氧原子

氧原子和羟基在Ni低指数表面的吸附动力学研究

Adsorption Dynamics of Oxygen Atom and Hydroxyl Radical on Low Index Nickel Surfaces

其次，研究氧原子在Pd表面的吸附和扩散。

Secondly , we study the adsorption and diffusion of oxygen atom on Pd surfaces .

水分子由两个氢原子和一个氧原子构成。

A molecule of water consists of two atoms of hydrogen and one atom of oxygen .

两个氢原子和一个氧原子结合组成一个水分子。

Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water .

钉子里的铁原子与空气中的氧原子结合后形成氧化铁分子，也就是锈。

Atoms of iron in the nail combine with atoms of oxygen from the air to form molecules of iron oxide , or rust .

水分子是由两个氢原子和一个氧原子构成的。

A molecule of water is formed by combining two atoms of hydrogen and one atom of oxygen .

重水分子中被标记的氢原子和氧原子可以在离开身体后被追踪到。

Made from heavier forms of the hydrogen and oxygen atoms that make up water , this can be tracked as it leaves the body .

含一个氧原子和一个氢原子的OH负离子。

The anion OH having one oxygen and one hydrogen atom .

氧原子转移试剂存在条件下金属羰基化合物的CO取代动力学研究

Kinetics and Mechanism of CO Substitution of Metal Carbonyls in the Presence of O atom Transfer Reagents

经元素分析、IR、NMR和TG－DSC测定，对其结构进行了表征，配合物是通过酚羟基氧原子和锡原子的配键生成的。

Their structures were characterized by elemental analysis , IR , NMR and TG DSC .

而氧原子在Cu表面的化学吸附结构也曾一度成为所有吸附相结构中研究最多的一种。

For a time , oxygen chemisorption structures on Cu surfaces belong to the most studied of all adsorption phases .

电子结构计算结果表明，弥散相变的原因是由于不同B位原子与周围氧原子成键强度不同所致。

The result of electronic structure investigation indicates that the disperse phase change should be attributed to the difference in strength of B & O bonds .

氧原子在Zr（0001）表面附近的扩散

Diffusion of oxygen atom near Zr ( 0001 ) surface

Mo（CO）5L的氧原子转移反应动力学和机理研究

Kinetic and mechanism of oxygen atom transfer reaction to mo ( co ) _5l

过铝指数AKNC>1.10，碱度指数AR>2.5，分异指数DI>90，氧原子数与分子总数比大于1.98及富F、B的特征。

The ratio of the number of oxygen atoms to the total number of molecules is > 1.98 and is rich in F and B ;

最终计算R，RW分别为0.054和0.063.钇（Ⅲ）离子与8个氧原子配位，其中硝酸根为双齿配位。

The final calculated R , R , are 0.054 and 0.063 respectively . The yttrium (ⅲ) ion is coordinated to eight oxygen atoms .

从金属羰基化合物和氧原子转移试剂两个方面讨论了影响CO取代反应速率的各种因素。

Various factors relating to the metal carbonyls and to the O atom transfer reagents that effect the rates of CO substitution are discussed .

Asp的氢原子与表面桥氧原子之间形成的氢键也对其在表面的吸附有贡献。

Hydrogen bonds from the H atoms of Asp and bridging-O atoms on the surface also contribute to the adsorption .

我们的计算表明表面的桥氧原子是空穴的最稳定俘获位，且空穴轨道具有。原子的p轨道的特征。

It is found that the bridge oxygen on is the most favorite trapping site of hole and the trapped hole orbital has the feature of the p orbital of O atom .

FT-IR、NMR、XPS测试发现酯基上的氧原子参与络合。

The complexation between ions and oxygens of ester groups is found with FT-IR , NMR , and XPS techniques .

配体H2L及H2L（Br）均为四齿配体，它们通过亚胺氮原子和酚氧原子跟金属离子配位；

The ligands are quadridentate and they coordinate with the metal ions through imine nitrogens and phenolate oxygens .

本文测量了La0.7Sr0.3MnO3纳米固体的X射线光电子能谱，观察到高压对氧原子状态的影响。

X-ray photoelectron spectrum of La 0.7 Sr 0.3 Mno 3 Nano-meter solid is measured . The effect of high pressure on the state of oxygen atom is observed .

硅橡胶（Q）为主链含有硅、氧原子的特种橡胶，其中起主要作用的是硅元素。

Silicone rubber ( Q ) - based chain containing silicon and oxygen atoms of special rubber , which play a major role in the silicon .

每个中心Cu（Ⅱ）离子均处于五配位扭曲四方锥构型，配位原子分别来自于两个螯合的邻菲咯啉配体和一个己二酸根上的羧基氧原子。

Each Cu (ⅱ) center is pentacoordinated ( CuN_4O ) to two chelating phen ligands and a carboxylate oxygen from adipate , displaying a slightly distorted square-pyramid geometry .

用第一性原理的总能计算研究了Cu（100））面的表面结构、弛豫以及氧原子的（2×22）吸附状态。

The surface structure , relaxation , and oxygen adsorbed ( 2 × 22 ) R45 ° Cu ( 100 ) surface are studied by ab initio total energy calculation .

氧原子在Ni（111）表面的择优吸附位不受覆盖度影响，氧原子均优先吸附到三重洞位。

The favorite adsorption site of Ni ( 111 ) - O system is apparently independent of coverage . Oxygen atoms adsorb on the fcc site at all coverage .

配合物的晶体结构表明，分子中两个偶氮甲碱的N原子及两个酚氧原子与中心Cu原子形成规则的平面配位结构。

The crystal structure of the complex shows that copper ion was coordinated by two nitrogen atom of the azomethine and two oxygen atom in phenoxy group to form a regular plane .

结构测定表明它的结构属于类质同象，重原子（Pb，Ba）的周围有九个氧原子。

The struetural determination shows that its structure belongs to isomorphism and the heavy atoms ( Ba . Pb ) are surrounded by nine oxygen atoms .

对HG-1组分进行元素分析，结果显示该物质中C、N、H比例约为1：1：1，不含有氧原子；

The element analysis of HG-1 indicated that the ratio of C , N , H was 1:1:1 in HG-1 , and there was no oxygen element ;

氧原子O是化学元素中的一个，最稳定的存在方式是两个氧原子结合而成的氧气O2；

Oxygen atom O is one of chemical elements , and most steady existing way with oxygen atom is diatomic species O2 .