螺杆

The velocity fields,pressure fields and stress tensor fields in both of channels are respectively determined.

与挤出螺杆相比，注塑螺杆具有特殊形式的头部结构，这是由注塑机塑化部件的特点决定的。

How to choose a twin-screw extruder which would satisfy food industry enterprises is discussed fro its characteristics and applications.

针对如何选择一台适合于食品企业自身的双螺杆挤压机，从双螺杆挤压设备的特征与应用等方面进行了探讨。

Company to introduce technologically advanced single-screw, twin-screw extrusion equipment, computer numerical control injection molding equipment.

公司引进技术先进的单螺杆、双螺杆挤出设备、电脑数控注塑设备。

This dissertation explores the new process of co-rotating twin-screw and its supporting system theoretically and technically.

双螺杆加工新工艺及其支持系统的研究双螺杆，加

Twin-screw extruder design should include twin-screw extruder, overall scheme of the types of extrusion system design, the design, the transmission system, the design of the system, heating and cooling system design, the design of control system, etc.

双螺杆挤出机设计应包括双螺杆挤出机类型的确定，整体方案的确定，挤压系统的设计，传动系统的设计，加料系统的设计，加热冷却系统的设计，控制系统的设计等。

Than penetrate the plate from undersurface to upper surface , and screw on the cap. At last, adjust the top elevation and measure at the same time until it reaches the requirement of paper.

将地脚螺栓的螺杆由下至上穿过套板，在螺杆上拧上相应的螺母，通过螺母的松紧，调节地脚螺栓的顶部标高，用水准仪测量控制螺栓顶标高，直到图纸要求相符合为止。

30 The Wing and Thumb Library dialog box allows you to easily add industry standard wing nut , wing screw or thumb screw to your Drawing .

机翼和拇指图书馆对话框可让您轻松地添加行业标准螺母翼，翼螺杆或拇指螺杆您的绘图。

This paper introduces an approach that the CoCreate OneSpace Modeling software is used to precisely construct the model of the 135 three screw pump .

介绍了一种在CoCreate OneSpace Modeling设计环境下精确创建135型三螺杆泵实体模型的方法，在建模过程中通过运用动态模型技术，从而缩短了三螺杆泵的研发周期，提高了产品的精确度。

A mixing performance analysis on the different screw configuration in the process of twin screw codirectional extrusion;2. The filling ratios in the main reactive zones were estimated by clam barrel for different screw configuration s.

研究了不同螺杆构型下的充满度以及低密度聚乙烯熔融接枝马来酸酐的过程，探讨了不同螺杆构型下充满度与接枝反应挤出过程的关系。

Triple-screw extrusive industrial equipment is a new technology coming out in recent years. Although its extrusive characteristics such as energy-consuming, disgregation, exhausting and so on have been tested very well, the flow pattern, blending and mixing mechanisms and the shearing effect of polymer melt in triple-screw are waiting for our in-depth researches.

由于三螺杆挤出工业装备是这两年刚刚问世的新技术，对其挤出特性，如能耗、分散、排气等作了很好的研究测试，然而，由于是一项问世不久的新技术，对三螺杆挤出机中物料的流动形态、混合混炼机理和剪切作用等方面有待深入研究。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。