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- direct oxidation leaching 直接氧化浸出
- Leaching of a copper residue, produced by selected oxidation leaching of a nickel matte, in oxygenated sulfuric acid solution with the participation of chloride was investigated. 研究了镍锍选择性氧化浸出产生的铜渣在硫酸介质中氯离子参与下的氧气氧化浸出。
- The leaching performance of the low grade molybdenite from Jinduicheng Mine is investigated by both bioleaching and chemical oxidation leaching process. 采用细菌和化学浸出方法研究金堆城低品位辉钼矿的可浸性。
- Direct oxidation of toluene is a simple and cheap production technology of benzaldehyde. 摘要甲苯直接氧化制备苯甲醛是一条最为简单而经济的生产工艺。
- The new synthetic route for tetrahydrofuran via direct oxidation of butadiene was introduced. 介绍以丁二烯为起始原料、经乙烯基环氧乙烷制备四氢呋喃的新工艺。
- The capability of direct oxidation of CN~- to CNO~-, HS~- to SO_4~= might be in existence, but could not be the predominant reactions. CN~-和HS~-直接氧化生成CNO~-和SO_4~(2-)反应的可能性虽然存在,但并不一定是主要反应。
- The process of acetic acid production by direct oxidation of ethylene was studied using Pd-SiW 12 /SiO 2 based catalyst. 采用Pd-SiW12 /SiO2 系列催化剂 ,对乙烯直接氧化制乙酸工艺进行了研究。
- Trichloroacetyl chloride has been synthesised by direct oxidation of tetrachloroethylene with oxygen in the presence of ultraviolet light. 在紫外光催化下，以四氯乙烯为原料，直接氧化合成三氯乙酰氯。
- The pressure oxidative leaching of copper slag with high iron and silicon content was studied systematically. 对火法炼铅产高硅高铁含铜渣进行了氧压硫酸浸出过程研究。
- The production technologies of phenol are briefly introduced, i.e. method based on cumin, toluene-benzoic acid based method, and direct oxidation of benzene. 摘要简要介绍了苯酚的几种生产工艺，异丙苯法、甲苯-苯甲酸法和苯直接氧化法。
- Oxidation leaching with sulfate acid 硫酸氧化浸出
- acid pressure oxidation leaching 氧压酸浸
- The methods used include chemical oxidation, direct oxidation at high temperatures using high oxygen pressures, and the crystal growth of stoichiometric lead dioxide in the solution phase. 所使用的方法包括化学氧化法,在高温下用高压氧直接氧化以及化学计量准确的二氧化铅在溶液相中的晶体生长。
- At low cost, SiC_p/Al_2O_3-Al composites were synthesized by directed oxidation of metals(DIMOX). 在低成本的前提下;利用直接金属氧化法(DIMOX)制备了SiC颗粒增强Al_2O_3-Al基复合材料;并详细叙述了此种方法的工艺过程.
- acid pressure oxidative leaching 氧压酸浸
- Trimethylhydroquinone(TMHQ) was synthesized from 1,2,4-trimethylbenzene(TMB)in petroleum ether by direct oxidation using H_2O_2 as oxidant and ferrite-halogen complexes as catalyst. 以偏三甲苯(TMB)为原料,复合铁卤化络合物为催化体系,过氧化氢为氧化剂,石油醚为有机溶剂,直接氧化合成2,3,5-三甲基氢醌(TMHQ)。
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- I'll book you on a direct flight to London. 我将为你预订直飞伦敦的航班。
- He has chosen the most direct route. 他选取了最直的路线。
- Study on coupling of oxidation leaching and separation of coordinated extraction for sphalerite 闪锌矿氧化浸出与协同萃取分离耦合研究
