This is the story of wildlife conservation in the age of mass extinction.
这是个关于在大规模的物种灭绝时代保护野生动物的故事。
Design and testing of these physical systems rely on standard design practices that employ the laws of conservation of force, mass, and energy.
这些物理系统的测试依赖于对作用力、质量和能量守恒定律的标准设计实践。
We invoke Dalton's Law of molar proportions, we write it subject to conservation of mass.
我们援引了摩尔分数的道尔顿定律，要服从质量守恒定律。
We write it subject to conservation of mass.
要服从质量守恒定律。
Even so, "it's very important to devote resources and legislation toward species conservation if we don't want to be the species whose activity caused a mass extinction."
尽管如此，“如果我们不希望成为物种灭绝的罪魁祸首，还需要在财政和立法上对物种保护进行大力支持。”
A finite volume method was utilized to perform a discrete solution for the equations of mass, chemical components, momentum and heat energy conservation.
利用有限体积方法对质量、化学组分、动量和热量守恒方程进行离散求解。
Based on the mass conservation law, the energy conservation law and some empirical equations, the dynamic model is built.
根据基本的质量守恒定律、能量守恒定律以及一些经验公式等建立了系统的动态数学模型。
Without the mass conservation constraints, glpsol prints this error to stdout like so.
如果没有这种数量守恒约束，glpsol就会将下面的错误打印到stdout上。
It accords with the results based on the law of mass conservation, and covers the current box models based on experience.
它不仅与由质量守恒定律求得的结果一致，而且包括了目前国内外根据实测或实验资料建立的多个箱型（经验）模式。
Conservation of mass, momentum, and energy are used to solve for the liquid film thickness, velocity, and temperature.
通过求解质量守恒、动量守恒、能量守恒方程，获得液膜厚度、速度与温度等参数。
According to the law of conservation of mass, the mathematics model of Modified-Atmosphere Packaging (MAP) is educed.
根据质量守恒定律和果蔬采后呼吸生理，推导出薄膜气调包装(map)的数学模型。
Conservation of mass, second Newton's law, and momentum law are introduced into traffic flow to set up traffic continuity equation, Euler's equation, and momentum integral equation.
应用物理学中的质量守恒定律、牛顿第二定律、动量定律等，建立了交通流的连续性方程、欧拉方程和动量方程；
According to conservation of mass, this article establishes a kind of mathematical model for the equation equilibrium of chemical reaction, and also gives its solution both by man and by computer.
本文根据质量守恒定律建立了一种配平化学反应方程序的数学模型，并给出了模型的人工解法和计算机解法。
The mass conservation equation, energy conservation equation, flow equation and heat transfer equation are described in this paper.
列出了描述蒸汽发生器模型的质量、能量守恒方程以及流量方程和传热方程。
The theoretical analysis and numerical tests both show that this model strictly obeys the conservation law of mass and momentum.
理论分析和数值试验的结果都表明，本模型严格地满足质量守恒定律和动量定理。
This paper reports a derivation of distribution by applying maximum entropy principle and conservation laws of mass, momentum and energy to atomization process.
论述了应用最大熵原理及质量、动量和能量守恒定律到喷雾过程中，导出了液滴尺寸和速度分布规律。
Evaporation quantum of liquid is expressed as mass source for vapor in vapor mass conservation equation, while it is dealt with mass sink for itself.
在建立多孔介质各相质量守恒方程时，液体蒸发量相对于蒸汽相而言为质量源，对液相本身而言为质量汇。
According to the law of mass conservation the incremental mass density can be inferred from the divergency of the scalar unperturbed mass density and the vectorial displacement field.
由质量守恒定律，质量密度增量来自未挠动的质量密度的散度和位移矢量场。
The method based on the mass conservation principle is a practical one to calculate the aerodynamic roughness lengthandzero plane displacement over tall vegetations.
基于质量守恒原理来计算高植被下垫面的动力学粗糙度、零平面位移是目前较为精确和实用的方法。
Based on principle of mass conservation, this paper sets up mathematical model of gas water two phase steady flow.
从渗流力学的基本原理出发，基于质量守恒原理，建立了气水两相地层稳定渗流的数学模型。
Based on the mass conservation principle, the production formula of semi-spherical flow for pseudo-pressure, pressure-squared and pressure are derived in this paper.
本文基于半球形流的特点，利用质量守恒原理，通过推导得到了由拟压力、压力平方和压力一次方表示的产量公式。
Mathematical models use volumetrics. Darcy relationships, and conservation of mass to describe the reservoir.
数学模型利用体积法、达西关系式和质量守恒原理来描述油藏。
The conservation laws of relativistic variable mass systems were studied.
研究相对论性变质量系统的守恒律。
The conservation law of mechanical energy in variable mass mechanical systems with ideal bilateral holonomic constraints is studied.
研究具有双面理想完整约束的变质量力学系统的机械能守恒律。
Based on mass, momentum, energy conservation and the theory of wellbore radius heat transmission, established fluid pressure and temperature distribution prediction mathematical models.
基于质量、动量和能量守恒定律及井筒径向传热理论建立了流体压力、温度分布预测数学模型。
It constructs a mathematic model to describe gas transient flow according to the mass, momentum and energy conservation law.
根据气体瞬变流动过程中所遵循的质量、动量和能量守恒定律建立描述气体瞬变流动的数学模型。
Combining discussion with true examples, this essay solves certain chemical exercises of Junior Middle School through the law of mass conservation flexibly.
文章论述与实例相结合，灵活运用质量守恒定律，解答具有一定难度的初中化学习题。
An expression is derived using basical concepts of physics ( i. e. mass conservation ), to define the relationship between sediment transport rate and vertical flux of sediment to the seabed.
从基本的物理概念和物质守恒定律导出了海底沉积物通量的计算表达式，应用该式取得了与实际海域相符的海底冲淤分布图。
The adiabatic capillary tube model was established based on energy conservation, mass conservation and momentum conservation equations.
基于能量守恒、动量守恒、质量守恒方程，建立描述绝热毛细管特性的数学模型。
On the basis of molecular diffusion Fick's law and principles of energy and mass conservation, a simplified model of frost growth on a surface is presented.
根据斐克分子扩散定理及能量、质量守恒原理，提出一种表面霜增长的简化模型。
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