查询词典 extraction

The optimal extraction condition of flavonoids from the flower of Castanea mollissima Blume by different ways such as microwave,ultrasonic waves and heating circumfluence was discussed,and the extraction effect was compared.

探讨了微波萃取、超声波提取、常规加热回流等方法提取板栗花中黄酮类化合物的工艺，并对其提取效果进行对比。

In detail the process of the invention relates to a method for solubilising an oil-soluble pigment into an oil or fat by extraction of a solid preparation containing the oil-soluble pigment comprising the steps of a mixing the solid preparation containing the pigment with water, an extraction medium containing an edible oil or fat, and a nonionic surfactant having a hydrocarbyl group, an acyl group or a substituted hydrocarbyl or acyl group containing at least 6 carbon atoms; b optionally centrifugalize the mixture obtained and separate the oil phase.

具体而言，本发明方法涉及一种通过萃取含有油溶性颜料的固体制剂而使油溶性颜料在油或脂肪中增溶的方法，其包括步骤a将含有颜料的固体制剂与水、含有食用油或脂肪的萃取介质以及具有含至少6个碳原子的烃基、酰基或取代烃基或取代酰基的非离子表面活性剂混合，和b任选将所得混合物进行离心并且分离油相。

Based on supercritical CO2 extraction technique and orthogonal experiment design,extraction condition of essential oil from Chenopodium ambrosioides were investigated.

采用超临界CO2萃取技术，应用正交设计方法，以萃取率为评价指标，优化土荆芥精油的提取工艺，并对土荆芥精油的杀虫活性进行初步研究。

From the results, the extraction was optimized by using microwave-assisted derivatization at 300 watt for 3 sec with methyl chloroformate/methanol derivatization reagent and sample solution in the ratio of 2:1, and then extraction 30 min.

实验结果显示，利用搅拌子吸附萃取法结合气相层析质谱术分析尿液中胺基酸，衍生化功率为300瓦，衍生化时间为3秒，水样与氯甲酸甲酯/甲醇衍生化试剂体积比为2：1时有最佳衍生化条件。

These three kinds of Bile extraction were qualitatively detected by using the paper chromatography and infrared spectral scanning method, and the results show that These extractions have the same Rf value and infrared spectra's characteristic absorption peak as choleic acid, glycocholic acid and taurocholic acid standard preparation which can prove that These three kinds of Bile extraction are choleic acid, glycocholic acid and taurocholic acid respectively.

采用薄层层析法和红外光谱扫描法对提取物进行定性检测，结果证明三种提取样品分别与胆酸、甘氨胆酸及牛磺胆酸标准品显色斑点Rf值相同，红外光谱特征吸收峰均一致，表明提取出的三种样品分别为胆酸、甘氨胆酸、牛磺胆酸结晶体。

ConclusionThe extraction of chromone from S.divaricata with ultrasonic wave is found to be a rapid and efficient extraction method with short time and high production yield.

结论采用超声波提取技术提取防风色原酮，提取时间短，提取效率高，可用于防风色原酮的提取。

METHODS:(1) Ethanol extraction and ethyl acetate purification were used to extract isofiavones from Cicer arietium L.. Orthogonal design was used to optimize the better Ethanol extraction conditions.

(1)以新疆地产鹰嘴豆为原料，经脱脂，乙醇提取，乙酸乙酯萃取，得到总异黄酮，采用正交试验优选出最佳工艺。

A communication information graph extraction methodis proposed, which automates the CIG extraction process from the system behavior model to help system designers construct efficient on-chip communication architecture in the early stage of system design.

提出通信信息图提取方法CIG-EM，实现了从系统行为级模型到通信信息图模型提取的自动设计流程，以帮助系统设计人员在系统设计的早期设计高效的片上通信体系结构。

Rotary vane pump can be sealed container extraction in the dry gas, with gas if the town of devices can also be a certain amount of extraction that can be condensable gas.

旋片泵可以抽除密封容器中的干燥气体，若附有气镇装置，还可以抽除一定量的可凝性气体。

In the research of techniques in curved surface reconstruction and feature extraction, the modeling of NURBS interplation curved surface based on rectangular is focused, in which centripetal parameter is applied to construct node vector, the application of interplation method guarantees the accuracy of curved surface construction, bicubic NURBS curved surface is taken as an example to demonstrate the process of curved surface modeling, and the effectiveness of NURBS is approved in application; Meanwhile, the application of feature techniques in reverse engineering is also diSCUSSed, the recognition and extraction method of feature curved surface are investigated, the relationship between feature recognition and the curvature of curved surface is discussed, with the application of linear and non-linear least squares procedure, data fitting of conicoid in ball surface, cylinder surface and cone surface is

以上述的研究工作为基础，根据企业的实际需求选定轻客和重卡作为研究对象完成了基于反求工程的车身改型设计和优化的工程实践，通过工程实践对反求工程各关键支撑技术进行了验证，所开发的新车型也获得了良好的市场反应。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐