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As to multi-layer reservoirs,each layer can be divided into three areas:area of gravel-packing,area of perforation and area of radial flow.Each area has its own governing equaiton and the solution is expressed by Green function.The well bore pressure and layer-rate is given through Green function in Laplace space.The pressure drop and skin factor isobtained also in each area.

根据多层砾石充填完井的渗流特点，将每个产层在径向上分成3个区域，即砾石充填区、射孔区、地层径向流区，每个区域有各自的渗流方程，对n层油藏有3n个渗流方程，将每个区域的方程用Green函数来表示，由各层的Green函数得到井筒混合压力、分层压力及分层产量在Laplace空间上的解，最后得到每层各区域的压力损失、表皮系数以及井底压力和分层产量与时间的变化关系。

The current of the Niagara Falls rushs down cliff to come downstream and new confluent later, continue to roll in gorge buckjump, the with prep above cataract velocity of flow on the reach that in inadequacy 2 kilometers grow is horary the fall that 35.4 kilometers drop to swing and issue 15.8 meters, deduce a world to go up the maddest the the wild, most horrible, most dangerous eddy race, rush again deep the eddy pool of 38, next dragon of a flood dragon turns over, the elder brother that passes east bank Canada this, the Liweisidu of right bank United States, had rushed " devil hole race ", along final " Liweisidu affluent gorge " by enter eastwards on the west install rude lake.

尼亚加拉瀑布的水流冲下悬崖至下游重新汇合之后，在峡谷里继续翻滚腾跃，在不足2公里长的河段上以高于大瀑布的流速每小时35.4公里跌荡而下15.8米的落差，演绎出世界上最狂野。最恐怖。最危险的漩涡急流，又冲进深38的漩涡潭，然后一个蛟龙翻身，经过左岸加拿大的昆斯顿。右岸美国的利维斯顿，冲过&魔鬼洞急流&，沿着最后的&利维斯顿支流峡谷&由西向东进入安大略湖。

This paper mares some analysis that two factors of oil drop volatilitation in uniform down will influence the experiment of oil drops ,and raises some points to be noticed in experiments.

本文分析了油滴的挥发性和匀速下落问题对密立根油滴实验的影响，提出了实验过程中该注意的问

Go a few years in, yahoo was immersed in predicament, outstanding achievement glides continuously, share price is to drop to 4 years of nadirs more.

过去几年里，雅虎陷入了困境，业绩持续下滑，股价更是跌至四年最低点。

Go a few years in, yahoo was immersed in predicament, market share glides continuously, outstanding achievement growth is lack of power, share price is to drop to 4 years of nadirs more.

过去几年里，雅虎陷入了困境，市场份额持续下滑，业绩增长乏力，股价更是跌至四年最低点。

Then the numbers drop with Time Warners ( TWX : news , board ) network in fourth place with 260.4 million, and EBay ( EBAY : news , board ) in fifth, with 251.4 million.

然后人数下降与时代华纳第四位，与260400000网、易趣第五，与

The cell in acidic situation presented a degenerative chang-ment,such as an increased lipid drop and empty cavity in the cell plasma,a py-knotic nuclei,the dilatation of the endoplasmic reticulum and Golgi saccules,mi-tochondrial swelling the number of ribose decrease,and the ribose dissociated inthe plasma,a lot of swallowing cavity,the fibric material decreased accompany-ing with the acid being stronger.

随培养基pH逐渐下降，上述过程因受酸性阻抑而延缓，细胞增殖速度也受影响，处于酸性环境中的软骨细胞呈退行性变化，表现为细胞浆内脂质颗粒与小泡增多、细胞核皱缩、核仁浓染、内质网线粒体膨胀、核糖体数目减少，且与粗面内质网结合的少，游离在胞浆中的多。

Select the paint bucket tool, in the top tool bar switch to pattern, then select your pattern in the drop down box.

选择油漆桶工具，在顶部的工具栏里转到图案，然后在菜单里选择你的图案。

Market of B2B of electronic business affairs basically was centered in natural resources of Alibaba, government and assemble 2006 market conditions, 2007 although market dimensions is very finite, but its affect trade the dimensions of value is close 2 trillion yuan, and 2008 this number can be achieved 2.5 trillion, the market is spent centrally also will drop stage by stage, forecast future 3 years B2B manufacturer of home appears on the market the company will achieve more than 10, catenary of zoology of B2B electron business affairs can undertake reframing, the segment that includes service of a lot of business can have such one reframes process, reframe in industrial catenary medium happening buy case will increase quickly.

电子商务B2B市场在2006年主要集中在阿里巴巴、治理资源和汇集商情，2007年市场规模尽管非常有限，但其影响的交易价值的规模近2万亿元，而在2008年这个数字会达到2.5万亿，市场集中度也就将逐步下降，猜测未来3年国内的B2B厂商上市公司将达到十余家，B2B电子商务生态链会进行重构，包括很多商业服务的环节都会有这样的一个重构过程，在产业链重构中发生的并购案将会快速增加。

Xinchang City, according to Midland Realty刘洪佳branch sales manager, the Beijing West plate current average price of a room in the 5,000 yuan / month -6000 yuan / month; of establishing another in the 7,000 yuan / month -8500 yuan / month, three-bedroom units average 9,000 yuan / month -10000 yuan / month compared with the previous 3 months a cumulative drop of 12%.

据美联物业新昌城分行营业经理刘洪佳介绍，北京西路板块目前均价一房在5000元/月-6000元/月；二房在7000元/月-8500元/月，三房均价在9000元/月-10000元/月，较前3个月累计下降了12%左右。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。