電極化強度 的英文怎麼說
中文拼音 [diànjíhuàqiángdù]
電極化強度
英文
polarization- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 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...
- 強 : 強形容詞(強硬不屈;固執) stubborn; unyielding
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 極化 : [物理學] polarization; overpotential; overtension; polarity極化器 polarizer; 極化強度 intensity o...
-
With the aid of baffle movement, a technique named masking pretreatment and the method of vacuum deposition have been used to fabricate the ag - o - cs photoemissive thin films with internal field - assisted structure for the first time. the internal field - assisted photoemission characteristics of ag - o - cs thin films show that the photoelectric sensitivity is increased when the internal electric field is applied to the thin films, which indicates that the electric field has been effectively provided to the thin films by the above - mentioned internal field - assisted structure. such an enhanced photoemission is attributed to the variations in energy - band structure of ag - o - cs thin films, and which are considered to induce the lower - energy electrons to participate in the photoemission
通過掩膜預處理和擋板轉移技術的配合,利用真空沉積方法首次制備了內場助結構ag - o - cs光電發射薄膜。 ag - o - cs薄膜內場助光電發射特性測試結果表明,該方法能夠有效地實現ag - o - cs薄膜體內電場的加載與表面電極的引出,薄膜光電靈敏度隨內場偏壓的增大而上升。 ag - o - cs薄膜在內場作用下的光電發射增強現象與薄膜體內能帶結構變化低能電子參與光電發射等物理機制有關。The hysteresis loops were detected, it is found that the remanent polarization and the conceive field of the ceramics deceased with the dope of ba2 +. in the composition range of mpb, the conceive field exhibit the lowest value
測試了樣品的電滯回線,發現batio _ 3的摻入有效降低了nbt基陶瓷的剩餘極化強度和矯頑場,在準同型相界組成點,矯頑場達到最小值。The regional stratigraphic petrophysiacl column, which includes density, magnetic susceptibility, remanent magnetization, electrical resistivity and chargeability, has been set up to help geophysical survey in hebei province
摘要主要介紹河北省區域地層密度、磁化率、剩磁強度、電阻率、極化率物性柱的特徵,其地層物性統計表可供河北省境內的重力、磁法、電法勘查使用。Is a hard, brittle, corrosion - resistant, gray to white metallic element extracted from wolframite, scheelite, and other minerals, having the highest melting point and lowest vapor pressure of any metal
顏色呈灰色或棕黑色,硬度高,延性強,熔點極高,常溫下不受空氣侵蝕主要用途是製造燈絲和高速切削合金鋼,各種鎢電極,也用於光學儀器,化學儀器方面。It was found that the schorl or dravite in schorl - dravite group that is produced from pegmatite and has good crystal degree had a strong intensity of spontaneous polarity by electron - beam bombardment and x - ray diffraction of varying the temperature
利用電子束轟擊結合變溫xrd分析發現在schorl - dravite系列電氣石中,產于偉晶巖的,結晶度比較高的mg電氣石或fe電氣石具有較高的自發極化強度。Value, and the current density and intensity versus the substorm phases. moreover, the characteristics of substorm current wedge are given special attention. it is found that the density and intensity of facs reach their peak during the expansion phase, the onset of the expansion phase is triggered when imf is changed to southward from northward or the southward imf decreases, and the positions of onset are most likely to be at the edge of plasma sheet near the earth
值分佈以及場向電流強度和密度隨亞暴位相的變化,並著重分析了亞暴電流楔的特徵。結果表明,亞暴膨脹相的場向電流強度和密度都達到極大值亞暴的膨脹相是由行星際磁場轉向或南向分量變小觸發的,其起始位置很可能位於近地等離子體片內邊緣。The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change
結果顯示化學沉積co - ni - b 、 co - fe - b工藝在稀土元素( ce 、 la 、 y 、 dy ) 、能量(超聲波、磁場)介入后,沉積過程、合金成分、鍍層形貌結構和性能都有顯著變化,表現在:鍍液的陰極極化過電位和極化度降低,沉積速度提高;鍍層的結合力、表面質量改善;鍍層中過渡族元素的含量增加,輕元素硼的含量降低,同時證實了稀土元素與過渡族元素共沉積的可能性;鍍層的顯微結構由非晶態向微晶和多晶態轉變;鍍層的顯微硬度與耐磨性提高,力學性能優化;鍍層的矯頑力降低;磁導率提高;鍍層的磁化強度在能量(超聲波、磁場)和輕稀土元素ce 、 la介入后提高,重稀土元素y介入后降低。The pyrogallol was adhered on the surface of the solid electrode by the direct oxidative electropolymerization to construct the chemical sensors for bi ( iii ). the sensor exhibits perfect long stability and reproducibility. a low detection was obtained in the determination of bi ( iii ) and this way can be applied to determine the real samples such as human hair and nails
2 、將修飾劑鄰苯三酚直接電聚合到固體電極的表面,研製bi ( )離子化學傳感器,該修飾電極穩定性和重現性很好,克服了以往碳糊電極機械強度差、重現性不好的缺陷,測定bi ( )達到了很低的檢出限,應用於人發和指甲等實際樣品的測定。It has high selectivity in adsorpting water, polar molecule or polarizable molecule on account of the existing of mighty coulomb field and polar interaction in the internal of crystal cave of zeolite, the high electric field gradient and the uneven surface caused by the exposure of exchangable cation of equilibrium framework negative charge in framework structures
由於分子篩晶穴內部有強太原理工大學碩士學位論文摘要大的庫侖場和極性作用,再加上骨架中大量平衡骨架負電荷的可交換陽離子的暴露造成的高電場梯度及表面的不均性,使其對水、極性分子及可極化的分子具有高選擇的吸附性能。The temperature dependences on the resistance in all the thin films show that in the low temperature range the width of eg band level changes the transports, but in the high temperature range the thin films forms the small polarons hopping conductivity. the phase transition induced by the current is explained by the demagnetization and lattice distortion
在高溫部分,材料呈現小極化子跳躍形式輸運特徵;實驗研究了不同偏置電流對薄膜的相變影響,表明電場可以引起材料中磁性的變化和晶格畸變,導致相變溫度點向低溫方向移動;材料的光致相變研究表明光子能量、光強和極化方向對輸運性質有影響。In the third chapter, the influence of current density, solution concentration, erosion time and aging in ambient air on the pl spectra of ps suggests that peak would blue shift with current density increasing, and with erosion time and aging time prolonging ; with the increasing of solution concentration, peaks would red shift when solution concentration less than 1 : 1 but blue shift when solution concentration greater than 1 : 1. above phenomena can be explained by quantum confinement and light center model, but do not deny the action of si - h bonding and defect on the surface in the process of photoluminescence. at present, radiation mechanism is still one of the primary problems in the study of ps
在第z三章中;通過對比,分析了電流密度、陽極化時間、溶液濃度以及自i然氧化時間對多孔硅光致發光光譜的影響,認為在一定的范圍內,多i孔硅的發光峰位會隨電流密度的增大而藍移,要獲得較強的發光,需z要選擇合適的電流密度;隨著腐蝕時間的延長,多孔硅的發光峰位會i發生藍移;當f酸的濃度較小q : 1 )時,峰位隨濃度的增大表現為向i低能移動;而當f酸的濃度較大河山時,峰位隨濃度的增大則表現z為移向高能;多孔硅在空氣中自然氧化;其發光峰位發生藍移,而強i度隨放置時間的延長而降低。Standard test method for conducting cyclic potentiodynamic polarization measurements for localized corrosion susceptibility of iron -, nickel -, or cobalt - based alloys
鐵鎳鈷基合金的局部腐蝕敏感性的循環動電勢極化強度的試驗方法Then a simple analytical formula is obtained, which expresses the constitutive relation between polarization p and loading electric field e of ferroelectric materials
由此推出一個簡單的解析表達式,表達了鐵電材料極化強度p與外電場e的本構關系。The tourmaline with great spontaneous polarity can purify water and air. so it can be used in building decorating material, purifying water materials and cleaning air materials
自發極化強度大的電氣石具有凈化空氣和水的作用,在環保建築裝飾材料、凈化水和空氣材料中有很大的應用價值。The hit spot was round or circle on the crystal plane. therefore, the intensity of spontaneous polarity and the direction of polarity could be judged by the shape of the electron - beam bombardment spot
因此根據電子束打擊斑的形貌可判斷電氣石的自發極化強度和方向, 「打擊斑」亮的一端為負極,暗的一端為正極。It was found that the dropping rate in remnant polarization, pr ( n ), of the samples would be accelerated when a high intensity or low frequency or square - wave of electric field was applied or at a lower temperature
實驗結果表明,在高電場強度、低電場頻率和在方波電場的作用下以及較低的溫度下,鐵電陶瓷材料剩餘極化強度p _ r ( n )下降的速度變快。In the second chapter, the nonlinear optical properties are described from both macroscopic and microscopic views, at the same time, giving the definitions of the linear and nonlinear polarizabilities. then, the explicit expressions of the linear and nonlinear polarizabilities are obtained by using quantum mechanical perturbation theory and density matrix formalism, respectively
第二章非線性光學性質,首先分別從宏觀和微觀兩個角度討論了極化強度和電偶極矩與外加光電場強度之間的關系,同時給出了線性極化率和非線性超極化率的定義,然後分別運用含時微擾理論和密度矩陣理論求解了分子體系的線性極化率和非線性超極化率。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Introducing several osl fabrication methods, mainly electric field poling method is investigated, and discussing the limit relation among poling electric field e, poling current i and natural poling intensity ps, and analyze the various factor affecting the osls quality. 4. the experiment of aperiodical litaos multi - wavelength shg is demonstrated
3 、介紹了幾種介質制備的方法,著重對高壓電場極化法進行了理論研究,討論了脈沖電壓,電流及自然極化強度p _ s之間的制約關系,分析了影響成疇質量的幾個物理因素。It was proposed that the reduction in pr ( n ) during the electric fatigue process was probably caused by the increase of a domain and anti - ferroelectric c * domain ( both leading to the increase in non - switching of c domain ) in combining with the experimental observation that the pr ( n ) values lowered with the rise of n. the equation which can be used to calculate the differences in non - switchable domain due to the increase of n was also given. variations of domain - switching with changes of n are discussed according to the in - situ xrd measurements
根據原位xrd實驗觀測結果,給出了c a疇的90疇變的近似估算公式,並結合宏觀剩餘極化強度隨n增加而降低的實驗觀測,提出了疲勞過程中材料的剩餘極化強度p _ r ( n )降低是由於a疇的增加和反鐵電c ~ *疇增加導致不可翻轉c疇增加共同造成的假設,並給出了不可翻轉疇隨n增加而變化的估算公式。分享友人