挤出体

词组短语

squeeze-up

与挤出体相关的网络例句 [注：此内容来源于网络，仅供参考]

In common glass fiber reinforced polyolefine pipe, when the volume faraction is less than the critical value, the glass fiber can not act as reinforcement, on the contray, it would reduce the whole intensity of the compound material. However, when extruded in combined stress field, the extend intensity of the compound system increases when the volume fraction of glass fibers is less than the critical value. When the glass fiber volume fraction is higher than the critical value, the required glass fiber volume fraction of compound fibers extruded in the combined stress field is less than theory value.

一般玻璃纤维增强管材在常规挤出时当添加的玻璃纤维体积含量小于临界体积分数(当添加的玻纤的复合体系拉伸强度等于基体聚合物材料的拉伸强度时的玻纤体积分数)时，玻纤起不到增强的作用，反而会使复合材料的整体强度降低；但在复合应力场下挤出时，当添加的玻纤含量小于临界体积分数时，复合体系的拉伸强度不但没有降低反而升高了；当添加的玻纤含量大于临界体积分数时，复合体系要达到同样强度，经过复合应力场的玻纤增强管材需要的体积分数小于理论值。

The dynamic rheological behavior and non-isothermal cold crystallization of polywere studied to reflect the disentanglement effect of the pulsatile extrusion flow field.

通过分析 PET 熔体的动态流变参数和结晶动力学过程的变化，间接证实动态挤出聚合物熔体分子的解缠结作用。

Along extrusion direction, the isobar in groove becomes to perpendicular to mandrel axis from perpendicular to groove, while the isobar in annulus clearance becomes to perpendicular to mandrel axis from inclining to mandrel axis.

沿挤出方向，螺槽中熔体的压力等值线由垂直于螺槽逐渐变为垂直于轴向，环形间隙中熔体的压力等值线由倾斜于轴向逐渐变为垂直于轴向。

Ultramicrohardness testing was employed to measure the hardness of the matrix in a hotextruded SiCp/LD2 composite for characterizing the law of distribution of thermal residual strain in the matrix.

用超显微硬度仪测试了热挤出态的SiCp/LD2复合材料中基体微区的硬度，用于表征材料基体中的热残余应变分布规律。

The simulation results show that the die swell rate of height direction is greater than that of width direction. Due to the difference of material characteristic of the two polymers, the end section shape of coextrusion is dissymmetric drum. The coextrusion interface would be change during the extrusion swell process.

有限元模拟结果显示：聚合物在离开方形口模后，熔体高度方向的挤出胀大率明显大于宽度方向的胀大率，且两种熔体的挤出胀大率不同，熔体术端截面形状为不对称的鼓形；在挤出胀大段，共挤出界面的形状和位置会发生变化。

It is initiated by a mid-menstrual cycle release of luteinizing hormone from the pituitary and initiates a cascade of events that eventually lead to extrusion of a fertilizable oocyte as well as remodeling of the follicle into the corpus luteum.

这是一个发起中旬月经周期的黄体释放素由垂体和启动一连串的事件，最终导致挤出的卵母细胞如fertilizable以及重塑毛囊进入黄体。

The results indicate that the interface curve in width varies along the flow direction. The flow rate ratio controls the coextrusion interface location. The interface deviate value increases with the increasing of the flow rate ratio. The difference viscosity of two layers polymer leads to the interface deflecting towards the lower viscosity side.

结果表明：宽度方向共挤出界面的形状和位置沿聚合物流动的方向不断变化；界面偏移量的大小随着流量差异的增加而增大；聚合物入口流量的变化是导致共挤出界面位置变化的决定性因素，流量比的变化对出口处界面形状的影响不大；两种聚合物粘度的不同会导致界面偏向粘度较低的熔体一侧。

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.

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。

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。

This error can be as much as 10 C, depending on melt viscosity and flow rate. Normally, this is usually ignored as most extruders are more interested in comparative readings than absolute ones, but for the chemical reactions like cross-linking or foaming, a more exact value may be needed, and the amount of shear heating may need to be known. It is a relative simple thing to do - when the machine is to be shut down, stop the screw without reducing speed or barrel conditions and watch the drop in melt temperature over the first 10-20 seconds, or until it begins to level out again.

通常在大部分关注相对读数的挤出机上，这些偏差可以忽略；但如一些挤出反应如交联、发泡对反应温度要求精确，剪切产生的热量需要知道，有一个相对比较简单的办法：但关闭机器的时候，并不降低主机转速或者筒体温度，在第10-20秒时，或者直到熔体温度达到平衡时，观察熔体温度下降了多少。

与挤出体相关的网络解释 [注：此内容来源于网络，仅供参考]

beestings：母牛初乳(生小牛后一周內挤出的乳)

beestings母牛初乳(生小牛后一周內挤出的乳) | beestingsbody母牛初乳的免疫体 | beeswax蜂蜡

beestings body：母牛初乳的免疫体

beestings 母牛初乳(生小牛后一周內挤出的乳) | beestings body 母牛初乳的免疫体 | beeswax 蜂蜡

bio：氧化铋

分别以聚碳酸酯(PC)、聚碳酸酯和ABS合金(PC/ABS)为基体,以氧化铝(Al2O3)、碳化硅(SiC)、氧化铋(BiO)等作为导热填料,用挤出机造粒,注塑机成型样条.研究了填料种类、形状、填充量对复合材料的导热性能和力学性能的影响.结果表明,

diapir fold：挤入褶皱;冲顶褶皱

挤出熔体 squeeze up | 挤入褶皱;冲顶褶皱 diapir fold | 挤升熔岩丘 pressure plateau

extruder：挤出机、挤压机

挤出型绝缘电缆 extruded dielectric cable | 挤出机、挤压机 extruder | 挤出机筒体 extruder barrel

molluscum contagiosum：传染性软疣

传染性软疣(molluscum contagiosum)是一种由痘病毒引起的自身接种性病毒性皮肤病. 其特点为散在多发的半球状,蜡样光泽丘疹,中央呈脐窝状,可挤出乳酪状软疣小体. 好发于儿童和青年人. 俗称"水瘊子".