结构

The result showed that the value of the binding energy was in reasonable agreement with available experimental data, as well as with other theoretical results, and the most stable structure was the triangle of plane.

对所得异构体的结合能和结构进行了分析，发现结合能和实验值以及理论值符合得很好，在结构方面其最稳定的是平面三角形结构。

For polychlorinated biphenyl, QSRR model was built by principal component regression. A regression model with correlation coefficient of 0.9999 and standard deviation of 2.4636 was obtained.

分别对同一结构特征的分子体系和不同结构特征的分子体系进行了程序升温保留指数与其结构之间的关系研究，并建立相应预测模型。

The crystalline phase of the nanocrystalss is the cubic zine blende, consistent with the results of X-ray diffraction and selected area electron diffraction.

电子衍射、高分辨电镜晶格像和X-射线衍射对纳米晶的晶体结构进行了表征，结果都证实ZnSe纳米晶的结构为闪锌矿结构。

By applying the system, the steel structure of bodywork is optimized.

应用本系统对车体钢结构进行结构优化设计，实现了对车体结构的可行性设计。

Therefore, the structure could be stable. However, the structure was changed to amorphous when the strain level was over 15%. At the same time, the binding energy increased rapidly and the structure stability was reduced. During the deformation process, both the bond angle and bond length were significantly affected by the strain level.

这表明Ni纳米线的径向很软，结构之间几乎没有能量转换，且其稳定性基本不变；当压缩程度大于15%时，Ni纳米线结构变为无定形结构，它的结合能变大，且变化很快，表明其稳定性降低；压缩程度对Ni纳米线键角和键长的分布有着很大的影响。

The microstructure of Sm2Co17-based rare-earth permanent magnets consists of 217R main phase, 15 cell boundary phase and lameller phase.

Sm2Co17型永磁材料的典型显微结构是由217R主相和15胞壁相所组成的胞状结构以及片状结构构成。

The proposed method has the merit that the numerical characteristics of stochastic temperature field response can be obtained by analyzing the random temperature field just in one time.3. Perturbed numerical algorithm of nonprobabilistic convex set theoretical models on the temperature fieldThe uncertain parameters of physical parameters and initial boundary conditions of heat conduction are described by the convex model. The perturbation formulas of the upper and lower bounds of temperature field response with unknown-but-bounded parameters are given via the combination of matrix perturbation theory and the convex set theory model.4. Numerical analysis for transient temperature field with interval parametersConsidering the uncertainties of the transient heat transfer, the physical parameters and initial boundary conditions are regarded as interval variables.

该方法具有只进行一次随机温度场分析便可以获得其响应的数字特征的优点。3、温度场的非概率凸集合理论模型的摄动数值解法将结构导热的物理参数、温度场的初始和边界条件等不确定性参数以凸模型加以描述，基于矩阵摄动理论和处理不确定问题的凸集合理论模型的结合，导出有界不确定参数瞬态温度场响应所在集合的上、下界摄动计算公式。4、具有区间参数的瞬态温度场数值分析考虑结构瞬态热传导问题的不确定性，将结构各物理参数和温度的初、边值条件均视为区间变量。

The relationship between the structure and the performance of polycarboxylate superplasticizer was analyzed. The respective function of the structure unit of principal and branched chain was discussed. And the progress of synthesis and molecular structure design of polycarboxylate superplasticizer was reviewed according to the difference in the structure unit of principal chain.

分析了聚羧酸系高效减水剂的结构与性能之间的关系，探讨了减水剂分子的主链结构单元与支链结构单元的功能与作用，并分类介绍了聚羧酸系的分子结构设计及其合成的研究与进展。

Fuel assemblies of fast breeder reactor core submerged in the liquid sodium may vibrate under the earthquake, which possibly leads to structural damage of fuel assembly or structural deformation of the core and affects structural integrity and safety qualification of the core.

浸没在液态钠中的快堆堆芯组件在地震作用下发生振动，可能导致组件结构损坏或堆芯结构变形，从而影响反应堆结构完整性和安全。

As the new energy-saving and environment-friendly materials stainless steel compound pipe has been listed in the specially recommended products of China the Social Survey Institute of State Department in 2002. The products are widely used in public works such as steel structure works road and bridge guardrails lamp poles road signs billboards industrial pipe vehicles and ship luggage rack and rails vehicle pipe and spare parts structure decorative grid steel furniture medical equipment fitness equipment and other fields.

作为节能和绿色环保新材料，不锈钢复合管于2002年被列入国务院中国社会调查研究所特别推荐产品，产品广泛应用于市政工程中的钢结构工程、道桥护栏、灯杆、路标、广告牌架，工业结构用管、车船行李架及扶手，车辆用管及零配件、结构装饰性网架、钢制家居、医疗器械、健身器材等领域。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。