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简介:Low-creepratebrickH1SSandH2SShavebeenstudiedinLuoyangRefractoriesCo.,Ltd.onthebasisofformerresultsusingdifferentgradesyntheticmulliteandnaturalsillimaniteconcen-trate,Goodmicrostructureandhightemperaturepropertiescanbeobtainedbyusinghighqualityrawmaterialandreasonableproportioningandtechnology.ThecreepvaluesofH1SSandH2SSarelesshan0.5%at1400℃and0.45%at1350℃。
简介:Lowtemperatureliquidphaseepitaxyofsiliconthinfilmswassuccessfullycarriedoutatatemperatureof(400-500)℃,usingAu/BialloyasaSi-saturatedSnsolutionwasusedtoprotectthesubstratesurface,preventingeffectivelytheoxidationofsilicon.ThegrownSithinfilmswereidentifiedbySEM,AESandC-Vmeasurements.
简介:Inadditiontodeploymentofthecommercialmanagementproducts,anumberofpublicandselfdevelopedtoolsaresuccessfullyusedatFermilabformonitoringofthecampusnetwork.Asuiteoftoolsconsistingofseveralprogramsrunninginadistributedenvironmenttomeasurenetworkparameterssuchasaverageround-triptime.traffic,throughput,errorrate,DNSresponsesandothersfromdifferentlocationsinthenetworkisused.Thesystemmaintainsacentralarchiveofdata,makesanalysisandgraphicalrepresentationavailableviaaweb-basedinterface.ThedevelopedtoolsarebasedonintegrationwithwellknownpublicsoftwareRRD,Cricketfping,iperf.
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简介:Thisthesishasfurtherstudiedthelowresistanceofmeridianpointswithanewin-strumentcalledModelTZ-03ofresistancedetectorforAcupoints.Throughexperimentsandclinicalobservation,theauthorfoundthatthechangesofskinresistancesofpointsarecloselyrelatedtothechangesofhumanphysiologyandpathology.Theexperimentsalsoshowthatthefactorswhichinflu-encetheresultsarecomplicatedandchangeableinmanyways.Therefore,theabsolutevaluesoftheresistancesofpointsarenotpreciseandstahlefandtheratiooftheresistanceofbilateralpointofthesamenameismorere1iable.Inhealthypeople,theresistancesofthesarnepointsontwosidesofthebodyaresimilar,andthereismuchdifferenceoftheseresistancesamongpeoplewithdiseases.
简介:Low-voltageElectricalApparatus(LVEA)whichisakeylinkfortransmittingelectricalpowertousers,isconnectedbetweentransformerandloadmainlytobeusedfordistribution,pro-tection,controllingofelectricalcircuitsandalsoforstarting,adjusting,stoppingandindicatingofload.Thelow-voltageelectricalproductsincludeswitch
简介:Combinedwithflow-injection(Fl)technology,asimplechemiluminescence(CL)methodwasdevelopedforhydrazinedeterminationinthispaper.ItwasfoundthathydrazinecouldgreatlydecreasethestrongCLsignalproducedbythereactionbetweenluminolandhexacyanoferrate(Ⅲ)inalkalinemedium.ThedecreasedCLintensitywaslinearwithhydrazineconcentrationintherangeof5.0×10-9gmL-1to4.0×10-5gmL1,andthelimitofdetectionwas2.0×10-9gmL-1(3σ)witharelativestandarddeviationof2.4~4.1%(n=5).