孔隙度小 的英文怎麼說

中文拼音 [kǒngxìdùxiǎo]
孔隙度小 英文
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  • 隙 : 名詞1 （縫隙; 裂縫） crack; chink; crevice 2 （空閑） gap; interval 3 （漏洞; 機會） loophole; op...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 小 : Ⅰ形容詞1 （體積、面積、數量、強度等不大） small; little; petty; minor 2 （年紀小的; 年幼的） youn...
  • 孔隙度 : amount of porosity
  1. In general, smaller grain size and greater angularity tend to increase the porosity while an increase in range of particle size tends to decrease porosity

    通常，顆粒越小曲率越大孔隙度越大，而當顆粒尺寸增大時孔隙度會減小。
  2. With the development of human society, because of the lack of sustainable utilization consciousness, and the eager for quick success and instant benefit, the black earth suffered excessive cultivation and management, causing the reduction of its recycled ability, decrease in organic content, porosity ratio, fertility dropped and the properties of water retaining and water retention, which make the black soil harden and degenerate seriously

    但是隨著人類社會的發展，在缺乏保護和可持續利用意識、急功近利思想影響下，黑土遭到過度墾殖和掠奪式經營，人類對其活動范圍遠遠超過了其再生能力，導致有機質含量減少，肥力下降，孔隙比減小，保水持水能力降低，土壤板結，黑土嚴重退化。
  3. Cavernous porosity can take the equidimensional form of vugs or follow channels, but the void dimensions are measurable in meters.

    溶洞孔隙可呈等尺度的溶孔形態，或者呈溶溝形態，但空間大小是以米度量的。
  4. ( 3 ) by using the new method put out in ( 2 ), hugoniot data of no - porous samples of enstatite ( mg0. 92, fe0. 08 ) sio3 which initial density is 3. 273g / m3, were reduced and the modified hugoniot data shows very small dispersivity

    （ 3 ）用（ 2 ）中提出的新方法，對前人和本文的頑火輝石hugongiot實驗數據進行了初始孔隙度修正。結果顯示，不同研究者所得的hugongiot數據的分散性大大減小。
  5. At the same time, the quality of different - state water was studied. the results show : the soil bulk density of the fir wildwood heightens with the increase of soil depth, specifically 0. 74 > 0. 94 andl. 34g / cm3, the saturated, canaliculus and field moisture contents decrease gradually in layer a, b and c, accordingly the soil total foveola decreases gradually, and the moisture - hold capacity of the soil lessens gradually with the increase of the soil depth ; there is small difference of the soil bulk density between layer a and b in the outer space, which are respectively 0. 92 and 0. 99g / cm3, and the other laws are the same as the in ner in the main ; reverse success often occurs in the low position of the thoroughly - fell trace and plateau marsh is formed

    結果表明：冷杉原始森林土壤容重隨土層深度的增加而增大，分別為0 . 74 、 0 . 94 、 1 . 34g cm ~ 3 ，飽和持水量、毛管持水量、田間持水量a層、 b層、 c層逐漸減小，十壤總孔隙度也逐漸減小，土壤的持水能力隨深度的增加逐漸減弱；林外空地a層、 b層十壤容重相差不人，分別為0 . 92和0 . 99g cm ~ 3 ，其它規律與林內人體相同：皆伐跡地的低洼地段容易發生逆行演替，形成高原沼澤地。
  6. Determination of density and open and closed porosity of uranium dioxide pellets ; boiling water and immersion method

    二氧化鈾小丸的開口孔隙率和隱孔隙率所佔比例及密度
  7. Compared to stipa bungeana grassland and fallow ground, the volume weight was smaller, total porosity and capillary porosity were higher, but non - capillary porosity was lower. 2. achnatherum splendens height increased slow in the initial stages, fast from june to august and slow again after that

    芨芨草草地土壤容重較本氏針茅草地和裸地小，各層的總孔隙度和毛管孔隙度明顯高於本氏針茅草地和裸地，但非毛管孔隙度較本氏針茅草地和裸地低。
  8. The results indicate that hp can promote the toughness and strength of cement mortar and concrete, and with the increase in hp mixture, compressive strength increases more obviously than bend resistant strength does ; with the hydrosoluble hp fibre added, the microstructure of mortar or concrete will change, the space web structure will be formed, which consists of mixed hydrates and hp films. as a result, the performance of mortar and concrete, with high strength and few apertures, can be improved

    結果表明， hp對水泥砂漿和混凝土有顯著的增韌、增強作用，且隨著hp摻量的增加抗壓強度提高的幅度增大，抗折強度提高的幅度降低； hp水溶性高分子纖維的加入可改變混凝土的微觀結構形態，在混凝土或砂漿中形成了水化產物與hp膜交織的空間網狀結構，使漿體緻密，減小孔隙率，從而影響其整體性能。
  9. 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
  10. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    （ 2 ）利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究，通過分析正弦荷載作用下的試驗資料，驗證了粉土的孔隙水壓力增長模式的合理性；從微分方程推導了基於土體振動臺模型試驗的相似律，並從模型實體、孔壓時程曲線和相似律等方面做出了分析，得出了如下結論：在小型振動臺試驗中，模型箱中的粉土都發生了液化，液化的時刻和輸入加速度幅值有關，而對頻率的變化不太敏感；粉土在相當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化；孔壓的增長曲線形狀與施加的荷載有關：當施加荷載為由小到大的形式時，曲線形狀為上凹的曲線；當施加荷載為等幅的正弦荷載或荷載幅值由大到小時，曲線形狀為上凸的曲線，且逐漸趨于穩定。
  11. The boundary layer can indicate the comprehensive influences of oil reservoirs, the physical properties ( reservoir porosity, permeability, fluid viscosity and its composition ) of inside fluids and development conditions such as pressure gradient : the layer thickness reduces with the rise of capillary radius ; when capillary radius is fixed, the thickness increases with viscosity rise ; the more polarity composition content is, the more obvious the absorption, the thicker the boundary layer, more and more obvious the characteristics of non - darcy filtration

    邊界層反映了儲層、流體物性條件（儲層孔隙度、滲透率、流體粘度、組分）和開發條件（壓力梯度）的綜合影響，認為邊界層厚度隨著毛管半徑的增大而減小；在毛管半徑相同的情況下，邊界層厚度隨壓力梯度的增大而減小，最後達到一個臨界值；毛管半徑一定時，邊界層厚度隨粘度增加而增大；極性組分含量越大，吸附越明顯，邊界層厚度越大；邊界層厚度越大，非達西滲流特徵越明顯。
  12. In the core, more than 20 kinds of lithofacies was recognized and more than 6 type microfacies including channel, inter - channel, sheet - like sand, lake and salt lake was distinguished. 2 founding stratigraphy framework through base level analysis four scales cycle was distinguished from the core. very - short term base level cycle is equal to a sediment incident

    儲層物性較差，孔隙度多在11 - 13之間，滲透率多小於5毫達西，層內夾層較為發育，層內和層間滲透率差異明顯，滲透率變異數多在0 . 7以上，孔隙喉道細小，以小於0 . 1um的喉道為主。
  13. The fractal dimension of the mixed forests were lower than the pure forests and grassland, and the soil weight diameter of the mixed forests were higher than the pure forests and grassland, which indicated that the mixed forest had best soil structure property in stability infiltration and water - holding ; the soil total porosity and the soil noncapillary porosity were different greatly between forest types, but the soil capillary porosity had little differ

    混交林分分形維數均低於單純林與荒草地，土壤重量平均直徑均高於單純林與荒草坡，說明混交林土壤結構穩定性最好，土壤通透性較好，具有較高的水土保持功能；不同林分類型之間，土壤總孔隙度與非毛管孔隙度差異較大，而毛管孔隙度的差別較小。
  14. 3 ) the sandbody distribution, physical properties, pore structure and heterogeneities are affected by the microfacies. at the center part of underwater distributive river course, the petrophysics and physical properties are both better than that at the edge of the microface. 4 ) the chang 61 2 - 3 substrata and the substrata of chang 62 " member which show the better porosity, permeability, and better pore structure ; display lower permeability variation coefficient, dart - coefficient and contrast - coefficient and good connecting sandbody so the horizontal heterogeneities is weaker ; whereas manifest stronger inner - heterogeneities due to the numerous intermediates ; present stronger inter - heterogeneities caused by the greater frequency of sandbody

    長6儲層中長6 _ 2 ~ （ 1 - 3 ）和長6 _ 2 ~ 1砂層中的各個小層的孔隙度、滲透率值、含油性較好；平面非均質性較弱，表現為級差、突進系數、變異系數較低且砂體的連片程度高，鉆遇率和連通系數較高；與此同時，層內非均質性較強，表現為垂向上夾層的數目較多，厚度較大；層間非均質性也較強表現為分層系數較高。
  15. When the density of the packing material is smaller than that of the liquid, the packed bed becomes less dense and will expand before flooding

    當填料密度比液體密度小時，在液泛前填料會發生松動和膨脹，通過修正填料床的孔隙度可以計算膨脹填料床的壓降。
  16. The study shows that rock stress sensitivity has the following characteristics : rock property has little sensitivity to stress, of which porosity has the least, permeability less, and compression coefficient most ; the rock property decreases with formation pressure decrease ; in the same formation pressure drop, decrease amplitude of the rock property is not a continuous function of permeability but related to distribution scope of permeability

    研究得出，巖石的應力敏感性特徵主要有：巖石物性對應力的敏感性總體上不大，其中以孔隙度最小，滲透率次之，壓縮系數最大；巖石物性隨地層壓力的下降而下降；在同一地層壓降下，巖石物性下降幅度不是滲透率的連續函數，而是與滲透率分佈范圍有關，高滲透率范圍，巖石物性下降幅度小，低滲透率范圍，巖石物性下降幅度大。
  17. 4 ) the major reservoirs are dominated by types of medium matrix - pores and developed fractures, with features of " large pores and small fissures " and " large fractures and micro pores ". statistic analysis shows that when matrix porosity is less than 5 % or fractural density lower than 1 piece per meter, the volcanic rocks are difficult to become or shape reservoirs

    該區主要儲層為基質孔隙中等裂縫發育型， 「大孔小縫」或「大縫小孔」均可形成儲層，經統計分析，當基質孔隙度低於5及裂縫密度小於1條/ m的地層，不易形成儲集層。
  18. By the analysis of mercury injection data and physical property data of 650 sandstone and carbonate samples collected from tuha, liaohe, shengli, eerduosi, sichuan oil gas field of china and canadian oilfield, it is found that for porosity rocks, no matter they are sandstone or carbonate, their porosity and permeability ( especially for permeability ) are closely related to pore volume distribution with different throat size

    本文通過對來自我國吐哈、遼河、勝利、鄂爾多斯、四川和加拿大等地區油氣田的650個砂巖和碳酸鹽巖樣品壓汞測試資料及物性數據的分析研究，成功發現了對于孔隙性巖石（無論是砂巖還是碳酸鹽巖） ，巖石孔隙度和滲透率（特別是滲透率）與巖樣不同孔喉大小的體積分佈有密切的相關性，並首次建立了儲層孔喉體積分佈反演預測模型。
  19. The results showed that the order of porosity was h1 < t2 < h2, and porosity sharply descended during 10min, then there was little change in the porosity of soils with rainfall going on

    試用后，初步認為採用最大釋然法分析總孔隙度可以獲得結果，與容重法測的孔隙相比，結果偏小。
  20. At the same time, structural strike varied from n w - se to ne - sw. with diagenetic evoluation analysis, there are three secondary porosity zones, two of them located in the upper part of the profile whose porosity is small, the other one is located in the lower part whose porosity is up to 10 % - 18 %

    根據成巖演化分析可知，研究區內共發育有三個次生孔隙發育帶，上部的兩個帶孔隙度較小，下部次生孔隙帶較發育，孔隙度可達10 18 ，其深度介於3500 3700m之間。
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