持水孔隙 的英文怎麼說

中文拼音 [chíshuǐkǒngxì]
持水孔隙 英文
water holding pore
  • 持 : 動詞1 （拿著; 握著） hold; grasp 2 （持有; 保持） keep; hold 3 （支持; 保持） support; maintain 4...
  • 水 : 名詞1 （由兩個氫原子和一個氧原子結合而成的液體） water 2 （河流） river 3 （指江、河、湖、海、洋...
  • 隙 : 名詞1 （縫隙; 裂縫） crack; chink; crevice 2 （空閑） gap; interval 3 （漏洞; 機會） loophole; op...
  • 孔隙 : small opening; hole; [冶金學] pore; aperture gap; pore space; ventage; void
  1. 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。
  2. 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。
  3. The investigation of a lot of parameters about treated sandstone, brick materials and earthen materials with fluorited polymers has been carried out, such as the formation of polymer, the penetration depth, porosity, capillary absorption and penetration coefficient, water uptake, compressive strength, drilling resistance, absorption isotherms of water vapor, water vapor diffusion, color changes as well as resistance to desegregation of water, frizzing - throwing cycles, worming - cooling cycles, and so on. in addition, the influence of salt crystallization, acid and base, and uv aging have also been assessed in order to better understand the protection effects and utilization possibility of two fluorinated polymers, mainly according to astm standard and the combination of international methods together with general technological

    分別以國家級文物保護單位的土質、砂巖和磚材文物樣品為對象，依據astm標準及國際通用文物保護研究方法與評估準則相結合，通過膠化物形成周期、滲透深度、孔隙度、毛細吸水和滲透系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、透氣性、外觀顏色等系列參數的測定，及凍融、冷熱循環、酸堿腐蝕后抗壓強度的衰減、可溶鹽對保護效果的影響、酸堿及光照對表面保護效果的影響，對兩種含氟聚合物及其與有機硅的共混物在文物加固保護和表面防護中的可行性和保護效果給予了系統研究。
  4. The effective adhesion of permeable base and asphalt pavement, good residence of scouring property of mixture and good drainable property are benefit for undersurface of pavement and permeable base course to keep good successive contact condition

    大孔隙水泥穩定碎石排水基層和瀝青面層的有效聯結、混合料本身良好的抗沖刷性能和良好的排水性能，有利於瀝青下面層和排水基層的層間接觸條件維持在連續狀態。
  5. The monitoring result proved that although the surface settlement velocity was rather great during the initial phase of enrockment, the foundation still maintained firm based on the integrated analysis of lateral displacement, lamination settlement and pore water pressure measurement

    監測結果表明：盡管拋石初期地表沉降速率很大，但綜合測斜、分層沉降、孔隙水壓力觀測結果分析，地基依然保持穩定。
  6. With increase of artificial forest age, the content of soil organic matter decreased sharply. and soil physical, chemical and biological properties of forest became worsen. from soil physical properties analysis, soil silt, clay, physical clay, aggregate degree and structure coefficient in topsoil increased with increase of artificial forest age and soil sand deceased

    在土壤物理性質方面，隨著人工雲杉林齡的增加，土壤表層粉粒、粘粒、物理性粘粒、團聚度和結構系數降低，砂粒含量增高，土壤飽和持水量、毛管持水量及總孔隙和毛管孔隙在人工雲杉演替過程中表現出「 u 」型變化。
  7. ( 6 ) in agroforestry and contour hedgerow treatments, soil structure and soil texture is improved with soil bulk density decreasing and soil porosity and capillary pore increasing. finally, water - holding capacity is improved. ( 7 ) soil loss in small plots of comprehensive management treatments is significantly lower than that in control

    … ）實施農林復合經營和生物籬埂技術可明顯的改善土壤結構，降低土壤容重，增加上壤總孔隙度和毛管孔隙度，從而提高土壤的保水持水性能。
  8. Standard test method for saturated hydraulic conducitivity, water retention, porosity, particle density, and bulk density of putting green and sports turf root zones

    小型高爾夫球場綠呢和運動場草地區的飽和水滲透性水分保持孔隙率顆粒密度和體密度的標準試驗方法
  9. Soil saturated capacity, capillary capacity, total porosity and capillary porosity showed the trend of the " u " during the successional course of artificial forest, namely, they reduced on the early successional stages, after picea reached mature forest, soil porosity recovered slowly. the content of natural water was mainly affected by capillary porosity. from soil chemical properties analysis, the content of soil organic, humus, ha, fa and ha / fa of topsoil was more than that of bottom layer

    即人工雲杉幼林向成熟林演替階段，土壤飽和持水量、毛管持水量及總孔隙和毛管孔隙則減少，在40年生雲杉林達最低值，之後隨著雲杉自疏，微生態改善，林地凋落物分解加快，土壤飽和持水量、毛管持水量及總孔隙和毛管孔有上升的趨勢，毛管持水量是決定林地自然含水量的主要因子。
  10. 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。
  11. The field capacity and porosity increase gradually and bulk density decrease gradually. the significance linear regression between the field capacity and soil organic matter is discovered as well as porosity and bulk density

    此外，隨植被演替， 0 5cm土層田間持水量和孔隙度逐漸增加， 0 5cm土層容重逐漸降低，且均與有機質含量呈顯著線性正相關。
  12. After yearly burning, soil moisture content, porosity, separate coefficient, capillary and field moisture capacity increased, however, soil saturated water retaining capacity and unit weight decreased

    連年火燒使土壤含水率、孔隙度、分散系數、毛管持水量和田間持水量升高，而使土壤飽和持水量、容重下降。
  13. The effects of forest fires on soil moisture content, separate coefficient, porosity, water - retaining capacity, organic matter, available n, available ca, fungi and fine root significantly varied between the years after burning. the effects of forest fires on soil separate coefficients, porosity, saturated water - retaining capacity, available mg, fine root significantly varied between the fire intensity

    火燒後年限對土壤含水率、分散系數、孔隙度、持水量、有機質、有效氮、有效鈣、真菌、細根系生物量的影響有顯著差異；火燒強度對上壤分散系數、孔隙度、飽和持水量、有效鎂、細根系生物量的影響有顯著差異。
  14. To ensure the safety of the dam and provide the technology for the decision during the process of construction and store water. in this article, the elastic - plastic stress - deformation of dam is calculated and the consolidation is analyzed. including the rock - fill dam, the stress and deformation distribution of cut - off wall, the deformation of sloping core, the incresment and subduction of pore water pressure and the effective stress situation calculation

    為確保大壩安全，並為大壩施工期和蓄水期運行決策提供必要的技術支持，本論文根據上壩土料的應力一應變一強度特性、滲透和固結等特性，對壩體進行了彈塑性應力變形計算和固結分析，包括大壩堆石體、防滲墻的應力及變形分佈和斜心墻的變形、孔隙水壓力增長及消散和有效應力狀態計算等。
  15. Although an order of magnitude smaller, the pore water pool can supply enough nutrients to build up the macrophyte biomass pool, but only if a fast turnover is attained

    盡管數量級較小，孔隙水池可提供足夠的營養來維持大型動植物的生存，但是需要周轉得很快。
  16. The pore air pressure gradually goes up with the developing of axial strain in the process of the dynamic torsional shear test of loess, but the pore water pressure hold the line or goes up a little in the last. the stress - strain dynamic constitutive relationship of intact loess and man - made loess show the hyperbolic model. there are some remarkable differences of strength and strain between unsaturated loess and saturated loess

    研究結果表明：非飽和黃土在動力扭剪試驗過程中，隨著軸向變形的發展，孔隙氣壓力逐漸上升，而孔隙水壓力則基本保持不變或後期略有升高；原狀黃土和重塑黃土的應力應變本構關系呈雙曲線型；非飽和黃土和飽和黃土的強度及變形特性存在明顯差異；進而分析了含水量、固結應力和固結應力比對黃土動力特性的影響本文最後對非飽和土的有效應力計算公式進行了討論。
  17. As a kind of scaffold material for tissue engineering cornea, collagen is too soft to support cells in stromal layer, and its biodegrading is too fast. in this study, porous collagen sponge were crosslinked using dehydrothermal ( dht ) treatment and / or l - ethyl - 3 - ( 3 - dimethyl aminopropyl ) carbodiimide ( edc )

    通過掃描電鏡觀察、孔隙率測定、力學性能測試以及吸液性測試，對材料進行了表徵，結果表明膠原材料在交聯后均能保持其三維多孔結構，並具備了良好的機械性能，親水性也得到降低。
  18. Abstract : in some project, pebble is used in bearing stratum. for the resean of lower strengthand bad property of construction. the bearing capacity of pebble can ' t achieve the reauirement of up - structure. but the pebble soild has higher permeability coefficient and placeability. the method has remarkable economic results

    文摘:在以礫卵石層為持力層的樁基設計中，由於其可鉆性差、易坍塌，強度相對較低，但是具有較大的孔隙率和滲透系數，可灌性較好，採用一定壓力對鉆孔灌注樁樁底礫卵石持力層注入水泥漿液對其進行加固處理，可以較大地提高其承載力，並能取得較為明顯的經濟效益。
  19. The physical and chemical properties of the soil were analyzed, including nutrient change and routine index of acidity and alkalinity, in addition, compared them with natural soil and studied their variation and correlation. the results as follows : the soil bulk density of harbin urban vegetation is higher, total porosity and field capacity are small

    對其土壤的理化性質和養分狀況等指標進行分析，並與松花江地區自然黑土進行了對比，研究其變化的趨勢和養分相關性。結果表明：哈爾濱城市綠地土壤容重較大，孔隙度和田間持水量少，有機質缺乏，養分含量較低，相關性差，土壤ph值呈中性，肥力水平低。
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