查询词典 structure stability

Experimentally determined critical growth rate for the occurrence of banded structure is very close to the absolute stability velocity predicted by M-S theory.

首次在Cu-26.6％Mn合金的激光快速凝固实验中观察到了细胞晶→带状结构→无亚结构的界面形态转变。

As growth rates are near the critical velocity of absolute stability limit by the calculation according to M-S theory, it must be considered that deep cells may keep their cellular structure.

当凝固速度近绝对稳定临界转变点时，KGT模型和Hunt-Lu数值模型与试验结果有较大的差别，其原因是这些模型的计算均未考虑到深胞晶在速度高于MS理论计算的绝对稳定平界面极限后仍能保持自身稳定性而造成的； 8。

The invasion of drilling fluid is the main cause to the damage of fractured formation. The composite salt free-gel drilling fluid is got after analyzing the influence of different kinds of such soluble adulterant as organic salt and non organic salt on the performance of the solid-free drilling fluid and studying the condition to develop the free gel structure and the method to improve the fluid's high temperature stability and inhibitive property. The experiment shows that the apparent viscosity of this system is as high as 27000 mPas when the share rate is 0.3 r/min and the high temperature reaches at the stable level of 150℃ and the HTHP filtrate loss decreases to 15 ml at 150℃.

钻井液侵入是裂缝性储层损害的主要因素之一，实验分析了无机盐、有机盐等不同类型水溶性加重剂对无固相钻井液性能的影响，研究了无固相钻井液快速弱凝胶特性形成条件以及高温稳定性和抑制能力的提高方法，研制出的无固相复合盐弱凝胶功能性钻井液高温稳定性达到150℃，具有独特的流变性（0.3r/min黏度达到27000 mPas）和优良的抑制能力（150℃HTHP滤失量小于15 mL），成本远低于甲酸盐钻井完井液。

To make the structure of investor more perfectly, afflux more the capital; increase the stability, we should develop and expand the securities fund rapidly, especially permit the retirement pension and insurance fund influx the stock market directly.

这种投资者结构，加上投资者权益保护制度的缺陷等原因，助长了中国股票市场的投机文化，加剧了股票市场的不稳定性。

It is necessary to study the mine ventilation network structure to ensure the airflow stability in mine.

本文首先对矿井通风网络方面的研究现状做了必要阐述。

Jiang Yang said that in recent years the face of energy, resources, the bulk of the extreme fluctuation in commodity prices, a growing number of companies and investment banks, hedge funds and other institutions to make use of futures market in the allocation of assets and management of risks, global commodity futures market structure and functions of profound changes in the futures market influence greatly enhanced, in the development of commodity futures market position than ever, the gradual deepening of market functions, and its economic stability in the promotion of healthy operation, to safeguard national energy security, food security , financial and economic security, such as the important role of all aspects of growing concern by the market and look forward to.

姜押嗯说，近年来，面对能源，资源，初级商品价格下滑，公司和投资银行，对冲基金及其他机构越来越多的剧烈波动，大部分要利用期货市场在资产风险管理和分配，全球商品期货市场结构和期货市场的深刻变化功能的影响大大增强，在商品期货市场中的地位比以往任何时候的发展，市场功能逐步深化，其经济稳定在推广的健康运行，维护，如对日益增长的市场关心的所有方面的重要作用，国家的能源安全，粮食安全，金融和经济安全，并期待着。

The stability of the amorphous structure in the course of activation was discussed in the light of theory of amorphism crystallization.

借助于非晶晶化理论对活化过程中非晶结构的稳定性进行了分析。

This paper discusses the relations between the dip direction,dip angle of the rock structure plane and stability of the slope,in the last part,it gives further explanation about the relation between blasting construction and geography condition.

通过对岩体边坡产状与结构面产状关系的变化分析，表明爆破后的边坡的稳定性随地形的变化而不断变化。

According to the change of the enemy\'s quantity and the qualitative theory of the differential equation, we research the spruce aphides and its predator system. At the same time, we discussion the spruce aphid multiplication model when the natural enemy quantity is a certain value and the periodic oscillating model whose the quantity of the natural enemy changes along with the time. Obtains the stability condition of the balance point and the limit-cycle existing condition, the system presents the dissipative structure\'s character. Finally it explains that this theoretical analysis has certain practical significance regarding the preventing and controlling harmful insect.

第五章，松毛虫与其天敌的关系是食饵和捕食者的关系，根据天敌数量的变化，利用微分方程定性理论，研究松毛虫与天敌系统，讨论天敌数量为一定时的松毛虫增殖模型和天敌数量随时间变化的周期振荡模型，得到正平衡点全局稳定性和极限环的存在条件，通过计算机模拟，说明周期振荡的捕食模型能够呈现典型的时间耗散结构特征，对于防治害虫有一定的实际意义。

The stability of this kind of structure is considered with an approximate method .

对于此类结构的稳定问题，规范采用的是将变截面等效成等截面的近似方法来考虑的。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。