...t i i dt m e dt m e W Q E 2 1 2 1 ' ' 3、开系流动过程的能量平衡 上式中 流动功是迫使物质通过开系所作的功 轴功(Shaft work)是开系与外界通过机械轴所交换的功 由上面三个式子及 h = u + pv 得开系流动过程能量平衡 式 s f W W W ' dt m v P ...
To make the shaft turn, the muscles work in concert, rhythmically contracting, one pair after another.
为了使传动轴转动,所有肌肉必须协调一致,一组接一组有节奏地收缩。
2
The mean value of work loads on a shaft bearing of swivel and rotary table is determined by basic principles of fuzzy theory, considering the loads' fuzziness and the requirement for reliability.