Isolable carbocyclic compounds contain seven or fewer carbons in the cycle.
分离的碳环化合物环内含七个或七个以下的碳。
Isolable carbocyclic compounds contain seven or fewer carbons in the cycle.
分离的碳环化合物环内含七个或七个以下的碳。
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.
圆柱滚子承一般只用于承受径
负荷,滚子与套圈滚道为线性接触,属
分离型
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%.
铂经王水溶
,
,加入丁二酮肟使大部分钯以沉淀的形式与铂分离,余留的少量钯用溴酸钠水
法处理,
达到铂钯分离的目的,所得纯铂品位高于99.95%。
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