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The simulation results of the cylinder-block model were given in the article, consistent with that of Middlemen"s. It was shown that the block part could improve the uniformity of the flow distribution. The analysis of the flow field of some materials with different power-law factor in the die designed by Mckelvey was close to that of Mckelvey"s. It was shown that the flow distribution was uniform in the die that can producesheets with 1200mm in width. During the analysis the flow channel was divided into several parts to get the details about the fluid flow in each area. A conclusion was drawn after analyzing the influence of the die pressure on the flow distribution, that the higher pressure is good for the output and bad for the uniformity of the distribution. Simulation of the die applying the cylindrical main runner showed the fact that when the cylinder replaced the cone the change of uniformity was trivial. The uniformity of the non-block flow channel was so poor that the block in the proper position of the die channel was necessary. The project of the die for the wider sheet was put forth, and the analysis of the fluid flow in the die was shown.

本文模拟了圆柱管缝隙流模型的三维流动场，得到了与Middlemen结论一致的流动均匀性，并通过模拟直观地展示了采用阻尼块可以改善挤出均匀性的现象；分析了多种幂率指数的流体在Mckelvey等人设计的流道模型中的流动分布，得到了与Mckelvey的分析结果接近的压力降和流量偏差；本文建立了1200mm幅宽机头流道的三维有限元模型，并逐个分析各个区域和多个截面的流动分布状况，由此揭示了1200mm幅宽L-型机头流道内的流北京化工大学硕士学位论文动分布基本均匀，并在分析了机头压力对于挤出流动分布的影响后得出结论：较高的机头压力可以获得较大的产量，但是不利于物料均匀分布；模拟了采用圆柱管主流道时机头流道内的流动分布，得出结论：主流道由圆锥管改为圆柱管时对流动均匀性影响不大，通过设置适当的阻尼仍然可以达到挤出平衡；模拟了两端进料式圆柱管无阻尼流道的流动均匀性后得到结论：两端进料式无阻尼结构的流动均匀性较差，宽机头中仍然有必要设置阻尼块；确定宽幅机头流道的基本方案，并设计了一种宽幅防水卷材挤出机头流道的结构，通过流动模拟表明该种结构的流动均匀性较好；考察了宽幅机头对于不同厚度片材的挤出适应性，得到结论：当生产不同厚度的片材时，阻尼块高度需要调整。

Many thoughts about myth become the folk belief idea establishment and the change, the development basis. For example, the worships of the Heaven Father and the Earth Mother.

而许多关系著「神话」的设想，进而成为民间信仰观建与变化、发展的依据，如对天公、地母的崇拜即是。

When she lectures you about Foo-Foo's favorite brand of cat nip, don't try to change the subject.

当她长篇大论地对你讲关于福福（译者注：福福Foo-Foo是一个兔子的卡通形象）最喜欢的猫薄荷品牌时，不要尝试去改变话题。

Her slogan "No Tree, No Me," is somet淘宝网hing she is telling world leaders a韩版T恤t the climate change conference淘宝代理 in T恤批发Copenhagen, where she is highlighting this problem as well as talking about how koalas can be part of the solution to lower carbon emissions in Australia through the preservation of their fores时尚起义ts.

她的口号是&没有树，没有我，&其实她是告诉在哥本哈根气候变化淘宝网会议上各国领导人强调，她是这个问题，以及关于如何考拉可格子衬衣以成为解决办法的一部分，在澳大利亚的碳排放量较低的谈话通过他们的保护森林。

Then direct against the concrete conditions of the oil field of Xinjiang, influencing the important factor that the oil gas operated the cost in the oil field of Xinjiang to be analyzed at first, then analyzing in the face of the domestic and international oil field before combining provide the oil field oil gas in Xinjiang and operate concrete method and measure that the cost controls, and combine the change law of petroleum gas cost in the past 10 years of big company of foreign petroleum Oil field Company oil gas cost control what time does it get helpful enlightenment out of about Xinjiang, providing the incentive mechanism of operating the cost of oil gas of oil field company of Xinjiang to design finally.

然后针对新疆油田的具体情况，首先对影响新疆油阳油气操作成本的重要因素进行了分析，然后结合前面对国内外油田的分析给出新疆油田油气操作成本控制的具体方法和措施，并结合国外石油大公司在近十年的石油天然气成本的变化规律对新疆油田公司油气成本控制提出了几点有益的启示，最后给出了新疆油田公司油气操作成本的激励机制设计。

The grain shape of in-situ polymerization PAN in 10 T is open-ramified rod-like pattern with the diameter of 50nm and that of sccondary doped PAN in 10T change to spherical structure about 20-30nm, which are obvious differcnt from irrcgular reef-like particle shape of doped PAN in 0 T.

强磁场作用下的原位聚合聚苯胺颗粒呈现大约50nm的棒状，而对本征态聚苯胺在强磁场下再掺杂得到20～30nm的球状颗粒，与未加强磁场作用下的礁石状颗粒有明显区别。

International negotiations to cut emissions of the heat-trapping gases driving climate change are gridlocked in part because of a fundamental misunderstanding about what is fair.

温室气体排放导致了气候变化。削减温室气体排放的国际谈判之所以陷入停滞，部分原因是人们对何为公平存在根本误解。

We've discussed a change of environment, we've talked about World Cup hangovers, new systems, ageing legs and an expectation of more time on the ball.

我们谈到了环境的变化，世界杯带来的影响，新的阵型体系，伤病以及上场时间的问题。

Cognitive behavioral therapy can also help change hoarders' thinking about their possessions.

认知行为疗法也有助于改变储物症患者对个人物品的想法。

However, once the Hong Kong launch of A50 Index Futures, the plate and two AH shares to the overall relationship between the stock market there will be a fundamental change, because A50 index futures arbitrage provided new tools and platforms, to circumvent the mainland do not have this product brought about by market imperfections.

但是，一旦香港A50指数期货的推出，阿板和两个股之间的整体关系股市会有根本的改变，因为A50指数期货的套利提供了新的工具和平台，以规避大陆不本产品所带来的市场缺陷。

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称；三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起，称之为挽歌体诗人或者史诗诗人，他们被称为诗人，似乎只是因为遵守格律写作，而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。