Volume 12, Number 2  (2018)

CONTENTS

Impact of Mobility on Geographic Cross-Layer Architecture for Service Differentiation in Wireless Sensor Networks
Xiaofeng Xu

Determination of Sound Speed in a Magnetic Fluid Using Acoustomagnetic Effect
Lei Li

Optimization of Regulator Parameters of the Automatic Regulation System of the Rotation Frequency of the Valve Engine of the Top Drive System of Bore Installation
Irene Diaz, Xiaobing Sun and Xiangyue Liu

Geometric Features of Different Parts Lost in the Collapse of the Blasted Rock
Yucong Duan and Bin Li

Characterization of Multiple Input Multiple Output: Investigating Spatial Diversity
Xiaobing Sun

Satellite Info communications Protection against Unauthorized Use
Xiaobing Sun

Replacing Ground Rod Joining Cable from Copper to Galvanized Iron
Xiangyue Liu