aerostatic irrigation

The calibration of antenna system can be carried out using a calibration hung under a balloon, and the calibration of the receiver can be carried out using a standard signal generator.

天馈系统的标定可利用气球放飞的定标球 ,接收机的标定可利用标准信号源。

Based on weld repair of the crack in the 4~# oxygen spherical tank of BAOSTEEL,we analysis the weld performance,weld test and the technics assess test base on the weld repair of the steel 15MnVNR,at last accomplish the weld repair and put into production on time.

围绕宝钢开裂4#氧气球罐的焊接返修,论及15MnVNR的焊接性分析、焊接试验和为焊接返修所进行的焊接工艺评定试验。

This paper analyzed the inspection of a 120m oxygen spherical tank, gave the reason leaded fatigue failure, and put forward the corresponding count measures.

疲劳裂纹是承受交变载荷压力容器常见的失效形式,本文对一台120m3氧气球罐检验情况进行分析,指出了导致疲劳失效的原因,并提出了相应对策。

It is thought that uplifting explosive pack using balloon is a better method.

宜春钽铌矿运输溜矿井在放矿过程中常被大块卡死或结拱,文中简要介绍了三种常用的飞升疏堵爆破器材的结构、原理和特点,认为氢气球浮升药包是最佳的选择。