大粒子

dà lì zǐ
  • Large particles;macroparticle
大粒子大粒子
大粒子[dà lì zǐ]
  1. 建立了可描述大粒子激发形核和小粒子钉扎作用的Monte-Carlo仿真模型。

    A 3D Monte-Carlo model combined with deterministic criteria was developed to describe nucleation stimulated by coarse particles arid pinning effect of fine particles .

  2. 而春季气溶胶光学厚度则在近2年有明显增加,源自沙尘天气,且Angstrom指数亦变小,表明大粒子比例增加,因此需要加强对沙尘源的治理。

    Moreover , the Angstrom exponent tends to be lower , indicating that the ratio of larger particles increased . So it is necessary to enhance the dust source harnessing .

  3. 一个二阶精度的大粒子有限体积方法

    A Large Particle Finite Volume Scheme on Two Dimension Unstructured Meshes

  4. 二维无结构三角形网格的高分辨率大粒子有限体积方法

    High resolution large-particle finite volume method for 2-D unstructured triangular mesh

  5. 粗糙大粒子散射相函数的研究

    Study on Scattering Phase Function for Coarse and Large Particles

  6. 在欧洲未受损棕色头发上,在大粒子硅油上则观察到相反的趋势。

    The opposite trend was observed with the larger particle size silicone .

  7. 大雨中含有较多水分并以大粒子形态出现。

    Heavy rain contains more water volume in the form of large drops .

  8. 他承认大粒子会掉落在地,但小粒子会满天飞散。

    Big particles drop , he admits , but smaller ones can fly .

  9. 至于「大粒子假说」则提出另一种解释。

    The big-particle hypothesis takes another approach .

  10. 悬浮大粒子群的辐射特性

    Radiative Properties of Suspending Large Particles

  11. 实验除了测得粒径在300μm~1500μm范围内石墨粒子的燃尽时间外,还追踪了一些大粒子直径随燃烧时间的变化。

    The graphite particles of diameter ranging from 300 μ m to 1500 μ m are tested .

  12. 核酸形成大粒子的散射分析方法。

    The light scattering analysis for nucleic acids based on the formation of large particles was also stated .

  13. 司徒博士表示,喷出物包括大粒子,还有飞沫,大飞沫很快就掉落到地上,不会飞出一米远。

    Large particles , he says ; wet , heavy droplets that fall to the floor within one meter of your mouth .

  14. 对于不小于波长或可与波长相比的大粒子集合性的相干散射,要求严格求解多次散射的Maxwel方程。

    As the scatterer 's size is no less than or comparable with the wavelength , a rigorous solution of multiple scattering Maxwell 's equation must be used .

  15. 贝塔是高速冲击的微小粒子(电子),阿尔法辐射是高速冲击的大粒子(含有两个质子和两个中子)。

    Beta radiation consist of small particles ( electrons ) with an incredible speed , Alpha radiation consists of big particles ( two protons , two neutrons altogether ), also with incredible speed .

  16. 研究表明,当硬球系统作为介质时,系统不存在扩散过程;发现大粒子的平均平方位移与时间是平方关系,说明大粒子在硬球介质中的输运是弹道输运过程。

    It can be found that the mean square displacement is proportional to the square of time , i.e. , the transport process is dominated by ballistic transport , rather than a diffusion behavior .

  17. 另一方面,在体内的阿尔法辐射(如体内的钚原子是大粒子)便会对身体造成很大伤害。

    On the other hand , inside of the body ( for instance a plutonium-atom sitting on your bones ) the alpha-radiation , being large particles will create a lot of damage in the body .

  18. 此外,动态光散射法和透射电镜法的研究结果表明,随着体系中磷脂浓度的增加,溶液粒子经历了从小粒子单胶束,到混合胶束,再到大粒子磷脂囊泡的转变。

    By dynamic scattering method and transmission electron microscopy technology , with the increase of the concentration of phospholipids in the system , the aggregation changed from the single particle micelles to mix micelles , then to big particle phospholipids vesicles .

  19. 基体平均储存能和大粒子高应变区储存能作为驱动力和小粒子钉扎阻力的竞争,决定整体材料发生完全再结晶、部分再结晶或再结晶被完全抑制。

    The competition between the local stored energy , as the driving force for recrystallization , and the dragging force from fine particles , determines the final state of complete recrystallization , partial recrystallization or fully inhibited recrystallization in the whole material .

  20. 如果是多元分散,粒径分布一般较宽,非常有利于实现乳液低黏度下的高固含化,当乳液的大粒子质量分数在80%左右时最容易达到目的。

    When the dispersion was multimodel the particle size distribution generally was more wide , this condition was very favorable to obtain high solid content and low viscosity , especially when the mass fraction of larger particles in emulsion was about 80 % .

  21. 利用仿真定量研究了两种粒子各种参数对形核和再结晶晶粒长大过程的影响,表明粒子激发形核效率依赖于大粒子影响区的储存能和局部小粒子的分布状态;

    The influences of various particle parameters on nucleation and growth of recrystallizing grains were quantitatively studied by simulations . The results show that the efficiency of particle stimulated nucleation depends on the stored energy in the particle-affected region and the local distribution of fine particles .

  22. 从而为克服传统PLD制膜技术上的制膜厚度的不均匀及大颗粒粒子的产生从理论上提供了依据。

    This provides a theoretical basis to partly overcome the deficiency of traditional PLD technology about the nonuniform of thin film and the production of granule or droplets on thin film .

  23. f和有关的韧性参数中起决定性作用.在铁素体晶粒尺寸和屈服应力相同的条件下,大碳化粒子尺寸的材料具有低的裂纹断裂韧性。

    The sizes of carbide particles play a leading role for determining the local fracture stress f and associated fracture toughness parameters . parameters the condition of the same ferrite grain sizes sizes and yield stress , the material with forger carbide particles exhibits lower cracked fracture toughness .

  24. 针对PF-TBD算法在状态空间过大时粒子初始化精度低的问题,利用目标的运动特性,提出了基于竞争机制的粒子初始化方法。

    For solving the problem of lower precision of the particles initialization with the state space being larger for PF-TBD algorithm , a method for particles initialization based on competitive mechanism is proposed by utilizing the moving characteristics for the target .

  25. 它怎样影响光子或大质量粒子的轨道呢?

    How does it affect orbits of photons or massive particles ?

  26. 与萃取前相比,萃取后的接枝酪蛋白乳胶粒子的粒径变大,粒子内部极性增强。

    The latex particle size decreased and its inner polarity increased after extract .

  27. 这些元件利用的原理是,布朗运动让较小的粒子移动得比大的粒子远。

    These devices exploit the fact that Brownian motion displaces small particles farther than it does big ones .

  28. 粒子注入速率比的增加将导致稳定状态的增益变大而粒子数差减小;

    The ratio of the atomic injection rates increasing will results in an increase of the gain and a decrease of the population difference in the steady state ;

  29. 预先过滤的主要作用是截获部分尺寸过大的粒子,并保护最终过滤不被过早的堵塞,以便提供过滤器最大的使用寿命。

    The major role of pre-filtration is to capture a portion of the oversized particles and protect the final filtration from premature plugging in order to deliver maximum filter service life .

  30. 而油溶性引发剂引发聚合时,在较低的转化率下,聚合主要是在大聚合物粒子内进行的。

    When it was initiated with BPO or AIBN , at low conversion , polymerization mainly took place in the big droplets , and micellar nucleation became the only nucleation route at high conversion .