During the production of plastic film through casting method, the cooling process of molten polymer which is extruded from the extruder die determines the quality and performance of plastic film.

Punching plunger extruder is a novel mechanical ram extruder which was developed based on hydraulic ram extruder and forge principle.

柱塞冲压式挤出机是在液压式柱塞推压机的基础上根据锻造原理开发的一种机械式柱塞挤出机。用柱塞冲压式挤出机可以连续挤出超高分子量聚乙烯制品。

Fully-hydraulic Ceramic Extruder

全液压式陶瓷挤压机

Pilot-plant production of φ 350mm graphite electrode with hydraulic extruder of 1500 tons

用1500吨油压机生产φ350mm石墨电极

Would you like to raise up your extruder's output?

您想提升贵公司的挤出机，或是射出机的产量吗？

Thus, the ground experiment technology and the construction of its test equipment become an important part in astronaut extravehicular activity.

因此，航天员出舱活动的地面试验技术及其试验设备建造，成为航天员出舱活动任务中的重要组成部分。

Path planning for astronaut translation by means of continuous handrails during extravehicular activity

舱外活动中航天员利用扶手移动的路径规划

Analysis of Astronaut Thermal Comfort during Extravehicular Activity

出舱活动过程中航天员的热舒适性分析

Astronaut extravehicular activity is the key technology of manned space flight.

宇航员的出舱活动是载人航天飞行的关键技术。

A heat sink of phase of change thermal storage/ radiation for extravehicular activity

一种用于出舱活动的相变储热/辐射器式热沉

Computer Simulation of Extravehicular Activity Based on Torque Ratio Optimization

基于力矩比优化的航天员舱外活动仿真

Thermal design technology of space suit used for extravehicular activity

舱外航天服热设计技术

Results: 126 cases had been followed-up, 54 cases had intrauterine gestation, 5 cases extrauterine gestation and 1 case combined with intrauterine and extrauterine gestation. The rate of intrauterine gestation was 43%.

结果：随访126例，54例宫内妊娠，5例宫外妊娠，1例宫内外同时妊娠，宫内妊娠率为43%。

Analysis on sequential therapy of extrauterine pregnancy by HCG dynamic curve

异位妊娠药物序贯治疗中血HCG动态曲线变化与疗效分析

Clinical analysis of 21 patients misdiagnosis extrauterine pregnancy caused by hemorrhagic salpingitis

出血性输卵管炎误诊宫外孕21例临床分析

Clinical observation and nursing on conservative treatment of extrauterine pregnancy

宫外孕保守治疗的临床观察及护理

AIRLINE A Study on the Extratropical Cyclone and Voyage Selection in the North Pacific

北太平洋温带气旋与航线选择研究

Analysis on forecast accurate rate of the extratropical cyclone in Japanese meteorological facsimile chart

日本传真天气图上温带气旋预报准确率分析

A Study on the Extratropical Cyclone and Voyage Selection in the North Pacific

航行模拟与最佳航线决策北太平洋温带气旋与航线选择研究

Forcing Mechanisms and Mesoscale Structures of An Rapidly Developing Extratropical Cyclone

一次出海快速发展气旋的动力学及中尺度结构特征分析

Analysis on the Process of Tropical Storm TOM's Transformation to Extratropical Cyclone

中尺度数值模式对1996年热带风暴TOM转变温带气旋过程的特征分析