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- Keywords atomic charge;atomic multipole moments;charge distribution in molecule;cumulative fitting;semiempirical method; 原子电荷;原子多极矩;电荷分布;逐级累计拟合;量子力学半经验方法;
- atomic charge distribution 原子电荷分布
- What is measured, then, is the size of the electric charge distribution. 所以我们所测定的是电荷分布区的大
- In the experiment, the scientists made use of two electrodes with atomic charge, and then the experimental observation of atomic reaction. 在实验中，科学家们利用电极使得这两种原子充满电荷，然后观察这些实验原子的反应。
- Abstract The progress on the nuclear charge distribution in low energy fission of actinide is reviewed briefly. 摘要 近十年来电荷分布研究取得了显著进展。
- Various factors, including the apex geometry of the emitter tip, the protrusion length, and the simulated charge distribution, were considered. 因而对其发射系统进行仿真分析，可以很好地指导液态金属离子源的设计制造。
- The changes of atomic charge assignments have been investigated using Natural Bond Orbital (NBO) analysis and indicate some charges have transferred to the anion from the cation. 此外通过自然键轨道(NBO)分析阴阳离子间的电荷分布，发现阴阳离子间有电荷转移，且该C-H键上的氢原子电荷变化最为明显。
- By employing these parameters, group electronegativity, the charge distribution of some groups containing phosphorus element and the total energies of the groups were calculated. 从电负性均衡原理的观点;利用这些参数确定了一些含磷元素的基团电负性、电荷分布和总能量;并进行了讨论.
- Fang Liang,Fu Haijin,Tu Demin,et al.Space charge distribution of polyethylene after surface treatment by plasma[J].Proceedings of the CSEE,2003,23(8):151-154(in Chinese). [1]方亮;付海金;屠德民;等.;等离子表面处理聚乙烯中空间电荷分布[J]
- The results show that the mass distribution of the coagulated ash particles still follows the R-R distribution and the same size particles have a Boltzmann charge distribution. 结果表明：荷电颗粒群经历外电场作用下的凝聚过程后，其粒径分布仍然保持R-R分布状态，只是平均粒径加大，粒径分布更加集中；
- In this paper, space charge distribution in DC composite insulator FRP rod materials after negative DC high voltage application was measured by PEA method and the results were analyzed and discussed. 摘要使用PEA法空间电荷测量系统测量了负直流高压电场作用后复合绝缘子芯棒材料中空间电荷分布，并进行了相关的分析和讨论。
- The adsorption energy of H~+ on different coal surface, along with correlated chemical bond length, order, and net charge distribution were obtained by means of ZINDO quantum chemical calculation of model compounds. 通过对模型化合物的ZINDO量子化学理论计算 ;得到了H+ 在煤表面的吸附能、相关化学键的键级、键长和净电荷分布 .
- A 10% service charge is added on to the bill. 帐单上包括了百分之十的服务费。
- Applying the difference solution of Laplace equation,we give an approximate,quantitative analysis of the fileld distribution and then the charge distribution of isolated conductor. 本文利用数理方程中的差分法求拉普拉斯方程的近似解 ;对孤立导体空间电势分布作出定量分析 ;从而近似求出孤立导体表面的电荷密度分布情况 .
- The atom bomb is of catholic concern. 原子弹受到普遍的关注。
- The results also show that the electric field change wave of the Non-standard dart-leader namely "even change wave" depend on the branches structure of the lightning channel namely non-uniformity of the charge distribution close by the lightning channel. 结果又指出：非经典式直窜先导电场变化波形，即“平缓变化波形”与闪电通道的分岔结构有关，即与通道附近云中电荷分布不均匀性有关。
- That cannot get up an atom of sympathy for them. 那并不能激发起人们对他们的丝毫同情。
- The ship was sunk by an atomic submarine. 这艘船是被一艘核潜艇击沉的。
- The effects of active chlorine charge in D1 stage, active chlorine charge distribution in the two D stages and the total active chlorine charge on D0(EOP)D1 bleaching of bamboo pulps were investigated in this paper. 探讨了D0(EOP)D1漂白的工艺,对D1段的ClO2用量,两段D的ClO2用量分配比及总ClO2用量进行了优化。
- Scientists have unlocked the secret of the atom. 科学家已经揭开了原子的秘密。
