查询词典 momentum conservation law

A mathematical model that describes the transient flow is developed based on the conservation law of mass momentum and energy followed in the course of transient flow process of gasliquid phases.

根据气液瞬变流动过程中所遵循的质量、动量和能量守恒定律，建立了描述气液两相瞬变流动的数学模型。

A dynamic process occurring in an isolated system at rest in the frame S was verified in the frame S' moving relative to the frame S, whether at the same instant of the frame S or at the same instant of the fame S', neither of the dynamic results satisfied the requirement of the law of conservation of momentum.

对于一个在S参照系中静止的孤立体系发生的动力学过程，在与S参照系相对运动的S'参照系中检验时，无论是在S参照系中的同一时刻，还是在S'参照系中的同一时刻，这个过程的动力学结果都不满足动量守恒定律的要求。

Using the Conservation Law of mass, momentum, energy in the form of Euler and equation of the thermodynamics, the interaction between the shock wave and the wall surface of the excavation roadway during the gas explosion is discussed.

文章建立了瓦斯爆炸冲击波的管道物理模型，利用Euler形式的动量、质量、能量守恒方程和热力学方程从理论上解析了瓦斯爆炸过程中爆炸冲击波与掘进巷道壁面相互作用中正反射和斜反射时波阵面上的各个参数，并给出了计算公式和简化公式。

It is well known that Roger Shawyer's 'electromagnetic relativitydrive' violates the law of conservation of momentum, making it simplythe latest in a long line of 'perpetuum mobiles' that have beenproposed and disproved for centuries," wrote John Costella, anAustralian physicist."

新科学家》刊载的一篇关于 Emdrive 的文章引来了众多批评，科学家们认为 Shawyer 的工作明显不可能，推理也是错误的，还认为这篇文章根本不应该登出来。

The article deduces the general expression for the recovery coefficient in solution of dynamic collision, based on on-dimension face-to-face collision and law of particle momentum conservation.

从一维正碰着手，应用质点动量定律，推导出力学碰撞问题中恢复系数的一般表达式，为我们正确理解恢复系数，解决与此相关的问题提供理论支持。

This paper analyzes mid-pressure gas injectors of LPG/air mixture with thermodynamic principle using the law of conservation of momentum, and establishes characteristic equation of mid-pressure gas injectors under the optimum conditions.

根据动量守恒原理，对液化石油气混空气中压引射器进行热力学分析，并建立了最佳结构条件下中压燃气引射器特性方程。

This paper analyzes mid-pressure gas injector s of LPG/air mixture with thermodynamic principle using the law of conservation of momentum, and establishes characteristic equation of mid-pressure gas injector s under the optimum conditions.

根据动量守恒原理，对液化石油气混空气中压引射器进行热力学分析，并建立了最佳结构条件下中压燃气引射器特性方程。

ABSTRACT This paper analyzes mid-pressure gas injectors of LPG/air mixture with thermodynamic principle using the law of conservation of momentum, and establishes characteristic equation of mid-pressure gas injectors under the optimum conditions.

根据动量守恒原理，对液化石油气混空气中压引射器进行热力学分析，并建立了最佳结构条件下中压燃气引射器特性方程。

The conservation laws of energy and momentum deduced by time and space symmetry is an universal law covering all physical fields.

由时空对称性导出的能量、动量等守恒定律，是跨越物理学各个领城的普遍法则。

A droplet size and velocity distribution function was theoretically derived based on the maximum entropy principle and the momentum conservation law.

应用最大熵原理和动量守恒定律，从理论上建立了喷雾液滴尺寸和速度联合分布函数。

The United Kingdom has pledged to provide technical assistance to the peacekeeping effort in Darfur, including airlifting supplies and equipment to assist the African peacekeepers.

英国承诺为达佛的維和努力提供技术帮助，包括提供非洲的維和部队空运补給和裝备。

Results: The level of ET-1mRNA in placental villus was significantly higher in pre-eclamptic women than that in control group.

结果：妊高征组患者胎盘绒毛组织ET-1 mRNA的表达较正常妊娠组明显增高。