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The XRD and scanning electron microscopic results show that when the volume ratio between H_2SO_4 and H_3PO_4 is 2:1,the oxidation and intercalation effectiveness will be best,and the expanding volume gets to 102 mL·g~(-1).The energy dispersive X-ray spectrum analyses and the Fourier transform infrared spectra indicate there could be H_3PO_4,H_2SO_4,dihydric phosphate and sulphate containing Mn in the layers of EG.

XRD与扫描电子显微镜结果表明，当硫酸与磷酸体积比为2：1时，氧化-插层效果最佳，膨胀体积达到102 mL·g~(-1)。X射线能谱分析与傅立叶变换红外光谱分析显示，EG片层中可能插入了磷酸、硫酸以及Mn的磷酸二氢盐与硫酸盐等物质。

Based on analyzing the dilatometric curves, metallographic structures of test samples of these simulation procedures, four factors which have influences on the tendency of the appearance of the cold cracks in HAZ have been studied, these factors are preheating, slow cooling, expanding the cooling time (t8/5 and t8/3), and heat preservation.

通过对这些模拟过程的热膨胀曲线、试样金相组织等的分析，研究了焊前预热、焊后缓冷、延长冷却时间t8/5与t8/3、焊后保温这四种因素对焊接热影响区冷裂纹产生倾向的影响。

By the method of dilatometric change,combining with microscopic test and hardness measurement,different expanding curves of continuous cooling transformation were measured at different cooling rate,and CCT diagram was obtained by using DIL805A thermal expansion fast phase transition instrument.

利用膨胀法，结合金相法和硬度法，在DIL805A热膨胀快速相变仪上测定了该钢在不同冷速下连续冷却时的热膨胀曲线，获得了该钢的连续冷却转变曲线；研究了该钢连续冷却过程中奥氏体转变过程与组织变化。

By dilatometric change referencing microscopic test and hardness measurement, the critical point at Ac1, Ac3 and Ms of 27CrMo27S steel was determined in Gleeble-3800 thermal mechanical simulator, By measuring the different expanding curves of CCT in different cooling rate, CCT diagram was obtained.

利用膨胀法结合金相-硬度法，在Gleeble-3800热模拟机上测定了27CrMo27S钢的临界点Ac1、Ac3以及Ms；测定了该钢在不同冷却速度下连续冷却时的膨胀曲线，获得了连续冷却转变曲线；研究了冷却速度对该钢组织及硬度的影响。

By dilatometric change and microscopic test, the critical point at Ac1、Ar1、Ac3 and Ar3 of ML40Cr steel was detemined in Gleeble-3800 the thermal-mechanical simulator. The continuous cooling transformation diagram of ML40Cr steel was obtained by measuring the expanding curves of different cooling rates. The mechanical property and transformation of austenite were analyzed. The proper range of control cooling rate about ML40Cr cold heading steel was found. All those provide the reference for productive practice to develop cold heading steel.

在Gleeble-380热模拟试验机上采用热膨胀法－金相法测定了ML40Cr钢的临界点Ac1、Ar1、Ac3、Ar3，同时测定了在不同冷却速度下过冷奥氏体连续冷却时的膨胀曲线，获得了该钢的连续冷却转变曲线；研究了ML40Cr连续转变冷却过程中奥氏体转变过程和转变产物的组织和性能，初步确定了ML40Cr盘条的控制冷却范围，为冷镦钢ML40Cr盘条的开发提供了参考依据。

An analytical model was presented to study the cloud expansion during near field regime, and the liquid fuel expanding velocity-radius relation and the liquid breakup model were given. A 2-dimensional axisymmetrical diphasic flow numerical simulation for cloud expansion during far-field regime was carried out, and the distribution parameters of fuel in cloud were given.

对近场阶段云雾的膨胀采用分析模型来研究，给出了这一阶段液体燃料膨胀的速度—半径关系及液体环的破碎规律；对远场阶段云雾的膨胀采用二维轴对称两相流的数值模拟来研究，得出了云雾中燃料的分布状态随时间的变化规律。

Since China and America have established diplomatical relations,the comunication between two nations are keeping expanding.

中美两国建交以来，人民之间的交往不断扩大。

Chapter 4 includes an overall analysis of the scale and regional distribution of the backflow and it is found that although the scale has been expanding, yet it is distributed disproportionably among different regions, specifically the East China occupying a comparatively larger percentage while the middle and west areas only a small proportion, and the unbalanced distribution has not changed much even after the reform in the tuition system and the implementation of Enrollment Expansion Policy.

分析结果表明，我国高等教育人才对农村的回流规模是不断扩大的，但是高等教育人才回流在地区之间的分布是不均衡的。东部地区占有了相对较多的回流人才，中西部地区较少。高等教育收费改革和扩招以后，人才对农村的回流率不断提高，回流规模继续扩大，但回流人才在地区之间的分布特征基本没有改变。

In terms of methodology I emphasize dissective analysis, cutting open language structure slice by slice, releasing and expanding through my own experience.

方法论上我强调解剖分析法，语言结构一刀一刀切开，通过自身体验释放，放大。

Baishishan the top of the dolomite cap rock was formed 10 billion years ago the marine environment; crustal movement to make this piece of dolomitic marble produced more than two sets of vertical joints, in the long years of millions of years later, the weathering so that the vertical cracks expanding into a arrhizus rock column of Qifeng Li; Moreover, these columns, such as Lin Qifeng Li has just standing on a solid granite base, making them also another insurance Fenglin odd geological movement continues to be able to has been retained.

白石山上部的白云岩盖层形成于10亿年前的海洋环境；地壳运动使这块白云质大理岩产生了两组以上的垂直节理，在后来亿万年漫长的岁月里，风化作用使垂直裂隙不断扩大，岩层变成了根根柱立的奇峰；而且，这些柱立如林的奇峰又正好伫立在稳固的花岗岩基座上，使得这些又奇又险的峰林在不断的地质运动中能够被保留下来。

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％。