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Fourth, the membrane recovering method was found within stationary tubular membrane elements and was compared with rotating flow by using experiment, that is, the unloading pressure recovering method is one of the most efficient method, it may reduce the auxiliary time, such as washing , backflush, reverse filtration, but the tubular membrane is washed or backflush or changed after the cycle period are accumulated numerous times.

第四、对旋转流静止管式膜的再生进行了实验比较，并提出了旋转流膜管可以通过卸压再生，以减少膜管每次使用后的冲洗、反吹等辅助时间，采用该种方法再生的膜管其渗透通量完全能满足要求，当循环使用一定次数后再进行或冲洗或反吹或更换新膜管。

A process for treating the sludge generated by alumina sewage treating system incldues such steps as pumping the alumina sewage in sand depositing pool then in depositing pool, mixing the bottom sludge, the sewage from sand-water separator, and the regenerated water from filter to obtain backflush water, heating in desilicating heater, washing the secondary red mud to recover Na2O and Al2O3, anjd returning the washing liquid containing Na2O and Al2O3 back to the flow of production of alumina.

本发明公开了一种氧化铝废水处理系统的污泥处置新工艺，它将氧化铝废水先进入沉砂池中进行沉砂处理后才进入沉淀池中，将虹吸泥机从沉淀池中吸出的底流污泥和砂水分离器分离出的污水以及将部分经过滤器过滤后所得的再生水作为反冲洗水一起通过污泥泵送到脱硅加热器中加热得污泥热水，然后将污泥热水用于二赤泥洗涤沉降，以回收赤泥附着的Na2O和Al2O3，将洗涤赤泥后含有Na2O和Al2O3的洗液送到氧化铝生产流程中重新使用。

In this fine season, arrive to°from Chiang-Nan water country a northland backland, from the Gan river strand to pull Sa Lin Ka, hot soils of republic each square kilometer soak through exultant and happiness, flow to drip sweet with sing.1,300,000,000 China childrens with heroic the singing arousing more put to fly aureate ideal and imagining of rose and put to fly hard go such as the conviction of huge rock and the poem lauding to the great motherland.

在这美好的季节，从江南水乡到北国边陲，从赣江只滨到拉萨林卡，共和国每一平方公里的热土都浸透着欢欣与幸福，流淌着甜蜜与歌唱。十三亿华夏儿女以豪迈激越的歌声放飞金色的理想与玫瑰色的憧憬，放飞坚如磐石的信念与对伟大祖国赞美的诗行。

In this fine season,arriv eto°from Chiang-Nan water country anorthland backland,from the Gan river strand to pull Sa Lin Ka,hot soils of republic each square kilometer soak through exultant and happiness,flow to drip sweet with sing.1,300,000,000 China childrens with heroic the singing arousing more put to fly aureate ideal and imagining of rose and put to fly hard go such as the conviction of huge rock and the poem lauding to the great motherland.

在这美好的季节，从江南水乡到北国边陲，从赣江只滨到拉萨林卡，共和国每一平方公里的热土都浸透着欢欣与幸福，流淌着甜蜜与歌唱。十三亿华夏儿女以豪迈激越的歌声放飞金色的理想与玫瑰色的憧憬，放飞坚如磐石的信念与对伟大祖国赞美的诗行。

In autumn, always bring people pleased celebrate, bring poetry, bring fancy, bring to imagine, bring a hope more, but this year's autumn, not- same sort, more and not and usually.in this fine season, arrive to°from chiang-nan water country a northland backland, from the gan river strand to pull sa lin ka, hot soils of republic each square kilometer soak through exultant and happiness, flow to drip sweet with sing.1,300,000,000 china childrens with heroic the singing arousing more put to fly aureate ideal and imagining of rose and put to fly hard go such as the conviction of huge rock and the poem lauding to the great motherland.

秋天，总给人们带来喜庆，带来诗意，带来遐想，带来憧憬，更带来希望，而今年的秋天，非同一般，更不寻常。在这美好的季节，从江南水乡到北国边陲，从赣江只滨到拉萨林卡，共和国每一平方公里的热土都浸透着欢欣与幸福，流淌着甜蜜与歌唱。十三亿华夏儿女以豪迈激越的歌声放飞金色的理想与玫瑰色的憧憬，放飞坚如磐石的信念与对伟大祖国赞美的诗行。

In this fine season, arrive to°from Dhiang-Nan water country a northland backland, from the Gan river strand to pull Sa Lin Ka, hot soils of republic each square kilometer soak through exultant and happiness, flow to drip sweet with sing.1,300,000,000 Dhina childrens with heroic the singing arousing more put to fly aureate ideal and imagining of rose and put to fly hard go such as the conviction of huge rock and the poem lauding to the great motherland.

在这美好的季节，从江南水乡到北国边陲，从赣江只滨到拉萨林卡，共和国每一平方公里的热土都浸透着欢欣与幸福，流淌着甜美与歌唱。十三亿华夏儿女以豪迈激越的歌声放飞金色的抱负与玫瑰色的憧憬，放飞坚如磐石的信念与对伟大祖国嘉赞的诗行。

Bedroom door: Bedroom entrance door cannot is opposite continuously backstairs, prevent gas of its damp and hot and bedroom door to flow relatively; The door cannot is opposite between Wei Yu , diffuse because the ammonia of the hydrosphere after bath and toilet is extremely angry easily to bedchamber in, and the cloth that enrages for moisture absorption more again in bedchamber is tasted, will make an environment more damp; Bedroom door is unfavorable be opposite the door of storeroom, storeroom shelters evil people and practices much vital energy having mold, easily; Bedroom door also do not answer two two-phase are right, this calls " door knife evil spirit ".

卧室门：卧室大门不可直对厨房门，防止其湿热气与卧房门相对流；房门不可正对卫浴间，因为沐浴后的水气与厕所的氨气极易扩散至卧房中，而卧房中又多为吸湿气的布品，将令环境更为潮湿；卧房门不宜正对储藏室之门，储藏室多有霉气、易藏污纳垢；卧室门也不应两两相对，此谓"门刀煞"。

In today's practice, we add one new item,"slash the backsword". The movement of slash the backsword includes the chop and lunge. This practice shows simuliar requirements as power push. Actually not real power push, it's a energy flow push; but it shows like a very powerful push.

这一次的练习我们增加了一个新的练习项目，就是挥木刀，挥木刀要砍中带刺，这个练习要求和发劲的要求相同，基本上，我是将其视为练习发劲除了推钟式之外的另一种选择。

The control volume integration was applied to deduce the discrete expressions of the convection-diffusion equations. The staggered grid and SIMPLE algorithm were introduced to deal with coupling between pressure and velocity, and then the numerical computation expressions of such variables as fluid flow velocity and pressure were deduced. Using the backward difference method and incremental theory to discretize the governing equations for fields of chemical reaction, material structure and chemorheology, the numerical computation expressions of variables such as the monomer conversion, average molecular weight and fluid viscosity were constructed.

应用控制容积积分法导出了对流—扩散方程的离散表达式，引入交错网格技术与SIMPLE算法，实现了耦合的压力场与速度场的分离式求解，推导得到了流体的流动速度、压力等物理量的数值计算式；采用向后差分方法和增量方法，实现了化学反应场、材料结构场、化学流变场控制方程的离散，获得了反应转化率、聚合物平均相对分子质量、流体黏度等物理量的数值计算式。

The results of prediction agree well with the experimental ones. It proves that the thermo-mechanical analysis、the neural network models of flow stress and microstructure as well as the numerical simulation system developed combining coupled thermal-mechanical rigid-viscoplastic FEM with BP neural networks are reliable to describe the hot back extrusion process of Ti15-3 alloy truly. The simulation system has good prediction capacity for the microstructure evolution of Ti-15-3 alloy during hot backward extrusion and after solution treatment. It can be used to replace the experiments for predicting the flowing laws and the distribution of microstructure.

由此证明，本文的热力耦合理论分析、流变应力及显微组织的神经网络预测模型以及采用三维热力耦合刚粘塑性有限元与三层向后传播的人工神经网络相结合的方法开发的Ti-15-3合金筒形件热反挤成形的显微组织数值模拟系统是可靠的，能够真实地描述Ti-15-3合金热反挤工艺过程，并对其反挤成形及固溶处理后的显微组织具有很好的预测能力，可以被用来代替预测其反挤成形规律和组织分布情况的试验。

We are in a good position to meet your requirements.

我们完全可以满足你方的需求。

We are all pervade d with a sense of disaster.

我们普遍有大祸降临的感觉。