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Based on the pile driving logs, geological conditions on site and results of high-strain dynarnic pile-driving tests of the steel tubular piles driven in decomposed rocks, the effect of diesel and hydraulic hammers in driving these piles is analyzed.

本文根据风化岩地基施打钢管桩的打桩记录，地质条件，高应变动力检测成果进行比较，分析柴油锤和液压锤的使用效果，为在风化岩地基上施打大型钢管桩提供依据和设计施工参数。

A kind of waste PTFE filled with 45% of stainless steel powder was chosen as the experimental material. The samples were pyrolyzed in a self-made tubular reactor. In addition,the effects of pyrolysis conditions were investigated.

在自制的管式热解反应器中进行填充PTFE废料（含45%不锈钢粉）热分解实验，考察了废料的热解过程及主要因素的影响。

Printed circuit boards were pyrolysed in a tubular furnace with the aim of separating and recovering the organic and metallic materials.

采用温控管式炉在750℃条件下，对废弃印刷线路板进行高温裂解，以分离回收其中的有机和金属材料。

The use of electric hot plate heating or steam heating, hot plate surface temperature uniformity up to 2 , electric resistance heating elements for tubular heater, hot plate heating hot performance with automatic thermostat.

热板采用电加热或汽加热，热板表面温度均匀性达±2℃，电加热元件为管状电阻加热器，热板加热热具有自动调温性能。

A method of manufacturing the semiconductive belt pelletizes a mixture of a side-chain liquid crystalline polymer and a liquid conductive polymer and extrudes the mixture through a double bubble tubular injection molding apparatus.

一种制备该半导电带的方法，包括将侧链液晶聚合物和液体导电聚合物的混合物造粒，及通过双吹泡管状注射成型设备挤出该混合物。

To get the buckling deformation,configuration and restraint forces of tubular strings sealed in packers,the buckling behavior of tubing neared parkers was analyzed in this paper.

目前的封隔器管柱屈曲分析没有考虑靠近封隔器段非螺旋屈曲段管柱，没有给出非螺旋屈曲段管柱的变形表达式和封隔器对管柱的约束载荷。

This giant tubular container had been built to serve as pressure-testing chamber for the tiny astronaut capsule that would spearhead the Mercury rocket.

这个巨大的管状容器，曾经用作在墨丘利火箭上起主导作用的小型太空舱的压力测试室。

This giant tubular container had been built to serve as pressure-testing chamber for the tiny astronaut capsule that would spearhead the Mercury rocket.

这个巨大的管状容器，原本是建来为搭载在水星号火箭上的小型太空舱作为压力测试室来用的。

This giant tubular container had been built to serve as pressure-testing chamber for the tiny astronaut capsule that would spearhead the Mercury rocket.

这个巨大的管状容器，曾经用作安在&水星&火箭顶尖上的小型太空舱的压力测试室。

This giant tubular container had been built to serve as pressure-testing chamber for the tiny astronaut capsule that would spearhead the Mercury rocket.

这个巨大的管状容器，曾经用作在&水星&火箭上起主导作用的小型太空舱的压力测试室。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。