average valence 平均价态(17) 均价(2)   平均价态      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 results show that the contents of Mn2+, Mn3+ and Mn4+ of the samples synthesized at different conditions are different and as a result there are different average valence of manganese.      研究发现,不同工艺条件下合成的样品中,Mn2+、Mn3+和Mn4+含量不同,所得到的Mn的平均价态也不同。 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      It was shown that the average valence of Fe in minerals is related to the ratio Fe Lβ/Fe Lα. The T FeO and the counting rates of Fe Lβ and Fe Lα of an unknown sample were measured by electron probe.      研究表明,含铁矿物中铁的平均价态(反映Fe~(2+)和Fe~(3+)含量)与Fe Lβ/Fe Lα值呈正比关系曲线。 短句来源      XPS spectra showed the average valence of nickel decreased from +3 to +2 with Ni content in LiNixMn2-xO4. However, the average valence of manganese increased from +3 to +4. The decreasing of Mn3+ ions amount can limit the Jahn-Teller distortion of [MnO6] octahedron.      XPS分析发现，随着Ni固溶量的增加，材料中Ni的平均价态由+3价逐渐向+2价过渡，而Mn的平均价态则由+3价逐渐向+4价过渡。 平均价态由3.46提高到3.62，这表明Ni的掺杂有利于抑制材料中的Jahn-Teller畸变，增强晶体结构的稳定性。 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      Four batches of experiment in 40 m~3 fermentor tank showed that the average valence was 6 035.5 IU/μL,and the average content of crystal protein was 0.5%,the product quality reached the top quality of original powder.      40 m3发酵罐连续4批试验表明,平均发酵效价6 053.5 IU/μL、平均晶体蛋白含量达0.5%,产品质量达到原粉优质品。 短句来源      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      The (220) diffraction peak of spinel crystal appeared for LiNi0.4Mn1.6O4, which indicated partial occupation of the 8a sites by nickel atoms in the heavy doped LiNi0.4Mn1.6O4.The average valence of nickel and manganese ions and the ratio of Mn3+/Mn4+ can be studied by XPS.      此外，在LiNi0.4Mn1.6O4的XRD谱中出现了尖晶石结构的(220)衍射峰，表明部分Ni占据了尖晶石结构中Li的8a位置。 我们采用X射线光电子能谱分析(XPS)方法研究了Ni加入对LiNixMn2-xO4中Ni和Mn两种离子的价态及Mn3+/Mn4+离子含量变化规律。 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      The average valence of Fe was obtained from a correlation curve of Fe L#βFe Lα versus and average valence of Fe which was constructed by using a series of iron-bearing mineralstandards.      未知样品只要测得TFeO含量和Fe Lβ、Fe Lα的计数值,就可以分别获得FeO和Fe_2O_3的定量分析结果。 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                    During fused salt electrolysis of titanium tetrachloride in the cell with central basket cathode was measured the redox potential E_(Ti~(3+)/Ti~(2+)), using Ag/AgCl as reference electrode and Mo wire as indicating electrode. On the basis of determined value of E_(Ti~(3+)/Ti~(2+)) was calculated the average valence, which basically agreed with the chemical analysis result of catholyte samples. The electrochemical measurement may be carried out continuously in the course of electrolysis, and the m...             本研究在200安培四氯化钛熔盐电解槽中,以Ag/AgCl为参考电极,测定了中心篮筐阴极区熔体中Mo指示电极上的两价和三价钛离子的氧化还原电位,从而计算出熔体中钛离子的平均价。其结果与取样化学分析基本相符。该法不仅可以在电解过程中进行连续测定、简便而及时了解篮筐内部的价比关系,而且依电解过程中平均价的变化规律,结合反电势的测定,可以作为控制加料速度和判断过程终点的依据之一,为控制实际电解过程提供了可行的方法。 文摘来源          Superconductive oxide compounds are becoming a new important group in searc-hing more effective superconductive materials due to their higher T_c.Forty supercond-uctive oxide compounds have been studied with bond-parameter diagram method.Thecorrelation graphs of T_c-N_e,Z~*/r~2-N/R_2~0,and V/I-N/R_2~0 of these oxides have beendrawn,and the distribution of higher critical temperature superconductive oxides hasbeen shown of regularity.In these graphs,N_e is the electron concentration,i.e.average vale...             本文用键参数图法对四十多种超导氧化物的结构与性能关系进行了研究.通过绘制 T_c～N_(?)、Σ(Z~(?)/r_2)～N/R_0~2和 V/I～N/R_0~2图,分析其结构与超导电性的关系。并在此基础上预测可能是高临界温度超导体的氧化物。 文摘来源          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   << 更多相关文摘         相关查询: average bond valence average valence number average manganese valence atomic average valence the average valence number average valence of vanadium average) average valence of manganese (valence valence average valence connectivity index average  对查询结果不满意

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