阻水孔 的英文怎麼說
中文拼音 [zǔshuǐkǒng]
阻水孔
英文
stowater-
Based on the effective medium hb resistivity models in laminated or dispersed shaly sands proposed by berg, the general effective medium hb resistivity model in laminated and dispersed shaly sands is established. in the derivation of the model we assume that clay - bound water fraction is included in total pores, clay - bound water and formation water have the same resistivity, and yet the difference of electrical properties between the two waters is incorporated into clay grain conductivity
本文首先基於berg提出的層狀泥質或分散泥質砂巖有效介質hb電阻率模型,並在總孔隙中考慮粘土結合水的體積,但不考慮粘土結合水與地層水導電性的差別,而將粘土結合水與地層水的導電性差別歸結到粘土顆粒導電中,建立了混合泥質砂巖有效介質通用hb電阻率模型。Medicaments is absorbed through the skin, outside changing property to affect except the put in order that gets medicaments itself, still with skin itself appear a gender to have affinity, the corneous layer in the skin is the main obstacle that the influence appears a skin to absorb
藥物經皮膚吸收進入體內的主要途徑有: ( 1 )通過毛細血管通道;經過角質層轉運和皮膚深層轉運而吸收入血,阻隨血液循環到達人體各部位; ( 2 )水合作用:角質層經水合作用后,可膨化呈多孔狀態,有利於藥物滲透; ( 3 )熱刺激作用:可使局部血管擴張,血液循環加快,有利於藥物的穿透彌散和吸收。The threshold value of soil water contents for photosynthesis and stomatal resistance is about 14 ( 0g ), i. e., 60 65 of field capacity
棉花的光合速率和氣孔阻力隨土壤含水量變化的閾值約在14土壤含水量水平,該閾值相當於田間持水量的60 65 。Based on the equal strain consolidation model of sand drain, and neglecting the well resistance and the vertical drainage consolidation, a layered model for the nonlinear consolidation of sand drain, which accounts for the geostatic pressure varying along depth and the relationship between the average viod ratio and the logarithm of average effective stress, is presented
摘要基於砂井等應變固結模型,考慮初始有效應力沿深度變化,忽略井阻和豎向排水固結的影響,應用平均孔隙比與平均有效應力的對數關系,建立砂井非線性徑向排水固結的分層計算模型,並求得常荷載作用下的徑向排水固結解析解。The salinity of the water in the pores is probably the most critical factor determining the resistivity.
孔隙內水的礦化度或許是決定電阻率的最主要因素。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。The theoretic calculating method of the maximum and the minimum water level in the differential surge tank has been derived firstly. also the explicit method of calculating surges in the differential surge tank has been deduced firstly by use of thaler series expansion. the calculating method of section of the well and the effective impedance hole in the surge tank has been gived
根據差動式調壓室的基本微分方程,首次推導出了差動式調壓室涌浪幅值的理論計算公式;並同樣利用泰勒級數展開方法推導出了差動式調壓室水位波動的顯式計算式;導出了差動式調壓室大井面積和有效阻抗孔面積的計算方法。It was shown that resistance of pore solution ( r ) and resistance of electrochemistry reaction ( ret ) increased with the prolongation of hydration ages but r decreased with the augment of coal stone. can indirectly reflect the hydration degree of cement pastes
研究結果表明,孔溶液電阻隨著水化齡期的延長而增大,但隨著煤矸石摻量的增大而減小;電化學反應電阻隨著水化齡期的延長而增大,且可以間接地反映水泥漿體的水化程度;分形維數值隨著水化齡期的延長而減小,但隨著煤矸石摻量的增大而增大。After deducing simplified general formula, a method for calculating structure and performance parameter of water hydrostatic bearing is presented, in which the throttle function of short damping hole is employed to decrease water film thickness and to improve the bearing performance
由於滑靴的靜壓支承性能較差,因此在推導出簡化通用公式后,提出了計算水靜壓支承結構和性能參數的方法,利用短阻尼孔的節流作用來減小水膜設計厚度,提高支承性能。Boring, grouting and finally forming an impervious curtain in the rock mass with cracks, that is one of the most popular methods of the foundation seepage control at hydraulic and hydroelectric engineering
採用鉆孔水泥灌漿封堵巖體中的縫隙而形成阻水帷幕,達到減少滲漏量和降低滲透壓力的目的,是水利水電工程基礎處理的重要手段之一。Abstract : the drilling resistance of the erkaijing well in oil field of north shanxi is caused by hydration expansion of mud stone and mud cake deposition of porous sandstone
文摘:陜北油石二開井段遇阻的原因為泥巖的水化膨脹和孔隙性砂巖的泥餅沉積。The stress condition ; overall stability ; effect of filling gravels into the hole of the block of the precast concrete interlocking blocks in the water flow during the flood period as well as the resistance parameters of the blocks are studied through experimental simulation ; in which a comprehensive analysis is made on the mechanical stability and the anti - erosion properties of the blocks, and then the requirement and the safety degree of the gravel filling are given
摘要通過試驗模擬研究了預制混凝土連鎖塊在洪水期水流中的受力狀況、整體穩定性、孔內填充碎石的作用及連鎖塊阻力參數,綜合分析了連鎖塊結構的力學穩定性和抗沖性,給出了碎石填充的要求及安全度。In 2000 passed theiso9001 quality system authentication, the main camp product includes : the filter, filters the separator, the oil - water separator, thesilencer, cuts shui qi, the respiration valve, the fire resistance, the hydraulic pressure safety valve, kong leijian, the metal vlexiblehose, the ripple compensator, fluctuates under the oil installment, the pot the sampling, the crane tube, lightly falls the springboard, the steel structure trestle, the liquid level indicator, the oilinterceptor, the heater, regards product and so on boundary
2000年通過了iso9001質量體系認證,主營產品有:過濾器、過濾分離器、油水分離器、消聲器、切水器、呼吸閥、阻火器、液壓安全閥、孔類件、金屬軟管、波紋補償器、浮動出油裝置、罐下采樣器、鶴管、輕落跳板、鋼結構棧橋、液面指示器、阻油器、加熱器、視境等產品。The phase change of soil moisture and inflation of the frozen moisture c ause the reduction of hydraulic conductivity by reducing the area of flow section and the aperture of soil pore space, increasing the capillary resisting force to soil moisture, and decreasing the water potential gradient because of the increasing of movement distances of soil water
導水率減小是凍結土壤入滲能力減小的根本原因,而土壤中液態水的相變是導水率減小的根源所在。土壤水分的相變及其膨脹通過減小土壤水分過水斷面面積和孔隙孔徑,增大阻力和由於增長運動距離而減小水勢梯度使凍結土壤的導水率降低。Test method for relative resistance to vented water - tree growth in solid dielectric insulating materials
固體介電絕緣材料對應通氣孔水柱上升的電阻力測試方法Dn 10 - dn 20. c d devices to prevent pollution by backflow of potable water - pipe interrupter with permanent atmospheric vent dn 10 to dn 20 - family d, type c
防止飲用水迴流污染的裝置.帶恆定大氣壓力孔的管阻流器The resultant precipitates deposited on pipe walls and in orifices and sprinklers can completely plug the irrigation system
產生的沉澱沉積于管壁、滴水孔和噴嘴上,完全阻塞整個灌溉系統。According to the situation on back - salinity at clay interlayer in gansu shule river irrigation area, the improvement technology on drainage salinity through stand - hole was suggested to adopt in shule river irrigation area
摘要針對甘肅省疏勒河灌區粘土夾層土壤的阻水滯鹽作用,提出了豎孔排鹽改良技術。It is especially critical for drip systems that must be kept free of suspended solids and microorganisms that plug small orifices in emitters
對于滴灌系統,水質更加重要,水中必須不含懸浮的固體顆粒和微生物,以防止阻塞滴頭出水孔。Based on continuous porous medium seepage model, it is assumed that if waterproofing board of complex lining is perfect, the secondary lining is leakproof, thus the formula of external water load on secondary lining with a grouting loop is deduced
以連續孔隙介質滲流模型為基礎,假定復合襯砌中防水板施工完好二次襯砌是封閉阻水情況,推導出了有注漿堵水圈的隧道襯砌結構外水荷載計算公式。分享友人