根据在反应体系中的不同存在形态和催化过程，把非均相化含钨催化剂分为液-液两相催化剂和固载化催化剂两大类。
According to the different patterns and catalytic processes, the heterogeneous catalysts are classified into two types, namely liquid-liquid biphasic catalyst and immobilized catalyst.
介绍了镍钨镀层、镍钨硼（磷）镀层、含钨复合镀层和含钨电刷镀镀层等的研究与开发的近期进展。
The paper present the new developments of Ni-W coat, Ni-W-B coat, tungsten composite coat and tungsten brush coat etc.
本文讨论了从钨钼混合丝(条)和合金残料等含钨废料中分离钨钼钴的化学溶解法。
The chemical dissolution methods to separate and recover tungsten, molybdenum and cobalt in tungsten scraps such as mixed W-Mo wires (bars) and alloy scraps are discussed.
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