capacitor capacitance 中文意思是什麼

capacitor capacitance 解釋
電容歧容
  • capacitor : n. 【電學】電容器 (=condenser)。 a capacitor microphone 電容傳聲器[話筒,微音器]。
  • capacitance : n. 【電學】電容;電容器。
  1. Mems ( micro electromechanical system ) has become one of the most rapidly development technologies. along with the rapid development of mems techniques, capacitive sensor is used widely whose capacitance changes small, which has put forward the new request to the measurement technique. the common measure for capacitance measurement is that convert capacitance to voltage, electric current or frequency. the area of polar plate of the capacitor becomes smaller and smaller, and the total capacitance of micro capacitive sensor is usually several pico farad only. as a result, its change amount is smaller

    Mems ( microelectromechanicalsystem )近年來發展最快的技術之一,隨著mems技術的快速發展,電容式加速度計的電容變化變化量越來越小,對檢測技術提出了新的要求。在電容式傳感器中,常用電容檢測電路是將其轉換為電壓、電流或者頻率信號。目前的微型電容傳感器的極板面積變得越來越小,電容總量只有幾個pf ,變化量就更小。
  2. In the modern electricity metrology standards, standard capacitor is considered as the best phsical standard which can be used to reappearance of the capacitance unit ? farad

    現代電學計量標準中,標準電容器被認為是復現電容量值單位?法拉最好的實物標準。
  3. 3000 hours. lower voltage high capacitance cdf farad - grade aluminum electrolytic capacitor. well suited for use in super car audio systems, industrid robots, telecommunication equipmemt of dc or pulse circuits

    3000小時,低電壓高電容量法拉級cdf ,廣泛用於精密汽車聲頻系統、工業機器人,電信設備的直流電或脈動電路中。
  4. On the ground of educative theory, this paper exposits connotation and characteristic of project - based learning and why we should also enforce project - based learning in high school. as far as substance of project - based learning and objective circumstance what it should have are concerned, it points out the practical ability. at last, based on that university physics education has relatively longer cycle, it proposes stage pattern for enforce project - based learning and give two concrete cases, which discuss capacitance of confocal oval - shaped stylar capacitor and potential distribution of charged conductor of surface being uniparted hyperboloid

    本文在具體的教育理論指導下,闡述了研究性學習的內涵及特點;在大學物理中實施研究性學習的意義;以及就研究性學習的實質和所需具備的客觀條件而言,論述了研究性學習在高校中實施的可行性;並根據大學物理教育具有周期性相對較長和專業循序漸進的特點,提出了研究性學習的階段性模式,並給出了具體的實例,利用保角變換法討論了共焦橢圓柱形電容器電容及單葉雙曲面帶電導體的電位分佈。
  5. Fixed tantalum chip capacitor style 1 protected - extended capacitance range

    1型防護固定鉭薄片電容器.擴大電容範圍
  6. Fixed tantalum chip capacitor style 1 protected - standard capacitance range

    帶保護1型鉭片式固定電容器.標準電容量范圍
  7. Firstly, the whole scheme of the transducer is designed, the transducer includes capacitance / voltage converting, ripple - control capacitor switching, magnify - multiple switching, a / d converting, singlechip, photoelectric isolation and rs - 485 serial communication, etc. the measurement of microcapacitor is the key technology of transducer

    首先對變送器部分進行了整體的方案設計,變送器由電容/電壓轉換、紋波控制電容切換、放大倍數切換、 a / d轉換、單片機、光電隔離和rs485串口通訊等幾部分組成。
  8. Measurement of the capacitance at each additional frequency for the same capacitor

    按每一額外頻率,測量同一標準電容器的電容量
  9. Results came as follows : in this dissertation, we found that it was the smallness of the positive electrode capacitance that limits the performance of carbon based supercapacitors in alkaline electrolytes, and the performance could be meliorated if the active material loaded on positive electrode increased. activated carbon electrode was proved to have good capacitor performances in neutral electrolyte such as ammonium sulfate solution and ammonium nitrate solution, but a correlated problem is the corrosion of the metal current collector

    本文通過考察活性炭電極在堿性電解液中的電極行為,指出活性炭電極在堿性溶液中正極性能較差是影響碳基超級電容器性能的重要因素,增大正極活性物質的載量能夠使電容性能得到一定程度的改善,同時發現活性炭電極在硫酸銨和硝酸銨等中性電解液中具有優越的電極性能,但存在金屬集流體的腐蝕問題。
  10. The series solution of the eccentric spherical capacitor ’ s capacitance has been obtained based on the bispherical coordinate system and strict derivetion, and through making programe to compute to get the numerical relation between the capacitance and the eccentrity, pionted out that the capacitance not let up but enlarged with the gain of eccentriccity

    四、採用雙球坐標系嚴格求解了偏心球形電容器的電容。得到了它的級數解,求得了偏心球形電容器電容大小隨偏心度變化的規律,發現偏心球形電容器電容的大小並不是隨偏心率的增加而減小,而是隨偏心率的增加而增加的。
  11. Measurement of the capacitance and dissipation factor of a standard capacitor, at one frequency

    按一個頻率,測量一個標準電容器的電容及耗散因數
  12. The effect of annealing temperature, concentration, doped cobalt and the content of catalyzer on the capacities properties of pseudo - capacitor is studied. the results show that the specific capacitance enhances by supercritical drying and it is about 262f / g in 1mol / l aqueous koh

    結果發現:超臨界乾燥將有效提高電極比電容量;以1mol / l的koh溶液為電解液所得電容比容量可達262f / g 。
  13. First, the capacitor inserted allows a low frequency " extension " due to the resonance between the transformers inductance and the capacitance value

    第一,耦合電容和變壓器初級電感之間的諧振可以容許更好的低頻延展。
  14. We can store electrical energy in to metal plates seperated by an insulating medium. we call such a device a capacitor, or a condenser, and its ability to store electrical energy capacitance. it is measured in farad

    兩片絕緣的金屬板之間能夠存儲一定的電量,我們稱這種裝置為電容器,它的功能就是具有一定的電容量,其衡量單位是法拉。
  15. Raised the idea of constructing hybrid capacitor with a battery based positive electrode and a capacitor based negative electrode, experiment proved that a hybrid supercapacitor with a manganese dioxide based positive electrode and an activated carbon based negative electrode showed very good performance, double electrode specific capacitance could be enhanced to 95. 7f / g, that is 2 ~ 3 times that of the carbon based supercapacitors. furthermore, the maximal voltage of a single cell could be expanded to 1. 5v, as a result, the energy density could be ten times higher than that of a carbon based supercapacitors

    本論文中我們提出了將電池哈爾濱工程大學碩士學位論文的正極與電容器的負極結合成混合超級電容器的構想,並成功實現了二氧化錳正極和活性炭負極的組合,構成的錳碳混合超級電容器雙電極比容量可達到95 . 7f / g ,比活性炭超級電容器提高了2一3倍,單體工作電壓可以高達1 . 5v ,從而使能量密度提高到碳基超級電容器的十倍。
  16. Some important parts for these two vsc - hvdc control systems are designed in detail, especially the structures and parameters of the vsc controllers, as well as the principles for selecting the equivalent inductance of the convertor transformer and the capacitance of the capacitor on the dc side of the vsc. digital simulation using netomac is done to verify the validity of those proposed control strategies. ( 2 ) the operation performance of the vsc - hvdc under some characteristic faulted conditions without any protection measures are studied, and the over - current and over - voltage of the vsc - hvdc during those faults is revealed

    ( 2 )對vsc - hvdc在沒有保護控制的情況下其交流側、直流側和vsc內部等部位發生常見較嚴重故障時的運行特性進行了模擬研究,總結出這些較嚴重故障可能對vsc - hvdc造成的危害,並針對這些危害提出了幾種切實有效的保護策略,模擬結果證實了應用這些保護策略可確保vsc - hvdc中的一些重要部件能夠在大多數類型的故障時免遭過電壓或過電流的損害。
  17. At installation site. 3. the capacitance tolerance in each serial group and segment shold no more than 0. 5 %. the ratio between maximum value and minimum value of capacitance which is measured at any two termin - als of capacitor unit in three phases should no more than 1. 02

    3 .電容器內部每個串聯組串聯段間的電容之差不大於0 . 5 % ,三相單元中在任何兩個線路端子之間測得的最大電容與最小電容之比不超過1 . 02 。
  18. Based the capacitance standards, studies on the calibration for the frequency response of single - port capacitor and the measurement for the frequency response of 4tp resistor are performed. the work is divieded in several parts as follows

    在10khz 1mhz的頻率范圍內,利用開發的傳遞測量系統,對標稱值為0 . 01 f 、 0 . 1 f和1 f四端對固體介質電容器進行頻率響應的測量。
  19. The author accomplished this dissertation through taking part in the project. the main contents of this dissertation are : based on the national capacitance standard, the principle and the measurement method for capacitance metrology are studied, and the frequency response of a four - terminal - pair ( 4tp ) capacitor acted as the capacitance standard is measured in the extended frequency range

    本文研究的主要內容是:在國家「電容基準」的基礎上,選用四端對電容器作為標準器,研究電容量值擴展頻段的計量原理及方法,測定其頻率響應,建立國家的擴展頻段電容標準;以擴展頻段的電容標準為量值標準,進行測量四端對電阻器和校準單埠電容器頻率響應的研究。
  20. The mathematical and circuit analyses of the converter show that the output current of the dc - dc converter tends to be saturated with the gradually increasing product of the operation frequency and the capacitor capacitance in the case of a determinate effective loop resistance

    分別用matlab和pspice從理論和電路兩個方面進行的模擬研究都表明:在等效同路電阻一定的情況下, dc - dc變換器的輸出電流隨工作頻率和電容容量乘積的增大而趨于飽和。
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