吸附氧

主要以O－Si－H键状态存在于粒子表面，是由粉体暴露空气后粒子表面产生化学吸附氧形成的。

Which came from the chemisorption of the powder to oxygen in air .

银表面上吸附氧的XPS研究

XPS Study of adsorption of oxygen on silver

综合测试结果表明，金的价态和氧化铈载体的形貌、表面的吸附氧等都是CO催化氧化反应的影响因素。

In summary , gold valence , cerium oxide morphology and surface adsorption oxygen are the factors on the CO catalytic oxidation reaction .

InP清洁表面上电子感应吸附氧的研究

Electron stimulated adsorption study of oxygen on InP clean surface

钴铈复合氧化物在催化氧化中吸附氧的EPR研究

EPR study of the oxygen adsorbed on cobalt cerium mixed oxides in catalytic oxidation

Na2SnO3系催化剂表面吸附氧的EPR研究

The study of adsorbed oxygen species on the surface of a series of na_2sno_3 catalysts by EPR experiments

O2－TPD实验表明吸附氧与催化剂活性没有顺应关系。

O2-TPD test indicates that adsorbed oxygen has no relationship complying with catalyst activity .

采用溶胶-凝胶法制备了锐钛矿型和金红石型TiO2薄膜，利用光电流和XPS技术研究了薄膜表面吸附氧对不同晶型TiO2光催化活性的影响。

TiO_2 thin films ( anatase and rutile ) were prepared on soda-lime glass substrates by sol-gel method .

XPS分析结果表明反应后NiO/Ca2Fe2O5中的吸附氧增多。

According to the results of XPS analysis , the content of adsorbed oxygen in NiO / Ca2Fe2O5 powder increased after reactions .

结果表明：Fe2O3/SnO2膜表面，晶格氧的结合能为529.85eV，热处理前有大量吸附氧存在，在600℃退火后，大部分羟基、羰基形态的吸附氧解吸；

There are a lot of adsorbed oxygen on the surface of unannealed Fe2O3 / SnO2 bilayer and a few adsorbed oxygen left on the surface after annealing .

SnO2/Fe2O3膜表面，热处理前后都只有少量的吸附氧，经热处理后表面吸附氧却略有增加。

On the surface of SnO2 / Fe2O3 bilayer only a little amount of oxygen atoms were absorbed with and without annealing .

同时，在同一电极电位下，化学吸附氧的数量却随着合金当中Rh的含量的增加而明显增多。

Meanwhile , at the same potential , the amount of chemisorption oxygen obviously increased with the increase of the Rh contents in the alloy .

通过XPS分析发现，层状前体法制备的钙钛矿氧化物表面存在着大量的吸附氧和氧缺位，这会对其催化性能产生重要的影响。

XPS analysis showed that a large amount of absorbed oxygen and oxygen vacancy in the surface of perovskite-like oxides had important effect on their catalytic properties .

通常，晶格氧参与主反应生成目的产物，气相或吸附氧导致（或主要导致）副反应生成有机副产物、COx和H2O。

Based on the general understanding , only surface lattice oxygen is responsible for selective reaction , while gas phase and adsorbed oxygen ( mainly ) provides for complete oxidation of the hydrocarbon to CO_x and H_2O .

对几种Pt&Sn/Al2O3催化剂及参比样Pt/Al2O3，Sn/Al2O3催化剂进行了TPD，化学吸附氧和脉冲反应的考察。

Several Pt-Sn / Al2O3 catalysts along with Pt / Al2O3 and Sn / Al2O3 catalysts as reference were studied by means of TPD , oxygen chemisorption , and pulse reaction .

使人惊奇的是，Mn／Ni耦合体系的居里温度在吸附氧前后都比相应Ni薄膜的要低，与一般预期的结果相反。

Strikingly the Curie temperature ( Tc ) of Mn / Ni film before and after the oxygen absorption is lower than that of the bare Ni film , whereas the opposite result would be generally expected .

偏析于晶界的大离子半径的Bi和Ba以及界面上的化学吸附氧O-和O2-对提高Ns和Es起关键作用；

Bi , Ba as segregated larger radius ions at grain boundary and O - , O 2 - as chemisorbed oxygen are the key factors to increase the N s and E s.

由于氧化产物（Sb2O3，Sb2O5及吸附氧原子）在电极表面的积累，不论在酸或碱中，形成3&5个分子层，才导致表面钝化。

Accumulation of the oxidation products , Sb_2O_3 , Sb_2O_5 and O_ ( ads. ,) on the electrode surface to a thickness of 3 & 5 molecular layers leads to passivation in both acid and alkaline solutions .

在XPS谱中，两类湿敏材料的O（1s）峰都是由晶格氧Ol和吸附氧Oa两峰构成。

In the XPS spectra , O ( 1s ) peaks of the two materials are both composed of two peaks of the lattice oxygen Ol and the adsorption oxygen Oa .

O2-TPD结果表明，掺杂Ru使催化剂表面的吸附氧和晶格氧脱附温度降低，A离子空位增加。

O 2-TPD results show that the temperature of adsorption oxygen and lattice oxygen decreased and the content of vacancy of oxygen increased .

用AES结合xPS含量分析，研究了镉在催化剂制备过程中和反应过程中的表面偏析现象，指出前者是由于镉比银的雾化热低造成，后者是由于吸附氧的作用所致。

Cadmium segregation from bulk to the surface in both catalyst preparation process and using process has been studied With AES combined with XPS Analysing . The former is due to cadmium atomization heat lower than silver ;

对催化剂进行了比表面积、XRD和XPS测试，结果表明，高效的催化剂具有较多的活性位、催化剂粉末体系Ce的变价特性以及大量的表面吸附氧。

Furthermore , investigations of various catalysts by BET test , XRD , XPS analysis showed that lots of active points , the diverse chemical valence states of cerium in the catalysts and plentiful surface adsorptive oxygen enhanced the activity of catalysts .

结果表明，BET比表面积、表面吸附氧以及表面三价金属元素的相对含量等物理和化学结构特性对催化剂的活性有重要影响。

The physical and chemical properties , such as BET specific surface area , chemisorbed oxygen , and relative content of Ce (ⅲ) or Ti (ⅲ) on the surface of TiO_2-CeO_2 , had significant influence on the catalytic activity of the TiO_2-CeO_2 catalysts .

对所得纳米CuO的顺磁性进行了研究，结果表明该氧化铜呈现出超精细结构特征，这可能是由于CuO表面有大量的吸附氧或者离子缺陷造成的。

The paramagnetism of the CuO hollow spheres has also been investigated . The results showed the hollow spheres represent hyper-fine signals , which is caused mainly by the absorbance oxygen or the imperfections . 4 .

结果表明：在150～250℃间，Ag（111）表面化学吸附氧时，最可能的吸附位置是叠位，被吸附物的价态为O~-。

The conclusion is : When the Ag ( 111 ) surface chemisorbs oxygen in the range of 150 to 250C , the most probably adsorbed site on this surface is the eclipsed site , the valence state of the adsorbed species is O - .

用XPS技术对催化剂进行了测试，结果表明，催化剂表面上均存在着两类不同的表面氧种：晶格氧和吸附氧，且这两类表面氧种的相对含量与催化剂的活化方式有关。

XPS analytic results show that two distinct surface oxygen species are present over the catalysts , i.e. chemisorbed species and lattice oxygen species , moreover the relative amount of the two surface oxygen species is obviously different under the two activation modes .

利用XPS手段分析表明Sb和Nb的添加增加了催化剂表面的化学吸附氧和弱结合的氧物种，这应该是催化剂活性提高的原因之一。

According to the means of XPS , the doping of Sb and Nb may increase the chemisorbed oxgen and weakly boned oxygen species on the surface of catalyst , which might be one of the reasons to improve the catalytic activity . 5 .

掺杂适量的ZrO2能够提高催化剂的热稳定性和储氧能力，促进催化剂表面吸附氧向晶格氧的转化。

The addition of an appropriate quantity of ZrO_2 could improve thermal stability and oxygen storage capacity , enhance the absorbed oxygen transforming to surface lattice oxygen and facilitate the oxidation of CO simultaneously .

煤吸附氧的过程特性研究

Study on the Characteristics of Oxygen Adsorption Process of Coal

超细氮碳化物中吸附氧和化合氧的测定

Determination of Adsorbed and Combined Oxygen in Ultrafine Nitride and Carbide Powder