纖維孔數 的英文怎麼說

中文拼音 [xiānwéikǒngshǔ]
纖維孔數 英文
holes on synthetic fibres
  • 纖 : 纖形容詞（細小） fine; minute
  • 維 : Ⅰ動詞1 （連接） tie up; hold together; link 2 （保持; 保全） maintain; safeguard; preserve; keep ...
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 纖維 : fibre; staple; filamentary
  • 孔數 : hole number
  1. There are many adaptive changes in the two research subjects ( artemisia. songarica schrenk. and seriphidium. santolinum ( schrenk ) polijak. ) in morphology and anatomy, such as with the increase of the daily age, the root - shoots ratio increased ; the root became stronger ; the ratio of leaf volume and leaf area increased ; the volume of epidermic cell decreased ; the cut - icle and phellem layer on the surface of root thickened. stoma caved in leaf ; epidermal hair of leaf and stem well - developed, palisde tissue developed well, the cell gap decreased ; the spongy tissue disappeared ; leaf is kinds of isolateralthat is the typical xeromorphic structure ; crystal cell and fibric cell increased ; conducting tissue and mechanical tissue developed well ; bundle sheath appeared

    實驗研究的兩種菊科（ compositae ）植物（準噶爾沙蒿（ artemisiasongaricaschrenk ）和沙漠絹蒿（ seriphidiumsantolinum （ schrenk ） poljak . ） ） ，形態解剖方面的變化表現為：隨日齡增加，根長/株高比值日益增大；根系逐漸發達；體積與葉面積比逐漸增大；表皮細胞體積變小；角質層增厚；根外部出現加厚的木栓層；氣孔下陷；葉、莖部的表皮毛密布，柵欄組織日益發達；而細胞間隙日漸變小；海綿組織逐漸消失；葉面結構常為典型旱生結構? ?等葉面；晶細胞及纖維細胞數目增多；輸導組織、機械組織日漸發達；具有維管束鞘等等。
  2. The grade composite, road performance and its mechanism are systemically studied. 1 ) the aggregate grade of ogfc is studied through the volume method base on the analysis of the aggregate grades. then the grade is verified and the relation between the grade and pore rate is studied statistically, the typical grades of ogfc are developed ; 2 ) the reasonable pore rate of ogfc is studied on the basis of the balance of mechanics and function performance ; 3 ) the mineral fiber is added to the ogfc mixes to increase asphalt content, thus the anti - water performance of ogfc mixes are improved ; 4 ) high viscous asphalt fit for the preparation of ogfc is prepared through composite modification by sbs and rubber powder ; 5 ) the mechanics mechanism of ogfc is studied in the paper, it shows : asphalt paste, as well as the coarse aggregate skeleton, is essential to the mechanics of ogfc

    在分析各國ogfc級配的基礎上，運用礦料體積法進行ogfc級配設計，用正交實驗對礦料級配進行了優化設計，運用數理統計方法分析礦料級配和孔隙率之間的關系，並回歸出礦料關鍵篩孔通過率與ogfc骨架空隙結構關系的數學方程，進而提出了ogfc的合理級配；通過對不同孔隙率典型級配混合料的性能研究，綜合力學和功能性能，得出了ogfc的合理孔隙率范圍：針對高速公路面層對ogfc力學性能方面的要求，本文從瀝青膠結材料、纖維穩定劑兩方面對ogfc的性能進行改善：通過sbs和橡膠粉復合改性的方法開發出了適合ogfc的高粘度改性瀝青，摻加聚合物纖維，提高ogfc的最佳瀝青用量，進而改善了混合料的高溫性能和抗水損害性能，優化設計出能滿足高速公路路用性能，車轍動穩定度達5000次/ mm以上，動融劈裂強度比90 ，透水系數31ml / s ，並具有防滑降噪功能的開級配瀝青磨耗層（ ogfc ）混合料。
  3. 3d - c / sic fabricated with t300 carbon fibers weaved into 3 - dimensional and 4 - directional structure, was deposited pyrocarbon and sic matrix at 950 - 1000 with cvi method. fiber volume fraction of 3d - c / sic was 40 - 45 %, composite density was 2. 01g / cm3 and porosity was 17 %. in addition, the thickness of pyrocarbon interface was 200 nm for interaction fatigue - creep ; the interface layer of pyrocarbon for thermal shock had three thickness obtained by controlling deposition time which were 10h, 20h, 30h, respectively

    3d - c sic是用t300碳纖維編織成三維四向編織體， cvi法在950 - 1000緻密，纖維體積分數為40 - 45 ，密度為2 . 01g cm ~ 3和孔隙率為17 ，用於疲勞蠕變交互作用試驗熱解碳界面層厚度約0 . 2 m ；用於熱震試驗的有三種界面層厚度分別是熱解碳沉積時間10小時、 20小時、 30小時獲得。
  4. This charged fiber can be directed or accelerated by electrical forces and then collected in mats or other useful geometrical forms. the diameters of electrospun fibers are in the range of tens of nanometers to several micrometers. in this paper, polyacrylonitrile ( pan ) nanofibers are made by electrospinning pan / dimethylformamide ( dmf ) and pan / dimethylacetamide ( dmac ) with adjusting the main process parameters including electrostatic voltage ( 20 ~ 50kv ), sprinkler aperture ( 0. 5 ~ 0. 8mm ), collection distance ( 15 ~ 25cm ), solution concentration ( 6 wt % - 14 wt % )

    本文主要對聚丙烯腈（ pan ）二甲基甲酰胺（ dmf ） 、 pan二甲基已酰胺（ dmac ）體系進行電紡絲，調節靜電壓（ 20 50kv ） 、噴頭孔徑（ 0 . 5 0 . 8mm ） 、接收距離（ 15 25cm ） 、溶液濃度（ 6wt 14wt ）等過程參數，制得pan納米纖維，纖維平均直徑在200 1000nm ；詳細分析了過程參數對纖維細度、形態等的影響，認為高聚物溶液濃度及靜電壓對纖維細度有決定性影響，其它過程參數如接收距離、噴射孔徑、紡絲溶液溫度、溶液電導率等的調整應以這兩參數為基礎進行。
  5. The main studies of this thesis have been focused on the mass transport phenomenon in the hollow fiber membrane contactor, including the development of the model of the gas diffusion through the microporous membrane, the analytical solution of the shell side mass transfer differential equation in an orderly packed parallel flow module, the calculation of the shell side flow distribution in a randomly packed module, the estimation of the influence of the random arrangement of the fibers on the shell side mass transfer, and the experiments of the absorption of co2 into water

    膜接觸器是一種通過膜作為兩相之間的分離界面而實現相間傳質的雜化膜過程。本論文主要研究中空纖維膜接觸器的傳質行為，研究內容包括氣體通過微孔膜擴散模型的建立、中空纖維膜均勻分佈的平行流組件殼程傳質微分方程的解析求解、中空纖維膜不均勻分佈組件中流體分佈的數學計算、中空纖維膜不均勻分佈對殼程傳質影響的估算以及co _ 2氣體吸收實驗。
  6. After 15h of maturation. 98 % of oocytes released the first polar body and thus the first meiosis of mouse oocytes ended. secondly, strong chromosome to chromosome binding was induced by culturing pro - mi oocytes in demecolcine supplemented medium

    第一次減數分裂期小鼠卵母細胞經化學去核后，去除透明帶，並胎兒成纖維細胞粘合、電融合併srcl2激活，培養于微孔中。
  7. 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透率測量的理論模型，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）對滲透特性的影響規律，發現多孔介質增強材料的滲透率主要取決于纖維織物的結構形式，預成型體孔隙分佈及其體積分數、壓實性對滲透率有較大的影響，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透率。
  8. This is to say, pu composite hollow fiber membranes pore size can become large with transmembrane pressure increasing, and can recover completely with transmembrane pressure reverting to original pressure at a specification condition. from the hagen - poiseuille equal ion, pu composite hollow fiber membrane pore radius magnification was calculated. in our experiment, the variation of membrane pore radius attained to much six times larger than the primitive membrane pore radius

    根據一般非變形膜的純水通量一壓力差的直線關系，首次提出了孔徑變化分離膜的純水通量一壓力差的曲線關系，並根據hagenf公式，理論上計算出了幾種pu復合中空纖維膜最大變形時的膜孔徑為原始膜孔徑的倍數，最小膜孔徑變化也達到原始孔徑的一倍多，最大膜孔徑變化達到原始孔徑的六倍多。
  9. Experimental results indicated that the polypropylene fiber can improve the workability of concrete availably, and can increase the presentation quality of structures with the voids and pits decreased ; the cracks of beam are controlled effectively, the width and length of crack decreased, the dispersibility of crack in beam face improved, and the ductility of beam increased ; and the cracking load of reinforced concrete beam is increased, the amplify up to about 30 %, simultaneity the ultimate bear capacity increased

    試驗研究表明，使用聚丙烯纖維后，能有效改善新拌混凝土的和易性，並能增強混凝土構件的外觀質量，減少構件表面蜂窩、麻面、氣孔、細小裂紋等；同時，在破壞試驗過程中發現梁的裂縫能得到有效控制，裂縫寬度減小，裂縫的發展高度降低，裂縫的條數增加，提高了梁截面的裂縫分散能力，增強了梁中混凝土的韌性；提高了鋼筋混凝土梁的開裂荷載，幅度可達30左右，增強了結構的延性，提高了結構的抗裂性能和屈服荷載。
  10. Based on signal from carbon fiber composite defects such as lamination, hole, looseners in ultrasonic testing, this paper performs wavelet packet transform on the ultrasonic signals to extract statistics of approximation coefficients and detail coefficients that contain a great part of signal energy as sample - features

    摘要本文以碳纖維復合材料常見缺陷分層、孔隙、疏鬆的超聲波檢測缺陷信號為研究對象，對超聲波檢測信號進行小波包變換，提取包含信號絕大部分能量的近似系數波形特徵及細節系數的統計量作為樣本的特徵值。
  11. Optical fibres - measurement methods and test procedures - numerical aperture

    光學纖維.測量方法和試驗規程.數字孔徑
  12. Optical fibres - part 1 - 43 : measurement methods and test procedures ; numerical aperture

    光學纖維.第1 - 43部分:測量方法和試驗規程.數值孔徑
  13. Optical fibres - part 1 - 43 : measurement methods and test procedures - numerical aperture

    光學纖維.第1 - 43部分:測量方法和試驗程序.數字孔徑
  14. 5 have a better recovery. the flux - transmembrane pressure curves of several kinds of pu composite hollow fiber membranes differed completely from non - deformation membranes, deviated from the linear relation obviously. this strongly indicated that, due to pu characteristics, such as good elasticity and strong recovery, pu - sio2 composite hollow fiber membranes have a comparatively good pressure - responsivity

    通過調整紡絲液濃度、 sio _ 2含量、中空芯液流量、紡絲溫度、凝固浴溫度等參數，紡制出5種較為理想的壓力響應性pu復合中空纖維膜，其中，含有20和25 sio _ 2的pu復合中空纖維膜孔徑增加和孔徑回復最為理想。
  15. The engineering constants around the stitch hole in the composite laminate are analyzed using the fdm. it is found that the elastic constants have distinct region character and the traces of the resin - rich pocket in different lamina are clear

    採用纖維彎曲模型分析了縫紉復合材料單層在縫紉孔附近的最大纖維偏轉角、縫紉影響區以及縫紉復合材料單層及層合板工程常數的變化，發現工程常數具有很明顯的區域性，能夠看出各層中樹脂富集區的痕跡。
  16. On the basis of the preferential sorption - capillary flow mechanism proposed by sourirajan, the membrane interfacial equilibrium condition in reverse osmosis can be simulated by the hplc experiment. the hplc data on retention times can be used for quantitatively characterizing the dynamic nature on solid polymer membrane surface and physicochemical properties of polymer - solution interface. the experimental technique in this paper can offer definite guidelines for the choice of appropriate membrane material and the better understanding of reverse osmosis separation mechanism

    本論文根據索里拉金（ sourirajan ）提出的「優先吸附?毛細孔流」機理作為選擇膜材料的理論依據，用高效液相色譜為手段，模擬反滲透實驗平衡條件，確定乙基纖維素固膜材料界面的動力學參數以及求得表徵高分子材料在溶液界面上的特性參數，為預測膜材料的化學性質和探討反滲透分離機理提供了有效手段。
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