提取

The present invention discloses a method for separating and extracting polyhydroxy fatty acid ester from bacterial thallus.

本发明公开了一种从细菌菌体内分离提取聚羟基脂肪酸酯的方法，以便能够有效地从细菌菌体内分离提取聚羟基脂肪酸酯。

There are two main research areas on the system: parameter extraction technique for short-ciruit current and transient recovery voltage.

目前对大容量实验室短路试验测量系统的研究内容主要是短路电流的参数提取技术和瞬态恢复电压的参数提取技术。

It is used to some extent in pharmaceutical industry (used as special catalyst to produce antibiotics) and chemical industry, esp. in production of cephalosporin (whose effect is better than boron trifluoride ethyl ether complex compound), and also used for most advanced science, such as abstraction of fuel with high energy and of isotope B10 as well as chemical reagent.

在制药工业(在医药上作为生产抗生素的专用催化剂)、化学工业等行业中都有不同程度的使用，尤其在头孢抗菌药类，效果优于三氟化硼乙醚络合物，亦用于尖端科学，如高能燃料的提取及提取同位素B10，也可用作化学试剂

This technical process is suitable for extract isoflavone in Trifolium pretense L.

此提取工艺适用于红车轴草提取异黄酮成分。

The minimum distance method is used to match SVD feature extraction and the truncation error method is for PCA.

针对奇异值分解的特征提取采用的是最小距离分类法，针对主成分分析的特征提取采用的是截断误差分类法。

To study the effect on the content of cholesterol,triglyceride and high density lipopotein in serum,the soluble dietary fibers extracted from soybean residue and soybean hull with phosphate buffer and purified with the ultrafilter was fed to Kun Ming Species mouse.

研究了以磷酸盐缓冲溶液提取-超滤纯化法从大豆渣、大豆皮中提取的大豆膳食纤维对血清胆固醇、甘三酯水平和高密度脂蛋白水平的影响。

The method comprises steps as follows:(1) Chinese herbal medicines are taken and added with purified water for soaking, with the material-to-water ratio of 1:10;(2) the Chinese herbal medicines with the purified water are placed in a microwave heating system; the power of the microwave and the radiation extraction time are controlled;(3) leaching liquor is poured out and put into a centrifuge for centrifugation to obtain the Chinese herbal medicine water extract;(4) polyethersulfone ultrafiltration film is arranged in an ultrafilter; the Chinese herbal medicine water extract is poured into the ultrafilter and placed in a normal pressure type microwave heating system; and (5) the power of the microwave and the radiation extraction time are controlled and the pressure of nitrogen is regulated so as to obtain the purified Chinese herbal medicine water extract.

本发明公开了一种利用微波辐射改善中草药水提液膜超滤过程的方法，该方法由以下步骤完成：(1)取中草药材以1∶10的料液比加入纯净水，浸泡；(2)置于微波加热系统，控制微波功率和辐射提取时间；(3)倾出浸提液；然后用离心机离心得中草药水提液；(4)超滤器内置有聚醚砜超滤膜，将中草药水提液倒入超滤器并置于常压式微波加热系统；(5)控制微波功率和辐射提取时间，调节氮气压力，得到纯化的中草药水提液。

Compared with traditional solvent extraction method,the effects of ultrasonic wave on extraction efficiency and product concentration were studied.

研究了从葡萄籽中提取原花青素的改进工艺，主要考察超声波作用对原花青素提取率和提取物含量的影响，并与传统溶剂法进行了对比。

Was extracted with ultrasonic wave, and then treated with macroporous adsorption resin to get three extract , and .

以超声波提取法和大孔树脂对桑叶进行初步提取，得到三个提取物。

Currently, the effectiveness based on the methods of the IVUS image edge detection is not ideal because of the severe speckle noise and some unadvisable priori hypotheses.

目前，所提出的IVUS图像边缘提取方法由于严重的斑点噪声影响以及加入了一些不适当的先验假设，边缘提取的效果并不理想。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失