定律

According to the tentative reaction equation from single molecular reaction theory and the second and the frist Fike's laws,the expression of the weight percentage and the diffusing thickness,was derived.

基于单分子反应理论假设反应模型，结合菲克第二、第一定律，得到质量分数与扩散厚度的关系式，以此研究了范围内液态锡与铁反应过程中锡的扩散厚度。

All human beings obey the first law of thermodynamics.

所有的人都在遵循热力学的第一定律。

The first law of thermodynamics states that energy can neither be created nor destroyed.

热力学第一定律说明，能量既不能被创造，也不能被破坏。

Week 9 Quantity of heat, work, internal energy in thermodynamics, first law of thermodynamics.

第9周 热力学的热量、功、内能；热力学第一定律及对理想气体等值过程的应用。

N The first law of thermodynamics gives a precise definition of heat.

热力学第一定律给热下了精确的定义。

Energy, work, heat and the first law of thermodynamics

第二章：能量，功与热力学第一定律

If your body is consuming fewer calories than it's expending, something's got to go (see God,"The First Law of Thermodynamics").

如果你的身体消耗更少的热量比它的花费，有什么地方去了（见上帝，他说："热力学第一定律"）。

With that, and other remarks about the conservation of work in water machines, he came quite close to the first law of thermodynamics.

就这样，和其他言论的养护工作，水机，他非常接近的热力学第一定律。

First law of thermodynamics states that energy can neither be created nor destroyed, but only transferred from one form to another.

P34 热力学第一定律阐述了能量既不能被产生、也不能被消灭，而只能从一种状态转变为另一种状态。

That something originated from nothing contradicts the first law of thermodynamics.

而且，宇宙这种"无中生有"的起源是与热力学第一定律不相符的。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。