简介:TheobjectiveofthisresearchwastoexamineifcertainstrainsofBacillusbacteria,couldsurviveindrypowderproductsandifso,couldthebacteriadegradeorganiccontaminantsinsalinewastewateronaship.Aspartofthestudy,weisolated7domesticatedstrainsnamedNY1,NY2,…,andNY7,thestrainNY6showedtohavethebestperformancefororganicmatterdegradationandcouldsurviveindrypowdermorethan3months.NY6wasidentifiedasBacillusaerius,basedonthemorphologicalandphysic-chemicalproperties.Itsoptimalgrowthconditionswereasfollows:salinitywas2%;temperaturewas37℃;pHwasin6.5-7.0;bestratioofC:N:Pwas100:5:1.ThecapabilityofitsdrypowderforChemicalOxygenDemand(COD)removalwas800mgCOD/ginsynthesizedmarinewastewaterwith2%salinity.Thesporesinthedrypowderwere1.972×108g-1.
简介:结合金属氢化物-镍蓄电池内部电极反应过程,介绍了该电池的充电、放电、温度、自放电、充放电循环寿命等电气特性。并结合电动自行车的实际应用,对电池组的设计与制造提出了建议。通过与锂离子电池、铅酸电池性能的比较,说明了氢镍电池作为电动车动力电源的优点。从新材料、新结构、新技术的应用带来电池性能的大幅度提高,展示了氢镍电池发展的前景。