TONG Min-shu , GENG Yi-ren , XIN Xiao-ke
2000, 22(5):1-6. DOI: 10.11835/j.issn.1674-4764.2000.05.001
Abstract:To analyze and design multivariable control system by modern frequency domain method, there should be a transformation of an arbitrary polynominal matrix into Smith's canonical form. This paper discusses the treating method and technique in programming and gives a N-S flow diagram of program to transform an arbitrary polynominal matrix into Smith's canonical form. Two transformed and applied examples show, that the program is correct, simple, useful and has good suitability. It is applicable to frequency-domain analysis and design of multivariable system.
2000, 22(5):7-12. DOI: 10.11835/j.issn.1674-4764.2000.05.002
Abstract:This paper deals with the minimization problems of cone preinvex set valued functions in the topological vector space .The optimality conditions for vector optimization of cone preinvex set valued functions are obtained.
WANG Jian-bing , YAO Jia-fei , CHEN Jin
2000, 22(5):13-16. DOI: 10.11835/j.issn.1674-4764.2000.05.003
Abstract:With improvement of construction management and development of computer and network technologies, network technologies are being widely applied in building engineering. This paper discusses how to apply database technology and network technology to design and develop information network systems of building engineering and combine the advanced management methods with computer network technology to share the quality information in construction industry. The solution given by this paper is useful and can be extended to and used in other systems.
FU Jian-ping , ZHANG Chuan , ZHONG Shu-sheng
2000, 22(5):17. DOI: 10.11835/j.issn.1674-4764.2000.05.004
Abstract:The current analytical method on bi-directional shearing capacity of RC framed columns, the so called "over strength factor method", in the drafting "Design Code of RC structures", is carefully investigated. Limits of this method are presented and suggestions are put forward to modify it. On this basis, the simplified tri linear analytical method to determine bi directional shearing capacity is presented afterwards and the error of this method is given. Finally, the cases of design and check of the two methods are illustrated.
JIAN Bin , QIN Shi-hong , LI Tang-nin
2000, 22(5):23-26. DOI: 10.11835/j.issn.1674-4764.2000.05.005
Abstract:Around the reconstruction design of the Popular Science Image Building of the Southwest Hospital, the advantage of prestressed concrete frame used in the rebuilding was approved. At the same time, the problem in the prestressed frame design was pointed out. In the end, the method to decrease the moment in the column had been put forward.
2000, 22(5):27-31. DOI: 10.11835/j.issn.1674-4764.2000.05.006
Abstract:Based on the conception of green building, this paper discusses the effect of curtain wall in adjusting the interior environment quality, reducing building energy consumption, and emphasizes the curtain wall technology in natural lighting, natural ventilation, as well as building energy efficiency.
2000, 22(5):32-35. DOI: 10.11835/j.issn.1674-4764.2000.05.007
Abstract:In this paper the author briefly introduced the theory of K.Frampton's critical regionalism and its background, and analyses its influence on modern architecture in Taiwan, which is divided by the native regional skill and half bread regional skill.
2000, 22(5):36. DOI: 10.11835/j.issn.1674-4764.2000.05.008
Abstract:With the view of building and environment sustainable development, the traditional measures of solar heat control for buildings in the south area were analyzed and their effect on the urban environment was discussed. This paper shows the importance of urban planning and environment planning on solar heat control for buildings.
GUO Wei , REN Hong , ZHANG Shi-lian
2000, 22(5):39-44. DOI: 10.11835/j.issn.1674-4764.2000.05.009
Abstract:以国有建筑业企业为代表,建立了国有建筑业企业的生产函数,得出了规模报酬递增和资本及劳动两生产要素对产出拉动作用都很大的结论。利用技术进步度量理论对国有建筑业企业的产出增长率作了分解分析,得到了外延产出占支配地位和科技进步只有16.4%的贡献率以及存在明显规模经济的结果。
2000, 22(5):45-48. DOI: 10.11835/j.issn.1674-4764.2000.05.010
Abstract:By means of analyzing the relationship among fixed cost, variable cost and the scale of property management, using the break even analysis to deliberate the least scale of property management with no loss. On this basis the proposals on scale operation were put forward.
2000, 22(5):49. DOI: 10.11835/j.issn.1674-4764.2000.05.011
Abstract:A full scale experiment was conducted on the start up of bio filter for advanced wastewater treatment. Under the low or high organic loading rate condition, the lasted time of starting up, primary contamination removal efficiency and influence of following operation were contrasted in the duration of bio filter starting up. Meanwhile, the starting up characteristics of the bio film were analyzed.
LIU Zhan-guo , ZHOU Qi-guo , LIAO Shu-jiang
2000, 22(5):53-58. DOI: 10.11835/j.issn.1674-4764.2000.05.012
Abstract:This paper gives a simple introduction about artificial intelligence (AI) and distributed control system (DCS). It suggests an idea of intelligent distributed control system (IDCS), moreover, in this paper, the hardware composition and the software composition of IDCS were provided.
2000, 22(5):59-63. DOI: 10.11835/j.issn.1674-4764.2000.05.013
Abstract:At present the contradiction between the supply and demand of the commercial real estate becomes more and more acute. There are two sides of unbalance, one of them relates to the total amount about the supply and demand, the other relates to the structure of them. Either of them can block the circulation of the market and restrict the development of the real estate if any inconsistency happened. The most important reason, which results in the disharmony, in the author's opinion, lies in the inefficiency of the price mechanism in real estate market.
2000, 22(5):64-67. DOI: 10.11835/j.issn.1674-4764.2000.05.014
Abstract:This paper deals with the adjustment of broom's speed of the sweeper. The Fuzzy control theory was utilized to study and design of the Fuzzy Controller.
WU Li-ping , PAN Yong-qiang , REN Hong
2000, 22(5):68-73. DOI: 10.11835/j.issn.1674-4764.2000.05.015
Abstract:When the market comparison approach is operated in real estate appraisal, the puzzle, how to select the most similar instances in many comparable instances, is confronted. In this paper, how to apply the fuzzy pattern recognition to solve the puzzle is explored. This paper has threefold: 1) to review and introduce some conceptions about the fuzzy pattern; 2) to discuss how to establish the fuzzy pattern recognition's model for selecting comparable instances and 3) an example is used in the model to testify it's reliability and scientific nature.
PENG Jia-hui , ZHANG Jian-xin , WAN Ti-zhi , TANG Ling , CHEN Ming-feng
2000, 22(5):74. DOI: 10.11835/j.issn.1674-4764.2000.05.016
Abstract:The economic and effective pretreatment is a key to its recycling into useful building materials. The pretreatment such as washing, neutralizing with quick lime, grinding, floating, screening, calcination etc. have been studied. The effectiveness, problems and feasibility of pretreatment are analyzed. This paper presents the pretreatment principle of phosphogypsum utilization. If the phosphogypsum utilized is more than hundred thousand tones per year, the washing technology is recommended, otherwise, the technology of neutralizing with quick lime and grinding should be chosen.
HE Qiang , LI Hui-peng , LONG Teng-rui
2000, 22(5):79-83117. DOI: 10.11835/j.issn.1674-4764.2000.05.017
Abstract:Geographic information systems (GIS) have been widely used in the field of city science. Its timely, accurate and friendly displaying methods have been won more attention from the decision makers. In this paper, several problems,such as system objects, system compositions, and system designing methods etc., were discussed and some suggestions were presented. Three examples were illustrated at the end of the paper.
PU Qing-ping , REN Hong , ZHANG Guo-min
2000, 22(5):84-89. DOI: 10.11835/j.issn.1674-4764.2000.05.018
Abstract:In the essay,the unvestigator will clarify the practical value, the functions and feasibility of securitization in the big development of Western China by analyzing its meaning,operating process,and its financing features and advantages.
2000, 22(5):90-94. DOI: 10.11835/j.issn.1674-4764.2000.05.019
Abstract:PFI is one of the novel approaches for the private finance in public works. The initiative aims on encouraging the private sector to undertake infrastructure projects and the provision of services on a project basis, rather than by the traditional means of procurement. PFI has been widely applied in a large number of fields in public works of government. PFI has become one of the government's main instruments for delivering higher quality and more effective public services. Two of the principal tenets of PFI is: the first is to secure value for money for the public sectors and the second to transfer the ongoing risk in the continued delivery of a service away from the public sector to the private sector.
ZHU Zhu , LI He-ping , ZHENG Ze-gen
2000, 22(5):95-101. DOI: 10.11835/j.issn.1674-4764.2000.05.020
Abstract:The immobilization cell technology is a new biological engineering technique. The key for this technology is the characteristics of the immobilization supporter materials used. In this work, the categories and characteristics of the supporter materials in this technology are presented. The applications of the immobilization supporter materials in environmental pollutant treatment are also reviewed.
2000, 22(5):102-106. DOI: 10.11835/j.issn.1674-4764.2000.05.021
Abstract:Based on the calculation procedure of dynamic coordinate method, the examples in this paper prove, that the first-order stress of thin-wall member is easily calculated with the new method and that a new method of first-order analysis is easily comprehended.
2000, 22(5):107-110. DOI: 10.11835/j.issn.1674-4764.2000.05.022
Abstract:This paper presents the class of high effective locations and its addition, subtraction, multiplication, division, involution and factorial by the object-oriented programming.
2000, 22(5):111-117. DOI: 10.11835/j.issn.1674-4764.2000.05.023
Abstract:In this paper the general engineering situation of Zunyi TV Building was presented. Then, the determination of indoor design parameters, selection of cooling and heating loads of air conditioning and cold and heat sources units, design of air conditioning systems, control of air speeds and forms of air distribution, control of device noises of air conditioning and decrease of vibrations were introduced.
2000, 22(5):118-121. DOI: 10.11835/j.issn.1674-4764.2000.05.024
Abstract:In this paper the synthesis of P-M 0 Phenolic-formaldehyde resin have been studied and technological parameters have been determined with orthogonal experiments. Furthermore the optimum technology for he synthesis of P M 0 Phenolic formaldehyde resin have been obtained.
You are the visitor
ContactAddress:重庆市沙坪坝区沙正街174号,重庆大学A区
Postcode:400045 Fax:
ServiceTel:023-65111322 E-mail:xuebao@cqu.edu.cn
Copyright: ® 2024 All Rights Reserved