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On the basis of dual porosity theory,the well test interpretation model which considers the variation of krg versus the volume of liquid is also established and resolved by the implicit method numerically.

摘要通过分析凝析气藏的相图,建立了凝析液饱和度随压力降的变化规律,并回归得出了相应的公式;同时通过对气体压缩因子、黏度随压力、温度的变化,建立了这些参数和无因次压力的关系;在双重介质地层假设的基础上,建立了在试井过程中凝析气相对渗透率随凝析液饱和度变化的凝析气藏试井解释数学模型,采用隐式迭代的方法进行了求解并进行了参数敏感性分析;结果表明:凝析液的饱和度对凝析气藏试井的压力及压力导数曲线有着很大的影响,早期由于凝析液的析出,阻碍了气藏的流动,导致压力及压力导数曲线上升;在凝析液饱和度达到峰值之后,随着凝析液的挥发,凝析气的相对渗透率逐渐恢复,压力及压力导数曲线又回归到正常的径向流位置;由于裂缝和基岩之间的压力差,使得裂缝弹性储容比在测试过程中发生变化,进而影响了压力及压力导数;窜流系数和裂缝弹性储容比的变化决定了窜流段发生的早晚和程度;而基岩中气体黏度的变化使得窜流的发生稍微滞后。

It was also found that the protecting effect of erodents on the coating surface does exist. The protecting effect will be more evident if using erosion efficiency of unit mass erodent of sand in the slurry to describe the erosivity of erodent. Besides a model is proposed to explain the protection process. The wear mechanism of the coating is the co-operation of ploughing, cracking and ablation.

对涂层的SEM分析可知,除冲蚀粒子在涂层表面的犁沟作用,冲蚀磨损的结果造成涂层的表面生成了系列针孔,其中的一部分为溶剂挥发所至,另外还存在由增强颗粒的剥落和裂纹的扩展造成的涂层剥落产生的孔洞,这将可能为水的吸收和扩散造成有利条件,使复合涂层亚表层产生内应力。

Furthermore, the one-dimensional complexes 26 and 28 with strongπ-πpacking interactions are prepared from DMF solvent, which indicates that the traditional solvent volatilizing method could bring low-dimensional complex.4. By measuring the enthalpy changes of the liquid phase formation reaction for complexes a~e, and calculating the electronic densities of five 5-substituted derivation of isophthalic acid, we can make a conclusion that 5-substituted group changing of the ligand has a little influence on oxygen atoms of carboxyl groups.5. Fluorescence experiments of these complexes indicated that they could be used for luminescence materials in future.6. Using packing saturation rule we calculated and analyzed these series of complexes, and the results showed that the changes of complexes with changes of ligands could be explained from the rule.

在DMF溶剂中得到了具有强π-π堆积作用力的一维配位聚合物[Ln(5-NO_2-bdc)(NO_3)]Ln=Pr(26和Ho(28),表明传统的溶剂挥发合成条件可以得到低维的配合物。4、通过配合物a~e的液相生成反应焓的测定,以及配体阳离子的电子密度计算,进一步佐证了间苯二甲酸的5位取代基变化对配体的羧基氧原子配位能力影响不大的结论。5、荧光特性表明此类配合物可以用于发光材料。6、利用堆积饱和规律对所得系列的配合物的进行计算和分析,发现随着配体的变化,配合物的变化可以从堆积饱和规律出发进行解释。

Of Fe , Cu in the metal phase and Mg, Si in the silicate phases to understand the processes of mixing of metal and silicate phases and further decipher the mechanism of formation of mesosiderite;(2) to study in detail the geochemical characteristics of each phase in the meteorite, to provide necessaryevidence for the model of formation of mesosiderite;(3) to study and update in detail the composition of each phase in the meteorite, and provide a new and complete set of data for understanding the mechanism of formation of mesosiderite.

Cu和硅酸盐相中的Mg, Si等中等挥发性元素的稳定同位素进行分析,判断中铁陨石的金属相和硅酸盐相混合过程的环境特征,进而阐明中铁陨石的形成机制;(2)对这块陨石的各相进行详尽的地球化学分析,通过这些相的地球化学关系判断中铁陨石的形成机制,对中铁陨石的形成模型提供必要的制约和证据;(3)全面更新对中铁陨石各矿物相化学成份的认识,为中铁陨石的成因之谜的全面揭开提供最新最完整的数据。

The feature of the shaft furnace-iron bath smelter charging carbon-bearing pellets is that partial off-gas of shaft furnace is mixed with gas from smelter and then put into shaft for preheating and pre-reduction. The optimum operational parameter is at the point of prereduction degree of 52% and post-combustion degree of 32% where the coal consumption is 750kg/tone-hot metal and oxygen consumption is 420Nm〓/tone-hot metal.(5) The systematic simulation of rotary hearth furnace-iron bath smeter is firstly formulated.

4本文建立的含碳球团竖炉—铁浴工艺流程模型的特点之一是竖炉炉顶出口煤气的一部分与铁浴煤气混合后,重新进入竖炉,本文报道的对系统部分出口物流返回反应器的非序贯式流程进行的系统模拟,为今后类似问题的模拟提供了参考,本工艺的最低消耗点的操作条件是:预还原度52%,二次燃烧率32%,这时的最低煤耗为750kg/tFe(中挥发份煤VM=19%),氧耗约420Nm〓/tFe,对应于预还原度30~70%的优化组合的二次燃烧率为32~13%。

I praise the work of ordinary nurses, but a great, trivial and not readily available, but the laboring hard; I praise nurses can use soft on the shoulder to provoke a daughter, mother, wife's burden; I praise nurses, such as patients with prolonged drought in spring moisture and rain The Xintian; such as the summer breeze blown dry and hot air away the pain in patients with heart; like autumn moon illuminated the hearts of patients with access to health, on the other side; such as the winter sun warm the evaporation of their distress in patients with.

我赞美护士工作普通而又宏大,烦琐而又不易,艰苦而又劳碌;我赞美护士能用纤弱的肩膀挑起一份女儿、母亲、细君的重任;我赞美护士如春天的雨露润泽患者亢旱的内心;如夏季的轻风吹走酷热的氛围带走患者心灵的创痛;如秋夜的明月照亮患者通往健康的心灵彼岸;如冬天的阳光和暖着患者挥发她们的忧愁。

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