Similar to nanocrystalline FCC metals, the deformation mechanism of nanocrystalline BCC metals can be explained as being dominated by grain rotation, grain boundary sliding or movement and dislocation migration.

Variable structure control is brought in 50' s. The sliding mode movement of variable structure system holds the invariance for the change of system parameters, outside disturbance.

变结构控制出现在19世纪50年代，它以其对参数摄动、外界扰动、系统不确定模态和模型不确定性具有不变性的优点在实际中得到了广泛的应用。

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Grain rotation, grain boundary sliding or movement and dislocation migration are observed during the deformation process of Fe& Ta samples.

在变形过程中，两者都出现了晶粒旋转，晶界滑移和运动以及位错的运动。

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The variation of the stress in the saddle foundation is similar to but nonsynchronous with that in the anchorage. After tensioning, fix the clamp with anchor so as to transfer loads to the anchor, and then retighten it after checking the sliding movement.

鞍部基底应力变化过程类似于锚块，但不同步.张拉结束后，锚固夹片并将荷载传递至锚块上，检查滑动量后二次紧固。

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This paper explains the technical points of back-faced sliding movement in putting the shot in its six phases such as preliminary pose, sliding movement, final forcing posture, transition, skillful push and horizontal sustainment and then makes a detailed study and analysis of the techniques.

本文对背向滑步推铅球的预备姿势、滑步阶段、最后用力姿势、过渡阶段、出手阶段和维持平衡阶段等六个阶段的技术要点做了阐述，并对其作了详细的分析研究。

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Study on the wearing behavior of high Cr-cast iron roll caused by rolling and sliding movement indicates that it is a complete process of roll wearing primarily composed of contact fatigue and that mechanical properties of the roll material exert greater influence upon fatigue wearing resistance.

研究了高铬称铸铁轧辊材质的滚滑动磨损行为。实验结果表明高铬铸铁的滚滑动磨损过程是以接触疲劳为主的磨损过程，材料的机械性能对抗疲劳磨损性能有较大的影响。

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The research shows that the antitropic advection and sheared sliding movement happened from the later Yanshanian to Himalayan.

结果表明：研究区在燕山晚期&喜马拉雅期受到了左旋平移剪切走滑运动；

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Analysis and evaluation of pseudo-static aseismic stability and seism-induced sliding movement of earth-rock dams

土石坝拟静力抗震稳定性分析与坝坡地震滑移量估算

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Analyses of effects of vertical acceleration on aseismic stability and seismically-induced sliding movement of embankments

竖向地震加速度对堤坝抗震性能影响分析

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The paper discusses development and construction features construction of high-stringing sliding movement current collector for underground mines.

阐述地下矿山高架滑行输电装置的发展和结构特点。

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Sliding movement t-check analysis shows that 1980 is a jump point of air temperature discontinuity.

滑动t检验表明1980年是气温突变的转折点。

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On Technical Points and Analysis of Back-Faced Sliding Movement In Putting the Shot

背向滑步推铅球的技术要点及其分析

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The sliding movement and wear of hard-rock rotary bits

硬岩牙轮钻头的滑移和磨损

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The control strategy can guarantee the existence of the closed-loop system's sliding phase, furthermore, based on which, global stability of sliding motion on sliding surfaces is proved.

该控制策略保证闭环系统滑动阶段的存在性，并在此基础上证明滑动模态运动的稳定性。

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An appropriate control law was selected that forces the system states to reach the sliding manifold in finite time and has low chattering in the sliding motion.

选择适当的动态不连续控制律保证了系统状态在有限时间到达滑模面，并有效的削弱了抖振。

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A concept of adaptive switching manifold for one class of SISO linear systems with non-canonical form is presented in this paper. Meanwhile, the existing and stability conditions for sliding mode, and the invariability of sliding mode motion equation under the adaptive swiching manifold are proved.

本文针对一类非规范型的SISO线性系统，提出了一种新的自适应切换流形概念并对此时滑模的存在、稳定可达条件以及滑模运动方程的不变性进行了证明。

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Furthermore, the optimal control theory is adopted to construct nonlinear sliding manifold. The dynamics of sliding motion could minimize the given quadratic performance index and is robust to uncertainties with known upper bounds. 5.

进而运用非线性系统的最优控制原理设计滑模面，使得滑动模态满足给出的最优二次型性能指标的要求，同时滑动模态对于已知上界的不确定性具有完全地鲁棒性。

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The optimal control technique is employed to construct sliding manifold, so the sliding motion is optimized. The stability of the optimal sliding motion is analyzed.

将时滞系统的最优控制原理用于滑模面的构造，优化了滑动运动，并分析了最优滑动模态的稳定性。

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Once the dynamics of the closed-loop system come into the sliding mode, the motion should continue on the sliding surface, and the global stability of the closed-loop system is guaranteed.

因而一旦系统运动轨迹到达滑动模态，系统将会沿着滑模面作期望特性运动，从而确保了系统的全局稳定性。

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It is proposed that the superplastic deformation in the present TiAl based alloy is controlled by grain boundary sliding accommodated by dislocation motion and dynamic recrystallization.

分析认为，位错运动是TiAl基合金超塑性变形过程的主要协调机理。

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Sliding friction in rolling motion

滚动运动中的滑动摩擦

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