film gradient 中文意思是什麼

film gradient 解釋
膠片梯度
  • film : n 1 薄層，薄膜；薄霧，輕煙；細絲狀的東西。2 【攝影】感光乳劑，照相軟片，電影膠片；影片。3 〈 pl ...
  • gradient : adj. 1. 傾斜的。2. 【動物；動物學】步行的，能步行的。n. 1. 〈英國〉（道路的）傾斜度，坡度，坡路。2. 【物理學】梯度，陡度，（溫度、氣壓等的）變化率，梯度變化曲線。
  1. There is no pressure gradient through the thickness of the film.

    貫穿流體膜厚度無壓力梯度。
  2. In this paper, pan based metal gradient composites films ( pmgcf ) were prepared by electrochemical reduction. the effect of polymer matrix on pmgcf and preparation and its forming mechanism of pmgcf were invested, they are as follows : lacrylonitrile - methyl - methacrylate copolymer, acryonitrile - itaconic acid copolymer, acrylonitrile - methyl methacry late - sodium allyl sulfonate terpolymer have been synthesized seperately in order to analyze the effects of the mma monomer unites and the hydrophilic unites of acryonitrile terpolymer on the process of copper deposition in polyacrylonitrile - based metal gradient composite film ( pmgcf ) as well as the flexibility of the film

    其內容如下： 1通過合成的丙烯腈?甲基丙烯酸甲酯二元共聚物（ p （ an - mma ） ） ，丙烯腈?亞甲基丁二酸二元共聚物（ p （ an - ita ） ） ，丙烯腈-甲基丙烯酸甲酯?丙烯磺酸鈉三元共聚物（ p （ an - mma - as ） ）分別作為基體制備了聚合物基金屬梯度復合膜材料（ pmgcf ） ，以分析加入的mma基團和親水性基團對pmgcf沉積層中金屬銅的梯度分佈形態和膜的柔韌性的影響。
  3. The course covers non - sequential ray tracing, sources, detectors, objects, ray splitting, scattering, ghost analysis, stray light analysis, prisms, fresnel lenses, multi - element lenses, gradient index, polarization and thin film modeling

    本課程涵蓋了非連續光線的追跡、光源、探測器、物體、分光、散射、鬼像分析、雜散光分析、棱鏡、菲涅耳透鏡、多元件透鏡、梯度折射率、偏振和薄膜的建立。
  4. Diamond - like carbon gradient film on ti6a14v alloy substrate have been prepared by means of plasma source ion implanted - ion beam enhanced deposition ( psii - ibed ). for potential applications as artificial joint materials and artificial cardiac valve materials, its trobological performance and hemocompatibility has also been evaluated in the present ph. d. thesis

    本研究採用等離子源離子注入?離子束增強沉積技術（ psii - ibed ）制備了鈦合金基類金剛石梯度薄膜材料，對類金剛石梯度薄膜這一新型人工關節材料和人工心臟瓣膜材料的生物摩擦學性能和血液相容性進行了研究和評價，研究了摩擦磨損對材料血液相容性的影響。
  5. By means of c - language, the paper has developed a large - scale computer program, in which the combination of both the newton iteration and the gradient method is introduced to solve reynolds equation and film thickness equation, and the march method is used to solve the energy equation and heat interface equations, the satisfactory results are obtained

    本文採用c語言編制了大型計算機程序進行數值計算，數值計算中採用梯度-牛頓聯合法求解reynolds方程和油膜厚度方程，採用步進法求解能量方程和熱界面方程，獲得了滿意的數值結果。
  6. Photography - direct - exposure medical and dental radiographic film process combinations - determination of iso speed and average gradient

    攝影.醫療和牙科用直接曝光射線攝影膠片照相版圖片的iso感光速度和平均梯度的測定
  7. Then properties of the polysilane - polyacrylate gradient films were characterized. the mechanism of film forming process of polysilane - polyacrylate fgm was probed into as well

    並對所制得的有機硅聚合物-聚甲基丙烯酸酯梯度膜的性能進行了表徵，對其成膜機理進行了探討。
  8. To prepare the functionally gradient materials ( fgm ) of polysilane - polyacrylate, the method of solution preparation was performed. based on the results of the back - scattered electron images and linear scanning of the polysilane - polyacrylate film ' s cross section, the dependence of polysilane - polyacrylate film ' s structure on molecules of polysilane and polyacrylate, pmma / pmts feed ratio and component concentration were investigated

    通過測試有機硅聚合物-聚甲基丙烯酸酯樹脂膜的結構，分析了聚有機硅（ pmts ） 、聚甲基丙烯酸酯（ pmma ）的分子量、 pmma pmts體系配比、組分濃度等因素對有機硅聚合物-聚甲基丙烯酸酯樹脂膜結構的影響。
  9. The friction and wear behavior of dlc gradient film on tj6a14v alloy substrate sliding against ultra - high molecular weight polyethylene was investigated by comparing with that of ti6a14v alloy against the same counterpart under the same testing conditions

    研究了dlc梯度薄膜材料與uhmwpe組成的摩擦副的生物摩擦學性能，探討了摩擦磨損機理。 ti6a14v基dlc梯度薄膜材料具有較好的減摩特性和耐磨損特性。
  10. Photography - direct - exposing medical and dental radiographic film process systems - determination of iso speed and iso average gradient

    攝影技術.醫療用和牙科用直接爆光射線攝影膠片沖洗系統. iso感光速度和iso平均梯度的測定
  11. The influence factors to electrochemical deposition and gradient distribution of pmgcf, such as the predrying extent of the swelling cathode film, the excessive power voltage of the cathode, the ph value of electrochemical reduction medium solutionn, the microstrucure of polymer matrix, were majorly invested in this thesis

    本文著重討論了了溶脹陰極膜的預乾燥程度、陰極過電位、電解質溶液的ph值、聚合物基體的結構等因素對金屬銅在溶脹陰極膜中的沉積分佈以及結晶的形態的影響。
  12. In this article, the micromorphological structure of pva - copper gradient composite film ( mpgcf ) obtained from the electrochemical reduction of a swelling cathode films ( scfs ) was studied by the scaning electronic microscope and the relationship between the micromorphological structure of the composite film and the electrochemical conditions such as the weight ratio of pva to cuc12, the material of the electrode, the concentration of the medium solution, the dring time of scf, the power voltage, the time of the electochemical reaction etc, investigated

    本文採用「溶液還原法」制備了一種新型的聚合物基金屬梯度復合材料（ mpgcf ） ? pva /銅梯度復合膜。通過掃描電子顯微鏡觀察了梯度復合膜的形態結構並研究了其形態結構與電化學條件之間的關系。然後在此基礎上，探討了梯度復合膜的形態結構與力學性能之間的關系。
  13. The result showed that the interpenetration network structure between polymeric and deposited metal has been observed under a scanning electronic microscope and optical microscope. the experiments showed that copper deposition gradient distribution and crystal structure were greatly influenced by the the ph value of electrochemical reduction medium solution and the size, number and distributing of microporous in swelling cathode film

    用掃描電鏡和體式顯微鏡對制備的pmgcf進行了分析，結果表明：制備的pmgcf樣品的金屬沉積層梯度分佈均勻，在一定的電化學條件下金屬銅和聚合物基體形成了互穿的立體網狀結構。
  14. 3 the experiment showed that there is no copper deposition in the film using p ( an - mma ) as polymer matrix. but the copper deposition and gradient distributing appears in the film when using p ( an - ita ) and p ( an - mma - as ) as polymer matrix. the size and number of crystal increases as the concentration of ita in copolymer increase and the film is prone to be ruptured

    3實驗顯示p （ an - mma ）作為基體制備的pmgcf五金屬沉積，銅的沉積量為零； p （ an - mma - as ） ， p （ an - ita ）兩種共聚物為基體時均出現金屬銅的沉積，二者金屬沉積相均呈現一定程度的梯度分佈形態，但p （ an - ita ）為基體時得到的晶體比較粗大，且隨其中ita的含量的增多得到粗糙晶體的數目增大，所制的pmgcf脆而硬，受外力沖擊時容易斷裂。
  15. It was showed that dlc gradient film material had a good stability of hemocompatibility, for its surface almost had no changes. in comparison, the hemocompatibility of t16a14v became worse since its surface had been heavily scratched and dense oxide films on its surface had been destroyed. fratal theory and image processing method had been applied to calculate the fratal dimension of tribological surfaces furthermore to elavuate the surface morphology and roughness

    摩擦表面具有多尺度相似性和隨機性的特點，採用分形幾何理論描述表面的粗糙程度及形貌特徵，三維表面的分形維數可以作為一種尺度無關的粗糙度評定參數，利用圖象處理方法，通過材料表面的掃描電鏡sem圖象灰度數據來計算三維表面的分形維數。
  16. Then properties of the polysilane - polyacrylate gradient film were characterized. the mechanism of film forming process of polysilane - polyacrylate fgm was probed into as well. the testing results indicated that adding p ( mma - co - ptris ) of different can improve the poor miscibility of pmma and ptris because p ( mma - co - ptris ) contained both pmma chains and organosilicone chains which joint pmma and ptris as a bridge

    通過測試有機硅聚合物-聚丙烯酸酯共混梯度膜的結構，發現ptris和pmma的相容性較差，加入不同聚合比例的共聚物p （ mma - co - tris ）后相容性得到改善，並可以得到一面是丙烯酸酯端；然後結構漸變成有機硅聚合物端的梯度膜。
  17. Friction - reduction mechanism of dlc gradient film could be attributed to its smooth and hard amorphous structure. the hemocompatibility of dlc gradient film had been evaluated by investigating platelet consumption ratio, blood protein adsorption and platelet adhension and morphology on surface of materials

    Dlc梯度薄膜材料與ti6a14v合金材料的血小板消耗率相差不大，但是dlc梯度薄膜材料對血漿蛋白的吸附明顯低於ti6a14v合金材料，可以預料血小板在dlc梯度薄膜材料表面粘附也會較少。
  18. Photography - sensitometry of screen film systems for medical radiography - determination of sensitometric curve shape, speed and average gradient

    攝影.醫用放射照相用屏蔽膠片系統的感光測定.感光曲線形狀速度和平均梯度的測定
  19. Photography - sensitometry of screen film systems for medical radiography - determination of sensitometric curve shape, speed and average gradient for mammography

    攝影.醫用放射照相用屏蔽膠片系統的感光測定.感光曲線形狀速度和乳腺x射線照相術平均梯度的測定
  20. The different ratio and dosage of composite surfactants were researched about the polymer latex ' s stabilization and structure. these copolymers and homo - polymer blend to prepare self - structure gradient film. to prepare the functionally gradient materials ( fgm ) of polysilane - polyacrylate, the method of emulsion mixture was performed

    各種均聚物、共聚物膜的水滴接觸角顯示，單體tris的含量越高，膜的水滴接觸角越大，這也表明共聚物的表面能隨tris的含量呈梯度變化。
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