本文叙述了盐酸吡啶的制备及精制方法。
The preparation and purification methods of pyridine hydrochloride were discoursed in the paper.
对三丙酮胺的合成及精制工艺进行了研究。
The synthesis of the triacetonamine and refining process were studied.
综述了显色剂二羟基二苯砜的合成及精制方法、不同合成工艺的优缺点。
The synthesis and purification methods of dihydroxydiphenylsulfone as a developer were reviewed with 22 references, the advantages and disadvantages of different technologies were discussed.
烧碱和纯碱是基本化工原料， 盐卤中硫酸根的存在严重影响这两种碱及精制盐的生产。
Soda ash and caustic soda are basic raw material in chemical industry. Existence of sulfate in brine has great impact on the production of soda and refined salt.
ATS- 307是由石油磺酸盐、油性极压添加剂、表面活性剂及精制矿油调和而成。
ATS-307Is composed of petroleum sulfonate, oiliness and EP additives, surfactants and refined mineral oil ingredients.
本文采用固体酸为催化剂，研究了乙酸异戊酯的合成及精制方法，并给出了适宜的实验操作条件．。
The synthesis and refinement method of isoamyl acetate with solid acid catalyst are studied. The proper operating conditions of the experiment are given.
但是，基因改造生物不包括由基因 改造作物所制成的无生命的食用产品，例如粟米油、豆奶及精制白米。
However, GMOs do not include non-living ood products produced rom GM crops, such as corn oil, soymilk and polished rice.
用同一填充柱在程序升温条件下，分离轻苯及精制苯中各组份，并用直接面积归一法进行定量，苯系相对误差为0.94%。
The components of light benzene and purified benzene are separated using the same packed column in the condition of program raising temperature and quantified using direct area normal method.
探讨了催化剂失活的原因，介绍了催化剂再生、用废催化剂精制石蜡及精制FCC柴油等利用方法，对我国废催化剂的处理具有一定的参考价值。
The reason why FCC catalyst would lost its activity is discussed in the paper and there are three methods proposed for treating:catalyst regeneration, refining wax; refining FCC diesel oil.
要保证汲取足够的蛋白质和维生素，减少精制糖及碳水化合物的摄入。
Make sure you're getting enough protein and vitamins, and decrease your refined sugars and carbohydrates.
这个新设施将增加生产100 000公吨精制猪肉产品的能力（其中包括中式、西式、半熟及易煮食猪肉产品）。
The new facility will add 100, 000 metric tons of capacity for prepared pork products, including Chinese-style, western-style, half-cooked, and easy-to-cook pork products.
主要生产各种规格的高档双胶纸、彩色胶版纸、精制书写纸及静电复印原纸。
Mainly produce top grade double gummed paper color hectograph paper refined writing paper and xerographic original paper of various sizes.
有效部位研究尚有许多问题需要探讨，如有效部位的提取、精制工艺及参数的优化，有效部位质量的全面控制等。
There are many issues should be discussed in the research of EF, such as extraction, purification technology and quality control.
延迟焦化馏出油(包括汽油、柴油及蜡油)的烯烃含量和氮含量高，必须进行加氢精制。
Considering the high contents of olefins and nitrogen, the whole fraction of delayed coker distillates (including light and heavy naphtha, gas oil) must be hydrotreated.
通过对污水水质的分析，对精制水单元工艺流程进行了改造，实现了该单元冲洗水及分析水的回用，达到了节能减排的效果。
According to the analysis of sewage quality, reform is carried out for the water refined unit to realize recovery of washing water and analysis water in this unit.
详细介绍用732型阳离子交换树脂精制甲醇的方法及生产性试验的效果，并简述了树脂的活化、再生方法。
This paper introduces methanol refining method and pilot-scale production result by using 732-cation exchange resin and, summarizes activation and regeneration of the resin.
本文通过分析及实践，得到蜡油的精制技术，节约了大量的费用，降低了生产成本。
This article describe get paraffin oil refining technology by analysis and practice, cut down expenses consumption and reduce the production cost.
本文综述了油茶皂素的性质、提取精制及油茶皂素定量方法的研究，并总结了当前茶皂素研究中最值得进一步研究的问题。
This paper summarizes the development of the property, extraction and purification, and quantitative determination of Camellia Saponin. Besides, issues needing further study were indicated.
GC分析结果表明：采用减压蒸馏及乙酸乙酯重结晶并用的方法精制的TMP纯度接近于试剂级TMP。
It is reveal by GC analysis that the purity of the TMP, treated by reduced pressure distillation and recrystallization in acetic ester, approximates to that of the reagent grade TMP.
介绍了离子膜烧碱盐水精制的工艺过程及影响盐水质量的各项因素。
The process of brine refining of ionic membrane caustic soda, and the each influential factor of the quality of brine were introduced.
介绍了双甲精制新工艺的流程及工艺指标等。
This article introduces the new purification process for methanol-methyl ether and the process indexes.
考察了精制溶剂组成、剂油比、精制温度、反应时间及静置时间对脱碱氮的影响。
The influences of different composition of refined solvent, ratio of reagent to oil, temperature and time of extraction, time of setting on removal of basic nitrogen compounds were studied.
介绍了中国石油兰州石化分公司催化干气通过变压吸附、精制工艺生产乙烯技术及工业应用。
The technology of producing ethylene from FCC dry gas by PSA and purification as well as its industrial application in Lanzhou Petrochemical Company are Introduced.
根据药物精制车间的设计实践，归纳其关键设计要点及主要设备选择的经验。
Based on the experience in designing drug refining workshop, the key points in design process and the experience of selecting important equipment were summarized in this article.
采用乳化结晶法，研究了粗蒽精制过程中溶剂、温度、助剂及分离时间的作用。
The effects of solvent, temperature, additive and separation time on the refinement process of crude anthracene by using emulsion-crystallization were reported.
从制取方法上来讲，多效真空蒸发制盐是生产精制盐及高纯工业盐的重要方法。
In respect of the producing method, refined and high unmixed salt is usually made by multiple effect evaporation in vacuum, when man-made bittern is needed.
综述了精制棉的组成及理化性质、生产工艺，重点论述了蒸煮质量及漂白质量的影响因素。
Composite, phychemcial properties and producing technology of refining cotton were synthesized. The factors effecting cooking quality and bleaking quality were mainly discussed.
创造精制产品，获得环保及获利增加并也改善传统产品，无法达到功能缺失。
Create the refined products, obtain environmental protection and is it increase and improve traditional product is unable to reach function lack too to make a profit.
总结了20世纪末至21世纪初国内盐水精制相关工艺及技术的新进展及其应用情况。
Domestic process, technical progress and application of brine refinement from the end of 20th century to the beginning of 21st century are summarized.
总结了20世纪末至21世纪初国内盐水精制相关工艺及技术的新进展及其应用情况。
Domestic process, technical progress and application of brine refinement from the end of 20th century to the beginning of 21st century are summarized.
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