permeability of water 中文意思是什麼

permeability of water 解釋
透水性
  • permeability : n. 1. 透過性,可透性,滲透性;滲蝕度;【航空】(氣球氣體的)透出量。2. 【物理學】磁導率,磁導系數(=magnetic permeability)。
  • of : OF =Old French 古法語。
  • water : n 1 水;雨水;露;〈常作 pl 〉 礦泉,溫泉;藥水。2 〈常 pl 〉水體;水域;水道;海;湖;河;海域;...
  1. 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。
  2. Using the rock resistivity meter with simulating in - situ conditions, the relations between rock resistivity and temperature were observed from 6 sandstone samples with different porosity and permeability, while samples were brine water - saturated and subjected to certain confining pressure. it is found that the resistivities of water - saturated rock samples decrease in the form of power expression with the temperature increase. although the resistivity of brine water decreases with temperature in the same rule, it can not entirely account for the decreasing of rock resistivity. the cementation factor

    利用模擬地層條件巖芯電阻率測量儀,對6塊孔隙度滲透率各不相同的砂巖巖芯,在一定圍壓條件下,巖芯完全飽和鹽水時,考察了巖芯電阻率隨溫度的變化。發現飽和鹽水巖芯的電阻率隨溫度升高,以冪函數形式下降。雖然巖芯中飽和鹽水的電阻率同樣隨溫度以冪函數形式下降,但巖芯電阻率的下降不能完全用巖芯飽和鹽水的下降表徵。
  3. 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。
  4. Salt treatment had effects on growth, succulence and some physiological parameters. in present study, suaeda salsa seedlings were treated with different salts and isoosmotic peg to examine the succulence and some physiological parameters. the hydraulic conductance ( lo ) of the roots, the water permeability of protoplasts and western blot analysis of aquaporins in plasma membrane and tonoplast under nacl were determined

    本實驗以鹽生植物堿蓬幼苗為材料,用不同的鹽及與nacl等滲的peg處理,測定肉質化及有關生理指標,並測定nacl處理下植物根的導水性,原生質體的水滲透性,並在分子水平上進行了細胞質膜及液泡膜水孔蛋白免疫雜交分析。
  5. Exterior building paints. conventional determination of the water permeability of microporous cladding paints

    建築物外部塗料.飾面用微孔塗料水滲透性的常規測定
  6. We studied water permeability of seed coat, development of embroy, absence or presence of germination inhibitors and some other aspects in order to confirm the dormany causes of mulberry seeds from north of heilongjiang province

    摘要從種皮透性、胚的發育、是否存在萌發抑制物等方面,對產于黑龍江省的實生桑種子休眠原因進行了研究,初步認為,胚的生理性休眠是實生桑種子休眠的主要原因。
  7. So the effect of fiber kinds and factors on anti - permeability of cement mortar was studied using the method of testing increased ratios of water - proof

    採用測試不透水性提高率的方法,研究了纖維類型及纖維參數對水泥砂漿抗滲性能的影響。
  8. Aim at the present condition that the permeability of high rank coal reservoirs and its dynamic change regulation have been rarely studied, based on the modern testing technologies and actual measure data of coalbed methane ( cbm ) well with better drainage effect in qinshui basin, using the international advanced cbm well numerical simulation software ( comet2 ), the dynamic change regulation of the permeability of high rank coal reservoirs during gas recovery has been discussed, using the gas and water recovery process in divided stage is matched

    摘要針對高煤級煤儲層滲透率尤其是其動態變化規律極少開展研究的現狀,基於現代測試技術和沁水盆地排采效果較好的煤層氣井實測排采數據,利用目前國際上較為先進的煤層氣數值模擬軟體comet2 ,採用分段擬合的方法對煤層氣井的產氣、產水過程進行歷史擬合和修正,進而對高煤級煤儲層滲透率在開采中的動態變化規律進行了探討。
  9. Testing method for water vapour permeability of leather

    皮革水氣滲透性的測試方法
  10. Influence of dc electric field on the oil - water relative permeability in water - drive reservoir

    直流電場對水驅油藏油水相對滲透率的影響研究
  11. Methods of test for mortar for masonry - part 19 : determination of water vapour permeability of hardened rendering and plastering mortars ; german version en 1015 - 19 : 1998 a1 : 2004

    磚石灰漿試驗方法.第19部分:硬化初塗灰漿和抹灰灰漿
  12. In structural engineering, hydraulic concrete is often used for the construction of a cyclical bear or fresh water, sea water or ice scour, erosion, and the knock - on effect on the permeability of concrete used hydraulic structures, it has special requirements and regulations

    摘要在工程結構中,水工混凝土是用以修建經常或周期性的承受淡水、海水或冰塊的沖刷、侵蝕、滲透和撞擊作用的水工建築物所用的混凝土,其有特殊的要求和規定。
  13. Water pressure method is applicable for evaluating permeability of concrete. the test time needed is short, and operation and pretreatment is easy

    通過研究發現水壓法對于評價混凝土滲透性來有很好的適用性,而且試驗周期短,操作簡便,對試件的預處理簡單。
  14. Permeability of concrete and its correlation with chloride ion diffusion coefficient under different test conditions including water pressure method and tension method are studied

    本課題主要研究混凝土在水壓法及張力法試驗條件下水在混凝土中的滲透行為以及同氯離子擴散系數相關性。
  15. Water pressure method can distinguish permeability of concrete with different strength or air content, and penetration length or permeability coefficient has good correlation with chloride ion diffusion coefficient. tension method also can distinguish permeability of different concrete, but it has discreteness compared with water pressure method

    通過研究水壓法對于不同滲透性混凝土發現:水壓法能夠較好的區分不同強度、不同含氣量的混凝土的滲透性,滲透高度及滲透系數與氯離子擴散系數的相關性較好。
  16. Leather - physical and mechanical tests - determination of water vapour permeability

    皮革.物理和機械試驗.水蒸氣滲透性的測定
  17. Textiles - measurement of water vapour permeability of textiles for the purpose of quality control

    紡織品.質量控制用織物的水蒸氣滲透性測量
  18. Leather - physical and mechanical tests - determination of water vapour permeability iso 14268 : 2002 ; german version en iso 14268 : 2002

    皮革.物理和機械試驗.水蒸氣滲透性測定
  19. Because of inner - layer, interlayer and areal heterogeneity of reservoir, after a long period of water flooding, injected water circulates in high permeability channel, sweep volume cannot be enlarged, and injected water volume of per ton increases a lot

    摘要由於儲層層內、層間及平面不均衡性,經過長期注水開發,導致注入水沿高滲透條帶循環,很難進一步擴大波及體積,使得噸油注水量大幅度增加。
  20. Method of water permeability test for packing material

    包裝材料水滲透性的試驗方法
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