In the activation treatment on the surface of substrate, the plating metal ions was catalyzed reduction metal coating process of formation.
在经活化处理的基体表面上，镀液中金属离子被催化还原形成金属镀层的过程。
The two-step process involving gas oxidation of phenol to benzoquinone with complex metal ions catalysts and reduction of benzoquinone to hydroquinone with iron powder was studied.
以苯酚为原料，复合金属离子为催化剂，研究用气相氧化合成苯醌，用铁粉还原苯醌制对苯二酚的两步法工艺，考察了氧化过程中的工艺条件对反应的影响。
Hydrogen reduction of chlorides is a perspective recovery process for refractory metal and alloy scraps.
用氯化物氢还原法从废料中回收高熔点金属和合金具有良好未前景。
Behavior of microbial dissimilatory reduction in the process of bioleaching metal oxide was researched to increase the leaching efficiency of Marine manganese nodules.
为考查异化还原微生物在浸出金属氧化物中的行为，提高微生物浸出深海多金属结核的效率。
Ferric oxide is the most abundant metal oxide, and it is very important in oxidization - reduction of soil and in soil-shaped process.
氧化铁是土壤中最为丰富的金属氧化物，在土壤的氧化还原反应和土壤形成过程中起着十分重要的作用。
During the reduction process, it is possible to obtain metal with dense layer or ultrafine powder by controlling the reaction temperature and chloride concentration.
在还原过程中，控制反应温度及氯化物浓度可以获得金属致密镀层或超微粉末。
Process and tests on recovering chrome oxide in metal chrome dust by metallothermic reduction and then producing metal chrome in Hunan Ferroalloy Works are introduced.
本文介绍了湖南铁合金厂从炉外法冶炼金属铬收尘灰中回收氧化铬、再制取金属铬的工艺及试验情况。
Process and tests on recovering chrome oxide in metal chrome dust by metallothermic reduction and then producing metal chrome in Hunan Ferroalloy Works are introduced.
本文介绍了湖南铁合金厂从炉外法冶炼金属铬收尘灰中回收氧化铬、再制取金属铬的工艺及试验情况。
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