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25 August 1986, Volume 5 Issue 4 Previous Issue    Next Issue

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Dislocation and Dechanneling Behaviour of Particle in Planar Channel Luo Shiyu, Shao Mingzhu, Liu Zengrong 1986, 5(4): 1-7.  Abstract ( )   PDF (381KB) ( )   This paper adopts the effect of the dislocation of channeling particle, which simulates as the bend crystal, to consider dechanneling effect of bend with constant curvature and introduce sine-squared potential so as to reduce the motion equation into pendulum equation with the δ-moment. Besides the characteristics of phase plane was analyzed by energy method, the dechanneling coefficient was derived. Related Articles | Metrics

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Integrals of Lipschitz-Hankel Type and Its Application in problems of Semi-Infinite Elastic Media Wang Kai 1986, 5(4): 12-31.  Abstract ( )   PDF (971KB) ( )   A set of formulae for calculation of the integrals of Lipschitz-Hankel type is introduced in this paper. Using these formulae, the computation of stresses,strains and displacements in semi-infinite elastic media under the action of four typical loads distributed on circular area has been carried out. The partial calculation results with computer program are given at the end of this paper. Related Articles | Metrics

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State and development of design and theory on the composite steel beams Chen Zhongyan 1986, 5(4): 32-41.  Abstract ( )   PDF (694KB) ( )   The application of the composite steel bridges was originated from Europe,and developed in 50's. Recently,the composite steel beams are widely used in Cable-stayed bridges again, and paid atteutions by engineering field. This paper briefly reviews and introduces various design theories of the composite steel beams on developement as well as state. Discussing computing results and its developement, several new views are proposed finally. Related Articles | Metrics

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DISCUSSION ON AUTOMOBILE AESTHETICS Shao Yiming, Wang Jian 1986, 5(4): 92-100.  Abstract ( )   PDF (757KB) ( )   This paper systemic ally deals with the automobile design. How to handle the relations between the functions and aesthetics has been one of, the factors effected the competition and market of vehicle. When he designs an automobile, the designer should consider the space and dynamic character of vehicle,colour and aesthetics, as well as the principle of optical illusion. Transfering the skill in other arts into the automobile design will aid to form and develop the critia and rules of attic design. Related Articles | Metrics

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Gasoline Injection System and Layer-built Combustion of Gasoline Engines Wen Houhong 1986, 5(4): 105-111.  Abstract ( )   PDF (517KB) ( )   This paper presents a principle and several kinds of typical construction of which gasoline injection system achieves layer-built combustion with gasoline. In recent years,some countries adopt layer-built combustion with gasoline in order to achieve high power, low fuel consumption and low exhaust pollution. It mainly points out how to achieve this goal in gasoline injection by electronic-control. Related Articles | Metrics