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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。

I want to do this anyway for the sake of all the years we were so close...but it takes guts...i siked myself for days to call him last time and got answering machine..its a drag to get that after the siking the pondering over the mobile fone and the number and the pressing of the call button...

我做这些都为了不放弃我们多年来的亲密感情…不过这需要勇气…上次，我挣扎了好几天才去给他打电话，听到的却是答录机的声音，在我对着电话纠结犹豫了那么长时间，费了那么大劲才拨下号码，听到却是这个。。。。。

The LM footpads are only depressed in the surface about 1 or 2 inches,although the surface appears to be very,very fine grained,as you get close to it.

上面的障碍物只有聚集在表面1或2英尺，尽管当你靠近时，表面看起来有非常、非常细腻的纹理，就像粉末一样，表层看起来很细腻。

Working with the company's internal audit, IT and HR function, the counsel was able to get the suspected fraudster offsite and close down their remote access to the company's computer network.

通过与公司的内部审计、IT和HR部门紧密合作，首席企业法律顾问成功地将欺诈嫌疑人隔离开来，并关掉了他们进入公司计算机网络的远端入口。

Because players will be flying their own ships inside hangars, they will be able to get pretty close to the walls.

由于玩家会飞到机库中，他们会相当接近墙壁。

From when the shot is initiated, you have a small window up until close to the actual shot release from which to press Block. If timed correctly, along with a formula for the player's Block rating and height differential between shooter and defender, you will likely get a two-player block animation.

当对方开始投篮动作，你的球员会有稍微的重心提高的表现，当你按下封盖键，就不会有那么大的硬直，如果时机把握好，系统会结合投手和盖帽球员的各种数值和身高决定是否盖的到。

This will make them more vulnerable to Zerglings if you can get them close to surround the Jackals.

如果你的小狗能够靠近豺狗并彻底包围它的话，它将会变得非常脆弱。

When we got close to the Uyghur-populated area, we were stopped by the police and told to get in their jeeps.

当我们靠近维族人的积聚地，警察阻拦了我们，并且要求我们上了他们的车。

When we got close to the Uyghur-populated area, we were stopped by the police and told to get in their jeeps.

当我们走近的维吾尔人居住地区时，被警察拦下，并被告知去乘坐他们的吉普车。

She's trying to get her LATS as close together as possible by squeezing up this area.

她始终保持着从指尖到脊柱到脚趾的紧凑的流线形。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。