Isolable carbocyclic compounds contain seven or fewer carbons in the cycle.
可分离环化合物环内含七个或七个以。
Isolable carbocyclic compounds contain seven or fewer carbons in the cycle.
可分离环化合物环内含七个或七个以。
In general,the cylindrical roller bearings, belonging to axial discerptible bearing,are suitable only for sustaining radial loads.The contact of roller with race is linear.
圆柱滚子轴承一般只用于承受径向负荷,滚子与套圈滚道为线性接触,属轴向可分离型轴承。
Palladium can be separated from polyxene by the process of resolving polyxene,removing nitrate,precipitating palladium,etc.The grade of pure platinum obtained from the process is more than 99.95%.
铂经王溶,赶硝,加入丁二酮肟使大部分钯以沉淀形式与铂分离,余留少量钯用溴酸法处理,可达到铂钯分离目,所得纯铂品位高于99.95%。
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