提取

This method adopted the common chemical engineering techniques as coagulation,concentration and purification of latex skim,then extraction of quebrachitol from inositol derivatives using the chemical resolution method.

运用普通的化工技术对胶清进行凝固、浓缩和净化处理，再采用化学拆分法从肌醇衍生物中提取白坚木皮醇。结论：本项研究得出的提取方法，其提取率约占胶清重量的 0 。2 %～ 0 。3%。

The results of orthogonal experiment showed the optimum extraction conditions were material with 15-fold ethanol of 75% as solvent was refluxed in water-bath for three times, each for 40 min.

正交试验结果显示最佳提取方法为：采用75%的乙醇水溶液为提取液，1：15的固液比，水浴回流热提取3次，每次40min。

objective to study the effects of ethanol extract of the huangqi on the skeletal muscles contractility in rats.methods the gastrocnemius and soleus muscle contractility were observed by stimulating the sciatic nerve with electricity after affusing stomach with ethanol extract of the200mg/kg dosage of huangqi for2weeks.results the ethanol extract of the huangqi could shorten latent period,increase maximal contractive extent and time and relaxative time at the twitch and complete tetanus of gastrocnemius and soleus muscles.conclusion the ethanol extract of the huangqi can enhance skeletal muscles contractility in rats.

方法］ 灌胃给予200mg/kg黄芪酒精提取液2周后，观察大鼠坐骨神经受刺激后腓肠肌及比目鱼肌的收缩力。［结果］黄芪酒精提取液缩短腓肠肌及比目鱼肌单收缩和完全性强直收缩潜伏期，增加单收缩最大收缩幅度，延长最大收缩时间及最大舒张时间；增加完全性强直收缩的最大收缩度，延长最大收缩时间。［结论］黄芪酒精提取液可增强大鼠骨骼肌的收缩力。

Multi-stage countercurrent extraction technology, integrating solvent extraction, repercolation with dynamic and countercurrent extraction, is a novel extraction technology for the traditional Chinese medicine.

中文摘要：动态罐组式逆流提取技术是集萃取、重渗漉、动态和逆流技术为一体的新型中药提取技术，具有提取效率高、溶剂节省、能耗低等特点。

Resuit Temperature had the most effect on the extraction of flavone.

结果结果表明，温度对黄酮提取影响最大，固液比1：60，在90℃下，每次1h，重复提取3次，黄酮提取率最高。

The high concentration of salt treatment and the thin alkaline treatment both of whom are used in extracting ribonucleic acid from waste beer yeast were studied in this work.

本文对浓盐法和碱法提取啤酒废酵母中的核糖核酸技术进行了研究，并对这2种方法进行了比较和优化，提出了浓盐法与稀碱法相结合提取核糖核酸的工艺技术路线，酵母中核糖核酸的提取率达90%以上，样品的纯度达90.3%。

The water body was extracted by combining density slicing of TM 5 or TM 7 with the terrain mask produced by DEM. NDVI was used to extract vegetation information, and desertification land and salification land information was extracted by the SAM classification method. Confusion matrix shows that the classification precision is 86.2%.

对TM5/TM7波段进行密度分割，结合DEM数据生成的模板提取水体及盐漠信息；利用NDVI提取植被信息；通过光谱角分类法提取沙化土地和盐渍化土地信息。

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。

The result indicates that the best method for extracting β-carotene is to saponify the test specimen one hour with 4% NaOH methyl alcohol solution in 60-70'c and then to separate with 3:7 acetone-benzine component solvent as extraction solvent, MgO as the absorbent, the acetone-benzine as the eluent. Extracted solvent has been determined in the color dish condition (1cm) by ultraviolet spectrophotometer at 447 nm. The result shows that the β-carotene in carrotis 0.134 mgg^(-1), 0.0863mgg^(-1) in red pepper and 0.0426 mgg^(-1) in spinach.

结果表明，比较优先的β-胡萝卜素提取方法是：试样用4% NaOH甲醇溶液在60℃~70℃皂化1h，用3：7的丙酮－石油醚混合溶剂提取，以Mgo为吸附剂，丙酮－石油醚为洗脱剂分离，提取液用紫外分光光度计在波长447nm，1cm比色皿条件下测定，得出蔬菜中β-胡萝卜素含量：胡萝卜为0.134mgg^(-1)，红椒为0.0863mgg^(-1)，菠菜为0.426mgg^(-1)。

Quantitative description and 3-D reconstruction of heart vessels are based on thinning vessels to skeletons with only one pixel width. But vessels extraction from angiogram decides the accuracy of vessels skeletonization.

利用心血管造影图像定量描述心血管病变和重建三维心血管，首要任务是将造影图像中的心血管表述成单个象素宽的心血管骨架，而心血管的提取又是心血管骨架提取和决定其提取准确性的关键。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。