The compound fraction of target surface was gotten from the rate equation s of sputtering and the transport equations of reactive particles .
由溅射速率方程和反应粒子输运方程得出了靶面化合物的覆盖度。
A method which is independent on the momentum picture is introduced to calcu-late the threshold energy of initial state particle and the maximum energy of final state particlein particle reactions.
给出一种不依赖于具体动量图象求粒子反应中初态粒子的阈能和未态粒子最大能量的方法,并就常见的粒子反应作了讨论。
This paper introduces the structure and model of elementary particles and points out that there is no limit to man s exploration on microworld.
介绍了基本粒子的结构和模型,指出了人类对微观世界的认识是无穷无尽的,近代天文观测已证实了宇宙往大、往小都是不可穷尽的。
The mystery of physical microcosm is revealed through a survey of the development of physics-elements,atoms,atomic nuclei and elementary particles, especially human exploration of material structure in the past sixty years.
从对粒子物理学发展概况的简要叙述,回顾了从元素、原子、原子核和基本粒子的发展过程,特别是最近六十年以来基本粒子的发现和人类对物质结构的探索,揭示出物质物理微观结构的奥
It is hypothesized that leptons and hadrons are all composed of unit particles and elementary particle reactions are the processes of pair production and annihilation of a unit partide and its antiparticle, change from a unit particle pair to another and recombination of unit particles.
本文把奇异数、粲数、底数和同位旋概念推广于轻子,认为轻子和强子都是由单元粒子组成的,并假设基本粒子反应过程是单元粒子产生、湮灭、转化和重组的过程,确定了基本粒子的特征组成,从组成上说明了基本粒子反应中产物和反应物之间的联系。
Interactions between elementary particles and vacuum;
基本粒子与真空之间的相互作用(英文)
The author brings the relation ship between elementary particles and quality-energy equation to light.
从能量的角度阐述基本粒子的构成 ,通过质能方程揭示基本粒子与能量的关系 ,阐明基本粒子所含能量的量、状况及本质 ,并介绍几种典型静质量基本粒子的构成特征。
conservation law in elementary particle reaction
基本粒子反应的守恒定律
Any of a family of elementary particles that participate in the weak interaction, including the electron, the muon, and their associated neutrinos.
轻子一种参与微弱互反应的基本粒子家庭的粒子,包括电子、介子以及与他们相关的中子
The Research of Brcaa1 Gene and the Effects of the Nanoparticles on Reaction System;
Brcaa1基因的研究和纳米粒子对反应系统的影响
When the mole is used, the elementary entities must be specified and may be atoms, molecules, ions, electrons, other particles, or specified groups of such particles.
在使用摩尔时,基本单元应予指明,可以是原子、子、子、子及其他粒子,或这些粒子的特定组合。
Research of Application on Reductive Amination of Ultrafine Ni/SiO_2 Catalyst;
镍基负载型超微粒子催化剂上的还原胺化反应应用研究
Study on the Mechanism of Reaction between Amino Acid and Silver(Ⅰ)ion and Preparation of Amino Acid-silver Nanoparticles;
氨基酸与银离子反应机理及氨基酸—银纳米微粒制备的研究
"eta particle:a neutral elementary particle that has a mass 1,074 times that of an electron."
η粒子:质量为电子的1074倍的中性基本粒子.
The Microstucture and Properties of In-situ Particle Reinforced Magnesium Matrix Composite;
原位反应生成粒子增强镁基复合材料的组织与性能
TiC-reinforced Fe-base metal ceramic composite coatings fabricated by reactive plasma spraying
反应等离子喷涂制备原位TiC颗粒增强Fe基金属陶瓷涂层
Electron microscopic studies revealed broken mitochondria crista and decreased positive reaction granules of SDH in guinea pigs of 15 s pinching group after 15 days,which recovered basically after 30 days.
组面神经损伤15d后,线粒体嵴断裂,SDH阳性反应颗粒减少,损伤30d基本恢复正常。
The antiparticle of a nucleon.
反核子核子的反粒子
The antiparticle of the neutron.
反中子中子的反粒子
The antiparticle of the proton.
反质子质子的反粒子
The antiparticle of a baryon.
反重子重子的反粒子
The principle of the particle systems is introduced and the approach of the game application of the particle systems is illuminated.
介绍了粒子系统的基本原理,给出了利用粒子系统方法在游戏中应用处理步骤。
Application of Particle Swarm Optimization to Modulated Photothermal Reflectance Technique;
粒子群算法在光热反射技术中的应用
The antiparticle of the D?is indistinguishable from the D?
π°介子的反粒子同π°本身是无法区分的。
It struck me that he had just given a perfectly good reason for doing the opposite.
我发现他给的理由恰好说明他应该选基本粒子物理学相对论。
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