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In the input indicators, total assets (X1) is economic scale factor of listed companies in road transportation industry and the most stable material foundation of economic benefits, and has some character of regional monopoly, which can reflect the status of resources allocation.
(Renmin University of China Press 1988) [2] Z.C.Jun: Journal of Highway and Transportation Research and Development Vol.12(1994), P.44-50
Anhui Agricultural Science, Dec. 2007

The influence of hot rolling process on the performance of HG70C Qi-chun Peng1,a, Sheng Peng1,b, Dan-ping Fan1, Kai Chen1, Ju-zhong Li2, Wei Li2 1Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education, Wuhan University of Science and Technology, Wuhan 430081; 2Wuhan Iron and Steel Corporation, 430080 aemail: pengqichun1964@163.com, bemail: 316291960@qq.com Keywords: HG70C; Yield strength; Tensile strength; Under pressure; Banded structure;Martensite Abstract.
Experimental material Take low alloy high strength steel HG70C casting blank sample in a steel mill, the HG70C smelting process for: 250t converter-RH refining-CC-hot rolling.
Welding Journal. 2004.25 (3): 117~120.

3 Fourier Transform Infrared Spectroscopy (FTIR) Study of ACQ-D Treated Chinese Fir with Different Post-treatments Lili Yu, Xiaojun Ma1, Lizhi Zhu1 College of Packaging & Printing Engineering Tianjin University of Science & Technology, Tianjin, 300222, China Dagu SouthRoad1038, Hexi District, Tianjin, China, 300222 e-mail: yulilucky@tust.edu.cn Keywords: Chinese Fir (Cunninghamia Lanceolata Hook.), ACQ-D, Copper Leaching, Copper Conversion, Post-Treatment Abstract.
Material and Methods ACQ Treatment and Post-treatments Sapwood of Chinese fir (Cunninghamia lanceolata Hook.) from Sichuan province, China, was used to make wood samples.
European Journal of Wood Products, 67:457–463 [5] Ruddick J (2003) Basic copper wood preservatives, preservative depletion: factors which influence loss.

Yapa Mudiyanselage1,b, Seung Yup Jang1,2,c, Adam Morgan2,d, Woongje Sung1,e 1College of Nanotechnology Science and Engineering, University at Albany, State University of New York, Albany, New York, 12203 USA 2NoMIS Power Corporation, Albany, New York, 12203 USA asdeboer@albany.edu, bdyapamudiyanselage@albany.edu, csjang3@albany.edu, dadam.morgan@nomispower.com, ewsung@albany.edu Keywords: 4H-SiC, MOSFET, Channel Density, Layout Design.
Introduction 4H-SiC's superior material properties enable thinner, more heavily doped drift layers that can withstand high breakdown voltages, resulting in lower specific on-resistance (Ron,sp) and making unipolar devices more viable compared to silicon-based counterparts.
Sung, “An Inclusive Structural Analysis on the Design of 1.2kV 4H-SiC Planar MOSFETs,” IEEE Journal of the Electron Devices Society, vol. 9, pp. 804 - 812, Sep. 2021.

It can also be influenced by large and medium sized cities and receive human flow, material flow, information flow and industry transfer, which help realize resource sharing, economical cooperation and multi-directional exchange.
With tourism agriculture as the character, tourism as the core factor, a new tourism product of tourism agriculture is to be built where one can appreciate the scenery of fruit-bearing forest, receive popular science education and enjoy leisurely picking.
This project combines innovative agriculture, eco-agriculture, conference and exhibition agriculture, green agriculture,, leisure and sightseeing agriculture, develops in a intensified, scaled and industrial way; it plays a significant role in furthering the agricultural and rural economic development of the entire city and entire region, facilitating industrial operation of modern urban agriculture, promoting agriculture development via science and technology and conversion of agricultural technological results, pushing forward optimization and upgrade of agricultural industrial structures, developing productive, quality, efficient, ecological and safe agriculture with great efforts, constructing modern urban agricultural system, developing new functions of agriculture with great efforts, actively developing leisure and sightseeing agriculture, and increasing income of farmers.
(In Chinese) [4] Li Liangdong, Discussion and Analysis of Planning of Eco-tourism for New Countryside, Popular Science and Technology[J], 2011（3）:92-94 (In Chinese) [5] Zhang Jie, Development Strategy for the Eco-Tourism of Yunnan on the Basis of SOWT Analysis, Jiangxi Agriculture Academic Journal[J], 1995（2）: 211-214 (In Chinese)

AUV buoyancy regulating device design and simulation analysis Rong Zheng1, a, Yu Wang1,2,b and Jianguo Wu1,c 1 The State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China 2University of Chinese Academy of Science, Beijing 100049, China azhengr@sia.cn, bwangyu1@sia.cn, cwujg@sia.cn Keywords: AUV, buoyancy regulating device, measuring accuracy, sensitivity analysis, AMESim simulation Abstract.
Step 1, import the solidworks 3D models of press hull and flange into workbench and assign the Aluminum material properties to the geometries; step 2, the meshing, generate the grid division with medium mesh level; step 3, define restraints and loads: fix the edge of the pressure hull and flange, apply outward pressure of N/m2 (1.2 times of the maximum pressure AUV can withstand) on the pressure hull’s inside and the flange’s middle area; step 4, post processing to get results.
Acknowledgment This work was supported by Natural Science Foundation of China Project(51109205).
International Journal of Offshore and Polar Engineering, Vol 18(2): p. 81-90(2008) [7] Zheng Rong, Chang Hailong.

Acknowledgment This work was supported by National Natural Science Foundation of China(No. 11272021), Beijing Natural Science Foundation(No. 1122007), Beijing Nova Program(No. 2008A015), General Program of Science and Technology Development Project of Beijing Municipal Commission of Education(No.
He, “Experimental study of structural health monitoring for pipeline flange based on electromechanical impedance,” Journal of Experimental Mechanics, Vol. 25, pp. 516-521, October. 2010.
Rogers, “Coupled electro-mechanical analysis of adaptive material systems - Determination of the actuator power consumption and system energy transfer,” J.

Fig. 4 X-displacement contour of landslide under Reservoir water-level 145m As shown in Fig.5, at the initial water level of 145m, at the foreside, backside and local central part, the obvious changes of slope belt and material property have led to greater strain at X Direction.
Acknowledgement This study was supported by the National Natural Science Fund of China (No.40872175) and National Basic Research Program of China (973 Program)( No.2011CB710604).
The Proceedings of the China-association for Science and Technology. 2(2005), pp139-143 [7] Hu, X.
Earth Science-Journal of China University of Geosciences. 32(2007),pp403-408

In process of continuous processing, fabric often require the input and output speed of each unit is consistent, otherwise it will make the fabric prolapsed or pull too tight so that the wound roll or broken material.
The polling communication optimization algorithm flow chart between S7-200 and MM440 inverter Acknowledgment The author wishes to thank the previously provided technical supported by science scheduled project of Zhanjiang which code is 2011C3108007 and 2011C3108008.
Diblik, “Implementation of Siemens Uss Protocol into Labview”, Journal of Laboratory, vol.16, 2011, pp.347-354
Fernandez, “SCADA systems: vulnerabilities and remediation”, Journal of Computing Sciences in Colleges, vol.20, 2005, pp.160-168
[18] Saru Sehgal, Vikas Acharya, “Effect of PLC and SCADA in Boosting the Working of Elevator System”, Electrical and Computer Science, 2014 IEEE Students’ Conference, 2014, pp.1-6

Test Materials and methods sources and basic properties of the sludge.
The rate of Fe2+ This test uses Fe2+ as a mixture of Thiobacillus part of energy material, Fe2+ oxidation rate in direct response to microbial growth activity.
[2] bioleaching removal from sewage sludge in Cu, Zn, Ni [3] Zhou Lixiang, Shen Qirong, Chen Tongbin, heavy metal and nutrient elements in city sludge mainly fractions in the distribution and chemical speciation, Journal of Environmental Sciences, 2000, 20 ( 3), 269-174 [4] Huang Ming.