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简介:Theinfluenceontheeffectivenessofsterilizationbylow-temperatureplasmasterilizerCASP-80Awasinvestigatedsoastoprovideatheoreticalbasisforreducingmedicalcostsandachievingidealsterilizationeffectiveness.Toconducttheon-sitesimulationtest,aclinicalmaterialsterilizationtestandatestoftheinfluenceoforganicsubstancewereconducted,theformerbyusingtherepresentativeofBacillusStearothermophilus,preparingthebacteria-contaminatedcarrierthroughpolytetrafluoroethylene(PTFE)simulatedhoseendoscopes,andthelatterbyusingcalfserumastheinfluencefactoroftheorganicsubstance.TheresultsshowthattheCASP-80Alow-temperatureplasmasterilizercouldachieveeffectivesterilizationbyeithertheshort-cycleorthelong-cyclesterilizationmethoddependingondifferentmaterials,apparatus,andextentofcontamination.Theorganicsubstancescouldinfluencetheeffectivenessofsterilizationbythelow-temperatureplasma(H_2O_2)sterilizer.
简介:Depositionofnanocrystallinesilicon(nc-Si)onglassatverylowtemperaturesbyelectroncyclotronresonance(ECR)plasmaenhancedchemicalvapourdeposition(PECVD)wasinvestigated.Itwasshownthatnc-Sicouldbedepositedfromhydrogendilutedsilanegasatasubstratetemperatureof80℃withacrystallinefractionupto80%andalateralgrainsizeofaround50nm.Thiswasachievedbygrowingthenc-Siinalowpressureregimewhichensuredthatmono-silylspecieswerethedominantdepositionprecursor.Furthermore,ahighfluxofenergetichydrogenionswasrequiredtoinducecrystallisationofthesiliconmaterialthroughachemicalannealingprocess.
简介:本文通过研究AP1000基于数字技术的△T超温/超功率保护功能的实现方式,分析了该实现方式相对于其他△T超温/超功率保护功能的实现方式的主要改进,说明了这种保护功能具有简单、有效和能够扩大运行范围的优点,指出了需进一步研究的内容.