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In order to remove homopolymers, samples were precipitated out with acetone.

为了消除聚物、样品用丙酮沉淀出来了。

The samples were extracted with acetone and the extracts were analyzed by gas chromatography.

建立了同时检测氟乙酰胺和毒鼠强的气相色谱法。

Methods The plasma samples were treated with acetonitrile and analyzed by HPLC with UV 5.15％, respectively.

方法血浆样品经乙腈沉淀蛋白处理后，取上清液在244nm波长下采用高效液相色谱法进行分析。

The method is simple with good accuracy and precision, and it can measure two kinds of material quickly and simultaneously. The method can be used for detection of saccharin sodium and benzoic acid in a large number of food samples.

该方法操作简便，可同时快速测定2种物质，具有良好的准确性和精密度，可应用于大量食品样品中糖精钠和苯甲酸的检测工作。

A series samples of atmosphere,plant and soil were collected and analyzed of Hg content at different function regions in acid precipitation area.

按酸沉降危害程度的差异及不同功能区，进行了大气、植物、土壤汞的同步调查采样分析。

The results suggested that all ore rock samples have potential to generate acid. So effective measures are expected to be taken to prevent acid rock drainage generating.

研究结果表明，所有的矿石样品都具有产酸潜力，需要对矿石进行有效的防控，以阻止酸性岩排水的产生。

In this study, 252 acidophilic actinomycetes were isolated from 10 acidic soil samples collected in Jiangxi Province, Yunnan Province and Beijing with dispersion and differential centrifugation approach.

实验中，从江西、云南、北京采集的10份酸性土样，采用分散和差速离心法和常规分离方法分离出嗜酸放线菌252株。

Among 9 positive cases, 6 liver samples could been found mild histological changes (66.7%), such as swollen, acidophilic degeneration, and lymphocytic infiltrate in portal tract, which were seminal to changes of hepatitis.

阳性病例的切片经HE染色后，6例(6 6 7%)有轻微的肝组织病理改变，包括肝细胞胞浆疏松化、嗜酸性变以及汇管区的扩大和淋巴细胞浸润等。

Methods The process, determination of production technology, test of samples and statistical analysis of test results in pduction of acidophilus milk were anlayzed based on the HACCP principle.

应用HACCP的原理和方法，对酸牛乳的生产过程进行危害分析。对各工序进行现场观察、工艺条件测量、采样检验以及对检验结果进行统计分析。

A prototype system is developed finally with ACIS 7.0 and Visual C++ 6.0, and some samples are used to proved the algorithms involved in this paper.

根据本文提出的算法，在几何造型系统ACIS 7.0和VC++6.0平台上开发了组合夹具夹紧方案自动规划的原型系统，该系统通过对几个实例测试，验证了本文提出的算法。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。