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With the action of trade liberalization and the weak of customs barrier, TBT has become an important form to prevent the present international trade. It hinders other country from international trade by its huge covering, multiple style and severe technical standard, meanwhile it influences every exporting countries' profits.

随着贸易自由化的推行和关税壁垒的弱化，技术性贸易壁垒成为阻碍当代国际贸易的一项重要形式，它以其庞大的覆盖面，多样的形式以及苛刻的技术标准阻碍了很大部分的国际贸易的进行，影响了各贸易出口国的利益。

AbstractWith the action of trade liberalization and the weak of customs barrier, TBT has become an important form to prevent the present international trade. It hinders other country from international trade by its huge covering, multiple style and severe technical standard, meanwhile it influences every exporting countries' profits.

摘 要随着贸易自由化的推行和关税壁垒的弱化，技术性贸易壁垒成为阻碍当代国际贸易的一项重要形式，它以其庞大的覆盖面，多样的形式以及苛刻的技术标准阻碍了很大部分的国际贸易的进行，影响了各贸易出口国的利益。

Basal cell carcinoma and squamous cell carcinoma are common cutaneous tumors which are related to multiple factors.

基底细胞癌和鳞状细胞癌是常见的皮肤肿瘤，其发病与多种因素有关。

Moreover,a cutting plane method of interactive linear multiple object decision which is more practical for decision process is used to solve the model.

利用更接近于实际决策过程的交互式线性多目标决策的割平面法对模型求解，给出了计算实例与分析。

Moreover, the paper proposes a cutting plane method which is more practical for iteractive method of Linear multiple objective decision.

首次允许决策者修改某个过高要求的目标、提出了更接近于实际决策过程的交互式线性多目标决策的割平面法。

Linear ; Multiple objective ; Decision making ; Cutting plane

线性；多目标；决策；割平面

For developing an immunoassay for multiple residues of pyrethroid pesticides, the hapten N-2- carbanmoyl-(3"-phenoxyphenyl) methyl 3-(2"-Cldoro-3",3",3"-trifluoropropenyl)-2, 2-dimethylcyclopropane- carboxylate was synthesized from cyanohydrin and 3-(2"-Chloro-3",3",3- trifluoropropenyl)-2, 2-dimethylcyclopropanecarboxylic acid via hydrolysis and esterification. The synthesis of the hapten was foundation of preparaing anti- cyhalothrin polyclonal antibodies.

为了制备对单一拟除虫菊酯高特异性的抗体，以菊酸和氰醇为起始原料，通过水解、酯化反应合成了半抗原N-2-氨甲酰-(3-苯氧基苄基)甲基-3-(2-氯-3，3，3-三氟丙烯基)-2，2-二甲基环丙烷羧酸酯，为进一步制备抗三氟氰菊酯的特异性抗体奠定基础。

In the present study, Hartree-Fock and Density Functional Theory with different basis sets were employed to calculate the structural and thermodynamic parameters of 66 thiophenyl, phenyl sulfoxide and phenylsulfonyl cycloalkane carboxylates. With the statistic software SPSS11.5 for windows and GQSARF2.0, the QSAR models relating physicochemical properties of these compounds to their structural and thermodynamic parameters were successfully obtained, using multiple stepwise regression method. The physicochemical properties observed in this work include octanol/water partition coefficient, chromatographic capacity index, toxicity (EC50 and LC50), and solubility etc.

本文采用从头算方法中的Hartree-Fock 方法、密度泛函理论方法(Density functional theory，简称DFT)中的不同基组，计算了苯硫基、苯亚砜基和苯砜基含硫芳香羧酸酯三类共66 个化合物的结构参数和热力学参数，利用SPSS11.5 for windows 统计软件和GQSARF2.0 软件，采用多元逐步回归法拟合得到与溶质-溶剂相互作用有关的物理化学性质与结构参数和热力学参数之间的QSAR 方程，这些物理化学性质包括辛醇/水分配系数、色谱容量因子、毒性(EC50和LC50)、溶解度等。

The oxidation reaction, the addition of nucleophiles to C-C multiple bonds, cyclization of enynes and cyclopropane compounds catalyzed by gold were intrduced.

第二章：介绍了环丙烷亲核开环反应，总结了以往亲核开环反应的优缺点。

The fragmentation pathways of these compounds are investigated by ESI-MSn and Fourier transform ion cyclotron resonance multiple-stage tandem mass spectrometry.

通过多极串联质谱和多极串联傅里叶变换回旋共振质谱法研究了它们的碎裂规律。

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