the fundamental principle of physics that the total energy of an isolated system is constant despite internal changes

based on the law of conservation of energy and related theory, build up the respiration-evaporation models of fruits and vegetables.

根据能量守恒定律及相关理论，建立气调包装中果蔬产品的呼吸蒸发模型。

according to the law of conservation of energy heat equivalent to that which is required to change a solid into liquid must be given out when the reverse change takes place.

根据能量守恒定律，液体变为固体时放-出的热量必定等于该固体变为液体时所需的热量。

the paper analyses and discusses these two phenomana with respect to the law of conservation of energy and momentum.

本文对与之相应的动量守恒问题和能量守恒问题进行了分析和讨论。

the universality of the law of conservation of energy was not generally accepted until 1847.

能量守恒定律的普适性直到1847年才得到公认。

the expression of aspheric surface is obtained by solving numerically equations based on law of conservation of energy and refraction law by mathematical software.

根据光束传输的能量分配守恒法则和折射定律建立方程组，通过数学软件数值求解方程组，解得非球面矢高表达式。

a theoretical calculating method for rotor torque based on law of conservation of energy was presented in this paper. precise comparison between experimental and theoretical res…

这里基于能量守恒原理导出了一种转子扭矩的理论计算方法，并依据试验数据对此方法进行了精确的比较分析，最后给出计算实例。

in the science of conservation of energy, the law of conservation of energy is accounted for ruling and leading position.

在能量守恒科学中，占统治与主导地位的是能量守恒定律。

from the principle of symmetry, law of conservation of energy is proved. and have a simple geometric express for time translation symmetry and conservation of energy.

从对称性原理出发，证明了能量守恒定律，并对时间平移对称性与能量守恒作了简单的几何表述。