average valence 平均价态(18) 均价(4)   平均价态     Analysis of average valence of manganese in MnZn ferrite     锰锌铁氧体中锰平均价态的分析 短句来源     Two complexes with structure of [3Fe2S] were obtained by the reaction of [Fe2S2(CO)6] and PMe2Ph. The average valence of each Fe atom is 4/3 and the bond lengths of Fe-Fe are about 2.60 A.     以[Fe2S2(CO)6] 为反应原料,进行膦配体交换反应,得到膦配体取代的[3Fe2S]配合物(14,15) ,三个Fe原子的平均价态为4/3价,Fe-Fe键的键长约为2. 60 A。 短句来源     The adulteration of Cl" leads to the increase of the chemisorbed oxygen in the oxygen vacancies, the mobile lattice oxygen, Co + content, the average valence of Co ions and catalytic activity. While the adulteration of F" has opposite effects.     Cl~-的掺入导致氧空穴处的化学吸附氧与可移动晶格氧及Co~(3+)含量明显增加,Co~(2+)含量减少,Co离子平均价态升高,活性增加,而F~-掺入的效果则与之相反。 短句来源     The average valence of Fe/Co in SrFe_(1.5 -x)Co_xO_(3.25+δ) systems was determined by iodometric titration. The structure of SrFe_(1.5 -x)Co_xO_(3.25+δ) was determined by X-ray powder diffraction.     利用碘量法测定了SrFe_（1．5－x）CO_xO_（3．25＋δ）系列样品在不同温度下的金属平均价态，结合XRD谱图研究了温度、钴含量对其结构、相组成的变化的影响规律。 短句来源     On the basis of theoretical analysis the expression of the Fe average valence for Fe-S cluster compounds has been proposed.     在理论分析的基础上提出了Fe平均价态的计算公式。 短句来源 更多          均价     An average valence (δ) of atom i in a molecule is defined as δai = (δai + Enyδoy)/(1 + Eng) .     分子中原子i的均价(δ_i~a)定义为δ_i~a=(δ_1~v+∑n_(ij)δ_(ij)~v)/(1+∑n_(ij))。 短句来源     A novel topological index, which is an average valence connectivity index (mK) based on the adjacency matrix and δai , is derived in this paper.     在分子图的邻接矩阵基础上建构均价连接性指数(~mK)。 短句来源   “average valence”译为未确定词的双语例句     The Relationship Between the High-T_c Superconductivity of Oxide and the Number of Average Valence Electrons     高T_c氧化物超导电性与平均价电子数关系 短句来源     Study on QSPR of the Average Valence Number and Average Principle Quantum Number     平均价电子数和平均主量子数的定义及其QSPR研究 短句来源     ESR spectrum with no superfine structure confirms the presence of V 4+ and the average valence of vanadium in the product is +4.30 on the basis of TG and XPS.     无明显精细结构的室温 ESR谱证明了 V4 +的存在 ,根据 TGA和 XPS求得产物中 V的平均化合价约为 + 4 .3 0 .VOx-NTs正极材料初始充电容量达到 40 4m A. 短句来源     EFFECTS OF CONCENTRATION AND AVERAGE VALENCE OF TITANIUM SUBCHLORIDES ON THE ELECTRO-CRYSTALLIZATION OF TITANIUM     低价钛浓度和价比对钛的电结晶的影响 短句来源     The paper studied the reactions for the formation of subhalides with average valence being less than 2.5 by the reaction of titanium with its liquid tetrachloride at lower temperature 973K in KC1 melt.     本文用钛还原四氯化钛的方法研究了在KCl中,973K的温度下制备低价钛盐的过程,可制得平均价低于2.5的低价钛熔盐。 短句来源 更多        查询“average 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。   average valence X-ray absorption near-edge structure (XANES) analysis showed that the average valence of Cr in Sr3Cr2O8 is +5.2, suggesting the presence of mixed valence states in this compound. 例句来源       The change in superconducting properties may be the result of a change in Cu average valence state. 例句来源       These were attributed to the variation of the average valence of Mn ions. 例句来源       The results indicated that Mn2+ is stably present in the La1-xMnO3-δ having an average valence number exceeding 3.0. 例句来源       The average valence state of manganese, determined by iodometry, was approximately 3.2, and decreased by 1 as the lanthanum vacancy increased by 1. 例句来源       更多                    detail by MO theory. The important role of the bridge sulfur for the formation of cluster and the effect of bridge sulfur on the Fe-Fe bonding have been noted. On the basis of theoretical analysis the expression of the Fe average valence for Fe-S cluster compounds has been proposed.             本文对Fe-S原子簇化合物中的Fe-Fe相互作用作了详细的分子轨道分析。指出硫桥对形成原子簇的重要作用以及对Fe-Fe间成键的影响。在理论分析的基础上提出了Fe平均价态的计算公式。 文摘来源          The paper studied the reactions for the formation of subhalides with average valence being less than 2.5 by the reaction of titanium with its liquid tetrachloride at lower temperature 973K in KC1 melt.An improved hydrogen evolution method has been developed to determine Ti2+ and Ti3+ .             本文用钛还原四氯化钛的方法研究了在KCl中,973K的温度下制备低价钛盐的过程,可制得平均价低于2.5的低价钛熔盐。 用改进后的量氢法,准确、简便地分析了二价钛和三价钛的含量。 文摘来源          A series of V-P-O catalysts in the range of P/V ratio = 0.9, 1.0, 1.1, with different calcination temperature and calcination atmosphere for n-butane oxidation to maleic anhydride were prepared by the method of benzyl alcohol reduction. Crystal phases of the catalysts were determined by XRD and FT-IR. The average valence of vanadium in the catalysts was determined by chemical titration. It was considered that the main factor which was related to seclectivity is the formation of crystalline catal...             测定了一系列V-P-O催化剂的丁烷选择氧化总转化率、顺酐选择性和生成速率。用XRD和FT-IR仪对催化剂进行晶相分析。用化学滴定法测定催化剂中钒的平均价态。结果表明,晶形良好的(VO)_2P_2O_2和部分α-VOSO_4的混合物可能是丁烷选择氧化的必要活性相。 文摘来源   << 更多相关文摘         相关查询: average valence number atomic average valence average manganese valence average bond valence average valence of manganese average valence connectivity index (average average) (valence average valence of vanadium the average valence number average  对查询结果不满意

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