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Science china(Technological Sciences) 2010年第1期53卷 257-263页

作者： ZHENG Nan,YANG Ping,WANG QiYi,YANG ZhongHai & HUANG Nan Key Laboratory of Advanced Technology for Materials of Education Ministry,Key Laboratory of Artificial Organ Surface engineering of Sichuan,school of Materials Science and engineering,southwest jiaotong university,chengdu 610031,china 1. Key Laboratory of Advanced Technology for Materials of Education Ministry Key Laboratory of Artificial Organ Surface Engineering of Sichuan School of Materials Science and Engineering Southwest Jiaotong University Chengdu 610031 China

Microgrooves were prepared on Si(100) surface by photolithography and wet ***,Si-N-O films were deposited on the microgrooves by unbalanced magnetron sputtering(UBMS) and micro-patterned surfaces of Si-N-O films were *** size of the micropatterns was measured by surface *** chemical composition of Si-N-O films were characterized by X-ray photoelectron spectrometry(XPS) and the wettability of the micropatterned surfaces was evaluated by contact angle *** behavior of endothelial cells adhered on the micro-patterned surfaces,including cells adhesion,proliferation and orientation,was evaluated by cell culture test and Alamar blue *** results showed that the amount and activity of endothelial cells on micro-patterned samples were higher than those on flat *** one day's incubation,the cells were well guided along the *** days later,most of the cells grew across the grooves and contacted each *** activity was also much higher than that on flat *** was suggested that the adhesion and proliferation of endothelial cells could be effectively enhanced by micropattern method.

关键词： micropatterns Si-N-O film endothelial cell unbalanced magnetron sputtering

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用双旋转磁场理论分析罩极电动机性能

西南交通大学学报 1998年第3期33卷 328-332页

作者： Li Zongfang (school of Electric Eng., southwest jiaotong university, chengdu 610031, china) 西南交通大学电气工程学院

通过对罩极电动机的两个旋转磁场的分析，推导出总的电磁转矩公式，利用该公式就可得出罩极电动机的运行特性曲线，并计算其输入、输出功率、效率、功率因数等，文中提出的方法解决了罩极电动机由于结构复杂而难以进行完整的定量分析的... 详细信息

通过对罩极电动机的两个旋转磁场的分析，推导出总的电磁转矩公式，利用该公式就可得出罩极电动机的运行特性曲线，并计算其输入、输出功率、效率、功率因数等，文中提出的方法解决了罩极电动机由于结构复杂而难以进行完整的定量分析的问题。

关键词：旋转磁场罩极电动机 T-S特性

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隧道洞口景观设计实用方法和工程应用

铁道学报 2005年第1期27卷 132-136页

作者：关向群西南交通大学土木工程学院四川成都610031

提出了隧道洞口景观设计的实用方法及设计流程,并重点讨论了目前洞口景观设计的重要性和发展趋势;设计中如何采集洞口景观数据及如何利用洞口景观数据库;以及如何进行洞口景观点评价等在设计中应注意的几个问题。同时介绍该设计方法在... 详细信息

提出了隧道洞口景观设计的实用方法及设计流程,并重点讨论了目前洞口景观设计的重要性和发展趋势;设计中如何采集洞口景观数据及如何利用洞口景观数据库;以及如何进行洞口景观点评价等在设计中应注意的几个问题。同时介绍该设计方法在丹东至本溪公路隧道工程中的应用。

关键词：隧道洞口景观设计实用方法

Determination of ocean tide loading displacements in Hong Kong using GPS technique

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Science china Earth Sciences 2010年第7期53卷 993-1007页

作者： YUAN LinGuo1,3, DING XiaoLi1, SUN HePing2, ZHONG Ping1,3 & CHEN Wu1 1 Department of Land Surveying and Geo-Informatics, The Hong Kong Polytechnic university, Kowloon, Hong Kong, china 2 Key Laboratory of Dynamic Geodesy, Institute of Geodesy and Geophysics, Chinese Academy of Sciences, Wuhan 430077, china 3 Department of Surveying engineering, school of Civil engineering, southwest jiaotong university, chengdu 610031, china 1. Department of Land Surveying and Geo-Informatics The Hong Kong Polytechnic University Kowloon Hong Kong China3. Department of Surveying Engineering School of Civil Engineering Southwest Jiaotong University Chengdu 610031 China2. Key Laboratory of Dynamic Geodesy Institute of Geodesy and Geophysics Chinese Academy of Sciences Wuhan 430077 China

Ocean tide loading (OTL) displacements of eight principal constituents at 12 sites in Hong Kong were determined using more than eight years of continuous GPS observations. Parameters of the OTL displacements were estimated using daily GPS solutions obtained with precise point positioning (PPP) technique. The results were compared with predictions from seven latest global ocean tide models. Gravity measurements of OTL in Hong Kong were also used to validate the GPS results. The study shows that the results from both the GPS and gravity measurements agree best with the GOT4.7 and NAO99b models, when the K1 and K2 constituents are excluded. The agreements between the GPS and the model estimates are generally at sub-millimeter level in both the horizontal and vertical directions, except for S2, K2 and K1 constituents that have relatively larger errors. After removing the systematic biases between the GPS and the model estimates, the misfits of M2, S2, N2, O1, P1 and Q1 at all sites are within 0.5 and 1.0 mm in the horizontal and the vertical directions, respectively, whereas K1 and K2 show relatively larger misfits of up to 2.3 mm. Both the GPS and the gravity S2 estimates have large biases with unknown reasons when compared with the modeled values, which needs to be further investigated. The study demonstrates that GPS is capable of estimating the OTL displacements with the same accuracy as the model predictions, especially for coastal areas.

关键词： GPS ocean tide loading ocean tide model site displacement

An Intelligent Approach in Design Optimzation Based on Determining Constraints Compatibility

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Journal of Modern Transportation 1994年第2期11卷 95-103页

作者： Chen Yong Li Bailin(school of Mechanical engineering),southwest jiaotong university, chengdu 610031, china school of Mechanical engineering Southwest Jiaotong University Chengdu 610031 China

Based on monotonicity analysis and computer symbolic manipulating technique,a procedure for determining constraints compatibility in design optimization hasbeen proposed in this paper. By using the proposed method relationshipsbetween constrains can be determined and the optimization is greatly *** method is code with intelligent production systems.

关键词： design optimization, monotonicity analysis constraints compatibility ,intelligent optimization, symbolic manipulating technique

Theoretical calculation and experimental study of influence of oxygen vacancy on the electronic structure and hemocompatibility of rutile TiO_2

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Science china(Technological Sciences) 2009年第9期52卷 2742-2748页

作者： LEI YiFeng,LENG YongXiang,YANG Ping,WAN GuoJiang & HUANG Nan Key Laboratory of Advanced Materials Technology of Ministry of Education,Department of Materials Science and engineering,southwest jiaotong university,chengdu 610031,china Key Laboratory of Advanced Materials Technology of Ministry of Education Department of Materials Science and Engineering Southwest Jiaotong University Chengdu 610031 China

In this work,the relationship between electronic structure and hemocompatibility of oxygen deficient rutile TiO2-x was studied by both theoretical calculation and experimental study. Based on the local density functional theory,first-principals method was performed to calculate the electronic structure of rutile TiO2 with different oxygen vacancy concentration. In the range of less than 10% of (or equal) physically realistic O vacancy concentration,the band gap of rutile TiO2 increases with increasing O vacancy concentration,leading the TiO2 changes from a p-type to an n-type semiconductor. The valance band of TiO2 is predominated by O 2p orbital,while the conduction band is occupied by Ti 3d orbital for different O vacancy concentration. The O vacancy results in the occupation of electrons at the bottom of conduction band of TiO2,and the donor density increases with increasing O vacancy concentration. When materials come in contact with blood,the n-type semiconductor feature of oxygen deficient TiO2-x with the bottom of conduction band occupied by electrons would prevent charge transfer from fibrinogen into the surface of materials,thus inhibiting the aggregation and activation of platelets,therefore improving the hemocompatibility of rutile TiO2-x.

关键词： rutile TiO2 oxygen vacancy electronic structure hemocompatibility

A　New　Method　for　Calculating　Inverse　Involute　Functions　with　High　Precision

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Journal of Modern Transportation 1997年第1期14卷 70-72页

作者： Zhou Ruzhong school of Mechanical engineering, southwest jiaotong university, chengdu 610031, china

Two equations are presented for calculating inverse involute functions. Precise values can be obtained easily with an ordinary calculator.

关键词： inverse involute precision trigonometric function

An Iteration Method Based on Homotopy Function for Solving Polynomial Systems and Application to Mechanisms Problems

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Journal of Modern Transportation 1997年第1期14卷 37-44页

作者： Chen Yong Yan Jing school of Mechanical engineering, southwest jiaotong university, chengdu 610031, china

A new iterating method based on homotopy function is developed in this paper. All solutions can be found easily without the need of choosing proper initial values. Compared to the homotopy continuation method, the solution process of the present method is simplified, and the computation efficiency as well as the reliability for obtaining all solutions is also improved. By application of the method to the mechanisms problems, the results are satisfactory.

关键词： numerical iteration method homotopy iteration algorithm polynomial systems kinematic analysis and synthesis of mechanisms

AStudyofProbabilisticBalancingQualityofaMulti┐CylinderEngine

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Journal of Modern Transportation 1996年第1期13卷 51-60页

作者： Dong Dawei Tan Daming school of Mechanical engineering, southwest jiaotong university,chengdu 610031,china

This paper presents a method which uses a random model and adopts the Monte Carlo simulation method to analyze the randomness of the actual balan... 详细信息

This paper presents a method which uses a random model and adopts the Monte Carlo simulation method to analyze the randomness of the actual balancing quality of a multi cylinder *** uncertainties considered in the analysis are the reciprocating mass,rotating mass,connecting rod length,crank radius and crank phase angle of individual crank *** to the calculated results with respect to inertia forces and couples,the regularities of probabilistic balancing quality are discussed in detail,and some views are offered.

关键词： balancing quality probabilistic analysis multi cylinder engine

Method for predicting surface subsidence under excavating non-bedded shape room

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中国有色金属学会会刊：英文版 2005年第S1期15卷 208-212页

作者： LI Yong-shu, HAN Li-ping (southwest jiaotong university, chengdu 610031, china) SW jiaotong Univ Chengdu 610031 Peoples R China

The surface subsidence is caused by underground constructing, mining and excessively pumping groundwater. And disastrous accidents on unexpected collapse and landslide along bed plane probably occurred. Based on the stochastic medium theory and the methods for predicting ground point’s movements and deformations in any direction under folding structure strata and any shape rooms, the basic factors in varied geology and excavating were comprehensively analyzed. The formulas for predicting ground point’s movements and deformations were derived under excavating underground non-bedded shape rooms. Because the formulas for predicting surface subsidence can’t be integrated, the numerical integral method and the computer technique were adopted to calculate the values of integral equations.

关键词： non-bedded shape room excavating surface subsidence predicting