diameter distribution 中文意思是什麼

diameter distribution 解釋
直徑分佈
  • diameter : n. 1. 直徑。2. (顯微鏡等的)放大倍數。
  • distribution : n 1 分配,分發,配給;分配裝置[系統];配給品;配給量;【經濟學】配給方法,配給過程;分紅;【法律...
  1. Firstly, simulate flow field of rear smoke channel, plot velocity magnitude and ash concentration distribution in section of entry of heat pipe air preheater, compare with data which were measured in guiyang power station, verify simulation to be reasonable and right. secondly, simulate all kinds of factors which affect flow field ' s uniformity such as length, thickness, location of diffluent board, ash concentration, ash diameter, and so on, find the chiefly factors. thirdly, install guide board in curve channel in rear smoke channel, then simulate its " flow field, plot velocity magnitude and ash concentration distribution

    在此基礎上模擬在冬夏兩季不同情況下,不同流速對熱管空氣預熱器壁面溫度的影響;然後對影響整個流場分佈的各種因素:包括分流板長度、厚度、偏離中心流道位置的偏離度、飛灰濃度、飛灰粒徑等因素進行數值模擬;最後提出在分流煙道轉彎處加裝導流板,並模擬加裝導流板后的流場分佈,得到下級空氣預熱器出口、熱管空氣預熱器進口處的斷面速度場分佈、濃度場分佈,以論證加裝導流板能達到流場均勻化的作用。
  2. The three - dimensional cloud model with hail - bin microphysics could simulate the characteristics of the severe storm such as life cycle, rainfall distribution and diameter of hail well, and also could produce strong downdraft and wind shear ( downburst )

    而利用三維強冰雹雲模式對此次強風暴的生命史、降水分佈、降雹的大小等要素做了較好的模擬,並能夠模擬出伴隨強風暴過程所產生的強下沉氣流和及地面強風速切變(下擊暴流) 。
  3. Ill 2, xi ' an university of technology 2. at the same holding temperature, when the holding time increased, the equal - area - circle diameter trended to uniform, and the distribution of the roundness approached to gaussian distribution

    2 、相同等溫溫度條件下,改變等溫時間,等積圓直徑的分佈隨時間的延長趨向均勻,晶粒球化度接近於正態分佈。
  4. The equipment could mill all kinds of material which could be milled on traditional pulverizer, but also could mill powder which strictly prescribe the maximal diameter and size distribution is confined, such as kaoline, talcum powder, copycat powder, coating, mica, hormones, alumina etc

    設備都能超細加工在普通粉碎機上能夠被粉碎的物料,尤其適合加工那些嚴格規限最大顆粒井要求粒度分佈狹窄的產品,比如高嶺土、滑石粉、復印機粉、塗料、雲母、生長素、氧化鋁等。
  5. Based on this model, the effects of geometric and structural parameters, such as injection pressure, rear pressure, length - diameter ratio, inlet round angle - radius ratio and non - axis symmetry of nozzle, on the distribution of the cavitation inside the nozzle are analyzed

    基於這一模型進一步分析了噴射壓力、背壓和噴孔長徑比、噴孔入口圓角比、非軸對稱噴孔等幾何結構參數對噴孔內空穴分佈的影響。
  6. The experimental results show that the cycle of the mother liquid increases the yield of the product, the seed crystal can improve long - diameter ratio remarkably, the proper additive reduces the speed of crystal growth and make size distribution homogenize. through appending different seed crystal and bivalent lead at one time, we may receive when the content of the seed crystal is 0. 075 % and pb2 + is 20 - 50ppm, the yield of the basic magnesium chloride whisker is high and crystal shape is good. the surface active agent can improve dispersion performance of the basic magnesium chloride whisker

    研究結果表明:母液循環可以提高堿式氯化鎂晶須的產率;添加晶種可明顯的改善晶形;合適的添加劑可以降低晶體生長速度並可提高晶須的粒徑分佈;而同時加入不同用量的晶種和pb ~ ( 2 + ) ,試驗結果表明晶種含量在0 . 075 , pb ~ ( 2 + )在20 50ppm時,晶須的產率高,晶形好;表面活性劑對產品的分散性能有所改進。
  7. Furthermore, referring to the literature and considering the specific experimental conditions given by the research, expression of the change of feed rate with time is presented, to obtain the linear growth of the diameter of pre - sintered glass beads, thus the distribution of beads size is relatively well controlled and raw material is spared in some extent. eventually, during the experiment discrete change of feed rate is implemented, and the practical changes of average diameter are plotted, then the results are compared with the theoretical calculated data

    另外,本文通過對造粒技術、燒結過程的大員文獻調研,結合本研究的具體情況,通過控制進料速率呈連續性變化,基本實現了燒結前球坯直徑的線性生長變化,從而更有利於實際生產中的產品粒度控制以及做到節約用料,並在試驗操作中以離散型進料速率變化來加以比較驗證。
  8. Results protein - loaded microspheres showed good sphericity and narrow diameter distribution, the encapsulation efficiency reached 95 %

    結果微球球形度優良,粒徑分佈窄,蛋白質包封率達到95 % 。
  9. The species, heights, diameter breast heights, canopy widths and plant numbers in 38 quadrats of 6 belt transects, which were located in yingsu cross - section and kaerdayi cross - section lying in the lower reaches of tarim river where populus euphratica concentrated, were investigated to study the distribution patterns, aggregation intensities and distribution pattern scales of p. euphratica populations at different distances away from the river

    摘要在塔里木河下游胡楊分佈集中的英蘇、喀爾達依斷面,設置了6條樣帶38塊樣地進行植被種類、高度、胸徑、冠幅、株數等因子調查,研究了不同離河距離胡楊格局分佈類型、聚集強度及其格局規模。
  10. Pore parameters ( porosity and distribution of pore diameter ) of porous glass prepared by filler principle were measured and analyzed. they were mainly determined by the volume ratio and the particle diameter of the pore former in the green body. preparation and sintering process of the samples resulted in the difference between the porosity and the volume ratio of the pore former. they were also responsible for the deviation between the distribution of poer diameter and the particle diameter of pore former

    研究表明,利用填充法制備的多孔玻璃的孔參數(氣孔率、孔徑分佈)可進行設計與控制,多孔玻璃的氣孔率和孔徑分佈主要取決于成孔劑的體積比及其顆粒分佈,前者與後者之間的偏差取決于生坯制備及燒結過程。
  11. The ignition processes of two stages pc are studied. the influence of particle diameter distribution, parameters of two coal - air mixture, wall temperature of first ignition chamber is investigated

    數值模擬方法的建立,為感應加熱煤粉無油點火的研究開拓了研究思路,提高了研究進度,降低了研究成本。
  12. On the basis of theories of physics, geometrical optics and photometry, the optical properties of collimated light beam incident upon single fiber perpendicular to the fiber axis are studied. by exploring the behaviors of reflected light and transmitted light from single fiber, the distribution of the light is described and the proportionalities between the intensity of the reflected, transmitted and scatered light are obtained respectively, and the different laws governing the intensity of diffused light and transmitted light from single fiber between near and far field are discussed. experiments demonstrate that the decrease of projecting light in far field is in direct proportion for the increase of fiber diameter, which serves as the theoretical basis for a series optics equations, as well as for the designment for photoelectric deviccs for detecting fibers

    結合物理學的基本原理和幾何光學的基本規律以及光度學的基礎理論等三方面,研究了單纖維在平行均勻光束垂軸入射時的光學性質.分析了單纖維反光和透光的特徵,光強分佈及反射光、透射光和散射光的相對大小;討論了在近場和遠場條件下,漫反射光和透射光光強的不同規律;通過實驗驗證了遠場時,纖維的漫射光強度與纖維直徑成正比的關系
  13. An experimental study is carried out on the effect of following factors on the combustion performance of a vehicle fuel heater : geometric parameters ( the number, diameter, distribution and direction of combustion chamber intake holes ) and intake and exhaust pressures

    摘要對車用燃油加熱器燃燒室進氣孔徑(流通面積) 、孔的分佈、孔的方向等幾何參數和進排氣壓力對加熱器燃燒性能的影響進行了試驗研究。
  14. Production of bamboo - shape carbon nanotubes film with uniform diameter distribution and its characterizations

    窄直徑分佈竹節狀納米碳管膜的制備和表徵
  15. In order to explore the influence of particle diameter on flow field and ablation, particle collection experiments under simulated acceleration conditions were conducted and diameter distribution was obtained

    為分析粒徑對流動計算、燒蝕的影響,開展了模擬過載條件下的粒子收集試驗,獲得了在聚集狀態下的粒徑分佈。
  16. The micropcms were prepared by using in - suit polymerization with prepolymer of melamine - formaldehyde ( mf ) and charactized the properties such as shape, diameter distribution, thermal prosperities, strength, shell thickness and penetration property

    利用激光粒度分佈儀、 sem 、 dsc和tg分別研究了所得微膠囊的粒徑分佈、表面形態及熱性能的影響因素。
  17. Sconed, the tangential shear velocity and the radial particle diameter distribution are derived according force balance in the annulus, in order to reduce or pervent the particle to remove toward the membrane surface

    第二、根據粒子的力平衡理論推導出旋轉流中粒子不向膜面沉積的周向剪切速率及徑向粒徑的分佈規律,並指出徑向速度對粒子沉積的影響。
  18. 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。
  19. The development and the application of digital putting pictures together technology solve the question that the microcosmic big hole ca n ' t analysis completely and that the microcosmic panorama ca n ' t object exhibition. the development and application of the emulsified smear analytical technology provide the ration guideline for defining emulsion style emulsion grain diameter distribution, emulsion stability

    在實施推廣應用過程中,針對原有圖像儀存在的問題,對各單項技術進行了改進和完善,並相繼開發了微觀真彩色普光數字照相技術、熒光數字照相技術、數字拼圖技術、乳化油塗片分析技術,引用了數字圖像處理技術、圖像壓縮技術。
  20. The diameter distribution of one - step anodic oxidation is even, but the shape of the holes is not uniform while it becomes better afer second oxidation for 20min

    一次氧化得到的aao模板孔徑均勻,但分佈和形狀不規則,二次氧化20min有所改善。 40 , 50v得到的結果較好。
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