ring theory

Firstly, this paper analyzes the stress of the straight impaction of the valve plate against the lift limiter and the valve seat on the working process of the ring valve, with the theory of sheet and mechanics of materials on the simplified assumption.

首先根据简化假设，用材料力学和薄板理论分析了环状阀工作过程中阀片与升程限制器及阀座正碰撞产生的冲击应力。

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The use of fractal theory analysis of the roadway surrounding rock fissures inherent law of development, summed up loose ring thickness range for the roadway to provide reliable parameters for the stability and basis.

运用分形理论分析研究了巷道围岩裂隙发展的内在规律，总结出松动圈的厚度范围，为巷道支护稳定提供可靠的参数和依据。

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Based on the theory of stochastic service system, this paper discusses state transition of logic ring stochastic model with priority queues.

借助随机服务系统理论，探讨带有优先队列逻辑环随机模型的状态转移有关问题。

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In this paper, it is proved that if A is a indecomposable coherent semilocal ring, and every principal ideal has finite projective demension, then A is a GCD. by using homological method combined with method in ring theory.

本文采用同调代数与环论相结合方法证得定理：若A是一个不可分的凝聚半局部环，且每个主理想有有限投射维数，则A是最大公因子整环。

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The floating seal ring is a non-touch liquid clearance seal with lots of advantages: large differential pressure, small through-flow, automatically center adjusting and centering, non-friction in theory, providing auxiliary support for the rotor.

浮动密封环作为非接触式液体间隙密封，具有密封压差大、泄漏量较小、能自动调心和对中、理论上无磨损、对转子有辅助支撑作用等优点。

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Prove out that a pair of ring involute tooth forms are conjugated and that they can achieve precise spherical motion of constant transmitting ratio employing the space mesh theory.

利用空间啮合理论，证明了一对渐开线环形齿廓互为共轭齿廓，能实现精确的定传动比球面运动。

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The section shape of ring part during cold forming has been researched in theory and experiment.

本文介绍了一系列螺栓连接的冷成型钢结构的结构性能的试验和理论研究.

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The spectrum transmission function ( STF) of an optical fiber ring is obtained from the theory of partially coherent light.

应用部分相干光理论，推导出了光纤环光谱传递函数。

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Three ring gear reducer is a new type of transmission mechanism based on the theory of involute less differential planet gear.

三环减速器是以渐开线少齿差行星齿轮传动原理工作的一种新型传动装置。

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Based on the theory of plates, a solution is given to the ring plate of which the inner rim is rigidly coupled under transversely concentrated load, with a computer program provided.

根据板的理论，对内缘固接圆环板在横向载荷作用下进行了解算，并编制了计算机程序。

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