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Objective To observe the effects of melagenine extracted from human placenta on the proliferation and differentiation of a melanoblast cell line derived from mouse neural crest cells, NCCmelb4M5, and to elucidate the mechanism of repigmentation in vitiligo following melagenine therapy.

目的 观察从胎盘中提取的黑素生成素对小鼠成黑素细胞NCCmelb4M5增殖和分化的影响，从诱导成黑素细胞增殖和分化的角度，探讨其治疗白癜风的可能机制。

The merits and demerits of two kinds of devices in which extracted available compositions in Ginkgo biloba leaves were compared by having used different menstruum.

通过使用不同溶剂比较了两种装置提取银杏叶中有效成分的优缺点。

Objective:To study the extraction in the processes of Weitongliying Soft Capsule after extracted by Supercritical carbon dioxide fluid.Methods:The most appropriate technology was screened based on the comparative study among the technology of ethanol circumfluence,ultrasonic extraction,water warm immersion and water decoction,with the concentration of menstruum, volume and extracting time as the evaluating factors,on the basis of orthogonal design.

目的：研究胃痛立应软胶囊制备中二氧化碳超临界流体（SFECO2）萃取后药材的提取工艺方法：对比乙醇回流、温浸、超声及水煎等提取工艺，以溶媒浓度、用量、提取时间研究因素，经正交设计进行提取工艺条件的优选。

The projection area of egg image is extracted by 0-order moment and used to classify egg weight instead of metage. The classification accuracy is 97.73% for bigger eggs, 97.04% for normal eggs, and 96.51% for smaller eggs.

提出利用种蛋图像零阶矩计算图像投影面积代替重量称量的方法，检测结果与实际称量值间有良好的相关性，过大蛋、正常蛋、过小蛋检测准确率分别达到了97.73%、97.04%和96.51%。

Samples were extracted with methanal, separated by capillary column and determined with FPD detector.

采用气相色谱法测定了90%敌百虫晶体在金银花中的残留动态，金银花样品用甲醇提取，毛细管柱分离，FPD检测器测定。

The method may include modifying dimensions of the extracted portion of the image based on the display capabilities.

该方法可包括根据显示能力信息修改提取出的部分图像的维数，和根据显示能力信息裁切提取出的部分图像。

Based on ETM(superscript +) remote sensing data of American Landsat-7, PCI V7.0 software was applied to process series of remote sensing data, including band ratio 4/3 and principal components 1, 3, 4, 5 hands. These objects classification information was extracted and the land use situations in Kunming were studied by using the composed image method of principal components and ratio.

以美国Landsat-7陆地卫星ETM遥感影像数据为信息源，利用遥感图像处理软件PCI V7.0进行波段4/3比值增强处理和波段1、3、4、5主成分分析，采用主组分加比值合成影像图的方法，即ETM4/3+PC3+PC1，提取各类地物分类信息，研究昆明地区土地利用情况。

Methods: The air was drawn through a glass fiber filter to collect methoxychlor. Methoxychlor was extracted from the filter with hexane, and the sample was analyzed by gas chromatography using ECD.

玻璃纤维滤纸吸附空气中甲氧滴滴涕，用正已烷超声洗脱后毛细管气相色谱测定。

According to our method, we can quantify the total amount of isoflavone more rapid and conventiently without preparing all 12 kinds of standards.In this study, acetyl- and malonyl- glycosides were converted to 7-O-glycosides by reacting with 1M methanolic sodium methylate at 60℃ for 20 min. Then, the solution was neutralized with 2.5N HCL and extracted for further 30 min at 60℃. Aglycones and 7-O-glycosides were then analysed by HPLC.

根据本研究，此方法系使用1.0 M sodium methylate在60℃下与样品中之acetylglycoside、malonylglycoside反应20分钟，将其转化为7-O-glycoside，反应完成后以2.5N盐酸水溶液中和，调整溶液为80%甲醇溶液并在60℃下继续萃取30分钟然后进行HPLC分析；由於仅需要分析两种形式的大豆异黄酮化合物（aglycones及7-O-glycosides），因此可以有效地缩短分析时间至30分钟以内。

The cis-9, trans-11-CLA was extracted with hexane-isopropanol,methylated with methanol-sodium methylate and cis-9,trans-11-CLA was separated and quantified using gas chromatography.

样品经正己烷-异丙醇提取、甲醇-甲醇钠甲酯化后，进行气相色谱分析；采用程序升温，以保留时间定性，外标法定量。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。