roof pressure

Study on the blind number recognition of the calculation of roof pressure;

顶板压力计算的盲数辨识研究

Effect of igneous rock on the roof pressure of mining field;

火成岩对采场顶板压力分布的影响

By a long-term effective observation and analysis of roof pressure at thick seam caving face such as observing by installing 11 YZJ-60-disc pressure instruments,preliminarily several very important regularity of the pressure curv at fully mechanized actual mining are got,which provides a useful guide for the actuat mining.

通过对厚煤层综采放顶煤工作面顶板压力进行长期有效的观测与分析,在工作面支架上安装11台YZJ-60型圆盘测压仪进行观测,初步得出了综采工作面回采几个重要的压力显现规律曲线,为工作面的回采提供了有益的指导。

An adaptive recognition approach for real-time prediction of rock behaviour was proposed by application of artificial neural network theory.

应用神经网络系统理论，提出了煤矿顶板压力显现实时预报的自适应模式识别方法，它通过对井下实测压力曲线的记忆，可以预报出该顶板未来的矿压显现规律，包括来压步距和来压强度。

A new adaptive pattern recognition method is presented for forecasting roof weighing of high-production and high-efficiency face.

介绍高产高效工作面基于智能技术的顶板来压预测预报方法——自适应模式识别方法,即灰色等维拓扑方法预测预报顶板来压。

overarching weight

生产工作区的顶板压力

The first caving roof sections in hard coal layers can effectively reduce the pressure during the course of caving and guarantee safe production and efficiency.

坚硬煤层顶板分段初次放顶,能够有效缓解放顶期间的顶板压力,保证安全生产,提高生产效率。

Research on the Change of Roof Pressure in Mining Coal Seam Athwart the Dipping Direction of Structural Plane by Centrifugal Model Test

逆结构面倾向开采顶板压力变化离心试验研究

Dynamic Features and Prediction Method of Large Roof Pressurized

大面积顶板来压动力表征及预测方法

Mechanics characteristics of coal and its roof and floor rock and the effects of hydraulic fracturing on coal reservoir

煤岩与顶底板岩石力学性质及对煤储层压裂的影响

pneumatic filling roof control

风力充填法控制顶板

Press the cowl top trim panel down until the snap clip retainers engage in the top of the instrument panel.

向下压仪表板顶部饰板，直至夹扣定位器啮合到仪表板顶部。

top-drive hydraulic power head

顶部驱动液压动力头

hydraulic roof bolting equipment

液压式顶板锚栓安装设备

Remove the push-in fastener from the top of the fan shrou

从风扇围板顶部拆下压入扣件。

Effects of Roof Control by Means of Hydraulic Supports Under Various Conditions

不同条件下液压支架控制顶板的效果

The fall of the roof pinned the man down to the floor.

倒塌的屋顶把那个男人压在了地板上。

The Primary Investigation on Variable Throat and Top Wall of Sidewall Compression Inlet;

喉道顶板可调侧压式进气道初步研究

The Sytdy to Stress Regularities of Distribution of RPC Prestressed T-girder Upper Plate;

RPC预应力T梁顶板应力分布规律研究

You're under major pressure to fill someone else's shoes, your boss is picking on you, and everyone in the office is driving you crazy.

你在强大的压力下顶替他人的位置，你的老板对你百般挑剔，办公室里的每一个人都让你发疯。

He is trying to shelter his boss from criticism.

他极力为老板顶住外界的批评.

Crack Treatment of Basement Roof in Stress Concentration Condition

应力集中作用下地下室顶板开裂处理

Steel plates for pressure vessels

GB6654-1996压力容器用钢板