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121 To increase lump coal ratio in stopes, a scheme is put forward for coal falling by loose pre-shearing millisecond blasting, and hole arrangement parameters and blasting parameters are adjusted.

122 The engineering practice and the numerical simulation the millisecond blasting for ditching deep bore hole.

123 It'showed that eccentric pressure is produced by eccentric decouple charge blasting on borehole wall.

124 Excellent effects of blasting and advanced technical management are something indicating a modern mine.

125 The sympathetic vibration of the building and the blasting sympathetic vibration is an indispensably important factor in the safety criteria.

126 I'm blasting my air con but it still feels like I should be on a beach holding a glass of Pina Colada (I'm actually not a big fan of those!

127 In this paper, the advantages of afforestation by blasting on two sides of highway are outlined, the blasting digging of tree pits, calculation of charge mass and charging structure are expatiated.

128 This paper describes the effects of bottom water cushion on long hole blasting.

129 Cryptical blasting, fluid boiling and meteoric water mixing are reasons of gold deposition in the deposit, forming cement type and vein type mineralisation.

130 Determination of blasting scheme, selection of blasting parameters, calculation of charge weight, priming network, safety precautions and others were presented in this paper.

131 Cavity effect, fracture condition and mechanical analysis of the lancing cartridge blasting, and mechanism of explosive forming crevice are discussed.

132 Wear parts such as blasting nozzles, wire-drawing dies, powdered metal and ceramic forming dies, thread guides.

133 Large - diameter long hole blasting was used to excavate soil - rock in some engineering project.

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134 Any rust spot should be removed with wire brush or by abrasive blasting.

135 Decreasing the twice blasting for bench blasting can obtained better technical and economic effects.

136 The thesis primarily sets forth the design and realization of the multi-route remote control blasting system, gives the design scheme of the system and circuit devisal.

137 This paper introduces how to control collapse area, shockproof, seperating shock and protect circum-establishment on design by a successful demolition blasting.

138 Electric discharge machining , creping, and blasting are possible after welding, as well as heat - treating and nitriding.

139 Based on measurement and analysis of blasting vibration of surface mine and underground mine, all-round and scientific criteria of blasting safety are suggested.

140 Problems in the water hole blasting were analyzed, and measures for improving water hole blasting effect were proposed.

141 The technical problems encountered in demolition of the over-pass bridge at Zhonghua Avenue in the city of Qiqihar by blasting, and the solutions to them are detailed.

142 The directional a certain distance control blasting removal nearby was introduced, the pipeline of chemical property.

143 Development and Application of Wired Remote-Control Equipment of Blasting Self-recording System?

144 Based on the practice, the concept and methods logy of selecting the regimes for thermal balance, blasting, slag-making and charging are given.

145 The delay time of the delay blasting cap has been measured after ordinary and low temperature test, high temperature and high humidity test, and natural storage test.

146 In order to perforate in deep wells, a high-temperature and high-pressure resistant blasting cap for body-free perforatorhas been regenerated.

147 A systematical study is made of the stability of backfill in blasting.

148 The successful experience in the demolition of a large-scale ash bin by directional blasting is introduced.

149 Based on properties of the hypergraph, a universal calculation is proposed, which is consistent with experience equations and the experience data in the blasting design.

150 Detonating fuse will be used to detonate with interval charging for tunnel smooth blasting traditionally, it is more difficult to use detonator to detonate and propagate.