Sedimentation of tephra by volcanic plumes: I

Sedimentation of tephra by volcanic plumes: I
复制标题

火山羽流沉积火山灰:I

DOI:
--
复制
发表时间:
1991
期刊:
影响因子:
--
通讯作者:
S. Carey
S. Carey
中科院分区:
--
文献类型:
--
作者:
M. Bursik;R. Sparks;J. Gilbert;S. Carey

文献摘要

被引文献

相似文献

1.一种鱼雷爆炸器,其组合包括:一个其中具有孔的基座单元,设置在一个所述孔中的流体静力学控制的开关装置,设置在另一个所述孔中的惯性致动的点火装置,可拆卸地固定到所述基座单元的控制单元,所述控制单元内的马达装置,由所述马达装置驱动的齿轮装置,以及可拆卸地固定到所述控制单元的保险装置,一个转子,该转子在所述保险装置内设有雷管,并适于响应齿轮装置的运动而移动到保险位置,所述流体静力学控制的开关装置和所述惯性致动的点火装置包括在一个向所述雷管提供电荷的电路中。
1. A torpedo exploder comprising, in combination, a base unit having bores therein, hydrostatically controlled switch means disposed in one of said bores, inertia actuated firing means disposed in another of said bores, a control unit detachably secured to said base unit, motor means within said control unit, gear means driven by said motor means, and an arming device detachably secured to said control unit, a rotor provided with detonators within said arming device and adapted to be moved to an armed position in response to movement of the gear means, said hydrostatically controlled switch means and said inertia actuated firing means being included in a circuit supplying an electrical charge to said detonators.