柠檬酸精制；
提出了一种由粗环酸精制为高纯环烷酸的工业化新工艺。
A new industrialized process giving high pure naphthenic acids refining from crude naphthenic acids has been proposed in this paper.
以糖、柠檬或酸橙汁和水混合后加酒精制成的饮料。
A sweetened beverage of lime juice and plain or carbonated water.
采用无溶剂法合成表面活性剂——棕榈酸葡甘聚糖酯（PKGM），并选择无毒复合溶剂进行分离、精制。
In the paper, surfactant palmitoylated konjac glucomannan(PKGM) was synthesized by solventless method and refined by non-toxic compounded solvent.
结论该提取方法适合于工业化，重结晶可精制得到高纯度的三萜酸。
Conclusion This method is suitable for industrialization. High purity of triterpenoid acid was producing after refining.
论述了具有焦糖脱色能力的颗粒活性炭(GAC)在柠檬酸溶液脱色精制应用中的再生处理方法。
The regenerating method of granular activated carbon (GAC) capable of caramel decoloration used for decolorizing and refining citric acid solution was investigated.
癸二酸，废水，精制，生产，研究癸二酸是一种重要有机中间体，被广泛应用于生产尼龙、塑料、香料等。
The sebacic acid is a kind of important organic intermediate which is widely used to produce nylon, plastic, spicery and so on.
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.
粗苯精制工艺产生的酸焦油，一直是困扰焦化厂的问题，综述了其综合利用的新方法、新工艺。
The acidic coal tar from rude benzene refining is always the problem of the coking factory, this paper summed up whose comprehensive utilization in new method and new process.
介绍了以精制玉米油经甲酯化、酰胶化、酯化和磺化四步合成脂肪酸胺磷基琥珀酸单酯盐的研究。
Introduces the research of synthesis alkanolamide sulfosuccinic acid monoester from refined corn oil by methyl-esterification, amidation, esterification and sulfonation.
方法：以丹参中丹酚酸为筛选指标，对其精制、浓缩及干燥过程中的工艺条件进行筛选。
Method:Using soluble salvianolic acid as screening index component, the best processes of concentration, refine and dryness were screened.
有机化合物如有机金属化合物、有机酸、有机胺和有机硫化物等在加氢精制催化剂的研制中具有重要作用。
Such organic compounds as metallorganic compound, organic acid, amine and organic sulfide are important in the development and manufacture of hydrofining catalysts.
提取过程中不加入任何有机溶剂，不必进行精制作业，可直接获得质量分数大于98%的紫胶桐酸产品。
The fine products with a purity above 98% can be got in the process directly without any kind of organic reagent and refinery process.
方法：采用酶解法分离鳗鱼头中氨基酸、鱼油和多糖并分别进行了精制。
METHODS:Amino acid, fish oil and polysaccharide were one by one isolated and refined from the head of eel by enzymatic hydrolytic methods.
文章研究了酸析法从带色碱减量废水中回收对苯二甲酸(TA)过程，并且通过废水预处理进行TA的简单精制。
Separation process of terephthalic acid (TA) from colored alkali reduction wastewater by acidation was studied and TA was simply refined through pretreatment.
然后采用酸溶、碱化、有机溶剂萃取的方法对所得粗品进行了精制。
At last we got coarse alkaloids after concentration. Then we refined it through acid dissolution alkalization and extraction by organic solvent.
所得产物用95%乙醇分层，然后用丁酮萃取，得到精制的阿魏酸葡糖酯。
The production is washed by 95% ethanol , we can get delamination, then using butanone to extract the lower layer , the purificatory glucose ferulic acid esters can be accepted.
试验结果证明，此法在工艺上是可行的，精制后柴油和回收环烷酸的质量均达到了产品标准。
The test results show that it is feasible in the process. The quality of gas oil after purification and recovered naphthenic.
根据铝翅片冲压加工工艺的技术特点，选用加氢精制窄馏分轻质油为基础油，添加特制的脂肪酸酯为油性剂以及自制的润湿剂和复合防锈剂等添加剂调合成HC - L 200挥发性冲压油。
A volatile pressing oil HC-L200 was formulated with hydrotreated narrow fraction light base oil, fatty acid ester lubricant and additives, such as homemade wetting agent and compounded antirust agent.
兼顾适口性和营养均衡的猫食可以用精制碳水化合物，脂肪，蛋白质，氨基酸，维他命和(提纯食用性)矿物质配制而成。
Also, diets that are both nutritionally adequate and acceptable can be prepared from purified carbohydrates, fats, proteins, amino acids, vitamins, and minerals (purified diets).
一般情况下，精制大豆油游离脂肪酸含量高，则烟点低，本文利用回归分析法建立了两者的关系模型。
In general, the higher the content of free fatty acid is, the lower the smoking point is. This paper establishes their relationship model by means of return analysis.
本品是以复合氨基酸粉为主要原料，经过先进的科学加工工艺精制而成的营养食品。
This product is a nutrimental food, used Multi-Amino aicd as its principal ingredient and prepared by scientific processing technics in advance.
用途：适用于葡萄糖蔗糖、麦芽糖等糖类的脱色相精制，以及柠檬酸、胱胺酸、油脂、化工产品中大分子色素的去除、提纯和精制。
Uses: Suitable for the decolorization of glucose sucrose, maltose and other refined sugar as well as the pigment removal, purification and refining of citric acid, cystine, oil, chemical products.
本发明用于分离透明质酸外，也可用于透明质酸的精制和纯化过程。
The present invention has the advantages of simple process and saving in alcohol and precipitant, and may be applied in refining and purification of hyaluronic acid.
总黄酮精制物的超氧阴离子自由基清除能力与柠檬酸相当。
The O2 - · scavenging effect of the refined extract was similar to citric acid.
研究以焦性没食子酸衍生物2，3，4-三羟基苯甲酸为原料经过甲基化、水解、酸化和精制成2，3，4-三甲氧基苯甲酸。
Preparation method of 2,3,4-trimethoxybenzoic acid is introduced, which was synthesized from 2,3,4-trihydroxybenzoic acid by methylation, hydrolysis, acidification and purification.
超氧阴离子自由基清除能力大小依次为：抗坏血酸、柠檬酸、总黄酮精制物、总黄酮粗提物。
The order of the O2 - · scavenging effect was ascorbic acid, citric acid, the refined extract, the crude extracts.
超氧阴离子自由基清除能力大小依次为：抗坏血酸、柠檬酸、总黄酮精制物、总黄酮粗提物。
The order of the O2 - · scavenging effect was ascorbic acid, citric acid, the refined extract, the crude extracts.
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