Overview & Comment

The Application Status and Development Prospects of High Pressure Water Jet Technology ................ CHENG Xiao-rui,et al(1)

Risk Identification and Management on Pressure Plugging Technology for Nuclear Power Plant ...... SUN Chuan-fu, RUI Shou-long(6)

Design & Research

Structural Design of Super-long Stroke Hydraulic Cylinder.................................LI Yang,et al(11)

Design and Research on Loading and Unloading Hydraulic Control System of Torque Converter Rolling Riveting Machine........... PAN Wen-hong(13)

Technical Improvement Base on Closed Electro-hydraulic Servo System Pressure Relief Process .............. TANG Li,et al(16)

Design and Synchronization Control Characteristics of TBM Hydraulic Propulsion System ........ WANG Ping-hao,et al(21)

Research on Hydraulic Pump Constant Power Control by Changing the Rotating Speed ...... TANG Wei-ding(26)

Study on Position Adaptive Control of Single Leg Valve Control Cylinder for Hydraulic Four-legged Robot ....... WANG Bing-kai(29)

Design and Analysis of a Double-tuned Extended-tube Expansion Chamber Hydraulic Noise Suppressor Integrated a Herschel-Quincke Tube .........YANG Fan, DENG Bin(34)

Design of Wind Power Wheel Tooling System...................................................WANG Fei(41)

System & Application

A Hydraulic System for Fine Operation of Engineering Machinery .................... HU Yong,et al(44)

Test-system for the Certain Type of Electromagnetic Directional Valve ............ZHAO Fang,et al(46)

Analysis and Research on Dynamic Characteristics of Hydraulic Hybrid Electric Vehicle ...............LIN Su-min,et al(49)

Programmed Calculation and Practical Study of Displacement Area Characteristics of Valve Core Opening ................MO You-yu(54)

Design of the Hydraulic Hoister..........................................YIN Yu-mei, TIAN Dong-liang(58)

The Design of a Shovel Flap Hydraulics System for Mining Hydraulic Excavator ............LV Xiao-lin(64)

Uncertainty Analysis and Evaluation of Measurement Results for Spring Tube Pressure Gauge ............... YE Jia-xing,et al(67)

Fatigue Life Analysis of Reciprocating Seals for Water Jet Supercharge...............CUI Xin-wei,et al(70)

Problem Analysis and Resolve of Hydraulic Cylinder with Drain Ball-lock ..................................... WU Jian-sheng,et al(74)

Operation & Maintenance

Analysis and Countermeasure on resetting failure of 2D Electromagnetic Directional Valve .............. ZHU Deng-kui,et al(61)

Application and Fault Analysis on Hydraulic System of Insulating Paper Tube Hot Pressing Machine ...... XIA Xue, ZHANG Ming(77)

Focused on Pneumatics Technique

Simulation of Minimum Precharge Pressure for Fast Reactor Gas Liquid Linkage ............... ZHANG Wei-rong, ZHANG Liang(80)

Discussion on Control Scheme of Pressure Flow for Air Source Subsystem ..................... LI Xiu-zhong, YAN Hua-ru(83)

Measures on Strengthening Anti-seismic Performance for Nuclear Grade Direct Stroke Pneumatic Actuator .............. YANG Ya-dong,et al(86)

Comparative Analysis of Two Typical Connector Auto-docking Devices ........................ZHAI Wang,et al(89)

Design of Air Cushion Transfer Vehicle for Heavy Equipment..........................YUAN Guang-hong,et al(93)