..............page:120-121,124
..............page:105-106,109
Application of Digital PID Controller in Coal-Blending System
jiang xue~1; liu si-zhe~2; li zhi-qiang~3(1.college of mechanical and electronic engineering; sust; qingdao; shandong 266510; china; 2.shandong jining prison; jining; shandong 277606; china; 3.jining no.2 coalmine; yanzhou mining group; jining; shandong 272172; china)
..............page:47-48,54
..............page:102-104
Study of Management Mode for the Fiscal-investment-project
fan cheng-fang~1; jia hong-jun~2; luo jian-qiang~1(1.economics and management college; shandong agricultural university; taian; shandong; 271018; china; 2.resource and civil engineering deprtment; shandong university of science and technology; taian shsndong; 271019; china)
..............page:81-84
Design of Saturant Reactor for Start of High-voltage AC Motor
qing xiang-dong~(1; 2); wu shun-wei~3(1.college of info science and eng.; sust; taian; shandong 271019; china; 2.jilin beida electric co.; ltd..jilin; jilin 132021; china; 3.dept.of physics and electronic science; taishan college; taian; shandong 271021; china)
..............page:43-46
..............page:96-97,101
Chaos Control for a Class of Self-Excited Vibration Systems
zhang yong-xiang; yu jian-ning(college of math.; physics and software eng.; lanzhou jiaotong university; lanzhou; gansu 730070; china)ff-excited vibration with clearances and oscillating boundaries such as rolling mill is studied.by applying lyapunov dimension; poincar mapping diagram; lyapunov exponential diagram; the chaos behaviors of self-excited vibration systems are analyzed.by four methods; the chaos control of the system is realized and the chaos behaviors of the system are controlled effectively to a steady periodic orbit or equilibrium point.
..............page:107-109
..............page:122-124
..............page:85-86,92
..............page:17-20,35
Study on Simulating Bolt Pretension by Using ANSYS
li hui-xun~1; hu ying-chun~(1; 2); zhang jian-zhong~3(1.college of mechanical eng.; guangxi university; nanning; guangxi 530004; china; 2.dept.of computer science; guangxi polytechnic college; liuzhou; guangxi 545006; china; 3.dept.of mechanical eng.; sust; taian; shandong 271000; china)
..............page:57-59
..............page:40-42,46
..............page:70-72,84
Present Situation and Direction of the Study on Severe Disasters in Coalmines
zhang wen-jiang~(1; 2); song zhen-qi~1; yang zeng-fu~3; peng lin-jun~(1; 4)(1.college of resources and environmental eng.; sust; qingdao; shandong 266510; china; 2.shenhua coal mining group co.ltd.; yinchuan; ningxia 730004; china; 3.jiangsu safety bureau; nanjing; jiangsu 210000; china; 4.dalian univ.; dalian; liaoning 116622; china)
..............page:5-8
..............page:98-101
..............page:110-113
Research on the Appropriate Technologies of Solar Energy in Residence of Towns
duan xu-sheng~1; xu yan-dong~2; liu xin-wei~3; li yong-chao~1(1.college of water conservancy and civil eng.; shandong agricultural university; taian; shandong 271018; china; 2.the 001 eng.co.ltd.; qingdao construction group; qingdao; shandong 266001; china; 3.the rongcheng inspection center of survey and design; rongcheng; shandong 264300; china)
..............page:114-116
..............page:117-119