5

Dimethyl ether synthesis from methane by non syngas process

Year:
2005
Language:
english
File:
PDF, 214 KB
english, 2005
19

Effect of rail corrugation on metro interior noise and its control

Year:
2018
Language:
english
File:
PDF, 1.92 MB
english, 2018
28

Application Analysis of IOT Based on Beidou Navigation System

Year:
2013
Language:
english
File:
PDF, 560 KB
english, 2013