简介：冬季的秦皇岛港，海风刺骨，流冰零碎，浮标灯器上厚厚的冰层，从远处看去就像一座座冰塔。徐恩魁抡起大锤奋力凿开浮标上的冰坨，用手一把一把地将；东冰扔进海里。大口的哈气随着海风的方向散去，额头上的汗滴在阳光下分外显眼。这是“海标051”轮进行冬季海上航标应急抢险的场景。

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.