極高電壓 的英文怎麼說
中文拼音 [jígāodiànyā]
極高電壓
英文
extra-high tension-
Engaged in neurosurgery clinic and basic research for 40 years, implemented neurosurgery all - round application research on three - dimensional directional technology, and encephaloma actinotherapy research, high blood pressure hematoma directional cleanup, obstinate epilepsy therapy and three - dimensional directional endoscope cutting encephalic tumor and microelectrode therapy on funciotional disease research
從事神經外科臨床與基礎研究工作己近40年，主要進行了立體定向技術在神經外科全方位的應用研究，腦瘤間質內放療的研究，高血壓腦血腫立體定向血腫清除手術，頑固性癲癇手術治療，立體定向內窺鏡切除顱內腫瘤及微電極治療功能性疾病研究。The paper discusses the influence on the plant cellular, caused by the added hvef, by the bimolecular lipid membranes, and deduces the microcosmic mechanism
結果表明，較低電壓的處理可提高硫甙含量，顯著降低含油量，而較高電壓的處理可降低硫甙含量，極顯著降低芥酸含量。First, a simple discussion for the mechanism about electrostatic atomization of the liquids has been given ; then the paper theoretically analyzed waving course, liquid drop producing course, and the liquid drop diffusing course in electrostatics atomization process., gave an analysis about the methods about carrying charges to the liquid drop, and analyzed that liquid with high electrical conductivity can be carried charges and atomized by electric field, while the isolated liquid with low electrical conductivity can be charged fully with the soakage electrode and inducing charge methods. at last the paper designed and configured the experimental equipment, conducted the atomization experiment to the three liquid medium - kerosene, emulsifier and alcohol under the same environment, handled the experimental results, then summarized the relationship between liquid electrostatic atomization effect and liquid surface tension, electronic conductivity and viscosity, along with the influence of voltage to electrostatic atomization and so on, found out the liquid atomization rule in high voltage electrostatic field
首先，對液體介質的靜電霧化機理作了初步的探討，理論上分析了液體霧化過程中射流區、波紋區、霧滴區和霧滴擴散區;然後對液體荷電方法進行了研究分析，對于高電導率的液體，場致荷電和接觸荷電可以使其霧化，而對于電導率較低的絕緣液體，需用浸潤電極荷電和感應荷電方法使其充分帶電;最後，根據前面的研究分析，設計和組裝試驗裝置，在同一環境下對煤油、乳化劑、酒精三種不同液體介質進行高壓靜電霧化試驗，並對試驗結果進行分析處理，總結出液體靜電霧化與液體表面張力、電導率和粘度的關系及電壓對液體靜電霧化的影響等，得出高壓靜電場中液體霧化的一般規律。The factors limiting the frequency band of the wide - band amplifier are introduced. through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics, a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit, current pattern circuit and frequency characteristics are analyzed. according to the linear theory of transconductance which is applied in the bit circuit, the current pattern amplifier circuit, current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward
介紹了限制寬帶放大器頻帶寬度的因素，通過分析mosfet的本徵參數、寄生參數對頻率特性的影響，提出了採用短溝器件、使mosfet工作在飽和區、抬高柵源電壓等提高mosfet特徵頻率的方法；分析了不同電路組態對放大器頻率特性的影響、節點電壓對電壓模電路、電流模電路頻率特性的不同影響，根據應用於雙極晶體管電路的跨導線性原理，提出了採用mosfet構成的電流模放大電路、電流傳輸電路、輸出電路以及由它們所組成的寬帶放大器，獲得了良好的頻率響應。The instrument is integrated with a multi - channel high precision open circuit potential measurement system for the ion selective electrode and a potentiostat used in voltammetry, an analog lock - in amplifier is also presented to measure the response of light addressable potential sensor
對于不同的測量技術，儀器中集成了用於測量電極的多通道高精度開路電壓測量系統和用於溶出伏安法測量的多路電化學測量系統，以及用於測量光尋址電位傳感器的鎖相放大器。The triode steps up voltage.
三極體能升高電壓。Railway fixed equipment. high speed unipolar circuit - breakers for direct current traction systems 750, 1500 and 3000 volts. characteristics and tests
鐵路固定設備.直流電壓為750 1500和3000v的牽引設備的高速單極斷路器.性能和試驗To solve the problems above, this dissertation supported by the project of national natural science foundation ( nnsf ) : research on piezoceramic micro - actuator ’ s polarity modeling and controlling method ( code : 60274053 ) focuses on the research of driving and control technique of piezoceramic. the drivers based on voltage, current control had been designed with the high voltage amplifier as core component
針對壓電陶瓷驅動存在的上述問題，本文結合國家自然基金項目「壓電陶瓷微驅動器件極化模型與驅動方法的研究」 （編號: 60274053 ） ，以高壓運算放大器為核心元件，通過分析電壓、電流型驅動器原理及電路參數，提出了一種彌補其不足的復合型驅動方法。This could increase the work function of ito, which would decrease the device threshold voltage and increase the luminescence efficiency consequently
因此，採用氧等離子體處理的ito薄膜作為oled的陽極將降低發光器件的開啟電壓，提高其發光效率。2 ignitor : - this is an electronic amplifier that receives electric current from the ballast and boosts voltage to ignite the arc light source in all environments. it initializes plasma discharge within the source by delivering a high - volt pulse to the electrodes
2 ignitor : -是一個從ballast接收電流並向所有環境中的arc light source釋放電壓的電子放大器，它通過向電極傳遞高脈沖來對等離子放電器進行初始化The key parts of barretter are made of irf840 field - effect transistor, the magnetic ring and high frequency choking coil which adopting negative temperature index. such components can provide barretters a wide applicable voltage 160v - 250v. low power consumption, minor temperature rise, stable functions, long life - span
鎮流器核心元件採用irf840場效應三極體，磁環及高頻扼流圈採用負溫系數，這樣的元件選擇使整流器適用電壓范圍寬160v - 250v ，功耗低，溫升小，性能十分穩定，確保其擁有很長的壽命。The goal of this paper is, by serial / parallel combination technique of two - transistos forward converters ( ttfcs ), to keep the merits of the ttfc, and to overcome the shortages of it. the interleaving technique is adopted, while in combining ttfcs. the interleaving technique lowers the net ripple amplitude and raises the effective ripple frequency of the overall converter without increasing switching losses or device stresses
組合式雙管正激變換器由雙管正激變換器串並聯構成，應用交錯控制策略，在保留雙管正激變換器功率開關管電壓應力低和可靠性高的優點同時，克服了等效占空比小、副邊二極體電壓應力高、輸出電流脈動大等缺點。Abstract : on the basis of the theory of controlled phase - changes of piezoceramics, high - temperature polarizing technology makes initial working temperature a little higher than curie temperature of a sample, but the polarization voltage needed is greatly lower than the one needed in normal polarization ( only 1 / 10 - 1 / 5 ). the improved polarizing technology can make polarization more complete
文摘:壓電陶瓷的高溫極化是利用受控的場致有序化的順電鐵電相變原理，使起始極化溫度略高於樣品的居里溫度，但所需的極化電壓大大低於常規極化，僅為1 / 10 - 1 / 5 ；選擇較高的降溫升壓速率，可使極化趨于更加完全，具有常規極化工藝無可比擬的優越性。For saving driver ics ' power consumption and cost, this research proposes a novel display pixel design with integrated charge pump circuits. the proposed display pixel design can supply driving voltage more than double the input voltage to display pixels. there are two advantages for this developed novel pixel design. first, the power consumption of the panels with the proposed novel pixels can be reduced due to the lower voltage on data lines. second, the high voltage driver ics are not necessary, such that the cost and power consumption of the corresponding driving systems can be diminished. from the simulation results, the pixel voltage indeed could raise to more than double input voltage by this proposed design. in addition, the pixels with charge pump circuits also retrench about half power consumption than the conventional display pixels
為了節省面板電路驅動晶元的功率損耗以及製作成本，本研究提出一種新的像素電路設計，而在設計中將會融合電荷泵電路.利用這種電路設計的像素可有效地將像素電極上的驅動電壓提高到輸入電壓的2 3倍以上.此像素電路設計具有兩個優勢:第一，可以有效降低顯示面板的像素功率損耗;第二，不需高電壓的面板電路驅動晶元，因此可節省晶元的成本及功率損耗.由模擬結果可知，像素電極上的驅動電壓確實可由此像素電路設計而提高到輸入電壓的2 3倍以上;而像素的功率損耗也可有效地降低，約為傳統像素的1 / 2The lead zirconate titanate ( pzt ) / polymer composite presented large tan5 and dynamic modulus when the composites were exposed to higher polarization voltage and longer polarization time, because of the uniform dispersion of ceramic in polymer matrix and the strong interaction between grain and polymer. the morphology of the composites, namely the degree of the grains dispersion in polymer, can be observed through scanning electric microscope ( sem )
顆粒結構性高的壓電陶瓷，其復合體系內耗大；在高極化電壓、長極化時間下，壓電陶瓷顆粒在聚合物中分散比較均勻，與聚合物接觸面大，相互間作用強；在外力作用時，體系tanb 、 g ， ， g ?呈現大的值。Because the current passing through measurement circuit is near to zero, the effects of electrode polarization on the measurement results are virtually eliminated
由於流過測量電路的電流近似為零，因此消除了電極極化電壓對測量結果的影響，提高了測量的精度。Switching loss and efficiency of the proposed resonant pole zvt three - phase pwm inverter are analyzed and discussed. results of calculation and testing of the prototype together with a hard - switching inverter with the same specification show that an improvement of 2 % ~ 3 % is obtained. based on the analysis of drawbacks of existing svpwm technique in resonant pole zvt three - phase pwm inverters, several improved svpwm methods are presented
對提出的諧振極零電壓過渡三相pwm逆變器的開關損耗和工作效率，進行了深入的分析和討論，並針對原理樣機進行了理論計算和實際測量，並與相同規格的硬開關三相逆變器進行了對比研究，結果表明，採用提出的軟開關技術的原理樣機的效率可以提高2 % 3 。The study in various switches with high voltage, high current, fast turn - on time, low jitter, low resistance, low inductance, low erode rate and being capable of steadily work with pulse repetition - rate, is currently a subject of growing interest
具有耐受高電壓強電流、擊穿時延短而分散小、電阻和電感小、電極燒損少以及能在重復脈沖下穩定工作的各種類型的開關元件的研製，是當前一個十分受重視的研究課題。Spinel limna is considered as the most promising positive material for li - ion batteries because of its high voltage, high safety, low cost, easy recycle and environmental affinity
尖晶石結構的limn _ 2o _ 4以其高電壓、高安全性、低成本、易回收、對環境友好等優點而被人們公認為最具應用前景的鋰離子電池正極材料。Multilevel ( ml ) converters have been attracting more and more attention because they have the advantages such as low voltage stresses for power devices and reduced harmonic content of the voltage waveform. they are very suitable for high voltage and high power conversion applications
多電平直流變換器由於其開關管及二極體的電壓應力低、輸出電壓諧波含量小等優點，特別適合於高電壓大功率的應用場合，近年來正受到越來越多的關注。分享友人