离子半径
- 名ionic radius
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发现随着A位平均离子半径<rA>的减小,样品的居里温度下降,磁电阻增大。
With decreasing the average ionic radius of La site , we found a decrease in To and an increase in the magnitude of magnetoresistance .
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稀土的生物调节功能受其剂量、离子半径、配合物类型以及环境pH等因素的影响。
The regulatory functions of REE can be influenced by several factors such as dosage , ionic radius , compound type of REE , and environmental pH , etc.
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三明治型酞菁稀土配合物M(Pc)2电子吸收光谱的离子半径效应
Effect of Ionic Size on Electronic Absorption Spectra of Bis ( phthalocyaninato ) Rare Earth Complexes M ⅲ( Pc ) _2
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通过对原子间力常数的分析,可以发现Ba和Sr的离子半径对A-O之间不同性质的相互作用至关重要。
Analysis of the real-space interatomic force constants confirms that the ionic radius of Sr and Ba are crucial for different A-O interactions .
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结合Co、Ni掺杂材料的结构和性能,将其在晶体场稳定能、离子半径、离子晶格能及氧化态等方面对正极材料循环性能的影响进行探讨。
Combine the conclusion of structure and performance analysis with element Co and Ni , to Analyze the influence of them in crystal field stabilization energy , hydronium semidiameter , crystal lattice energy and oxidation value .
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此外,Mn、Co掺入后,薄膜的X射线衍射峰有小角度偏移,这与Mn~(2+)、Co~(2+)离子半径有关。
When Mn or Co doped ZnO , the diffraction peak position shifted a small angle . This phenomenon correlated with the Mn ~ ( 2 + ) or Co ~ ( 2 + ) ionic radius .
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锆石巨晶中发现的斜锆石包裹体和其它产地斜锆石相比具有贫大离子半径元素U,Th,Y,ZrHf高的特点。
In comparison to baddeleyite inclusions from other localities , the baddeleyite inclusions of Mingxi are depleted in large incompatible elements U , Th and Y , and have higher ratio Zr / Hf .
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偏析于晶界的大离子半径的Bi和Ba以及界面上的化学吸附氧O-和O2-对提高Ns和Es起关键作用;
Bi , Ba as segregated larger radius ions at grain boundary and O - , O 2 - as chemisorbed oxygen are the key factors to increase the N s and E s.
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通过IR、UV、XPS、热分析对化合物的性质和结构进行了系统表征,表明:过渡金属的离子半径、电子数以及外层电子结构均对新化合物结构和成键特征有着一定影响。
It can be drawn that the ion radius , electron number and outer shell electronic structure of transition elements may have an effect on the structure and characteristics of bonds of multicomponent polyoxometalates with transition elements .
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超支化聚合物溶液的LCST的这些变化规律都是由于加入无机盐中负离子半径的不同,导致盐溶、盐析效应造成的。
All of these variations of LCST are caused by the difference of particle radius , which is called salting-in or salting-out effect .
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补偿效应参数(K0)和能量分布指前因子(1/b)均与负载的金属离子半径(dm)有关。
E. the activation energy ( E ) increased with the increase of the pro-exponential factor ( A ), Both compensation effect parameter ( K0 ) and energy distribution exponential factor ( 1 / 6 ) were closely related to the metal ionic radius ( dm ) .
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让我们假设钠有半径,是,氯也有半径,是,当r比离子半径大很多的时候,我不需要这样来描述。
R + And let 's say that sodium has a radius , r plus , r-and chlorine has a radius , r minus , when r is very large in comparison to the radii of the ions , I don 't need to draw them this way .
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此外,随着碱土金属离子半径的增加,4,6-二羟基嘧啶碱土金属配合物出现从单核、1D、2D到3D孔道的结构演变,而且这些配合物都具有较强的蓝色荧光发射。
Moreover , the structure evolution from mononuclear , 1-D , 2-D to 3-D porous framework in alkaline earth metal complexes based on 4,6-dihydroxypyrimidine can be attributed to the increasing radius of metal ions , and these complexes exhibit strong blue emissions .
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从相关系数R和回归方程的显著性检验(F)都说明r与Sr密切相关,其中102种阳离子半径数据与具有代表性的离子半径参考值相比平均绝对误差仅0.9pm,相对误差1.1%。
The correlation coefficient R and test of significance ( F ) showed that r was closely related to Sr. The average absolute error of the 102 radii of positive ions was only 0.9 pm with the representative radii of ions , the relative error was 1.1 % .
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在17种元素的标准化曲线图上,具Rb、K的峰和Ta、Ti的谷,表明了火山岩中大离子半径元素的相对富集和高场强元素的贫化。
In the chondrite-normalized multiple-element diagrams ( spidergram ) the peaks at K and Rb and the troughs at Ta and Ti have been observed , which indicate relative enrichment of K-group elements and depletion of some HFS elements in the volcanic rocks .
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方解石中REE最佳替代位置的离子半径大约为0.091±0.001nm,明显小于理想的Ca~(2+);
The optimum ion radius of substitutional site for the REEs in the hydrothermal calcites from the Xikuangshan deposit is about 0 . 091 ± 0 . 001 nm obviously smaller than the theoretical value of the ideal Ca2 + ion .
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Zr-H键长接近于Zr~(4+)和H~-的离子半径之和,而不是Zr和H原子的共价半径之和。
The Zr-H bond length is close to the sum of the ionio radii of Zr ~ ( 4 + ) and H ~ - , but not to the sum of the covalent radii of Zr and H atoms .
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认为很大的磁电阻效应与用离子半径小的Y部分替代离子半径大的La有关,它会破坏双交换作用,从而导致Jahn-Teller效应。
It is suggested that it may be related to the partial substitution of La ~ ( 3 + ) cation with smaller Y ~ ( 3 + ), which may destroy the double exchange interaction of ( Mn O Mn ,) giving rise to Jahn-Teller effect .
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Bi2O3对材料微波电性能有显著的影响,从离子半径匹配角度,Bi2O3一般出现在晶粒间,形成玻璃相,一方面促进烧结,使致密化提高,低频损耗变小;
Bi_2O_3 affects remarkably microwave dielectric loss . From ionic radius , Bi_2O_3 is expected to exist at grains boundary and produce glass phase , so it promotes the sintering of samples and reduces low frequency dielectric loss .
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本文讨论了笔者(Ⅰ)报提出的简化Pitzer(1980)模型中单参数的物理意义,发现该参数与水化数成正比,据此得出由离子半径预测单参数的关联式。
In this paper the physical meaning of the single parameter in simplified Pitzer ( 1980 ) model is discussed . The parameter is found proportional to the hydration number of the electrolyte , therefore the correlation equation is obtained from which this parameter can be evaluated from ionic radii .
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浅析原子半径和离子半径
An analysis of the Definition of Atomic Radius and Ionic Radius
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从离子半径变化看元素地球化学场中的成矿分带
Studies on the Mineral Zoning Indicated by Geochemical Field of Elements
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离子半径的质量和电量综合因子的标度
Ionic Radius Scale of Establishing Synthesis Factor of Ionic Mass and Electricity
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氯化物的吸附量与阳离子的价数,离子半径等因素有关。
The chloride amount adsorbed is related to cation valence and radius .
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先锋电子模型与计算离子半径的新方法
A method for ionic radius calculation by vanguard electron model
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铜氧化物高温超导体空穴补偿效应和A位平均离子半径效应研究等高平面位置显示器
Hole Compensation Effect and A-site Radius Effect Studies on La-based Cuprate Superconductors
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这是稀有气体的离子半径。
This is ionic radii with a noble gas configuration .
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一种计算金属原子半径和离子半径的方法
The method of calculating the atomic radius and positive ionic radius of metal
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合金的离子半径对镁基储氢材料电化学性能的影响
Effect of Ion Radius on Electrochemical Properties of Magnesium Base Alloys for Storing Hydrogen
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还反映了大离子半径元素的热沉积的信息。
There is developed thermo-deposition information about the " big ionic radius " elements .