Volume 4, Issue 5, September 2019
A Comparative Study on Beam Divergence Angle and Wave Length Between Semiconductor Laser and Helium-Neon Laser
Senamaw Mequanent Zgeye
Pages: 69-75     Published Online: Nov. 5, 2019
DOI: 10.11648/j.ajmie.20190405.11
Abstract | Full-Text PDF (410KB)
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The Spatial and Temporal Distribution of Rock Breaking Effect of Explosion Stress Wave of Slotted Cartridge
Yanbing Wang, Bingbing Yu, Ji Kong, Maike Wang
Pages: 76-85     Published Online: Nov. 6, 2019
DOI: 10.11648/j.ajmie.20190405.12
Abstract | Full-Text PDF (2039KB)
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