The axes are comprised of a generalized homologous temperature, the normalized kinetic energy flux, and the net film thickness.
坐标轴包括广义同系温度,标量化动能以及净膜厚度。
I increased the kinetic energy.
我增加了动能。
Kinetic energy after the collision.
碰撞后的动能。
Who thinks the kinetic energy has decreased?
谁认为动能减小了?
Who thinks the kinetic energy has not changed?
谁认为动能保持不变?
And who thinks the kinetic energy has increased?
谁认为动能增加了?
We know in life that friction takes kinetic energy out.
我们知道在生活中,摩擦力抵消动能。
Always in inelastic collisions do you lose kinetic energy.
在非弹性碰撞中,总是失去动能,能否在一次碰撞中,动能增加?
The acronym KERS stands for Kinetic Energy Recovery System.
KERS是动能回收系统的缩写。
the Dance Charger, which used kinetic energy created by dancing;
利用舞蹈产生能量的跳舞充电器(Dance Charger);
You can convert that to kinetic energy of rotation in your flywheel.
可以将其转化为,飞轮旋转时的,动能。
This kinetic energy is converted toheat as the fission products slow down.
如果裂变过程慢下来的话这种动能就转变为热能。
So kinetic energy is transferred from m and a to the vibrational loads of a.
那么动能从m和A转变,到a的振动载荷。
Now I wonder, what is the kinetic energy of the Earth in orbit around the sun?
我想知道地球绕太阳,公转的动能是多少?
There was no kinetic energy here to start with, and there was no kinetic energy there.
开始点,没有动能,这里也没有动能。
Now the energy that we're trying to capture is kinetic energy of these fission products.
现在,我们能够尝试获得的能量,就是这些裂变产物的动能。
It turns kinetic energy into heat, and that is perfectly fine in the work-energy theorem.
可以把动能转为热量,这点在功能定理,中是非常好的。
So another way to think about that is just the rotational kinetic energy of our electron.
或者,这样想,它是,电子旋转的动能。
The principle of braking is simple: slowing an object by removing kinetic energy from it.
制动原理很简单:通过降低动能使物体减速。
If I know the moment of inertia, then I know how much rotational kinetic energy there is.
若知道转动惯量我就能知道,转动动能是多少。
So you're using, then, the conversion of gravitational potential energy to kinetic energy.
所以你在利用,重力势能,转换成,动能。
There's a probability that that excitation is going to get turned back into kinetic energy.
有一个几率激发能将,变回动能。
And I want to know at this moment how much kinetic energy of rotation is stored in that disk.
我想知道现在,这个磁盘内蕴含,多少旋转的动能。
The energy in the vibrations could be transferred back to kinetic energy for a reverse process.
对于一个逆过程振动能,也能转变回动能。
So the kinetic energy has increased; the potential energy is the same, so the total energy is up.
所以动能增加,势能不变,所以总能量增加。
And the rotational kinetic energy can be consumed, then, at a later time, so it's very economical.
选择动能,会在之后一段时间,被消耗,非常经济的。
This is the kinetic energy for something in orbit at this radius, and this is the potential energy.
这是在轨道内这个,半径的物体的动能,这是势能。
And then, if you have the right device, you can convert back that kinetic energy into something else.
如果有合适的设备,就能把动能转换到其他物体上。
Then we have the conservation - of mechanical energy — the sum of kinetic energy and potential energy.
我们知道,机械能守恒定律-,动能和,势能的总和。
The kinetic energy from this movement is harvested to deliver charge at the same rate as a wall charger.
发电机利用这一运动过程中产生的动能来充电,充电速度跟壁式充电器一样。
应用推荐