构

For each molecule, draw the two possible chair conformers and circle

对于每个分子，画出两个可能的椅式构象并圈出较稳定的构象。

In chapter 5,thorough searches on the potential energy surfaces of 13 representative dipeptides are performed and structure characteristics of the stable conformers located were analyzed.

第5章中使用系统的构型寻找方法全面的研究了13种有代表性的二肽分子的势能面，并对所得到的稳定构型进行了结构特性的详细分析。

In chapter 6,thorough searches on the potential energy surfaces of 5 representative tripeptides are performed and structure characteristics of the stable conformers located were analyzed and compared with that of dipeptides.

第6章中使用系统的构型寻找方法全面的研究了5种有代表性的三肽分子的势能面，并详细分析了三肽构型的结构特点及其与二肽的差异。

According to the geometries of the conformers and the statistical weight parameters, we can construct six-state statistical weight matrices.

在此基础上，应用计算得到的模型分子的几何构型与统计权重参数，分别构建针对－CH2-和－CCl2-中心的聚偏二氯乙烯的6态旋转异构态模型。

The calculations resulted in prediction of four different stable conformers of cGMP and eight different stable conformers of cGMPH and their relative Gibbs free energies in the gas phase and aqueous solution.

计算的结果预测了在气相和溶液中cGMP的四种不同的稳定构象及cGMPH的八种不同的稳定构象和它们的吉布斯自由能。

Geometries and energies of various low-energy conformers of the stereoisomers of 2,2,4, 4-tetrachloropentane and 2,2,4,4,6,6-hexachloroheptane were determined at the MP2 level with a 6-311++G** basis set.

在MP2/6-311++G**水平下，对2，2，4，4-四氯戊烷与2，2，4，4，6，6-六氯庚烷旋转异构体构象进行几何优化和能量计算。

The order of relative stability of the PCPX congeners was theoretically proposed based on the relative magnitude of their Δf .

根据异构体标准生成自由能的相对大小，从理论上求得异构体的相对稳定性。

All of the above changes due to adsorption and desorption are the same for the two buffer system, pH 7. 4 PBS and pH 8. 5 Gly-NaOH buffer, except that the conformational changes of fibrinogen desorbed from HA is larger than that desorbed from 〓 and the case of Gly buffer is opposite.

上述构象变化在pH为7.4的PBS和pH为8.5的甘氨酸缓冲液中是类似的，不同的是在PBS缓冲液中从HA表面脱附下来的纤维蛋白原分子的构象变化比从〓表面脱附的大，而在甘氨酸缓冲液中正好相反。

If the client destructs the state machine object without calling terminate beforehand then the currently active states are destructed without calling exit.

如果客户在析构状态机对象之前没有调用 terminate，则当前活动状态将被析构而不会调用 exit。

If the client destructs the state machine object without calling terminate beforehand then the currently active states are destructed without calling exit.

如果客户在析构状态机对像之前没有调用 terminate，则当前活动状态将被析构而不会调用 exit。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。