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In order to research the mechanism and effect of hydrodynamic cavitational enhancement, find the basic rule which affected it. The work has been carried out as following.First, an effective equipment of hydrodynamic cavitition is built. Second, we find a new method to capture the free radicals, which is used to measure the amount of hydroxyl. And its correlation with the intensity of cavitation has been studied aims at analyzing the effect of various factors on the yield of hydroxyl, achieving the optimum hydrodynamic cavitation conditions. Then, hydrodynamic cavitation is used to the degradation of organic wastewaters containing rhodamine B, and sterilization of biologic wastewaters containing enterobacter aerogenes. Finally, numerical simulation based on computer fluid dynamic has been made for verifying the effect of hydrodynamic cavitation theoretically.

为了探求水力空化强化效应的机制和效果，寻求影响空化强化效应的基本规律，本论文就此开展了如下研究工作：设计建立实用有效的水力空化实验装置；建立空化自由基捕捉新方法，并以此定量检测水力空化羟自由基，研究空化羟自由基产量与空化强度的关系，研究各种因素对空化自由基产量的影响，以寻求最佳空化强化条件；在此基础上，进行了水力空化对含罗丹明B有机废水降解处理、对含产气肠杆菌生物污水杀菌处理研究，实验检验水力空化的强化效果；根据计算流体力学理论对空化流场进行数值模拟，从理论上验证水力空化的发生效果。

Strive for the right conducting self for the destiny breaking away from a slave before long,Aframerican has carried out fighting with being distressed and lofty , has exactly been to contend since generation after generation advances wave upon wave, the right that black talented person has had to be able to share the USA dream, makes Aobama's being elected become possibility just now.

曾几何时，为了摆脱奴隶的命运、争取做人的权利，美国黑人进行了艰苦卓绝的斗争，正是由于世世代代前赴后继的抗争，黑人才有了能够分享美国梦的权利，才使奥巴马的当选成为可能。

Afterwards has not waited on to confuse the city prodigal sons, after I made the airplane which the typhoon first returned to Beijing, hugged can with the sand beach boy, Quest the excited mood which met in Beijing, alit from a plane on with the sand beach boy, Quest has related, but the sand beach boy, Quest in Beijing and the company discussed an official business, our appointment has just missed, lost the mood was unable the analogy!!!

后来也没有等上迷城浪子，我做上了台风后第一架回京的飞机，抱着能和沙滩小子、Quest在北京相会的激动心情，下了飞机就和沙滩小子、Quest 联系了一下，不过沙滩小子、Quest 在北京和公司谈点公事，我们的约会又失之交臂了，失落的心情无法比喻！！！

Not only has the highway system affected the American economy by providing shipping routes,it has led to the growth of spin-off industries like service stations ,motels,restaurants,and shopping centres.It has allower the rwlocation of manufacturing plants and other industries from urban areas to rural.

不仅影响了美国经济的公路系统，提供航线，却导致生长附带产业服务站、汽车旅馆、餐厅、购物的rwlocationallowercentres.it已制造工厂和其他产业从市区到郊区。

Amedeo Felisa, who has now assumed Todt's role of CEO, said,'For rebuilding the Sporting Division, as well as the results he achieved and the managerial characteristics he has shown, Jean has made an extraordinary contribution to Ferrari.

接替托德的现任CEO阿米迪欧-菲利萨也表示：&在重筑运动部门方面，以及他所取得的成就以及所展示的管理特征，让对法拉利作出了杰出的贡献。&

Aminophenol,it has the function of mading the nerve of human stable and can avoid the tire accumulated in the day , increase the health for people.it also has the function of accommodating the metabolism and blood-cycle of people in the sleep,and can increase the energy of the cells of skin, so it has the function of keep the skin young and nourish the skin.

纯天然蚕丝，其化学构造为18种天然氨基酸，这些氨基酸中含有一种微妙的成分，具有安定人类神经的作用，能彻底消除白天累结的疲劳，增益健康！对人体在睡眠中的血液循环和新陈代谢具有良好的调节作用，并能增强人体皮肤的细胞活力，从而达到延缓皮肤老化和滋养皮肤的作用。

It may have a preventional function from Alzheimer's disease. Molecular biological studies are shown that apoE isoform has a isoform-specific role to neurodegeneration. ApoE〓 and apoE〓 aid to sustain the stabilization of cytoskeleton protein tau, while apoE〓 hyperphosphorylates tau to destabilize the microtubule protein, which will make neurocyte easy to form neurofibrillary tangles in AD. Clearance of amyloidal peptide by apoE〓 and apoE〓 is more effective than by apoE〓. ApoE〓 has the strongest ability to clear the amyloidal peptide. It is shown that apoE〓 has a stronger prevention from Alzheimer's disease.

分子生物学研究发现，apoE异构体对神经细胞退化表现出异构体特异作用，apoE〓和apoE〓有助于维持微管的稳定性，而apoE〓则使tau蛋白超磷酸化，破坏微管的稳定性，使神经细胞易于形成神经纤维缠结。apoE〓和apoE〓对A β的清除率远远高于apoE〓，apoE〓对A β的清除能力最强，可见apoE〓对AD的发生具有较强的阻止作用。

He has the character of MoYan what is search father, and also has the character of Ma Yuan what is anagogic , this causes the reader to sink into his narrative snare frequently, has made the multiple explanations for his text.

他既有莫言的&寻根&，又有马原的诡秘，这使得他的读者常常陷于他的叙事圈套，从而使他的文本具有很大的难解性。

The salty bag hot compress therapy has the expansion blood vessel, the improvement partial blood circulation, the promotion partial metabolism function, has relieves sickness dissipates cold which has penetrated the body, dispels wet analgetic the effect.

盐袋热敷疗法具有扩张血管、改善局部血液循环、促进局部代谢的作用，有益于祛风散寒，温经通络，祛湿止痛的功效。

Name: The fresh water pearl anodonta, in 2010 starts an undertaking the pearl anodonta which needs, 6-7mm, the anodonta, inside has 25-30 about pearls, the length has 7CM, the width has 5CM, breeds in the river pond lives.

名称：淡水珍珠河蚌，2010年创业需要的珍珠河蚌，6-7mm，中河蚌，里面有25-30颗左右珍珠，长度有7CM，宽有5CM，在河塘里养殖活的。

Shop assistant: Please check at the door.

店员：请您到门口柜台交费。

In the end, transportation of PAHs in the environmental matrix was preliminarily investigated and discussed according to PAHs data of soils and sediments from a certain region in Shanghai. The result indicated that there are two or more pathways on PAHs transportation in the environmental matrix.

最后，对上海特定地区内PAHs在环境介质中的迁移径途进行了分析讨论，结果表明上海市土壤和沉积物等环境介质中PAHs的迁移存在多种途径。