All yield over 50%, product purity over 98%.
产品纯度达98%以上，反应总收率50%以上。
The results showed that the process was stable with high yield, product purity was high.
试验结果表明，工艺稳定，产品纯度高，收率高。
The existence of the highly concentrated organic matters has affected the product purity.
高浓度有机物的存在影响了产品的纯度。
Increasing the rate of mixing during the crystallization was helpful to increase the product purity.
结晶过程中提高搅拌速率有利于提高产品纯度。
After drying without crushing and screening to reduce the production processes, improve product purity.
干燥后不需粉碎和筛选，减少生产工序、提高产品纯度。
Extraction rate, product purity and color are key points to evaluate the extraction effects of egg yolk lecithin.
蛋黄磷脂的纯度、提取率和色泽是评价提取效果的关键指标，为得到色泽浅，提取率、磷脂含量高的产品。
The preparation quantity is large in this invention, product purity is high (the purity is more than 99 percent).
本法具有制备量大、所得产品纯度高的特点(纯度高于99%)。
Produce ethylene from alcohol dehydrate, craft is simpler, equipment is not sophisticated, product purity is tall.
从酒精脱水生产乙烯，工艺较简单，设备不复杂，产品纯度高。
The method is simple and economical with satisfactory recovery and product purity compared with other literature methods.
方法简单安全低成本，与其他文献方法比较，所得产品回收率及纯度令人满意。
The said process has high product purity, operation safety and low cost and is suitable for use in industrial production.
本发明所述的工艺提纯度高，操作安全，容易进行工业化生产，提纯成本经济。
The mannitol prepared by the preparation method has high product purity, and is easy to realize industrialized amplification.
采用本发明制备甘露醇，产品纯度高，易于实现产业化放大。
The invention features available raw materials, small ammonia ratio, simple technique, easy operation and high product purity.
本发明原料易得，氨比小，工艺简单，易操作，产品纯度高。
Furthermore the effects of tower top pressure, temperatures of tower top and bottom, reflux ratio on product purity were analyzed.
同时探讨了塔顶压强、塔顶和塔釜温度、回流比变化对产品纯度的影响，获得了试验条件下的最佳操作条件。
This process was characterized by simple flow sheet, low pollution, high product yield over 80%, and high product purity over 99%.
此合成工艺流程简单、污染小，产品收率大于80%，提纯后的产品纯度大于99%。
By adopting the invention to prepare the indirubin, the product purity is high and industrialization amplification is easy to realize.
采用本发明制备靛玉红，产品纯度高，易于实现产业化放大。
The preparation method for buflomedil of the invention has the advantages of safety, reliability, shorter reaction time, ideal yield and product purity.
本发明的丁咯地尔的制备方法具有安全可靠，反应时间较短，并取得了理想的收率和产品纯度。
With the increase of CO2 feed concentration, both product purity and recovery increase while the energy consumption of vacuum pump, blower and Wt decrease.
随着CO2进料浓度的增加，产品气的纯度和回收率均增大，相反地，风机、真空泵及过程总能耗均减小。
The recovery ratio of nickel and product purity is increased. Under the optimal conditions, the recovery ratio of nickel is over 90%, the purity of nickel is over 40%.
该工艺提高了镍的回收率和产品纯度，在最佳工艺条件下，镍回收率大于90%，纯度大于40%。
Compared with the prior method, the method has high product purity, simple and convenient operation and stable operation, and is suitable for industrialized production.
本发明与常规方法相比产品纯度高，操作简便，运行稳定，适于工业化生产。
Made of high-quality original authentic. This product purity as high as 99.9%, cooling effect is good, widely used in automobile air-conditioning and refrigerator cars.
采用优质原装正品制成。本品纯度高达99.9%以上，制冷效果好，广泛适用于汽车空调及汽车冰箱。
The experimental results show that, with the increase of adsorption time and desorption time, the product purity increases rapidly, and then decreases, including a optimum point;
实验结果表明：随着吸附时间和解吸时间的增加，产品气纯度先升高后下降，存在一个最佳的吸附时间和解吸时间；
The synthesis in this invention is safe and high efficiency, it is propitious to industrial manufacture, product purity is high, yield is high, and crystal form fluidity is good.
本发明合成路线安全、高效、适合于工业化生产，产品纯度高，收率高，晶形流动性好。
The optimum operating conditions for reaction and separation processes were established. Both yield and product purity of succinic anhydride and peroxysuccinic acid were more than 90%.
确定出了各步反应及其产物分离的工艺条件，丁二酸酐、过氧化丁二酸的收率和产品纯度均达90 %以上。
Molten-salt electrolytic preparation of deteriorative agent AlSr alloy by using liquid A1 as cathode is characterized by such advantages as simple process, low cost and high product purity.
采用液态铝阴极熔盐电解法来制取作变质剂用的铝锶合金，具有工艺简单、成本低、产品纯度高的优点。
The simulation shows that the direct mass balance control strategy can meet the demand for product purity and conversion effectively and outperform the indirect mass balance control strategy.
结果表明，直接物料平衡方案可满足乳酸提纯过程的质量和转化率的控制要求。
Under the condition of sodium chloride feeding ratio 7.5%, molecular sieve and refined product feeding ratio 1:1, the DOL product purity was up to 99.9% which had met the product quality requirements.
采用这种方法，在氯化钠的加料量为7.5%，分子筛和精制产品合适的加料比例为1：1时，产品纯度可达99.9%，满足二氧五环产品的质量要求。
If anything, when I see a natural label, it makes me all the more skeptical of the product, as it more often tends to be a sign of cynical marketing than any certifiable purity.
如果我看到有任何一样东西粘贴了“天然”之类的标签，那反倒使我更加怀疑其“天然性”。因为那会让人更容易想到，那只不过是商家的一种营销伎俩罢了，根本没法确保其纯净与否。
The method simple, the reaction period short and the productive rate high. The purity of the product can reach 98%.
本方法简单、反应周期短、产率高，得到纯度达98％的甲基环己基二甲氧基硅烷产品。
Records are maintained of specifications, supplier qualification and testing to ensure product meets purity, strength and composition.
保留规格，供应商资质与测试记录以保证产品满足纯度，功能与组成。
Records are maintained of specifications, supplier qualification and testing to ensure product meets purity, strength and composition.
保留规格，供应商资质与测试记录以保证产品满足纯度，功能与组成。
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