電化學現象 的英文怎麼說
中文拼音 [diànhuàxuéxiànxiàng]
電化學現象
英文
electro chemical phenomenon-
Based on sndm technique, a method of local capacitance - voltage characteristic characterization of ferroelectric thin films was proposed. the effect of traps at oxide - semiconductor interface on metal - oxide - semiconductor structure capacitance - voltage curve was discussed, and the influence of coercive field to the capacitance - voltage characteristics of ferroelectric thin films was also discussed. the dynamic switching of ferroelectric domain in ca doping ( pb, la ) tio3 thin film was studied by sndm from the view of electricity
利用sndm ，從純電學的角度觀察了plct薄膜中的電疇動態反轉過程，由電疇橫向擴張的移動速度的降低，發現了晶界在電疇反轉過程中對疇壁移動的阻擋作用;根據sndm和pfm的在垂直方向上的不同信息敏感深度，得到plct薄膜中電疇反轉過程中電疇是楔形疇;用pfm觀察同一電疇在去掉外加反轉電場后電疇的極化弛豫現象，結果表明空間電荷是發生極化弛豫的主要原因。Because that complex phenomena in pegs involve kinetic effects of plasma and cathode emitted electrons, and evolution of electromagnetic fields, particle - in - cell ( pic ) code is chosen as study tool, and a two and half dimensional cylindrical fully electromagnetic pic code cylinder2 - 1 / 2d, which is suitable for simulating the operation of the pegs, has been established
考慮到peos物理現象涉及到等離子體和陰極發射電子的動力學行為以及空間電磁場的復雜變化，我們採用粒子模擬方法作為研究工具，研製了適用於peos物理問題模擬研究的二維柱坐標全電磁粒子模擬程序cylinder2 - 1 2d 。Chemical industry information not merely embodyed the ordinary chemistry information substance, chemistry manufacture technological process and representative installation introduction are still have, in case contacing legal institutions sulphuric acid ? nitric acid industry system law ( ammonia oxidate law ), synthetic ammonia industry, chlorine and caustic soda are manufacture to electrolysis salt water, along with electrogilding, refine aluminium, iron - smelting and steel - smelting, cement and glass manufacture summarized account, the mineral oil is refined, hence, the chemical industry information education is contrastd against the ordinary chemistry information education, proper such representative means, be living, the means interpreted is in speech oridinarily wholly adoptd in the chemical industry information education, now most of tutors also is adopt the means interpreted in speech, cause that the chemical industry information education is insipid like this, student lack interest to chemical industry information study, but as a result of value the pair foundation, light practice, student may say the become a mere formality to chemical industry information study o since multi - med
化工知識不僅包含了一般化學知識的內容，還帶有化學生產工藝流程及典型設備的介紹，如接觸法制硫酸，硝酸的工業製法（氨氧化法） ，合成氨工業，電解食鹽水製造氯氣和燒堿，以及電鍍、煉鋁、煉鐵和煉鋼，水泥和玻璃的生產簡介，石油的煉制等，因此，化工知識教學與一般化學知識教學相比，應有其典型的方法。在過去，化工知識的教學一般都採用口頭講解的方法，現在大多數教師也是採用口頭講解的方法，這樣使得化工知識的教學乏味，學生對化工知識的學習缺乏興趣，又因重視雙基，輕實踐，學生對化工知識的學習可以說流於形式。由於多媒體的輔助教學的高效性、形象直觀性、新穎性和多樣性、人工模擬等特點，很適合化工知識的教學，應用多媒體教學化工知識可以解決目前存在的諸多問題，如：模型短缺、組織參觀活動困難、教育經費不足、學生不易觀察等。The charging of lead - acid battery, the most widely accepted secondary battery, constrained to technological limitation, mainly adopted traditional charging methods such as constant voltage, constant voltage with current limitation, constant current and etc. those methods may not follow the internal physical and chemical laws within the battery, leading to serious overcharge and gas - generation, and resulting in low - efficiency, time - consumming and prone - to - damage of the charging operation
二次電池中被最廣泛接受的鉛酸蓄電池由於技術條件的限制，其充電主要採用恆壓、恆壓限流、恆流等常規模式，這些充電方法未能遵從電池內部的物理化學規律，大多存在著嚴重的過充電和析氣等現象，並導致充電過程的低效，耗時和易損。It was at the beginning of 1934, while working on the emission of these positive electrons that we noticed a fundamental difference between that transmutation and all the others so far produced ; all the reactions of nuclear chemistry induced were instantaneous phenomena, explosions
到1934年初，我們在研究這些正電子排斥現象時才注意到，在蛻變和當時產生所有其他反應之間存在著一種根本性區別：所有被誘導的核化學反應都是瞬時現象，即爆炸現象。The sequence of two patterns presence is changed alternately, that is, one pattern will appear at the second pulse of total pattern in this half cycle if it appears at first pulse in last half cycle. the stability of square pattern was studied by considering the interaction among the wall charges. the discharge moments of individual filament alternate from long one to short in the square pattern, which can been explained by using the breakdown and quench model through considering the wall discharge accumulated on the dielectric layers
實驗研究了正方網格斑圖與混合氣體的比例及外加電壓的關系，給出了班圖類型隨上述條件變化的相圖；實驗採用光學方法對正方網格斑圖進行了時空動力學測量，發現正方網格斑圖是由兩套正方網格斑圖相互嵌套而成，其中一套的微放電絲位於另一套正方形單元的中心，這兩套微放電絲交替進行放電；考慮到壁電荷之間的相互作用，研究了正方網格斑圖的穩定性；實驗發現正方網格斑圖的微放電絲放電時間間隔是長短交替變化的，考慮到電介質表面積累的壁電荷的作用，使用擊穿?熄滅方程很好的解釋了該現象。The electrochemical impedance spectroscopy of nickel electrodeposition indicates that nickel electrodeposition occurs in two steps, the medium frequency inductive loop is ascribed to the relaxation of the electrode coverage by an adsorbed intermediate such as niohads, the low frequency capacitive loop may be due to the inhibition of nickel electrodeposition by adsorbed hydrogen. the mechanism and equivalent circuit of nickel electrodeposition were proposed on the basis of the analysis of electrochemical impedance spectroscopy
不銹鋼電極上電積鎳的電化學阻抗行為表明氨絡合物體系鎳電沉積過程是二次放電過程，中頻感抗弧是由於中間吸附產物nioh _ （ ads ）的弛豫現象引起，低頻容抗弧可能是由於吸附氫原子對鎳結晶的阻滯作用引起，依據實驗結果提出了氨絡合物體系鎳電沉積的反應機理和等效電路模型。Instant material culture and electronic entertainment are causing the quick disappearance of the arts, literature and philosophy, like the rain forest but the behaviours and conditions which are borne out of the emptiness of the human spirit are getting worse by the day
速食式的物質文化與電子化的休閑方式，讓藝術文學和哲學走向「熱帶雨林化」 ，迅速消失。但是人們因心靈空虛而出現的行為與現象，卻日漸嚴重， 「世紀末」成了浮淺的借口。Firstly, the temperature varies in a large range in the place where the gap sensor works, so this paper analyzes the temperature drift of gap sensor, and finds out that the main reasons which result in temperature drift are the resistance of detecting coil and demodulating circuit parameters. to resolve this problem, a practical design of detecting coil is given, and a compensative measure considering the detecting coil and demodulation circuit is proposed to improve the temperature stability of gap sensor
首先，針對間隙傳感器工作環境溫度變化較大的情況，本文對間隙傳感器溫度漂移現象進行了分析，認為檢測線圈電阻和檢波電路參數變化是造成傳感器溫漂的主要原因，建立了檢測線圈的數學模型，提出了檢測線圈和檢波電路綜合補償方法，解決了間隙傳感器的輸出信號溫度穩定性的問題。Then some cavity quantum electro - dynamic ( cqed ) effects are studied by experiment. the photoluminescence ( pl ) intensity enhancement at resonance wavelength and suppression at off - resonance wavelength, emission spectrum narrowing as well as emission intensity redistribution in space are observed in the microcavity device fabricated with distributed bragg reflector ( dbr ) and silver mirror as well as that done with two silver mirrors
分別在帶有dbr結構的平面微腔及全金屬鏡構成的平面微腔中觀察到了諧振模式處的輻射增強及非諧振模式處的輻射抑制，發射譜線窄化以及輻射強度空間分佈重組等腔量子電動力學現象。This barrier provides two useful electrical phenomena
這個電化學降提供了兩種有用的電現象。The tests of e - o applications by our flux ktp has been realized, the results showed : optical waveguides fabricated by using an ion - exchange process, which have an exchange - ion concentration depth profile and refractive - index profile, is close to a complementary error - function distribution, optical homogeneity and device thermal stability is much better. amplitude modulation switch formed by our flux ktp has the contrast ratio of 150 : 1 and insert loss is 2. 5 % at 1064 nm. high quality optical pulse with 1 ns width was cut successfully by using an e - o modulator from a laser pulse with 50 ns width, this modulator had run for three years, and the crystal did n ' t blackened, it showed our low conductivity flux ktp can endure high modulation voltage for a very long time
Ktp晶體的電光應用試驗表明：用離子交換法製作的電光波導，其離子交換濃度、折射率變化符合餘弦誤差函數，光學均勻性以及器件的溫度穩定性較好；製作的強度調制電光開關，消光比為150 ： 1 ，對1064nm激光的插入損耗為2 . 5 ；製作的電光調制器用於激光脈沖整形試驗，從脈沖寬度50ns的激光脈沖削出脈寬1ns的高質量光脈沖，該電光開關經過長達三年多的使用，沒有出現晶體變黑現象，說明本實驗的低電導率ktp晶體能夠耐受長時間的調制電壓。Electrochemical performance of metallic nickel electrode in non - aqueous ethanol indicates nickel can be dissolved if only the potential is higher than a certain value. it also indicates that halogen ion can promote the dissolution
通過金屬鎳電極在乙醇中的電化學行為研究發現，當電位高於一定值時，金屬在乙醇中會發生溶解現象，並且導電鹽中的鹵離子對金屬溶解有促進作用。For adapting to the need of industrialization and improving the properties of materials, the method of mechanical activation has introduced on the basis of traditional calcinations at high temperature. the stardard spinel limn204 is prepared by the mechanical activation - high temperature solid synthesis method. the thermodynamic property, the physical - chemistry performance and the producing techniques of. battery have been studied by means of thermogravimetry ( tg ), differential scanning calorimetry ( dsc ), x - ray diffraction ( xrd ), scanning electric microscopy ( sem ) as well as various electrochemical analysis methods. studies show that synthesis temperature, calcinations time, recipe of raw materials, heat treatment and particle size of products are main factors affecting the performances of limn204 cathode materials. with the increment of synthesis temperature and time, the structure and crystal of products are getting to perfect
隨著合成溫度和時間的增加，產物的結構和晶型越趨于完善，但在1100得到的產物有燒結和晶粒增大的現象，恆溫時間超過24h后對材料的性能影響不是很大； li mn比在0 . 95 1 . 05 2的條件下都可得到標準的尖晶石limn _ 2o _ 4 ，尤其當li mn比為1 . 05 2時，所合成的材料具有較好的電化學性能；通過兩段合成法制備的產物性能要比一段合成法法制備的產物性能好，而兩段間隔合成法比兩段連續合成法處理的材料性能更佳；顆粒的粒度隨著球磨時間的延長而減小，比表面昆明理工大學碩士學位論文摘要卻增大，粒度小且分佈范圍窄的材料有利於鏗離子的擴散。The sem and the pl observation showed that the surface of porous silicon prepared by pulsed etching was more uniform and the si particles were smaller. the intensity of pl formed by pulsed etching method was enhanced and the peak had blue shift comparing that formed by dc electrochemical etching method. at the same time, it was observed that the smaller the dimension of the porous silicon, the broader energy gap of the porous silicon
採用脈沖和直流電化學腐蝕兩種方法制備多孔硅，對這兩種方法制備的多孔硅樣品進行掃描電鏡和熒光光譜的測量，發現脈沖腐蝕制備的多孔硅樣品比直流腐蝕制備的多孔硅樣品表面均勻、顆粒尺寸小、發光強度大，而且發光峰位有明顯的藍移現象。Spr is a physical phenomenon of total intemal reflection ( tir ) of light at the interface between two media when a light beam propagates across such an interface from higher refractive index media to the lower. spr is sensitive to the refractive index of the surface medium. the physical characteristic of spr has been applied to chemo / biosensing in the chemistry and biology
Spr原本是一種物理光學現象，由沿著金屬和介質界面傳播的電磁波所激發而形成的，它對于附著在金屬表面的介質的折射率非常敏感，化學與生物學上利用spr的這個物理特性來進行傳感分析。Electrochemical techniques have been used to study the relationships between the synthesis and the electrochemical property of the positive electrode materials. the theoretical analysis for the experimental phenomena has been discussed
選取優化出的正極材料進行電化學性能測試，對鋰離子的電化學性能與材料制備方面的關系作初步探索，並對實驗現象進行定性的理論分析。In order to better understand the processes and phenomena that determine the performance of a liquid feed dmfc, a more comprehensive steady - state mathematical model of dmfc is established
為了深入理解電池內發生的物理化學現象，特別是甲醇穿透對電池性能的影響，建立了一個更完善的液體進料dmfc穩態模型。The disembodied voices of schizophrenia and the feelings of worthlessness and self - hatred that accompany depression, although they seem to be based on reality, are no more than distortions in brain electrochemistry
盡管精神分裂癥患者的幻聽現象，以及伴隨沮喪而來的無價值感和自我厭棄的感覺，似乎都有現實的根據，然而，它們只不過是大腦電化學的失調作用罷了。The first one is a two - dimensional, steady - state model for liquid - feed direct memanol fuel cell ( lfdmfc ), another one is a three - dimensional, comprehensive, steady - state mathematical model for h2 / o2 proton exchange membrane fuel cell ( pemfc )
本文分別對dmfc和h _ 2 o _ 2pemfc建立了綜合的數學模型，研究了電池內的傳遞現象和電化學特性，得到了電池的極化性能。分享友人