滲水深度 的英文怎麼說
中文拼音 [shènshuǐshēndù]
滲水深度
英文
water penetration-
Chapter 3 and 4 researches soil depurating function and rule to rainwater by soil columniation penetrating examination on the basis of the two former chapters. and it analyses the influence of soil structure, contamination burthen and penetrating deepness to depurating effect, and discusses contaminate cumulation and renewing ability of soil
第三章和第四章在前兩章的基礎上,通過土壤柱滲透試驗,研究了雨水在土壤中的凈化作用及其規律,分析了土壤結構、污染物負荷、滲透深度對土壤凈化效果的影響,並對污染物的累積和土壤凈化能力的恢復進行了探討。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。According to the feature that deformation resulted from water absorption and mildew appear mainly on the rabbet surface of ccf, this paper adopts rsst to spray a special waterproof sealant on rabbet surface of ccf, so that the sealant can get into fiberboard to certain extent by means of capillarity and penetration, blockage the holes between fibers and capillary, cut up passage of water and change the properties of soakage and sorption to water in capillarity and fiber. at the same time, solidified sealant can form a compact waterproof pellicle on rabbet surface so as to prevent water and humidity from fiber ' s expansion and mildewing
針對吸水變形、霉變主要發生在地板企口表面的特徵,採用企口表面全封閉法,在復合強化地板企口表面噴塗特殊的防水封閉劑,使其依靠毛細管作用及滲透作用進入板內一定深度,堵塞木纖維之間的空隙及毛細孔通道,截斷水分傳遞的渠道,並改變毛細孔壁及纖維的表面性質以不利於水的浸潤與吸附,同時其固化后能在企口表面形成一層緻密的憎水薄膜,防止水分、濕氣從企口侵入板內引起木纖維膨脹變形、發霉等現象。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。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,採用局部非熱平衡假設建立了多孔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孔介質中的流速、氣固溫度和床層壓力損失.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,增大入口滲流速度以及減小床層物料下移速度將導致物料溫度沿床高慢速下降,熱滲透深度擴大,熱滲透作用區域內的物料溫度水平提高.在熱滲透作用區域,孔隙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Luxury remoisturizer is a deep penetrating hair treatment that helps restore moisture to the skin and manageability to the coat
深度特級保濕?油膏是高滲透性的毛發生活劑,幫助恢復皮膚的水分平衡和改善毛發的梳理度。On the basis of analyzing infiltration process to different soil and water conservation tillage measures type, a increasing infiltration r ates model for different soil and water conservation tillage measures type by using water balance equation is woke out. 4. accumulation depth and soil crust have a better affect to soil initial stage infiltration rates and a little affect to soil stable infiltration rates
( 4 )積水深度和土壤結皮對初始入滲速率影響較大,對穩定入滲速率影響不大,隨著積水深度和結皮厚度的增大,這種情況尤為顯著,如在積水深度為5cm和3cm情況下,穩定入滲速率在黃土高原溝壑區分別為0 . 57mm min和0 . 56mm min ,在黃土丘陵溝壑區分別為0 . 94mm min和0 . 93mm min ,兩者相差甚微。With the first - hand data about the changing rules in cropland evapotranspiration collected by the ranzhuang water resources experiment station from the wheat and corn field, an analysis is made on the changing rules cropland evapotranspiration course and depth, and the concerned data range in the condition of experiment is brought forward
摘要根據冉莊水資源實驗站大型地中蒸滲儀在種植小麥、玉米情況下的農田蒸散發量實測資料,分析了農田蒸散發量的時程及深度變化規律,提出了在實驗條件下農田蒸散發量的數值范圍。Testing hardened concrete - part 8 : depth of penetration of water under pressure ; german version en 12390 - 8 : 2000
硬化混凝土試驗.第8部分:加壓水滲透深度The principal conclusions include : ( a ) the composite system is composed of both active - bearing structural members and inactive - bearing ones, being of a character of combination of rigid retaining structures with flexible ones, so its working mechanism will be behaved as sharing loadings, waterproof and impermeability, loading transfer, local reinforcement and pre - reinforcement ; ( b ) the experimental results show that much more subsoil will participate in retaining action, soil stresses of internal slope will be shared uniformly and deflections caused by excavation will be reduced notably because of cooperation of nails and cement - soil mixing pile wall ; and ( c ) the internal forces of facing in vertical model will be a control factor of design and the cross section tensile strength of cement - soil wall will govern strength of the
主要研究結論有: ( 1 )復合土釘支護的作用機理主要為臨時加固土體以保證局部穩定、有機聯系以共同承擔荷載、改善土體性質起到止水抗滲作用。 ( 2 )試驗結果表明:復合土釘支護能夠充分調動周圍土體共同作用,有效地控制基坑變形;復合土釘支護中止水帷幕的插入深度和強度對控制邊坡變形與失穩有較大作用;復合土釘支護效果明顯優於一般的土釘支護。 ( 3 )面層與邊坡土體共同變形,設計時可按外力作用下的彈性地基梁進行計算。In this project, the maximum height of the dam is 81m, but the deep overburden in the riverbed has the depth of 147. 95m which is about two times of the maximum height of the dam body, so the seepage and liquefaction prevention of the dam foundation becomes the key and important problem in the design of the dam project. the static stress and deformation under three different projects - horizontal blanket project, clay core project and asphalt core project - for the dam is analyzed comprehensively. the damage that may be induced by variable factors on the dam body in time of engineering completion and water impounding operation period is seriously studied
其次,將這一模型用於分析下坂地水利樞紐工程,由於該工程河床覆蓋層深度最深達147 . 95m ,是壩體高度的近兩倍左右,壩基的滲流和液化成為壩體安全主要問題,本文對該壩的三種設計方案即水平鋪層防滲方案、粘土心墻防滲方案及瀝青心墻防滲方案的靜態應力位移及壩體在竣工期、蓄水期等各個階段可能產生的破壞進行了認真研究。Thirdly, because the depth of the seepage prevention wall of xia ban di dam project has the value of 85m which is the maximum depth in the dam projects in our country, the stress state of the seepage prevention wall is very complicated, the influence of nine modulus for nine kinds of seepage prevention wall material on the stress and displacement of the seepage prevention wall is studied and the rule of the change of stress and displacement with the change of characteristic parameters for seepage prevention wall under time of engineering completion and water impounding operation period is given in this paper
第三,鑒于大壩基礎混凝土防滲墻深度達85m ,厚度僅為1 . 0m ,防滲規模和工程難度為國內之最,墻體應力比較復雜,本文研究了大壩施工填築竣工期、水庫蓄水運行期防滲墻的應力和變形隨墻體參數的變化而變化的規律,為大壩安全設計及防滲墻墻體材料的選擇提供了理論依據。In port engineering, cracks in wharf surface will not only influence the visual quality of project, but also weaken the durability of structures when sea water penetrates into deep cracks and corrodes the internal reinforcement
摘要在港口工程中,碼頭面層產生裂縫,影響工程的觀感質量,海水滲入深度大的裂縫腐蝕內部鋼筋,影響結構的耐久性。The settlement depends on not only the depth of dewatering but also the permeability of soil
地表沉降不僅取決于坑外降水深度和坑內外水頭差,還與土層的滲透性有關。By reducing the permeability of soil at the bottom of pit and selecting optimal dewatering depth, the settlement of ground surface can be well controlled
採用降低坑底土層滲透性的措施和選擇最佳的降水深度能有效地控制坑外地表的沉降。Testing hardened concrete - depth of penetration of water under pressure
硬化混凝土試驗.加壓時水的滲透深度Testing hardened concrete - part 8 : depth of penetration of water under pressure
硬化混凝土試驗.第8部分:加壓時水的滲透深度2. on the basis of analyzing experimental data for slope land of loess plateau in different slope gradient and rain intensity and soil and water conservation tillage measures, using curve - fitting techniques, a soil infiltration rates model was woke out, the accuracy of the model is tested by a series of experiment data, the result of these indicate that the soil infiltration rates model is accurate and has good stability for slope land of loess plateau. 3. using soil infiltration rates and runoff time and wetting frontal surface depth of soil infiltration reflect effect of factor affecting soil infiltration rates
( 3 )採用土壤穩定入滲速率、坡面開始產流時間、土壤濕潤鋒面下滲深度三個指標來反映坡耕地土壤入滲影響(土壤性質、土壤初始含水率、地面坡度、降雨強度、積水深度、水土保持耕作措施等)因素效用大小,建立了各因素與三個指標的關系模型,詳細分析了不同水土保持耕作措施強化土壤入滲的影響,其中等高耕作作用最為顯著,其次是人工掏挖和人工鋤耕。Abstract : the operation experiment of pilot - plant of ozonization - activated carbon process and bench experiment of membrane process such as uf, nf, ro were carried out for comparison of the treatment effects of the two typical advanced water treatment processes
文摘:考察了實際生產規模的臭氧粒狀活性炭工藝以及小型超濾、納濾、反滲透膜法兩種典型飲用水深度凈化工藝的處理效果。This article describes the main forms of water leakage through exterior walls and on the basis of hydromechanics and surface physicochemistry deduces theoretical formulas for the computation of the depth of infiltration of water through walls, its infiltration rate and infiltration duration and thus makes quantitative evaluation of the main influential factors and their influential degree for the water leakage through exterior wall
介紹了建築外墻滲漏的主要形式,並根據流體力學及表面物理化學理論,推導出水在墻體中滲透深度、滲透量及滲透時間的理論計算公式,從而對外墻滲漏的主要影響因素及其影響程度進行定量的評估。分享友人