it was revealed that the formation of cerium conversion coatings involves a chemical dissolution process of anodized film and an electroreduction process of 4 valent state cerium compound.
研究结果表明铈转化膜的生成包括阳极氧化膜的化学溶解和4价铈化合物的电化学还原两个过程;
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.
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。
mass transfer modeling is of importance to many research fields such as transport and evolution of pollutants, chemical dissolution of rock, water quality of …
水-巖土体系质量传输模拟在巖土中污染物的迁移转化、巖土化学淋滤、地下水水质的形成与演化及热水成矿等众多研究领域具有重要意义。
sinkholes are formed by the chemical dissolution of carbonated rocks and are usually naturally occurring with a few instances of a sinkhole being formed by the collapse of a mine.
天坑是含二氧化碳的巖石在化学溶解作用下自然形成的,有些情况则是因为煤矿坍塌而生成。
laboratory experiment and industrial droduction have shown that with the chemical dissolution methods tungsten, molybdenum and cobalt can be separated.
试验和生产表明上述化学溶解法分离钨钼钴完全。