Neutrinos, which have no charge and very little mass, form out of nuclear reactions and particle decays.
质量极小且不带电的中微子，是在核反应和粒子衰变中产生的。
From the energies and momenta of the two jets, researchers can infer the mass of the particle that produced them.
从两束喷注的能量和动量可以推算出产生它们的粒子的质量。
Asquith, like many physicists, spends a lot of time thinking about particles like the elusive Higgs boson - the subatomic particle that scientists say endows everything in the universe with mass.
阿斯奎斯像其他许多物理学家一样花了很多时间来思考像希格斯玻色子那样难以捉摸的微粒子——被科学家推测其普遍存在于大自然万物中的一种微粒子。
Well, in physics, momentum is a vector, and it is a product between the mass of a particle and its velocity.
物理中，动量是矢量，它产生于,由粒子的质量与速度。
Two new looks at the gamma-ray sky suggest that if the mysterious matter is a particle, it is heavier than 40 gigaelectronvolts, about 44 times the mass of a proton.
两项最新伽马射线天空图的观测研究表明如果此种神秘物质是粒子，则要大约是一个质子质量的44倍，比400亿电子伏还重。
The Tevatron physicists’ observations have also narrowed the range of mass that the Higgs boson might have, adding to their earlier evidence that the particle may be lighter than expected.
Tevatron物理学家的观测使他们缩小了希格斯玻色子可能的质量范围，进一步证明了他们先前发现的证据：这种粒子可能比人们估计的更轻。
What physicists are basically doing is making the collisions as powerful and as efficient as possible to turn particle mass into pure energy (as a result of Einstein's bedrock equation E=mc2).
物理学家们做的这些事的本质就是尽可能让这些对撞充满能量并且高效以使这些粒子的质量转换为纯能量（这是爱因斯坦颠补不破的方程E=mc2的结果）。
The Higgs particle is predicted to exist as part of the mechanism believed to give particles their mass, and is the only piece of the Standard Model of particle physics that remains to be discovered.
希格斯粒子被预言是存在的，作为机制的一部分，它被相信是赋予粒子以它们的质量，它也只是遗留下来被发现的粒子物理系经典模型的一小部分。
A subatomic particle with the same mass as the electron but positive charge (it is the antiparticle of the electron).
与电子的质量相等但带正电荷的亚原子粒子(是电子的反粒子)。
Steve Weinberg, a doyen of particle physics who was one of the Model's architects, has described neutrino mass as the most important discovery in particle physics for a quarter of a century.
粒子物理学的资深研究者——史蒂夫·温伯格，他也是标准模型的创建者之一，称中微子质量的发现是四分之一个世纪以来，粒子物理学界最重要的发现。
Components or articles are produced by forming a mass of powder into a shape, then consolidating to form inter-particle metallurgical bonds.
通过将大量的粉末放入模具成型为零件或物品，然后合成为内有微粒的冶金结合物。
The increase in the fluctuation intensity of gas temperature will further enhance the instantaneous particle mass loss during the coal devolatilization processes.
随着气相温度脉动强度的增加，这种加快颗粒瞬时质量下降即挥发分释放的趋势更为明显。
Equations of mass, momentum and second moments for particulate phase are derived from a particle PDF (probability distribution function) equation in dilute turbulent sediment-laden flows.
从颗粒运动的PDF(概率密度分布函数)输运方程出发建立颗粒相的质量、动量和脉动速度二阶矩方程。
Finally, the electrostatic sensing technique was applied in the measurement of particle electrification, particle velocity and mass flow rate.
最后，将静电传感器测量系统应用于颗粒速度、颗粒质量流量和颗粒荷电测量上。
He could divide all of that by the absolute value of the charge of the positive particle, all over the mass of the positive particle.
他可以把这整个，除以正电粒子的，电荷绝对值除以，正电粒子的质量。
The important result of the relation of the inverse ratio of square through calculating the gravitation of a ball shell with uniformly-distributed mass on a particle.
通过计算质量分布均匀的球壳对一质点的引力，验证了平方反比关系的重要结果。
This paper proposes the theorem of moment about mass acceleration of the particle and the system of particles (absolute motion and relative motion).
本文提出质点和质点系(绝对运动和相对运动)质量加速度矩定理。
Diffusion is inversely proportional to the mass of matter, and the smaller the particle is, the more serious the diffusion is.
扩散与物质的质量成反比，颗粒越小扩散越严重。
The transverse motion of particle enhances the heat and mass transfer of material in the rotary kiln, and it is important for the optimal design and practical use of the equipment.
回转窑内物料颗粒的横向运动使物料的传热和传质得到加强，其研究对于回转窑的优化设计和运行是十分重要的。
The particle mass concentration rises with the increase of particle diameter.
飞灰质量浓度随着颗粒粒径的增大而增加。
Although the thermophoresis force could affect the 50-micron particle, the concentration did not change as large as 2-micron particle because of the large mass and the wall effect.
热泳力对粒径为50微米的颗粒也有影响，但是由于颗粒的质量较大，再加上壁面效应，其作用效果远没有2微米颗粒明显，仅在近壁区颗粒的浓度略有升高，而其它部分基本不变。
In this paper, the relation of cloudy sky luminance with particle scatter and air mass is discussed by using the results of atmospheric and geometrical optics.
利用大气光学和几何光学的成果，讨论了阴天天空亮度与粒子散射和大气质量的关系，从微观机理上说明了阴天空最大亮度元的存在性，并得到了有趣的结果。
In order to realize measurement of aerosol mass concentration in real time by optical particle counter, the calibration method of the instrument was studied.
为了实现光学粒子计数器系统实时精确地测量悬浮颗粒物的质量浓度，对该系统的标定方法进行了研究。
A laser based technique is proposed which is able to measure and supervise the mass concentration and particle size of smoke and dust in emissions.
提出了能直接测量烟尘和粉尘排放浓度和粒径大小的激光监测技术，具有实时快速、非接触、在线、无需取样和连续测量的优点。
The particle mass flux was measured and the characteristics of particle suspension layers was presented.
本文提出一种实用新颖的完全风冷式颗粒质量流率热态测量装置。
In the model the exit area ratio, solid particle mass ratio, fuel enthalpy of combustion, jet gas molecular weight, chamber stagnation temperature, flight Math number etc. have been considered.
在该模型中考虑了底排出口面积比，排气固相颗粒质量比，燃料热值，燃气分子量，燃烧室总温，飞行马赫数等因素。
The results show that the effect of pairing is expressed in terms of one quasi particle excitation for the odd nuclidic mass nucleus.
研究结果表明，对力对奇质量数核的作用可以用准粒子激发表示。
A hypothetical particle postulated to be the quantum of gravitational interaction and presumed to have an indefinitely long lifetime, zero electric charge, and zero rest mass.
引力微子一种假想粒子，被假定为引力相互作用的量子，并被推测为具有。
A model for measuring aerosol mass concentration by an optical particle counter is presented using the conception of the average mass.
基于平均质量的概念，提出了粒子计数器测量悬浮颗粒物质量浓度的计算模型。
A model for measuring aerosol mass concentration by an optical particle counter is presented using the conception of the average mass.
基于平均质量的概念，提出了粒子计数器测量悬浮颗粒物质量浓度的计算模型。
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