顆粒床層 的英文怎麼說

中文拼音 [kēlìchuángcéng]
顆粒床層 英文
granular bed
  • 粒 : Ⅰ名 （小圓珠形或小碎塊形物） small particles; grain; granule; pellet Ⅱ量詞（用於粒狀物）
  • 床 : i 名1 （供人睡覺的傢具） bed; couch 2 （像床的器具、地面） something shaped like a bed Ⅱ量詞（用...
  • 層 : i 量詞1 （用於重疊、積累的東西 如樓層、階層、地層） storey; tier; stratum 2 （用於可以分項分步的...
  • 顆粒 : 1 （小而圓的東西） pellet; bead; dust; anything small and roundish （as a bean pearl etc ）2 （一...
  1. 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。
  2. By infrared spectrum study, the limonite ( feooh nh2o ) can be considered the main colorating mineral in the yellow and red jadeite, and the hematite is another colorating mineral in the red jadeite. the difference of color tone is due to the n value in the molecular formula feooh nh2o and the content of crystal water and adsorbent water. the iron ion came from the effloresced and eroded rocks, and formed fe ( oh ) 3 colloid reacted with the surface water

    周圍礦床的風化蝕變為表生水提供了鐵質，形成弱酸性的含fe （ oh ） _ 3膠體的水溶液，表生水流經翡翠礦石時， fe （ oh ） _ 3膠體附著在巖石的表面，經過脫水結晶和吸附，形成褐鐵礦膠體，褐鐵礦膠體沿裂隙或鬆散的礦物顆粒進入翡翠巖石中，逐漸累積沉澱，形成次生色層。
  3. Elutriation refers to the selective removal of fines by entrainment from a bed consisting of a mixture of particles sizes.

    揚析是指從由各種顆粒直徑的混合物形成的床層中選擇地夾帶出細粉顆粒的過程。
  4. Particles wander everywhere in the bed.

    顆粒在床層中到處游動。
  5. The fluidity of such beds is near to that of the smallest particles.

    該床層的流度將接近於最小顆粒的流度。
  6. On the contrary, beds of large uniformly sized solids often fluidize poorly with bumping, spouting and slugging.

    相反，均勻大顆粒床層常常由於碰撞、噴射和騰涌而流化不好。
  7. The rapid mixing of solids in the bed leads to nonuniform residence times of solids in the reactor.

    固體顆粒在床層迅速混合，導致顆粒在反應器中停留時間不均。
  8. In addition, elutriation, growth, shrinkage and reaction act differently for the different-sized particles in the bed.

    此外，揚析、長大、縮小和反應對床層中不同粒度的顆粒所引起的作用也不相同。
  9. Start-up of a large bed of solids can be difficult and dangerous.

    一個大型固體顆粒床層的開工會是困難的和危險的。
  10. The experimental results showed that the bed temperature and the adhe - sive concentration and especially the fluidizing gas velocity had great influence on the granule ' s strength

    結果表明，在本實驗范圍內，流化氣速對顆粒強度的影響顯著，床層溫度、粘結劑濃度對顆粒強度也有較大的影響，而且均是非單調的。
  11. With gelatin liquor as adhesive and wheat meal as granulation material, the effects on spray granule ' s strength of fluidizing gas velocity, bed temperature, nozzle air pressure and adhesive concentration were studied experimentally in a batch conical fluidized bed spray particle generator

    本文在一間歇錐形流化床噴霧造粒器中，以食用小麥澱粉為原料，以明膠的水溶液為粘結劑，實驗研究了流化氣速、床層溫度、噴嘴霧化空氣壓力、粘結劑濃度對噴霧造粒顆粒強度的影響。
  12. The experimental results showed that the maximum pressure drop and the operational pressure drop were related with particles diameter, bed height and superficial velocity, and the latter was also related with bed structure

    實驗表明：雙噴嘴矩形噴動床的最大噴動壓降和操作壓降與顆粒粒徑、床層高度及表觀氣速有關，而操作壓降還與床體結構有關。
  13. In this paper, urea particles and oil - vegetable seeds as initial particles are used to study granulation process in a vibrated fluidized bed, where the initial particles grow in a layered manner by spraying melt urea solution on them and reached the required granule size

    本文以尿素或油菜籽顆粒為晶種，以不同濃度的尿素溶液為噴霧料漿，對振動流化床噴霧造粒特性進行了實驗研究。實驗在晶種上噴塗尿素熔融液或不同濃度的尿素溶液，使其以層式機理長大。
  14. During the spray granulation, either solutions, suspensions or melted liquid are sprayed onto dried moist particles that are located in the flow zone of the fluidized bed, then the granulation process involving vaporization crystallization, dessication and chemical reactions completes in the same equipment

    流化床噴霧造粒是將溶液、懸浮液或熔融液噴霧到已經乾燥或不完全乾燥顆粒的流化床床層內，在同一設備內一步完成蒸發、結晶、乾燥或化學反應的造粒過程。
  15. With the tracing particles, the sinking velocity of middle and higher density particles that pass through the lower density coal particles in jig bed for different jigging air circle were measured. the results showed that the air cycle with a long inlet period can promote the separation of middle and higher density particles and lower density coal particles

    運用彩色人工顆粒，對不同跳汰周期下中、高密度顆粒在低密度煤炭床層中的沉降速度進行了示蹤研究，確認長進氣期周期有利於中、高密度顆粒與低密度煤炭顆粒的分離。
  16. In this paper, high heat penetration into a moving particulate bed is described mathematically with a comprehensive heat and mass transfer model. the distribution of gas velocity and pressure, the temperature field of gas and solid in the moving particulate bed are examined for different conditions. the results show that thermal penetration into the moving packed - bed particles by fluid flow in porous media is high only in the position near the gas entrance. the thermal penetration thickness tends to increase with the fluid flow velocity and decrease with the particle moving velocity. in the region of thermal penetration, the porosity of solid bed has significant effect on gas field and pressure loss. it is feasible to reduce the gas pressure loss by a larger width / height packed bed in design and operation. the correspondence between thermal infection depth and particle bed height would be helpful to keep high oapacity of reactor and reduce the cost of operation

    針對移動顆粒床中物料層內的高溫氣體滲流傳熱現象，考慮滲流與傳熱的相互作用，採用局部非熱平衡假設建立了多孔介質滲流傳熱物理數學模型並進行了數值計算.研究了不同情況下床內填充多孔介質中的流速、氣固溫度和床層壓力損失.計算結果表明，高溫熱氣對移動床顆粒料層的熱滲透主要發生在滲流入口端區域，增大入口滲流速度以及減小床層物料下移速度將導致物料溫度沿床高慢速下降，熱滲透深度擴大，熱滲透作用區域內的物料溫度水平提高.在熱滲透作用區域，孔隙率對流場和壓力損失有很大的影響.研究結果對于移動顆粒床反應器的設計與運行具有一定的參考作用
  17. In the previous direct simulation monte carlo ( dsmc ) method used in the dilute gas - solid flow, particle collision probability was calculated by the equation used for rarefied gas molecules. and gas phase was simulated by the laminar navier - stokes equations

    已有的應用直接模擬蒙特卡羅（ dsmc ）方法模擬流化床內稀疏氣固兩相流動的研究中，均採用稀薄氣體分子碰撞概率的計算方法計算氣固兩相流中顆粒的碰撞概率，採用層流navier - stokes方程模擬氣相流動。
  18. Particles of the same size also have different lengths of stay in the bed.

    同一粒度的顆粒在床層中的停留時間也不同。
  19. Based on the experiment of dust removal in a granular layer at normal temperature and the analysis of the experimental results, the influence of filter particle diameter, layer thickness and filtration velocity on the dust removal efficiency was researched

    摘要在常溫下，採用固體顆粒層進行過濾除塵的實驗研究，並對實驗結果進行分析，探索了過濾介質粒徑、過濾層厚度和過濾速度對除塵效率和床層壓力差的影響。
  20. It was found that the ultra - fine powder can flow smoothly in a spouted bed with a draft tube under some sorts of design parameter and operating condition, thus a new effective method to improve fluidization quality of the ultra - fine powders is obtained ; at higher supplied gas velocity, an increase in the solid circulation rate is observed ; the extent of the distance between the nozzle and the draft tube inlet result in the promotion of the solid circulation rate ; the solid circulation rate increase with increasing the draft tube diameter or the bed mass ; the gas bypassing is nearly zero in the present work ; and the solid flow in the annulus is observed as a moving bed

    結果表明：在一定的床層結構和操作條件下，超細粉可以在導向管噴動床中實現平穩流化，從而為改善超細粉的流化質量提供了一種有效的新方法；固體循環速率與噴動氣流量、導向管直徑、導向管底部與噴嘴出口間距以及床層裝填量成正比；氣體則基本上不存在「旁路」現象；環隙區中的顆粒流動表現為一移動床特徵。
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