查询词典 acid process

Sulfite production process at present is already very mature but production costs remain high, the low rate of sulfur oxidation, dust removal effect of poor, low yield of sulfur dioxide, sulfurous acid in the solid suspended matter and other issues and more.

目前亚硫酸生产工艺已经非常成熟，但是仍然存在生产成本高，硫氧化率低，除尘效果差，二氧化硫收率低，亚硫酸中固体悬浮物多等问题。

Experiment results and theory analysis showed that the rate constants of TDG, ethanol, sulfurous acid, S〓, S〓O〓 and SO〓 increased with the increase of polarity of system, which implied that the activated complexes in the process were more polar than the reactants.

随体系极性增大，TDG、乙醇、亚硫酸、S〓、S〓O〓和SO〓的SCWO反应速率常数增大，表明过渡态活化复合物极性大于反应物。

It improved aLl—tomation level of production process and quality of sulphuric acid and decreased production cost significantly.

在提高生产装置自动化水平的同时，使硫酸产品质量提高，生产成本大幅度降低。

It improved au- tomation level of production process and quality of sulphuric acid and decreased production cost significantly.

在提高生产装置自动化水平的同时，使硫酸产品质量提高，生产成本大幅度降低。

The sulfuric acid leaching process of tailings by using microwave was studied in this paper.

通过尾矿砂微波加热硫酸溶解新方法的实验，研究了硫酸浓度、液固比及反应时间等因素对尾矿砂酸蚀率的影响。

The project to be built with an annual output of 20,000 tons a polyethylene terephthalate plant. Adopting advanced and mature direct esterification process for the production of raw materials for purified terephthalic acid and 1,3-propanediol.

本项目拟建设一套年产2万吨聚对苯二甲酸丙二醇酯生产装置，采用国内先进成熟的直接酯化法生产工艺，主要原料为精对苯二甲酸和1，3-丙二醇。

Thus this method could be applied to monitor the process of producing dinitrogen pentoxide by electrochemical oxidation of dinitrogen tetroxide in nitric acid. The results from the two-step titration method of redox titration combined with acidity titration were well consistent with that from the method of redox titration combined with NMR.

氧化还原和酸度两步滴定与氧化还原滴定结合核磁共振光谱法的分析结果表明，两种方法的分析结果吻合良好，精确度良好，两种方法都可用于N_2O_4-N_2O_5-HNO_3体系各组分的全浓度分析。

The Aluminum and plastic composite board has the advantages such as high strength, light weight, strong thermophile, good heat insulation, good capability of fire prevention, strong ability of anti-acid corrosion, easiness for process as well as cleanliness and convenience, etc. furthermore, the board is of low cost, good decorative effects, therefore it has a strong competitiveness to select this kind of board.

铝塑复合板具有强度高、重量轻、适温性强、隔热效果好防火性好、耐酸性强、易加工、清洁简便等特点，而且其成本低，装饰效果好，在众多装饰板中极具竞争力。

The acid hydrolysis process during synthesizing silica materials with natural wollastonite, which is of a triclinic cell, was investigated with XRD and chemical analysis methods.

采用 XRD和化学分析方法研究了三斜晶系普通硅灰石制备二氧化硅材料中的酸解过程。

The experimental process was as follows: a set of 5 immobilized copper ion affinity membranes were loaded into a column, uncombined copper ion was removed with 5 mL of sodium phosphate-citric acid buffer (pH 7); the Hb sample volume was 2 mL, and uncombined Hb was eluted with 10 mL of the buffer.

中文内容：摘要：将纤维素滤纸进行碱处理及环氧活化、偶联亚氨基二乙酸、固定化铜离子等处理，并将其装入自制的色谱柱管，制得固定化铜离子亲和膜色谱柱。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。