查询词典 neutralization

The paper analyses the unbalance condition of acid and alkali waste water treated by exchange resin of anion or cation in the waste water neutralization processing.

文章研究分析了在废水中和处理过程中，阴阳离子交换树脂再生排出的废酸水和废碱水不平衡状况，进一步改进废水中和处理系统，并采用动态中和操作法，使废水中和处理达到标准，提高废水回收使用率。

Influence of fluorine on filtration of acidinsoluble matter, crystal and filtration of calcium nitrate , ammonia neutralization of mother liquor and evaporation process of slurry are discussed based on its increasing slurry viscosity, growing fine crystal and troubling filtration in production of nitrophosphate by nitric acid decomposing phosphate rock.

介绍在硝酸分解磷矿生产硝酸磷肥的过程中，杂质氟对酸不溶物过滤、硝酸钙结晶及过滤、母液的氨中和及料浆蒸发过程的影响。

The initial products of neutralization-conversion contain oxychloride, cubic and orthorhombic antimony white. The final products turned into single cubic antimony white.

在酒石酸根离子存在的情况下，氯氧锑中和转化初期产物物相含有氯氧锑、立方晶型和斜方晶型锑白，随着时间的延长，完全转化为单一的立方晶型锑白。

Brief description is given to the test on the technology for comprehensively recovering gold and silver from tellurium-bearing slag: Tellurium-bearing slag is ground and leached with water to produce crud tellurium dioxide which is then purified through ion precipitation and complexing purification process; leaching reside is leached with chloride to produce copper and bismuth, bismuth oxychloride is recovered through neutralization and hydrolysis and sponge copper is recovered through cementation; gold and silver in the remaining residue can be recycled to the gold and silver smelting system for recovery.

文摘：简述了碲渣综合回收金银等的工艺试验：碲渣经磨矿水浸碲产出粗二氧化碲，用离子沉淀和络合净化法提纯；浸碲渣用氯盐浸出铜铋，中和水解回收氯氧铋，置换回收海绵铜；残留渣中的金银可返回金银冶炼系统回收。

Preparation of calcium lactate by neutralization of calcinated egg shells at different conditions is studied.

对蛋壳的壳膜分离及综合利用制取乳酸钙进行了研究。

Hydrogen peroxide as oxidizer and sodium carbonate as remover, arsenic, iron, nickel, calciumand lead are removed from copper-bearing mixture by neutralization and precipitation, then use the liquor thathave been filtrated react with the sodium carbonate to produce basic copper carbonae and make the quality of theproduct meet the export request.

采用氧化和中和沉淀方法，以H_2O_2作氧化剂、Na_2CO_3作脱杂剂脱除含铜混合液中的As、Fe、Ni、Ca、Pb等杂质，利用其与碳酸钠反应生产减式碳酸铜，并使产品质量达到出口要求。

The difference of the coagulation behavior for above coagulants is due to their difference in charge neutralization and speciation stability.

揭示了各种聚合铝电中和能力的差异源自于不同水解形态的荷电与稳定性的不同。

Ferric-polysilicate coagulant is a new type of inorganic polymer flocculants; its made up by adding ferric to polysilicate-sulfate, and it has not only the property of electricity neutralization of iron, but also the property of adsorption and framing of polysilicate-sulfate. It is more efficient than traditional flocculants in depurating wastewater.

聚硅酸铁是一种新型的无机高分子絮凝剂，是把金属铁盐引入到聚硅酸中复制而成，兼有铁盐的电中和能力及聚硅酸的吸附架桥能力，净水能力高于传统的絮凝剂。

Etchants are high consumption and high pollution of the printed circuit board industry; therefore this research uses the etchant for the acid copper chloride amount the high copper content in the printed circuit board industry, using the neutralization for acids and bases to prepare of the copper salt by the acid wasted etching liquid.

中文摘要在印刷电路板业中蚀刻液属於高用量及高污染性质的液体；因此本研究主要使用印刷电路板业中含铜量较高之酸性氯化铜蚀刻液，使用酸碱中和法从酸性蚀刻废液制备出铜盐，以达到废弃物资源化再利用之永续经营。

A stream of wastewater from citric acid production process was treated by using a biological process of the following steps: wastewater from citric acid neutralization→cultivating feed yeast→solubles tank→photosynthetic bac-teria tank→activated sludge tank.

采用柠檬酸废水→培养饲料酵母→可溶化槽→光合细菌槽→活性污泥工艺流程处理柠檬酸废水，实验结果表明，技术可行：原废水中COD_和BOD_5的总去除率达98％以上，达国家GB8978-88排放标准；

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。