孔隙度下限 的英文怎麼說

中文拼音 [kǒngxiàxiàn]
孔隙度下限 英文
porosity cutoff
  • : 名詞1 (縫隙; 裂縫) crack; chink; crevice 2 (空閑) gap; interval 3 (漏洞; 機會) loophole; op...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 下動詞1. (用在動詞后,表示由高處到低處) 2. (用在動詞后, 表示有空間, 能容納) 3. (用在動詞后, 表示動作的完成或結果)
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • 孔隙度 : amount of porosity
  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

    通過有元計算,分析了復合地基樁土工作性狀,分析了樁的剛,長,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,節省工程投資,加快建設進
  2. The important meaning in which this direction studied has lain in establishing the connection between the material science of concrete and civil engineering, analyse the strength in terms of material microcosmic or the mesoscopic, have important meaning to understanding, know the essential law of the strength of concrete. this text divides six chapters altogether. chapter one reviewed the pore structure in nowadays domestic and international research current situation, including the concrete examines research, research of the pore structure model and the research current situations of pore structure and strength relation of the pore method, have introduced some most important achievements of structure research of pore ; chapter two narrated much yardstick of the material mesoscopic structure of concrete and principle of examining pore technology of material of concrete, and the commonly used sign parameter in discussedding the pore and material pore of quito of cement and analyse, have explained that the influence factor of mip to the result of study of pore, has pointed out the limitation in mip in the pore structure ; analyse porosity and strength relation development course of model emphatically, and has carried on comparative analysis to the existing model, has pointed out the weak point of the original model ; on the basis of " ing integrate synthetically ", propose concrete pore structure compound body model and pore physical model of systemlex body ; chapter five carried on the corresponding test data to compares to the model parameter appearing in model of chapter four with and analyses, have received k value of the characteristic of strength of matrices of reflecting according to the method to return to analysis, and calculate the influence produced on the strength of concrete in revision that can probed into the content of cement, elastic mould and surface energy, exactness of the inspection model ; chapter six is the conclusion, according to studying the survey this text to some research conclusions of the pore structure and making corresponding prospect to the structure development of pore

    第一章回顧了結構在當今國內外的研究現狀,包括混凝土測方法的研究、結構模型的研究及結構與強關系的研究現狀,介紹了結構研究方面的一些最重要的成果;第二章敘述了混凝土材料細觀結構的多尺性及混凝土材料測技術的原理,並討論了水泥基多材料分析中常用的表徵參數,也說明了壓汞法測對研究結果的影響因素,指出了壓汞法在結構研究中的局性;第三章是著重分析了率與強關系模型的發展歷程,並對已有的模型進行了比較分析,指出了原有模型的不足之處;第四章在「綜合集成」的基礎上,提出了混凝土結構復合體模型和系統的物理模型,並模擬了該模型由各單體並聯形成的復合體的斷裂過程,最後根據所建模型編制了相應的計算程序,可根據輸入的徑分佈與水泥含量等參數,實現混凝土理論強的計算;第五章對第四章模型中出現的模型參數進行了相應的試驗數據對比分析,根據回歸分析的方法得到了反映基體強特徵的k值,並從理論上探討了水泥含量、彈性模量和表面能的修正對混凝土強計算產生的影響,檢驗模型的正確性;第六章是結論與展望,根據研究綜述了本文對結構的一些研究結論並對結構發展作了相應的展望。
  3. Observation of drilling cores and casting - sections and the characters of pore structures and permeability of the matrix of the lower - ordovician carbonate in comparing with the lower limit of a reservoir for matrix reveal that the porosity, permeability, maximum pore diameter, saturation and median throat diameter in the matrix with undeveloped fissures, holes and solution pores are far lower than those of a reservoir limit although some micro - pores are developed in the matrix which therefore has no capacity of storing and producing oil - gas

    摘要通過鉆井巖心和鑄體薄片觀察,根據奧陶統灰巖基質的滲特徵和結構特徵,並與基質作為儲層的對照裂、洞穴和溶蝕洞不發育的灰巖基質,發現盡管有微的發育,但其、滲透率、最大喉半徑、飽和、中值喉道半徑等參數值遠低於儲層值,基本不具備儲集和生產油氣的意義。
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