相变

Based on the average lattice and average atom models, effects of interstitial impurities on the valence electron structures and phase transformation of Ti-Al alloys are analyzed, and the degree of descension of bond energy, melting point and liquidus temperatures as affected by interstitial impurities are calculated by the bond energy formula of the EET.

应用固体与分子经验电子理论的平均晶胞和平均原子模型分析计算了间隙杂质对Ti-Al合金价电子结构和相变的影响。同时根据该理论的键能公式计算了间隙杂质影响下的键能、熔点和液相线的变化。

Thc influence of desorption of reactant and induced surface phase transition on the reaction was investigated.

考察了反应物的脱附和重构表面的诱导相变两个因素对反应的影响。

Calculated results showed that in the Ni2MnIn phase, the atomic orbital magnetic moment of Mn dominates the unit cell's magnetic moment, i. e., about 85% of the total magnetic moments of unit cells. The contribution of Ni to the total cell's magnetic moments is about 15%. As to the In atoms, they show a weak diamagnetism in both phases. In particular, the phase transformation of tetragonal martensite results in the decrease in Fermi energy of Ni2MnIn unit cells by 0.495 eV.

计算表明：四方马氏体相变导致Ni2MnIn元胞费米能下降0.495eV；Ni2MnIn结构中，In原子具有弱抗磁性，晶胞磁矩为Mn原子轨道磁矩所主导，约占元胞总轨道磁矩85%，Ni原子轨道磁矩贡献约占元胞总轨道磁矩15%。

In first-order transition, the dielectric constant becomes infinite at T〓 Our model has a good agreement with the experimental results on the polarization, dielectric, specific heat and high-field properties.

在一级相变中，介电常数在T〓处是发散的。

The phase transformation and micrographs were studied using X-ray diffractometer and scanning electron microscope.

利用X射线衍射仪和扫描电镜分析其相变和显微形貌。

It can be observed that the diffusive situation is much more significant in the gradient material with large difference of content than that in the material with small difference of content.

梯度铁电相变材料的概念同样可以在其它材料系统中运用，并结合其它物理性能的优化获得高品质的功能材料。

Based on these, the method for analysing the thermal-mechanical problems during the film depositon is proposed, and some mechanical problems are studied which include the asympototic analysis of the stress and deformation in a nonhomogeneous material layer on a substrate and the weight function method for interface crack problems as well as the mechanics of an interface toughening induced by the dilatant transformation.

本文对这些方面的研究及其成果进行了较全面的评述，并在考察了一个薄膜-基底系统（等离子喷涂ZrO〓陶瓷涂层的工艺研究）的生产研究的全过程的基础上，对薄膜沉积过程中的热-力学分析方法和包括表面异质层中应力变形的渐近分析方法、界面裂纹问题中的权函数方法、相变引起的界面增韧的力学分析方法等在内的一些薄膜-界面-基底系统的力学问题进行了研究。

The law of phase change of pipeline steel X80 during continual cooling was studied by adopting dilatometer.

中文摘要：采用膨胀仪研究管线钢X80连续冷却过程中的相变规律。

A new method was investigated of in-situ synthesizing starch grafted sodium acrylate as thickening agent for disodium hydrogen phosphate dodecahydrates.

实验证明该方法是有效的，但重复性差，合成的相变材料批与批之间的储热性能差异大。

At this stage, the solid pyrolyzed products of polysiloxane and polycarbosilane were amorphous silicon oxycarbide and nonstoichiometric silicon carbide containing excess carbon, respectively At higher temperature, structure of the amorphous pyrolyzed products started to rearrange and experienced a disorder →order transformation, even crystallized Cristobalite crystallized from SiO〓C〓, and β-SiC also crystallized from SiO〓C〓 provided carbon content of the starting polysiloxane was high enough, while β-SiC crystallized from SiC〓.

当热解温度达1000℃时，聚合物先驱体的无机化过程已基本完成，其陶瓷转化率值趋于稳定，此时聚硅氧烷的热解产物为非晶态的氧碳化硅，聚碳硅烷的热解产物则为含过量碳的非化学计量比的非晶态碳化硅；随着热解温度的升高，非晶态热解产物的结构逐步调整，发生无序→有序的相变，以至析晶。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。