查询词典 complex surface

On the basis of B-Rep of CAD data and ACIS library,a technology of surface filling based on loop feature handling and outlines smoothing is presented in the paper,filling for the surface with complex concave edges is also studied in the paper.

以CAD数据的边界表示法和ACIS几何开发库为基础，提出了基于环特征处理和外边界光顺的曲面填充技术，对含有复杂凹缘的汽车覆盖件曲面填充进行了研究。

Since July, missile testing has been halted in Syria after a surface-to-surface missile exploded at a military complex near the northern City of Aleppo during a joint ...

今年七月以来，导弹试验已经停止在叙利亚后，地对地飞弹爆炸，在一个复杂的军事附近的北部城市阿勒颇在一项联合

Finally, the complex surfaces are developed by partition of the surfaces into small surface segment ,and approximation of the small segment with the developable surface between two Bezier curves.

最后，采用分片与近似的思想，给出了复杂曲面展开的算法，并提出由曲面面积和曲面展开面积的相对误差调节分片程度来满足精度要求。

It was discovered that when ethyl nitrite was introduced to the surface of catalyst, Pd ethoxyl compound was formed and simultaneously the active site Pd was transferred to the surface of catalysts with the change from Pd〓 to Pd〓. Then lined-adsorbed CO inserted into Pd alkoxyl compound to form the carboethoxypalladium complex.

研究结果表明，在CO偶联反应过程中，亚硝酸乙酯在催化剂上吸附，生成钯乙氧基络合物，同时将催化剂表面上的活性中心氧化，由Pd〓→Pd〓，并向催化剂表面上迁移。

For further criterion on the nature of the high-velocity surface-acoustic mode isPSAW or the high-velocity surface-head wave(or longitudinal-wave head wave)wedevelop,the established generalized Green's function theory for the surfaceexcitation The precise expression and its numerical results of Green's function forPSAW is presented,as the contribution of complex pole.

为了判定高速表面波动模式是伪表面波还是头波，对压电晶体半空间的普遍Green函数理论作了一些补充和深入的分析。

Surface reconstruction, aiming to achieve the mathematical expression of geometric model for complex free-form surface from the scattered measured data, is a key technique of Reverse Engineering.

曲面重构，是指从散乱数据点集重构出物体的几何模型，并获得该几何模型的数学表达式，它是逆向工程研究中的关键内容。

CMTC crystal belongs to metallorganic complex compounds and growth units are in the form of complex anions. Therefore, there are probably some unsaturated electrovalent bonds on the growth face, which undergoes a "restruction" process by bond linkages until a stable state with least surface energy is reached.

2CMTC晶体是配合物型晶体，以配位阴离子基团形式向生长界面堆积生长，因此在界面上很可能会存在着一些不饱和的离子悬键，悬键之间可能相互连接进行&重构&以达到表面自由能最小的稳定状态。

The results showed that the blending system could form surface gel and internal spumescent char layer to achieve flame retardant properties.The flame retardant properties of flame resistant PA6 contenting TPMP/MA complex system were studied by LOI,UL-94 and cone calorimeter tests.The results showed that the LOI value of PA6/17%MA system was 27.2,and the LOI value of PA6/4%TPMP/13%MA system was 28.6.The UL-94 test was V-0 level.The flame retardant mechanism analysis indicated that the TPMP/MA complex system could form thick intumescent char layer to execute the flame retardant functions both in the condensation phase and the gas phase.

将阻燃剂TPMP、MA复配后添加到PA6中，通过采用LOI、垂直燃烧及锥型量热仪研究了体系的阻燃性能，PA6/17%MA体系的LOI值为27.2，PA6/4%TPMP/13%MA体系的LOI值达到了28.6；上述体系的垂直燃烧性均为V-0级，对阻燃机理的分析表明，TPMP与MA复配应用时，可形成膨胀的较厚炭层，在气相和凝固相共同发挥阻燃作用。

The optimized stable O3…ClOH chlorine bond complex and O3…HOCl hydrogen bond complex were found on the potential energy surface using density function theory method at B3LYP/6-311++G** level.

在DFT-B3LYP/6-311++G**水平上分别求得O3…ClOH氯键复合物和O3…HOCl氢键复合物势能面上的稳定构型。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐