valence state

[ˈveləns stet][ˈveiləns steit]

价态

  • After the study of their structure transformations distortions and oxygen vacancies and the discussion of Valence changes the conclusion that high pressure decreases the distortion increases the oxygen vacancy and results in some Co ions in low valence state has been obtained .

    通过对其结构相变与畸变程度、氧缺位问题的研究以及价态变化的讨论,得出了高压减小畸变量、增加氧缺位数并导致一部分 低价 Co离子出现的结论。

  • A method for the determination of valence state ratio of uranium in uranium minerals and uranium-bearing ores has been developed based on the quantitative analysis of the ratio in uranium oxides by X-ray photoelectron spectrometry .

    在应用X射线光电子能谱对铀氧化物中铀 比值定量分析的基础上,研究了对铀矿物和含铀矿石中铀 的测量方法。

  • With regard to the heated films the composition and valence state of the elements were unchanged while their structure and the distribution of each element were changed .

    加热后膜层所含元素种类和 不变,但各元素的分布和膜的结构发生了变化。

  • Moreover in the valence electron structure of Nd_2Fe_ ( 14 ) B Al and Nb atoms will replace Fe atom possessing crystal lattice electrons in the crystal lattice electron-free valence state enhancing the anisotropy of the hard magnetic phase .

    Al和Nb原子在Nd2Fe(14)B晶体价电子结构中,以无晶格电子的 置换有晶格电子的Fe原子 ,导致硬磁性相各向异性的增强;

  • The influence of valence state of Ti ions on the lattice parameters is discussed .

    讨论了Ti离子 的变化对晶格参数的影响。

  • The results of XPS show that palladium was almost in zero valence state .

    XPS结果表明,钯几乎全部以零 存在

  • Mechanisms of the surface oxidative reaction and disproportionate of adsorbed CO on Pd are suggested and the relationship between the adsorption-desorption behaviour of CO and the valence state or crystallite size of Pd is also discussed .

    根据实验结果讨论了CO在Pd/Al2O3壳型催化剂上的表面氧化反应机理,Pd 和晶粒大小与CO吸脱附行为之间的联系。

  • When it is in this condition the atom is said to be in a valence state .

    当它处于这种状态时,这个原子就可说是处于

  • A method is presented for the valence state analysis of trace gold in natural water .

    为天然水中痕量金的 分析提供了一个 令人 满意的方法。

  • Application of FTIR and XPS Technique to the Analysis of the Mixture Containing Chromium in a Low Valence State

    FTIR和 XPS对含 低价Cr混合物物相分析的应用研究

  • Determination on Inorganic Arsenic and Its Valence State in Urine of Patients with Acute Arsenic Poisoning

    砷急性中毒病人尿中无机砷及其 测定

  • It is suggested that the NIRs may be from two kinds of bismuth ions with different valence state .

    本文推测,所研究的玻璃体系中,铋离子近红外发光或许来自两种不同 的发光中心。

  • Mn Co Ni with transformable valence state as transition elements are important factors to increase further the state density ;

    易变 过渡元素Mn,Co和Ni对进一步提高 受主态密度起重要作用;

  • The toxicity of chromium ions related with their valence state greatly .

    铬离子毒性与其 存在 有极大的关系,六 铬的毒性比三价铬高 100倍。

  • The vanadium phase and valence state of stone-coal with low carbon in Guizhou province were analyzed by electron probe and a pressure acid leach experiment was carried out .

    利用电子探针分析方法对贵州某地低碳石煤中钒矿物和 进行了分析,并对该矿石进行了加压酸浸试验研究。

  • Study on Effects of Valence State of Cu and Its Oxides By SEM EDS and WDS

    利用SEM、EDS及WDS对铜及其氧化物的 效应研究

  • Two better ones out of seven supported catalysts were selected for carbonylation of ethyl alcohol . Factors effecting the conversion and selectivity for the reaction have been studied and the valence state of active species and the acidity of carrier have also been examined .

    本文由七种负载型催化剂中选出两种比较好的乙醇羰化催化剂,研究了影响反应转化率和选择性的因素,考察了活性组份的 和载体的酸性。

  • Analyzed by the binding energy spectrum and the auger spectrum the valence state of chromium ion and copper ion are + 3 and + 1 after radiation which still has the reducibility to release electrons .

    通过结合能谱及俄歇谱,得到反应后的铬离子及铜离子分别是+3 和+1 ,仍然具备失电子的还原能力。

  • Results reveal that using UV-Vis and FTIR techniques can determine the valence state and position in the periodic table of the central ions in transition metal porphyrin complexes .

    研究发现,可以应用紫外-可见及红外光谱对过渡金属卟啉配合物中心离子的 及其在周期表中的位置进行初步判断。

  • For NO molecule the valence state B2 has a considerable effect on the PES of NO molecule .

    对于NO分子,我们发现NO分子的 B~2П对光电子能谱有明显影响;

  • A review is given on the recent advance of valence state analysis of chromium by on-line separation and preconcentration flow injection-atomic spectrometry . Preconcentration of Cr & and Cr # application of flow injection-atomic spectrometry in valence state analysis of chromium are included .

    对流动注射在线富集-原子光谱法用于铬 分析的研究进展进行了综述,内容包括Cr,Cr的预富集和流动注射-原子光谱法在状态分析中的应用。

  • So we doped foreign ion by the sol-gel method in this paper this paper chose three kinds of ion valence state .

    所以本文中的实验选择使用溶胶凝胶法进行杂质离子掺杂,本文选择三种 不用 的离子 元素

  • Valence state analysis of Fe and its application

    Fe的 分析及其应用

  • Valence state analyses of Fe and Mn in oxides by EPMA have been reported in literature ~ ( 1.2 ) .

    Fe和Mn氧化物 的电子探针分析已见文献报导。

  • Study on valence state transformation and solubility of selenium in Paddy Soils

    水稻土壤中硒的 转化及溶解性研究

  • Because of the valence state specificity there are many allotropes of the carbon .

    碳原子由于 的特殊性,有着众多的同素异形体。

  • Valence State Analysis of Elements by EPMA and Its Application

    元素 的电子探针分析及其应用

  • Redox reaction is a basic soil chemical and biochemical processes which changs the valence state of ions in soil affected by the presence of inorganic and organic forms migration and transformation .

    氧化还原反应是土壤中一种基本的化学和生物化学过程,可通过改变离子的 而对土壤中无机物和有机物的存在形态、吸附、迁移转化等过程产生作用。

  • In addition the valence state of chromium in the acetylacetone chromium salt was changed from trivalence to divalent .

    此外乙酰丙酮铬盐中的铬 元素 由三价转变成二价。

  • Analysis of valence state ratio of uranium in uranium minerals and uranium-bearing ores by X-ray photoelectron spectrometry

    铀矿物和含铀矿石中铀 比值的X射线光电子能谱分析