Search results

In recent years, with emerging new technologies and new materials, technology and equipment for executing vacuum preloading technique have been greatly improved, providing fundamental conditions for the research and development of the underwater vacuum preloading technology to improve soft soils in tidal zones.
Dredging, pile driving building of cast-in-situ piles and placing of fill materials were carried out simultaneously with the implementation of underwater vacuum preloading and the stability of the slopes was ensured. .
Chinese Journal of Geotechnical Engineering, 2007（5）: 644-649
Tianjin construction science and technology, 2006,16(B07)：45-49
Chinese Journal of Rock Mechanics and Engineering, 2006(s2): 3490-3494.

Introduction Acoustics as a science may be defined as the generation, transmission, and reception of energy as vibrational waves in matters [1].
Its properties are material density: 7800 kg/m3, Young’s modulus: 200 Gpa, Poisson ratio: 0.3, thickness: 0.01 m, air density: 1 kg/m3, and wave velocity in air: 334 m/sec.
Arnold, “Parameter Estimation in Engineering and Science,” Wiley, NewYork, 1977
Hematiyan, “An efficient inverse method for identification of the location and time history of an elastic impact load,” Journal of Testing and Evaluation, Vol. 37, No. 6, Paper ID JTE102179, 2009

Psychological “adaptive theory” points out that the duration of material incentives is shorter than that of the spirit incentives.
Zhong-Ming Wang: Management Competence: A Structural Equation Model Testing, Psychological Science, Vol. 5(2002), p.513 [3].
Feng Ming, Ji Xiaoli, Fu Maohua:Manufacturing Sector Management Competence and Firm Performance of Chinese, Journal of Applied Psychology, Vol. 13(2007), p.347 [4].
Du Juan:Management Competence and Job Performance of Manufacturing and Service --- A Comparative Analysis, Social Sciences, vol.9(2009),p.46

Introduction Drilling histogram is the most basic and important geological maps, but hand-drawing consumes a lot of manpower, material and financial resources, not flexible and low efficient.
Which large Chinese character intelligent software system gather the most advanced graphics, images, geology, geography, Remote sensing, mapping, artificial intelligence and computer science, is that spatial information systems gather map input, database management and spatial analysis.There are five spatial entities: point, line, area, network, tables ,which were stored in different workspace.
[2] Chen Lianwu. 2002, Application of MapGIS in geological mapping , Journal of Xi’an University of Science & Technology.

The material of the liquid was chosen as pure water under the condition of 293 K temperature and 1 standard atmospheric pressure.
Acknowledgements This work is supported by the Zhejiang Provincial Natural Science Foundation of China (Y5090235) and Key Discipline of the Ocean Mechatronic Equipments Technology Foundation.
Jennings: Marine Fisheries Ecology (Oxford: Blackwell Science, U.K. 2001) [2] K.
Nichols: Journal of Computational Physics, Vol. 39 (1981), p. 201 [9] J.W.

Different kinds of magnetic fluid used in experiment are shown in Table 1 and The experimental results are shown in Fig.4 The material of the permanent magnet in the experiment is NdFeB, Br=1.35T, Hc = 1040 kA/m, (BH) max=320kJ/m3.
Acknowledgments The authors would like to thank the Science Research Foundation of Beijing Jiaotong University (50875017).
Gu, et al, Effect of the gap of magnetic fluid seal on seal capacity, Journal of Shanghai Jiao Tong University. 33 (1999) 380-382
Li, Theories and Applications of Magnetic Fluid, Science Press ed., Beijing, 2003 [15] C.

The study of fuzzy clustering analysis in the determination of assembly process for hull block module Bincheng Li1, a, Ying Liu2,b 1 School of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang212003, China 2 School of Mechanical Engineering, Jiangsu University of Science and Technology, Zhenjiang212003, China alibincheng2000@yahoo.com.cn, bjsfxyl@163.com Keywords: ship module; assembly model; fuzzy clustering analysis Abstract: The automatic design of hull block assembly process is a difficult point in the study of CAPP assembly, which will influence the construction period and quality in shipbuilding negatively.
The class of block The class of part module The class of component …… …… …… B1 C1 U11 P2 U21 P5 P6 P3 P4 P1 …… The class of unit …… Fig. 1 The hierarchy of ship module The attribute information of includes part number, part name, part type, part quality, part material, etc [1].
References: [1] Fan Kai Kong, Jia Tai Zhang, Yu Guang Zhong, Decision-making of assembly process for hull block module, The Journal of Naval Engineering University, 2005, 17(5)59-63

Introduction of the Experiments The foundation of sea bridge approach of Ningbo Xiangshan Port Bridge use steel pipe pile of which the diameter is 1.6m and material is Q345C.
(In Chinese) [3] Dai Yaping: Science and Technological Innovation Herald, Vol.19.(2008),p.53- 57 [4] Li Sen, Tang Mengxiong: Geotechnical Engineering Word, Vol.11.(2008),p.51 -66
[5] Xu Hongfa, Qian Qihu, Jin Fengnian: Chinese Journal of Geotechnical Engineering, Vol.22.(2000),p.622 -624
[7] Wang Yaoming, Xu Hongfa, and Wang Fajun: Site Investigation Science and Technology, Vol.5.(2007),p.8- 10.

Remote Monitoring Technologies of Performances of Battery Charger in Digitalized Transformer Substation Peiying Li1,2,a, Yutian Pan1,b, Yanqiang Ma3,c 1College of Mechatronic Engineering, North University of China, Taiyuan Shanxi, China 2Department of Physics & Electrical Engineering, Handan College, Handan Hebei, China 3Hebei Chuangke Electronics Science & Technology Ltd.
This system reduces the manual mis-operations to the largest extent in fieldworks, provides a strong guarantee to the safe operation of DC power system, avoids personnel’s fatigue of commuting to the spot, saves a great deal of human resources, material resources and financial resources, improves personnel’s work efficiency.
[2] Xiaomei Lin, “The Implementation of DC Monitoring System in Substation,” SCIENCE & TECHNOLOGY INFORMATION, No.01, pp. 131, Jun. 2009
[6] Pindong Sun, “Charging System for Series Connected Battery,” JOURNAL OF NANJING NORMAL UNIVERSITY (ENGINEERING AND TECHNOLOGY), Vol. 6, No.1, pp12-16, Mar. 2006.

Validation experiments are performed on the vertical machining centers with the HSK63A spindle shank installed face milling cutter produced by Kennametal, and work-piece material is aluminum Al7050.
Acknowledgements The authors would like to acknowledge the financial support by the National Natural Science Foundation of China (51375272, U1201245), and the Major Science and Technology Program of High-end CNC Machine Tools and Basic Manufacturing Equipment (2014ZX04012-014).
Kim, Optimization of feedrate in a face milling operation using a surface roughness model, International Journal of Machine Tools and Manufacture. 41(2001)451-462