结论在同等主观用力的前提下,冠心病患者等长收缩运动时心肌缺血发生率低于动力性运动。
Conclusion Incidence of myocardial ischemia was lower during isometric exercise than dynamic exercise at similar perceived exertion in patients with CAD.
对于各年龄段的人,预防骨质疏松最理想的运动形式是:多肌肉群参与的动力性运动,运动强度超过70%的有氧运动。
The optimal pattern for preventing osteoporosis is dynamic exercise joined by multiple muscles, aerobic exercise with over 70% exercise intensity.
观察了单腿破断时张力腿平台的平面运动、稳性、张力的重新分配和动力系数。
The TLP plane motion, stability, redistribution of tether force and dynamical factor has been viewed, during the rupture of one leg.
文章提出采用机械多体系统运动功能可靠性的概念对动力学响应进行可靠性评价。
This paper put forwards a concept called motion functional reliability to appraise the system response caused by the uncertain parameters.
建立了非对称弹丸在挠性渐速膛线身管内的弹丸一般运动动力学模型和运动微分方程组。
A general dynamic model and differential equations for an unsymmetrical projectile traveling in a flexible, increasing twist rifled bore gun tube are developed.
为了提高操控性,揽胜运动版采用了动力反应系统。
To further improve handling, the Range Rover Sport can be specified with the Dynamic Response system.
基于改善动力学性能、提高输出运动的平稳性,实现了六杆双输出函数脉冲发生机构按传动比要求的等价四杆机构的综合原理与方法。
To control and improve the properties of mechanism dynamics, a synthetical parameter model of high-grade motion was created for three-grade functional generator mechanism with double output.
本文对冷床传动系统进行了动力学分析,并提出了适时性控制方案,为解决冷床的启停运动方式提供了依。
The dynamics analysis is done and the timely controlling plan is puted forward for cooling bad transmission system in this paper.
本文针对卡瓣膛外运动非对称性建立了统一的动力学模型,并分析了卡瓣与弹芯和卡瓣之间的碰撞问题。
The unified dynamics model was established and collision problem between the sabot and the long rod and the sabots was analyzed.
为了掌握泥石流运动变化规律,正确设置公路泥石流防治结构,提高防治结构防治公路泥石流病害的可靠性,作者开展了泥石流动力学研究。
To understand the law of debris flow movement, choose the right control structure, and improve the reliability of debris flow control works, the authors researched the dynamics of debris flow.
本文的工作,对于水下机器人搭载的研究及其在海底、码头附近运动时的水动力预报有很大的实用性。
The work of this thesis has practical use for the retrieval of underwater vehicle and the prediction of hydrodynamic when it is near seabed or wharf.
在浮力、水动力和毛细管力的共同作用下,油(气)呈间歇性运动,这在物理模拟实验中已得到证实。
Under the joint action of buoyancy, hydrodynamic force and capillary power, oil (gas) moves intermittently. This has been verified in the physical simulation experiment.
伸展运动包括静力性和动力性伸展运动。
Stretching consists of static stretching and dynamic stretching.
在经典电动力学的基础上,讨论了辐射阻尼影响下非相对论性带电粒子在均匀磁场中的经典运动。
On the basis of classical electrodynamics, the classical motion of non-relativistic charged particle affected by radiantly damping force in equally magnetic field was discussed in the peper.
随着过山车速度及运动复杂性不断提高,其研制过程的动力学分析、安全评价愈显重要,传统方法已很难满足要求。
The dynamic analysis and safety evaluation is important during the period of developing a roller coaster for its high speed and complex motion.
首先归纳了机构运动精度可靠性分析和机构动力精度可靠性分析方法。
At first, the reliability analysis methods of kinematical accuracy and dynamical accuracy of mechanism are summed up.
连续性方程和运动微分方程构成了交通流的动力学模型。
Continuum equation and momentum differential equation compose the traffic dynamics model.
相似性主要包括几何相似、运动相似、动力相似。
The similarity includes geometric similarity, kinematic similarity and dynamic similarity.
气旋性涡柱和上升运动及深厚湿舌的耦合是暴雪形成的一种重要动力机制。
The coupling of cyclonic vorticity column and ascending motion as well as deep moist tongue is one of the important dynamical mechanisms for the formation of the snowstorm.
目的探索腕月骨周围进行性不稳定的运动力学变化。
Objective To study the changes in dynamics of wrist motor tendons after perilunate instability of the wrist.
通过计算静止时钟和运动时钟的时率,探讨了把时间膨胀解释为一种动力因果效应的可能性。
The possibility of explaining time dilation as a dynamic cause-and-effect phenomenon is explored by calculating the rates of clocks in a stationary and in a moving reference frame.
建立了机器人的运动学模型和动力学模型,并利用能控性理论对机器人的姿态能控性进行了分析,为后续的机器人的控制提供了理论基础。
The dissertation constructed the robotic dynamics and motivation, used the controllable theory to analyze the robotic position control, which is the basis for later control theory.
本文针对关节式移动机器人在斜面上运动时稳定性和安全性的要求对其进行动力学分析,利用传感器融合技术对机器人进行局部定位,提出了它的基于模糊逻辑的控制策略。
Fuzzy logic based motion control approach was proposed, using sensor fusion for robot local location, aimed at the requirement of stability and safety for articulated mobile robot moving on slope.
因此,同时考虑机器人运动学和动力学模型,提出基于神经网络的轨迹跟踪算法,仿真结果表明算法具有较强的鲁棒性。
So, we design a trajectory tracking algorithm based on NNs, considering both kinematic and dynamical model, and the simulation results demonstrate that this algorithm has good robustness.
研究结果表明了力学理论中的动力学和运动学之间的统一性。
The consistence of the dynamics and kinematics is shown by the research results.
基于鱼类肌肉水动力学的研究,利用鱼类尾鳍与微机器人摆翼运动相似性,对仿生鱼型微机器人摆翼所产生的推进力进行了分析。
Based on motion similarity of microrobot drive fin and fish caudal fin, this paper discusses fish muscle hydrodynamics, and analyzes propulsion force produced by biomimetic fish-like drive fin.
基于鱼类肌肉水动力学的研究,利用鱼类尾鳍与微机器人摆翼运动相似性,对仿生鱼型微机器人摆翼所产生的推进力进行了分析。
Based on motion similarity of microrobot drive fin and fish caudal fin, this paper discusses fish muscle hydrodynamics, and analyzes propulsion force produced by biomimetic fish-like drive fin.
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