particle dispersion 中文意思是什麼

particle dispersion 解釋
顆粒分散
  • particle : n 1 顆粒，微粒；微量，極少量。2 【物、數】粒子，質點。3 【語法】虛詞，不變詞〈冠詞、副詞、介詞、...
  • dispersion : n 1 分散，散開；散布，傳播；離散。2 【物理學】彌散，色散；【化學】分散作用；被分散物；分散相，分...
  1. Beryllium powders with the same particle size and various contents of beo were prepared by pre - sintering - acid washing processes initiatively and the influence of beo alone on o mys of beryllium was observed and some new results have been obtained - compared with the content of beo, the distribution of beo in beryllium has more critical influence on mys ; finely dispersed beo along the grain boundaries and in the matrix results in the dispersion strengthening of beryllium matrix and thereby the higher mys value ; on the contrary, the coarser beo particles clustering on the grain boundaries results in negative influence on o mys

    開創性地用預燒結? ?酸洗工藝制備了相同粒度、不同beo含量的鈹粉，從而開展了beo含量單獨對鈹材_ （ mys ）影響的研究，得出一些新的結果：與beo含量相比， beo在鈹中的分佈狀態對_ （ mys ）的影響更大。沿晶界、晶內彌散分佈的較細小beo對基體鈹有彌散強化作用，使_ （ mys ）即較高；如果beo較粗大地成簇狀聚集在晶界，反而對_ （ mys ）有不良的影響。
  2. ( 4 ) we use sem to observe fractured morphology of composites, and tem to observe dispersion and particle size of nanoparticles or composited nanoparticles in matrix. we also investigate dispersion property of composited nanoparticles in polymer matrix with the help of microtone

    （ 4 ）採用掃描電鏡（ sem ）觀察缺口沖擊的斷裂形貌，通過透射電鏡（ tem ）觀察納米粒子和復合納米粒子的分散情況和粒徑的大小；通過超薄切片法研究復合粒子在聚合物基體中的分散性。
  3. In the paper, the influence of synthetic parameters on particle size, dispersion, the thickness of decorated layer and anti - oxidation of a - fe nanoparticles. and the process conditions of the synthesis and surficial decoration of a - fe nanoparticles are determined

    文中研究了合成反應參數對- fe納米粒子的粒度、分散性、表面包覆層的厚度以及抗氧化性的影響，確定了合成與表面修飾- fe納米粒子的工藝條件。
  4. Particle dispersion due to gravity in gas - particle turbulent flow

    氣粒湍流流動中考慮重力時顆粒的擴散
  5. Ajs20, the precursor contained 20wt % alunina sol seeding, was calcined at around 1000 to get free - aggregation nano - sized a - alaos powders with a median particle size of 70nm. and, calcining ajs2, the precursor contained 2wt % alumina sol seeding, at hoo ' c, we get a - alaos nano - sized powders with a particle size of loonm and good dispersion by tem. this paper also gives the proper mechanisms of these factors " influences on the transformation to alpha phase

    研究結果顯示，含有20wt膠體籽晶的前驅體ajs20在1000左右煅燒就可獲得平均粒徑為70nm 、無團聚的納米- al _ 2o _ 3粉體；而含有2wt膠體籽晶的前驅體ajs2在1100即可獲得粒徑在100nm左右、幾乎單顆粒分散、有少量「樹枝狀」微結構的納米- al _ 2o _ 3粉體。
  6. A series of near roundness cds nanoparticles with a particle diameter of 3 ~ 6nm have been prepared by controlling the concentration and proportion of reactants and adopting sodium hexametaphosphate as stabilizing agent. the studies demonstrate that these particles present obvious quantum size effect and an appropriate excess of cd2 + ion and hexametaphosphoric acid group polysnion are helpful to the dispersion and flame capability ' s improvement of particles. another series of near roundness monodisperse au nanoparticles with a diameter of 12. 3nm was prepared via sodium citric acid deoxidizing auric chloride acid

    利用六偏磷酸鈉作為穩定劑，通過控制反應物的濃度及比例，制備了粒徑為3 6nm 、呈近似球形的cds納米顆粒，光譜測試結果表明，顆粒具有明顯的量子尺寸效應，適當過量的cd ~ （ 2 + ）離子以及六偏磷酸根聚陰離子有助於顆粒的分散並提高其發光性能；採用檸檬酸鈉還原氯金酸，制備了接近球形、平均粒徑約為12 . 3nm的單分散體系au納米顆粒；採用wessling的前驅聚合物法獲得導電聚合物ppv前驅體。
  7. Our main conclusions are that surface polar interaction can give rise to a transition from a high temperature homogeneous alignment to a low temperature hometropic alignment, that if the strength of the surface polar interaction is weaker than the one of surface dispersion interaction, the homogeneous alignment of the nematic is always stable. part ii : a two - particle cluster theory is presented to study the effect of a solid bounding surface on the nlcs formed by polar molecules

    獲得的重要結論是：摩擦基板與液晶分子間的表面極性相互作用能引起基板間向列相液晶分子指向矢出現高溫沿面到低溫垂面的轉變；當表面極性作用強度弱於表面色散作用強度時，基板間向列相液晶分子平行於基板的排列非常穩定。
  8. In addition, the vortex structures of the gas flow field and particle dispersion were studied when the coupling action between the two phases was considered in the case of different mass loading of mediate stokes number particles was provided in the gas - particle plane jet

    另外，文中還模擬研究了氣粒兩相平面射流中不同質量攜帶率下中等stokes數顆粒與氣相流場的相間耦合作用下氣相流場的旋渦擬序結構以及顆粒運動擴散規律。
  9. The viscosity and dispersion of the slurry are remarkably improved after particle surface coating properly. on the other hand, the dispersion of the slurry, in the process of mixing, is showed actually by haring the sample by uv in the short time

    另外，通過採用紫外光固化原理，對漿料樣品先行固化，所制得樣品保持了粉體在漿料中原始分散狀況，真實的反映了在捏合過程中，顆粒在丁羥膠中分散的變化情況。
  10. It is the fist thing to make particles to mix with htpb equally by the mixer. many superfine particles with various particle diameters, varieties, content and surface coated had been employed to study the influence on viscosity and dispersion of the slurry

    為了使加入的粉體通過捏合機的捏合，在丁羥膠中得到均勻的分散，我們分別研究了粉體的粒度、品種、組成及粉體表面經包覆處理后，對推進劑漿料的粘度、分散性的影響。
  11. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動檢測技術和光散射顆粒粒度分析儀（ pda ） ，通過理論分析，將pda的輸出信號之一? ?平均透光強度（對應于dc值）作為原水的特性表徵參數， dc值可以同時反映顆粒濃度和比表面積因素的影響，試驗結果證明， dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系： dc = cs _ p ~ d ，式中c 、 d為經驗系數，進而得到了以dc值為參數的高分子絮凝劑投藥量公式： d = f （ dc ） = e （ dc ） ~ f ，式中： e 、 f為經驗系數，平均相關系數達0 . 981 ，利用所建立的公式，建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  12. Our chief products is plastics blown film line in single, two, three, five layers ; rubber or plastics dispersion ; rubber mixing mill ; plastic particle production machines ; swp series plastic crushers ; plastic particle cutting machines ; and pipe extrusion line, etc, and undertakes processing and reformation of plastic and rubber machine fittings and equipments from both home and abroad

    主要產品：單層、二層、三層、五層塑料吹膜機組，橡膠塑料加壓式捏煉機、開煉機，塑料造粒機，塑料破碎機，切粒機，管材機組等數十個品種，並承接和生產國內外塑料、橡膠機械配件的加工改造。
  13. A numerical simulation on liquid - gas two phase leakage dispersion by using two particle turbulent models

    兩種顆粒湍流擴散模型數值模擬氣液兩相流泄漏擴散的比較
  14. This kind of catalyst was very fine, with strong interaction between the support and the active component particle, and high dispersion of such particles on the surface of the support. yield of carbon nanotubes can also be improved greatly by the doping of molybdenum to catalyst

    本文所採用的檸檬酸法瞬時燒爆工藝制備的催化劑，顆粒小，載體與活性組分接觸好，活性組分分散均勻，可望實現單壁納米碳管的大規模製備。
  15. At last, three - dimensional mathematical model of gas - particle two phase turbulence was established, and it was adopted to study the gas - particle two phase rectangular jet as well. the distribution of the time - averaged velocity and turbulence intensity was studied, and some of the simulation results were compared with the experimental results ; the coherent structure of flow field was described in the three direction, the evolution and motion of the eddies was discussed too ; the dispersion of fine particles in the three dimensional space was also investigated

    全面地分析了矩形射流氣相時均流場的速度、湍流強度的空間分佈規律，並就部分數值模擬結果與實驗結果進行了對比研究;描述分析了氣相流場湍流擬序結構，對流向、橫向和展向三個方向旋渦的空間結構特點進行分析研究，並分析了流向渦隨時間變化的發展、運動規律。
  16. ( 3 ) the most principal factors that influence the supersonic atomization process include the flow ratio of the gas - liquid metal ( gmr ) value, the flow of atomizing of gas and the range of the inverse vortex taper. the more of the value of three factors, the more advantage they are for the atomization and the more fine the powders are. ( 4 ) the produced powders are the best in efficient atomization efficiency, particle diameter, particle shape and dispersion when the solder alloy is zhl63a, atomizing medium is n2, the protrusion h = 6. 0mm, atomizing gas pressure p = 100mpa, over - heat temperature t = 167 ( t = 350 )

    研究結果表明： （ 1 ）超音速霧化器的氣體流場在導液管下端形成一個倒渦流錐，在二維空間上呈軸對稱的雙峰分佈，負壓形成於這個倒渦流錐內； （ 2 ）修正後的霧化氣體速度公式可以滿足超音速霧化的要求； （ 3 ）影響超音速霧化工藝最根本的因素有氣液質量流率比（ gmr ）的大小、霧化氣體流量和倒渦流錐范圍，三個因素的值越大，對形成細粉越有利； （ 4 ）在焊錫合金為zhl63a ，霧化介質微n _ 2 ，導液管突出高度取h = 6 . 0mm ，霧化氣體壓力取p = 1 . 0mpa ，合金過熱度取t = 167 （ t = 350 ）時，所制得的粉末在有效霧化率、顆粒球形度、粒度及其離散度三個方面綜合性能最好。
  17. Particle swarm optimization algorithms in synthesis of fiber gratings for the non - dispersion filters in the optical communication

    光通信中零色散光柵濾波器的粒子群優化演算法設計
  18. Particle dispersion affected by turbulent coherent structures in a three - dimensional mixing layer

    三維混合層中湍流擬序結構對顆粒擴散的影響
  19. Abstract : attention is focused on the random mathematical model of particle dispersion in non - uniform turbulent fluid. according to the initial condition, the analysis formulas of point source, linear source and surface source are derived. numerical results are easily obtained by combining linear analytical method with nonlinear numerical method, which are compared with the experimental data

    文摘:研究粉塵顆粒隨機擴散數學模型，在非均勻湍流場中，根據初始條件，推導出點源，線源和面源的解析計算式，其數值計算結果與試驗吻合
  20. Attention is focused on the random mathematical model of particle dispersion in non - uniform turbulent fluid. according to the initial condition, the analysis formulas of point source, linear source and surface source are derived. numerical results are easily obtained by combining linear analytical method with nonlinear numerical method, which are compared with the experimental data

    研究粉塵顆粒隨機擴散數學模型，在非均勻湍流場中，根據初始條件，推導出點源，線源和面源的解析計算式，其數值計算結果與試驗吻合
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