porous structure 中文意思是什麼

porous structure 解釋
多孔構造
  • porous : adj. 1. 多孔的;有氣孔的;〈比喻〉漏洞多的。2. 能滲透的。3. 素燒(瓷)的。adv. -ly ,-ness n.
  • structure : n. 1. 構造,結構;組織;石理,石紋。2. 建造物。3. 【化學】化學結構。4. 【心理學】(直接經驗中顯現的)結構性,整體性;整體結構。adj. -d ,-less adj.
  1. As an advanced materials preparation technology, spray - deposition has shown remarkable superiority in producing large - sized alloys and metal matrix composites. however, the spray deposeted preforms usually contain a certain quantity of porosity. besides, the oxide films on the surface of the particles lead to week metallurgic conjunction between the particles. in order to obtain an ideal structure and performance, the porous preforms need further densifying and plastical forming. in this paper, a new technology named wedge pressing was used to densify spray - deposeted 5a06 aluminium alloy, in which the large deformation can be obtained through the sum - up of local deformation and multi - step small deformation. this method can also solved the problems in traditional processing and greatly decreased the producing cost. what ’ s more, the reserch on the wedge pressing desification rules about the large - sized spray deposeted preforms was significant it was vital not only to the further densification of the prefoums but also to the further research on plastical deforming the research was also benefit to the industrialization an the application of the spray deposeted porous materials

    坩堝移動式噴射沉積技術作為一種先進的材料制備新技術,在制備大尺寸合金及金屬基復合材料方面具有顯著的優越性。然而噴射沉積坯件特別是大型坯件通常存在一定量的孔隙,顆粒表面存在一定量的氧化膜,顆粒之間未能完全達到良好的冶金結合狀態,因此需要進行后續緻密化和塑性變形才能獲得理想的組織和性能。本文採用一種新型的楔形壓制工藝,即通過局部變形、多道次小變形累積實現大變形的緻密化加工方法,對噴射沉積多孔坯料進行后續緻密化和塑性變形,很好地解決了傳統加工工藝的難題,大大降低了生產成本。
  2. Wra - fluey ring cleaner, green, the body is of micro - porous type, soft and elastic with special surface structure capable of absorbing flying floss, oil, moisture, and static form rubber roller, ring, dent roller, metal duff, so as to keep up elements clean and dry

    清潔輥絨圈,綠色,本體為微孔層、柔軟富有彈性、表面有峰谷,可吸附膠輥、膠圈,鋸齒羅拉,金屬道夫表面的微量飛花、油劑、水分、靜電質等,從而保持元器件的結晶乾燥。
  3. The structure and the optical functions of porous anodic films were studied by xrd, sem and spectro - photometrical means

    摘要採用x射線衍射、掃描電鏡( sem )和光譜分析等測試技術,研究了多孔氧化鋁介質膜的組成、結構以及光功能特性。
  4. Photomicrograph representing of varying pore size of 200 - 250 u m, revealing a highly porous structure with largely open and interconnected pore

    05 ) 。高空隙率支架在體外降解過程中表現出較好的穩定性。
  5. No probe leakage was found when the sensor dipped in ethanol and n - hexane for 15 days. this technique is limited for its prolix procession and request of special active function in the structure of molecular probe, sol - gel : the development of sol - gel technique provides a convenient way to incorporate molecular probe in porous inorganic material

    化學鍵合法:分子探針通過化學反應鍵合於固定相,在溶劑中不泄漏,提高了傳感器使用壽命,在乙醇和正己烷中浸泡15天,未見探針分子泄漏。但繁雜的過程和對探針分子結構的特殊要求限制這一方光纖化學傳感器、儀器系統的研製們比生物和環境監測中的應用(摘要) 2法的應用。
  6. Abstract : the character of electrode material is an important factor affecting and limiting the structure and property of batteries. thereby, the main types and their features, fundamental properties, and preparation methods of the porous substrate materials for battery electrodes was simply introduced, so as to supply the clues for improving the technologies of producing these materials, and to strengthen the necessity of studying their properties and the property relationships

    文摘:簡要介紹了電池用多孔金屬電極基體材料的主要類型及其特點、基本性能要求和制備方法,旨在提供改善該材料制備工藝的線索和強化其性能及性能關系研究的必要。
  7. There was no difference in other biologic characteristic of mscs between the two separation method, such as cell anchorage ratio and clone formation ratio. ( 2 ) plga film presented uniformity frame with no protuberance and fissure under scanning electron microscopy ( sem ). big aperture with smooth wall and average 400 m i n size running - through each other was observed in porous plga substrate, around the big aperture there were many round micropores about 5 m size. all of the structure were equal and uniform, which satisfied the further research work. ( 3 ) mscs adhesion at earlier time was promoted by biotiegenrafter 3h, cell number was ( 1. 5 0. 18 ) 105 in the plga film coated with biotiegen group, which was significantly higher than that in plga film group ( p < 0. 01 ) and higher than that in coverslip group ( p < 0. 05 ), which cell number was ( 1. 04 0. 21 ) 105. after 6h and 12h biotiegen could not promote cell adhesion, and cell proliferation and alkaline phosphatase ( alp ) activity were not promoted dramatically during 9 days. ( 4 ) cell adhesion was promoted by fibronectin or collagen type i

    G ) i型膠原、纖維粘連蛋白促進細胞增殖,細胞接種后3 、 6 、 gd三個檢測時間點,實驗組細胞均明顯高於對照組。與1型膠原相比,纖維粘連蛋白刺激作用更強。 ) i型膠原、纖維粘連蛋白尚能誘導mscs細胞向成骨細胞分化,不僅表達成骨細胞標志物ocn 、 alp 、 opnmrna ,而且堿性磷酸酶活性明顯增高,堿性磷酸酶及鈣結節7第四軍醫大學博士學位論文一染色均強陽性, i型膠原組mscs細胞堿性磷酸酶活性較fn組更高,有顯著性差異;同時,兔疫組化染色表明,經纖維粘連蛋白作用的mscs1型膠原表達陽性。
  8. The results show that the porous materials possess three - dimensionally ordered structure and the fitc labeled bsa materials exhibit good fluorescence emission ability

    表明所制備的孔材料具有規整的三維有序孔結構,熒光素標記的牛血清白蛋白三維有序大孔材料具有良好的熒光發射性質。
  9. The ability of being non - inflammable is shown through the fact that the mattress is not inflammable by a burning cigarette ; on fire exposure the mattress does not activate and expand the fire as other materials do ; the mattress rapidly absorbs liquid because it has an openly porous structure, allowing an easy stop of the fire by water

    Kymdan床墊的防燃燒性能體現在:點燃的香煙掉到床墊上不會著火:在與火勢接觸時不會造成雄雄大火,而且不象其他物料般迅速將火勢蔓延。由於有通氣孔透氣結構,因此kymdan床墊有迅速吸收的性能,可以容易以水撲滅火種。
  10. Recently, anodic aluminum oxide ( aao ) membranes with a regular porous structure have been prepared by electrochemical methods and have widely been used to produce various nanostructured materials within highly ordered channels in the aao membrane in which the diameters and lengths of the inserted nanowire can be well controlled. in this dissertation, after reviewing the latest development in research of the novel system of nano - array composite by using template method, reports my research work of fabricating metal / aao nano - array composite and their novel optical properties in the past few years. different metal / aao composites ranging in volume fraction of the metal showed unusual size - dependent optical properties, some important results obtained are as following : 1

    接著論文全面總結了作者近幾年以金屬aao納米有序陣列復合結構光學特性為選題的研究工作:進一步優化了制備金屬aao納米有序陣列復合結構的工藝參數,較系統地考察了分別由幾種不同金屬( co 、 ni 、 ag 、 cu )植入aao模板后,合成的納米有序陣列復合結構樣品的光反射、透射和吸收等一般光學特性,還專門研究了各系列結構樣品吸收邊的頻移、金屬納米粒子表面等離子激元共振吸收特性,以及特殊的半導體光學特性等。
  11. ( 3 ) the free - standing porous silicon films with continuous porous structure were prepared on single crystal silicon wafer by the method of anodic oxidation and electrochemical etching - electropolishing, and firstly used as the anode materials for lithium ion secondary batteries. the capacities of lithium ions storage and the process of charge and discharge of this nano - silicon anode materials as well as the influence of the structure of ps on behavior of storing lithium ions were inspected at length. on the other hand, through the process of charge and discharge in cells, the lithium of light metal element could be electrochemically doped into ps at different doping levels

    胡勁松河北師死大學碩士學位論文( 3 )利用陽極氧化法在單晶硅基底上制備了多孔硅自支撐膜,並首次將這種具有連續多孔結構的硅材料用作了理離子電池的陽極材料,考察了這種納米級硅陽極的儲鉀性能和充放電過程,分析了材料結構對其儲理行為的影響;另一方面,利用這種電池充放電過程在多孔硅中電化學引入了不同點綴程度的輕金屬鉀元素,考察了鉀點綴對多孔硅自身結構,及至性質所帶來的影響,提供了一種通過電化學方法插入埋離子從而連續調整多孔硅發光性質的有效方法。
  12. Precise control of the reaction conditions enables the preparation of monolithic layers with a well - defined porous structure that determines the chromatographic performance

    精確的反應條件控制使用制備的整體塗層具有決定色譜性能的良好孔隙結構。
  13. The polystyrene particles with 2. 8 micrometer mean diameter were prepared by dispersion polymerization and hollow porous micro - sphere were prepared by extraction after seeding emulsion polymerization. particles with multi - hollow structure were obtained and characterized by sem, additionally the mechanism and factor about formation of porous structure were also discussed. to prepare the biodegradable nano - particles, reversed - phase micro - emulsion and ionotropic gelation methods were used

    利用分散聚合法制得了粒徑約為3 m的聚苯乙烯種子微球,再通過溶脹、交聯、種子乳液聚合及萃取處理,最後得到中空多孔的聚合微球,並討論了其成孔機理和各博士論文功能型復合超微粒子的制備研究因素的影響。
  14. In this paper, micro - porous metals with 2 - 23 u m - pore diameter and 19. 3 - 62. 4 % porosity were produced by the powder metallurgy. through the experiments and sem analysis, the effect of processing parameters on porous structure was studied

    實驗應用粉末冶金的壓坯加熟發泡方法,制得了微孔泡沫金屬材料,其平均孔徑在2 - 23um之間,平均孔隙率在19 . 3 - 62 . 4之間。
  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性能,如良好的絕熱性,密度低且具有多孔結構,透明性好,反射指數低,機械彈性好,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. The porous structure is proved by observation with scan electron microscope. the aperture is 0. 13 - 2. 0 u m which can block off the solid particulate and suspension impurity

    溶膠凝膠法:其「微孔穴」結構,葉阻擋固體顆粒及懸浮雜質的于擾。
  17. The thin - film and flooded - agglomerate ( tffa ) model assumes that the oxygen diffusion electrode made of a gas - diffusion layer and a reaction layer possesses a double - scales of porous structure in the reaction layer

    薄膜浸漬聚集體( tffa )模型假定由氣體擴散層和反應層構成的氧氣擴散電極在反應層中是一種二次構造形式的多孔結構。
  18. Orgasol ? particles are virtually spherical, possessing a porous structure and a narrow particle size distribution. their structure and shape differs from those of ground powders

    顆粒是真正球形的,具有多孔狀的結構和狹窄的粒徑分佈。它們的結構和外形不同於那些通過研磨方法得到的粉末。
  19. Activated carbon ( ac ) is a kind of desulfurizer used widely, and there is a high correlation between its desulfurization capabilities and its porous structure as well as surface chemical properties

    摘要活性炭是一種應用廣泛的脫硫劑,其脫硫性能取決於它的孔隙結構和表面化學性質。
  20. In order to improve its adsorption efficiency and catalytic ability for so2, it is necessary to adjust ac ' s porous structure and change its surface chemical properties

    為了提高其對so2的吸附效率及催化性能,往往需要對活性炭的孔隙結構進行調整或改變其表面化學性質。
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