chemical valence

英 [ˈkemɪkl ˈvæləns] 美 [ˈkemɪkl ˈveɪləns]

网络  化合价

医学化学



双语例句

  1. In aqueous solutions, chemical property of cation or oxideacid anion of all same elements was great difference because difference valence condition.
    水溶液中,同一元素的阳离子或其含氧酸阴离子,因价态不同,其化学性能也迥然有别;
  2. Transition element Any chemical element with valence electrons in two shells instead of only one.
    过渡元素及其化合物:价电子处在两个壳层而不是一个壳层里的任何化学元素。
  3. The content and chemical valence of chromium element, and the content of compounds in different chemical valence in chromate passivation film formed on commercial tinplate via a cathodic dichromate treatment were studied by X-ray photoelectron spectroscopy ( XPS).
    使用X射线光电子能谱(XPS)分析方法,对镀锡铬酸盐钝化钢板中铬元素的含量、价态以及不同价态化合物的含量进行了研究,并对镀锡钢板铬酸盐钝化膜的形成机理进行了探讨。
  4. The valence electron structure of ceramic multiphase in Ti ( C, N) based cermets were calculated by using the Empirical Electron Theory of Solids and Molecules and the relationship between chemical compositions and valence electron structure was established.
    通过经验电子理论(EET理论)计算了多元陶瓷相价电子结构,运用多元线性回归建立了成分与价电子结构的关系;
  5. The influence of anionic ions with different chemical valence on the cmc of the system of SDBS/ STBS was different.
    对于SDBS/STBS混合体系,添加不同价态的阴离子对混合cmc的影响不同。
  6. The results showed that the content of manganese and the average chemical valence fitted well with the theoretical value.
    结果表明产物的Mn含量和平均价态与理论值吻合。
  7. The main causes of the ambiguity are ( 1) some molecules can be represented by more than one chemical structures which all obey rules of Valence Bond Theory and ( 2) certain structures are not mathematically graphs.
    结构歧义性产生的主要原因,是有些化合物能够用多种都满足价键理论的结构式来表示和有的歧义结构不能用数学上的图来明确表示。
  8. Chemical composition of Zinc-chrome film was analyzed by XPS. It is shown that the valence of Zinc is+ 2 and 0, chrome is+ 3 and+ 6, but mainly+ 3. Difference thermal test is adopted to, research film.
    利用X-射线光电子能谱(XPS)分析了锌铬膜的成分,膜中的锌呈+2价和零价,铬呈+3价和+6价,但以+3价形式为主。
  9. Iron with different chemical valence has different oxidation-reduction potential, and has different effects on anaerobic biodegradation of organics.
    不同价态的铁元素氧化还原性不同,对有机物的厌氧生物降解过程的影响也不同。
  10. Research property of the stainless steel coloring film, and detect thickness of film, analyse film element composition and chemical valence by X-ray photoelectron spectroscopy ( XPS), discuss preliminarily mechanics on erosion resistance of stainless steel coloring film.
    对不锈钢着色膜的性质进行研究,检测着色膜的厚度,利用X&射线光电子能谱(XPS)对着色膜层元素组成和价态进行分析,对着色膜耐蚀性的微观机理进行了初步的讨论。
  11. The chemical valence of Sb or Bi has been studied by Auger chemical effects and XPS.
    运用俄歇化学效应和XPS研究了高能离子注入的Sb/Bi元素在氧化锡气敏膜中的存在形式。
  12. 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.
    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。
  13. Results of XPS spectra and activity evaluation indicated that chemical valence state of Pd on active center of catalyst was between 0 and+ 2.
    XPS表征和催化活性评价结果说明,用于CO催化氧化反应的催化剂中单原子Pd活性中心的价态为0~+2。
  14. A wet chemical method has been applied to several T1-based superconductors to determine the Thallium and Oxygen contents. The mean copper valence and hole Concentration ( P) per pyramidal Cu-O sheet can be calculated from these results. COPPER Within the layer the copper?
    该文用湿化学方法和质量分析精确测定了Tl-Ba-Ca-Cu-O样品中Tl和O的含量及其结构式,计算了样品中Cu的平均价态及铜氧层中有效空穴浓度。
  15. Effects of Radiation on Physical and Chemical Properties and Antibiotic Valence of Gentamicin
    辐照对庆大霉素理化性质及效价的影响
  16. Application of chemical formula of equal valence electrons to cluster
    等价式在簇合物中的应用
  17. However, after doping Cr3+ or Ni2+ ion, it will lose some initial capacity. The lower of the dopant amount and the dopant element chemical valence are, the greater losses of the initial capacity are.
    但掺杂Cr3+或Ni2+离子后,会损失部分初始容量,掺杂量越多、掺杂元素化合价越低,初始容量的损失也越大。
  18. Influence of chemical component and bonding-valence on the forms of crystal structures of sulphate minerals
    化学成分和键价对矿物晶体结构形式的影响
  19. The Influence of the Chemical Valence of Electrolytes on the Viscosity of O/ W Emulsions
    电解质负离子价对O/W型乳液黏度的影响
  20. The following conclusions are drawn: ( 1) A molecular formula for an intermetallic compound so complicated like γ-Al_ ( 12) Mg_ ( 17) has its chemical valence structure interpreted satisfactorily for the first time.
    结果具有以下特点:(1)对于象γ-Al(12)Mg(17)这样复杂的金属间化合物分子式的化学价结构提供了满意的解释;
  21. Chemical Valence Analysis of Selenium in Health Food
    保健食品中硒的化学形态分析
  22. The results show that during the forming process of the sequence boundaries, accompanied by physical, chemical and biological weathering, on the sequence boundaries, the element Fe exists in high valence oxide;
    研究表明,在层序界面的形成过程中,伴随着风化作用的进行,在层序界面上的Fe元素以高价Fe的氧化物形式出现;
  23. The Extractability and Chemical Valence Changes of Arsenic in Soil
    砷在土壤中的有效性及其价态转化
  24. Only strictly controlling the temperature can it be prepared what needed especially for the Cobalt, Manganese precursors because of many chemical valence.
    只有控制严格的温度才能制备出所需的产物,尤其对于化合价较多的钴、锰前驱物要尤为重视。
  25. The photo-catalytic properties including crystal pattern, lattice parameter, the specific surface area, chemical state of Ti 2p, O Is on the surface of photo-catalysts, the electronic structure and valence band structure were tested by means of XRD, BET and XPS.
    并采用XRD、BET、XPS等手段表征了改性光催化剂的晶体结构、晶格参数、比表面积、表面化学组成与化学状态、表面电子结构与价带能级结构。
  26. 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,可通过改变离子的价态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。
  27. Through the UV-vis, TEM, XRD, XPS, and other advanced methods of analysis and measurement, the size, morphology, structure, chemical composition and chemical valence of Au and Au@ Pd nanoparticles were investigated.
    通过UV-vis、TEM、XRD、XPS等先进分析测试手段,研究了Au和Au@Pd纳米粒子的尺寸、形貌、结构、化学组成以及化学价态。