power mechanics
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2.Using explicit time-integration method and penalty contact algorithm, the process of contact mechanics between multi-core wire bunch and pressure connected terminal was simulated dynamically, and by means of connection area of pressure connection, the stability of its electronic information or power transmission was evaluated indirectly.
3.This paper has probed into the synthetic mechanics of Grignard reagents under ultrasonic condition. This paper has studied preparation of Grignard reagents under phonochemistry and optimum technologic conditions is: the power of ultrasonic is 500W and frequency is 250KHZ, having twelve energy conversion devices, water bath temperature being 20C, solvent being THF,unstirred.
4.Abstract: To counter the ore-rock with different characteristics,the theory of wave mechanics on impacting machinery was used in combination with the results of digital emulation study of hydraulic hammer machine to obtain the output impact energy of hydraulic hammer apparatus and the power of the main engine of hydraulic hammer machine,thus providing the basis for proper selection of the hammerhead and chassis of hydraulic hammer machine.
5.To counter the ore-rock with different characteristics,the theory of wave mechanics on impacting machinery was used in combination with the results of digital emulation study of hydraulic hammer machine to obtain the output impact energy of hydraulic hammer apparatus and the power of the main engine of hydraulic hammer machine,thus providing the basis for proper selection of the hammerhead and chassis of hydraulic hammer machine.
6.Abstract: On the basis of the analysis about noise sources of the air compressor,it shows that air dynamic noise is primary one.According to the theory of fluid mechanics,the mathematics model of the air compreesor air dynamic noise is found,which shows the relationship between the sound power level and other parameters.The knowing noise of the air compressor"s air dynamic is of low frequencies.The reliable data is provided for the noise and vibration control.
