粒子密度 的英文怎麼說
中文拼音 [lìzimìdù]
粒子密度
英文
grain density-
Secretic granules in b cell are fairly big, cores are various. there is fairly big gap between the core and the limiting membrane ; the center of secretic granules in a cell exist compact core and there is no gap between the core and the limiting membrane ; secretic granules in d cell are too much, electron density of granules is lower, and there is no gap between the core and the limiting membrane, what ' s more, fairly big chondriosome can be seen in the cell
B細胞的分泌顆王曉麗尼羅羅非魚胰島顯微和亞顯微結構的研究13粒較大，芯的形態多樣，電子密度差異大，芯與界膜之間常有較大的空隙； a細胞分泌顆粒形態不規則，芯的大小不等，界膜與芯之間無空隙； d細胞分泌顆粒較多，芯的電子密度較低，界膜與芯之間無空隙，此外，胞質內可見較大的線粒體。Results : after cryofixation, basement membranes of skeletal muscle consisted of only one electron dense layer, t tubules were round, core cylinders were observed in terminal cisternae and there were thread - like protein particles on the membranes of terminal cisternae
化學固定后，縫匠肌基膜由兩層組成：一層電子密度低，另一層電子密度高；橫小管為扁平狀或啞鈴狀；終池內僅有一些散在的電子密度高的顆粒，終池膜上有幾個腳狀突起伸向橫小管。In other four species, gentiana przewalskii, aconium tanguticum, pedicularis kansuensis and delphinium monanthum, the whole starch grains were light in
在其餘4種高山植物中，澱粉粒的電子密度均較低。Abstract : the effect of correction of self - consistent potential on electronic structure in simple cubic nanocrystal particles is calculated by means of the green ' s function method in the tight - binding approximation, taking only the nearest neighbor matrix elements into account. the numerical results show that the electronic energy spectrum is shifted, the chemical potential is not equal to the atomic energy level, the electronic density at each lattice point is changed, and the variation of electronic density at surface lattice point is the largest
文摘:在緊束縛近似下，只計及最近鄰的矩陣元，採用格林函數計算了自洽勢修正對簡立方納米晶體顆粒的電子結構的影響，發現電子能譜發生了移動，化學勢不等於格點原子能級，各格點的電子密度也發生了變化，其中以表面格點的電子密度變化最大。In this paper, we focus on the following three topics : ( i ) density distribution of dusty plasma in the low - pressure collisionless positive column the radial density distributions of electron, ion and dust particle in the low - pressure collisionless positive column are investigated with a fluid theory and a self - consistent dust - charging model
本文著重以下三個方面的研究： （ ）低氣壓無碰撞輝光放電正柱區塵埃等離子體密度徑向分佈本文採用流體模型和自洽的塵埃充電模型，研究了低氣壓無碰撞輝光放電正柱區的電子密度、離子密度和塵埃粒子密度的徑向分佈。Density of composites was varied with the amount of organic and grain size of ultramicro iron. influence of microstructure on and was discussed with the interface defect mechanism
指出了復合粒子密度的變化是由於有機相含量與超微鐵粒徑的變化引起的，並用界面缺陷的理論探討了微觀結構對與的影響。A co2 laser with the optimized resonator is made and to be proved by experiments. this dissertation focus on the following problems : the kinetics process of the cvl and the co2 laser, the rate equations for the laser level population, electron temperature and electron density
本文的重點是：闡述清楚銅蒸汽激光和二氧化碳激光的動力學過程，定量描述激光能級的粒子數速率方程、電子溫度和電子密度等速率方程It was show in this thesis that the po activity existed histochemically in haemo - cyte and its peripheral zone. most po were electron - dense and homogenous. prophenoloxidase is found in both plasma and haemocytes. propenoloxidase is most abundant in large granule haemocytes, a small abount is present in some small granule haemocytes and hyaline cells, or absent
Po大部分均質且電子密度很高。在細胞外有異物處的po密度最大。其中大顆粒細胞周圍的po陽性產物最多，小顆粒細胞和透明細胞則很少或沒有。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。A monte carlo algorithm was presented to model the relation between the scattering phenomenon, depolarization changes and sea water depth, it is discovered that the radius of scattering point and the degree of depolarization increase with increasing of the sea water depth. at last, a optical engineering software ( lighttools ) is introduced to simulate optical scattering in the deep sea water, and studys the corelation between scattering and relative refractive index, particle density and particle size in the sea water. the experiment results show that the intensity of scattering will increase evidently with the increasing of particle size, particle density and relative refractive index. the methods and results in the article provide the basic theory and experiment validation for improving performance of communication, detection and imaging under sea water
本文以球形粒子的mie散射理論、 stokes矢量法以及mueller矩陣來研究海水的散射特性和散射中的退偏振度變化;通過montecarlo方法模擬藍綠激光在海水傳輸過程中的散射現象以及散射中的退偏度變化與海水深度的關系，發現隨著海水深度的增加，散射后的光斑半徑、退偏振度將逐漸增大。最後通過光學工程軟體（ lighttools ）對海水中的散射進行模擬實驗，研究散射與海水中粒子密度、粒子大小和相對折射率的關系。實驗結果表明，隨著粒子半徑、粒子密度和相對折射率的增加，散射的強度將顯著增加。In most region of space, the particle density is about 1 atom per cubic centimeter, however, in some region of space, the density is over 1000 atom cm
在浩瀚的宇宙中，大部分地方的粒子密度約為每立方厘米有一顆原子，但宇宙中一些角落，粒子密度卻達1000原子立方厘米空氣的密度約為10Iso 11508 : 1998 soil quality - determination of particle density iso 11508 : 1998
土壤質量.粒子密度的測定Solid biofuels - methods for the determination of particle density ; german version cen ts 15150 : 2005
固體生物燃料.粒子密度的測定方法Effects of axial magnetic field on density and voltage noise of vacuum arc charged particle
縱向磁場對電弧帶電粒子密度和電壓噪聲的影響Tests for mechanical and physical properties of aggregates - determination of the particle density of filler - pyknometer method
集料的機械和物理性能試驗.填充料粒子密度的測定.比色計法The above - mentioned research results will supply valuable foundation of theory and experiment for ultrasonic detection of small inclusions and hardening particles density
論文的上述研究成果，對于進一步開展ly12鋁合金細小夾雜物及強化粒子密度的超聲檢測提供了重要的理論及實驗依據。Through the research of nonlinear phenomenon in the dense particles field, the understand of the study on characters of nonlinear exposure in in - line holography for particle field was all - round
發現粒子密度越大，中心粒子發生邊緣剪切越嚴重。這使對粒子場激光同軸全息非線性曝光特性有了更加深入的認識。( 3 ) in multi - particle simulation, if the particles are not too dense, the reconstruction images of particles are clear. when the particles density reaches some degree, the definition of the reconstruction images will decrease along with the particles density growing
（ 3 ）在對多個粒子的模擬記錄和再現過程中，通過改變粒子的密度，發現粒子密度較小時，記錄和再現效果都很好，而當粒子密度增大一定程度時，粒子再現像的清晰度會下降。Powders are scattered in dispersant by the high - energy dispersing technology ; viscidity of dispersant is great, density of dispersant close particle density. polyvinyl alcohol is choosed as dispersant, and concentration of polyvinyl alcohol ranges from 3wt % to 7wt % ; the concentration of particle is 0. 4g / cm3. 4 the consolidation technology includes dry, the rate of heat - up and sintered
分散採用高能量的分散技術；分散劑選擇粘度大，密度與懸浮粒子密度相近的分散劑；對于鈦粉、不銹鋼粉，其分散劑選擇聚乙烯醇，聚乙烯醇的濃度范圍在3wt ? 7wt ；在刷塗工藝條件下懸浮液的最佳濃度為0 . 4g / cm ~ 3 ，懸浮液濃度對多孔金屬膜的透氣性影響不大。Abstract : this paper describes the thermal effects of a coaxial rf - excitedco2 laser ， based on the balance equations of electron density and energy ， current continuity equation ， and heat conduction equation. depende ncies of the spatial distributions of gas temperature on some discharge parameters arediscussed
文摘:通過求解放電等離子體中的帶電粒子密度和能量的平衡方程、電流連續性方程以及熱傳導方程，研究了同軸射頻（ rf ）激勵co2激光器中放電混合氣體的溫度效應，分析了有關放電參數對溫度分佈的影響。分享友人