查询词典 sulfuric

Under the characteristics of the raw materials of slag made of ilmenite in our country, we use sulfuric acid to produce titanium dioxide in this design, use orthogonal test analysis to investigate the acid soluble condition and make analytical discussion about the influencing factors of sulfuric acid rate.

针对我国钛铁矿制出的钛渣原料的特性，设计采用硫酸法生产钛白粉工艺。本实验是利用正交试验方法研究钛渣的酸溶性条件的实验，对其酸解率的影响因素进行了分析讨论。

The effects of Cortex phellodendri alkaloid on splenic lymphocyte proliferation after heat stress were detected by MTT chromatometry.On the basis of the above detection,CPAs extracted by limewater,ethanol,sulfuric acid water and the mixture of sulfuric acid-and-ethanol were choosen.

采用MTT法测定了热应激后小鼠脾淋巴细胞增殖的情况，以此作为醇提、碱提、酸醇提、酸提4种提取方法所得黄柏生物碱的筛选依据；采用ELISA法测定了醇提黄柏生物碱对热应激后小鼠脾淋巴细胞IFN-γ、IL-4分泌水平的动态影响。

Jie Sheng chemical into the liquid is mainly sulfur-burning sulfuric acid, potassium sulfate, chlorosulfonic acid, liquid sulfur dioxide, sulfur trioxide, nitrosyl sulfuric acid, as well as cogeneration for steam systems, a variety of products amounted to more than 20 years of logistics million tons, capacity 16 million KWH, steam 140,000 tons; a lot of sulfur in addition to the downstream products in the study of chemical development.

捷盛化学目前主要建成液体硫磺制酸、硫酸钾、氯磺酸、液体二氧化硫，三氧化硫、硫酸亚硝酰项目以及余热发电、供汽系统，各类产品年物流量达20余万吨、发电量1600万KWH、蒸汽14万吨；另外还有诸多硫化工下游产品在研究开发之中。

The result is better than the phenol sulfuric acid method, thus we think the anthrone sulfuric acid method determining gingko leaf polysaccharide content more ideal method, When we do purification experiment of gingko leaf polysaccharides, we may use it for the partial collections of polysaccharide and carry on the track examination.

结果比苯酚硫酸法好，因而可认为蒽酮硫酸法是测定银杏叶多糖含量较为理想的方法，在分离纯化银杏叶多糖时可用于对部分收集的多糖进行跟踪检测。

Hazardous Chemicals Industry: 200,000 tons / year polyethylene unit and chlorine oxidation Poly perchlorethylene devices, 80,000 tons / year PVC plant calcium carbide, 200,000 tons / year of sulfur-based sulfuric acid plant, 100,000 tons / year sulfuric acid plant following pyrite, 100,000 tons / year caustic soda , coal tar processing a single set of devices 100,000 tons / year the following new projects, etc., should be to stop the project examination and approval.

危险化学品行业：20万吨／年以下聚乙烯装置和氯氧化法聚氯乙烯装置、8万吨／年以下电石法聚氯乙烯装置、20万吨／年以下硫磺制酸装置、10万吨／年以下硫铁矿制酸装置、10万吨／年以下烧碱装置、煤焦油加工单套装置10万吨／年以下等新建项目，一律停止立项审批。

The paper,according to the analyzing of lead dross reverberator dust,put forward the new technics indium distilling by sulfuric acid leach ing,P204 extraction,sulfuric acid washing,hydrochloric acid reverse extraction,zinc replacement,smelting,electrolysis,casting etc.

研究分析了铅浮渣反射炉烟尘的性质和特点，提出了二段硫酸浸出、P204萃取、硫酸洗涤、盐酸反萃、锌板置换、压团熔铸、电解铸型的提铟新工艺，并进行了全流程的试验研究，明确了各工序的工艺技术条件。

For many years, the company has been devoting to the spectacled production of citric acid and sulfuric acid, has cultivated a group of high-level professional and technical staffs and founded several well-equipped production line of citric acid and sulfuric acid.

多年来，公司一直致力于柠檬酸和硫酸的专业化生产，缔造了一批高水平的专业技术人员以及数条装备精良的柠檬酸和硫酸生产线；年产柠檬酸和柠檬酸系列产品6万吨、硫酸系列产品20余万吨。

The effect of flow rates, initial concentrations, resin bed heights, its height/ diameter ratios and temperature on breakthrough curves of sulfuric acid/2-naphthalenesulphonic acid, 2-naphthalenesulphonic acid/sulfurous acid and sulfuric acid/ 2-naphthalenesulphonic acid/sulfurous acid systems was investigated. Excellent agreement was obtained between experimental data and the suggested breakthrough data model, with which the breakthrough curves can be accurately predicted for multi-component adsorptive separation in resin bed, the experiment of adsorptive separation may be scaled up, and the plant may be designed.

考察了流速，初始浓度，床层高度，床层高径比，温度等因素对硫酸-2-萘磺酸，2-萘磺酸-亚硫酸和硫酸-2-萘磺酸-亚硫酸等混合体系穿透曲线的影响，所建立的穿透曲线模型与实验结果拟合较好，模型可较准确预测多组分吸附分离的穿透曲线，可用于指导吸附分离实验的放大以及装置的设计。

ABSTRACT In the process of rare earth production, large amount of sulfuric acid, hydrochloric acid and ammonia are consumed, However, there are large amount of sulfuric acid, hydrochloric acid or ammoniacal nitrogen in solutions or discharged waste water which need to be treated.

稀土冶炼过程中，一方面大量使用硫酸、盐酸及氨等化工原料，另一方面，在生产过程的某些中间环节或排放的废水当中，又含有大量的硫酸、盐酸或氨氮化合物需要处理。

The effects of temperature, dialogite-to-sulfuric acid ratio, and solid-to-liquid ratio on leaching of dialogite by sulfuric acid were researched in the leaching experiment of ores from Hubei.

通过对湖北矿的浸取试验研究，讨论了温度、矿酸比、固液比对菱锰矿硫酸浸取的影响，优化了浸取条件，并确定温度对浸取的影响最为显著，使浸取率可以达到99。

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％。