查询词典 under pressure

To avoid this, high pressure foam generating procedure must be applied, which means high pressure purified water or deoxygenated water must be fed into the bottle with small flow under high pressure, thus raising CO2 in the beer to the bottle neck as foam to remove gas from the bottle neck and dropping oxygen content in the bottle neck.

可通过增加高压激泡工序，即将高压纯净水或脱氧水以微小的水流高压注入瓶中，使啤酒中的CO2以泡沫形式上升至瓶口，排走瓶颈的气体，达到减少瓶颈气体含氧量的目的。

Under the condition of mining pressure the flow pressure of gas in fissured coal fluctuates at the beginning of seepage, and the amplitude depends on the differential pressure between the two ends of flow field.

在采动压力条件下，瓦斯在裂隙煤体中的流动压力具有波动性，波动幅度的大小与流场两端的压力差有关。

Normally closed solenoid valve, coil power, the GATE VALVES armature under the action of electromagnetic force driving the first Vice-valve valve Seti, the main valve on the valve cup of fluid flow out through the Vice-valve, reducing the role of the main valve pressure on the valve cup, when the main valve valve to reduce pressure on the cup to a certain value, the armature driving the main valve valve cup, and use pressure Ershi main valve valve cup opening, medium flow.

常闭电磁阀，线圈通电后，衔铁在电磁力作用下先带动副阀阀塞提起，主阀阀杯上的流体经副阀流走，减少了作用在主阀阀杯上的压力，当主阀阀杯上的压力减少到一定值时，衔铁带动主阀阀杯，并利用压差而使主阀阀杯开启，介质流通。

The method of finite element discrete and optimal parameter back analysis is adopted.(3) Concentrated on the question of high external water pressure of the deep-lying tunnel, the basic theory and method calculating external water pressure are systematically studied.(4) Based on Jinping cascade 2 hydropower station, numerical simulation rain infiltration of seepage field under different drainage pattern and grouting pattern are studied, also, the high external water pressure is analyzed and studied and some seepage control measures are put forward.

2采用有限元离散—优化法进行参数的反演分析；(3)针对深埋隧洞的高外水压力问题，进一步分析和研究了衬砌水荷载及外水压力的作用机理和计算方法；(4)以锦屏二级水电站深埋长引水隧洞作为本文的主要研究对象，采用考虑降雨入渗渗流场分析的方法对排水方案和灌浆封堵方案不同情况下的渗流场的水头分布进行了数值模拟，并对其外水压力进行了分析和研究，提出了渗流控制的具体措施。

Article 21 The manufacturing process of boilers, pressure vessels, pressure pipeline components, cranes and large entertainment facilities, and the installment, reform and major maintenance process of boilers, pressure vessels, elevators, cranes, passenger cableways and large entertainment facilities must be subject to the supervision and inspection carried out, according to the requirements of the safety technical code, by the inspection and testing institutions approved by the department of safety supervision under the State Council; the equipment may not leave the factory or be delivered for use until they have passed the supervision and inspection.

第二十一条锅炉、压力容器、压力管道元件、起重机械、大型游乐设施的制造过程和锅炉、压力容器、电梯、起重机械、客运索道、大型游乐设施的安装、改造、重大维修过程，必须经国务院特种设备安全监督管理部门核准的检验检测机构按照安全技术规范的要求进行监督检验；未经监督检验合格的不得出厂或者交付使用。

According to the underground pressure theory, which takes stratum movement as key matter, the reactivating mechanical mechanism of a fault in mining floor under the action of underground pressure, and the mechanism of the interaction between pressure water and rock during the fault reactivation are studied.

根据&以岩层运动为中心&的矿山压力控制理论，研究了采场断层在矿山压力作用下活化的力学机制，以及断层活化过程中承压水和岩石相互作用的机理。

According to the underground pressure theory which takes stratum movement as key matter, the reactivating mechanical mechanism of a fault in mining floor under the action of underground pressure, and the mechanism of the interaction between pressure water and rock during the fault reactivation are studied.

基于大量的煤矿井突水案例，总结了中国煤矿井突水的一般规律及肥城煤田矿井突水的特点。根据&以岩层运动为中心&的矿山压力控制理论，研究了采场断层在矿山压力作用下活化的力学机制，以及断层活化过程中承压水和岩石相互作用的机理。

This paper simulates how the additional flutter signal impacts on oil pressure and actuator output when the dead zone is kept. The proper principle of flutter signal for jam diagnosis is given. Based on the given flutter signal, different jams caused by jam of the EH servo valve under different operating condition are simulated and the output of the oil pressure and actuator are presented. Meanwhile, waving threshold of the oil pressure for jam diagnosis is given. The simulations and analysis prove that the jam fault identification of the EH servo valve based on flutter signal is feasible.

在应用附加振颤信号防止和识别卡涩故障的前提下，确定了振颤信号的选取原则，并采用仿真的方法深入探讨了3种变工况条件下不同卡涩程度对电液转换器油压和油动机输出的影响，提出了油压阈值的卡涩判断标准，论证了基于振颤信号幅值与频率响应监测电液转换器卡涩故障诊断方法的可行性。

During the fracturing for low pressure and low permeability gas reservoirs, there are some main problems in conventional hydroxypropylguar - organic boron cross-linking system: Firstly, the water-lock damage to low pressure and low permeability gas formations by filter liquor; Secondly, the reason for alkali-sensitive damage in alkali-sensitive reservoirs is that conventional hydroxypropylguar - organic boron cross-linking fracturing fluids were cross-linked under alkaline environment, while the permeability of reservoirs is reduced greatly; Thirdly, the formation pressure is low, and the energy of flow back is not enough, at present, the main measure in oil fields is "injecting with liquid nitrogen", but this technique increased the cost of fracturing, making great troubles in operating, and leaving the liquid nitrogen also is a big problem.

在低压低渗透气藏的压裂改造过程中，常规羟丙基胍胶-有机硼交联压裂液体系存在的主要问题，一是压裂液滤液对低压低渗透气层造成的水锁损害；二是常规羟丙基胍胶-有机硼压裂液是在碱性条件下交联的，对碱敏性储层造成碱敏损害，降低储层渗流能力；三是地层压力低，压裂液返排能量不足，当前各油田采取的措施主要是&液氮伴注&技术，但是&液氮伴注&技术增加了压裂的费用，而且液氮存放也存在较大问题。

High-pressure gas shell test should be carried out after hydraulic test case, and have appropriate security measures, the gas shell test pressure should be under 100 (30 ℃) the maximum allowable pressure of 110% or by order of the provisions of , does not allow a visible leak.

高压气体壳体试验应在液压壳体试验之后进行，并要有相应的安全防护措施，气体壳体试验压力应是100下(30℃)时最大许用压力的110％或按定单中的规定，不允许有可见的泄漏。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。