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本文提出用银盐代替铜盐用间接原子吸收光谱测定。In this paper, the silver salt instead of cupric salt is proposed.

载铜电气石由电气石和铜盐制成。The copper-carrying tourmaline is made of tourmaline and cupric salt.

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但是,他们在不同的收缩率,从而使黑色铜氧化物片赶走。But they shrink at different rates, which makes the black cupric oxide flake off.

但他们在不同的收缩率,这使得黑铜氧化物片状小康。But they shrink at different rates, which makes the black cupric oxide flake off.

中文摘要本研究使用强氧化剂中的过硫酸钠来制备氧化铜。In this research used strong oxidant, sodium persulfate, to prepare the cupric oxide.

由于铜得到进一步白热化,颜色改为黑色涂层的铜氧化物。As the copper gets hotter, the colors are replaced with a black coating of cupric oxide.

聚烯烃类高分子基体对铜质金属电极的粘合性较差,易产生较大的接触电阻。Higher contact resistance due to poor adhesive of polyolefine matrix to cupric electrodes.

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用循环法研究了氧化铜氯化反应平衡。The chlorination equilibrium of cupric oxide has been investigated using the circulation method.

用海绵铜生产硫酸铜,其困难在于除铁杂质。A hard problern is free from impurity iron in tbe preparation of cupric sulfate from spongy-copper.

当燃烧器,是光辉的红色热,表铜将有一层黑色铜氧化物大衣。When the burner is glowing red-hot, the sheet of copper will be coated with a black cupric oxide coat.

镀镍溶液中的铜离子是一种有害的金属杂质,检测和控制其在镀镍液中的含量十分重要。It is very important to determine and control the content of cupric ion in the nickel bath in practice.

通过对几种硫酸铜生产工艺的分析,提出了以海绵铜为原料生产硫酸铜是种较好的方法。The method that cupric sulfate is synthesized from spongy copper is thought to be the best among several routines.

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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.

本实验采用热蒸镀法制备铜奈米微粒,并利用热板对其加热得到氧化铜奈米微粒。The copper nanoparticles were fabricated by the thermal evaporation method, heated to form cupric oxide nanoparticles.

探讨了无水硫酸铜作催化剂合成富马酸二异辛酯的方法和工艺条件。DOF was prepared by using anhydrous cupric sulfate as an esterification catalyst of fumaric acid with isooctyl alcohol.

可能是TP试剂因含高浓度硫酸铜,对镁测定有正干扰。TP reagent had significant influence on detecting magnesium, because it contented the high concentration of cupric sulfate.

镀液单位体积的重量是焦磷酸钾和焦磷酸铜含量的函数。The weight of copper plating solution in a unit volume was function of contents of cupric pyrophosphate and potassium pyrophosphate.

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化学位图分析表明,铜离子总浓度是影响氯脱除率的主要因素。The diagram of chemical potential shows that the total concentration of cupric ions is main influence factor on chloride precipitation.

重点考察了平衡时间、共溶剂用量、温度和压力等对硝酸铜溶解度的影响。And we also analyzed the effects of equilibrium time, dosage of cosolvent, pressure and temperature on the solubility of cupric nitrate.

用铜盐置换法分离测定单体金属元素时,通常均获得偏高的结果。Higher results are usually obtained for separation and determination of monomeric metal-elements by replacement reaction of cupric salt.