discrete particles 中文意思是什麼
discrete particles
解釋
離散微粒-
Democritus argued that matter is formed from discrete particles.
德謨克利特認為物質是由分立的粒子構成的。 -
Abstract : in this paper it discusses the method of how to count the numbers of aerosol particles through using many - corridors discrete quantity gathering system
文摘:討論了運用多道離散量數據採集系統，對微粒子進行檢測的方法。 -
The discrete part creates the higgs, whereas the continuum parts generate the gauge bosons, such as the w and z particles, which mediate the weak force
整個空間中離散的這一部份產生了希格斯粒子，而連續體那一部份則產生了規范玻色子，例如傳遞弱力的w粒子與z粒子。 -
As to the simulation, three - dimensional n - s equations and two - phase flow model, in which the liquid toluene spray as discrete particles was considered, were employed to describe the turbulent combustion processes in the combustion chamber. the mass and energy transfer between the two phases were calculated by the droplet evaporation model, and the arrehnius model was used to obtain the gas chemical reaction rate. the details of 3d flow field, the distributions of temperature and compounds were obtained by solving the equations
數值模擬方面，應用三維湍流n - s方程以及顆粒軌道模型描述了激光器燃燒室內部的噴霧兩相燃燒流動過程，兩相之間的質量、能量交換由液滴蒸發模型計算，氣相化學反應速率由arrhnius公式計算，通過耦合求解氣液兩相模型方程，模擬了燃燒室三維流場，得到了燃燒室內的溫度和組分濃度分佈。 -
The random mathematical model is described using equivalent markov equations. the time and state parameters are discrete. based on the model, the flow rate distributions along radial and average at any height can be calculated directly, moreover, the probability transition matrix of the flow can be determined via the statistic character of the random cumulate particles, and be corrected by s. cd the random theoretical model shown in fig. l, the section of the bed of tbr is divided into a series of concentric circles
一、在常溫和常壓下進行滴流床反應器流率分佈的研究，以狀態離散、時間離散的齊次markov過程描述了滴流床在滴流區的流率分佈，建立了滴流床在滴流區流率分佈的隨機模型，根據此模型可以： 1 、可直接確定任一高度下的液體徑向流率分佈及平衡流率分佈； 2 、液體流動的概率轉移矩陣可由隨機堆積顆粒的統計特性確定，以參數s修正。 -
Drawing the following concludes : ( 1 ) for the different metallic small particles with even number or odd number, the heat capacity is varied. the result is different from the bulk metal in essence. at the low temperature, the distribution of the discrete energy levels has important effects on the heat capacity ; at the high temperature, the distribution of the discrete energy levels has little effects because of the involving of mass electrons into the energy distribution
得到如下結論： （ 1 ）金屬小粒子所含的電子數奇偶性不同，其電子熱容是不同的，這與大塊金屬有本質區別；低溫極限時電子熱容受能級分佈的影響很大；而在高溫時，有大量的電子參與能量配位，比熱遵循大塊金屬的線性規律，能級分佈的影響小時。 -
Scientists find that it is difficult to determine both position and momentum of particles at the same time and, furthermore, energy distribution is not continuous. why is energy distribution discrete and where is the lost space
但人們發現，對粒子的運動狀況進行描述卻比預想的要困難，我們不可能同時確定粒子的位置和動量，而且能量分佈也不是連續的。 -
The mechanism of rockfill rheology is rectified theoretically. as a kind of man - made discrete material, the rockfill is similar to the consolidated soil in the aspect of rheology. the main causes of rockfill rheology are the breaking and sliding of particles, filling of pores
從理論上深入論證分析了堆石流變的機理，對于堆石這種非自然存在的散粒材料，其流變與土體的次固結相類似，產生堆石流變的主要原因是顆粒破碎細化、滑移充填孔隙所致。 -
The trajectory of the particles was computed by introducing the discrete random walk tracking model, through which the grading efficiency and general efficiency of the vortex quick separator could be simulated
採用離散軌道模型對該旋流快分器內顆粒的運動情況進行了計算，並由此估算了旋流快分器的分級效率和總分離效率。 -
In the industrial process the material in the hopper always contains some water. with the aid of liquid bridge model, dem ( discrete element method ) and mathematical models, this paper firstly simulates the flow of wet particles in a hopper to study the influence of liquid bridge on the flow patterns and flow rate
針對這一情況，本文通過引入液橋力模型，結合離散顆粒法（ dem ） ，首次用計算機模擬了料倉中濕顆粒的流動，研究了液橋力對料倉內顆粒流動形態以及質量流率的影響。 -
By the use of discrete phase model, the gas - solid two phase flow under different conditions were simulated. the trajectories of particles were obtained, and the influence of secondary air and particle diameter distribution were investigated. and by the compare of experimental results and numerical simulation results, the reference for the further study of numerical simulation of gas - solid two phase flow in cfb was supplied to some degree
運用顆粒軌道模型對床內不同工況下的離散相顆粒軌跡進行了數值模擬，得出了二次風、床料粒徑分佈等因素對顆粒軌跡的影響情況，並通過模擬結果與實驗現象的對比，為循環流化床內氣固兩相流動的進一步數值模擬研究提供了一定的基礎。 -
Recently, discrete particle model in which particles are directly tracked was paid widely attention due to the great development of computer hardware. in this model, gas phase is treated as continuous medium, and particle phase is treated as the discrete system. because particle movement is investigated in the particle - level, the multi - scales structure of fluidized bed can be simulated in both particle - scale and macro - scale
近年來，由於計算機硬體的飛速發展，直接對顆粒進行跟蹤的離散顆粒模型得到了廣泛的關注，此類模型將流體相處理為連續介質，顆粒相處理為獨立的離散體系，由於它對顆粒相運動進行的是顆粒層次的分析，因而可以從顆粒尺度與宏觀尺度模擬流化床氣固兩相流的多尺度結構。
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