膜厚度不均 的英文怎麼說
中文拼音 [móhòudùbùjūn]
膜厚度不均
英文
non-uniform film thickness-
Especially on high - class sofa leather, the coating of the finishing process shall not be too thick, and it must cover up the natural defects shown at the surface and to evenly distribute the surface color, regulate the touch and glow of the leather surface, above all, it must have the best cohesion, bend - resist characters, also, it must have resistance for abrasive light, aging and color - migration, etc.
尤其高級沙發皮,塗飾的薄膜不可太厚,且要遮蓋皮面一些天然的瑕疵和均勻表面的色澤,調整皮面的手感和光澤,更須要有很好的接著力、耐曲折性,又要有極佳耐刮摩性和耐光度,且能耐老化性、不吐色等之物性。We research on the thermal buckling characteristics of double layer membrane which is composed of different materials with different thermal expansion coefficiens under uniform temperature elevation. the energy method is proposed which is used to solve the problem and the symbolic relation between central buckling height and substrate height under small buckling height is also given. it is the primary theory of membrane resonant sensor, which makes the research and development of novel thermal sensor possible
本文對微機械中熱脹系數不同的材料構成的雙層復合薄板在均勻溫升下的撓曲特性進行了研究,提出了在均勻溫升下雙層薄板熱撓曲求解的能量法,並給出了小撓度下中心撓度與板厚的解析關系,為薄膜諧振式傳感器溫度特性的研究和新型溫度傳感器的設計與開發打下了基礎In postnatal 12 and ismonths testes, the number of postive cells persistently increased. in 24 months testes, some spermatocytes also displayed strong enos immunoreactivity. from 3 weeks to 3 months, the permeability of microvascular was on the trend of increase while it was on the trend of decrease from 12 months to 24 months. s. biood - testis barrier : the basal lamina of endothelium cells developed from thin, broken and unequal electronic density to thick, full and high electronic density with aging
(巧1 ; 1 {性農i返_微1111扮通透性從3周齡至3月齡』 l 』增人趨勢, 12月齡到24月齡纖微l陽粉通透性: ,減小趨侖5 .血梁屏障:隨著增齡,毛細血憐內皮細胞的基膜由薄、斷續、電子密度不均逐漸發展為基脫垮、完招、 .毯子密度較高而均勻,厚度逐漸增加。It was found that an uniform and compact tio2 nanoparticulate film can be deposited on pet substrates in a short time, and it ' s thickness increases with the treating time. when the thickness comes to a critical value, there grows a greater size cluster on the nano - sized film. this is an interesting film growing pattern, which has never been reported
與以往報道的生長模式不同,發現在很短的時間內即可在基底上濺射生成緻密均勻的納米膜層,其膜厚隨著時間的延長而增加,且當達到一定厚度時,又在原有納米膜層上生長出更大尺寸的團蔟結構。In addition, there will be some asymmetrical condition for shelling ; if the shell speed is different, there will be crusting phenomenon and then damage precision of shell thickness
另外一些覆膜砂還可能出現結殼厚度不均勻的現象,如果結殼速度不同,將出現覆膜砂加熱過程中的「起皮」現象從而破壞了結殼厚度的準確性。Aim : to analyze the mechanism, thermadynamic theoretical basis, dynamic mechanism and influencing factors of thermally induced phase separation ( tips ) in order to completely grasp the factors affecting the size, distribution and form of pores, so that the adjusted range of pore can be widened and the preparation of porous membrane can be repeated and controlled. methods : considering from the structural characteristics of tissue engineered materials, the methods of preparing porous membrane using tips technique, the hermadynamic theoretical basis, dynamic mechanism and influencing factors were analyzed, the problems and investigative directions in the future were also analyzed. tips technique is a process of phase separation of polymer homogenous solution under quenching, and it is suitable for diameter and structural form of the micropore materials prepared using tips are closely correlated with the kind and dispensing proportion of polymer attrnuant, polymer concentration and polymer molecular mass, etc. conducted, including determination of polymer - solvent system phase diagram, study of form and appearance of porous membrane of different thickness, study of form and appearance of porous membrane prepared with systems of different x, which is the parameter of polymer - solvent interaction
目的:分析熱致相分離成膜過程的機理、熱力學理論基礎、動力學機制以及影響因素,以便充分掌握影響孔度大小、分佈、形態的因素,使孔度調控范圍得以拓寬,使多孔膜的制備能重復可控.方法:從組織工程材料結構特點出發,分析熱致相分離聚合物多孔膜的制備方法及該法成膜的熱力學理論基礎、動力學機制以及影響因素.並分析實驗中存在的問題及今後的研究方向.結果:以熱致相分離法可制備聚合物多孔膜.熱致相分離法制備多孔膜是高聚物均相溶液在淬冷條件下發生相分離的過程,它適用於上臨界共溶溫度型聚合物一稀釋劑二元體系.熱致相分離法成膜的過程,可以認為是旋節線機理佔主導地位.熱致相分離法制備的微孔材料,其孔隙率、孔徑大小、結構形態與聚合物稀釋劑的種類、組成配比、聚合物濃度、聚合物分子量等因素密切相關.結論:可採用熱致相分離技術制備多孔膜,通過改變不同的成膜條件可獲得一系列不同孔徑尺寸和孔徑分佈的多孔膜材料.對熱致相分離成膜過程中聚合物-溶劑體系的相圖測定,不同厚度的多孔膜形貌研究,不同x (聚合物-溶劑相互作用參數)體系所制備的多孔膜形貌等需深人研究The films prepared under 425 ? is composed with amorphous snoi and its sheet resistance is very high. with the substrate temperature ' s increasing, the degree of crystallization, film thickness increase and electrical resistivity, sheet resistance decrease obviously. when the substrate temperature is higher than 525 ?, the temperature ' s increasing is not of benefit to the films thickness and sheet resistance
常壓熱分解cvd法制備的sno _ 2在較低基板溫度下制備出的薄膜基本上是非晶態的,方塊電阻很高;隨著基板溫度的升高,薄膜厚度增加,薄膜結晶程度提高,薄膜電阻率和方塊電阻均顯著降低;當基板溫度高於525以後,隨著基板溫度的升高,薄膜厚度基本不再明顯增加,薄膜結晶程度繼續提高,薄膜電阻率繼續降低,方塊電阻不再明顯降低。The vortex moment of gas spherical bearing is caused by the uneven gas film between the sphere and the sphere socket. there are two reasons to produce the uneven film. the first one is the manufacture error
靜壓氣浮球軸承的渦流力矩主要是由於空氣軸承的球體和球窩之間的氣膜厚度不均所引起的,引起氣膜厚度不均的主要因素有兩個:一是由於球和球窩的加工誤差,二是由於氣浮臺臺體變形引起的誤差。When multilayers are applied in imaging system, lacks of uniformity of period thickness in large field will demage the super - polished figure of optics, and decrease the quality of image
多層膜系用於成像光學系統時,周期厚度分佈的不均勻性將會破壞光學元件原始加工面形精度,導致成像質量的下降。( 3 ) with the condition of table 4. 3, with increasing of temperature the average reflectance value decreases and the minimum reflectance point moves towards red direction. furthermore, temperature has little effect on the extinction coefficient ( k ). however, the refractive index value decreases remarkably when the temperature reaches about 240, but it does not change much when the temperature is below 180 and the thickness of the films increase when increasing the temperature
( 3 )隨著溫度的增加薄膜的平均反射率降低並且反射低谷向長波方向移動;溫度對消光系數k影響不大;當溫度低於180薄膜的折射率變化不大,當溫度達到240左右時薄膜的折射率明顯降低;薄膜的厚度隨溫度的增加而增加;隨著溫度的增加tio2的晶體結構由混晶變為單一的銳鈦礦相,薄膜的表面的顆粒由多變少,表面形貌由粗糙多孔變得細膩平滑。分享友人