查询词典 extraction

Both nonextraction and extraction treatment can acquire successful results as long as the design and treatment is reasonable, but extraction treatment is more efficient in correcting dento-occlusal abnormality and centerline.

但只要合理设计和治疗，拔牙与非拔牙病例都能获得良好的矫治效果，拔牙矫治更有利于咬合关系和中线的调整。

MethodsBy means of orthogonally rotational combination design, microwave extraction mathematical simulation model was concluded by the linear regression analysis. In order to obtain the optimum extraction of flavonoids, the regression equation of the relationship between the four factors were established.

方法通过二次回归正交旋转组合试验设计，得到了微波提取苦丁茶中黄酮的数学回归方程；利用模型的响应曲面图及等高线图，对影响微波提取苦丁茶黄酮提取率的关键因素及相互作用进行探讨，得到最佳提取工艺条件。

A polymer that had the highest binding selectivity and capability was used as solid-phase extraction sorbents for direct extraction of TBZ from different biological and environmental samples (cabbage, pannage, shrimp, orange juice and tap water).

三、以合成最优的戊唑醇分子印迹微粒作为固相萃取剂，检测包菜、饲料、虾肉、桔汁、水中痕量的戊唑醇。

By alcohol method, based on single factor test, using response surface methodologyto study effect of extraction time, ethanol concentration and solid-liquid ratio on pentacyclic triterpenes extraction from Bamboo.

本研究采用乙醇提取法，在单因素试验的基础上，应用响应曲面设计(Respones surface methodology， RSM)研究了提取温度、乙醇浓度和料液比对竹叶五环三萜提取得率的优化工艺。

By using systematic solvent method and absorptive resin separating method, the active extraction component of Penthorum Chinense Pursh has been proved to be the ethanol elution from the big pore resin absorbed water extraction.

采用系统溶剂法及吸附树脂分离法进行体内外药效学筛选，证明赶黄草的有效浸出物为水提物经大孔树脂吸附后的乙醇洗脱部分。

The effects of the extraction from Pericarpium granati on the movement of intestine was weaker than that of the extraction from Fructus chebulae.

结论］探明了2种药物对小肠平滑肌运动的影响，可为诃子和石榴皮的临床应用提供可靠的生理学依据。

Objective:To establish a optimal technical conditions for of the extraction of volatile oil from Pericarpium Citri Reticulatae by supercritical CO_2 extraction.

目的：研究超临界CO2萃取陈皮挥发油的最佳萃取工艺条件。

Results extraction times had the most significant effect and the time of extraction had least effect on the content of phillyrin.

结果提取次数对连翘苷含量有显著影响，提取时间影响最小。

In this paper, we do a preliminary test of the 18 crown - picric acid system, the impact of extraction of strontium, resulting in a variety of conditions can not be made better extraction results.

浮选的机理通常是认为被捕集的物质吸附在气泡的表面随着上升的空气进入有机相，气泡在有机相中破裂后停留在其中。

The main results are as follows: 1.Through the solvent contrast test and the single-factor tests ensure that the best extraction solvent and the relevant factors effect on extraction rate.Orthogonal tests are use to assure the optimal method of extracting phenol compounds from Pistacia vera L .

主要结果如下： 1、通过溶剂对比试验及单因素试验确定了从阿月浑子叶片中提取总酚的最佳提取溶剂及影响浸提率的相关因素，并通过正交实验优化了最佳提取工艺条件：利用80%的丙酮水，按1：50的料液比，在60℃下连续浸提两次，每次60min。

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