非孔隙度 的英文怎麼說

中文拼音 [fēikǒng]
非孔隙度 英文
imporosity
  • : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
  • : 名詞1 (縫隙; 裂縫) crack; chink; crevice 2 (空閑) gap; interval 3 (漏洞; 機會) loophole; op...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 孔隙度 : amount of porosity
  1. Based on the equal strain consolidation model of sand drain, and neglecting the well resistance and the vertical drainage consolidation, a layered model for the nonlinear consolidation of sand drain, which accounts for the geostatic pressure varying along depth and the relationship between the average viod ratio and the logarithm of average effective stress, is presented

    摘要基於砂井等應變固結模型,考慮初始有效應力沿深變化,忽略井阻和豎向排水固結的影響,應用平均比與平均有效應力的對數關系,建立砂井線性徑向排水固結的分層計算模型,並求得常荷載作用下的徑向排水固結解析解。
  2. 2. the structure of purple soil is meliorated by sabaigrass. when contrast to bare land treatment and natural wild grassland treatment we knew that sabaigrass treatment and grass tree solid plating treatment reduced soil bulk density, enhanced soil capillary porosity, non - capillary porosity and porosity ratio, decreased soil sand grain content, enhanced soil clay grain and silt grain content so as to reduced the dispersal degree of soil, improved the aggregate capacity of soil, increased the amount of soil aggregate structure, meliorated the water permeability of soil, accelerated the form of good soil structure

    龍須草能改善紫色土的土壤結構龍須草純種植被和林草立體種植植被能不同程地降低土壤容重,減少土壤砂粒含量,增加土壤的毛管毛管比,以及增加粉粒含量,從而降低土壤分散,提高土壤團聚性,增加土壤團粒結構數量,改善土壤的透水性,促進良好土壤結構的形成,最終提高土壤的蓄水保肥性能,增強土壤的抗蝕性和抗沖性。
  3. Hardmetals - metallographic determination of porosity and uncombined carbon

    化合碳的金相測定
  4. In this paper, the influence of cycles of drying and wetting on strength and deformation are studied by means of routine direct shear apparatus, triaxial apparatus and light consolidation apparatus which include : the influence of force of constraint on strength, the total stress strength of expansive soils with different saturation degree, the influence of cycles of drying and wetting on the total stress strength, the relation between saturation degree and compression modulus and that between saturation degree and void ratio, the influence of cycles of drying and wetting on the effective stress strength, the relation between saturation degree and generalized suction

    本文利用常規直剪儀、三軸儀以及輕便固結儀,分別對飽和膨脹土的強和變形特性以及干濕循環對強和變形的影響進行了一系列的試驗研究。以飽和、干濕循環次數為變量,分別探求了外力約束對膨脹土強的影響,不同飽和膨脹土的總應力強特性,干濕循環對飽和膨脹土總應力強的影響,飽和與壓縮模量以及比的關系,干濕循環對飽和膨脹土有效應力強指標的影響,廣義吸力與飽和的關系,建議了一組計算飽和膨脹土變形及強特性的經驗公式。
  5. Mongolica young stand, secondary natural forest, and the mixed forest of larix olgensis and fraxinus mandshurica rupr. countermeasures for controlling soil degradation were also recommended. the study got following results : ( 1 ) from young stand to mid - age of larix olgensis, with the closure of canopy and the decrease of undergrowth vegetation cover, soil acidity, enzyme activity, total inorganic phosphorus, available k, soil moisture and total porosity decreased significantly ; while soil organic matter content, humus component content, the amount of three main types of microbes, acid phosphatase activity, and bulk density in rhizosphere soil and non - rhizosphere soil increased with the increase of the amount of forest floor litter ; from mid - age stand to near mature stand, with the decrease of stand density and crown cover as well as the restoration of undergrowth vegetation after preliminary thinning, soil organic matter content, fulvic acid, exchangeable acidity, exchangeable aluminium, neutral phosphatase activity, total amount of inorganic phosphorus, the amount of actinomycetes, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil apparently increased ; from near matu re stand to mature stand, soil activity acidity, organic matter content, humus component content, available phosphorus, total amount of amino acid, available k, soil enzyme activity, soil moisture, and total porosity in rhizosphere soil and non - rhizosphere soil decreased, but total phosphorus, soil acidity ( in particular, exchangeable aluminium ), and bulk density increased

    結果表明: ( 1 )從落葉松幼齡林到中齡林,隨著林冠的郁閉和林下植被蓋的急劇下降,林地土壤酸、土壤酶活性、無機磷總量、速效鉀、土壤水分含量、總呈明顯下降趨勢,而根際和根際土壤有機質含量、腐殖質各組分含量、三大類微生物數量、酸性磷酸酶活性和土壤容重隨著凋落物的增加呈明顯上升趨勢;從中齡林到近熟林,由於撫育間伐,林分密及郁閉下降,林下植被蓋逐步得到恢復,根際與根際土壤有機質含量、富里酸、交換性酸、交換性鋁、中性磷酸酶、無機磷總量、放線菌數量、土壤水分含量、總呈明顯的上升趨勢;從近熟林到成熟林,隨著林齡的增大,根際與根際土壤活性酸、有機質含量、腐殖質各組分含量、有效磷含量、氨基酸總量、速效鉀、土壤酶的活性、土壤水分含量和總呈下降趨勢,而根際與根際土壤全磷含量、土壤酸(特別是交換性鋁)和容重呈增加趨勢。
  6. 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,各層的總和毛管明顯高於本氏針茅草地和裸地,但毛管較本氏針茅草地和裸地低。
  7. The fact that wave velocity in quasi - saturated soil is equal to that of fully saturated soil could not be calculated by effective fluid compressibility or explained by unwell - distributed saturation. we account for this in a new reasonable way which was based on kuster scattering effect analysis

    ( 8 )根據kuster散射波理論,計算了飽和大於85的準飽和土體的彈性波速,其結果與試驗常吻合;但是,通常所用的等效流體壓縮系數的方法所計算的結果與實驗結果差別很大,對此,筆者給予了一定的解釋。
  8. 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,採用局部熱平衡假設建立了多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介質中的流速、氣固溫和床層壓力損失.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,增大入口滲流速以及減小床層物料下移速將導致物料溫沿床高慢速下降,熱滲透深擴大,熱滲透作用區域內的物料溫水平提高.在熱滲透作用區域,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
  9. An important issue is that the dry bulk and shear modulus of sandstone are tightly correlated in a simple relationship with distribution of porosity, mineral composition, clay content, cementation, and differential pressure

    砂巖的乾燥體變模量和剪切模量與分佈、礦物成分、粘土含量、膠結和差壓的關系是嚴格相關的,這一點常重要。
  10. 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、滲透率、流體粘、組分)和開發條件(壓力梯)的綜合影響,認為邊界層厚隨著毛管半徑的增大而減小;在毛管半徑相同的情況下,邊界層厚隨壓力梯的增大而減小,最後達到一個臨界值;毛管半徑一定時,邊界層厚隨粘增加而增大;極性組分含量越大,吸附越明顯,邊界層厚越大;邊界層厚越大,達西滲流特徵越明顯。
  11. We not only carefully discuss the clay ' s nature, its anti - sheer intension, the exponents of anti - sheer intension and the water pressure of the hole in clay, but also study varies analysis methods such as sweden strip method, stability coefficient method and bishop ' s simplified method of arc slice. finally, we thoroughly discourse upon the method of none arc slice in slope analysis

    論文中對粘土的抗剪強特徵、粘性土抗剪強指標的選擇應用和水壓力等問題進行了分析,同時對分析土坡穩定性的瑞典條分法、穩定數法、圓弧滑動面的畢肖普法以及對圓弧滑動面的土坡分析方法進行了細致深入的闡述和分析。
  12. The corresponding programs in matlab language were presented for various operating mode computations. thus, the excess pore - pressure and void ratio distribution along space - time could be derived. the degree of consolidation, which could be expressed by excess pore - pressure or deformation, was derived for various operating mode and its ’ characteristics along space - time showed rules of warping soil consolidation under osmotic pressure

    應用matlab語言編制計算程序對各種工況的超水壓力消散、比隨時間和空間的變化進行了求解,對各種計算工況得到的以壓和變形表示的固結的變化規律進行分析,說明滲壓體積力作用下淤填粘土的固結隨時間和空間的線性分佈特性。
  13. Prediction of reservoir porosity and permeability on the basis of non - linear theory

    線性理論預測儲層和滲透率
  14. On the other hand for four main vegetation typies, which are picea crassifolia, forests sabina przewalskii forests, bushes and pastureland, whose soil permeability function was analyzed from angle of its physics, capacity of water, storing water in it. the results show as follow : permeability function of soil is controlled by quality of soil hole. the quality and quantity of soil hole under picea crassifolia forests are the best, and the permeability also is the best

    另外,從土壤物理性質、蓄水量、貯水量等角對祁連山苔蘚雲杉林、祁連圓柏林、亞高山灌叢林、牧坡草地4種主要植被類型的土壤滲透功能進行分析,結果表明:土壤的滲透功能主要由土壤毛管的質和量決定的,苔蘚雲杉林土壤毛管的質和量最好,它的滲透也最好;雖然亞高山灌叢林的滲透功能次之,但由於它所處的位置和面積大,現實貯水量在祁連山四種主要植被類型中最大。
  15. 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,土壤總毛管差異較大,而毛管的差別較小。
  16. It was showed that forest with good structure could improve the soil noncapillary porosity and water conversation function, and it was implied that forest with rational structure stored rainfall and surface runoff quickly

    表明具有良好結構的林分,可有效改善土壤毛管和滯留貯水功能,從而有效地提高對降雨的快速貯存以及蓄洪與涵養水源作用。
  17. In loess plateau areas, dry and varied climatic condition was the main reason that resulted in the instability of soil moisture in surface layer. and because of the bad soil pedality and pore continuousness, the water in soil deep layers was difficult to supplement for that in surface layer. so, soil moisture of surface layer varied commonly and strongly

    黃土高原地區乾燥、復雜多變的氣候條件導致該區土壤表層一定深的濕隨時空變化常劇烈;而且,該區土壤的結構性和連續性都比較差,深層土壤水分難以到達表層,使得土壤表層處于經常性的干濕交替變化過程中。
  18. In this paper a numerical method for equations of transport and biodegradation in the fractured media is discussed. because the equations consist of terms related to advection, diffusion, biochemical as well as the term of exchange betwen the fracture and the porous media, it is very difficult to find their solution. in order to find more efficient method for solving these equations, several numerical methods for the equations without biochemical terms are discussed first. the numerical results show that the cubic spline method can be used to solve advection flow dominated problem which often occurred in the fractured media. then, the equation with both advection - diffusion term and biochemical term are discussed. the splitting - operator is used to decouple the advection and diffusion terms with biochemical term in the equations. the way to determine the smaller time step for solving fast biochemical terms is introduced through comparing the order of characteristic time of biochemical term with that advection ( diffusion ) term. numerical simulation results show that good agreement between analytical solution and experiment result is attained

    本文討論了含裂介質地下水污染物輸運與生物降解線性方程組數值求解方法.方程含有對流項、擴散項、生長、死亡、吸附、解吸、趨化和與裂介質界面間的交換項的線性偶合,使演算法十分困難.本文討論了無生化過程時的幾種求解方法,數值結果表明:用三次迎風插值法對常見的對流項占優勢,且場變量有較大梯的問題較適用.在討論有生化反應過程時,利用對流項與生化反應項的特徵時間量級估算,給出了求生化過程作用子步的時間步長估算辦法.用上述方法所得到的模擬結果與解析解、無化學反應和有化學反應的實測值對比,吻合很好
  19. 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、滲透率值、含油性較好;平面均質性較弱,表現為級差、突進系數、變異系數較低且砂體的連片程高,鉆遇率和連通系數較高;與此同時,層內均質性較強,表現為垂向上夾層的數目較多,厚較大;層間均質性也較強表現為分層系數較高。
  20. In view of geological and hydro - geological situations of the south anchor runyang yangtze river highway bridge, the paper bring forward mathematical model and calculation method of double deck structure groundwater, which can be used to lively calculate every layer ' s water table, so that we can realize every layer ' s settlement calculation and control ; establish the inter relationship between non - linear physical - mechanics parameter and hydro - geological parameter, objectively describe the non - linear change process of the porosity, hydraulic conductivity, specific storativity in the process of soil dewater and concretion

    針對潤揚長江公路大橋南錨場地地質、水文地質條件提出了雙層結構地下水運動的數學模型和計算方法,該方法可以實時計算出各分層的地下水位,實現了各分層沉降計算與控制研究;建立了土層線性物理力學參數與水文地質參數之間的內在聯系,客觀地描述土層降水? ?固結過程中、滲透系數和貯水率等參數線性變化過程。
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