平衡压力

Seismic formation velocity is one of important parameters for formation pressure prediction,its precision affect the accuracy of the pressure prediction defectively.

在钻井工程方面，地层孔隙压力是合理设计套管程序的基础参数，是合理选择钻井液密度、实现高效近平衡或欠平衡压力钻井的关键和依据[1-6]。

In this paper, vapor-liquid equilibrium data for the two binary systems maleic anhydride + di-isobutyl hexahydrophthalate and maleic anhydride + di-n-butyl phthalate at different feed compositions at low pressures were measured with a small modified ebulliometer.

本文用改进型沸点仪测定了低压条件下，顺酐和六氢化邻苯二甲酸二异丁酯以及顺酐和邻苯二甲酸二丁酯两个二元系统在不同配料组成下的平衡温度、平衡压力数据。

The reason is that the adsorption of the low-boiling component will be so intensive that the surface layer of the ROS will consist almost entirely of molecules of isobutane.

那时间大于花费的时间显着建立平衡压力在实验性细胞[38]。以油的高浓度在ROS的血丝的平衡价值恒定为ROS能在4-5天之内达到(参见图3a)。

The equilibrium P-T conditions of the spinel lherzolite xenoliths in the study area are: T=913~1045℃, P=13~22kb corresponding to depths of 45~83 km. The P-T conditions suggest that the geothermal gradient of the upper mantle beneath the study area is approximately similar to oceanic geotherm which may be caused by asthenosphere upwelling.

本研究尖晶石二辉橄榄岩之平衡温度大致介於913℃1045℃之间，平衡压力则介於13kb~22kb，深度大约介於 45km~75km 之间，其温压范围大多接近於大洋地区之地温梯度，此相对较高之地温梯度可能与软流圈之上涌有关。

Following evidences indicate that lherzolite and garnet pyroxenite xenoliths in basalts are captures of mantle fragments when host magma ascending: crystallizing temperatures and pressures of cpx megacrysts and some phenocrysts in host magmas are greater than equilibrium temperatures and pressures of xenoliths; calculated REE partition pattern of assumed equilibrium melts is not comparable with that of studied host basalt rocks; olivine in xenoliths is not in equilibrium with basalt rocks.

寄主玄武岩的单斜辉石斑晶—熔体平衡温度高于石榴石二辉橄榄岩和石榴石辉石岩包体的平衡温度，单斜辉石巨晶和部分斑晶—熔体平衡压力大于包体平衡压力，寄主碱性玄武岩的稀土配分型式和所计算的与尖晶石二辉橄榄岩包体平衡的熔体的稀土配分型式不同，包体橄榄石与寄主岩浆之间的Fe-Mg交换系数低于0.30，均表明包体与寄主玄武岩浆之间不存在平衡关系，因此，包体是被寄主玄武岩浆捕虏的上地幔碎块。

Under different combustion pressuring rates of the solid motor, the relations among the convecting combustion flow characteristics, especial the pattern of flame spreading, and the variation of stress intensity factor at the crack tip are discussed in detail.

文中详细描述了在固体火箭发动机燃烧室环境中，药柱裂纹对流燃烧流场特性和固相裂纹体变形特性；燃烧室增压率对裂纹中火焰传播方式的影响；燃烧室增压率、燃烧室平衡压力的设计值、药柱裂纹径向长度对固相裂纹尖端应力强度因子、燃烧室压力的影响。

The vibration energy or the electronic and vibration entropy of the gaseous molecules are approximately used as the energy or entropy of the solid. In this approximation, thermodynamic functions 、、 and hydrogen isotopes equilibrium pressure of the hydrogenating reaction have been calculated .Then we can fit the relations between temperature and equilibrium pressure.

在ZrH2的E和S的过程中，以气态分子总能量中的振动能EV代替该分子处于固态时的振动能量E，以电子和振动熵SEV代替分子处于固态熵的近似方法，计算了不同温度下金属Zr与氢同位素反应的，和以及氢化反应平衡压力，并导出了氢化反应平衡压力与温度的关系。

For the sake of control equilibrium pressure in the buffer effectively it, finds the semi-empirical relationship to count equilibrium pressure by experiment.

为了有效控制缓冲器的平衡压力，通过实验测试，对测试结果拟合得出计算平衡压力的半经验公式。

Garnet pyroxenites define a section of paleogeotherm from 16 to 22 kb which resembles with those of southeastern Australia and Qilin, southern North China Craton The temperature distributions of the granulites and spinel lherzolites suggest the coincidence of the petrologic crustmantle boundary and the seismic Moho at the depth of 42 km.

石榴子石辉石岩的平衡压力介于16.0-22.0kb之间，通过石榴子石辉石岩捕掳体的平衡温度和压力定义了汉诺坝地区的古地温梯度线。

When the sum of the partial pressures ofhydrogen, nitrogen and carbon monooxide in equilibrium exceeds the sum of atmospheric pressureand the additional pressure caused by surface tension of the bubbles, bubbles will grow, subskinbubbles may appear, and in ext...

树枝状结晶形成的微区域中，残余液相的氢、氮和一氧化碳平衡压力之和大于大气压力和气泡表面张力产生的附加压力之和时，气泡就能发展长大，就可能出现皮下气泡，严重时将发生钢锭上涨。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。