查询词典 extraction

Aiming at the disturbing of trace tin and trace germanium in existing simultaneous, using Artificial Neural Networks spectrometry determined simultaneously trace tin and trace germanium in extraction raffinate and stripping raffinate, tested the effect of these two metal separation and extraction.

针对微量锡与微量锗同时存在下相互干扰测定的困难进行研究，利用人工神经网络光度法比较准确的同时测定出萃余水相和反萃取水相中的微量锡与微量锗的含量，验证了两者的分离富集的效果。

In order to integrate the function of extraction and dynamic information fusion, we put forward a kind of new mechanism with redundance reduction for extraction of rule.

鉴于此，基于粗糙集理论框架，研究通过格空间的遍历和决策树的搜索面向属性来提取规则的机制和方法。

One-step extraction with polar and nonpolar mixed solvents was a method of effective comprehensive extraction for antioxidant and essential oil of rosemary (Rosmarinus officinalis L.). The method was simple on operation and was easily put into practice.

极性和非极性混合溶剂一步提取法是迷迭香抗氧化剂和精油综合提取的有效方法，操作简单，容易实施。

The stability of polyphenols extracted from Sanguisorba offcinalis L. root was studied by ultrasonic wave technique, and the effects of ultrasonic extraction method and traditional extraction method were compared.

应用超声波技术对地榆根中多酚的提取及稳定性研究，并将超声波提取和传统提取方法进行比较。

OBJECTIVE To increase lignan compounds and essential oil in extraction of Schisandra chinensis by supercritical CO2 extraction technology.

目的利用超临界二氧化碳萃取技术就提高五味子萃取物中有效成分木脂素和挥发油的含量开展研究。

Objective To seek optimum extraction conditions of Radix Scutellaria in Qinbai ointment by studying on extraction process.

目的通过提取工艺的研究，寻求芩柏软膏中黄芩的最佳提取条件。

A separatory funnel is used to perform a liquid-liquid extraction as demonstrated in Video 5 (Reaction Work-up I: Extraction, Washing and Drying) of the Digital Lab Techniques Manual.

在数位实验技巧指南中影片5是用一个分液漏斗来示范「液体-液体」的萃取(反应检查步骤I ：萃取，冲洗及乾燥)影片照片由Dr。

Methods:(1) Silica column chromatography and LH-20 were used in phytochemistry study.(2) Based on the extraction ratio of arctiin, the best extraction procedure was acheived under the direction of L9(34) orthogonal experimental design. From 10 types of resins, the one with the maximal binding ability for Arctii was selected and silica-column choramatograpy was used in its seperation and purification procedure.(3) The animal diabetic experimental model in Wistar rats was established with streptozotocin and many biochemical factors were used to indicate the pharmacological effects of arctiin, including glycosylated hemoglobin, serum creatinine, seralbumin, monoxide nitrogen, glycerin trilaurate, cholesterol, HDL-ch, LDL-ch, Blood urea nitrogen, creatinine, SOD, ET, MDA, total Urine protein and albuminuria.

(1)采用硅胶柱层析、聚酰胺层析、LH-20等方法对牛蒡子的化学成分进行研究；(2)采用正交实验设计方法，以牛蒡子苷为指标，确定了牛蒡子乙醇回流提取的最佳工艺；对10种类型大孔吸附树脂进行筛选，筛选出对牛蒡子苷吸附效果最佳的树脂；采用硅胶柱层析法，对牛蒡子苷进一步分离纯化；(3)建立实验性糖尿病大鼠模型，以GLU、TC、TG、HDL-ch、LDL-ch、TB、ALB、BUN、CREA、GHbAlc、NO、SOD、ET、MDA和尿液中TB、ALB为指标，研究牛蒡子苷药理活性；(4)以差速消化法纯化Wistar大鼠的主动脉内皮细胞并进行传代培养，测定牛蒡子苷对高糖条件下RAECs活性、RAECs释放LDH、MDA和NO的变化以及RAECs表达内皮型一氧化氮合酶表达的影响。

And the compound components obtained by ultrasonic extraction were more than that obtained in soxhlet extraction.

超声波提取得到的化合物组分比索氏提取得到的组分要多。

By comparison of four kinds of extraction, it is found that Soxhlet extraction method has the highest efficiency.

对止泻镇痛丸中的有效成分进行了提取，通过对冷浸、超声、回流、索氏提取等4种提取方法的比较，发现索氏提取的效率最高。

The system can be widely used in belt weighing and batching process control,etc.

介绍了基于智能模糊控制的嵌入式配料系统的设计方法，对模糊PID控制过程和系统调零作了重点的讨论，同时给出了PID控制的程序流程图和系统定长调零子程序。

"I dunno," she answered,"but if you show me aroun', I'll recognize it from the lighthouse just outside the porthole."

"我不知道，"她回答说，"如果你能带我转转，我能认出来的，因为灯塔就在舷窗外。"