短程有序

液态Cu和Al的短程有序结构

Structure of short range order in Cu and Al melt

为了研究液态Cu和Al的短程有序结构，建立了液态微观结构的纳米晶粒模型。

For investigating the structure of short range order ( SRO ) in Cu and Al melt , a nanocrystalline model for liquid metal was constructed .

非晶态Fe（100－x）Bx合金中化学短程有序对居里温度的影响

The Influence of Chemical Short-Range Order on Curie Temperature in Amorphous , Fe_ ( 100-x ) B_x Alloy

用由X射线散射数据计算的径向分布函数，研究了分解Al2（SO4）3得到的ρ-Al2O3的短程有序结构。

By using the radial distribution function ( RDF ) derived from X-ray scattering , the structure of the short-range order for ρ - Al_2O_3 obtained by decomposingAl_2 ( SO_4 ) _3 has been studied .

液态结构与Al-Fe-Ce合金短程有序的相关性

Correlation between Liquid Structure and the Chemical Short-range Order of Al-Fe-Ce Amorphous Alloy

求出了它们的干涉函数I（s）和原子径向分布函数RDF（r），并由此获得了有关结构信息的原子平均距离、最近邻配位数和短程有序畴半径。

The informations about the structure of these glassy metals such as the average atomic distance , the nearest coordination number and the radius of short range order were obtained from the radial distribution functions RDF ( r ) .

此外，也有极少量α相在热暴露期间发生了短程有序化（SRO）转变。

In addition , a very small amount of α precipitation was transformed into ordering α 2-phase during thermal exposure at high temperatures .

二维Al-Fe液态合金冷却过程中，优先形成类似于晶胚的短程有序结构单元。

In the cooling process of two-dimensional Al-Fe liquid , it is more likely to form the short-range ordered structures which serve as the embryo .

考虑Zener弛豫效应是由于外应力感生样品中的短程有序度的变化所引起的。

In this paper we consider that Zener relaxation is due to the change of the short-range order in specimens induced by external stress .

由原子在点阵中扩散的反应率过程理论，在最近邻近似下，计算了AB合金的长程有序化动力学及长程序为零时的短程有序化动力学。

According to the theory of the rate process of diffusion of atoms in lattice , the kinetics of long-range ordering and short-range ordering under the condition of zero long-range order in the nearest neighbour approximation has been investigated .

结果表明：脉冲化学镀非晶态Ni－P合金的短程有序畴比化学镀的小0.1nm左右；其晶化初期的激活能比化学镀的高大约26kJ／mol；

The results show that the scale of short range order of impulse electroless is less and the starting activation is higher than that of electroless for about 0.1 nm and 26 kJ / mol.

根据化学键理论和非晶态结构的短程有序，设计了非晶态团簇NiP2，Ni2P2，Ni3P2，Ni4P2的四种构型，并用DFT方法对他们的几何构型进行高水平的量子化学计算。

According to chemical bond theory and short_range_ordering in the amorphous alloy , 4 models for non_crystalline cluster NiP 2 , Ni 2P 2 , Ni 3P 2 , Ni 4P 2 have been designed and their geometric models calculated by DFT method .

通过XRD和HRTEM手段研究了沥青纤维经不熔化、碳化、石墨化过程的微观结构的演变过程，结果发现沥青纤维逐渐地从短程有序结构的类石墨结构发展成为长程有序的石墨结构。

The microstructural evolution of pitch fiber in the oxidization , carbonization and graphitization process is studied by means of XRD and HRTEM . The results show that pitch fiber gradually change from short-range order graphite-like structure into long-range order graphite structure .

电脉冲后等温晶化过程中，延长等温时间，非晶馒头峰的半高宽（FWHM）变窄，表明BMG内短程有序程度增加。

Prolonging the holding time of the electric pulse annealing , the full wave at half maximum ( FWHM ) of the halo peak for amorphous phase became narrow , indicating an enhanced short range order .

用电子衍射和点阵象方法观察到Co-Al合金发生马氏体相变时产生大量层错，其中有局部的短程有序21R排列。

During the martensitic transformation of Co-Al alloys stacking faults occur abundantly and sometimes a local ordered 21R structure can be found by electron diffraction and lattice imaging techniques .

通过分子动力学模拟和蒙特卡罗模拟制得的C-S-H凝胶体系，具有明显的短程有序而长程无序的非晶态结构特性，并且不同钙硅比下的最终结构趋于一致化。

The C-S-H gel system gained through molecular dynamics simulation and Monte Carlo simulation has short-range order and long-range disorder , which belongs to amorphous structure characteristic . The final structures under different Ca / Si ratios tend to be similar .

MSC研究显示多层膜中N2O分子以短程有序的分层错位链结构排列，并求得链中相邻分子间距为0.233nm和相邻分子层之间距离为0.240～0.245nm。

The MSC calculation shows that the N2O molecules in the multilayer are arranged as layered dislocation chains , which show a short range order . The distances between the neighbor molecules and between the neighbor molecular layers are equal to 0.233 nm and 0.240 ~ 0.245 nm , respectively .

在更高的温度，能量转移速率增高，但由于仍然存在的自旋短程有序和Jahn-Teller效应，施主之间的能量迁移受到一定限制，出现非指数衰减过程。

At higher temperature , the rate of energy transfer increases . However , because of the persistence of spin short-range order and the Jahn-Teller effect , the energy transfer among donors is still limited to some extent , and nonexponential attenuation processes appear .

氧化物玻璃中短程有序的穆斯堡尔诺学研究

A Mossbauer investigation of short range order in oxide glasses

制备的碳纳米管的原子排列是一种短程有序排列，是非晶态结构。

The carbon tubes prepared were in short range order with amorphous structure .

ρ型氧化铝的短程有序结构

Structure of Short-Range Order for ρ - Al_2O_3

用短程有序模型解释了部分实验结果。

Some of the experimental results are explained by using the concept of short range ordering .

在对化合物形成合金熔体结构的探索中，研究者发现了多种合金熔体中化学短程有序结构会随成分发生变化。

In some compound-forming melts , it has been found that CSROs will change on dependence of composition .

实验表明光学衍射法对分析点阵象中的局部短程有序是一种有效的方法。

It is shown that optical diffraction method is a useful means of studying this kind of local ordered structure .

结果表明，Fe-1.12Cu合金在固溶态存在铜原子的偏聚区，呈现短程有序结构；

The results show that Cu atom cluster exists as a kind of short distance ordering structure in solution states .

并且，化合物形成合金熔体中存在的化学短程有序结构是否及如何对合金的凝固行为及组织产生影响？

Furthermore , whether and how do these abnormal transitions with temperature of CSROs affect the solidification behavior of compound-forming melts ?

引入了模糊对称群的概念，并用来描述非晶态结构的短程有序。

A concept , Fuzzy symmetric group , is introduced and subsequently applied to the description of short-range order in the structure of amorphous solids .

非晶态合金由于具有特殊的电子性质和短程有序、长程无序的结构特征而广泛应用于功能材料和催化领域。

Amorphous alloys are widely applied in advanced materials and catalysis field because of their special electronic and structural properties of short-range order and long-range disorder .

通过运用键对分析技术和键取向序参数，发现体系中存在着大量的二十面体短程有序单元。

By means of pair analysis technique and bond orientational order , we find that there exist a number of icosahedral short range units in the system .

由各类衍射技术和计算机模拟揭示出的种种拓扑及化学短程序大大丰富了液体结构短程有序的物理内涵。

The topological and chemical short-range orders , revealed by various diffraction method and computer simulations , enrich the intrinsic physical meaning on short-range order in liquid structure .