查询词典 extraction

The longest time was 22 months.the shortest time was 12 months. Conclusion The extraction planing of missing the first molars in class Ⅰmalocclusion is different from routine extraction mode.This clinical study indicated that it should chose nimble planing and for decurtate treatment time,according to arch crowding, profile and existing of the third molars.

第一磨牙缺失的患者在I类错牙合畸形中的拔牙模式有别于常规，要根据患者牙弓的拥挤程度，面型突度及有无第三磨牙等情况选择治疗计划和有利于缩短疗程的矫治方法。

The processes for extraction of Forutunella Essence, Magnolia Denudate Desr Oil, Lentinus Edode Flavor were studied, especially for the process of supercritical CO_2 extraction.

实验评估与选择了CO_2超临界萃取法萃取金柑挥发油的最佳工艺条件：萃取釜压20Mpa；萃取釜温35℃；CO_2流量7kg／h。

The effects of ,, and temperature on the distribution ratio have been investigated. The composition of the extracted species is determined by the methods of slope ratio, continuous variation,extraction isotherm curves and their chemical analyses. The extraction is found to proceed according to the reaction:AuCl_4 ~-+DEOTA_(0)TAuCl3 .DEOTA_...

着重研究了盐酸浓度、氯离子浓度、氢离子浓度和温度诸因素对萃取的影响；对有机相中金的反萃行为也进行了初探；通过斜率法、等摩尔系列法、萃取等温线法确定了配合物的组成；推定了DEOTA在盐酸体系中萃取金的机理为配位取代反应；计算了萃取反应的表观平衡常数和配合物的稳定常数。

The extraction and separation of total alkaloids from Wu-He Dipsacus by continuous extraction are described. Then the analysis of the quantity of alkaloids is carried out by UV method.

采用索氏提取法对不同生长时期的五鹤续断中总生物碱进行提取并分离，探讨用紫外分光光度法测定总生物碱质量分数的方法。

The extraction and separation of total alkaloids from Wu-He Dipsacus by continuous extraction are described.Then the analysis of the quantity of alkaloids is carried out by UV method.Furthermore,the determination method of alkaloids is discussed.

采用索氏提取法对不同生长时期的五鹤续断中总生物碱进行提取并分离，探讨用紫外分光光度法测定总生物碱质量分数的方法。

Personal computer had affluent hand-motion tool, automatic and reciprocation extraction of diremption and extraction. Three-D visualization was very superiority.

应用三维重建方面，通过对比，个人计算机具有丰富的手动分割工具，自动或交互式图像分割与提取等功能，三维重建效果更加优秀，可满足临床需求。

Objective To optimize the extraction process by determing the volatile oil yield of steam distillation and supercritical CO2 extraction from flowers of Elaeagnus angustifolia L..

目的 比较水蒸气蒸馏法和超临界CO2萃取技术从沙枣花中提取挥发油的得率，确定最佳提取工艺。

In the study of extraction of antimicrobial substance from Eleocharis tuberose peel with ultrasonic, on the basis of single factors test and orthogonal test, the optimal technological parameters were material 60 mesh, ethanol 65%,1:10 for ratio of material to liquid, 45min for ultrasonic time, extraction for one time.

超声波法提取荸荠皮中抑菌物质的实验中，通过单因素及正交实验确定的最佳工艺条件为：采用60目的荸荠皮粉碎物、浓度65％的乙醇溶液、料液比1∶10、超声波作用45min、提取次数一次，在此条件下提取物对大肠杆菌和金黄色葡萄球菌的抑菌圈直径分别为13.3mm和14.3mm。

The process of feature extraction is to transform the eradiate noise signal to different feature space and extract the feature vectors that reflect the category of the input sample. The extracted features are the input modes to the classifier. Through the inspecting, the author selected three methods of eradiate noise's feature extraction.

本文作者经过考察，采用了三种前期研究中较为有效的水下目标特征提取方法——基于功率谱估计的线谱特征提取方法、基于小波分析的不同频段内能量特征提取方法和基于水声信号分维特性的特征提取方法。

objective:to study the microwave assisted extraction process for active ingredients in erysimum cheiranthoides l..methods:using the orthogonal experimental design,the optimal process of microwave assisted extraction for erysimum cheiranthoides l.

目的研究微波辅助萃取桂竹糖芥的提取工艺。方法通过正交设计的方法，采用连续微波辐射方法进行微波萃取工艺的优化。

If you were not , and OS X just booted normally, have no fear.

如果你没有，和OS X刚刚启动通常，没有恐惧。

I only want to preserve our all .

我只想保存好我们的一切