surface polarization 中文意思是什麼

surface polarization 解釋
表面極化
  • surface : n 1 表面；地面；水面；廣場，空地。2 外觀，外表，皮毛。3 【幾】面；切口；【航空】翼面。adj 表面的...
  • polarization : n. 1. 兩極分化。2. 【物、天】極化；極化強度。3. 【物理學】偏振（化）。
  1. The corrosion behavior of nanocrystalline ( nc ) copper bulks with various grain sizes prepared from igc ( inert gas condemsation ) and vacuum annealing in comparison with conventional microcrystalline ( mc ) copper ( as - rolled and electrolytic ) in acid copper sulphate solution and neutral solution containing chlorides under free corrosion conditions and anodic polarizations has been studied using potentiodynamic polarization, potentiometric analysis, cyclic voltammetry and electrochemical impedance spectroscopy. x - ray diffraction was used to estimate the grain size of the annealed nc copper. field emission gun scanning electron microscopy and x - ray energy - dispersive spectroscopy was used to characterize the surface morphology and analyze the surface composition after the polarization and potentiometric test of both nc and mc copper

    本文研究了用igc （惰性氣體蒸發凝聚原位溫壓法）制備並真空退火到不同晶粒尺寸的納米晶銅和微米晶銅（冷軋紫銅、電解銅）在酸性硫酸銅溶液和中性含氯溶液中，在自腐蝕狀態和陽極極化狀態下的腐蝕性能。使用了動電勢極化、電位測定、循環伏安法（ cv ）和電化學阻抗譜（ eis ）等方法。 x -射線衍射（ xrd ）的方法用來估算納米晶銅晶粒尺寸。
  2. In acid copper sulphate solution, the nc copper has a more negative corrosion potential which is decreasing with reducing the grain size and diffusion impedance was only found in the as - prepared and as - annealed at 180 ? nc copper due to the diffusion within the pores and channels on the surface. both the tafel plots and eis study demonstrated that the nc copper exhibits a higher corrosion current and lower polarization resistance than its mc couterpart

    在酸性硫酸銅溶液中，納米晶銅的腐蝕電位比微米晶銅要負，並且隨著晶粒尺寸的減小而降低。 eis研究表明，未退火的和180退火的納米樣品中發現了擴散阻抗，與表面孔洞和通道中的擴散有關。極化曲線外推法和電化學阻抗研究都表明納米晶銅的腐蝕電流比微米晶銅高，而極化電阻要低。
  3. The development of latent fingerprint on mirrory surface using polarization photography

    偏振光照相顯現鏡面客體上的潛在指印
  4. The scattering intensity of rough surface is computed, while the roughness, polarization, observation station and the refractive index are different, and the wavelength of incident light is 0. 48 m. the results indicates the rougher the rough surface is, the less the coherent scattering is ; the influence of the smaller refrective index is more than larger one by the polarization

    計算了入射光波長為0 . 48 m時，不同粗糙度，偏振態，散射角以及不同折射率的粗糙面散射強度，結果表明，粗糙面越粗糙，相干散射越小，非相干散射越強;偏振態對折射率大的粗糙介質面影響較小，對折射率較小的介質面的影響較大。
  5. We have developed the theory of boundary shielding approximation of electric polarization, from which the values of spontaneous polarization of some typical ferroelectric materials can be derived. the shielded charges in ferroelectricity are in the state of surface bound polaron - dipole whose creation and annihilation must span a potential barrier. by introducing statistical method, four types of typical electric hysteresis loops of some common crystals and ceramics have been given, which are well consistent with the experimental results

    利用電極化的邊界屏蔽近似，可計算出一些典型鐵電單晶的自發極化強度.鐵電屏蔽電荷處于表面束縛極化子偶狀態，其產生和湮沒要跨越位壘.由統計方法給出的一些常見晶體和陶瓷的四種典型電滯回線形狀，和實驗觀察到的結果一致
  6. To achieve accurate detection of surface potential, the measurement of the contact potential difference of the zno / si step was also carried out. polarization - related surface properties of ferroelectric thin films were investigated by kelvin probe force microscopy ( kpfm ), leading to the discovery of asymmetric charge writing on the surface of pb ( zr _ ( 0. 55 ) ti _ ( 0. 45 ) ) o _ 3 ( pzt ) thin film

    為了優化儀器的檢測靈敏度和穩定性，選用氧化鋅薄膜上的zno / si臺階作為測試對象，檢測了zno / si的接觸電勢差;通過改變儀器系統參數，發現針尖-樣品距離和掃描速度對接觸電勢差的檢測結果影響顯著。
  7. The distribution regularity of polarization charge on the surface of spherical medium and electric field

    介質球面上極化電荷及空間電場分佈規律
  8. The factors which influenced the process include the insulator ' s material, structure, the distribution of space electrical field, the way to deal with the surface, the characteristic of voltage waveform, pulse width etc. there are two kinds of theory for the vacuum surface flashover : secondary electron emission avalanche ( seea ) and electron triggered polarization relaxation ( etpr )

    影響該過程的因素包括絕緣材料結構、空間電場分佈、表面處理方法、所加電壓特徵，脈沖寬度等。研究真空表面閃絡過程有兩類理論：二次電子發射崩潰（ seea ）和電子引發極化鬆弛（ etpr ） 。
  9. The polarization ratio, p = 0. 87, was obtained in this case. the composite film of zinc oxide and copper phthalocyanine ( cupcrn ) was prepared by modifying the surface of zinc oxide thin films with cupcrn

    同時，對氧化鋅?酞菁銅復合薄膜的熒光性能研究表明，酞菁銅的存在對氧化鋅薄膜426nm的熒光有很好的敏化作用，其偏振比為0 . 89 。
  10. A modified definition of polarization resistance calculated from the equivalent circuit of eis make its value dependent on the grain size. in anodic polarization test ( sweeing and stair - steps ), the maximum ( critical ) current density increases while the passivation potential and breakdown potential lowers with the reduction of the grain size. fegsem images showed the grain growth and pitting corrosion of the nc copper surface, uniform corrosion in the mc copper surface and the broken passivation layer in both surfaces

    在陽極極化實驗（包括掃描法和臺階法）中，致鈍電流雖晶粒尺寸減小而增大，而致鈍電位和擊穿電位都隨著晶粒細化而降低。 fegsem照片發現了納米晶銅的晶粒長大和孔蝕，微米晶銅表面的均勻腐蝕，和兩種銅表面破碎的鈍化膜。
  11. If the position of the non - polarization slab shifts from the center to the surface, the number of the peaks of the susceptibility will change, and a step - like polarization curve is found. finally, two types of the dipolar defects are introduced into the lattice - based ferroelectric system

    雜質層的空間位置的變化，如由中心對稱位置向表面方向移動，會導致多層膜的相變溫度升高，介電極化率由一個峰變為兩個峰，多層膜的極化隨溫度升高出現跳躍下降（ step一likepolarization ） 。
  12. The polarization degree of metal plate surface increases with the viewing angle, when the viewing angle is larger than 20 degree

    在觀測角大於20時，隨著觀測角度的增大，金屬目標板熱紅外偏振度的數值也增大。
  13. However, the relationship between the thermal emission polarization degree of metal plate surface and viewing angle of the detector does not obey the rule, when the viewing angle is smaller than 20 degree

    但在觀測角小於20時測量，金屬目標板熱紅外偏振度和觀測角之間的關系並不遵循上述原則。
  14. A kind of novel composite photocatalysts containing tio2 and tourmaline particles, such as tourmaline / tio2 composite photocatalysts and tourmaline / [ tio2, sio2 ] composite photocalysts, were fabricated mainly by the sol - gel technique, whose microstructure, photocatalystic activities and spontaneous polarization were investigated by the scanning electron microscope ( sem ), uv - visible spectro - photometer, etc. the novel porous composite films of tourmaline / tio2 were prepared from alkoxide solutions on the surface of copper by sol - gel method

    本工作利用電氣石礦物材料的天然電極性、輻射紅外線性能和tio _ 2的光催化性能，研製以電氣石為載體， tio _ 2薄膜和[ tio _ 2 ， sio _ 2 ]復合薄膜為催化劑的新型復合催化材料。研究材料的制備技術、結構、性能及電氣石表面tio _ 2晶體生長機理、電氣石增強tio _ 2光催化效率機理。
  15. High frequency surface - wave radar ( hfswr ) utilizes the surface - wave mode of vertical polarization electromagnetic wave propagation over sea water to detect targets of ships and aircrafts at distance beyond the line of sight

    高頻地波雷達（ hfswr ）依靠高頻垂直極化電磁波沿海洋表面繞射傳播的機理，實現對海面艦船目標和低空飛行目標的超視距探測。
  16. The disease in jaw surface will be drop the bite force ; the bite force in the patient who disease in temporal jaw joint descent obviously than normal person ; serious mistake in join deformity, the acute damage in the area arthritis can also drop the bite force evidently ; compare to normal children, wenneberg fund that the bite force lower and the duration of the biggest bite force shorter in the children who fall ill of the chronic arthritis ; the bite force also be used in appraise of the recovery condition in surgical operation 、 disorder in jaw arthritis and the serious bone offset in bite lopsided etc. some materials, it will be produce polarization phenomenon inside when suffered some force in certain direction, at the same time, it produce opposite electric charge in two of the surface ; and resume to the station of on - electrification when removed the outside force ; change the direction of the outside force, the polarity of the electric charge also be changed, this kind of phenomenon is called as “ piezoelectric effect ”

    本文設計了石英晶體壓電傳感器，以它作為傳感元件把咬合力信號轉變成電信號;利用ts5860型準靜態電荷放大器把傳感器的電荷信號轉變成電壓信號;選用usb7822數據採集卡，編寫該數據採集卡的驅動程序，採集該電壓信號並送到計算機里;編寫labview程序對該信號進行處理，得出咬合力值和咬合力曲線，並把測量結果以電子表格的形式保存，以便做進一步的分析和研究。通過對該測量儀的靜態標定、動態標定、溫度漂移標定以及實際測量試驗，證實了本測量儀具有較高的靈敏度、受動態力和溫度變化的影響比較小、能實時地顯示咬合力曲線和較準確地顯示咬合力值，滿足了咬合力測量的要求。
  17. The main contributions of the dissertation are as following : ( 1 ) according to the theories of co - polarization and cross - polarization scattered characteristics, co - polarization and cross - polarization scattering characteristics of typical targets have been analyzed detailedly in this paper. a mechanism is described that rough surface tilted ( symmetrical distribution scene ) conduces to estimate terrain slope. so, we can estimate an elevation outline of symmetrical distribution scene without any experiential knowledge

    本文的主要貢獻可歸納為以下五點：山廠村拈人學博十論義2001 （ l ） 4十日標的共極化和交義極化敞射理論，詳細分析了典型11杯的共極化和交義極化敞射特性，網明傾斜的均勻分佈場景（粗糙表而）的共極化敞射特性4i利十提取地形方位向高度輪廓的機jrp 。
  18. Retrieving soil moisture information with radar measurements could be is achievable by using the multi - frequency and / or multi - polarization measurements to separate the vegetation and surface roughness effects

    ， 2000 ） 。在乾旱半乾旱地區，監測地表土壤水分的時空變化特性對理解土壤?植被相互作用過程，提高土壤和植被的有效利用率尤為必要。
  19. This article solves some theoretical problems of electrostatic suspension based on optoelectronic feedback control. the mechanism of electrostatic induction of conductive suspended objects ( cso ) and electrostatic polarization of insulting suspended objects ( iso ) was theoretical discussed. the equations of charge density on the surface of suspended object caused by electrostatic field were developed. we further provided the equations describing the quantitative relationship of electrostatic forces verses the electrode voltages, the electrode area, the suspending gap, and the electric characteristic of suspended object. these equations show that the inducted surface charge density of cso is greater than the polarized surface charge density of iso, as a result, the electrostatic force acting on cso is larger than that acting on iso, as already proved by the experimental results of measured electrostatic forces. this work provided the theoretical equations and the mathematical models for effectively realizing the optoelectronic feedback control of electrostatic suspension

    本文主要討論光電反饋式靜電懸浮的理論問題.研究在靜電場作用下導電懸浮體的靜電感應機制和絕緣懸浮體的靜電極化機理，推導出懸浮體表面的感應電荷或極化電荷的計算公式，以及作用於懸浮體上的靜電懸浮力的計算公式，在理論上揭示了靜電力與電極電壓、電極面積、懸浮間距及懸浮體電學特性等因素之間的關系.結果表明，導電懸浮體表面的感應電荷量比絕緣懸浮體表面的極化電荷量多，因此前者所受的靜電懸浮力比後者大，但兩者均可實現靜電懸浮，這些結論與實驗結果完全符合.本文工作為實現靜電懸浮的光電反饋控制提供了理論依據
  20. It is found that the surface potential of the negative charge bits are higher than those of the corresponding positive ones. when ferroelectric polarization switching occurs, the potential difference becomes even more remarkable. the origin of this phenomenon traced to the existence of internal field within the interface layer which is near the ferroelectric / electrode interface

    研究發現pzt薄膜表面的電荷沉積與薄膜-底電極界面層內部的界面電場存在密切聯系，由此我們建立了一個界面電場模型，定性地解釋了pzt薄膜表面電荷沉積的非對稱現象。
分享友人
分享到 Line

分享到臉書