孔隙長度 的英文怎麼說

中文拼音 [kǒngzhǎng]
孔隙長度 英文
pore length
  • : 名詞1 (縫隙; 裂縫) crack; chink; crevice 2 (空閑) gap; interval 3 (漏洞; 機會) loophole; op...
  • : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 孔隙 : small opening; hole; [冶金學] pore; aperture gap; pore space; ventage; void
  • 長度 : length; longitude; size; extent; footage
  1. The paper can concern the soil ' s instantaneous fallout, soil ' s main settlement due to concretion, and the coactions of soil and pile by applying the contact surface to simulate the coactions. the paper can analyze the service behavior of reuniting foundation and the effect of the pile ' s intensity, length and distance. the paper is concerned with the stressing of pile and the arrangement of pile for the smaller cost to fit the subsidence of throughway

    通過有限元計算,分析了復合地基樁土工作性狀,分析了樁的剛,樁距對地基沉降及超水壓力的影響,並根據復合地基中樁的受力特點,提出合理的樁的布置方式,在滿足高速公路路面沉降要求的前提下,節省工程投資,加快建設進
  2. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    ( 2 )利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究,通過分析正弦荷載作用下的試驗資料,驗證了粉土的水壓力增模式的合理性;從微分方程推導了基於土體振動臺模型試驗的相似律,並從模型實體、壓時程曲線和相似律等方面做出了分析,得出了如下結論:在小型振動臺試驗中,模型箱中的粉土都發生了液化,液化的時刻和輸入加速幅值有關,而對頻率的變化不太敏感;粉土在相當於8 9地震烈的加速幅值作用下可能產生嚴重的液化;壓的增曲線形狀與施加的荷載有關:當施加荷載為由小到大的形式時,曲線形狀為上凹的曲線;當施加荷載為等幅的正弦荷載或荷載幅值由大到小時,曲線形狀為上凸的曲線,且逐漸趨于穩定。
  3. The cross-sectional areas of the pore openings vary along their length.

    通道的橫截面面積沿其方向變化。
  4. Then, the relationship between effect of cement content on the structural formation and the increase of the strengths of the stabilized soils with various cement contents was analyzed, and it was shown that the structural formation of stabilized soil consisted of soil particle cementing and pore filling

    在此基礎上,對水泥含量不同時,水泥在固化土結構形成過程中所起不同作用及其與水泥土抗壓強規律相互關系進行了分析,提出固化土結構形成由固化劑膠結土顆粒與填充兩部分構成。
  5. 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徑,增大阻力和由於增運動距離而減小水勢梯使凍結土壤的導水率降低。
  6. By the compounds of submandibular gland cells and collagen sponges. we investigate the optimal cell denisity of tissue engineered compound of submandibular gland cells and collagen sponges, the cellular compatibility of tissue engineered compound of submandibular gland cells on the collagen sponges with different porosity and the influence of epidermal growth factor on the adherence of submandibular gland cell to collagen sponge. our studies can primary provide theoretical ground work to form the model in vitro of tissue engineering smg

    在本研究中,以初步探討體外頜下腺細胞與膠原海綿支架相互作用為目的,採用體外分離培養sd大鼠頜下腺細胞,然後接種于膠原海綿支架上體外復合培養的方法;從不同接種細胞濃對細胞一支架復合物影響,同一接種細胞濃在不同率的支架上黏附、增殖的情況及表皮生因子( egf )對頜下腺細胞的促增殖作用,促細胞在支架上黏附等三方面入手,初步研究了頜下腺細胞與膠原海綿相互作用的影響因素,為進一步在體外及體內構建較為理想的組織工程化頜下腺提供理論參數和實驗依據。
  7. Ceramic grain filters ard made of refined pottery clays added with certain modifiers, and processed of grinding, mixing, shaping and high temperature sintering. they do not contain any substances that harmful to people or environment. they are hard and rough in surface, porous inside the structure, and have the advantages of high mechanical strength, large specific surface area and porosity. when used in water treatment, they behave a activated surface property, a great amount of pollutant entrapment, less water head loss in the filter bed, lower consumption of back - flush water, stable in chemical and gbiologic property, and long service life, ceramic grain filters is a new and efficient filter material to increase the water yield, upgrade the water quality, and save chemicals and energy

    陶粒濾料是以精製陶土為主要原料,摻加適量改性劑,經粉碎,混練,成型和高溫煅燒而製成的,不含任何對人體和環境有害的物質.其表面堅硬,粗糙,內部疏鬆,多,具有機械強高,比表面積大,率大的特性.用於水處理中,具有表面性狀好,截污能力強,過濾水頭損失小,反沖洗耗水量低,化學穩定性和生物學穩定性好,使用壽命的特點.陶粒濾料是一種能增加水產量,提高出水質量,節省藥劑和能耗的新型高效過濾材料
  8. Based on the foundation " liquefaction test study on the rapid railroad bed " supported by the railway department, some works on the liquefaction of silty soils have been carried out. in this dissertation, after making a short review of the works on seismically induced soil liquefaction, some research results are presented, which include the following contents. ( 1 ) depending on the dynamic triaxial test, the liquefaction strength of the silty soils is studied and two new models are proposed to evaluate the pore water pressure and the strain of the saturated silty soils during earthquake

    結合鐵道部發展基金項目: 「高速鐵道液化土地基試驗測試研究」 ,本論文概括總結了地震液化的研究現狀,就滬蓉高速鐵路徐州段可液化場地粉土地基的液化特性問題開展了一些研究工作,內容如下: ( 1 )提出了基於實用目的的粉土的水壓力增模式和永久應變勢計算模型,並把此兩模型應用於場地的地震反應分析和地震液化性能的評價中;依靠循環振動三軸試驗技術,對粉土地基的地震液化強進行了試驗研究;驗證了密實是粉土液化的重要影響因素。
  9. The derivation of the leakage flow rate formula of the special annular clearance between the piston and cylinder under condition of variable viscosity in the axial piston pumps was carried out. at same time, considering the questions of the eccentricity and the variable sealing length of piston friction pair, the modified coefficient of the calculation formula of the flow - rate of the leakage was given

    在變粘、柱塞偏心以及變密封條件下,對軸向柱塞泵中柱塞與缸之間的特殊圓環縫的泄漏流量公式進行推導,得到了該計算公式的修正系數; 6
  10. Railway rolling stock. airconditioning. dimensions and clearances reserved for vg - length air conduits

    鐵路車輛.空調.供vg -空氣導管備用的間和尺寸
  11. The rehological deformation will result in change of strength of the filling material. during the rapid rehological deformation period, weak filling material was broken and getting finer, the strength decreases at the same time. in the stable deformation period, the fine particles fill up the pores so that the strength increases slowly

    在最初的流變加速期,軟弱顆粒逐步破碎細化,強是衰減的;進入流變穩定變形期后,細化顆粒向粒間滑移充填,堆石的密實有所提高,強又呈緩慢增趨勢。
  12. On the basis of the study of high resolution sequence stratigraphy, this paper discusses the reservoir petrology ' s diagenesis and secondary pore of the chang 4 + 52 ~ chang 62 pay zones in detail by using the methods of analysis of mercury injection, cast section, popular section, scanning electron microscope, x - ray diffraction and etc. the reservoir rock is mainly composed of feldspar fine sandstone, which is characterized by low compositional maturity and relatively high textural mature

    本文在高解析層序地層學研究的基礎上,通過15口井的常規物性、壓汞、鑄體分析、薄片鑒定、掃描電鏡、 x光衍射、陰極發光、粒分析等多項測試手段,對坪北油田延4 + 5262儲層巖石學、成巖作用及次生進行了詳細研究。
  13. The results show that mild melt treatment can improve the bonding strength of coating, but too high temperature and too long retaining time is not suitable ; higher temperature and longer time will result in tin beads separated out from coating surface, affecting surface quality ; melt treatment can reduce the porosity of tin coating, but over 200, the porosity will increase with the rising of temperature

    結果表明:軟熔處理會改善鍍層結合力,但溫和時間不宜過高、過;軟熔處理的溫過高和時間過,表面會析出錫珠,影響表面質量;軟熔處理會降低鍍層的率,但溫高於200 ,則率會隨著溫的升高而增加。
  14. Aiming at some reservoir characteristics of low porosity, extra - low permeability, low oil saturation, and low productivity as well as shallow depth in changxi area of ansai oilfield, through a large number of laboratory experiments and field tests, some suitable fracturing technology and operation parameters have been optimized, including low temperature fracturing fluids., propping fracture radius 、 pre - liquid and sand - fluid ratio

    摘要針對安塞油田西區低、特低滲透率、低含油飽和和淺層低產的油藏特性,通過大量室內、現場試驗研究,優選出適合的壓裂施工參數,包括低溫壓裂液、裂縫支撐半徑、前置液和砂液比。
  15. Cr particles were enclosed by cr - w solid solution alloy after cr powder and w powder were sintered if the grain size of cr powder is larger than w powder. around cr particles more cr - w solute was formed with prolonging sintering time. during infiltration process, cr was dissolved and moved into the pores in w skeleton by cu liquids and made w skeleton become w - cr skeleton

    較大的cr粉和粒較小的w粉混合燒結后,形成crw固溶體合金包圍cr塊的組織形貌,燒結時間越, cr塊周圍形成的crw固溶體越多;熔滲過程中, cr被cu液溶解並轉移到w骨架之間的中, w骨架則轉變為cr - w骨架。
  16. In this paper a numerical method for equations of transport and biodegradation in the fractured media is discussed. because the equations consist of terms related to advection, diffusion, biochemical as well as the term of exchange betwen the fracture and the porous media, it is very difficult to find their solution. in order to find more efficient method for solving these equations, several numerical methods for the equations without biochemical terms are discussed first. the numerical results show that the cubic spline method can be used to solve advection flow dominated problem which often occurred in the fractured media. then, the equation with both advection - diffusion term and biochemical term are discussed. the splitting - operator is used to decouple the advection and diffusion terms with biochemical term in the equations. the way to determine the smaller time step for solving fast biochemical terms is introduced through comparing the order of characteristic time of biochemical term with that advection ( diffusion ) term. numerical simulation results show that good agreement between analytical solution and experiment result is attained

    本文討論了含裂介質地下水污染物輸運與生物降解非線性方程組數值求解方法.方程含有對流項、擴散項、生、死亡、吸附、解吸、趨化和與裂介質界面間的交換項的非線性偶合,使演算法十分困難.本文討論了無生化過程時的幾種求解方法,數值結果表明:用三次迎風插值法對常見的對流項占優勢,且場變量有較大梯的問題較適用.在討論有生化反應過程時,利用對流項與生化反應項的特徵時間量級估算,給出了求生化過程作用子步的時間步估算辦法.用上述方法所得到的模擬結果與解析解、無化學反應和有化學反應的實測值對比,吻合很好
  17. To ensure the safety of the dam and provide the technology for the decision during the process of construction and store water. in this article, the elastic - plastic stress - deformation of dam is calculated and the consolidation is analyzed. including the rock - fill dam, the stress and deformation distribution of cut - off wall, the deformation of sloping core, the incresment and subduction of pore water pressure and the effective stress situation calculation

    為確保大壩安全,並為大壩施工期和蓄水期運行決策提供必要的技術支持,本論文根據上壩土料的應力一應變一強特性、滲透和固結等特性,對壩體進行了彈塑性應力變形計算和固結分析,包括大壩堆石體、防滲墻的應力及變形分佈和斜心墻的變形、水壓力增及消散和有效應力狀態計算等。
  18. 3 ) the sandbody distribution, physical properties, pore structure and heterogeneities are affected by the microfacies. at the center part of underwater distributive river course, the petrophysics and physical properties are both better than that at the edge of the microface. 4 ) the chang 61 2 - 3 substrata and the substrata of chang 62 " member which show the better porosity, permeability, and better pore structure ; display lower permeability variation coefficient, dart - coefficient and contrast - coefficient and good connecting sandbody so the horizontal heterogeneities is weaker ; whereas manifest stronger inner - heterogeneities due to the numerous intermediates ; present stronger inter - heterogeneities caused by the greater frequency of sandbody

    6儲層中6 _ 2 ~ ( 1 - 3 )和6 _ 2 ~ 1砂層中的各個小層的、滲透率值、含油性較好;平面非均質性較弱,表現為級差、突進系數、變異系數較低且砂體的連片程高,鉆遇率和連通系數較高;與此同時,層內非均質性較強,表現為垂向上夾層的數目較多,厚較大;層間非均質性也較強表現為分層系數較高。
  19. Nh4c depletion in the pore water concentration and low n / p ratios ( 3. 7 by weight ) within the macrophyte biomass at the end of the growing period suggest that available n limits plant growth

    水濃中nh4c的消耗和大型動植物生末期的低氮/磷比率(重量上佔百分之3 . 7 )表明,有效的氮元素限制了植物的生
  20. In view of geological and hydro - geological situations of the south anchor runyang yangtze river highway bridge, the paper bring forward mathematical model and calculation method of double deck structure groundwater, which can be used to lively calculate every layer ' s water table, so that we can realize every layer ' s settlement calculation and control ; establish the inter relationship between non - linear physical - mechanics parameter and hydro - geological parameter, objectively describe the non - linear change process of the porosity, hydraulic conductivity, specific storativity in the process of soil dewater and concretion

    針對潤揚江公路大橋南錨場地地質、水文地質條件提出了雙層結構地下水運動的數學模型和計算方法,該方法可以實時計算出各分層的地下水位,實現了各分層沉降計算與控制研究;建立了土層非線性物理力學參數與水文地質參數之間的內在聯系,客觀地描述土層降水? ?固結過程中、滲透系數和貯水率等參數非線性變化過程。
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