透水性土壤 的英文怎麼說

中文拼音 [tòushuǐxìngtǔrǎng]
透水性土壤 英文
pervious soil
  • 透 : Ⅰ動詞1 （滲透; 穿透） penetrate; pass [seep] through 2 （暗地裡告訴） tell secretly; let out; lea...
  • 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...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 壤 : 名詞1. （土壤） soil 2. （地） earth 3. （地區） area 4. （姓氏） a surname
  • 水性 : 1 （游水的技能） ability in swimming2 （江河湖海的深淺、流速等特點） the depth currents and other...
  1. Poor drainage causes deficient soil aeration and death of the roots.

    排水不良能減低土壤的透氣性，使根死亡。
  2. The results are summarized below : 1 ) study on soil science indicates that soil granular structure is the focus adjuster for soil fertility and it affects the space, water - grasp, aeration and anti - erosion of soil. and the percentage of aggregate is one of the key index that decides the speed and extent of soil erosion, hardening and degeneration because the soil degeneration will first lead to the disappearance of crumb - structure. so it is very important that the physical course and character of soil in different land use pattern are realized

    現將主要結果摘要如下： l 、士壤學研究表明，團粒結構是土壤肥力的中心調節器，影響著土壤的空隙性、持水性、通透性和抗蝕性；任何土壤的退化首先將表現出團粒結構的消失；團聚體百分比是決定土壤侵蝕、板結等物理過程速度和幅度的關鍵指標之一，了解不同土地利用和土壤管理方式的物理過程和性質相當重要。
  3. 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度地降低土壤容重，減少土壤砂粒含量，增加土壤的毛管孔隙度、非毛管孔隙度和孔隙比，以及增加粉粒含量，從而降低土壤分散度，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。
  4. The major causes for dyke breaches are the strong permeability of soil at the dyke breaches, resulting in infiltration or piping firstly, and nonuniform settlement on water side and land side of the dyke due to a long - term soakage of the dyke, further leading to cracking and erosion, and finally breaching of the dyke

    潰口發生的主要原因是潰口處土壤組成透水性強，先發生散浸或管涌等險情，加上浸滄時間長，迎水面和背水面堤身沉陷不均勻，導致裂縫出現和沖刷的加劇也都促成潰口發生。
  5. When soil antecedent condition is dry and the initial rainfall intensity is high, peak surface runoff also considerably lag behind that of rainfall, because of the formation of temporary relative impermeable top layer ; b ) surface runoff is controlled primarily by infiltration - excess runoff mechanism under unsaturated condition ; the major fraction of surface runoff are dominated by saturated infiltration - excess runoff response, only a small fraction by return flow mechanism when soil is saturated ; c ) subsurface flow is dominated by saturated runoff mechanism, and the duration of subsurface post the rainfall end is dependent upon rather the soil properties than the rainfall characteristics ; d ) subsurface flow intensity in cultivated soil layer ( 0 ~ 20cm ) is high up to 35mm / h when rainfall intensity is up to 120mm / h, indicating the existing of macropores and pipe flow in cultivated layer

    2 ）耕作制下紫色土的產流主要機制是： 1 ）當雨前土壤含水量未達到飽和狀態時，表面產流起始時間有明顯滯后現象，這與紫色土的快吸水性和較多非毛管孔隙密切相關；當雨前土壤較乾燥，降雨初期雨強較大時，易形成臨時相對不透水表層，表面產流峰也有明顯滯后現象。 2 ）表面徑流的產流方式主要是超滲產流，當土壤達到飽和狀態后，有四川大學博士學位論文小部分回歸流發生，但主要是飽和超滲產流發生，因為紫色土的相對不透水層和其它透水障礙層不明顯。 3 ）壤中流主要是飽和產流，與降雨過程有明顯的滯后，而且雨停后的壤中流產流歷時與降雨特徵無關。
  6. It divides the main vegetation of the headwater region of huangpu river into 4 categories based on field survey and observation and methods of factor analysis and systematic cluster analysis and according to the degree of soil and water conservation function : deciduous trees and shrubs are category 1 which shows very strong soil and water conservation function ; tea plantation, grasslands and pine trees are category 2 which has stronger function ; the category 3 is moso bamboos and broadleaved evergreen trees which have stronger permeability and erodibility, but the permeable performance is not outstanding, the capacity of soil moisture storage common and soil and water conservation function moderate and ; the category 4 is uncovered land where the soil and water conservation function is very weak and its permeability, erodibility, erosive resistance and soil moisture storage capacity are all notably smaller than that of the other lands

    摘要在野外調查、實測的基礎上，採用因子分析、系統聚類分析的方法，根據土壤層水土保持功能的強弱，將黃浦江源區主要植被類型分為4類：落闊林、灌木林為第一類，表現出很強的水土保持功能；茶園、草地、松林為第二類，土壤水土保持功能較強；毛竹林、常綠闊葉林表現出較強的抗蝕性和抗沖性，但滲透性能並不突出，土壤貯水能力也一般，水土保持功能中等，為第三類；裸露地水土保持性能很差，單獨作為第四類，其滲透性、抗蝕性、抗沖性、土壤水庫容都顯著小於其他各樣地。
  7. The result indicated that straw mulching could increase soil porosity by 2. 88 % - 5. 76 %, reduce soil bulk density by 1. 86 % - 3. 73 % and the content of soil water with straw mulching was higher than that with no straw mulching treatment ( ck1 ) at different growth stage, improve water - stable aggregate ; and increase soil organic matter, available n, available p, available k, improve soil perviousness and soil retention of water and fertilizer

    研究結果表明，與對照ck1 ，相比，秸稈覆蓋可使土壤總孔隙度增加2 . 88 % ~ 5 . 76 % ，土壤容重降低1 . 86 % ~ 3 . 73 % ，並且各生育期覆蓋處理的土城含水量均比對照高，並且秸稈覆蓋還田對促進土壤團粒結構形成具有較大作用，改善了土坡通透性和保水保肥性；同時秸稈覆蓋還田使土壤有機質、全氮、速效氮、速效磷、速效鉀得到明顯提高，從而培肥地力。
  8. Beven 18 suggested that when it is applied in its original form to a river basin with thin soils over an imperme - able base, the quasi - steady state approximation holds. however, he also noted that for a variety of alternative transmissivity profiles, or when the saturated depth of the aquifer is large, the deviation in the actual shape of the water table from a steady - state shape can be both large enough and last long enough to call into question the assumption of quasi - steady dynamics

    Beven 18也也指出這種「擬穩定」的地下徑流機制雖然能夠較好地應用於那些不透水層之上的土壤厚度比較薄的流域，但對于那些非飽和土壤層的厚度隨空間的變化較大也就是地下水位的變化比較大，或者潛水面的厚度較大的流域，使用這種「擬線性」的topmodel地下徑流機制就容易產生問題
  9. Transportation of total nitrogen is meanly effected by precipitation, irrigation, rate of fertilizer application of agriculture, permeability of soil and thickness of unsaturated zone et al

    總氮的遷移主要受到大氣降水、灌溉水、農業施肥量、土壤的滲透性以及包氣帶厚度等因素的影響。
  10. In the hillslope, d ( ), c ( ) and k ( ) of soil water have high spatial correlation. d ( ), c ( ) and k ( ) are significant affected by soil water content, capillary pore and sand content bulk density and non - capillary pore aperture are significantly affected on permeability rate. correlation analysis indicates that it is significant correlate

    在坡面上，含水量、毛管孔除和砂粒含量對土壤水的擴散率、比水容量和導水率的影響較大;容重和非毛管孔隙對滲透率的影響較大，相關性檢驗達顯著和極顯著水平。
  11. The research result of the paper indicates that utilizing manual soil dealing with rainwater can reach better depurating effect by reasonable designing and controling. in practical project, especially in the condition of soil with badly penetrating ability and lower groundwater level, can adopt about one meter deepness manual soil laying on the greenbelt and can also design special manual soil depurating equipment around building to dealing with rainwater, which not only assures depurating effect but also saves occupying area and improves environment

    本論文的研究結果表明，經合理設計控制，利用人工加人細砂的土層處理雨水徑流，可達到較好的處理效果，實際工程中，尤其是在土壤滲透性很差，地下水位較高等情況下，可以在綠地表層採用lm左右的人工土壤層， 『也可在建築物附近設計專門的人工土壤凈化裝置來處理雨水徑流，既可保證處理效果，又可節省佔地和改善環境。
  12. 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、貯水量等角度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非毛管孔隙度的質和量決定的，苔蘚雲杉林土壤非毛管孔隙度的質和量最好，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。
  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. Human intervention such as overgrazing resulted in a great decline in soil infiltration rates, which are an important reason for soil degradation and soil drought the experimental results showed that plant biomass and productivity increased significantly with the increase of soil infiltration rates

    人為活動干擾，如過度放牧壓實土壤和去除地表覆被造成土壤滲透性顯著降低，是林地土壤質量退化及土壤水分缺乏的重要誘因。試驗結果表明，植物生物量和生產力隨土壤滲透速率的增大而顯著提高。
  15. As we all know, the heat transfer of geothermal heat exchanger ( ghe ) is affected by a lot of factors, where groundwater advection has a comparatively great impact indicated by experimental data. while almost all the design tools for ghe are based on principles of heat conduction and rely on some estimate of the ground thermal conductivity and volumetric specific heat. however, the large part of vertical u - type pipe lies in the saturated soil, especially in zones along the coast or with plentiful groundwater, which will be affected by groundwater advection greatly

    但是對於垂直u型埋管來說，管段大部分位於土壤飽和區內，實際上其穿透的地層中總是存在著地下水的滲流，尤其是在沿海（河、湖泊）地區或地下水豐富的地區，埋管的傳熱性能大部分都受到地下水滲流的影響，此時土壤內發生的是熱傳導和地下水滲流共同作用下的復雜的、非穩定的傳熱傳質過程（簡稱熱滲耦合傳熱過程） 。
  16. The results showed, the breakthrough curve of nitrate vertical transport in saturated condition was more or less non - symmetrical, mainly due to the different proportion of mobile and immobile water in the soil and soil physical properties

    結果表明，在飽和條件下，硝態氮垂直運移過程的穿透曲線呈現不對稱形狀和拖尾現象，主要由於土壤中存在著動水和不動水的比例不同和土壤的物理性質所致。
  17. The results indicated that cynanchumkomarovii is sensitive to soil water from root to shoot, which apparently become slower and even stopped growing with water stress aggravation and the time of stress increase, but the root - shoot ratio increased. the soluble sugar is primary osmolyte in roots of cynanchum komarovii, which increased markedly with water stress aggravation, while soluble sugar in leaves decrease. the results showed that assimilation of cynanchum komarovii mostly distributed to root

    5 、隨著土壤水分脅迫程度的加重，根系中的可溶性糖呈明顯的增加趨勢，葉中的可溶性糖則隨脅迫的加重而呈下降趨勢，說明在乾旱脅迫下牛心樸子的同化產物大部分分配于根系之中；脯氨酸（ pro ）在牛心樸子葉、莖、根的滲透調節中也起著一定的作用，隨土壤水分脅迫的加重，其在根、莖、葉中的積累明顯增加；而無機離子（ k ~ + 、 na ~ + 、 ca ~ （ 2 + ） ）在牛心樸子滲透調節中的作用似乎很小。
  18. Synthetic aperture radar ( sar ) is an active microwave remote sensing imaging system, which is widely used in earth observation and military detection due to its quality of working all day, all weather and its penetration ability in certain frequency band

    合成孔徑雷達（ sar ）是一種主動式成像雷達，由於它具有全天時、全天候的監測特性，並且在一定波段對植被、淺層土壤具有穿透能力，因此被廣泛應用於農林、地質、水文、海洋與環境監測、國防等領域。
  19. Soil - investigation and testing ; determination of the coefficient of water permeability - part 1 : laboratory tests

    土壤.研究和測試.透水性系數的測定.第1部分:實驗室試
  20. 2. according to the weighted average, soil co2 concentration is 0. 58 - 13. 29 times of that in atmosphere and is relatively lower than similar research, meanwhile, soil co2 concentration in profile varied irregularly, which possibly is due to the chemical and physical characteristic of loess soils, season change and arid climate etc. the variation of soil co2 concentration in profile is mainly controlled by soil temperature and soil moisture, in contrast with soil temperature, the control role of soil moisture is minor. in conclusion, in order to have a good command of the distribution and change rule of soil profile co2 concentration as well as its effect factors, multi - point and successive location experiment should be made, meanwhile establish indoor soil - pillar monitoring experiment

    土壤co _ 2的濃度約為大氣co _ 2濃度的0 . 58 ? 13 . 29倍與同類研究相比要低，這是與黃土的土質特性，觀測期又逢特別乾旱年制約了土壤微生物的活動，再加上土壤中有機質虧損，養分不足造成的；土壤co _ 2含量的變化是隨溫度的升高而升高，在夏季達最高值，冬季最低；在土壤co _ 2濃度變化的影響因子溫度和水分中，溫度的影響作用高於水分；土壤剖面co _ 2濃度隨著深度增加，總的變化趨勢是遞增的，但也有反復，甚至有的順剖面而下幾乎保持一恆值，這與季節變化和黃土自身結構的通透性以及在觀測期內的乾旱氣候等條件有關。
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