Based on laboratory experiments and in-situ observations, it has been proved that outburst of coal and gas in in-seam drivage is a chain reaction process of disc tensile fracture in a working face.
本文通过基础试验和现场观测，证明了煤巷掘进工作面煤与瓦斯突出是工作面煤壁盘形拉伸破坏的连锁反应过程。
It is different from a battery, which produces electricity from a chemical reaction. Another research group, at the Swedish Institute of Composites, is working on a structural battery.
这与化学电池是不一样的。瑞典复合材料学院的另一研究小组就致力于研究这么一种结构电池。
It is different from a battery, which produces electricity from a chemical reaction. Another research group, at the Swedish Institute of Composites, is working on a structural battery.
这与化学电池是不一样的。瑞典复合材料学院的另一研究小组就致力于研究这么一种结构电池。
应用推荐