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According to calculated results, isoelectronic density graphs of all molecules were plotted, then population analysis were carried out, so the properties of molecules and reaction mechanism were illuminated at microcosmic aspect.

同时得到了各驻点分子的等电子密度三维示意图,进行了布居数分析,从微观上阐明了反应中各分子的性质以及反应的机理。

A number of sensitivity experiments have been conducted to examine parameters of microphysical processes.

在一维模式中研究了几个重要微物理参数对粒子比质量和比数浓度的敏感性。

In this paper,a new method is proposed for synthesizing arbitrarily desired pattern for linear geometry array with nonisotropic elements, and with nonuniform spacing between elements.

提出一种综合具有任意需要方向图的包含非各向同性和非均匀间隔的线性阵列的新方法。该方法的基本思想在于将综合问题转变为一个半无穷维二次优化模型:在一组线性泛约束条件下使权矢量的范数最小。

To test that idea, Tim Clutton-Brock of Cambridge University and Kavita Isvaran of the Indian Institute of Science in Bengalooru decided to compare monogamous and polygynous species (in the latter, a male monopolises a number of females).

为了证实这一理论,剑桥大学的提姆·克拉顿·布罗克和位于本加鲁鲁的印度理工学院的卡维塔·艾斯瓦兰决定对一夫一妻制和一夫多妻制的物种进行比较(在后者中,一个雄性独占数个雌性)。

It was then, during the decades spent in the dark city's majestically spired arena of blood sports, that Valas developed his legendary fighting skills.

正是在那座黑暗的城市中庄严肃穆的尖顶运动场内血腥的运动所花去的数十年里,维拉斯练出了他传奇般的格斗技巧。

In this paper, arrangement scheme of a novel multi-star phase shifted pole changing coil was given and the methods to determine coil split ratio were analyzed. According to electromagnetic theory, 2D electromagnetic mathematical model in which stator windings were spitted coil was developed, and magnetic field distribution of the novel motor at starting was solved by finite element method, starting performance of motor was calculated. Based on energy method, rotor slot leakage reactance under different poles and different loads were calculated, and the variation of rotor slot leakage reactance with loads was gotten. Based on time-step finite element method, distribution of branch current in stator windings and operating performance were calculated and analyzed when branch was unbalance, the method to calculate circulating loss in stator windings of novel multi-star phase shifted pole changing motor was given, and the effects of the loads variation and degree of unequilibrium on circulating loss in stator windings were calculated and analyzed.

论文系统的给出了采用分裂线圈法新型多星形移相变极绕组的排列方案,进一步分析线圈分裂比的确定方法;根据电磁场理论,建立了定子为分裂线圈绕组的电机二维电磁场数学模型,并采用场路耦合法求解了新型多星形移相变极电机起动时的磁场分布,计算了电机起动性能和基于能量法计算了不同极数下起动时转子槽漏抗和不同负载时转子槽漏抗,得出转子槽漏抗随负载变化的规律;采用时步有限元法计算分析了定子绕组支路不平衡时支路电流的分布情况及运行性能,给出了新型多星形移相变极电机定子绕组环流损耗的计算方法,分析比较了负载的变化和支路不平衡度大小对定子绕组环流损耗的影响。

In this paper, The delta wing of Mach number 0.8 at an attack angle of 21. 8 degree is simulated by our program. Then, using the visualizing program, we map the figures of space streamlines, cross streamlines near the vortex axis, three dimensional vortex lines, cloud atlas for pressure and vortex and targer of particles.

在这一章里,我们先用所建立的计算软件数值模拟了来流马赫数为0.8、攻角为21.8°的三角翼的流场,之后以拓扑分析结果做指导,研制了一套数值显示流场、旋涡结构的软件,用该软件我们绘制了跨音速三角翼背风区涡轴附近截面流线、空间流线、三维涡量线、压力和涡量云图以及粒子屏痕图。

Part 6 explores the reaction system containing O-phthalate, Mn〓 and α,α'-diimine, and yields six novel complexes 16~20 possessing binuclear and tetranuclear matello-crown aether as well as 1-D linear structures, indicating that O-phthalate is a potentially useful ligand to give manganese species in a discrete form.

研究了邻苯二甲酸/锰/双齿亚胺(2,2'-联吡啶和1,10-邻二氮杂菲)的反应体系,合成出6个新颖的双核、四金属冠醚和一维线性结构的化合物16至20,表明邻苯二甲酸是合成有限核数锰簇的有用配体。

Franz-Olivier Giesbert's trenchant account of Mr Chirac's past 20 years,"La Tragédie du Président", has been a bestseller for months.

弗朗兹-奥利维埃-吉斯贝尔对希拉克过去任职20年作出了最精辟的记录:《希拉克的悲剧》(La Tragédie du Président),这本书已经连续数月成为畅销书。

In contrast to that seoondary instabilities of the fundamental mode occur in a wide scope of spanwise wavenumber We have found so called' translative instability'at β=0 and bifurcation phenomenon for am...

与之相反,基本模式的三维扰动在很大的波数范围内存在不稳定性,证明β=0时存在&转移&不稳定性;当KH波的幅值A≥0.06时出现分叉现象。

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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。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力