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With the progress of science and technology, especially the rapid development of hydrodynamics, aerodynamics, CFD, computer automation control, new materials, ocean climate monitoring and prediction, etc, all these provide solid technical support for research and development of modern high-performance sailing and safe maneuvering and efficient operation of ships equipped with sailing[4].
As the development of science and technology, sailing ship is gradually being replaced by power ship.
[3] Xiaoping Lu, Guanpu Wei, Wenyu Zhang, In Chinese: Journal of naval university of engineering, 2008, 4, pp45-50

Experimental Section Materials and instruments.
Acknowledgement This paper was supported by the National science and technology Major project (2011ZX05024-004-01) .
References [1] Yuwu Zhao: A Study on Laboratory Experiment and Numerical Simulation of Nano-micron Polymer Flooding for Low-permeable Reservoir, Graduate School of Chinese Academy of Sciences, Institute of Fluid Mechanics seepage (2010).
[5] Xiaoguang Liu: Roperties and Mechanism of High mass Concentration polymer solution in sub-layers, Journal of Daqing Petroleum Institute vol. (2009), p.64-68.

University of Shanghai for Science and Technology, Shanghai 200093, China chwn1125@gmail.coma, xyz.haogao@gmail.comb, lhyang@usst.edu.cnc Keyword: hydraulic digital technology; hydraulic high-speed on-off valve; turbine governor; correction; injector.
In a technical point of view, digital high speed on-off valve technology contains materials science, electronic control technology, manufacture technology.
Journal of Shanghai Jiaotong University 2002(9) In Chinese

This feed material contained 93.20 wt% n-pentane insoluble asphaltenes, and the average molecular weight is 3960 by vapor pressure osmometry (VPO).
A commercial Ni/Mo on γ-alumina material supplied as 1 mm cylindrical extrudate was used in catalytic hydrocracking of the asphaltene feed.
Acknowledgements This work was financially supported by the Zhejiang Natural Science Foundation (Y4110276).
Gatwin: Oil & Gas Journal Vol. 74 (1976), p. 63 [2] Y.X.
Gray: Petroleum Science and Technology Vol. 25 (2007), p. 141 [13] K.

The development of thrusters with greater thrust and specific impulse was made possible by advancements in power supply, materials, and computer control systems.
The usefulness and efficiency of these propulsion systems have been demonstrated by prominent missions like NASA's Dawn spacecraft, which used ion propulsion to explore the asteroid belt, and the Mars Science Laboratory, which used a Hall-effect thruster to change course during its journey to Mars. 4.
Chinese Journal of Aeronautics, 2020. 33(12): p. 2999-3010
Plasma Sources Science and Technology, 2019. 28(6): p. 064003

Controllable of Underwater Towing Tension Passive Compensation Device Design Research Jing Meng1, a, Zhixin Chen2, b, Tao Jiang2, c and Zhiqiang Xu2, d 1Fishery Machinery and Instrument Research Institute, Chinese Academy of Fishery Sciences, Shanghai 200092, China; 2College of Engineering, Shanghai Ocean University, Shanghai 201306, China a328649878@qq.com, bchenzhixin@fmiri.ac.cn, c13473979@qq.com, d157500083@qq.com Keywords: Passive compensation, accumulator, the simulation analysis, tension control.
Acknowledgement The project funds: The project is supported by the national science and technology support plan (2013BAD13B02) (Research on the Key Technology of New Materials Ocean Energy Saving and Fishing Equipment).
Liu: Journal of Central South University, Deep Sea Mining Heave Compensation System Modeling and Fuzzy Control Simulation, Vol. 39 (2008) No.1, p.128-131

In the process of long-term continuous charging, to verify material life and stability of charging coupler, and other characteristics, it must test its internal heat generating components and the temperature-rise components.
When the current is too large or the temperature exceeds the alarm limit high front panel is lit red light charging interface material while the system beeps.
The test system has a strong anti-interference ability and stable work characteristics conducive improve staff operating flexibility, and analyze historical data, to further protect the power system the quality of the network of key equipment Acknowledgements This work was supported by the High Technology Research and Development Program (863 Program) of China (No. 2011AA11A279), the Science and Technology Project of National Energy Administration (No.NY20110702-1), and the Technology Project of State Grid Corporation of China in 2013-2014 (Project Name is Study of Testing and Detection Technology for Electric Vehicle Charging/Battery Swap Infrastructure).
Journal of Beijing Union University (Natural Sciences), 2010, 24(3): 33-37 [5] SUI Xiu-mei, YU Jie, LI Chun-yu.

Decolourization of Alizarin Red by Persulfate Shen-Xin, Lia Wei Hub Cheng-Duan, Wangc College of Chemistry and Pharmaceutical Engineering, Sichuan University of Science & Engineering, Zigong City 643000, Sichuan Province, China a lsx1964@sina.com bhuwei2113061@163.com cwcd@suse.edu.cn Keywords: Alizarin Red; Decolourization; Persulfat Abstract.The decolourization of dye wastewater by persulfate was studied using alizarin red as a model dye wastewater.
ACKNOWLEDGEMENTS The work was supported by the Opening Project of Key Laboratory of Green Catalysis of Sichuan Institutes of High Education(No.LZJ1102)and the. the Key Project of the Science and Technology Department of Zigong (No.10X01) References [ 1] Ge J, Qu J.
Jiang， Journal of Hazardous Materials . 164 （2009） 26–31

Sensitivity Analysis of Transient Load for Arch Dam Base on Finite Element Method LU Xue1,a *, SU Zhimin1,b, WANG Feng2, c, TIAN Zhifang1, d and ZHU Jianbing1,e 1Faculty of Electric Power Engineering, Kunming University of Science and Technology, Kunming 650500, China 2Cscec Aecom Consultants Co., Ltd., Lanzhou 730000, China alx838855962@163.com, byysdszm@163.com, cwffirst0007@163.com, dtianzhifang2010@sina.com, e553902730@qq.com *Corresponding authors.
The sensitivity analysis of arch dam using finite element method mainly includes sensitivity analysis of finite element meshes, sensitivity analysis of load and sensitivity analysis of material.
The setting of ANSYS is that load step is 12 months, substep is10 days and calculating model is ramped mode. 1.2 The transient reservoir water pressure This is the same as above for the model of arch dam, material parameters and meshing.
Gansu Science and Technology, 2008, 24(8): 107
Journal of Engineering Mechanics, 1999, 125(9): 1018-1027

Introduction As science and technology is getting increasing advanced, the application of computer image recognition and processing is getting more and more extensive, in particular the application of automatic image recognition.
References [1] SUN Jian-hua,ZHAO Yi,WEI Chun-rong,et al.The comparative experimental study of the porous materials suppressing the gas explosion[J].Procedia Engineering,2011,26(18):954-960
Chinese Journal of Minimally Invasive Surgery, 2008, 8(4):318-319.
Science and Technology Information (Academic Edition), 2008, (3): 106-107.