口

Active hubs also are called multiport repeaters because they have multiple ports and they regenerate the signal coming into one port before sending it back out the other port.

有源集线器也被称为多端口中继器，因为它们具有多个端口并且将进入一个端口的信号再生法到其他端口上。

The present invention pertains to an improved nozzle for use in wear-resistant rotary atomizers and to atomizer wheels containing said improved nozzles. Said atomizer wheels and nozzles have the same wear resistance as the ones described in the prior art or even better, but at the same time, the nozzles have been improved to provide microspherical particles with a very narrow particle size distribution.

本发明涉及一种用于耐磨旋转雾化器的改进的喷口以及包括所述改进喷口的一雾化轮；所述雾化轮和喷口具有与现有技术中所述的相同甚至更好的耐磨性，但同时喷口改进成可以提供具有非常窄的颗粒尺寸分布的微球颗粒。

It analyses the importance of the pressure orifice in gas fire-extinguishing system and its application,and discusses the design and set of the pressure orifice,introduces the forms of the pressure orifice,in order to remind the construction and fire people paying attention to the action of the pressure orifice,to assure the reliability and security of gas fire-extinguishing system .

浅析了泄压口在气体灭火系统中的重要性及其应用，并对泄压口的设计、设置问题进行了探讨，介绍了泄压口的形式，旨在提醒建筑和消防相关人员重视泄压口的作用，以确保气体灭火系统的可靠性和安全性。

In this dissertation the"Penalty"finite element method was employed to compute the velocity of the three-dimensional flow of power-law fluid in a profile die. In order to decrease the needed computer memory and raise the stability of numerical simulation, a set of decoupled methods such as PFEM, pseudo-body force method and transformation of momentum equation to the elliptic equation was developed to establish the general finite element equations to compute the distributions of velocity and viscoelastic stress of the three-dimensional viscoelastic flow of the Phan ThienTanner fluid in a profile die. During numerical simulation of the extrudate swell of the PTT fluid, the flow in the die and out of the die was analyzed separately, which demands less computer memory. The key techniques used in numerical simulation of the three-dimensional extrusion from dies such as decision of boundary conditions, creation of initial velocity field, selection of penalty factor, high Weissenberg number problem , regeneration of the free surface were studied in detail.

中文题名聚合物异型材口模挤出三维流动研究副题名外文题名 Study on three-dimensional flow of polymer melts during the process of profile extrusion from dies 论文作者涂志刚导师柳和生包忠诩教授学科专业材料加工工程研究领域\研究方向学位级别博士学位授予单位南昌大学学位授予日期2001 论文页码总数148页关键词挤出成型聚合物材料挤出口模聚合物异型材馆藏号BSLW /2003 /TQ320 /9 本文建立了求解挤出口模内幂律流体流动速度场的通用三维罚有限元模型；对于非线性粘弹性的Phan Thien-Tanner流体，为了降低模拟计算对计算机硬件的要求，并使模拟计算更加稳定，采用了一种去耦算法，包括罚有限元方法、拟体力方法和动量方程的椭圆类方程转化方法，并建立了求解速度场和粘弹性应力场的总体有限元方程；对于PTT流体的挤出胀大问题，提出了挤出胀大熔体口模内外分离模拟法，这样可以显著降低数值模拟对计算机硬件的要求。

Aili licensing existing family of products: Pingyao beef, Spiced beef, Spiced Donkey Meat, stewed pork, smoked chicken, bullwhip, donkey-bao, pig meat, cattle cut, half chickens, six delicious beef, a commodities-beef, fragrant and hot rabbit meat, dog meat, one-Donkey Meat, one-dog meat a goods-Spiced beef, a 1,419-beef products, a commodities-beef meat, a goods-Eleusine indica, a Chicken gizzards, a Chicken necks, Spiced Chicken Claw, cattle tendons, and so more than 20 varieties more than 40 specifications, product as the more than 20 provinces and municipalities autonomous regions, and companies in Beijing, Tianjin, Stone City , Zhengzhou, Xian and so have offices.

冠云牌系列产品现有：平遥牛肉、五香牛肉、五香驴肉、红烧猪蹄、熏鸡、牛鞭、驴宝、牛腱肉、牛里脊、半只鸡、六味香牛肉、一品香牛肉、香辣兔肉、狗肉、一口香驴肉、一口香狗肉、一品香五香牛肉、一品香鲜辣牛肉、一品香牛腱肉、一品香牛筋、一口香鸡胗、一口香鸡脖子、五香凤爪、牛蹄筋等20多个品种40多个规格，产品远销全国20多个省市自治区，公司在京、津、石市、郑州、西安等均设有办事处。

The probing behaviors of the tea green leafhopper, Empoasca vitis Gothe, on nine tea cultivars were studied by videotext Direct Current-Electrical Penetration Graph, i. e. DC-EPG. Following seven types of waveforms produced by the leafhopper stylet probing were determined: A, stylet pathway formation; S, salivation when stylets pierce into and stay in phloem; C, active ingestion before stylets reach phloem; E and F, passive ingestion in phloem; R, the insect resting with its stylet inserted into the leaf tissue and NP, not probing.

应用可视DC-EPG方法研究了假眼小绿叶蝉在9个品种茶苗上的口针刺探行为，共发现并初步确定了7种主要波型，即A波、S波、C波、E波、F波和R波、以及非刺探波NP波。A波为刺探波，S波为口针向韧皮部刺探和进入韧皮部中的分泌唾液波，C波为口针到达韧皮部之前的主动取食波，E波和F波为口针在韧皮部中吸收波，R波为取食间歇波。

Preparing rotary steel cage comprising one rotating frame, one steel cage and one driving mechanism; and 2. setting the rotary steel cage in the tail of haydite calcining rotary kiln and introducing hot tail gas through the cavity channel of the steel cage, rotating the steel cage, loading raw haydite pellet into the steel cage through the upper inlet for drying through contact with hot tail gas, and discharging the stoved haydite pellet through the lower outlet.

一种淤泥陶粒生产的预烘干工艺，其特征在于它包括如下步骤：1准备回转钢笼：回转钢笼由旋转架(1)、钢笼(2)、旋转驱动机构构成；2将回转钢笼置于陶粒煅烧回转窑的尾部，将回转窑通风所产生的热尾气由钢笼(2)低端口导入钢笼(2)的空腔通道中；启动回转钢笼的旋转驱动机，旋转驱动机驱动旋转架(1)旋转，带动钢笼(2)旋转；待预烘干的陶粒生料球从钢笼(2)的高端口进入钢笼(2)的空腔通道中，陶粒生料球在钢笼(2)的空腔通道内翻转时与由钢笼(2)低端口导入的热尾气充分接触，从而迅速烘干水分；烘干后的陶粒生料球从钢笼(2)低端口排出。

The Wii has four remote controller slots; one SD memory slot; two USB ports; one sensor bar port ;four Nintendo game cube controller ports; two Nintendo game cube memory card ports; WiFi 802.11.b/g wireless built in ports.

Wii版有四个远程控制器插槽，一个SD内存插槽，两个USB端口；一个传感器酒吧端口；四个立方体任天堂游戏控制器连接埠；两个任天堂游戏立方体记忆卡端口；无线802.11.b / g无线网卡内置端口。

The intensity of flow in the re-entrant type combustion chamber is stronger than that in the Maxican-hat geometry combustion chamber.

缩口燃烧室的缸内流场强度要强于直口燃烧室，进而导致缩口燃烧室的油气混合和燃烧性能要优于直口燃烧室。

Should the union nut and end connector on the "adjust" side of the valve be removed, this change negates the possibility that pressure on the other side could blow the internal components and fluid medium out of the open valve end to injure the service mechanic and/or surrounding equipment.

在拆卸阀门的可&调节&端口的管接螺母和端口连接件时，这种改进消除了另一个端口的压力将内部部件和流体介质从阀门开口端口处吹出导致维修技工伤害或破坏周围设备的可能性。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。