用离子交换方法制备了铜交换的分子筛，研究了将二价铜还原为一价铜的方法。
Cupric ion exchanged NaY zeolite was prepared. The method to reduce cupric into cuprous exchanged zeolite was studied.
探讨了利用原化学镀铜废液中的甲醛将铜还原，后酸化回收EDTA的新工艺。
Copper was reduced by formaldehyde which was contained in the effluent of chemical copper plating, and EDTA in the effluent was reclaimed after acidify.
Thiol-SAMMS也能还原像铜和金这样的贵重金属。研究人员现在正试图用其他原子代替硫，如此一来这种粉末就能去除放射性废弃物了。
Thiol-SAMMS can also recover precious metals such as copper and gold, and researchers are now switching out the sulfur for other atoms so that it could mop up radioactive waste.
这些化合物能溶于水，并含有游离的半缩醛羟基，所以在碱溶液中能还原银离子和铜离子。
These compounds are soluble in water, and contains the hemiacetal hydroxyl free, so in alkaline solution can reduce silver ions and copper ions.
经氧化—还原反应，铜渗入铁中。
By oxidation - reduction reaction, copper is cemented into the iron.
本文比较了硝酸盐测定的铜镉柱还原法在两个规范中技术指标和操作工艺的差异。
The technical index and operation procedure of the cadmium-copper column reduction in two China National Specifications were compared in this paper.
研究了以化学还原法与均匀沉淀法相结合的方法制备纳米铜粉。
The preparation of nanometer copper powder by chemical reduction combined with homogeneous precipitation method is studied.
在腐蚀制版时用水溶解成金黄色液体与铜产生置换氧化还原作用。
In corrosion seihan lube when yellow liquid into gold and copper oxidation and reduction reactions producing replacement.
用自制一氧化碳发生炉提供的还原气氛，在管式炉中仿制了铜红釉试片。
The sample of red copper glaze was imitated in pipe furnace under the reduction atmosphere offered by self-making co reaction furnace.
接枝纤维在含铜化合物，含硫还原剂溶液中反应，制备PET导电纤维。
Then the AN-grafted PET fibres were treated in a solution containing copper-compound and sulfur reducing agent to obtain PET conductive fibre.
探索用化学还原法制备纳米铜粉的可行性。
The feasibility of prepared nanometer-scale copper powders by chemical reduction method was studied.
以负载型铜、镍催化剂为加氢催化剂，液相加氢还原粗仲辛醇中的2辛酮制备高纯度仲辛醇。
The supported copper and nickel catalysts are applied to preparation of purified octanol 2 by using hydrogenation reduction.
化学镀铜反应受甲醛氧化过程动力学控制，甲醛氧化为铜离子还原提供电子。
Electroless copper depositing processess are controlled by the kinetics of formaldehyde oxidation reaction, which donate electron for the cathodic reduction of cupric ions.
结果表明，硝基苯能在铜电极上直接发生得电子还原反应，此即催化铁内电解法反应机理的显著特点。
The results indicated that direct reduction of nitrobenzene took place on copper cathode, i. e. the typical catalyzed iron inner-electrolysis characteristics.
试验结果表明，还原剂焦炭用量对金属钴镍收率影响最大，用量过大或过少都不利于钴镍的回收，而对铜的回收率影响不明显；
The experiment results showed that the dosage of coke had the largest effect on the recovery of cobalt and nickel, but no obvious influence on the recovery of copper.
此外，给出了一些合理化建议，有利于铜精炼阳极炉还原期节能效果进一步提高。
Furthermore, some reasonable advices are given and they should be beneficial to enhance more energy saving in deoxidization period of copper refining anode furnace.
产品半焦一部分作为最终产品应用在铁合金等行业，其余经过脱杂等处理制备成新型炭质还原剂用于铜精炼。
Part of char is used as final product in ferroalloy industries, the rest is treated with impurity removal and brought out the new carbonaceous reductants which applied in copper refining.
以酸性蚀刻废液为铜源，水合肼为还原剂，采用液相还原法制备纳米铜粉。
Nanometer copper powders were prepared from acidic waste etching solution containing copper using hydrazine hydrate as a reductive agent.
介绍了联醇铜基催化剂升温还原的方法以及升温还原过程中应注意的事项。
This article introduces the hyperthermic reduction process of alcohol-copper hase catalyst, besides, it points out the items for attention during hyperthermic reduction.
介绍了自还原法制备低温无铅铜红釉的工艺方法、工艺参数以及影响铜红釉呈色效果的因素。
Introduce technic method, technic parameters, and factors which affect the color of the glaze of low-temperature no-lead red copper glaze by using self-destruction.
本发明公开了一种低松比铜粉直接还原发生器及工艺。
The invention discloses a direct reduction generator for copper powder with low apparent density and a process thereof.
本法使用硫代氨基脲-抗坏血酸作为还原剂，将砷还原同时将铜沉淀分离。
Using a mixed solution of thiosemicarbazide and ascorbic acid as reducing agent, arsenic is reduced and separated from precipitated copper.
对超声场辅助增强作用下的液相化学还原法制备纳米级铜粉的工艺过程和条件进行了研究。
The preparation of nano-copper powders by chemical reduction were studied under ultrasonic field in the solution.
本尼迪克特溶液是硫酸铜(二价)的堿性溶液，它可以通过还原糖被还原为不溶性的铜(一价)的氧化物，产生红色的沉淀物。
Benedict 's solution is an alkaline solution of copper (ii) sulfate, which is reduced to insoluble copper (I) oxide by reducing sugars, giving a red precipitate.
详细介绍了一种铜及铜合金阴极还原着仿金色工艺及其配方。
A process and formula for gold imitated coloring of copper and copper alloy by cathodic reduction were advanced in detail.
此外，给出了一些合理化建议，有利于铜精炼阳极炉还原期节能效果进一步提高。
The results showed that reducing trend of LPG flux about deoxidation period of rotary anode furnace in copper refining was quite obvious its saving energy was remarkable with the increase of temper…
二氧化硫作还原剂，用碳酸铵溶液可实现从钴壳中选择性浸出镍、钴和铜。
Selective leaching of nickel, cobalt and copper from cobalt crusts was attained by using ammonium carbonate solution and sulfur dioxide gas as a reductant.
有机质、易还原锰和无定形铁对土壤铁、锰、铜、锌具明显的吸附富集效应。
An adsorption-enrichment effect of organic matter, reducible Mn and amorphous Fe on Fe, Mn, Zn and Cu was observed in the soil.
利用x射线衍射法对铜—锌和铜—锌—铝系低压合成甲醇催化剂还原态的结晶铜和氧化锌晶格畸变进行测定。
The crystal copper and distorted zinc oxide lattice of reduced low-pressure synthetic catalyst of methanol are studied with XRD.
利用x射线衍射法对铜—锌和铜—锌—铝系低压合成甲醇催化剂还原态的结晶铜和氧化锌晶格畸变进行测定。
The crystal copper and distorted zinc oxide lattice of reduced low-pressure synthetic catalyst of methanol are studied with XRD.
应用推荐