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平衡原理

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At present all the products made in our country based on mechanics balanced principle and analogue electronic technology.

目前,我国自行生产的都是采用力平衡原理的机械式和模拟电子技术的产品。

The author creates the AutomaticallyDiscriminational Model for the Classification of Sandstones System, thatis to say, people can complete the vastly sample s classification of sandstonesaccurately and swiftly, meantime, diminish the possibility of mortal mistake. Based on the study of the basic sandstone component before embedding, the typeof authigenic mineral, and the forming mechanism of porosity in Upper Paleozoicreservoirs in Ordos basin, the author selects the reasonable experiment objects forWater-Rock Interaction modeling study, designs the relatively reactant and resultantduring the diagenesis period, builds the solid-liquid thermodynamics model with theprinciple of thermodynamic phase equilibrium for kinds of primary minerals (potashfeldspar, albite, anorthite, and pyroxene, hornblende) which dissolve in acidic media,and forms the corresponding thermodynamics test database.

在对鄂尔多斯盆地上古生界储层砂岩埋藏前组成、自生矿物类型和孔隙构成研究的基础之上,确定合理的沉积盆地水—岩相互作用模拟研究的实验对象,设计了埋藏成岩过程有关反应的反应物和可能的生成物,并通过热力学相平衡原理,建立了碎屑岩在埋藏成岩过程中各种骨架颗粒(钾长石、钠长石、钙长石以及铁镁暗色矿物中的辉石、角闪石等)在酸性介质条件下发生溶解的固体—流体相化学反应热力学计算模型,并获得了相应的热力学数据库,在此基础上对储层砂岩中主要造岩矿物(钾长石、钠长石、钙长石以及铁镁暗色矿物中的辉石、角闪石等)在埋藏成岩过程的酸性介质条件下发生溶解的热力学习性进行了论述。

Comparing it with the standard electrode potential of nitric acid,the reason of dissolution of HgS in aqua regia was quantitatively revealed,and this is that the high concentration of chloride ions reduces the reduction potential of sulfur in HgS,thus raising the reducing power of HgS rather than that the oxidizing power.

根据热力学平衡原理和设计的可逆电池反应,由 E~0Hg~(2++S/HgS数据,计算了 E~0HgCl_4~(2++S/HgS+4Cl~-数值,将其与 HNO_3的标准电极电位比较,定量地揭示了 HgS 溶于王水的原因在于该溶液中高浓度 Cl~-离子降低了 HgS 中硫的还原电位,从而提高了 HgS 的还原性所致,并非王水的氧化性比 HNO_3的更强。

In view of practical problem during Sulige gas field development, this paper complete follow study content. Study material balance theory of two district compound gas reservoir. Carry out stress sensitivity experiment on matrix rock and labor created fracture core from Sulige gas field with America Core Company high pressure high temperature flow experimental instrument to study stress sensitivity change rule of different permeability matrix rock and created fracture core at the condition of time and again switch on and off well and different drawdown pressure. Carry out depletion experiment on matrix rock of different permeability serial combination with different kinds of allocation, using double core clamper serial connected experimental apparatus, to study gas well production performance of bi-zonal compound low permeability reservoir during low pressure production stage. At the basis of experimental study, establish single well simulation model to analyze development index infection caused by stress sensibility and production performance infection rule caused by inner formation and outer formation of bi-zonal compound gas reservoir permeability variation while considering stress sensitivity.

针对苏里格低渗气田开发中存在的实际问题,完成以下研究内容;研究了两区复合气藏物质平衡原理;利用美国岩芯公司高温高压流动实验仪,对取自苏里格气田基质岩芯和人工造缝岩芯进行应力敏感实验,研究不同渗透率基质岩芯和造缝岩芯在多次开关井和不同生产压差条件下的应力敏感变化规律;采用双岩芯夹持器串联实验装置,对不同渗透率串联组合的基质岩芯进行各种配产条件下的衰竭实验,研究两区复合的低渗储层气井在低压生产阶段的生产动态特征;在实验研究的基础上,建立单井模拟模型分析储层应力敏感性和非均质性对开发指标的影响,研究考虑应力敏感时两区复合气藏储层中内区和外区渗透率变化对开发动态的影响规律。

The possibility to transform it into a closed set of coupled differential equations of motion is made to facilitate the numerical efficiency.

我们还对长期争论的问题,例如细致平衡原理和热库重整能量以及所对应的耗散动力学近似本质,进行了定性和定量分析,从而得到了明确的结论。

Derive the equations of continuity by using the method of infinitesimal based on the mass balance equations and the differential equations of gas and oil phase fluid flow.

再根据物质平衡原理,利用微元法分析凝析油气渗流规律,建立连续性方程,从而导出凝析油气渗流微分方程。

Methods According to chemical equilibrum principle and the use of derivative in judging the increasing and decreasing of function. this influence has been discussed.

依据化学平衡原理和导数在判定函数增减性方面的应用,分析了反应物初始浓度变化对转化率的影响。

Based on the principle of local thermal dynamic equilibrium, a general mathematical model and its solving process were presented.

根据局部热力学平衡原理,建立了地化反应的通用数学模型和求解方法。

Dynamic mass equilibrium is set up in the thesis, and leaks detection based on it can be carried out.

为了及时发现管道在输送过程中的泄漏,本文基于质量平衡原理设计了管道实时泄漏检测系统。

Based on the Jiles-Atherton model, the dynamic hysteresis loss model of the transformer core considering the classic eddy current loss and abnormal loss is developed, which is suitable for all the reasonable coefficient of reversible magnetization and adopting the flux density as entry variable.

该文在Jiles-Atherton基本磁滞模型的基础上,从能量平衡原理出发,考虑铁心在交流状态下的涡流损耗和异常损耗,建立了合理可逆磁化系数条件下,以磁通密度作为输入量的铁心动态磁滞损耗模型。

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