精制的

The first stage was actually the primary purification process, in which most of inorganic ammonium and some total ammine can be removed along with the primary purification process, the second stage was liquid phase oxidation method by sodium hypochlorite, in which inorganic ammonium and total ammine can be further removed.

一段除铵为原有的尾盐一次精制工艺。研究发现，在一次精制的同时，可以除去尾盐中的大部分无机铵及部分总胺，二段除铵采用次氯酸钠液相氧化法，以进一步除去尾盐中无机铵及总胺。

Bried introdution: The product is from oil lube distillate cut and leavings without asphaltum.

产品简介：本产品以精制的大庆石蜡基油为基础油，添加极压，抗磨剂，防锈剂、防氧剂、抗泡剂等多种优良添加剂调试而成。

I have eight main products plant water barium hydroxide, a water barium hydroxide powder, a crystal water barium hydroxide, barium borate partial, thiourea, barium carbonate, barium chloride, barium nitrate, after I plant refined products up to no chlorine, no sodium, low Sr, low iron.

我厂主要产品有八水氢氧化钡、粉体一水氢氧化钡、晶体一水氢氧化钡、偏硼酸钡、硫脲、碳酸钡、氯化钡、硝酸钡等，经过我厂精制的产品可达无氯、无钠、低锶、极低铁。

The process and main reactions for coking crude benzol refining was introduced.

摘 要：介绍了焦化粗苯加氢精制的工艺方法及主要反应。

This paper describes in detail crude benzol hydro-refining process technology and market prospect, expounds the advantages and disadvantages and economic benefit analysis of various crude benzol hydro-refining technology.

摘 要：本文系统的介绍了粗苯加氢精制的工艺技术以及市场前景，阐述了各种粗苯加氢精制技术的优缺点及经济效益分析。

The crude benzol process technology and future development orientation were introduced, the crude benzol refining process and process feature were analyzed, therefore technical personnel have got preliminary knowledge and understanding on crude benzol refining process.

摘 要：介绍了粗苯精制的工艺技术及未来发展方向，分析了粗苯精制工艺流程及工艺特点，使技术人员对粗苯精制工艺有初步的了解和认识。

Furfural refining of lube oil is the main and extremely important technique of solvent refining in china at present.

目前，润滑油糠醛精制是我国润滑油溶剂精制的主要精制工艺，它在我国的润滑油加工中占有极其重要的地位。

Hydrofining- hydrovisbreaking combined process has been adopted in the 5 000 b/d oil refining unit of Hangzhou Refinery and the hydrofining catalyst and hydrovisbreaking catalyst have been sectionally loaded in a single reactor to process inferior coker gasoline and gas oil.

杭州炼油厂 2 5 0kt/a油品精制装置采用加氢精制/临氢降凝组合工艺，在同一台反应器中分段装填精制和降凝催化剂，加工劣质汽油、柴油，操作弹性大，拓宽了柴油加氢精制的原料来源，大大提高了低凝柴油收率，且产品颜色浅、硫含量低、氧化安定性好。

Influences of reaction temperature, hydrogen pressure, space velocity and hydrogen/oil ratio were investigated and optimum condition was obtained.

研究了加氢精制的工艺条件，考察了反应温度、氢压、体积空速和氢油比对聚α-烯烃合成基础油加氢效果的影响，确定了最佳的加氢精制工艺。

This is one kind by the neutral distilled water the bamboo coal factor which for the carrier, auxiliary purifies and essential becomes the membrane assistant, to seal the solid anti-alkali member contour molecular compound naturally to undergo a series of complex craft purification to become, this green environmental protection, can form compact protective film fast on the wall surface, has the stable wall surface, waterproof, the anti-alkali function, can prevent the wallpaper mildewy deterioration effectively, the enhancement wallpaper and the wall coheres the strength, is advantageous in the wallpaper construction, the extension wallpaper service life.

本品是一种以中性蒸馏水为载体、辅以精制的竹炭因子和必要的天然成膜助剂、封固抗碱分子等高分子化合物经过一系列复杂的工艺精制而成，本品绿色环保，能快速在墙面上形成一层致密的保护膜，具有稳定墙面，防水、抗碱的作用，能有效防止壁纸发霉变质，增强壁纸与墙体黏结力，有利于壁纸施工，延长壁纸的使用年限。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。