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Combination treatments using artemisinin, an antimalaria drug extracted from a plant used in traditional Chinese medicine, have been hailed in recent years as the biggest hope for eradicating malaria from Africa, where more than 2,000 children die from the disease each day.

从传统中国草药青蒿提炼的抗疟疾药物青蒿素，用於混合疗法，近年来被誉为将疟疾自非洲根绝的最大希望。当地每天有2，000多名孩童死於疟疾。

This research is ""Studies on antirheumatic new drug extracted from the active part of Angelica pubescens Maxim.

本文的选题为国家科委课题"中药独活有效部位抗风湿新药研究"。

With the advancement of science and technology, some new theories and new ways emerged gradually, some of them merged with specific theoretical tools, this specific theoretical tools include mathematical morphology, fuzzy techniques, neural networks, wavelet and so on. Secondly, in this paper, it described and analyzed the segmentation method based on the edge in the domain of image segmentation in detail. It did experiments on several edge detection operators using MATLAB, it summarized the advantage and the shortcoming of traditional edge detection operators, and the operating environment. On the basis of the experimental analysis, it implemented an edge location more precise, more efficient operating speed edge extraction method——Template Vector. In this method, it optimized differential approximate calculation of first differential operators the paper mentioned. After experimented on this edge extraction method, contracted with the traditional methods, the edge outline is extracted more accurately and more exquisitely, furthermore, it retained the object outline furthest, and achieved more satisfied edge extraction result.

其次，对图像分割领域中常用的基于边缘的分割方法进行了详细的研究与分析，对各种边缘检测算子进行了MATLAB环境下的实验，分析总结了各种传统边缘检测算子的优缺点和适应环境，并针对传统边缘检测算子在处理显微图像时的缺陷，在实验分析的基础上研究并实现了一种边缘定位更加精确、运算速度更加快捷的边缘提取方法——模板向量算法，在该算法中，对文章提到的一阶微分算子中微分的近似计算作进一步优化，经过对该边缘提取方法进行实验，其结果与传统方法相比，轮廓提取更为精确细腻，且最大程度的保留了图像中物体(目标个体或者明显噪声点)的轮廓，得到了比较理想的边缘提取效果。

The two layers were separated, and the aqueous layer was extracted with diethyl ether (3 15 mL).

两层分离，和水层提取乙醚（ 3 15毫升）。

After saturating the aqueous layer with anhydrous potassium carbonate, the organic layer was removed and the aqueous layer was extracted with tetrahydrofuran 4 .times.

饱和后，水层无水碳酸钾，有机层被拆掉，水层提取四氢呋喃

After homogenate and centrifugation, the fat existing in liver was removed by diethyl ether. Then, the pH of the remaining aqueous layer was adjusted to 11.6 and clenbutamol was extracted using diethyl ether. The mobile phase component A was 50mmol/L phosphoric acid – 30mmol/L triethylamine and the pH was adjusted to 4.0 with 2mol/L sodium hydroxide.

此外，又将含有盐酸克伦特罗的猪肝用匀浆机匀浆，用1mol/L盐酸溶出其中的盐酸克伦特罗，再用乙醚去除盐酸溶出液中的脂肪后，用2mol/L氢氧化钠调节溶出液pH为11.6，用乙醚萃取其中的克伦特罗。

If desired, the extracted fat can then be used to fill out another area of the patient's body.

如有需要，取萃的油脂将被用于填好患者的身体的另一外区域。

Each argument of a wrapped C++ function must be extracted from a Python object using a procedure that depends on the argument type.

如每个封装的C++函数的参数都是从Python对象提取的，提取时必须根据参数类型调用相应的过程。

Then visit the Argyle Diamond Mine and see the rare pink diamonds extracted from this ancient rock each year.

然后游览阿盖尔钻石矿，看看每年从这座古老岩石中提取的珍稀粉色钻石。

Copying the bottom surface and calculating the area indicate high precision of the extracted bottom arris.

手工复楦方法和面积计算方法均表明楦底棱边提取具有较高精度。

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