粒子分佈 的英文怎麼說
中文拼音 [lìzifēnbù]
粒子分佈
英文
particle formation-
The size of the particles disperses uniform as well as narrow ( obtained by reverse micelle method in the system of aot / iso - octane / water and trion x - 100 / caprylic alcohol / cyclohexane / water )
通過透射電子顯微鏡觀測到兩種體系合成出的粒子粒徑在5nm左右,且粒子呈單分散,粒徑分佈均勻。Abstract : according to the observation of the number concentration spectrum and the mass concentration of atmospheric aerosol, tsp and its particle size distribution, micrometeorology, and the solar spectroscopic radiation, even the neutron activation treatment of sand dust samples in helan mountainous area, the formation law of sandstrom, dust and sand blowing weather and the characteristics of climatic variation in this area and the influence of helan mountain are counted and analysed
文摘:利用賀蘭山地區沙塵暴歷史資料和綜合觀測資料,對大氣背景、浮塵、揚沙和沙塵暴發生期間的大氣氣溶膠數濃度譜、質量譜、大氣總懸浮顆粒( tsp )及粒徑分佈、微氣象、分光日射觀測以及沙塵樣品進行中子活化處理,分析了該地區浮塵、揚沙和沙塵暴形成規律,氣候變化特徵和賀蘭山的影響。According to the observation of the number concentration spectrum and the mass concentration of atmospheric aerosol, tsp and its particle size distribution, micrometeorology, and the solar spectroscopic radiation, even the neutron activation treatment of sand dust samples in helan mountainous area, the formation law of sandstrom, dust and sand blowing weather and the characteristics of climatic variation in this area and the influence of helan mountain are counted and analysed
利用賀蘭山地區沙塵暴歷史資料和綜合觀測資料,對大氣背景、浮塵、揚沙和沙塵暴發生期間的大氣氣溶膠數濃度譜、質量譜、大氣總懸浮顆粒( tsp )及粒徑分佈、微氣象、分光日射觀測以及沙塵樣品進行中子活化處理,分析了該地區浮塵、揚沙和沙塵暴形成規律,氣候變化特徵和賀蘭山的影響。Numerical simulation results indicate that, for low temperature dust particles, dust particles mainly exist in the area near the column center and their charge - number can be considered as a constant, while in the area where there are no dust particles, ion and electrons are in ambipolar diffusion ; for high temperature dust particles, both the distribution regions of dust particle and high ion density are expanded and dust charge - number is increasing with the distance from the center
計算結果表明:當塵埃粒子的溫度較低時,塵埃粒子主要集中在圓柱形放電器的中心很小的區域,塵埃粒子攜帶的電荷幾乎是一個常數,受塵埃粒子空間電荷的影響,離子在該區域的密度最高。在遠離中心區域,離子和電子呈現雙及擴散特點;當塵埃粒子的溫度較高時,塵埃粒子分佈的區域和高離子密度區域擴大,塵埃粒子離放電器中心越遠,攜帶的負電荷越多。Study on distribution measurement of particles in two phase flows of gas - solid
氣固兩相流粒子粒徑分佈測試技術的研究In this article the chelating precipitation method and the converting precipitation method were chosed to synthesis zno nanoparticles on the basis of the theory of synthesis of nanoparticles by precipitation. uniform and dispersed zno nanoparticles were prepared by the two methods because zn2 + of conformation crystal was flee slowly and the supersaturation was well controlled. the problem which zno nanoparticles are wide size and agglomerative was solved
本文根據均相沉澱法合成納米粒子的原理,採用絡合沉澱法和沉澱轉化法合成納米氧化鋅。這兩種方法利用溶液中的構晶陽離子zn ~ ( 2 + ) ,緩慢地釋放出來,有效地控制了溶液中的過飽和度,可以得到粒徑均勻、分散的納米氧化鋅,解決現有制備工藝中納米氧化鋅粒徑分佈寬、易團聚的問題。Influences on host plant cell pathology by tumv infection tumv particles were scattered in cytoplasm area of diseased cells separately or in bundles. the pinwheels, scrolls and laminated aggregates, which were the cross sections of cylindrical inclusion bodies, were observed under transmission electron microscope. meanwhile, pathological changes of diseased chloroplasts " morphology and structure took place
Tumv侵染寄主的細胞病理學特徵利用透射電鏡觀察接種寄主細胞的超薄切片,分離自杭州榨菜上的tumv分離物jc - 1在青菜和芥菜的細胞質中病毒粒子分散或成束分佈;細胞質中存在不同形態的柱狀內含體,分別為風輪體、捲筒體、片層聚集體;同時,葉綠體發生了形態和結構上的改變。From the experimental results, conclusions of particles " trajectories can be drawn for different densities and operating conditions. three axis segments were acquired, and three operating conditions were picked to study the distribution traits of particles inside the impeller under the different quality and concentration of the particles. based on the results, local wear of pump was forecasted and protecting measures were brought forward
得到運行工況對單個粒子運動軌跡的影響以及不同密度(質量)的單個粒子運動軌跡變化規律;沿水泵葉輪軸向取三個測量斷面,分別在三種不同運行工況下,研究各個斷面間(內)粒子分佈特徵,以及粒子質量和濃度對這種分佈特徵的影響;根據實驗結果,對輸送不同固液兩相流介質時,水泵局部磨損進行了預測並提出了一些防護措施。In the theoretical framework of the relativistic mean field, the influences of ( superscript - ) meson condensate on the equation of state and the particle fractions of neutron star matter including delta isobars are studied
摘要在相對論平均場理論框架下研究了(上標- )介子凝聚對包括共振態的中子星物質狀態方程及其粒子分佈的影響。The present dissertation discusses two issues in the laser plasma interaction. in the first part, we introduce the basic concepts about laser plasma interaction and simulation, and give the simulation results concerning the influence on the propagation of the laser pulse in plasma, exerted by the spatial modulation on the surface of the preformed plasma
第一部分簡單介紹了激光等離子體相互作用物理與模擬的一些基本情況和基本概念,並模擬研究了靶表面等離子體的空間調制對激光傳播的影響,分析了等離子體溫度診斷問題及激光等離子體相互作用過程中粒子分佈函數的特徵。Scanning electron microscopy ( sem ) was employed to examine the worn surfaces ^ shape of wear debris ^ dispersion of nano - a ^ os and wear mechanism
採用掃描電子顯微鏡觀察、分析磨損表面形貌,磨屑形狀,納米粒子分佈情況及磨損機理。For the clouds over xi ' an region, the quantity calculations of the backscattering cross sections for various reflection mechanism of cloud are dealt with. the results calculated show that the major contributions for the backscattering cross s ection come possibly from average cloud diameter, clear - air and humidity turbulence and also from distributions of cloud particles, especially, at higher frequencies
再分析了雲的後向散射機理,計算了西安地區雲的後向散射截面;表明影響雲的後向散射截面的主要因素為雲滴平均半徑、大氣濕度湍流及雲粒子分佈,在較高頻率時更顯著。4, the formation mechanism of the n - sic particles in the ceramic coating prepared by the nano - micrometer n - sic / al2o3 composite powder located within m - al2o3 grains is revealed : m - al2o3 would be well melted during spraying and form droplet, the n - sic particles existing on the surface of droplet, then the particle enter the droplet when it is impacted and flattened on the substrate
4 、提出了利用納米一微米n - sic al _ 2o _ 3包覆復合粉末所制的陶瓷塗層中n - sic粒子分佈於m - al _ 2o _ 3晶內的機理:在噴塗過程中微米級al _ 2o _ 3完全熔化形成液滴, n - sic粒子存於液滴表面,在液滴撞擊基材平鋪過程中n - sic粒子進入液滴內部形成。The numerical analysis shows that the existence of ( superscript - ) meson condensate has an obvious influence on the particle fractions of neutron star matter
研究表明, (上標- )介子凝聚的存在對中子星物質的粒子分佈有明顯影響,使(上標- )粒子出現推遲, (上標+ )粒子出現提前。Here based on the kinetic theory, we have mainly discussed the distribution function of the component particles in qgp which is in quasi - equilibrium. our discussion can be divided into two aspects
Jtwa碩士學位論文w一步m僅盯e廠stiesis本篇論文的工作就是研究近平衡態下qgp成分粒子分佈函數的特性。The second aspect : from qgp kinetic equations with collision integrals, by using the relaxation time approximation, we calculate the distribution functions to the second order correction. we obtain the distribution functions for quarks ( and anti - quarks ) and gluons under perturbation of the fluctuation of the color field. then in the high - temperature - low - density area, we discuss the characteristics of the distribution functions, and use t hem to get the net baryon density and the energy density
第二,從有碰撞項的qgp動力論方程出發,忽略自旋,在色漲落擾動下,利用弛豫時間近似,得到夸克和膠子分佈函數的二級修正,通過數值分析重點討論了高溫低密情況下qgp中成分粒子分佈函數的特性,並且由分佈函數得到凈重子數密度和能量密度。In sicp / al composites, the main defects are hole and very inhomogeneous distribution of sic particles
在所測的sicp al復合材料工件中的缺陷主要是sic粒子分佈不均勻以及材料中存在氣孔。So based on the given operating range, the reasonable pore rate and position of heterogeneous pores distributor can be determined to obtain the distribution of particles as homogeneous as possible
所以應根據不同的操作條件選擇合適的變孔徑分佈板,以得到較均勻的粒子分佈。In the second part, a few kinds of particles with different densities and sizes were picked and used to study the trajectories and the distributions inside the pump impeller
在第二部分工作中,精心選擇幾種不同密度、不同大小粒子,進行葉輪流道內粒子運動軌跡和粒子分佈的實驗研究。The results indicated that the obtained thin films at different treatment conditions existed great difference. tio2 nanometer particles distributed homogenously on the film a and its surface was uniform, compact and crack - free
而在500 ,熱處理lh所制膜上納米粒子分佈均勻,所生成的次級顆粒很小,表面粗糙度也很小。分享友人