The yield and purity of LYQS are good.
六月青皂苷的得率和纯度良好。
The present invention has the active effects of: high product yield and purity;
本发明具有如下的有益效果，一是本发明收率、纯度高，生产效益好；
The further improvement of labeling yield and purity of the label should be made.
进一步的工作是要提高标记率和标记物的纯度。
The yield and purity of simetryne reach 73.57% and 89.52% respectively under appropriate reaction conditions.
在适宜的反应条件下，西草净的收率和纯度分别为73.57%和89.52%。
The improved method has high yield and purity, simple steps, low cost and is suitable for industrialized production.
改进后的合成方法收率高、纯度高、步骤简单、成本低、适合工业化生产。
The method has some characteristics: simple technology, convenient operation, high yield and purity, low production cost.
本法具有工艺简单、操作方便、产品收率高、纯度高、生产成本低等特点。
The effects of experimental factors on both product yield and purity were analyzed and investigated from the point of view of nitration.
分析了几种试验因素对产品收率和纯度的影响，并从硝化作用的角度对这些影响进行了探讨。
Results: The target compound was obtained with higher yield and purity. The total yield increased from literature-reported 8.5% to 12.7%.
结果：获得纯度和收率均较满意的目标产物，总收率由文献报道的8.5%提高到12.7%。
The simple method for synthesis of 1-octanethiol with high yield and purity was found by modifying the hydrolysis process of thiouronium.
通过改进硫脲盐的水解过程找到了简单、高收率、高纯度制备正辛硫醇的方法。
In the conditions the reaction is smooth and steady, safe and reliable, and both the yield and purity of cyclohexyl nitrate are very high.
在此条件下，反应比较平稳、安全，得到硝酸环己酯的产率和纯度都较高。
In the condition both the yield and purity of isooctyl nitrate are very high. The method is safe and reliable. and suits to chemical production.
在该条件下制得的硝酸异辛酯收率和纯度都比较高，方法安全可靠，适用于化工生产。
Using the said method to prepare 6 mutant proteins of monkey metallothionein I can obtain yield and purity similar to that in wild recombinant protein.
用本发明方法制备的猴金属硫蛋白I的六个突变体蛋白，产量与纯度均与野生型重组蛋白类似。
The factors affected the reaction were studied and the result indicates that the yield and purity ofp-ethylbenzoic acid can reach above 91.8% and 98% respectively.
考察了反应条件对反应收率的影响，结果表明反应收率可达91.8%，产品纯度在98%以上。
The process is simple and convenient. The yield and purity is good and the regeneration of resin is easy. So this method of extraction and purification is advisable.
该方法工艺简便、产品收率与纯度高，树脂再生容易，是目前提取甘草酸和甘草次酸较为理想的方法。
Comparing to exist technology, reaction time is shortened efficiently, product yield and purity are better than the best value of the exist technology in this invention.
与现有技术相比，本发明技术方案总的反应时间有效缩短，产品收率和纯度均好于现有技术最佳值。
The synthesis of 2_Chlorobenzolthiazole, which can be used as intermediate in the manufacture of herbicide named as Mefenacet with high yield and purity, was reported in this paper.
以苯并噻唑为原料，通过工艺研究，合成了生产化学除草剂苯噻草胺的中间体2 -氯代苯并噻唑，分析实验结果表明，反应收率高，产物纯度高。
This technique showed many advantages: low reaction temperature, mild reaction condition, high yield and purity, which was possible to replace acetic anhydride method to produce HMX.
该方法反应温度低、条件温和、产率高、产品纯度好，有望代替传统的醋酐法制备HMX。
It was proved that the dipeptides could be synthesized through the two-liquid-phase enzyme membrane reaction with high yield and purity due to the simultaneous reaction and purification.
研究证明，由于反应和纯化的同步进行，二肽可以在双液相酶膜反应器中达到高纯度和高收率合成。
The major problems such as low recovery ratio of protein, low yield and purity of finished products are found in the process of isolation soy protein by alkali extraction and acid precipitation.
大豆分离蛋白的碱浸提酸沉淀工艺，目前普遍存在成品得率低，纯度低的问题。
The important factors affecting yield and purity of the extracts were explored, and the optimum extraction conditions and the suitable purification method for the crude extracts were established.
对影响提取率的重要因素进行了考察，建立了最佳提取条件；通过对粗提物不同纯化条件的研究，确定了适宜的纯化方法。
The major problems such as lower recovery ratio of protein, lower yield and purity of finished products existed in the process of isolating soy protein by alkali extraction and acid precipitation.
大豆分离蛋白的碱浸提酸沉淀工艺，目前普遍存在蛋白质回收率低，分离蛋白成品得率低，纯度低的问题。
The experiments proved that the changes of materials adding order, the ratio of raw materials and the loading way of trimethyl amine were advantageous to improve the yield and purity of the product.
实验结果表明，改变投料顺序、投料比以及三甲胺的投料方式有利于提高产品的收率及纯度。
There are many different ways to measure agricultural performance besides food yield: energy use, environmental costs, water purity, carbon footprint and biodiversity.
除了粮食产量之外，还有许多不同的方法来衡量农业表现：能源使用、环境成本、水的纯度、碳足迹和生物多样性。
The conditions of reaction of cyclization were moderate, the purity and yield of the product was higher.
环合反应的条件缓和，产品收率和纯度高，在四氢咔唑类化合物的化学制备中具有重要参考价值。
The ways how to improve the purity and yield of mesitylene were discussed.
探讨了提高均三甲苯产品纯度和收率的途径。
The progress in synthesis technology of cyanate ester with high purity and high yield monomer, and the status of domestic industrialized synthesis are reviewed.
评述了高纯度和高收率氰酸酯单体合成的新进展，以及国内氰酸酯单体工业合成的现状。
Preparation technique was ameliorated in order to improve purity and yield of L-lactide.
为提高L -丙交酯的纯度和产率，对l -丙交酯的制备技术进行改进。
By solvent extraction, column chromatography, and crystallization, fexofenadine (96.3% purity) was obtained with yield 63.5%.
通过对发酵液进行溶媒抽提、柱层析、重结晶，得到纯品，收率达到63.5%，纯度96.3%。
By using this new process the end product can he obtained with high yield and excellent purity. Tar formation and reaction time can he also reduced thus increasing the economic, results greatly.
采用新的工艺方法，可以高收率地得到高纯度的目的产物，减少焦油的生成量和缩短反应时间，因而可大大提高经济效益。
By using this new process the end product can he obtained with high yield and excellent purity. Tar formation and reaction time can he also reduced thus increasing the economic, results greatly.
采用新的工艺方法，可以高收率地得到高纯度的目的产物，减少焦油的生成量和缩短反应时间，因而可大大提高经济效益。
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