The free fluorin content in liquid multi - vitamin was quantitatively analyzed by using a simple potentiometric titration.使用简单的电位滴定法定量分析维生素中游离氟的含量.Single aerosol particles inin winter 2004 were analyzed by proton micropr...
Production tests show that reasonable knotting, drying and fritting technology of rammed lining furnace life significantly.生产试验表明:合理的捣筑炉衬打结工艺和烘烤烧结工艺,使炉龄大幅度延长....
He was in no hurry to walk down the aisle.他并不急于结婚。A quick movement across the aisle caught his eye.有个人影在走道里一闪而过，引起了他的注意。He started down the centre aisle.他从中间过道开始往前走。...
Her specialty is taxation law.她的专长是税法。Those were the dodges he used to escape taxation.那些是他用以逃税的诡计.Government expenditure is financed by taxation and by borrowing.政府开支依靠征税款和借贷来维持。The new government has increased taxation...
Clusters of tiny insects called aphides were to be found on the underside of the leaves.在树叶阴面,可以发现一簇簇叫做蚜虫的小昆虫.Sap passes right through the aphides' bodies, only getting a little thicker and sweeter.汁液直接流过蚜虫的身体, 结果只是...