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The final refinement converged to R=0.0686 and 0.0688. In the two complexes, the metal atom is coordinated with one nitrogen atom of alkylamine and three sp^2 nitrogen atoms from NTB and one oxygen atom from H~2O to form a distorted trigonal-bipyramid configuration.

配合物中的金属原子与配体NTB分子中的一个烷胺氮原子、三个sp^2氮原子和一个水分子中的氧形成五配位的扭曲三角双锥构型。

How did the synthesis elaborate Bohr according to the hydrogen atom spectrum experiment rule and Planck, in Einstein's quantum theory introduction atom, thus draws out the energy level rule, the Bohr atom theory's success has triggered the people to the atomic phenomenon and the atomic structure widespread deep research, promoted the atomic physics development.

综合论述了玻尔如何根据氢原子光谱实验规律并将普朗克、爱因斯坦的量子理论引入原子内部,从而引出能级规律,玻尔原子理论的成功触发了人们对原子现象和原子结构的广泛深入研究,推动了原子物理学的发展。

In this thesis, a semi-classical model of the force on an atom is used to describe the motion of a two-level atom interacting with a standing wave laser field. The velocity dependent force and momentum diffusion are derived through optical Bloch equations by using the matrix form of the continued fraction technique. By investigating the dynamic properties of atoms in laser field, we can control and manipulate the mechanical motion of an atom.

本文利用半经典理论,从二能级原子在激光驻波场中所满足的运动方程出发,推导出密度矩阵元所满足的递推关系,利用矩阵连分数方法求解出密度矩阵元,从而求出依赖于原子运动速度的光压力与动量扩散系数,通过讨论原子在激光场中的动力学行为,为原子在激光场中被囚禁、形成原子列阵以及可控制的量子态,从而为量子信息处理提供理论基础。

From the fact that the hydrogens of microbial methane originate in water, it may be deduced that with the reduction of HCO(superscript – subscript 3) a transfer of H atom occurs from the O atom to the C atom within HCO3 anions formed by the disassociation of dissolved CO2 in water, and furthermore, the formyl group forms.

由前人研究结果推断HCO(上标–下标 3)在脱去两个O原子的同时,可能发生了亲核重排,羟基H原子迁移到C原子上,形成了甲酰基HCO(上标-,使甲烷的第一个H原子来源于水。

In one embodiment, the invention is a system for initiating free radical polymerization comprising: a in one part, one or more amido-borate compounds containing one or more anionic amido-borate moieties comprising an organoborate wherein the boron atom is bonded to a nitrogen atom of ammonia or an organic compound containing one or more nitrogen atoms, such as a hydrocarbyl amine, a hydrocarbyl polyamine, or an aromatic heterocycle containing one or more nitrogen atoms and optionally containing one or more heteroatoms or heteroatom containing functional moieties, and one or more cationic counter ions and b in a second part, a liberating compound which reacts with the nitrogen atom bound to the boron atom upon contact with the amido-borate to form an organoborane radical.

在一个实施方案中,本发明是引发自由基聚合的体系,包括:a在一个部分中,一种或多种含有一个或多个包含有机硼酸根的阴离子酰氨基-硼酸盐部分和一个或多个阳离子抗衡离子的酰氨基-硼酸盐化合物,其中的硼原子键合到氨的氮原子或含一个或多个氮原子的有机化合物,例如烃基胺、烃基聚胺或含一个或多个氮原子和任选含一个或多个杂原子或含杂原子的官能部分的芳族杂环的氮原子上,和b在第二部分中,在与酰氨基-硼酸盐接触时与键合到硼原子上的氮原子反应形成有机硼烷基团的释放化合物。

Particularly, the neutral anion fluorescence chemical sensor uses cholic acid molecules as the molecule frame, and introduces a neutral thiourea or ureido to the positions of a 3 bit carbon atom and a 24 bit carbon atom to be used as a bonding unit; a fluorescence chemical functional group is introduced to the positions of the 3 bit carbon atom and the 24 bit carbon atom or to other positions and used as a signal unit, and then a neutral anion fluorescence chemical sensor is synthesized.

具体而言是以胆酸分子为分子骨架,在其3位碳原子和24位碳原子上引入中性硫脲或脲基,作为键合单元;在3位碳原子和24位碳原子上或其他位置引入具有荧光化学官能团,作为信号单元,合成中性阴离子荧光化学传感器。

The analyses of electronic structures shows that the catalytic reactivities for H2 adsorption of the different surfaces are dependent on the numbers of s orbital bonding electrons around Fermi level for the uppermost layer metal atoms which interact directly with H2. It is easy to form vacancy for hydrogen atoms next to iron atom, which indicates that hydrogen atom cannot be escaped, but it is difficult to from vacancy for hydrogen atoms next to magnesium atom, which indicates that hydrogen atom can be escaped. Hence it is thought that the change of dehydrogenating properties of MgH2 with or without a little iron addition attributes to the weakened bonding between magnesium and hydrogen.

分析电子结构发现:空位缺陷有助H2吸附于Mg表面,与Mg(0001)表面最上层与H2直接产生吸附作用的金属原子在费米能级附近s轨道的成键电子数密切相关;在Fe合金化MgH2体系中,与合金化元素Fe近邻的H原子形成空位的难度增加,H原子较难释放;与Mg近邻的H原子形成空位的难度减少,H原子容易释放;Fe合金化导致Mg-H之间存在较弱的成键作用,因此,MgH2体系的解氢性能得到提高。

In this paper, we discuss fidelities and fidelity amplitudes for some models including single-mode field interacting with atom system, two-mode field interacting with atom system, field interacting with atom by multiphoton process system and binomial field interacting with atom system and find some meaning result.

文章中具体研究了单模光场与原子相互作用系统、双模光场与原子相互系统、多光子过程与原子相互作用系统以及二项式光场与原子相互作用系统的保真度的演化特性,以及部分模型的保真度振幅的演化特性,并得出了许多有意义的结果。

Multiple-paths hydrogen abstraction reactions of fluorine -with CH_3OH have been investigated at the MP2/6-311 ++ g level. The potential energy surfaces for H-abstraction reaction from carbon atom and oxygen atom were given respectively. The results indicate that there is only one minimum energy path for hydrogen abstraction from carbon atom, while multiple paths were found for hydrogen abstraction from oxygen atom. All the stationary structures, frequencies as well as PES sketch of all channels were given, in which the dominant channel is by a five-member ring transition state. The calculated heat of reaction is 170.62 kj/mol for channel 1, 119.41 kJ/ mol for branch channel 6. The results are in good agreement with experimental data.

以MP2/6-311 ++g水平上详细研究了氟原子与甲醇抽氢反应的多通道反应机理,得到了各条通道中涉及的驻点的构型和振动频率及其能量,给出了两张完整的反应势能面,结果表明,氟原子从C原子上抽氢时有一条明显的最低能量通道,而从氧原子上抽氢时要涉及多条分支通道和多个驻点构型,给出了各分支通道势能面示意图,结果表明以形成五元环状过渡态通道为优势通道,计算得到经途径1生成CH_2OH时反应放热170.62kJ/mol,经分支途径6生成CH_3O自由基时反应放热119.4 kJ/mol,此结果与实验值一致。

The results show that the number of the squeezed atomic dipoles is decided by the coherence of the atom, the direction of the quantum information entropy squeezing is decided by the phases of the field and the atom, and the quantum information entropy squeezing is a precision tool for the squeezing of the atom, especially when the atom is in the eigenstates of the dipole operators.

结果表明:原子偶极矩分量出现信息熵压缩的数目依赖于原子的分布角;信息熵压缩的方向由原子和场的位相决定;量子信息熵是原子压缩的精密量度工具,尤其适合于原子处在偶极矩算符的本征态时压缩情况的描述。

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Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

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