顆粒團 的英文怎麼說
中文拼音 [kēlìtuán]
顆粒團
英文
cluster of grains-
Bursting bubbles of gas project agglomerates of particles into the space above the bed.
爆裂的氣泡把一團團的顆粒投射到床層上部的空間中去。To improve the dispersivity of particles, research the agglomerative mechanism that the nanometer powder aspect universally exists to the liquid phase
為改善顆粒的分散性,對液相合成納米粉體普遍存在的團聚以及相應機理進行了探討。These energetic intermittent slugs of gas cause the initial dislodgement of solids and the subsequent breakup of agglomerates.
這種強有力的間歇的氣體涌動引起最初的固體顆粒移位和隨之而來的顆粒團的破裂。Index : outward appearace white powder, no cade, no variegated pellet
產品外觀:白色粉末、無結團、無雜色顆粒。Crumb structure the texture of a soil in terms of the size of the soil particles and how they interact, often determined simply by rubbing the soil with fingers
團塊狀構造:根據土壤顆粒的大小及顆粒之間的相互作用而決定的土壤的質地結構。By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent
最後,本文還對絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針對高分子絮凝黃河泥沙,對絮凝過程作了一些符合試驗條件的假設,建立了顆粒碰撞頻率表達式,應用了顆粒數量平衡方程,從而建立了絮凝過程的動力學生長模型,模型計算結果與試驗數據對比表明,二者趨勢一致,在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程;對絮體結構的研究中,應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生長階段,通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體,建立了絮體結構模型,計算得到的模型絮體分形維數基本與試驗中的實際絮體相符,在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。The difference of reactive mechanisminduced the difference of their structure. v _ 2o _ 5 product prepared by melting - cooling showed more notable undefined structure. after heat - treating under300, particle size becomes smaller, and aggregate to globate grain, showesbetter electrochemical performance at low charge - discharge rate
熔融淬冷法合成的樣品其無定型結構更明顯,前驅體經過300熱處理后,材料的粒徑變細,團聚成球狀的顆粒,球狀特徵更顯著,在低倍率下具有較好的電化學性能。A large number of grume granules exist in plasmodium
原質團中存在大量的黏液顆粒。Taking the effect of big du. flers into account, we explain the volume - fraction dependence qualitatively by effective duster model. meanwhile, we enterpret phenomenonally the rnagnetoresistance dependence on ii 3 temperature in doped pervoskite manganite films
計入磁顆粒集團的影響,改進有效介質理論,採用有效集團模型,可以對巨磁阻濃度效應恰當地定性解釋。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。Based on this kind of relations between the topological structures and the content distributions we study the web modelling, community identification and some related application problems in detail : first, after some existed characteristics of the web topology are verified, some new characteristics are discovered : the high clustering property in micro - topology ( high average gathering coefficient ), the obvious mapping relation between the topological struture and the content in micro - level 、 linear irrelevant between the degree distribution of network nodes and the relative degree distribution of contents etc. then after analysis the topology of the complex network and the network modeling, the muti - scale determinism is proposed, especially for the information network a web evolvement model ( prcp model ) that fused the node authority and the node correlation is proposed. the model deduction, evolving learning verification and large scale experiment proof indicate that the model can explain the micro - topology centralizing phenomena, can imitate the mapping relation between the network connecting distribution and network content relative distribution and also can predict the mapping relation between the topology clustering and content clustering
本文在詳細觀察了web網路的拓撲結構特徵以及拓撲結構與內容分佈相互關系的基礎上,以信息網路的物理連接拓撲結構與節點內容相關度分佈之間的相互關系為主線,從網路特徵、網路建模、社區分析及相關應用方面問題進行了深入細致地探討:首先在驗證了前人提出的web網路拓撲結構特徵基礎上,進一步發現了信息網路所具有的一些新特徵: 1 )網路微觀顆粒度的拓撲結構聚團與內容聚團存在明顯的映射關系,具體包括節點之間的物理連邊概率與節點之間的內容相關度成指數比例關系、節點形成三角形拓撲結構的概率與節點內容相關緊密程度之間同樣具有一種指數比例關系; 2 )網路節點連接度整體分佈與節點內容相關度整體分佈是線性無關的; 3 )網路微觀拓撲結構中的存在很強的集聚性(平均聚團系數很高) 。The critical concentration and critical particle surface area in constant rate section is studied. the floc density pa and the floc equivalent diameter da are calculated on the basis of experimental data and theoretic analysis
研究了等速段的臨界濃度、臨界顆粒表面積;分析計算了絮團密度_ 、泥沙絮團當量直徑d _ 。The system of piv is constructed suitable for measuring the particle movement and the flow pattern of particle clusters is visualized in the cfb. under the low and high solid flux, this work also study the aggregate properties such as the two - dimensional shapes, velocity and existence time of clusters on several axial / radial positions
對循環流化床冷態實驗臺兩測試段進行了流型和顆粒團可視化研究,分別獲得了較低循環流率下過渡區和在高循環流率下稀相區顆粒團的運動速度,形狀,持續時間及其動態變化情況。It is especially suited for removing tattoos, improving incorrect eyebrow tattoos and eliminating freckles, senile plaque, foxiness in shallow skin and tatiana mole in deep skin and has also produced a good curative effect in treating blood vessel and other skin disease
毫焦耳,色素團在瞬間吸收了高能量的激光后迅速膨脹,破裂成細小顆粒,這些小顆粒被體內的巨噬細胞吞噬後排出體外,色素逐漸變淺,最後消失,達到治療的目的。The model shows that : 1 ) structure of the stabilized soil from silt is formed by hydrates, which are generated by hardening agent hydration, wrapping and cementing soil particles and filling pores among the particles ; 2 ) structure of the stabilized soil formed from clayey soil is formed by the hydrates wrapping and cementing clay particle groups, filling pores among the groups, and squeezing and filling pores in the groups
該模型認為:粉土固化土結構是由固化劑水化物充分包裹膠結土顆粒和填充土顆粒間孔隙而構成;黏性土固化土結構是通過固化劑水化物包裹膠結土團粒、填充土團粒間孔隙、擠壓填充土團粒內孔隙而構成。It strengthens the process of heat exchange. at the bottom of drier, the large and damp granule is crushed under the action of stirrer and the granule that is small in particle and contain less moisture will lift accompanied with revolving air stream
在乾燥機底部,較大較濕的顆粒團在攪拌器的作用下被機械破碎,濕含量較低顆粒度較小的顆粒被旋轉氣流夾帶上升,在上升過程中進一步乾燥。Under the low solid flux, the particle velocity in the whole flow field was processed by mqd in the transitional flow regions. the results show that the variation of particle velocity with the time and the influence of particle clusters in the real time. under the high solid flux, in the dilute flow region, the particle velocity is analyzed and discussed with the variation of operating condition
在低循環流率下對過渡區典型流態下顆粒團的不同流態進行了mqd法處理,獲得了整場顆粒運動速度及隨時間變化規律,顆粒團運動對流場內顆粒速度的動態影響;對稀相區在較高固粒流率下對顆粒運動速度進行了變工況分析和討論。Investigation of gas - clusters two - phase flow in circulating fluidized beds
顆粒團聚物兩相流體動力特性的研究Visual images and micro - structure of various clusters are also captured using high - speed imaging under the typical operating conditions, which reveals the variability of gas - solid flow pattern under high solid concentration
同時獲得了典型工況下多種流態圖及顆粒團顯微圖片,揭示了循環流化床內氣固流型及其變化規律。The effects of superficial gas velocities and restitution coefficients on the flow behavior of two - phase flow and clusters were analyzed
研究了氣體表觀速度和碰撞彈性恢復系數對氣固兩相流動特性以及顆粒團聚物流動特性的影響。分享友人