Objective to compare impregnation, extraction back to normal, continuous circumfluence, ultrasonic extraction, complex method of extraction of berberine hydrochloride in the Chinese extraction rate.
目的比较浸渍法、一般回流提取法、连续回流法、超声提取法、复合方法提取黄连中盐酸小檗碱的提取率。
It is ripe in technology and doable in practice that one old condensing turbine with proper parameter is remade to be postposition turbine of the back extraction pressure turbine.
选取参数适当的旧凝汽式机组改造为背压机组的后置机在技术上是成熟的，在实际应用上也是可行的。
Instead of clearing away the remnants of the extraction of resources left here, the site is given back to residents and visitors as a nature theme park and event setting.
本设计没有移除场地内采矿时（页岩开采）的遗留地貌，而是通过适当梳理、改造、增设配套设施，向居民和游客提供自然主题公园，展示其历史背景。
My dentist always goes the extra mile, offering free back massages at the end of a stressful tooth extraction.
我的牙医总是非常尽心尽力，会在紧张的拔牙手术后给病人按摩。
Results show that the mixed solvent can give high distribution extraction rate for acetic acid wastewater. Back extraction rate was 98. 4%.
试验结果表明：混合溶剂对废水中的醋酸有较高的萃取率，反萃取效果为98.4%。
Meanwhile, a new back extraction technology suitable for the continuous application of CPE was developed based on the reverse micelle phenomenon.
同时，基于反胶束技术开发了适用于连续CPE处理过程的新型CPE反萃取工艺。
Calcium magnesium acetate (CMA) can be prepared by extraction of acetic acid from dilute acetic acid wastewater using trioctylamine and then by back extraction using dolomite lime.
用三辛胺萃取醋酸废水中的醋酸，加入白云石灰乳反萃，可制得环保型除冰剂醋酸钙镁盐(CMA)。
Using baicalin as the standard sample, the flavone substances in pollen of Yunnan pine were determined through methyl alcohol back flow extraction and ultraviolet spectrophotometer.
以黄芩甙为标样，对云南松花粉中黄酮类化合物采用甲醇回流提取，用紫外分光光度法进行测定。
In the large optical components topography measurement system, the accuracy of measurement is greatly related to laser spot segmentation, centroid extraction and back surface spot removal.
大口径光学组件面形检测系统中，激光光斑的分割、质心提取和背表面光斑的自动剔除算法关系到系统的检测精度。
The major factors of affecting extraction and back-extraction were discussed. The better technological conditions were obtained.
分析了影响萃取及反萃取取的因素，获得了较佳工艺条件。
This paper discusses the optimization of back propagaton neural networks for the grain texture feature, extraction in grain classification.
主要讨论了在谷物纹理识别中对神经网络的优化。
This paper discusses the optimization of back propagaton neural networks for the grain texture feature, extraction in grain classification.
主要讨论了在谷物纹理识别中对神经网络的优化。
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