mass propagation 中文意思是什麼

mass propagation 解釋
大量繁殖
  • mass : n 彌撒;彌撒的儀式[禱告、音樂];彌撒曲。 a high [solemn] Mass (有燒香、奏樂等的)大彌撒。 a low ...
  • propagation : 持續培養
  1. The proportion of plastic shrinkage cracking is rather high in early cracking. the plastic shrinkage cracking would effect construction appearance and promote the propagation of drying shrinkage cracking or other types cracking, but also provide a passage for aggressive agents penetrating and moving to the concrete mass

    塑性收縮裂縫在早期裂縫中佔有相當大的比重,其存在不僅影響工程外觀,促使乾燥收縮裂縫或其它形式裂縫的發展,而且還將為侵蝕性介質向混凝土基體滲透、遷移提供通道,對混凝土的耐久性造成嚴重影響。
  2. Optimization of tissue culture and rapid propagation on sweet cherry dwarf rootstock gisela in mass production

    大櫻桃優質矮化砧木吉塞拉批量組培快繁系統優化的研究
  3. Neural network method is applied to the strength prediction. the ratio of water to cement material, the mass of fly ash and the silicon fume are regarded as network inputs and th e 28d strength is the target. the inputs and target are used to train a three layers back - propagation network

    在神經網路應用中,以水膠比、膠凝材料用量和粉煤灰摻量作為輸入,以28d抗壓強度作為目標輸出,對一個三層bp網路進行了訓練,然後利用訓練后的網路對已知配比和28d抗壓強度的混凝土進行了強度預測。
  4. The one - loop vacuum polarization is calculated for untwisted and twisted scalar fields in a flat space - time with the topology s1 r3. the effect of vacuum polarization upon photon propagation is considered. it is found that for the untwisted scalar field some photon modes acquire a positive topological mass, thus travelling at a subluminal speed ; but for the twisted scalar field some photon modes get an imaginary topological mass and travel at a superluminal speed

    本文中我們首先計算了在拓撲結構為s ~ 1 r ~ 3的非minkowski時空中扭曲標量場和非扭曲標量場的真空極化,然後考慮了真空極化對光子傳播的影響,我們發現除了光子的極化方向和傳播方向都垂直於緊致化方向的情形之外,非扭曲標量場的真空極化使所有其他的光子模式都獲得實的拓撲質量從而導致這些光子以亞光速傳播;但是,扭曲標量場的真空極化使光子獲得虛的拓撲質量以致他們以超光速傳播。
  5. On the basis of the study of the characteristics of diffracted wave produced during the vibration propagation along the fissures, in association with practical example, the paper introduces the features of prospecting the depth of fissures of structural mass by using the seismic method

    該文在研究振動沿裂縫傳播時所產生繞射波的特徵基礎上,結合實例,介紹了運用地震法探測結構體裂縫深度的方法特點。
  6. Abstract : on the basis of the study of the characteristics of diffracted wave produced during the vibration propagation along the fissures, in association with practical example, the paper introduces the features of prospecting the depth of fissures of structural mass by using the seismic method

    文摘:該文在研究振動沿裂縫傳播時所產生繞射波的特徵基礎上,結合實例,介紹了運用地震法探測結構體裂縫深度的方法特點。
  7. Soft power in the process of globalisation and china ' s mass culture propagation

    全球化進程中的軟權力與中國大眾文化傳播
  8. Under the environment of mass propagation, the current people are easily affected by the " virtual world " made by the media

    摘要大眾傳播環境下,當代人更容易被媒介所製造的「虛性世界」左右,人們對紛繁復雜的世界的了解,更多地依仗傳媒的介紹。
  9. Take the fast transient mass transfer of nacl solution within solid porous material for granted, experiments on mass transfer were done in order to explore the macro physical behavior under the condition of suddenly contact of nacl solution and porous material. base on the experimental results, the physical behavior and mechanism of mass transfer of nacl solution within porous material were analyzed and discussed. the results indicate that under the condition of suddenly contact, the mass transfer of nacl solution in porous material has apparent wave propagation mechanism

    以nacl溶液在固體多孔材料中的快速瞬態傳質為例,對nacl溶液和固體多孔狀材料突然接觸情況下, nacl溶液在固體多孔狀材料中的質量傳遞過程所表現出來的宏觀物理行為進行了實驗研究,根據實驗結果,對液體nacl哈爾濱工程大學博士論文一溶液在多孔狀材料中質量傳遞的物理行為和機制進行了分析和討論。
  10. A square sensing area was formed upon each of the saw propagation paths using photoresist. when some kind of material deposits on this area, the saw propagation velocity will decrease due to the mass - loading effect, causing a shift in the device ' s oscillation frequency, which gives indication of the mass deposited. the dual - path architecture, one for sensing and one for reference, was used to compensate for the disturbance of temperature

    利用光刻工藝在每個聲傳播路徑上構造了一個方形質量沉積區,當有物質沉積到該區時,由於質量沉積效應,聲表面波的波速發生變化,使以延遲線作為反饋迴路的振蕩器的振蕩頻率發生變化,並通過這一變化反映出沉積物的質量。
  11. Specifically, the line of deep convective seems to provide the waves energy through enhancing mass convergence / divergence, the waves tend to help organize convective elements into a line structure, the wave - cisk is an crucial mechanism, and the wave / convection interaction fit certain theories of gravity wave propagation and the vertical structure conceptual model

    ( 4 )在對流初始發生和雷暴併合階段,對流風暴和mgws組成一個具有正反饋機制的耦合系統,兩者以固定位相關系傳播, wave - cisk機制使波動和對流共同增強。
  12. Application of back propagation neural networks to stability analysis of unloading rock mass

    神經網路在卸荷巖體穩定分析中的應用
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