極化顯微鏡 的英文怎麼說
中文拼音 [jíhuàxiǎnwéijìng]
極化顯微鏡
英文
polarization microscope- 極 : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
- 顯 : Ⅰ形容詞1 (明顯) apparent; obvious; noticeable; evident 2 (有名聲有權勢的) illustrious and inf...
- 鏡 : Ⅰ名詞1 (鏡子) looking glass; mirror 2 (幫助視力或做光學實驗的器具) lens; glass 3 (姓氏) a s...
- 極化 : [物理學] polarization; overpotential; overtension; polarity極化器 polarizer; 極化強度 intensity o...
- 顯微鏡 : microscope
- 顯微 : microadiography
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Test methods for thickness of anodic oxide coatings on aluminium and aluminium alloys - part 1 : microscopical method
鋁和鋁合金陽極氧化塗層厚度的試驗方法.第1部分:顯微鏡法This research has studied the microstructure of cathode materials systematically by the means of high resolution transmission electron microscopy and scanning electron microscopy, surveyed the electron emission performance of la2o3, - mo, la2o3 - y2o3 - mo, la2o3 - sc2c > 3 - mo cathode with the self - designed electron emission surveyor and analyzed the elements changing of the surface of mo - la2o3 - sc2c > 3 cathode in - situ. while it was heated to different temperature. at last, the relationship of the microstructure of cathode, diffusion of active matter and electron emission performances has been discussed
本研究採用高分辨掃描電鏡、透射電鏡對稀土鉬鎢陰極材料的顯微結構進行了系統研究;利用本課題研究組設計研製的電子發射測量儀對la2o3 - mo , la2o3 - sc2o3 - mo , la2o3 ? y2o3 - mo三種陰極(以下稱鑭?鉬陰極、鑭鈧?鉬陰極、鑭釔?鉬陰極)的發射性能進行了測量;利用經改造后的俄歇電子能譜儀「原位」分析了發射性能較好的鑭鈧鉬陰極在不同溫度下表面活性元素的變化情況。Ir - ta - ti metal oxide coated titanium anodes of variable composition were prepared by thermal decomposition. their micro morphorogies and electrochemical properties were characterized by scanning electron microscope, open circuit potential, cyclic voltammetry, consumption rate measurements and accelerated life test. the sem results indicated that all coatings were of a porous and cracked - mud microstructure influenced greatly by the composition of coatings. the electrochemical measurements showed that the ir - ta - ti ternary oxide - coated anodes exhibited excellent electrochemical activity and electrochemical stability in both acidic media and seawater which were affected by the composition and microstructure of the coatings. owing to good corrosion resistance and low consumption rate in seawater, metal oxde coated anodes belong to insoluble material, and can be potentially applid in impressed current cathodic protection systems as an anode
採用熱分解方法在鈦基體上制備銥鉭鈦金屬氧化物陽極,用掃描電鏡對陽極塗層顯微形貌進行分析,通過強化電解壽命試驗、開路電位測試、消耗率試驗及循環伏安曲線研究了金屬氧化物陽極的電化學性能. sem分析結果表明銥鉭鈦金屬氧化物陽極塗層呈現多孔多裂紋形貌結構.隨陽極塗層組成不同,塗層顯微形貌表現出很大差異,這種差異直接影響陽極電化學性能.電化學性能試驗結果表明銥鉭鈦金屬氧化物陽極在酸性介質和海水中具有良好的電化學穩定性和電化學活性.此外,銥鉭鈦金屬氧化物陽極在海水中的消耗率很低,屬于不溶性的陽極材料,作為外加電流陰極保護用輔助陽極具有廣泛的應用前景In the experiments, two series of catalysts were synthesized by co - deposition and sol - gel methods each. the composition of both waterproof and gas diffusion layer and catalysis layer were optimized by the orthogonal test. meanwhile, quasi - steady cathode polarization curves, x - ray diffraction ( xrd ), scanning electronic microscope ( sem ) were used to analyst the relationship between the microstructure and the performance of air electrode
實驗採用共沉澱法和溶膠凝膠法合成了兩類催化劑;對防水透氣層和催化層進行了正交試驗優化;同時,還採用測準穩態極化曲線, x射線衍射( xrd ) 、掃描電子顯微鏡( sem )等分析測試手段,對空氣擴散電極催化材料、空氣擴散電極界面結構與性能的關系等作了較深入的研究。The morphologies and structures obtained the anodized aluminum films were characterized by scanning electron microscopy ( sem ). transmission electron microscopy ( tem ) and atom force microscopy ( afm )
並用掃描電子顯微鏡( sem ) 、透射電子顯微鏡( tem )和原子力顯微鏡( afm )對陽極氧化鋁膜的形貌和結構進行了表徵。Scanning near - field optical microscope ( snom ), as a kind of new important optical apparatus that is used to observe appearance or investigate immanent essence of sub - wavelength objects, has been played a crucial role in the wide range of physics, chemistry, biology, medical science, geology, it estate in last years. one of difficulties of conventional snoms is the relatively low power of out signal
近場光學顯微鏡( snom )作為一種用於觀察和研究亞波長物體的外觀形貌和內在性質新的重要光學儀器,于近幾年來,在納米和介觀尺度上,為物理、化學、生物、醫學、地質和信息產業等的研究和生產提供了許多新的知識,也極大地推動了近場光學的發展。The morphology examination by sem and tem showed that the carbon nanotubes were arranged in the array uniformly and paralleled, with smooth walls, the outside diameter of 120 nm and the inside diameter of 110 nm. from the cyclic voltammetry, the array electrodes in an acidic electrolytic solution had greater capacitance than the case in a neutral electrolytic solution. the specific capacitance of 365 f / g was achieved with the discharge current density of 210 ma / g in the solution of 1 mol / l h2so4
掃描電子顯微鏡和透射電子顯微鏡對碳納米管陣列電極的形貌表徵表明碳納米管形狀規整,排列有序,尺寸均勻,管壁光滑,外徑約為120nm ,內徑約為110nm ;循環伏安實驗表明mwnts陣列電極在酸性溶液中比在中性溶液中具有更好的電容性能;根據恆電流充放電法得出mwnts陣列電極在1mol / lh _ 2so _ 4水溶液中,在210ma / g的放電電流密度下的比電容可達353f / g ,比目前報道的無序碳納米管和活性炭電極的比容量都高得多;其它電化學實驗顯示該電極具有很低的內阻和良好的充放電循環穩定性。At present, local morphology was used to discriminate ferroelectric phase area and non - ferroelectric phase area, but once morphology variation of phase transformation was tiny, the ferroelectric phase area and non - ferroelectric phase area was hard to discriminate only from morphology view. however, the introduction of sndm can overcome this limitation, and visualize the investigation of annealing process. combining x - ray diffraction, atomic force microscopy ( afm ) with sndm, the phase transformation process of pzt thin films with different annealing time and of plt films with different annealing temperature were studied, respectively
結合原子力顯微鏡( afm ) 、 sndm 、 x射線衍射( xrd ) ,通過對微區形貌、電容分佈變化和鐵電薄膜結晶情況的表徵和分析,研究了pzt鐵電薄膜和plt鐵電薄膜的晶化過程,分析了不同退火時間對pzt鐵電薄膜微結構,不同退火溫度對plt薄膜的微結構和微區極化分佈的影響,有效克服僅依據形貌特徵判定鐵電相與非鐵電相的局限性,實現鐵電薄膜微區晶化過程的可視化分析,豐富了晶化過程的研究方法。Test methods for thickness of anodic oxide coatings on aluminium and aluminium alloys - part 3 : non - destructive measurement by split - beam microscope
鋁和鋁合金的陽極氧化膜厚度試驗方法.第3部分:用分光束顯微鏡的無損測量Aluminium and aluminium alloys. anodizing. part 3 : determination of thickness of anodic oxidation coatings. non - destructive measurement by split - beam microscope
鋁和鋁合金.陽極化.第3部分:陽極氧化層厚度的測定.用分裂束顯微鏡的無損測量The natures of the probe and formation mechanisms in these techniques are different ; therefore, the images of spm can reflect different properties of sample surface. in this work, related properties of ferroelectric thin film were investigated as followed : the main factors determining the image formation of piezoresponse force microscopy ( pfm ) and scanning nonlinear dielectric microscopy ( sndm ) were studied. to avoid the misreading of the same conductive tip with different state, a new method of polarization distribution mapping with nonconductive tip was proposed, and the result of experiment demonstrated that the polarization distribution of ferroelectric thin films could be characterized well by the new approach
本工作主要分為以下幾個部分:從研究鐵電薄膜的壓電響應力顯微鏡( pfm )和掃描非線性介電顯微鏡( sndm )成像的影響因素入手,討論了針尖對成像質量的影響;為降低實驗成本、減小導電探針針尖狀態變化對鐵電薄膜微區電性能測試的負面影響,提出了以非導電探針檢測微區極性分佈的方法,並在現有spa - 300hv型spm的實驗平臺上以pfm模式成功實現了新方法對鐵電薄膜極性分佈的表徵。分享友人