電壓增高 的英文怎麼說
中文拼音 [diànyāzēnggāo]
電壓增高
英文
increased voltage-
The piezoelectric constant ( dji ) changes with the polarization time under saturated electric field. the d33 increases rapidly with the polarization time at the initial stages of polarization, and approaches constant after certain time
在飽和電場( es )下,壓電常數( d33 )隨極化時間( tp )的變化而變化,極化初期d33隨tp的增加而迅速增高;極化一定時間后, d33趨于平緩。When the batteries are treated by hydrophobia of 4 % ptfe concentration, the cycle life and voltage plateau improves. internal resistance increase with the increase of ptfe concentration
4的ptfe乳液憎水處理提高了電池的循環壽命,但電壓平臺衰退有所加快,憎水處理后內阻隨ptfe乳液濃度的升高而增大。It is therefore advisable never to use an excessively high working voltage for a multiplier cell.
因而光電倍增管不使用過高的工作電壓是很有道理的。A well-regulated power supply provides the high voltage for the photomultiplier.
一個高度穩定的電源供給光電倍增管所需要的高壓。The second, at the high frequency primary coil, when switch turn on with control signal ( the spwm pulse is modulated ), in the positive or negative semi - period of low frequency modulation signal, transformer coil with same direction voltage. the magnetic flux of transformer core will increase step by step. at the end, it leads to magnetic flux saturation
二、在高頻變壓器原邊,當開關管接收控制信號脈沖列(經調制的spwm波列)導通時,在低頻調制信號的正半周或負半周內,施加在變壓器繞組上的是同一方向的電壓,變壓器磁芯中的磁通可能將級進地逐漸增加,導致磁芯飽和,造成磁偏或單向磁化,導致低頻電信號放大失真或由於很大的磁化電流而無法正常工作。Only transformer coupling can contribute to the voltage gain of an amplifier by virtue of a stepup turns ratio.
只有放大器耦合方能通過開壓匝數比提高變壓器電壓增益。Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect
在實際設計實現中,為提高系統軟、硬體整體穩定性和可靠性,使用了以下幾種方法: ( 1 )低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術; ( 2 )多層pcb設計,線路板結構緊湊,電源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電; ( 3 )選用表面貼和bga封裝的器件; ( 4 )按照軟體工程的要求進行系統分析,規劃系統框圖、流程分析、模塊劃分,減小了不同模塊的相關性,從而最大限度避免了錯誤的發生。Significance of brainstem auditory evoked potential for diagnosis of intracranial hypertension in children
腦干聽覺誘發電位在兒童顱內壓增高中的意義But advances in rotor design and high - voltage integrated - circuit controllers have enabled the latest wind turbines to generate 30 percent more power than pinwheels the same size did just a decade ago
但是,旋轉輪設計與高電壓積體電路控制器的進步,讓最新型的風力葉輪產生的電力,比10年前同樣大小的風車增加30 % 。Electrical field stress at the icicle tips is even stronger. at these areas, if the electric field across air gaps is high enough, corona discharges are initiated. this can lead to the development of local arcs across the air gaps causing a substantial increase in leakage current and a concomitant melting of ice
空氣間隙的存在使覆冰絕緣子表面的電場分佈發生了明顯畸變,間隙上承受了非常高的電壓,這使得冰凌尖端的電場變得相當強,一旦電場達到了電暈的起始電場,局部放電就在這一區域發生,進而產生局部電弧並逐漸發展成整串的閃絡,泄漏電流迅速增大,同時伴隨著冰的融化。In order to enhance the precision, this design proposes that temperature - measuring circuit of platinum resistors and software should be employed to carry on adjustment of measured precision ; it also proposes that the interference of the grid can be reduced by the voltage front feed ; and meanwhile it calls for the application of the photoelectric insulation, the over heating protection and alarm so as to enhance the security performance of the system
為了提高精度,本設計還採用了鉑電阻溫度測量電路,並利用軟體對測量精度進行自校準;通過電壓前饋控制減少電網干擾。此外,設計中還加入了光電隔離措施及過熱自動保護和報警功能,以增強系統的安全性能。Test results indicated : with the hoist of altitude, the increase of ice amount and the rise of pollutant, the average flashover voltage reduced. the character exponent generally depends on the insulator profile, ice amount, ice state and pollution severity etc. by means of a high - speed camera, a data acquisition system and high voltage test facilities, a series of the flashover processes on ice surfaces were record. the experimental results form this study and the subsequent theoretical analyses suggested : the thermal ionization of the air in front of an arc root resulted in arc movement ; the electrostatic force had an auxiliary effect of impelling arc propagation ; the electrical
通過對攝像機、數據採集系統及高壓試驗裝置記錄覆冰絕緣子表面閃絡電弧的發展過程的試驗結果進行理論分析得出:弧根周圍空氣的熱電離導致了電弧的發展,靜電場力對電弧的發展起到了加速作用,電擊穿僅發生在閃絡最終的跳躍階段;通過測量閃絡過程中的放電電壓、泄漏電流、閃絡時間、覆冰水電導率、電弧長度及電弧半徑等參數,得到了不同階段電弧(電弧起弧階段、電弧發展階段及完全閃絡)的發展速度、臨界電弧長度均隨覆冰水電導率的增加而減小。Ghg - electrical grade activated silica powder is produced by way of mingling on the basis of electrical grade silica powder. it has activt effect on surface & make silica powder mingled with resin, raise cohesive force between resin & silica powder, raise the water - resestance on the sunface and the compressive strength of pour object, reduce sediment, gradation & split, increase filler of silica powder, and replaced inpoted products on the producing line of imported dry type transfomer & high tension mutual induc tance equiment, it has been the best pouring insulate materual in electrical trade
電工級活性硅微粉是在電工級硅微粉的基礎上進行偶聯化處理而製成,具有表面活性作用,能使用硅微粉與樹脂發生交聯,提高樹脂與硅微粉的粘結力和界面增水性,提高澆注體抗沖擊強度,減少沉澱、分層、開裂現象,增加硅微粉的填充量,在引進的乾式變壓器、高壓互感器生產線上已成功地代替了進口產品,成為電工行業理想的環氧澆注絕緣材料。Based on the hydrodynamic energy transport model, the influence of variation of negative junction depth caused by concave depth on the characteristics of deep - sub - micron pmosfet has been studied. the results are explained by the interior physical mechanism and compared with that caused by the source / drain depth. research results indicate that with the increase of negative junction depth ( due to the increase of groove depth ), the threshold voltage increases, the sub - threshold characteristics and the drain current driving capability degrade, and the hot carrier immunity becomes better in deep - sub - micron pmosfet. the short - channel - effect suppression and hot - carrier - effect immunity are better, while the degradation of drain current driving ability is smaller than those with the increase of depth of negative junction caused by source / drain junction shallow. so the variation of concave depth is of great advantage to improve the characteristics of grooved - gate mosfet
基於能量輸運模型對由凹槽深度改變引起的負結深的變化對深亞微米槽柵pmosfet性能的影響進行了分析,對所得結果從器件內部物理機制上進行了討論,最後與由漏源結深變化導致的負結深的改變對器件特性的影響進行了對比.研究結果表明隨著負結深(凹槽深度)的增大,槽柵器件的閾值電壓升高,亞閾斜率退化,漏極驅動能力減弱,器件短溝道效應的抑制更為有效,抗熱載流子性能的提高較大,且器件的漏極驅動能力的退化要比改變結深小.因此,改變槽深加大負結深更有利於器件性能的提高The result shows that the film thickness of alq3 has remarkable effect on the performance of oleds. in the case of alq3 film thickness of 40 nm, the highest performance device was obtained. it also indicates that the change of alq3 film thickness doesn ’ t affect the emitting spectrum of the double - layer device
結果表明,在npb的膜厚度保持在15nm的情況下, alq3的膜厚度在40nm時,器件的各方面的性能最佳;此時,啟亮電壓最低只有3 . 2v ,而且隨電壓增加而增加的亮度達到最高,穩定性和流明效率也最佳。Charge qs was located near the interface of silicon and oxide. with more charge, the field of buried oxide was improved up to the critical breakdown field basis on entirely continuity of electric displacement vector, and then the vertical breakdown voltage was raised. the comparisons between analytical and simulative results proved its availability of this model to interpret the vertical blocking mechanism
該模型認為,將界面電荷qs引入i層si / sio2的si界面,根據電位移矢量的全連續性,界面電荷qs越多,使i層內電場增加,直至sio2的臨界電場,從而提高縱向擊穿電壓vb . v ,很好得解決了器件的縱向耐壓問題。If the focal point of the len shifts around the surface of the sample, the mass ablation, the temperature of the plasma and the spectral intensity appear asymmetric and their maximum occur at the location which is about 0. 4mm under the surface of the sample. ( 2 ) to the plasma of the aluminum alloy sample, when the operating voltage is 1600v, the height from the observed location of the plasma to the surface of the sample is 2mm and the argon pressure is 660 torr, the spectral intensity have the maximum values
( 2 )對于標準鋁樣品,在激光器工作電壓為1600v 、等離子體觀測高度為2mm 、氬氣壓力為660乇時,其譜線強度最強;以al 308 . 22nm 、 al 309 . 27nm兩條譜線為分析線,發現隨著環境氣壓的增大,譜線自吸效應明顯增強,當環境氣壓達到600 - 700乇時,譜線幾乎產生自蝕。Compared with the lithium ion batteries using untreated graphite as anode material, those using modified graphites as anode materials have larger capacity, higher discharge voltage and better cycling capability
以熱處理或摻雜改性石墨為負極的鋰離子電池的放電容量增加,放電中值電壓升高,循環性能顯著提高。This makes sense if you remind yourself that the " fight - or - flight " response is meant to help you either defend yourself from a hungry predator or hightail it out of a dangerous situation - - running or brawling both require plenty of energy to fuel your muscles
如果你曾經因為一部驚恐電影而害怕或者因為工程要到期了而在辦公室里橫沖直撞,你可能就很熟悉腎上腺素的癥狀:心跳頻率快、血壓增高、急促稀薄的呼吸。Namely, the electric field at the drain - side edge of the gate decreases with the increasing of negative charge density in the surface, so the breakdown voltage of gaas mesfet ' s will increase
表面受主態的增多使表面負電荷密度增大,表面聚集的負電荷可以分散漏側柵邊緣處的電力線密度,減弱了柵靠漏一側的電場強度,擊穿電壓提高。分享友人