It is an ideal raw material for producing magnesia carbon brick, with the characteristic of big crystal, compact texture, high temperature property and high slag resistance. 电熔镁砂结晶体大、组织致密、高温性能好、抗渣性强,是生产镁碳砖和铝镁碳砖的优质原料。
Pressure is an ideal parameter suited to the study of organic molecular crystals, as small variation of applied forces typically results in large changes in intermolecular separations, which often trigger dramatic reorganizations of crystal packing. 压强是非常适合研究有机分子晶体的参量,这是因为,施加微小的力就可以造成分子间距较大的变化,引发晶体结构的重构。
The intrinsic defects in stoichiometric LiNbO_3 crystal decrease with the increase of Li molar concentration and the shrinkage of structure cell, which leads to the approach of ideal crystal lattice structure. 这表明近化学计量比LiNbO3晶体锂铌摩尔比增加,晶体内的本征缺陷减少,从而晶胞收缩,晶格更加接近理想结构。
Base on the above ideal, we demonstrate the role of interface layer, adsorptive layer and transitive layer in the process of crystal growth respectively. 并进一步论述了界面层、吸附层和过渡层在晶体生长过程中的地位与作用;
Yttrium Aluminum Garnet laser ceramics is an ideal material substitute for Yttrium Aluminum Garnet laser single crystal because of its excellent properties. 由于钇铝石榴石激光陶瓷具有优异的激光性能,是钇铝石榴石激光晶体理想的替代材料。
Today, materials used in the simulation are all been assumed as ideal crystal without any defects which is differentiated with the reality. 迄今为止的超精密加工模拟研究中,都假定材料为内部没有任何缺陷的理想晶体,这与实际情况差别较大。
On the basis of structural analysis of all possible crystal planes of ammonium dihydrogen phosphate ( ADP) crystal, the tangential growth rate of each plane was calculated by the bond-valence model. The present work provides a successful method for deriving the ideal morphology of ADP crystal. 本文分析了磷酸二氢铵(ADP)晶体中各种可能晶面的结构,并引入键价理论计算了各个可能晶面的相对切向生长速度,以此为基础,推导出了ADP晶体的理想晶型。
The effective Hamiltonian of the ideal surface exciton in polar crystal is derived, taking account of the effect from the surface modes of lattice vibration and on ground of an one-phonon approximation. 计及晶格振动表面模的影响,在单声子近似下,导出了极性晶体中理想表面激子的有效哈密顿量。
Finally, the ideal oscillating range is discussed and it is thought that the frequency stability of any types of oscillator increases as the oscillating frequency approaching to the series resonance frequency of the crystal. 最后讨论了理想的振荡范围,认为不论何种振荡器,其振荡频率愈接近晶体的串联谐振频率,由于电路元件不稳定引起的频率漂移就愈小。
The system can draw not only the ideal shape of crystal, but also the practical shape of crystal, quasi-crystal, and operate the figure with the geometrical and projective transformation. 该系统不仅可绘制晶体理想形态,也可绘出实际形态、准晶态,并对绘出的晶体图进行几何变换和投影变换。
Ideal quality MgO thin films can't be achieved on Si ( 111), that may be because there is big crystal lattice mismatch between Si ( 111) and MgO. 实验发现在Si(111)衬底上很难得到理想质量的MgO薄膜,这可能是由于(111)取向的Si衬底与立方结构的MgO材料具有较大的晶格失配的原因。
It is found by calculation about ideal crystal model that the existing definition of crystal clarity has some shortcomings, and a feasible solution is put forward. 通过对理想晶体模型的计算,本研究找出了晶体纯净度在定义上的不足并提出了一种可能的解决方案。
A set of ideal ECP maps for different cubic crystals was theoretically delineated by using the sterographical projection method of crystal planes. 采用晶面的极射赤面投影方法,从理论上绘制了一套不同立方晶体的理论电子通道图。
It is an ideal selection to use a-Si: H film, which is cheap and with small lag, as the photoconductive layer of liquid crystal light valve. 用惰性小而廉价的a-Si:H膜作液晶光阀的光导层是一种理想选择。
This crystal is an ideal nonlinear crystal, which can apply the maximum nonlinear coefficient, avoid the walk-off effect and apply the whole transmission range of the crystal. 这种周期极化晶体,可以应用晶体最大的非线性系数,避免三波的走离效应,理论上可以应用晶体的整个通光范围,是目前理想的非线性光学晶体。
The results shows that the corrosion is an ideal austenite crystal boundary corrosion for pipe line steel. The accuracy of adopted determination method is high. 结果表明,此浸蚀剂是管线钢一种理想的奥氏体晶界浸蚀剂,所采用的测定方法的精确度较高。
The results showed that multiple organic acids crystal modifier had the most significant effect and could prepare out of ideal short prismatic crystal of α-hemihydrate gypsum with aspect ratio closed to 1:1. 结果显示,多元有机酸类转晶剂作用效果最显著,可以获得长径比近1:1的理想短柱状晶体。
Meanwhile, KDP crystal is usually grown by temperature cooling method in solution. The crystal growth process and morphology are easy to be observed. So it is a ideal model for investigating crystal growth. 与此同时,人们通常采用水溶液降温法来生长KDP晶体,易于对晶体的生长形态和过程进行观察分析,是研究晶体生长的一个理想模型。
Graphene is an ideal two-dimensional crystal; it not only exists very stable in the normally environment, but also show a lot of excellent properties. 单层石墨是理想二维晶体,不仅可以十分稳定的存在于通常环境下,而且还表现出很多优异的性质。