1、

Previous work in our laboratory has demonstrated that ultrafine amorphous alloys exhibited good catalytic behaviors in eAQ hydrogenation. However, their low surface area and poor thermal stability limit their industrial application.

已有实验室工作表明,超细非晶态合金在蒽醌选择加氢反应中有较好的催化性能,但是其比表面低、热稳定性差,大大限制了它的工业应用。

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2、

Analysis show that the steady-state stability limit will by no means be lowered even with the existance of the synchronous compensator, unless mathematical models different from those presented in this paper are used.

本文分析证明,同步调相机的存在,决不会降低系统静态稳定极限,除非采用了与本文不同的数学模型。

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4、

Stability limit axial force.

安定极限轴向力.

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5、

dynamic stability limit of synchronous motor during power system voltage drop

电压下降时同步电动机的动态稳定极限

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6、

After comparing the stability limit and thermal limit, some rational suggestions about improving the transmission capability are achieved.

通过比较分析福建电网主干输电线路的稳定极限与热极限,给出提高线路输电容量的合理化建议。

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7、

Steady state stability limit with constant flux Restricted curb parking

恒定磁时静态稳定极限规定时限的路边停车

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8、

the effects of dynamic components' characteristics on power system voltage stability limit

电力系统动态元件特性对电压稳定极限的影响

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9、

transient stability limit calculation considering static security constraints

考虑静态安全约束的暂态稳定极限计算

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10、

dynamic and transient stability limit of synchronous motor

同步电动机的动态和瞬态稳定极限

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11、

CPF is the important tool of voltage stability analysis, which can get accurate voltage stability limit points and PV curves, but existing methods have large-capacity computing.

连续潮流是分析静态电压稳定性的重要工具,能求出准确的电压稳定极限点和PV曲线,但现有方法计算量大。

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12、

On this condition, to get exact transient stability limit is quite important for power system's safety and economic operation.

在这种情况下,暂态稳定极限传输功率计算的准确性,对电力系统的安全经济运行就显得尤为重要。

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13、

the dynamic performance and stability limit of synchronous motor during power system voltage drop is investigated using the state equation.

利用同步电机的状态方程,研究了同步电动机在电压下降时的动态过程。经过多次迭代,分别得到了当电压下降为不同值时,同步电动机保持动态稳定的极限时间;

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14、

The upper bound method of limit analysis can be used for the stability analysis of reinforced earth; the internal works on the slip plane is the crux of the stability analysis.

将极限分析上限法用于加筋土结构物稳定性分析的关键是滑动面上内力功如何计算的问题。

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15、

To tackle with the difficulty of keeping vehicle stable under limit control condition, this paper takes the attitude of vehicle as control target, yaw rate and vehicle slip angle as attitude parameters, model matching control as control structure to construct the vehicle stability control system.

针对汽车在极限操纵工况行驶过程中难以保持稳定的问题,以车辆的姿态为控制目标,横摆角速度和车身侧偏角为姿态参数,模型跟踪控制为控制结构,构建车辆稳定性控制系统。

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16、

This method is optimized by using the limit of stability of the numerical tidal model.

利用数值计算方法的稳定性限制条件对质点位置的搜索算法进行了优化,极大地降低了算法的时间复杂度,提高了计算效率。

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17、

Based on geological condition and mechanics properties of open pit footwall slope rock in Xinqiao Pyrite Mine, the stope's stability is analysed by calculation of double slide face type failure mode with limit equilibrium theory.

基于对新桥矿露采下盘边坡的地质概况和岩石物理力学性质分析,采用极限平衡理论,通过双滑面型破坏模式的计算,对边坡作了稳定性分析。

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18、

We respectively obtain sufficient conditions of no limit cycle and the global stability of positive equilibrium point by using of Dulac function method and Liapunov function method.

运用Dulac函数法和构造恰当的Liapunov函数法,分别得到了系统无环的充分条件和正平衡点全局稳定性的充分条件。

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19、

The optimal control method to analyze the stability of soil slopes is presented by combining with finite element method, theory of limit equilibrium, numerical analysis method of ordinary differential equation and theory of optimal control.

结合有限元法、极限平衡理论、常微分方程的数值解法和最优控制理论等,提出用于土坡稳定的最优控制分析法。

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20、

For a high-speed spin-stabilized projectile, Mainly analysis the impact on the the projectile movement stability which Magnus moment generates. The results show that only when nonlinear Magnus moment meets some certain conditions, Rolling projectile will produce a stable limit conical motion.

对于高速旋转稳定弹,本文主要分析马格努斯力矩对弹箭运动稳定性的影响,结果表明只有在非线性马格努斯力矩满足一定条件下,旋转弹箭才会产生稳定的极限圆运动。

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