透水系數 的英文怎麼說

中文拼音 [tòushuǐxìshǔ]
透水系數 英文
coefficient of permeability
  • 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...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 透水 : permeable; pervious to water透水壩 permeable dike; filter dam; 透水層 [地] pervious bed; permeabl...
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. Abstract : considering the stochastic characteristic of main hydrogeologic parameters in yuanbaoshan open coal pit, a groundwater stochastic management model for optimal drainage borehole design is established. the result of the modeling shows the effect of stochastic characteristics of hydrogeologic parameters on the result of management modeling. it was found that the higher the parameters uncertainty and the management reliability level, the worse the management result

    文摘:從影響元寶山露天礦地下水疏乾的主要水文地質參數隨機性特徵分析入手，建立並求解了元寶山露天礦疏干工程優化設計的隨機地下水管理模型，揭示了水文地質參數隨機性對管理模型結果的影響，認為參數的隨機性越大，管理結果越壞；置信水平越高，管理結果越壞，且滲透系數和邊界條件對管理結果影響最大。
  2. ( 4 ) the maximum water quantity becomes greater, the better is the filtering bed permeability, the higher the river hydraulic conductance, the higher the river level, the larger the water - collecting area and the bigger the distance between collecting pipes. the water quantity varies directly with drawdown

    （ 4 ）濾床的滲透性能越好，河床水力傳導系數越高，河水水位越高，取水面積越大，取水管之間的間距越大，則最大取水量越大；水位降深與取水量成正比關系。
  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. Because it well reserves the chemical stability of inorganic glass, it has the following features : low density, low thermal conductivity, vapor impermeability, no water absorption, incombustibility, protection from mould and rat eating, high mechanical strength but easy to cut and able to bear all kinds of chemical erosions except the hydrofluoric acid

    由於它完全保留了無機玻璃的化學穩定性，具有容重低導熱系數小不透濕不吸水不燃燒不霉變不受鼠嚙機械強度高卻又易加工，能耐除氟化氫以外所有的化學侵蝕。
  5. The chronic toxicity of four kinds of phonetic compounds to daphnia mugua straus was determined. the relationship of the structure and effect of the compounds were discussed by the chronic results. the results show that all the compounds we measured have effects on the reproduction of the daphnia magua straus

    烷基酚化合物對四種水生生物的毒性機制主要與脂水分配系數相關，為通透生物膜產生毒性的非反應性毒性，而氯代酚對四種水生生物的毒性機制一方面和logp有關的，另一方面是和電子效應相關的反應性毒性。
  6. In respect of thermal transfixion, the permeability coefficient ratio determines the success or failure of gwhpprsw

    從熱貫通的角度來說，滲透系數比是同井回灌地下水源熱泵系統工程成敗的關鍵。
  7. The wavelet coefficients are selected by human visual system ( hvs ) to ensure the transparence of watermarking

    同時基於人眼視覺系統，對嵌入系數進行篩選以保證水印的透明性。
  8. As for a space - based cloud radar, the change of the radar reflectivity n and the change of attenuation rate along with the cloud liquid water content have been compared between 37 ghz and 94ghz. the transmittance t of single level cloud for different heights and liquid water content has also been calculated at 2 frequencies. by defining a = n tr, which combines both effects of radar reflectivity and transmittance, we have examined the values of a at 37ghz and 94ghz for high, middle and low cloud liquid water contents

    對空間測雲雷達，討論了37ghz和94ghz這兩個頻率的雷達反射率和衰減系數隨雲液水含量的變化；計算了不同高度的單層雲在不同頻率，不同含水量情況下的雲層透過率_ ；定義a = _來綜合考慮雷達反射率和透過率對空間測雲雷達回波的影響，分析比較了雲含水量高、中、低時37ghz和94ghz的a值大小。
  9. Standard test method for determining transmissivity and storage coefficient of bounded, nonleaky, confined aquifers

    測定有限的，非越流性，封閉含水層透射率和蓄水系數的標準試驗方法
  10. This paper reviews the existing research methods for the water - yielding rules, presents the difference between the lab core and the real reservoir in macroscopic and microscopic geologic characteristics, integrated with the relative permeability curve and the methods for determination of the volumetric conformance efficiency of lab core and the real reservoir, and proposes a new method - conformance efficiency modification method that can be used to determine the theoretic water cut curve of the water drive oilfield

    在總結現有產水規律研究方法的基礎上，從考慮室內巖心與實際油藏宏觀，微觀地質特性差異的角度出發，結合相對滲透率曲線以及實驗巖心、實際油藏體積波及系數的確定方法，提出並建立了一種確定水驅油田理論含水率曲線的新方法波及系數修正法。
  11. The changing rule of the seepage field under the different dam type, permeate coefficient and different rising or falling speed of the water level is explored

    探求滲流場在不同壩型、不同滲透系數以及不同的水位升降速度下的變化規律。
  12. Industrial packagings. flexible and heat sealing protection materials of low coefficient of water vapour transmission p

    工業包裝.低水蒸氣滲透系數的熱密封軟包裝材料
  13. Industrial packagings. flexible and heat sealing protection materials. polyethylene based monolayer material having a water vapour transmission coefficient of 1 g m2 24 inferior or equal p inferior or equal 4 g m2 24 h

    工業包裝.撓性熱密封防護材料.水蒸汽透過系數為1g m2 . 24h p 4g m2 . 24h的聚乙烯基單層材料
  14. Results showed : ( 1 ) if the proportion of water in the soil is lower than wilting coefficient, and if irrigating water is very little, ( irrigating water is spreading horizontally and vertically ) the relationship between the horizontal width ( x ) and the ? rtical depth ( y ) is remarkable. the equation is y - 0. 02 12x2 + l. 8546x - 17. 88. the related coefficient is r = 0. 9350

    結果表明： （ 1 ）在土壤含水量低於萎蔫系數的乾燥條件下，進行微量穴滴灌，滴灌點土壤濕潤面直徑x與最大垂直面滲透深度y呈顯著相關，數學模型為： y = - 0 . 0212x ~ 2 + 1 . 8546x - 17 . 88 ，相關系數r = 0 . 9350 （ 2 ）在微量補水灌溉情況下，只有灌水量大於4000ml /穴，才能使滴灌水滲透到20cm以下土層，達到作物根系集中層，否則水分很難被作物吸收，造成滴灌水的浪費。
  15. In the test of transmission coefficient property, semi - circle type, rectangle type, trapezoid type and concave type dyke are studied. research study is on the effect of relative water depth over the dyke to the transmission coefficient of the four different types dyke, and the comparison is done. finally, the experimental formula is given to the transmission coefficient, which are compared with the present formulae

    在潛堤透射特性的研究中，選取半圓型、矩型、梯型和槽型潛堤作為研究對象，在分析各個影響因素對潛堤透射影響的基礎上，選取最主要的影響因素，即相對堤頂水深作為研究的重點，分析研究了堤頂相對水深對四種結構型式潛堤透射系數的影響，比較分析了四種結構型式潛堤透射特性，在此基礎上，總結了計算潛堤透射系數的經驗公式，並與已存在的計算公式進行了對比，最後對潛堤的促淤效果進行了評估。
  16. The grade composite, road performance and its mechanism are systemically studied. 1 ) the aggregate grade of ogfc is studied through the volume method base on the analysis of the aggregate grades. then the grade is verified and the relation between the grade and pore rate is studied statistically, the typical grades of ogfc are developed ; 2 ) the reasonable pore rate of ogfc is studied on the basis of the balance of mechanics and function performance ; 3 ) the mineral fiber is added to the ogfc mixes to increase asphalt content, thus the anti - water performance of ogfc mixes are improved ; 4 ) high viscous asphalt fit for the preparation of ogfc is prepared through composite modification by sbs and rubber powder ; 5 ) the mechanics mechanism of ogfc is studied in the paper, it shows : asphalt paste, as well as the coarse aggregate skeleton, is essential to the mechanics of ogfc

    在分析各國ogfc級配的基礎上，運用礦料體積法進行ogfc級配設計，用正交實驗對礦料級配進行了優化設計，運用數理統計方法分析礦料級配和孔隙率之間的關系，並回歸出礦料關鍵篩孔通過率與ogfc骨架空隙結構關系的數學方程，進而提出了ogfc的合理級配；通過對不同孔隙率典型級配混合料的性能研究，綜合力學和功能性能，得出了ogfc的合理孔隙率范圍：針對高速公路面層對ogfc力學性能方面的要求，本文從瀝青膠結材料、纖維穩定劑兩方面對ogfc的性能進行改善：通過sbs和橡膠粉復合改性的方法開發出了適合ogfc的高粘度改性瀝青，摻加聚合物纖維，提高ogfc的最佳瀝青用量，進而改善了混合料的高溫性能和抗水損害性能，優化設計出能滿足高速公路路用性能，車轍動穩定度達5000次/ mm以上，動融劈裂強度比90 ，透水系數31ml / s ，並具有防滑降噪功能的開級配瀝青磨耗層（ ogfc ）混合料。
  17. Standard test method for determining transmissivity and storage coefficient of low - permeability rocks by in situ measurements using the constant head injection test

    用恆定水頭噴射試驗現場測定低滲透性巖石的透過比和釋水系數的標準試驗方法
  18. In the laboratory, it has been found that the incorporation of straw into the soil increased the coefficient of saturated soil penetration, thus the macro - porosity of soil

    實驗室測定表明，在土壤中加入稻草可以增加土壤的飽和透水系數，這說明土壤的大孔隙增加了。
  19. Standard test method analytical procedure for determining transmissivity and storage coefficient of nonleaky confined aquifers by the theis nonequilibrium method

    非平衡法測定非越流性有側限的蓄水層透射系數及儲存系數的試驗方法
  20. Standard test method for determining transmissivity and storativity of low permeability rocks by in situ measurements using pressure pulse technique

    用壓力脈沖技術現場測量低滲透性巖石的透射率和釋水系數的標準試驗方法
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