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The optimal chromatographic conditions as following: velocity of nitrogen, hydrogen and air is 35ml/min,25 ml/min, and 300 ml/min respectively; temperature of column and vaporing chamber is 45,100 respectively; temperature of detector is 120℃.

对所制柱子的色谱条件进行系统研究表明，该柱使用温度低，使用温度范围20℃-48℃，可进行常温分析。

In order to know the evolutionary relationships between false vein, ISC, and VSC in Pteridaceae, 19 grnera and 82 species in Pteridaceae were sampled in this study; silica deposition types, ordinary epidermal cell morphology and veinal epidermal cells morphology of these species were surveyed. On the other hand, a convenient method was developed for this goal. In this method, a tabletop SEM with backscattered electron detector accompanied by post-cooling method was used.

为进一步探讨凤尾蕨科假脉、脉间矽异形细胞与脉上矽异形细胞之间的关系及其於凤尾蕨科内的演化，本论文选取19属82种的凤尾蕨科植物，观察其叶表面之二氧化矽堆积型式、一般表皮细胞形态以及脉上表皮细胞形态；同时，也开发出利用侦测背向散射电子之桌上型扫描式电子显微镜配合后冷却技术(post-cooling method)之快速检测法，该方法利用背向散射电子讯号强弱与平均原子数(average atomic number， Z number)之相关性得到矽异形细胞与一般表皮细胞具有明显对比之影像。

［Objective］ To investigate the feasibility and clinical value of Three-dimension Reconstruction with Multiple Detector-row Spiral CT by vesical insufflations in the diagnosis of bladder carcinoma.

［目的］探讨膀胱注气法多层CT三维成像在膀胱肿瘤诊断中的临床价值。

As a result, hydraulic pressure is not an accurate detector of the volumetric filling point.

其结果是，液压压力不能精确的探测充填适度饱和的那个位置。

This is the first report of pectenolone and pectenoxanthin, two types of carotenoid, in the muscle of the Yesso scallop.3 Roles of the carotenoids composition and accumulation in Yesso scallopThe method for detecting carotenoids using reverse phase high performance liquid chromatography was developed. The conditions of RP-HPLC analysis were an analytical scale (200×4.6 mm, inner diameter 5μm) Eclipse XDB-C18 column of Agilent corporation; 10μl injection volume; 25°C column temperature; acetonitrile, methanol and methylene dichloride mobile phase (40:56:4, V/VV) with 0.1% BHT; 1.0 ml per minute flow rate; 450 nm UV-VIS detector; 8 minutes elution.The carotenoids from orange muscle of Yesso scallop of 7, 10, 12, 15, 18, 22 months old was detected using the method refered above.

通过柱层析、高效液相等手段对橘红色闭壳肌中的主要类胡萝卜素进行了提取分离，分离提纯得到两种类胡萝卜素，并通过MS、~1H-NMR和~(13)C-NMR对其进行结构鉴定，结果表明(3S，3\'R)-3，3\'-dihydroxy-7\'，8\'-didehydro-β，β-Caroten-4-one和(3S，3\'S)-7，7\'，8，8\'-tetradehydro-β，β-Carotene-3，3\'-diol，俗称pectenolone和pectenoxanthin是橘红色闭壳肌中的主要类胡萝卜素，这是国内外首次对虾夷扇贝闭壳肌中的类胡萝卜素进行提纯及结构鉴定。3虾夷扇贝类胡萝卜素的种类组成和累积变化规律建立了橘红色闭壳肌中类胡萝卜素的HPLC分析定量检测技术：色普柱为Agilent公司的Eclipse XDB-C18柱200mm×4.6mm，i.d.5μm进样体积，5μl ；流速1ml/min；检测波长450nm；柱温25℃；流动相为乙腈：甲醇：二氯甲烷(V/V/V=40：56：4并加入0.1%的BHT；分离时间为8min。

The detector uses design of liquor zirconic tubes. The controller uses high-performanced TMS320LF2407 as CPU and PID control to realize constant temperature.

检测器采用了导流直插式的锆管设计；控制器采用功能和性价比较高的TMS320LF2407作为中央处理单元，并采用PID控制算法进行恒温控制。

The characteristics of C4D detector are simple in structure, easy in mini AT uriz AT ion and integr AT ion, and free of electrodes contamin AT ion, so it have the important value of applic AT ion in mini AT urized total analysis systems.

该检测器的原理清楚，结构简单，易于微型化、集成化，不污染检测电极，在微型全分析系统中具有十分重要的应用价值。

This means that, the main factor for TOF measurement is the intrinsic time resolution of the TOF detector.

通过对现有的TOF探测器的研究表明，塑料闪烁体TOF探测器的本征时间分辨率普遍在80ps，其总时间分辨率普遍在100ps左右。

This means that, the main factor for TOF measurement is the intrinsic time resolution of the TOF detector.

为了进一步提高TOF测量的精度，通常有两种可行的方案，双层TOF，或者采用新型的TOF探测器—MRPC。

The system can simulate movement of vehicle, state of traffic accident and data detector. It can record every data including those immeasurable at fieldwork, which is the foundation of evaluating effect of thruway traffic accident.

在真实模拟车辆行驶状态的基础上，通过设置事故状态和数据探测器，可以全面记录车辆行驶过程中实际检测设备难以采集到的相关数据，从而为事故影响的定量分析莫定了良好的基础。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。