透孔性 的英文怎麼說

中文拼音 [tòukǒngxìng]
透孔性 英文
conductivity of an aperture
  • : Ⅰ動詞1 (滲透; 穿透) penetrate; pass [seep] through 2 (暗地裡告訴) tell secretly; let out; lea...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  1. The black earth is a kind of alfisol, with a thick layer of humus, loose texture, high fertility, high porosity ratio, poor permeability and a high content of clay, which is suitable for cultivation

    摘要黑土是一種腐殖質層厚,質地鬆散,肥力很高,隙比較大而差,粘粒含量高,適于耕作的淋溶土。
  2. 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、滲深度、隙度、毛細吸水和滲系數、持水量、抗壓強度、抗鉆強度、吸附水蒸氣的能力、、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和保護效果給予了系統研究。
  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,增加土壤的毛管隙度、非毛管隙度和隙比,以及增加粉粒含量,從而降低土壤分散度,提高土壤團聚,增加土壤團粒結構數量,改善土壤的,促進良好土壤結構的形成,最終提高土壤的蓄水保肥能,增強土壤的抗蝕和抗沖
  4. Oil is usually found in porous rock under a layer of impermeable rock which prevents it from escaping.

    石油通常存在於多的巖石中,上面覆蓋著不可滲的巖層,使石油不致散失。
  5. Determination of gas porosity and gas permeability of hydraulic binders containing embedded radioactive waste

    含有包埋放射廢物的液壓粘合劑氣的測定
  6. Standard test method for resistance of nonporous paper to passage of air

    紙防的標準試驗方法
  7. In this process, compressors drive co2 into the oil remaining in the deposits, where chemical reactions result in modified crude oil that moves more easily through the porous rock toward production wells

    在過程中,壓縮機將二氧化碳打入沉到底下的殘油,化學反應使原油變得較易穿的巖石而進入油井。
  8. Since the pebble structure is of big pellet easy to be permeated ant it is difficult to smash and drill, the appliance with big diameter and deep cast - in - place pile has been greatly restricted

    卵石地基具有顆粒大、強、進尺和破碎困難、容易垮等困難,限制了大直徑深灌注樁在其中的應用。
  9. The quantification indexes that token weathered degree are primary velocity, borehole rqd ( rock quality designation ), joint space, joint number and so on, and the unloading ones are primary velocity, joint opening, borehole penetrability and so on. the compartmentalization of different weathered and load - off zones according to quantification indexes tallies with the slope geo - stress computed by finite element method

    其中研究風化分帶的定量指標有縱波速vp 、鉆rqd 、結構面間距與條數等,研究卸荷分帶的定量指標有縱波速度、節理開度與鉆巖體,據此劃分的不同程度風化、卸荷巖體與有限元計算的壩區河谷應力場具有良好對應
  10. According to the underground pressure distribution rule and the separation control function of drainage borehole, the shallow hole drainage technology is studied and tested by using the characteristic that the gas permeability may have an obvious increase after mining in front of the working face, obtaining some useful parameters, showing that the technology is feasible and credible

    根據礦山壓力分佈規律和抽放鉆的隔斷控製作用,並利用工作面前方煤體受采動卸壓后顯著提高這一特,研究並試驗了卻壓區淺抽放技術,獲得了該抽放技術的工藝參數。
  11. Based on a thorough investigation of the engineering geological condition for the reservoir region of the huizhou pumped storage power station, the in - situ trial pit water injection test, boring water injection test, and water pressure test were performed to study the permeability of rock and soil mass

    摘要在對惠州抽水蓄能電站庫區工程地質條件進行詳細調查的基礎上,採用現場試坑注水和鉆注水、壓水試驗等方法了解巖土體的
  12. Powders are scattered in dispersant by the high - energy dispersing technology ; viscidity of dispersant is great, density of dispersant close particle density. polyvinyl alcohol is choosed as dispersant, and concentration of polyvinyl alcohol ranges from 3wt % to 7wt % ; the concentration of particle is 0. 4g / cm3. 4 the consolidation technology includes dry, the rate of heat - up and sintered

    分散採用高能量的分散技術;分散劑選擇粘度大,密度與懸浮粒子密度相近的分散劑;對于鈦粉、不銹鋼粉,其分散劑選擇聚乙烯醇,聚乙烯醇的濃度范圍在3wt ? 7wt ;在刷塗工藝條件下懸浮液的最佳濃度為0 . 4g / cm ~ 3 ,懸浮液濃度對多金屬膜的影響不大。
  13. In the aspect of mortar permeability the author has done some experiments, including the water absorption, porosity, weatherability, anti - freeze - thaw cycle, carbonation and the chloride diffusion experiment, and compared those properties with conventional mortar to testify the modified effects. on the base of these experiments, the method of sem was used to analyze the microstructure and hydration mechanism of polymer modified cement mortar, and the author draws a conclusion that the 9 percent of polymer - cement ratio is the optimum ratio

    在改進砂漿的密實度和抗滲能方面,主要進行了不同聚合物摻量下的吸水試驗、可隙率試驗、耐老化試驗、抗凍試驗、抗碳化試驗,以及對耐久能影響最大的快速氯離子擴散試驗,並和普通砂漿的相應試驗進行了對比分析,驗證了聚合物砂漿的改效果。
  14. Product this getting wet different silica gel of variety, pouch of packaging completely, main raw materials silica gel one high capillary structure moisture to oxidize silicons 2 times, nonpoisonous, tasteless, has not scented, the chemical property is steady, have strong performance of picking up the moisture

    本品是小袋包裝的不同品種的硅膠,主要原料硅膠是一種高微結構的含水二氧化硅,無毒無味無嗅,化學質穩定,具強烈的吸濕能。
  15. Silica gels have lots of unique capabilities, nicer heat - insulating property, low density with porous structure, good transparency, low reflect index, nice mechanical elasticity, big surface area, for instance. these properties made it to be applied in many fields as optics, catalysis, sensor, high - energy physics, mechanism and so on

    二氧化硅( sio _ 2 )凝膠具有許多獨特的能,如良好的絕熱,密度低且具有多結構,好,反射指數低,機械彈好,表面積大等,使其在光學、催化、傳感、高能物理、機械等領域獲得了廣泛應用。
  16. With the data recorded by computer, the author studies the experiment progress in detail, which includes the development of pore press, strain, strength of the sand, etc. connecting the development of these phenomena with the development of stress path, the author finds new mechanism which can explain the phenomena in the experiment. what is more, according to the dynamic test of the sand, there appears a steady state at the last phase of the development of strain and stress path, in which the strength of the sand is studied because it is an important parameter in evaluating the stability of sand against liquefaction. secondly, the dynamic constitutive relation was studied through the dynamic tri - axial test

    本文首先採用目前國內較先進的微機控制動三軸儀,利用其可以適時採集和儲存數據的優勢,對砂土的實驗過程進行了細致的分析,研究該過程中隙水壓力發展、軸向應變發展以及它們與應力路徑之間的關系,對飽和砂土的剪脹、剪縮和卸載體縮等多個方面進行了研究,探索了砂土的動力特,分析了影響砂土抗剪強度的各種因素,這些因素既包括土本身的特(土的密度、結構、級配、以及初始狀態等) ,又包括動荷載的特徵(振動力幅值大小和振動頻率等) 。
  17. Regarding the lcm filling process as the newton fluid through fibrous reinforcements, the permeability of preform determines the saturating of resin in fiber, and has effects on the curing process and the quality of products. based on the darcy ' s law, the theoretical model of permeability measurement was established. and the influence of different testing methods and major process parameters such as fabric structure, fiber volume fraction, injection pressure, flow rate and resin viscosity on preform permeability were investigated in details

    文中首先根據達西定律建立了滲率測量的理論模型,深入研究了不同的測試方法及主要工藝參數(纖維織物織構、纖維體積含量、充模壓力、流動速度、樹脂粘度)對滲的影響規律,發現多介質增強材料的滲率主要取決于纖維織物的結構形式,預成型體隙分佈及其體積分數、壓實對滲率有較大的影響,提高充模壓力和流動速度可以縮短充模時間,在一定程度上可以提高滲率。
  18. Synthetic aperture radar work making use of microwave and it is coherent - imaging system. synthetic aperture radar is little affected by atmospheric condi - tions. it also allows night imaging. so it playes a more and more important role in both civil and military areas

    合成徑雷達( sar )是一種工作在微波波段的相干成像雷達,由於其全天候和強等特點,在軍事和民用方面顯示出巨大的發展潛力和廣泛的應用前景。
  19. Application and study on gas drainage technique for highly - located bore - holes in poor penetration seam

    高位鉆抽放瓦斯技術在弱煤層中的研究及應用
  20. By switching between blue and red outsoles, players can also customize the shoes to match apparel etc. the inner shoe comprises a lightweight mesh upper for excellent ventilation and comfort

    選手也可以根據自己服飾搭配需要更換外底顏色。鞋的內襯由輕質材料的網設計而成,具有良好的和舒適
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