饱和压力

Based on definitions of stress and strain, and the D'Alembert's principle, stress and strain of soils at various depths were derived from the data of acceleration, displacement, as well as excess pore pressure measured in the test. The stress paths and stress-strain relationships of saturated sand during the shaking event, and their connection with development of excess pore pressure were revealed.

根据应力和应变的定义以及达朗贝尔原理，由试验观测的土体加速度、位移和孔隙水压力数据直接推导得到不同深度处砂土的应力和应变，揭示了振动过程中饱和砂土的应力路径和应力-应变关系演化过程，以及与超静孔隙水压力发展的联系。

Under the direct foundering condition, the total deformation of compacted loess of same dry density is related with original water content and pressure, and is no long the single function of pressure.

饱和压实黄土的总变形是压力的单值函数，其总变形系数与压力的函数关系，结合改进的分层总合法可用于路基最大沉降量的计算。

Based on the zircon saturation temperature and hornblende geobarometer estimation, the crystallization temperature and pressure of enclaves and hosting granite are very close, in the range of 793~824℃ and 3.5~5.1Kb, respectively.

用锆石饱和温度和角闪石成分估算了包体和寄主花岗岩结晶的温度和压力表明，它们的结晶温度和压力条件相近，分别在793~824℃和(3.5~5.1)/10^8Pa范围内。

Uniform fast calculation model for R22 thermodynamic and transport properties on Saturation curve, covering temperature from the three-phase point (115.8K) to the critical point (369.3K), is rendered.

bstract 在马丁侯系列方程的基础上提出R22在饱和线上热物理性质统一的显式计算模型，并且达到已知饱和线上13个热物理参数（温度，压力，比体积，密度，焓，熵，定压比热容，定容比热容，动力粘度，运动粘度，热导，音速，表面张力）的任意一个，即可求得其它所有参数。

Moreover, the hot compressive deformation behavior of the RS/PM AZ91 magnesium alloy and AZ91 alloy matrix composite were also investigated, the conclusions are drawn as follows:1. The processing parameters of the atomization-twin rolls quenching technology were optimized as follows: the diameter of the nozzle 1mm, the wheel velocity 25m/s, the pressure of atomization gas 0.3MPa and Ar gas for melt injection 0.1MPa. The RS AZ91 alloy flakes exhibited fine and uniform microstructures. When the flakes were extruded at 673K, extruded velocity of 0.1mm/min and extrusion ratio of 25:1,the magnesium alloy rods with clean surface, uniform dimension and excellent mechanical properties were obtained.2. The RS AZ91 magnesium alloy powders prepared by atomization-twin rolls quenched technology exhibited fine equiaxed grains with the grain size of 1-3μm, the phase constituent included supersaturate solid solution phaseα-Mg and miner fineβ-Mg_(17)Al_(12) phase. The as-extruded materials also exhibited equiaxed grains with the size of 5-7μm and a large number of fineβ-Al_(12)Mg_(17) and fewer AlMg_2Zn phases were detected in the alloy.

本文还研究了快速凝固/粉末冶金AZ91镁合金热压缩变形流变应力行为，快速凝固/粉末冶金法原位生成Mg_2Si增强AZ91镁基复合材料，经过系统的研究，获得如下结论：1、雾化-双辊急冷法在下列工艺参数组合下：双辊线速度25m/s；喷嘴直径1mm；熔体压射压力0.1MPa；雾化气体压力0.3MPa。，可获得宏观尺寸细小、微观组织均匀细小、综合性能优良的的快速凝固AZ91镁合金细碎箔带，快速凝固箔带在挤压温度为673K、挤压速度为0.1mm/min，挤压比为25：1时，可获得的外表光洁、尺寸均匀、组织性能优异的镁合金棒材。2、雾化-双辊急冷法制备的AZ91镁合金粉末态为细小等轴晶组织，晶粒尺寸1-3μm，组织为α-Mg过饱和固溶体和微量的细小β-Mg_(17)Al_(12)相组成；粉末挤压棒材为等轴晶组织，晶粒尺寸5-7μm，组织中含有大量细小的β-Al_(12)Mg_(17)以及AlMg_2Zn析出相，室温力学性能，抗拉强度383MPa，屈服强度275MPa，断后伸长率7.5%。

Physiological indexes of drought-resistance, namely the four water parameters of osmotic potential at the turgor loss pointπ(subscript p, water potential at the water saturation point (π0), bulk modulus of elasticity, and the rate of bound water in cells V(subscript p/V0, for the three fire resistant trees, Schima superba, Cyclobalanopsis glauca, and Elaeocarpus glabripetalus, were studied using the pressure-volume technique.

应用压力－容积分析技术测定了木荷Schima superba，秃瓣杜英Elaeocarpus galbripetalus和青冈Cyclobalanopsis glauca等3个防火树种春季、夏季和秋季的水分特征参数，即初始质壁分离点渗透势π，饱和含水量时的最大渗透势π0，细胞弹性模数ξ，细胞质壁分离时的共质体水体积量与饱和时共质体水体积量之比V/V0。

Experiments were conducted to determine the intersolubility of Dimethyl Ether and diesel fuel in a thermo-physical property measuring system with high accuracy,which consists of temperature measurement system(measurement range-80~300 ℃with uncertainty less than ±0.002 ℃) and pressure measurement system(measurement range 0~2 MPa with uncertainty less than ±0.7 kPa).

利用高精度热物性测量系统对二甲醚与柴油的互溶性进行了实验研究。实验系统中温度覆盖范围为-80~300℃，测量不确定度小于±0.002℃；压力测量范围为0~2 MPa，测量不确定度小于±0.7 kPa。测量了10%、20%、30%的二甲醚/柴油混合燃料的饱和蒸气压力和临界互溶温度。研究表明：二甲醚与柴油互溶性良好。

Especially, it is found that there exists three types of relative permeability of water such as concave, convex to the water saturation ax and the reversed "S" pattern. The super-low permeability reservoir is sensitive to pressure, apparent with millipore undersaturation and water blocks. In this study, a new concept of irriducible undersaturation is brought up. And a new mode to describle the process of imbibition dynamics is used to reveal and confirm the mechanism of pinhole enveloping macropore as following: pendular ring of wetting phase gathers→it fills throat→it truncates nonwejting phase . The expression of pressure distribution and the equation of oil production are deduced under conditions of non-darcy linear seepage and non-linear seepage.

尤其发现水相相对渗透率曲线存在凹向、凸向含水饱和度轴及反S形三种形式；特低渗透储层的压力敏感性强，微孔隙的欠饱和及水锁效应显著，本文研究中提出欠束缚水饱和度的概念，引用一种描述渗吸动态即湿相液环聚集→充填喉道→截断非湿相的演化过程的新方法，更深刻地揭示和证明了&小孔包围大孔&机理；推导出了非达西线性渗流和非线性渗流条件下的压力分布表达式和油井产量方程。

In order to meet the demand of energy saving 65 percents,the mortised wall must be made of two layer 90mm lytag concrete with 80mm polystyrene foam in between.

满足节能65%要求的双层90mm粉煤灰陶粒混凝土模卡墙板加80mm厚聚苯板构成的模卡墙体实际水蒸气分压力远小于饱和水蒸气压力，且在墙体中的分布线不相交，故模卡式陶粒混凝土墙体墙板内部不会出现冷凝结潮，具有良好的抗冷凝结潮性能。

When the condensate water temperature gradually increased, the membrane began to evaporate liquid-filled box, the membrane box pressure rise, driven diaphragm valve heart Needle Valves to move off in the condensate to saturation temperature before the trap is completely closed, the membrane box with the steam temperature change control valve switch, play a role in blocking the drainage steam.

当冷凝水温度渐渐升高，膜盒内充液开始蒸发，膜盒内压力上升，膜片带动阀心向关闭方向移动，在冷凝水达到饱和温度之前，疏水阀完全关闭，膜盒随蒸汽温度变化控制阀门开关，起到阻汽排水作用。有开阀温度低于饱和温度15℃和30℃两种膜盒供选择。& bellows steam trap &是由中国疏水阀网提供的国际阀门新闻，译文仅供参考。

This paper discusses design and realizable methods of remote test output interface from logical design angle.

本文从逻辑设计的角度讨论遥测输出接口的设计及实现方法。

This also 星体投射plies to buildings, structures and geological features.

这也适用于建筑物和地质特征。