variable valence 变价(16)   变价      MAGNETIC PROPERTIES AND VARIABLE VALENCE OF Pr ATOM FOR THE AMORPHOUS RE-TM THIN FILMS (RE=Nd, Pr, TM=Fe, Co, Ni)      非晶态RE—TM(RE=Nd,Pr,TM=Fe,Co,Ni)薄膜的磁性和Pr的变价行为 短句来源      Electronic properties, crystal structure and superconductivity of YBa_2Cu_3O_7, induced by substitution of variable valence ions Bi, Al and Ce for Cu(1), are studied.      研究了用变价金属离子Bi、Al、Ce对123相化合物YBa_3Cu_3O_7中Cu—O链上的Cu元素做全部替代时,其电子性质、晶体结构以及超导电性的变化特征。 短句来源      The effect of Sr2+ substitution oh the structure was discussed in terms of tolerent facter (t), variable valence character of Ni ion (Mit+/ Ni3+) and distortion of NiO6 octahedra.      本文从容纳因子t值、Ni离子的变价(Ni~(2+)/Ni~(3+))和NiO_6八面体的畸变角度探讨了Sr~(2+)的掺入量对结构的影响。 短句来源      Study on the Enhancement of the Complex Current of Some Variable Valence Elements in the Catalytic System and Application      某些变价元素络合吸附电流在催化体系中的增敏研究和应用 短句来源      Action of 1-phenyl-3-methyl-4-benzoyl-pyrazolone-5 with Thorium and Rare-earths Ⅱ、Studies on Behavier of Variable Valence of Cerium in the Extracting Process as well as the Preparation and the Properties of Extracting Complex      1—苯基—3—甲基—4—苯甲酰基—吡唑酮—5与钍及稀土元素的作用 ——(Ⅱ)萃取过程中铈的变价行为及萃合物的制备与性质的研究 短句来源 更多          “variable valence”译为未确定词的双语例句      metallicions with variable valence less than 0.5 mg/1.Power consumption about 0.05 KWH/T (COD 100 ppm). Electrode consumption 5-8 g/T (COD 100 ppm).      耗电量约0.05度/吨(COD 100 ppm),电极耗量5—8克/吨(COD100ppm). 短句来源      The fluorite structure characteristics of ceria were demonstrated. The function of electronic defect, oxide ion and its vacancies in ceria in catalytic oxidation was analyzed. The results show that the promoting effect of ceria in oxidation catalysts has closely connection with its variable valence between Ce 4+ and Ce 3+ , as well as the metal support interaction of ceria with transition metals such as copper.      从CeO2 所属的萤石型氧化物结构特点出发 ,对CeO2 内部的电子缺陷、氧离子及其空穴等在催化氧化中的作用进行分析 ,指出CeO2 在氧化催化剂中所起的修饰作用与它的价态变化———Ce4+ /Ce3 + 间的转换 ,以及CeO2 与Cu等过渡金属之间的相互作用密切相关。 短句来源   相似匹配句对      Prospecting Significances of Valence-variable Elements      变价元素在找矿评价工作中的意义 短句来源      On Selection of the Variable      关于自变量的选择 短句来源      On Analysis of Variable      论变量分析法 短句来源      Study on the Enhancement of the Complex Current of Some Variable Valence Elements in the Catalytic System and Application      某些变价元素络合吸附电流在催化体系中的增敏研究和应用 短句来源      Valence of French verbs      法语动词Valence 短句来源 查询“variable valence”译词为用户自定义的双语例句     我想查看译文中含有：的双语例句 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法，我们为您准备了出自英文原文的大量英语例句，供您参考。   variable valence It was established that the formation of chloro-derivatives from unsaturated hydrocarbons proceeds only in the presence of ions of metals of variable valence (Cu2+, Co2+, Fe3+). 例句来源       The influence of various ions of variable valence on the EPR spectrum of alkali borosilicate glass 例句来源       A novel mechanism of superconductivity is suggested in materials with variable valence. 例句来源       A variation of the quasichemical method of cluster components for the case of a spinel solid solution which is comprised of two species of cations with variable valence is proposed in this paper. 例句来源       Higher activities were observed for catalysts containing ions with variable valence (Cu, Co, and Ni). 例句来源       更多                    The new flow diagram illustrated in the present article for treating textile mill wastewater is as follows:wastewater equalization and regulation→electrolytic coagu-lation→separation→coal clinker adsorption filtration→sulfonated coal treat-ment,with electrolytic coagulation and the mechanism of coal clinker adsorption filtration being discussed in detail. Chief results are:color removal 85—95%,COD removal 80—95%,BOD_5 removal 40—60%;metallicions with variable valence less than 0.5 mg/1.Power con...             本文提出了新的纺织工业废水处理流程:水质调节→电解凝聚→分离→煤渣吸附过滤→磺化煤处理,并对电解凝聚、煤渣吸附过滤机理等方面进行了较充分的讨论.主要技术指标:脱色率85—95%,COD去除率80—95%,BOD_5去除率40—60%,变价金属离子在0.5毫克/升以下.耗电量约0.05度/吨(COD 100 ppm),电极耗量5—8克/吨(COD100ppm).本方法具有综合利用、技术效果较好的特点. 文摘来源          According to the property of the rare earth elements of variable valence, in the ignited oxide of rare earth elements Cerium was quantitaively oxided to CeO_2. When dissolved in the concentrated acid, it became the stable Ce(Ⅳ). Using diphenylbenzidine as the reducting agent reacting with Ce(Ⅳ), oxidation product was dark blue colour, Its absorption curve had maximunm absorbance at 600-610 nm and obeyed Beer's Law over the range of 0.4-5μg.ml~(-1) of Cerium. The molar absorptivity was 2.28× 10~4...             根据变价稀土元素的性质,在灼烧过的稀土氧化物中,铈被定量氧化成CeO_2,当其溶解于浓酸时形成稳定的Ce(Ⅳ),用二苯联苯胺作还原剂与Ce(Ⅳ)发生氧化还原反应,氧化产物呈现稳定的深蓝色,其吸收曲线在600—610nm处有最大吸收,摩尔吸光系数2.28×10~4l.mol~(-1)、Cm~(-1),Ce(Ⅳ)的含量在0.4—5μg/ml时服从比尔定律.本文研究了酸度、试剂浓度、共存离子的影响,以及蓝色溶液的稳定性和反应机理等.本方法稳定性好、灵敏度高,可不经分离直接进行分光光度测定。 文摘来源          The imperfect structures of a series of[(La_(1-x)Sr_x)_(1-y)□_y)](Mn_(1-2)□_2) (O_(3-(?))□_x)ABO_3 type compounds have been worked out by polycrystalline X-ray diffractometry. La~(3+) Sr~(2+) and Mn in variable valence states(Mn~(3+) and Mn~(4+))are located at A and B sites respectively. Besides, there are vacancies in A, B and O sites. The number of Mn~(3+) decreases (turning into Mn~(4+)) and the lattice strain increas as when Sr~(2+) content at A sites increases. The lattice strain also varie...             应用多晶X射线衍射法研究了ABO_3型的[(La_(1-x)Sr_x)_(1-y)□_y][Mn_(1-(?))□_(?)](O_(3-δ□_δ]系列化合物的非完整结构。结构中存在空位,Mn~((?)+)和Mn~(4+)的变价以及晶格畸变。在这个体系中对于CO完全氧化反应的催化活性是由二个相互独立的,即B位的Mn~(3+)含量和品格畸变所决定,但Mn~(3+)的量更为重要。随着Sr~(2+)含量的增加,Mn~(3+)含量下降,晶格畸变增大。因此,对这个体系引入Sr~(2+)取代La~(3+),不能起到提高催化性活的调变作用。 文摘来源   << 更多相关文摘         相关查询: variable valence elements variable (valence valence-variable element valence metal oxides with variable valence policy variable aggregate variable variable turbine variable vane delta variable financial variable  对查询结果不满意

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