孔隙率 的英文怎麼說

中文拼音 [kǒngxìlǜ]
孔隙率 英文
absolute porosity
  • 隙 : 名詞1 （縫隙; 裂縫） crack; chink; crevice 2 （空閑） gap; interval 3 （漏洞; 機會） loophole; op...
  • 率 : 率名詞（比值） rate; ratio; proportion
  1. Other factors that affect porosity are compaction, consolidation and cementation.

    影響孔隙率的其它因素是壓縮，固結和膠結
  2. This work provides an effective way to prepare high porosity ( 80 % ~ 93 % ) and big pore size ( 50 ~ 300 m ) cp / plla composite scaffold. pf127 as progen increased the pore size and enhanced the hydrophile ability of plla

    本工作通過相分離法制備了高孔隙率（ 80吩93 % ） ，孔徑在50一300娜鈣磷酸鹽和聚乳酸復合的多孔材料。
  3. It is the porosity due to interconnected pores that can be filled with and emptied of water.

    這種孔隙率是水可流出和流入的連通空隙。
  4. Intermediate arrays have porosities falling between these limits.

    中間的排列方式，孔隙率介於這兩個值之間。
  5. Si particles porous preforms were prepared by cold isostatic pressing process ( cip ). its average porosity is about 31. 3 %. 3

    採用冷等靜壓方法制備出si顆粒多孔預制體，平均孔隙率為31 . 3 。
  6. The microstructure and porosity of the deposited metal can be systematically manipulated by the use of osmotic pressure

    利用滲透壓的新技術可控制膜的微觀結構和孔隙率。
  7. The most perspicuous physical characteristic of the porosity of a soil or rock matrix is its continuity.

    巖土格架的孔隙率的最清晰的物理特性是它的連續性。
  8. Seismic velocity can occasionally be affected by porosity and temperature.

    孔隙率和溫度有時也能影響地震波速。
  9. 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

    第一章回顧了孔結構在當今國內外的研究現狀，包括混凝土測孔方法的研究、孔結構模型的研究及孔結構與強度關系的研究現狀，介紹了孔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度性及混凝土材料測孔技術的原理，並討論了水泥基多孔材料孔隙分析中常用的表徵參數，也說明了壓汞法測孔對研究結果的影響因素，指出了壓汞法在孔結構研究中的局限性；第三章是著重分析了孔隙率與強度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，提出了混凝土孔結構復合體模型和孔系統的物理模型，並模擬了該模型下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，可根據輸入的孔徑分佈與水泥含量等參數，實現混凝土理論強度的計算；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度特徵的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度計算產生的影響，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孔結構的一些研究結論並對孔結構發展作了相應的展望。
  10. Metallic coatings - porosity tests - porosity in gold or palladium coatings by sulfurous acid sulfur dioxide vapour iso 15721 : 2001 ; german version en iso 15721 : 2001

    金屬塗層.孔隙率試驗.用亞硫酸和二氧化硫蒸氣測定金
  11. Hardmetals. metallographic determination of porosity and uncombined carbon

    硬質合金.孔隙率和游離碳的金相測定
  12. Hardmetals ; metallographic determination of porosity and uncombined carbon ; identical with iso 4505 : 1978

    硬質合金.孔隙率和游離碳的金相測定
  13. Effects of the content of fiber, vesicant, pore ratio and pore diameter were investigated, the results indicates the variables have great effects on the sound absorbing performance of the samples

    實驗發現，孔隙率、平均孔徑大小、玻璃纖維含量、發氣劑含量對材料吸聲性能有顯著影響。
  14. The results indicate : ( 1 ) the photocatalytic activity and hydrophilicity of tio2 film are affected by the factors of thickness, porosity and heat - treated temperature which lead to the changes of the hydroxyl content, adsorbability and surface roughness of the film

    熱處理溫度、薄膜厚度、孔隙率等因素對摻銀的tio :薄膜、 tioz一snoz 、 tioz一fezo3復合薄膜光催化和親水性能的影響與對純tio :薄膜的影響相似。
  15. Abstract : basic stuff of sinter flyash ceramisite is flyash and clay as agglomerant. the si nter flyash ceramisite is of dense in structure, low porosity which can improve t he mechanical properties of the material. it has properties such as high strong a nd low absorption of water and better stability. it is a new type ofbuliding mate rial

    文摘:燒結型粉煤灰陶粒的主要原料是粉煤灰和作為粘結劑的粘土，文中所述燒結粉煤灰陶粒結構緻密，孔隙率低，能較好地改善了材料的力學性能，具有高強、吸水率低、穩定性好等特點，是一種新型建築材料
  16. Determination of density and open and closed porosity of uranium dioxide pellets ; boiling water and immersion method

    二氧化鈾小丸的開口孔隙率和隱孔隙率所佔比例及密度
  17. The result shows that the compressive strength of concrete under natural variational low temperatural curing is higher than the compressive strength of concrete under permanent low temperatural curing and the pore porosity under natural variational low temperatural curing is less than the compressive strength of concrete under permanent low temperatural curing ; the compactibility of concrete is good with fa ( < 15 % ) and sf ( < 8 % )

    結果當摻合料摻量相同時，自然變低溫（ - 15 ~ 5 ）養護條件下混凝土抗壓強度高於恆低溫（ - 10 ）養護條件下混凝土抗壓強度，孔隙率要低於恆低溫（ - 10 ）養護條件下混凝土的孔隙率;當單摻粉煤灰時摻量低於15 % 、單摻硅灰時摻量低於8 % ，低溫混凝土的密實性較好。
  18. The results show that, comparing with the gas pressure drops calculated by the modified ergun equation, in the cases of the gas reynolds number is small, due to the presence of the dead space, the observed p in the experiments are bigger than that obtained by calculation, and when the gas reynolds number is large, because of the small interfacial viscous drag - force between gas and liquid, the p observed are smaller than that obtained by calculation

    結果表明在氣相雷諾數較小時，由於停滯孔隙率的存在，實測壓降值比修正厄根方程計算的值大；氣相雷諾數較大時，氣液界面上產生的粘性曳力較小，實測壓降值比修正厄根方程計算的值小。
  19. Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of direct methanol fuel cell ( dmfc ) have been expressed with the tffa model. model calculation has been carried out to investigate the effects of structural parameters of the dmfc cathode on the electrode performance, which is respectively represented by the curve of cathode overpotential versus current density. much attention has been paid to parameters including the porosity of the reaction layer, the thickness of the thin - film on the flooded - agglomerate, the radius of the flooded - agglomerate, the volume fraction of the flooded - agglomerates in the reaction layer

    本文首先運用tffa模型描述直接甲醇燃料電池（ dmfc ）陰極氧氣的傳遞和電化學反應過程，研究了過電位-電流密度曲線受陰極結構參數變化的影響程度，其中著重考慮了以下幾個參數：催化層的孔隙率，浸漬聚集體薄膜的厚度，浸漬聚集體的半徑，浸漬聚集體在催化層中的體積分數。
  20. The electrographic test method of plating porosity for printed boards

    印製板鍍層孔隙率電圖象測試方法
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