查询词典 acid process

The stability ofradioactive microspheres can be improved by coating with ploT-L-lactic acid; however,about 60% of the activity leaches from the microspheres in this process, and approximately10% of the activity leaches after washing with saline. Fortunately, 30% of the activityremained stably in the resin microspheres.

体外稳定性实验结果表明：1采用离子交换法制备的放射性树脂微球标记核素脱落严重，使用聚乳酸包被放射性树脂微球可以提高其稳定性，但是包被过程中约有60％核素脱落，生理盐水洗涤约有10％的核素继续脱落，不过剩余的30％稳定存在于树脂微球上。

Based on the above, the mechanism of dissolving CaSO4, oxidizing dissolving metal sulphide and dissolving basic oxide in the process of lixiviating sulfuric acid residue is analyzed.

在此基础上对硫酸渣浸出过程中CaSO4溶解、金属硫化物氧化溶解、碱性氧化物溶解的机理进行了分析，指出硫酸渣是一种具有开发价值的二次资源。

Influence of magnetizing treatment on rectification process of fatty acid

为进一步研究磁化处理对脂肪酸精馏过程的影响，在不同磁感应强度的磁场中，研究了磁化处理对脂肪酸物理性质的影响。

The phenomena of precipitation pattern growth in metal bile acid sol-gel systems were investigated thoroughly. It has been found that the pattern formation process was very complicated, Liesegang rings and manifolded fractal patterns occurred in these systems.

系统研究了金属离子-胆酸钠扩散体系中沉淀图形的生长现象，发现该类体系中沉淀图形的生长极为复杂，出现了周期沉淀及多种复杂分形状沉淀。

Acidic aqueous ferric sulfate was abstained by heating maturating, dissolving and filtration process of mixture of pyrite cinders and sulfur acid.

摘 要：硫铁矿烧渣是硫酸制备过程中产生的固体废弃物。将硫铁矿烧渣与硫酸混合后，经过熟化、水溶、过滤得到酸性硫酸铁溶液。

Such a process includes the preparation of an initial stabilized peptized solution including a titanium precursor material, an organic solvent, an acid agent, the mixing of said initial solution with a large amount of water, the pH of the obtained intermediate solution being less then 3, subjecting said intermediate solution and its dispersion to a heat-treatment, the exchange of water by an organic solvent with low surface tension to obtain a final solution that is finally dispersed.

这样一种方法包括制备包含钛母体材料、有机溶剂、酸介质之开头的稳定化胶溶溶液，将此起始溶液同大量水混合，所得到中间溶液的pH小于3，使此中间溶液及其分散体系经受热处理，用低表面张力的有机溶剂更换水来获得末了加以分散的最终溶液。

The process of the preparation of the kind of emulsion mainly includes two important parts.The first part is emulsion polymerization of polysiloxane , that is , octamethylcyclotetrasiloxane polymerizes into polysiloxane emulsion by means of ring-expansion under emulsion and acid conditions.

制备过程主要包括两部分的内容：第一部分内容是聚硅氧烷乳液的合成，即八甲基环四硅氧烷在乳液状态中，酸性条件下开环聚合制成聚硅氧烷乳液。

Some of these enzymes hae two main functional parts, or actie sites: a site that links the amino acid to the tRNA, and a separate editing site that proofreads this process and remoes wrongly added amino acids.

这些酶中有些酶具有两个主要功能部分或活性位点；一个位点用于连接氨基酸和tRNA，另一个独立编译位点用于校正翻译过程并移除错误的氨基酸。

And the yield of this process reached more than 98% by the chemical ore-milling of the slags using by hydrochloric acid.

稀土转型渣经过化学选矿，在合适的酸度、反应时间和固液比等条件下，稀土渣品位由18.6%提高到31%左右，稀土收率大于98%。

The present invention adopts ammonium salt solution as leach, and adopts the liquid-phase oxidation activating agent formed from surfactant sodium ligno-sulfonate or sodium dodecyl sulfonate, liquir phase oxidation catalyst Cu(2+) and sulfur-extracting agent tetrachloroethylene to implement quick leaching process of sulkfide mineral in gas-liquid-solid three-phase reactor, all the sulfurs contained sulfide in mineral powder can be converted into elementary sulfur and sulfuric acid radical, the contained zinc, copper, nickel, cobalt, lead, cadmium and silver can be changed into soluble salt, and fed into leach or remained in the leaching out slag.

本发明涉及的有色金属硫化矿的铵盐液相氧化直接浸出方法，其特征在于：采用铵盐溶液作浸出剂，采用由表面活化剂木质磺酸钠或十二烷基磺酸钠，液相氧化催化剂Cu2+、萃硫剂四氯乙烯组成的液相氧化活化剂，在气液固三相反应器内，实现硫化矿的快速浸出过程，矿粉中各种硫化物所含的硫转变为单质硫和硫酸根，所含的锌、铜、镍、钴、铅、镉、银等变成可溶性盐类进入浸出液中或留在浸出渣中，消除传统流程中二氧化硫，硫化氢，氮氧化物及含砷含汞含铅等有毒烟气的排放。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。