The influence of the properties of two hump distribution primary particles and secondary particles of paste PVC resin on the paste viscosity has been analyzed by using scanning electronic microscope.
利用扫描电镜,分析双峰分布的聚氯乙烯糊树脂初级粒子和次级粒子颗粒形态对糊粘度的影响。
Particles impinging on the surface of the space vehicle or shielding materials produce secondary particles, which, together with the primary radiation contribute significantly to the space vehicle’s inner radiation environment which astronauts would be exposed.
深空条件下的高能粒子会穿透航天器舱壁材料,通过射线与物质材料的相互作用,在航天器内产生二次粒子,形成由初级粒子、次级粒子叠加的混合辐射场的辐射环境。
Measurement of size and distribution of secondary particle piled pore of α-Al_2O_3 carrier by TEM;
TEM测定α-Al_2O_3载体的二次粒子堆积孔大小及分布
Xonotlite secondary particles were synthesized from industrial lime made in jingxing, Hebei province,powder quartz asraw materials and small amount of zirconium oxychloride as a mineralizer by means of hydrothermal synthesis.
在动态水热合成条件下,以河北井阱石灰为钙质原料,粉石英为硅质原料,加入少量的氧氯化锆为矿化剂合成硬硅钙石二次粒子。
The water soluble ions and metal elements are the key compositions of the aerosol, whose distribution characteristics of mass concentrations in different sizes indicate the sources and the formation of secondary particles, and are used to study the concentrations of primary particles and their chemical characteristics.
水溶性离子和金属元素是气溶胶的重要组分成分,它们在不同粒径范围内的质量浓度及分布规律可表明二次粒子的来源及形成规律,可以用于分析研究原生粒子的不同排放源及其化学成分组成特征,研究结果不仅可用于气溶胶粒子对气候和环境变化影响的进一步研究,而且可以用于细粒子对人体健康危害研究的初始科学依据。
This is usually the region from which most of the secondary particles emanate.
大多数次级粒子通常是从这个区域中发射出来的。
The greatest uncertainty about the physics of windraised dust centres around the raising of secondary particles.
关于风吹起尘埃的物理学的最大不准确性在于次级粒子的抬升。
micro-size particles
微米级粒子，超细粒子
secondary electron multipactor limiter
次级电子倍增限幅器
secondary ion mass spectrometry
次级离子质谱分析法
secondary electron conduction target vidicon
次级电子导电视像管
incident particle energy
入射粒子能量 -二次离子质谱术
Preparation of polyaniline particles with hierarchy and its performance in a supercapacitor
二次颗粒结构聚苯胺的制备及其超级电容性能
Energy of the Charged Particle in the Magnetic Field in Non-commutative Space;
磁场中带电粒子在非对易空间的能级
Dynamic hierarchical hybrid particle swarm optimization algorithm
一种动态分级的混合粒子群优化算法
Discrete particle swarm optimization for RNA secondary structure prediction
预测RNA二级结构离散粒子群优化算法
Rank entropy-based adaptive particle swarm optimization algorithm
基于等级熵的自适应粒子群优化算法
A Numerical Analysis of Secondary Aerosol Inorganic Particles of PM2.5 in a Strong Fog
一次大雾天气下PM2.5二次无机粒子的数值模拟
PORTFOLIO OPTIMIZATION BASED ON QUADRATIC PARTICLE SWARM OPTIMIZATION
基于二次粒子群算法的投资组合优化
INFLUENCE OF THE VIRTUAL PHOTON PROCESSON THE ATOMIC COHERENT POPULATION TRAPPINGIN A CASCADE THREE-LEVEL ATOM;
虚光子过程对级联三能级原子粒子布居相干捕获的影响
Theoretical Study on Odd A Isotopes Energy Level with Particle-Triaxial-Rotor Model;
粒子—三轴转子模型对奇A核能级结构的研究
the branch of physics that studies subatomic particles and their interactions.
物理学中研究次原子粒子与其作用的分支。
Effect of size match between matrix powder and particulate reinforcement on mechanical properties of SiCp/Fe composites
基体粉末与增强粒子的粒度级配对SiCp/Fe性能的影响