The system basing on the software of Pro/E and the theories and requests of crankshaft design, the soft of VC++6.0 is as a tool, the Pro/TOOLKIT is as a mean, so Pro/E、 Pro/TOOLKIT and MFC can communicate by DLL.
To ensure the safety and rationality of the behavior of the bridge and also to verify the reliability of its design and calculation theories,the 1/10 scale model tests have been carried out.
The system is based on the software of Pro/E and the theories and requests of crankshaft design, the software of VC++6.0 is as a tool, the Pro/TOOLKIT is as a mean, so Pro/E? Pro/TOOLKIT and MFC can communicate by DLL.
The methods for the earth pressure calculation and for the design of the supporting structures in deep foundation pit are analyzed in detail, and the difference is compared between the traditional methods and the modern ones, it safely concludes that the modern methods overmatch the traditional ones.
In this paper, we have suggested the following formulas for determining the total radiation (Q + q), the direct radiation (Q) and diffused radiation (q) :The value of effective outgoing radiation is given by E = E0(I - cn) The equation of heat balance for the land is R + LB + QA + P = 0 For annual period the heat balance equation is simplyE + LB + p = 0Using the routine meteorological observations of more than 300 stations, we have calculated with the formulas as mentioned above the amounts of the radiation...
A special tool is introduced here to measure the curved object radius of the horizontal oil tank and railroad tank car.The article gives much space to principle, structure and design of the instrument,the theory of calculation and the analysis of its error,with a brief of the way to measure a curved object's radius, the scope in which the radius triangle instrument is applicable, and the measuring accuracy followed by a few words for its proper operation.
The correcting performance of the medium and small throttles in No.Ⅱ oil spraying pump becomes poor.This is a problem put forward in production and utilization.It was proved through the analysis of structurac features and correcting process deduction of relation equations of the “acting point”/revolution speed/cycle of oil supply/ position of throttle/theoretical analysis and test that the original corrector of No.Ⅱ oil spraying pump reduces its correcting oil as the size of opening of the throttle becomes ...