稳定性

This paper studies the second Ventilated Shaft of Qinling Zhongnanshan tunnel in Xi an-Ankang freeway, and makes a research of the stability of the shaft surrounding rock through the construction process in different depth.

本文以西安-安康高速公路秦岭终南山隧道2#通风竖井为研究实例，以竖井开挖过程中围岩稳定性为主要研究对象，主要分析了开挖过程中，不同深度下竖井开挖对竖井同岩稳定性的影响。

For the single-loop, we can relax the control intensity to get better stability; the cascade loop, deputy circuit the need for better self-stability of the rapid response and in order to follow the main circuit changes.

对于单回路而言，可以放宽控制强度得到较好的稳定性；而串级回路中，副回路需要较好的快速响应及自我稳定性才能跟随主回路的变化。

Based on the nonlinear dynamical model of the rotor-bearing system with rub-impact and pedestal looseness, the system periodic motion and its stability were studied in unbalance-rotating speed plane and rotor/stator clearance- rotating speed plane, and the effect of parameters on the system was analyzed and tested by the experiment.

以含有松动和碰摩耦合故障的转子轴承系统为研究对象，对松动碰摩耦合故障转子的周期运动稳定性及其失稳规律进行了研究，得到了系统在不平衡量-转速、碰摩间隙-转速等参数域内的分岔集，分析了这些参数对系统周期运动稳定性的影响，并用试验加以验证。

At the same time, it can improve the ripple of the voltage. Based on the fussy variable-structure control, the effect of PSVC in improving the stability of the system is studied deeply.

本文进一步做了PSVC对系统稳定性的研究，通过分析证明了：当引入系统角频率的变化量作为辅助控制信号时，PSVC能够提高系统的阻尼，使系统的动态稳定性明显提高。

Experiment finds that melamine formaldehyde resin could reduce the ramie fiber's water absorption.But it usually has low storage stability.For improving the storage stability,the property of Melamine formaldehyde resin is modified by polyvinyl alcohol.

实验发现，三聚氰胺甲醛树脂可降低苎麻纤维的吸水率，但三聚氰胺甲醛树脂存放稳定性差，加入聚乙烯醇进行改性可显著改善三聚氰胺甲醛树脂的贮存稳定性。

One hand, under floating exchange rate system the stability of the prevalence of non-speculative, while the fixed exchange rate system with the general stability of speculation because the speculators will be expected to exchange rate adjustment to a fixed level, and the Government's intervention in the market traders of the psychological there are "nominal anchor" role in creating a more stable economic environment.

一方面，浮动汇率制度下盛行的是非稳定性投机，而固定汇率制下的投机行为一般具有稳定性，因为投机者预期汇率水平将会向固定水平调整，并且政府的介入使市场交易者的心理上存在&名义驻锚&的作用，营造了一个比较稳定的经济环境。

Based on reference [1], a new index to estimate the voltage stability weakness of nodes and a method to judge the transmission line with weak voltage stability are proposed.

在文献[1]的基础上提出一种新的衡量节点电压稳定性薄弱程度的指标和一种判断电压稳定性薄弱线路的方法。

Increased stability to cross-train on your team – If folks aren't leaving because they believe the devil you know is better than the one you don't, take advantage of the stability.

在你的团队中增强这种训练的稳定性——如果他们不打算离开是因为他们相信你了解的这家公司要比你不了解的公司要好的话，就好好利用这种稳定性。

The electronic spectra of C70H2 have been studied, of which the characteristic absorptions are consistent with the experimental results.

在此基础上预测C70F2和C70Cl2的稳定性和电子光谱，表明C70F2四种异构体的稳定性顺序与C70H2一致，而C70Cl2则以21， 42-异构体最为稳定。

The hydrolytic stability of the target compounds were tested by chemiluminescent method.

而且化学发光法对其水解稳定性考察显示，取代基的电性和位阻是影响稳定性的两大因素。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。