevelsat8yearspost-cutting.Asimilartemporalpattern,butwithsmallerchanges,wasfoundinnon-thinninglocations.TheinitialincreaseinFCO2couldbeattributedtoacombinationofrootdecay,soildisturbance,andincreasedsoiltemperatureingaps,whilethesubsequentdecreaseandrecoverytothedeathandgradualregrowthofactiveroots.StrongeffectsofsoiltemperatureandsoilwatercontentonFCO2werefound.ForestthinningmainlyinfluencedFCO2throughchangesintreerootrespiration,andthenetresultwasadecreaseinintegratedFCO2fluxthroughtheentirefellingcycle.
简介:TheTm-Ni-Coalloyfilmshavebeenpreparedbythesweeppotentialdepositiontechnique.ThesurfaceappearanceofTm-Ni-Coalloyfilmswassilver,smoothandadhesive.ThesurfacesofTm-Ni-Coalloyfilmsobservedbyscanningelectronmicroscope(SEM)wereuniform,adhesiveandcompact.Thesizesofmetallicgrainswereabout80-100nm,100-200amorphousasprovenbytheX-raydiffraction(XRD).
简介:磁性的元素Fe,公司和Ni的线性热扩大(CLE)的系数用与MATLAB计算相结合的理论模型从试验性的信息被估计。模型参数能精确地被决定,并且估计的数据在对试验性的结果的好同意。便于评价,热扩大的理论被使用把CLE分开成它的无磁性、磁性的部件。对CLE的无磁性的贡献的计算基于MnBi/NdFeB混血儿的修改Grc性质结合的磁铁都逐渐地减少,当混合磁铁的密度几乎线性地改善时。在293-398的一个温度范围?K,混合磁铁的coercivity温度系数从0.59逐渐地改善?%比较。建模和频率与二低角落频率认为压力消除阀门是一个秒顺序系统是合理的试验性的结果表演。PID控制,死了的乐队赔偿控制和鷸?鷸??
简介: