直接電化學法 的英文怎麼說

中文拼音 [zhíjiēdiànhuàxuéfǎ]
直接電化學法 英文
direct electrochemical method
  • 直 : Ⅰ形容詞1 （成直線的; 硬挺的） straight; stiff 2 （跟地面垂直的; 從上到下的; 從前到后的） erect; v...
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 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...
  • 學 : Ⅰ動詞1 （學習） study; learn 2 （模仿） imitate; mimic Ⅱ名詞1 （學問） learning; knowledge 2 （學...
  • 法 : Ⅰ名詞1 （由國家制定或認可的行為規則的總稱） law 2 （方法; 方式） way; method; mode; means 3 （標...
  • 直接 : direct; immediate
  1. In order to prepare ag - coated flake graphite used as filler of conductive adhesive or poles of the battery, the electroless plating procedure was investigated that plated the silver directly in alkaline solution without activation or sensitize treatment

    摘要為制備可用於高性能電池電極和導電膠的石墨填料，採用了不經過敏化、活化處理而直接在堿性鍍液中進行化學鍍銀的方法制備了鍍銀鱗片石墨。
  2. Abstract : the recent progresses of the electrochemical techniques, such as direct electrolysis, indirect electrolysis and electroadsorption, for remediation of organic pollutants in water were reviewed. and the prospective research work was indicated

    文摘:介紹利用直接電解、間接電解和電化學吸附等方法去除水中有機污染物的研究現狀，並指出今後的工作方向。
  3. 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。
  4. Direct electrochemistry of superoxide dismutase immobilized by self - assembly and sol - gel method

    凝膠法固定超氧化物歧化酶的直接電化學
  5. Then using ecbp21 antibody and immunogold transmission electron microscopy method, we studied the subcellular localization of ecbp21. the results indicated that the gold particles were mainly localized in the cell wall in callus cells and rachis cells of angelica dahurica. these results indicated that ecbp21 mainly localized in cell wall, which provide a direct evidence of the extracellular existence of ecbp21. furthermore, using ecbp21 antibody and immunohistochemical method, we studied the organic specially distribution of ecbp21, the results indicated that ecbp21 distributed in all organize, but it distributed more in leave n flower rachis than in leafstalk and root

    首先，構建了ecbp21表達載體，誘導了重組蛋白的表達，並通過膠回收法獲得了大量純化重組ecbp21蛋白，制備了高效價、高特異性抗體；隨后，利用ecbp21抗體，結合免疫膠體金電鏡定位技術進行了ecbp21亞細胞定位研究，結果顯示：在白芷愈傷組織細胞和花序軸細胞中金顆粒主要分佈在細胞壁區域，而在細胞內未發現或僅有少量金顆粒分佈，表明ecbp21蛋白主要定位於細胞壁區域，這為細胞外cambp （ ecbp21 ）的胞外存在提供了直接證據：進一步，利用ecbp21抗體，通過免疫組織化學分析研究了ecbp21組織特異性分佈狀況，結果表明ecbp21在白芷各組織中均有分佈，但在葉、花、花序軸中分佈較多，而在葉柄、根中分佈較少。
  6. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接轉矩控制的缺陷和未來直接轉矩控制技術發展方向，本論文重點做了以下幾個方面的工作，目的在於提高dtc系統的綜合性能： （ 1 ）提出一種新型的速度磁鏈觀測器，新型的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的精度，並且根據popov超穩定性理論推導出轉速的新型自適應收斂律； （ 2 ）改善系統的低速運行性能，主要從提高低速時對定子磁鏈的估計精度入手，提出了一種提高定子磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數； （ 3 ）採用數字信號處理器dsp實現系統全數字化硬體控制，結合ti公司生產的tms320lf2407晶元，設計了直接轉矩控制系統的實驗裝置； （ 4 ）提出了基於sercos總線網路化分散式的直接轉矩控制系統， sercos （ serialrealtimecommunicationsystem ）是目前最適合同步和協調控制的串列實時通信協議； （ 5 ）基本勾勒出整個控制系統的硬體和軟體設計基本框架，詳細描述一些實驗中的具體的細節問題。
  7. 2. researching on innovation design method : based on the law of system evolution and de, combined with consumer psychology and relevant knowledge on product modeling methodology, and by analyzing a mass of electronic consuming products appearances, seven patterns and twenty paths of evolution is summarized, which direct the general trend of product appearances. an effective heuristic method for appearances innovation design of consumer electronic product is offered to designers

    2 .創新設計方法研究:以技術進化定律和直接進化理論為基礎，結合消費心理學及產品造型設計學的相關知識，通過對大量的不同年代的消費電子產品外形的分析后，總結出消費電子產品外形演變的7種進化模式與20條進化路線，這些模式與路線指明了消費電子產品外形的進化方向，為設計者提供了一套外形創新設計方法。
  8. The fitness of four negative electrode materials such as al, fe, zn, cd, and of six membranes materials : microfiber glass mat separator, polyethylene, polypropylene, polyvinyl chloride, vinylon, soapnated cellulose acetate, and of four current collects : carbon fiber ; nickel foam ; nickel foam sthongthened by iron wire net, punched silver grid in the super - iron alkaline batteries was comparatively studied. the influence of two storaged method ( with and without electrolyte ) and two impurities ( zno, fe ( oh ) 3 ) to the experiment cell ' s self - discharge nature was also comparatively studied. at last, the nature of discharge. structure and electrochemistry of experimental cell with k2feo4 as cathode active material prepared by three different methods : high temperature reaction, hypochlorite oxidizing and electrolysis, was comparative ly studied. we can conclude : i ) the open - circuit potential and the flat of work potential and the percent of capacity of k2feo4 till 1. 0v during the discharge at constant load of experimental cells decreased by the order of al / k2feo4, zn / k2feo4, cd / k2feo4, fe / k2feo4. as for the nature of charge - discharge cycle, cd / k2feo4 fe / k2feo4 zn / k2feo4. in water solute electrolyte, although al / k2feo4 can n ' t be used as storage battery, it have great potential as primary cell or storage cell from the aspect of its discharge capacity. discharge power

    採用組裝實驗電池、 x -射線衍射（ xrd ）和循環伏安（ cv ）的方法，從實驗電池的放電特性、充放電循環特性、自放電特性，不同高鐵酸鹽的結構特性和電化學特性幾個方面，對4種金屬負極材料（ al 、 fe 、 zn 、 cd ） 、 6種隔膜材料（復合玻璃纖維、幅射接枝聚乙烯、改性聚丙烯、聚氯乙烯、維尼綸無紡布、皂化再生纖維素） 、 4種集流體材料（泡沫鎳、以鐵網為加強層的泡沫鎳、切拉銀網、炭纖維編織網）在堿性高鐵電池中的適用性進行了比較研究；對2種雜質組分（ zno 、 fe （ oh ） _ 3 ）和2類不同貯存方式（干、濕）對實驗電池自放電特性的影響進行了比較研究；對3種方法（高溫固相反應、次氯酸鹽氧化、直流電解）所制k _ 2feo _ 4的實驗電池的放電特性、結構特性和電化學性能進行了比較研究。
  9. Simultaneous determination of gallium, indium and thallium in geochemical samples by inductively coupled plasma mass spectrometry

    電感耦合等離子體質譜法直接同時測定地球化學樣品中鎵銦鉈
  10. Silicon nitride ( normally si3n4 ) has been widely used in such fields as micro - electronics and optoelectronics as a promising film material because of its excellent property. many researches have been made on silicon nitride, especially on preparation for it with all kinds of cvd ( chemical vapor deposition ). but the growth mechanism and kinetics of direct - nitridation in nitrogen are not investigated in detail, especially few work has been done on direct - nitridation of silicon wafer in nitrogen during heat treatment

    氮化硅（ si _ 3n _ 4 ）具有許多特殊的優越性能，是一種前景廣闊的薄膜材料，並已廣泛應用於微電子、光電子領域，人們對此做了大量的研究，但主要集中在用各種化學氣相沉積的薄膜制備上，對直接氮化法的機理和動力學研究較少，特別是矽片在氮氣保護的熱處理條件下的直接氮化行為研究更少，甚至對矽片在熱處理條件下能否與惰性的氮氣發生反應等問題依然存在爭論。
  11. 1. polybenzidine ( pbz ) was polymerized by using chemical method in organic system and with ( nh4 ) _ 2s _ 2o _ 8 as oxidant, hclo4 as dopant. the electrochemical behaviors of pbz electrode were studied by cyclic voltammetry, charge - discharge test and electrochemical impedance techniques

    1 .用化學直接氧化法在乙腈溶液中，以高氯酸為摻雜劑制備了聚聯苯胺，用循環伏安，交流阻抗，直流充放電對其電容行為進行了研究，聚聯苯胺電極比電容為150f / g 。
  12. 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
  13. Abstract : a new non - contact measurement system of the ammunition energy is discussed, which can be used to measure the performance parameters of all kinds of ammunition chemical battery in non - contact means. as infra - red optical medium is applied to send signals in this system, the problems in the traditional measuring such as low - precision measurement, existing of the ac - dc boundary and the multi - factors arising thereform are overcome, and the noncontact measurement precision of the ammunition energy performance parameters is improved

    文摘:論述一種彈載能源非接觸測量系統，適用於各型彈載化學電池性能參數的非接觸測量，該系統採用紅外光介質從電磁場中傳遞信號，克服了傳統測量方法精度低和「交直流界線」及其導致的「多系數」等問題，大大提高了彈載能源性能參數非接觸測量的準確度。
  14. It is domestic and international to research networks economies on the up the abroad scholars study more early, and study more completely with deep into research that it is economic to network that western scholar research " post industry society " and can think of considers most and early, afterwards of knowledge - based economy, arithmetic figure economy research then network economy starting point that study the chinese scholar is late start than then, but already there are large quantity scholars and commerce personage study with and pay attention to the network economy chinese and foreign scholar although cognition network economy, but profusion of different opinions, mostly is basic the network economy to equal the internet economy, its core is an electronic commerce, basic analysis method is a traditional limit method, but the less study the theories problem, problem of more little and in point of system of the network economy ; come in sight of the network economy to the challenge and break traditional economy theories, and less talk with the relationship the network economic theories and traditional economy theories ; ca n ' t answer the underneath some and important problem : why the phenomenon of increasing returns widespread meeting with network economy ? why the network economy trade expenses and the information dissymmetry at the same time in the decrease, and also can increase the bargain expenses and the information dissymmetry

    中外學者雖然對網路經濟的認識莫衷一是，眾說紛紜，但大都把網路經濟基本等同於網際網路經濟，其核心是電子商務，基本分析方法是傳統的邊際方法，而較少研究網路經濟的理論問題，更少論及網路經濟的制度問題；看到了網路經濟對傳統經濟理論的挑戰和突破，較少論及網路經濟理論與傳統經濟理論的繼承關系；不能回答下面的一些重要問題：為什麼網路經濟會普遍出現報酬遞增現象？為什麼網路經濟在減少交易費用和信息不對稱的同時，也會增加交易費用和信息不對稱？為什麼在網路經濟產生「直接經濟」的情況下，會出現專業化生產外包的現象？
  15. In dtc system, the concept of space vector is introduced to analyze and control the ac motor, the electromagnetic torque and flux are caculated and controlled in the stator reference frame, and the optimal pwm gating signas are generated to control the inverter according to the output of the bang - bang regulator. in this paper, the dtc system is designed based on dsp. a speed estimation method is derived detailedly and the sensorless speed close - loop control is conducted. in this system, there are some problems, such as flux drift and torque ripple. to resolve these problem, a modified flux caculation method and some measures such as speed lpf, torque slide filtering are adopted. the system performance is enhanced by these mersures

    直接轉矩控制採用空間矢量的概念來分析異步電機的數學模型和控制其各物理量，直接在定子坐標系中計算和控制轉矩和磁通，藉助于離散的兩點式調節（ bang - bang控制）產生pwm信號，直接對逆變器的開關狀態進行優化控制，以獲得轉矩的高動態性能。本文採用dsp設計了直接轉矩控制系統，詳細推導了速度估計方法，進行了無速度傳感器的速度閉環控制。
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