长程有序

A-15型Nb3（Al，Ge）中长程有序的讨论

A discussion on long-range order in nb_3 ( al , ge ) compound with A-15 structure

对聚合物薄膜进行不同退火处理后，测试XRD，结果表明随着退火温度的提高，聚合物薄膜的长程有序性减弱。

After different annealing treatment , XRD results revealed that with the increasing of the annealing temperature , the long-range order of polymer film was disappeared .

Cu3Au的电阻率和长程有序

Electrical resistivity and longe-range order in cu_3au

获得的SiO2光子晶体具有长程有序结构，并在近红外区具有显著的光子频率带隙。

It was found that the samples had long-ordered structures and photonic band gaps in the near-infrared region .

球磨中B2型FeAl的嵌镶碎化和长程有序度

Mosaic fragmentation and length range order parameters in FeAl intermetallic compound of type B_2 in the process of ball grinding mills

当热解温度在600-1000°C之间时，SiO2/石墨碳复合材料表现出较好的长程有序性，高的热解温度（900-1000°C）有利于提高碳材料的石墨化程度。

The composite of SiO2 / graphitized carbon exhibited long-range ordered structure at the pyrolysis temperature ranging from 600 to 1000 ° C. The high pyrolysis temperature leads to the higher degree of graphitization .

长程有序金属间化合物Fe3Al合金的研究现状与发展

Recent status and prospects of long-range ordered intermetallic compound fe_3al

降低温度和控制湿度可以调整胶体粒子的沉积速度，更有利于得到长程有序的面心立方结构（FCC）的单晶态胶体晶体模板。

Single crystalline and long-range ordered opal templates with face centered cubic ( FCC ) structure can be obtained by controlling temperature and humidity .

关于一些A-15型化合物的长程有序参数

On the long range order parameters of certain A-15 type compounds

以单分散SiO2胶态晶体球形成的三维有序结构为模板，利用胶体晶模板技术合成了三维长程有序的二氧化锰大孔材料。

Using close-packed colloidal crystals - silica as the template , a novel 3D well-ordered and long-ranged periodic macroporous material MnO_2 has been prepared by colloidal crystals template methods .

经5h机械球磨，Ni－25at.－%Al混合粉末成为无序的亚稳定Ni固溶体，而Ni3Al预合金粉末由Ll2型长程有序金属间化合物转变为fcc无序固溶体；

As to the Ni_3Al alloy powder , 5 h milling makes its structure change from Ll_2-type intermetallic compound with long range order into fcc disordered solid solution ;

用中子衍射方法测定了Fe-Si-Al合金的长程有序度和Fe原子的磁矩。

The degrees of LEO ( Long Range Order ) and magnetic moments of the Fe atoms in a Fe-Si-Al alloy have been determined by neutron diffraction .

利用埋入原子势（EAM势）和等效原子模型，研究了NiAl合金在当量成分下结构稳定性与长程有序度的关系。

The relationship between the structural stability and the long-range-order parameter of stoichiometry NiAl has been studied using effective atom model based on the embedded-atom-method ( EAM ) potential .

采用优化的水热合成法，在473K反应2h合成了具有优良长程有序性的2∶1型三八面体蒙皂石（皂石）。

According to an optimized hydrothermal synthesis method , trioctahedral smectite ( magnesium-saponite ) with good long range order was synthesized within 2h at 473K .

结果表明，TPU具有明显的微相分离现象，其软硬段形成了长程有序，具有规则周期的微区结构，交替排列分布。

It 's found that the TPU has micro-phase separation characteristic obviously , and the ordered , regular and periodic domain structure of it 's hard-soft segments is also formed .

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 .

实验结果表明，微量Mg的加入能够明显提高γ′相的长程有序度和反相畴界能，因而有效地增加了γ′对位错运动的阻力。

The experimental results show that the addition of trace Mg to the alloy will increase greatly the DLRO and the anti-phase domain boundary energy of γ′ - phase . As a result , the resistance provided by γ′ - phase to the dislocation movement can be increased .

结果表明，Zr/MoMCM41中孔分子筛具有一定的长程有序性、结晶度和较强的酸性。

The results showed that the Zr / Mo-MCM-41 has better long-range order and crystallinity as well as stronger acidity .

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 .

XRD和TEM测试表明所合成材料具有高度的长程有序结构，样品的N2吸附/脱附等温线表明，高度有序的Ti-MCM-41材料展示了毛细凝聚的陡峭台阶和狭窄的介孔孔径分布。

XRD and TEM provided direct evidence for a well - ordered hexagonal nano pore structure . N2 adsorption / desorption isotherm showed that highly ordered Ti - MCM - 41 materials exhibited sharp steps of capillary condensation and narrow pore size distributions .

与其它结构分析方法相比，XAFS不要求样品具有长程有序结构，不需要破坏样品，因此，XAFS非常适合用于非晶态的古陶瓷结构分析。

Compared with other structural analysis method , XAFS does not require long-range order structure and destruction of samples . Therefore , it is very suitable for XAFS to analysis amorphous structure of the ancient ceramics .

Zn2+或Mg2+取代Cu2+后就破坏了这种长程有序，使Cu2+的有效磁矩升高，并且在77～300K温区内观察不到N啨el态。

The substitution of Cu 2 + by Zn 2 + or Mg 2 + frustrates this long range ordering and raises the effective magnetic moment of Cu 2 + , and the N é el state can not be observed in a temperature range of 77 ~ 300 ? K.

在这两种情况中，内耗都是正比于（1-S）的一次幂或二次幂的，这里S是长程有序程度。

In either case the internal friction is found to be proportional to the first and second power of ( 1-S ), where is the degree of long range order .

本文将文献[1]的无序晶态合金电阻率理论推广到包含长程有序的系统，从而建立了适用于晶态金属，无序及有序替代式合金的Ziman型电阻率理论。

The Ziman-type resistivity theory developed in reference [ 1 ] for disordered crystalline alloys is extended to the systems in which the long range order exists , so that it can be applied to the crystalline pure metals and ordered and disordered substitutional alloys .

结果表明，G-SBA-15和O-SBA-15均具有良好的长程有序结构，二者环氧基团的含量分别为0.78mmol/g和0.37mmol/g，在O-SBA-15表面还存在一定数量的乙烯基基团。

The results show that both retain a well-defined pore structure . The epoxy group content grafted on G-SBA-15 is 0.78 mmol / g. The O-SBA-15 possesses the epoxy group content of 0.37 mmol / g and considerable vinyl groups existing on its surface .

结果表明：普通高硅铁基合金的基体均为铁素体，主要是长程有序的Fe3Si相，这种相有低温脆性现象同时是合金产生硅脆的根本原因。

The results show that the base structure of a general high silicon iron-base alloy is high silicon ferrite , which is mainly the long-range ordered Fe_3Si . Fe_3Si has low-temperature brittleness and is the main reason for silicon brittleness .

单分散的胶体颗粒能自发排列成胶体阵列，其长程有序结构能获得许多特殊的性质。

In colloid system , monodisperse colloidal particles can be self-assembled into crystalline array .

稳定性与长程有序度的关系

Relationship between Structural Stability and Long-range-order Parameter

二步阳极氧化法比一步阳极氧化法可得到更加理想的长程有序分布的纳米孔。

Compared with one-step method , Two-step method could get ideally ordered hexagonal pore arrays easily .

由于晶体排列长程有序，导致晶体材料的一些物理性能呈现各向异性的特征。

Some physical properties of crystalline materials presented anisotropic characteristics due to long-term orderly arrangement of atoms .