Modal Analysis on YT4135Z Diesel Engine Block
jing bing ying 1; zhou zhi li 1; guo zhi qiang 2 ( veh. & motive power eng. coll.; henan univ. of sci. & technol.; luoyang 471003; china; china first tractor co. ltd. luoyang 471039; china)
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Fuzzy Control and Simulation of Direct Current Servo Systems
xu su li 1; hao xi ping 2; zhang zi qiang 3 (1. electron. inf. eng. coll.; henan univ. of sci. & technol.; luoyang 471003; china; 2. med. technol. & eng. coll.; henan univ. of sci. & technol.; luoyang 471003; china; 3.mech. & electron. inf. eng. coll.; shanghai teach. univ.; shanghai 201418; china)
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Relation Between Spray Noise and Quality of Nozzle
li min 1; du hui yong 1; qi xiu li 2; liu jian xin 1; zhao jiang hong 3 (1.veh. & motive power eng. coll.; henan univ. of sci. & technol.; 471003 china; 2.henan diesel engine group co.; ltd; luoyang 471003; china; 3.luoyang vestibule sch.; luoyang 471079; china)
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Experiment on HighEffecient and EnergySaving Bionic Subsoiling Components
guo zhi jun 1; zhou zhi li 1; xu dong 2; zhang yi 1; niu yi 1; ren lu quan 3 (1. veh. & motive power. eng. coll.; henan univ. of sci. & technol.; luoyang 471003; china; 2. mater. sci. & eng. coll.; henan univ. of sci. & technol.; luoyang 471003; china; 3. inst. of bio. & agric. eng.; jilin univ.; changchun 130025; china)
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