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