..............page:99-100
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..............page:108-111
..............page:130-132
..............page:16-18,56
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..............page:48-49,80
..............page:38-41,44
30MHz-512MHz wide-band power amplifier
chen yu-mei1; qian guang-di1; gong lan2 (1.school of automation engineering; uestc; chengdu 610054; china; 2.natinal institute of measurement and testing technology; chengdu 610021; china)
..............page:137-140
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..............page:118-119,144
..............page:115-117
..............page:103-107
Emulating analysis of F320 drilling rig a-frame
liu xiao-jia1; deng yong-gang2; wan fu2(1.quality and safery environment department; sichuan petroleum administration; chengdu 610051; china; 2.technology examination center of sichuan petroleum administration; guanghan 618300; china)
..............page:77-80
..............page:19-21,66
..............page:13-15,25
..............page:8-9,37
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