Failure analyses of drilling pipes
liu hui1; 2; fu chun-yan1; 2; zhou yong-lin1; 2; li ping2; liu xiao-jia3(1.southwest petroleum university; chengdu 610500; china; 2.safety environment quality surveillance and inspection research institute of cnpc sichuan petroleum; guanghan 618300; china; 3.quality safety and environment department of cnpc sichuan petroleum; guanghan 618300; china)
..............page:119-121
Review of tea polyphenols analyses for tea
tan he-ping1; zou yan1; 2; ye shan-rong1; chen li1(1.national institute of measurement and testing technology; chengdu 610021; china; 2.college of chemistry and engineering; sichuan university; chengdu 610064; china)
..............page:4-11
..............page:139-141
..............page:126-128
Apply ZigBee technology to inspect coal mine safety
zhang jia-yi1; liu jian-wen2; wu chuan-hui1(1.college of mechanical engineering; southwest jiaotong university; chengdu 610031; china; 2.chengdu institute of computer application; chinese academy of sciences; chengdu 610041; china)
..............page:122-125
Design of waveform ROM in DDS
wang qiao-lan1; ding zhi-yu2(1.college of computer and information; yang-en university; quanzhou 362014; china; 2.test center; chongqing university; chongqing 400044; china)
..............page:65-68
Design of wind profiler radar digital IF system
zhang fu-gui1; 2; shi yi-bing1(1.college of automation engineering; university of electronic science and technology; chengdu 610054; china; 2.department of electronic engineering; chengdu university of information technology; chengdu 610225; china)
..............page:62-64
..............page:129-131
Current state of acoustic emission technology for BOP test
zhu xiang-jun1; 2; wan fu1; xu xing1; li ping1; wu yi3 (1.safety environment quality surveillance and inspection research institute of cnpc chuanqing drilling and exploration corporation; 618300; china; 2.graduate school of southwest petroleum university; 637001; china; 3.drilling and production technology research institute of cnpc chuanqing drilling and exploration corporation; 618300; china)
..............page:115-118
..............page:69-71,75
Comparason study of three harmonic current detecting methods
wei wei1; zhao xiao-ying2; shao jun3; wang an-na1(1.school of mechanic and electronic engineering; xi an university of arts and science; xi an 710065; china; 2.aircraft strength research institute of china; xi an 710065; china; 3.school of mechanical and precise instrument engineering; xi an university of technology; xi an 710048; china)
..............page:26-29
..............page:23-25,68
Fault isolation method based on information flow model
chen sheng-jian1; wang dong1; 2; ding yan-song1 (1.department of control engineering; armored forces engineering university; beijing 100072; china; 2.center of astronaut scientific research and training of china; beijing 100094; china)
..............page:52-54
..............page:30-31,48
..............page:101-105
..............page:106-108
..............page:99-100,105
..............page:132-134
..............page:81-83,95
Research progress in heavy gas effects
he sha1; 2; yuan zong-ming1; yu jian-sheng1; 2(1.southwest petroleum university; chengdu 610500; china; 2.safety environment quality surveillance and inspection research institute of cnpc sichuan petroleum; guanghan 618300; china)
..............page:112-114
..............page:142-144
..............page:135-138
..............page:109-111