percolation threshold 中文意思是什麼

percolation threshold 解釋
逾滲閾
  • percolation : n. 1. 滲濾；滲透（作用）；滲漏。2. 【化學】穿流（法）。
  • threshold : n. 1. 門檻；入口，門口。2. 【心理學】閾限。3. 界限，限度。4. 【物理學】臨界值，閾。5. 入門，開始，開端。
  1. The results showed that the conductive composites including expanded graphite filler have the best conductive property when they were produced with the same processing. and the solution intercalation is the best methold to produce the lowest percolation threshold conductive composites when a type of conductive filler was used. because of the flam - retardant property of the graphite, we also studied the composites " flammability

    研究結果表明，採用同一種工藝條件，以膨化石墨作為導電填料的復合材料的導電性能最好；而採用同一導電填料以溶液插層法制備的復合材料的導電性能最好。
  2. This may decrease percolation threshold ( pc ) and enhance mr

    實驗表明，滲流閾值p產19
  3. Thirdly, there is a preferential path for dispersion flow near the percolation threshold ; fourth, the longitudinal dispersivity is scaled with grid length

    由於在逾滲閾值附近，網格可視為近似分形結構，對二維網格，縱向彌散系數和尺度之間存有指數增加關系
  4. Hot stretching ratio ( hsr ) was maintained at 3. 96, cb content was changed. the results indicate that when the cb content increases, the room temperature resistivity of composites decreases. at the cb content of 12phr, the room temperature resistivity of blends sharply reduces, and composites change from insulator to conductor, the value is entitled the percolation threshold ; at the cb content of 20phr, the room temperature resistivity of composites achieves 10 ~ ( 2 ) cm

    結果表明:隨炭黑含量增加，復合材料的體積電阻率降低，當炭黑含量達到12phr （ phr指每一百份樹脂中所含填充物的重量份數）左右時，復合材料的體積電阻率急劇下降，此時一復合材料由絕緣體向導體轉變，這個值被稱為逾滲閥值;當炭黑含量到20phr時，復合材料的體積電阻率達到1 。
  5. This paper analyzes the percolation mechanism and characteristics of gas under low - velocity percolation state in terms of slippage effect and threshold pressure effect by using molecular dynamics, thermodynamics and percolation mechanics in order to understand the practical reason of low - velocity non - darcy percolation

    摘要為明確氣體在低速滲流狀態下的滲流規律以及產生低速非達西滲流的實質性原因，運用分子動力學、熱力學和滲流力學等相關知識，基於滑脫效應和閾壓效應兩方面分析了氣體在低速滲流狀態下的滲流機理及滲流特徵。
  6. The main factors affecting percolation in low permeability reservoirs include stress, threshold pressure gradient, slippage effect and water - blocking effect, which play various roles on percolation, but all will result in non - linear percolation in the end

    影響低滲氣藏滲流特徵的主要因素有應力作用、啟動壓力梯度、滑脫效應和水鎖效應等因素，並且這些因素對滲流影響各有不同，但最終均引起低滲氣藏滲流的非線性化。
  7. A dilution of the cb volume fraction due to the thermal volumen expansion of the composites is estimated. if the cb volume fraction decrease to the percolation threshold, ptc effect of the composites occur

    隨著聚合物基體的熱膨脹，無論是結晶聚合物基體或非晶聚合物基體體系，只要導電填料的體積分數被稀釋到臨界體積分數以下，復合材料就會產生ptc效應。
  8. The percolation threshold value ( pp ) is not related to the size of model lattice but to near neighbor conditions. however, the fractal dimension of aggregate ( d ) is definite and independent of neighbor conditions, as p is equal to pp

    3 、逾滲閾值pp只與近鄰條件緊密相關，而與模型的網格大小無關；當生長概率p等於對應的逾滲閾值時，凝聚體的分形維數d為一確定值，且與近鄰條件無關。
  9. On base of a experience formula, fit " conduction " rules of percolation on cubic lattices are chosen, using these rules, we analyze the states of kadanoff cells and obtain fixed equations. the results ( the threshold pc and the critical exponent v ) basically agree with known results

    依據該原則選取「導通」規則，分析kadanoff元胞「導通」情況，得出三種格子（ sc 、 bcc 、戶c ）不動點方程，從而解出臨界值p 。
  10. Many unusual phenomena near the percolation threshold caused by random pore removal or blockage is found. first, the grid pressure distribution is anomalous ; secondly, the dispersion is much slowly than in euclidean space

    模擬中發現：在滲流閾值附近，確實存在著反常彌散和優勢通道現象，網格中的壓力分佈也和全部聯通時完全不一樣。
  11. And the conductive composites are light, cheap and easy to shape. they can adjust their conductive property and mechanical property based on need. they are mass production. so studying conductive composites is becoming the hot topic. using the solution intercalation in the nano - composite to produce the lower percolation threshold conductive composite composed of conductive filler with flake structure attracts a lot of people

    而復合型導電高分子材料因其質輕，易於成型加工及可在大范圍內根據使用需要調節材料的電學及力學性能，成本低，宜於大規模生產等優點，成為許多國家研究的熱點。
  12. Through those approaches and with the information of the particles morphologies, it was possible to predict the percolation threshold of the nanocomposite

    通過這些理論手段以及利用石墨薄片外觀形態上的信息，可很好地估計體系的滲濾閾值。
  13. The dispersions and particles sizes of the fg nanosheets in the nanocomposites greatly influenced the conduction of the nanocomposites, especially the percolation threshold

    石墨納米薄片在尼龍6中的分佈狀態以及尺寸大小對復合材料的電導，尤其是導電滲濾閾值具有相當大的影響。
  14. The results showed that the replacement of individual polymer by polymer blend as the matrix resin for ecmb could be applied to the design of ecmb with lower percolation threshold concentration

    結果表明，以聚酯聚乙烯共混聚合物代替單一的聚合物作為母粒的載體樹脂可用來設計具有低突增界限濃度的炭黑導電母粒。
  15. In the honeycomb lattice with random transverse field, a smaller crystal field cannot change the percolation threshold of critical transverse field. the reentrant phenomena shall appear at the range of certain random concentration when the transverse field takes a larger value, while the reentrant phenomena do not occur and when the transverse field take a smaller value

    隨機橫場作用下的蜂窩格子中，較小晶場的存在並不能改變臨界橫場閾值；取較大橫場值時在某些隨機濃度范圍內出現重入相變現象，而取較小橫場值時則沒有重入現象產生。
  16. The fg nanosheets tend to orient along the horizontal direction during the fabricating procedure, resulting in anisotropic conductivity in the nanocomposites, while for different directions of measurements the values of the percolation threshold are nearly identical, only about 0. 75 percent by volume, much lower than conventional conducting fillers

    石墨薄片傾向于沿著水平面方向在尼龍基體中進行一定的取向，因此制得的尼龍6納米石墨納米復合材料顯現出電導的各向異性。但對該體系，在不同方向達到導電滲濾閾值所需的石墨納米薄片均為大約0 . 75的體積含量。
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