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single valence
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     The single valence anion (like Cl- and NO3-) had very small removal interference on Cr(VI). Only when the molar ratio of SO42-, PO43- and Cr(VI) in medium reached above 5:1 and 1:5, respectively, 2 kinds of inorganic anion could influence the adsorption of Schwertmannite on Cr(VI).
     一价阴离子(如Cl-和NO3-)对Cr(VI)的去除干扰极小,而仅当介质中SO42-和PO43-与Cr(VI)的摩尔比分别超过5:1和1:5时,2种无机阴离子才影响施氏矿物对Cr(VI)的吸附.
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     conductivity activation energy of the undoped TiO 2 were calculated and related to the measured temperature and the characteristics of electronic carriers At lower temperature and higher oxygen partial pressure,conductivity activation energy is bigger,the concentration of oxygen vacancies is smaller and single valence oxygen vacancies predominate;
     电导激活能不仅与温度有关 ,而且与载流子的特性有关。 在低温高氧分压下 ,电导激活能大 ,氧缺位浓度较小 ,缺陷以一价氧缺位为主 ;
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  “single valence”译为未确定词的双语例句
     RESULTS: The eradication rate of two valence vaccine group, single valence vaccine group of catalase and single valence vaccine group of adhesin conservation was 69.2%(18/26), 30.8%(8/26) and 38.5%(10/26), respectively.
     结果:治疗实验各组H. pylori根除率分别为:过氧化氢酶和黏附素保守区加CT组69.2%(18/26)、过氧化氢酶加CT组30.8%(8/26)、黏附素保守区加CT组38.5%(10/26);
短句来源
     Development of Duplex Vaccine Against Rabbit Escheichia Coli and Clostridium Welchii, and Comparison with Correspondent Single Valence Vaccines
     家兔大肠杆菌-魏氏梭菌二联苗研制及与两种单苗免疫比较试验
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     Moderate amount of single valence in the formation water can decrease the precipitation of petroleum sulfonates.
     地层水中适量的单价阳离子将降低石油磺酸盐的沉淀损失。
短句来源
     Under the WBEPM, the Martin formula about the quantum defect of single valence atoms is extended to many-valence atoms system.
     在最弱受约束电子势模型理论框架下,通过对最弱受约束电子的识别,将Martin关于单价原子量子亏损的公式推广到了多价原子(离子)系统。
短句来源
     Under the WBEPM,the Martin formula about the quantum defect of single valence atoms is extended to many-valence atoms system.
     在最弱受约束电子势模型理论框架下,将Martin关于单价原子量子亏损的公式推广到了多价原子(离子)系统.
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  相似匹配句对
     Single thinking
     思维单一是缺陷
短句来源
     from single to unity;
     从单一到统一;
     Density distributions of valence nucleons under single-particle potential model
     单粒子势模型下价核子的密度分布
短句来源
     SR-ARPES STUDY ON THE VALENCE BAND DISPERSIONS IN SINGLE CRYSTAL C_(60)
     C_(60)单晶价带色散的同步辐射光电子谱研究
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     Valence of French verbs
     法语动词Valence
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  single valence
Classical determination of effective ionization cross sections of atoms with a single valence electron
      
It is found that the "pomeron" couples with a single valence quark of the incident proton, but indications for a diquark-pomeron coupling are also found.
      
The method generates all the covalent and ionic Lewis structures that are relevant to the electronic state, and represents each of them by a single valence bond configuration state function.
      
We show that the method achieves a calculation accuracy of about 1%, which earlier was possible only for atoms with a single valence electron.
      
The adsorption energy for this system is calculated for a hydrogen atom at one of the single valence silicon atoms.
      


Advancing the ρ-bonds is on the basis of the viewpoint of the dimensional structure and the valence of the quantm chemistry and the chemical activation of the single valence of the minor cycloal-kanes which can react on the additional reaction is interpreted from it.

本文依照小环烷烃分子立体结构模式和量子化学的价键理论,提出ρ键说。解释了小环烷烃分子单键能发生加成反应的化学活性.

This paper discusses the consumption of the surfactant (YM-3A sulfonate) due to precipitation in a surfactant flooding process.Effects of ionic strength, salinity,temperature and pH on such a precipitation loss are discussed separ- ately.Moderate amount of single valence in the formation water can decrease the precipitation of petroleum sulfonates.

本文研究了玉门3A 石油磺酸盐在驱油过程中的沉淀损失,分别讨论了离子强度、含盐度、温度及 pH 对石油磺酸盐沉淀损失的影响。地层水中适量的单价阳离子将降低石油磺酸盐的沉淀损失。

Spectroscopic characterization, by means of XRD, XPS, and TPD methods, of the MoSx-K+/ SiO2 catalysts for the synthesis of mixed alcohols from syngas has been carried out. The results of XRD investigation show that a strong interaction takes place between the MoSx-component and the promoter K2CO3, leading to the formation of a new, probably catalytically active, Mo-S-K phase. The XPS investigation of the functioning catalysts indicated that the Mo-species are mainly in single valence state, Mo4+, and sulfur...

Spectroscopic characterization, by means of XRD, XPS, and TPD methods, of the MoSx-K+/ SiO2 catalysts for the synthesis of mixed alcohols from syngas has been carried out. The results of XRD investigation show that a strong interaction takes place between the MoSx-component and the promoter K2CO3, leading to the formation of a new, probably catalytically active, Mo-S-K phase. The XPS investigation of the functioning catalysts indicated that the Mo-species are mainly in single valence state, Mo4+, and sulfur in several oxidation states: S2-(as sulfide), S- or (S-S)2- (as disulfide), and S6+(as sulfate). TPD spectra of H2, CO, and CO-H2mixtrure on these catalysts were taken. Two to four peaks(473, 513, 593, and 623 K) for hydrogen, three peaks(373, 523, and 623 K ) for CO, and three peaks(373, 513,and 623 K) for CO-H2, were observed. With addition of alkaline potassium salt(s) , the concentration of the (S-S)2- species at the surface of the functioning catalysts decreased and so did the hydrogen adsorption on the catalysts, which is closely correlated with shifting the selectivity from hydrocarbon (over MoS2) towards alcohols (over MoSx-K+catalysts).

利用XRD、XPS和TPD等谱学方法对合成气制混合醇硫化钼基催化剂活性相作了表征研究。实验结果表明,碱助的MoS_x-K~+/SiO_2催化剂工作表面生成了Mo-S-K新相,很可能是催化活性相;表面钼物种主要是Mo~(4+),硫除了以S~(2-)作为主要硫物种之外,还观测到低价硫阴离子物种S~-或[s—s]~(2-)。随着碱性钾盐助剂添加量的增加,[s—s]~(2-)物种的浓度下降,H_2吸附量相应减少,这同催化剂的选择性由烃向醇的转变有着密切的联系。

 
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