直流阻 的英文怎麼說

中文拼音 [zhíliú]
直流阻 英文
dc resistance
  • : 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...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • 直流 : direct current (dc); constant current; steady current; continuous current; zero frequency curre...
  1. Taking the silicon diode as an example, through an analysis of the diode ' s current - voltage characters and the avometer circuit, the writer finds out the reasons for the differences in the amount when measuring the positive direct current equivalent resistance with different ohm grades

    摘要以硅二極體為例,從二極體的伏安特性及萬用表內部電路的角度,分析了用指針式萬用表的不同歐姆檔位測量二極體的正向等效電時,其值緣何不同。
  2. Test methods for dc resistance or conductance of insulating materials

    絕緣材料或導電性試驗方法
  3. A method of simple mesure for 0. 05 grade dc high resistors

    05級器的方法
  4. For electrodeposition by dc methods, the metals deposite uninterrupted and the particles were also embeded uninterrupted into the coatings ; for electrodeposition by pc method, the particles with biggish volume were desorbed from the coatings and returned to the electrolyte again owing to the presence of pulse interval ; for electrodeposition by prc method, the particles carried positive charges are much more easy to desorb from the coatings owing to the effecf of reverse pulse current combined with pulse interval, in addition, the reverse pulse current also could dissovle the metals, further accelerates the desorption of particles, thus the particles size embeded in the coatings by prc method is the least

    電沉積時,基質金屬的沉積連續進行,粒子在電極表面不間斷嵌入鍍層;單脈沖電沉積由於脈沖間歇的存在使得具有較大體積的粒子會脫附,重新回到溶液中;採用周期換向脈沖時,反向脈沖電使表面荷正電的較大的粒子更易從電極表面脫附,同時,反向脈沖電對基質金屬的溶解作用,也會促進粒子的脫附,因此鍍層中復合粒子尺寸最小。隨著鍍層中粒子復合量的增加,三種鍍層的晶粒都明顯細化,說明al _ 2o _ 3的存在止了晶粒的長大,提高了電沉積過程中晶核的形成速率。
  5. There are over 80 sets test apparatus in tech - innovation centre, including : anechoic chamber, vibration tester, vibration measurement analysis, impact instrument, constant temperature and humidity facilities. salt spary test case, circle insulation withstand voltage tester, insulation resistance tester, withstand voltage tester, electric lead tester, electrical leakage tester, earth resistance tester, chassis dynamometer, chassis dynamometer control system, high stability dc resistance tester, electrical capacity tester, temperature rise test system

    中心擁有各類分析測試儀器和試驗裝置80餘臺套,包括:消音室振動臺噪聲振動測試分析系統沖擊儀恆溫恆濕實驗儀鹽霧試驗箱匝間耐壓分析儀絕緣電分析儀對地耐壓分析儀泄露電測試儀對地電測試儀測功機測功機控制系統高精度測試儀電參數測試儀帶電溫升測試儀復合式三坐標測量儀萬分投影儀及電功測試分析系統等。
  6. This paper selects dc double - arm bridge, uses the four - port connection to remove the contact and connection resistances and reduce the electromagnetism interfere. grounding grid conductors fault levels are established during a lot of emulational computations, simulative experiments

    使用雙臂電橋,採用四端鈕連接法,可大大降低現場中電磁干擾及引線電和接觸電的誤差影響。
  7. Traveling cranes, drying furnaces, transformer wiring facilities, transformer automatic inspection machines, pressure meters, insulation resistance meters, ac dc stabilized power sources, memory high coder brightness meters, light meters, film thickness meters, noise meters, hand thermometers

    起重機,乾燥爐,變壓器卷線設備,變壓器自動檢查機,耐壓計,絕緣電計,交穩定性電源,內存快速編碼器亮度計,光度計,膜厚計,噪音計,手指尖溫度計
  8. First, passive resistance network was selected as direct current biasing network, which offered direct voltage for base through the resistance voltage divider composed of two resistances, among them the upper resistance connected from the dc to base, the lower resistance connected from the base to ground. the collector connected with dc directly

    偏置網路採用無源電網路,通過由兩個電組成的電分壓器為基極提供電壓,上偏電從電源串聯到基極,下偏電從基極到地,集電極接加電。
  9. Direct - current resistive volt ratio boxes ; amendment 2

    電壓比例箱.第2次修訂
  10. Direct - current resistive volt ratio boxes

    電壓比例箱.第1次修改
  11. In an ac system with multiple hvdc converters, turbine generators can interact adversely with all the converters through electrical connection, which makes the subsynchronous oscillation more complicated

    並通過對含有多個站系統的電氣尼特性分析,驗證了該指標的有效性。
  12. Torsional interaction exists between hvdc converters and turbine - generators, and negative electrical damping provided by hvdc may cause subsynchronous oscillation ( sso ) that can lead to turbine - generator shaft failure and electrical instability at oscillation frequencies lower than the fundamental system frequency

    高壓輸電( high - voltage - direct - current - - - - hvdc )系統與臨近同步發電機組之間存在著扭振相互作用, hvdc的電氣負尼作用有可能引起機組在次同步頻率范圍的扭轉振蕩。
  13. The elements of the reduced - jacobian matrix are functions of some parameters of the system. for example, effective short ratio, power base ratio, coupling impedance and load flow of the system. for single - infeed hvdc system with a parallel ac line, computer simulations using power system analysis software package ( psasp ) were performed

    用一種簡單的方法可以求得降階雅可比矩陣,由於降階雅可比矩陣的元素都是交混合系統中一些參數的代數函數,如有效短路比、功率基準比、連接抗和系統潮等,因此,矩陣的特徵值也與這些參數相關。
  14. While the smuggler s cigarette boat attempts to escape, a black hawk helicopter dips down to create a giant backwash

    低飛的黑鷹升機產生強大氣截走私快艇。
  15. Standard test method for resistance to airflow as an indication of average fiber diameter of wool top, card sliver, and scoured wool

    用氣力表示羊毛毛條生條和洗凈羊毛的平均纖維經的標準試驗方法
  16. For the bldcm which has a pseudo - sinusoidal back - emf waveform, this dissertation presents a svpwm control method using six discrete position signals for minimizing the torque ripple. the main aspects for the implementation of this method are analyzed, including the initial orientation of the voltage vector, reasonable choice of the impedance angle and the advance commutation angle, and estimation of the successive rotor positions

    針對反電動勢類似正弦的準正弦波反電動勢無刷電動機,本文提出一種基於六個離散位置信號的自同步svpwm (電壓空間矢量法)控制方法,用以削弱電磁轉矩脈動,分析了實現這種方法的主要控制環節,包括起動時電壓空間矢量的初始定位,抗角與電超前角的合理選擇以及連續轉子位置的估計等。
  17. Electrical safety in low voltage distribution systems up to 1000 v a. c. and 1500 v d. c. equipment for testing, measuring or monitoring of protective measures - resistance of earth connection and equipotential bonding

    不超過交1000v和1500v的低壓配電系統電氣安全性.防護測試測量或監測設備.接地和等勢屏蔽接地
  18. Electrical safety in low voltage distribution systems up to 1000 v a. c. and 1500 v d. c. - equipment for testing, measuring or monitoring of protective measures - part 4 : resistance of earth connection and equipotential bonding

    1000v交和1500v的低壓分配系統的電氣安全.防護測量的試驗測量和監測設備.第4部分:地面連接和等電位連接的電
  19. After thermodynamic calculation on several operation conditions of the furnace, cold - state flow and resistance mensuration, the combustion of the tubular - furnace hearth was changed into swirl and addition of radiate cylinder and oxygen content detection minish 1. 25 surplus air to less than 1. 15, improving the combustion condition and convection and radiate heat transfer efficacy, resuling in reducing the waste - gas temperature 45, decreasing exhaust gas loss, and saving fuel by 6 %

    摘要通過對加熱爐幾種工況進行熱力計算、冷態試驗的場分佈及力測定和熱態試驗的爐膛溫度場分佈及管壁溫度等參數的測定,確定將管式加熱爐爐膛內燃燒改為旋場燃燒和增加輻射筒,增設煙氣含氧量分析,可以將燃燒的過剩空氣系數從1 . 35減小到1 . 15以下,極好地改善爐膛內的燃燒狀況和對輻射傳熱效果,從而降低排煙溫度45 ,減少加熱爐排煙損失,節約了煤氣量6 %以上。
  20. Standard test method for d - c resistance or conductance of moderately conductive materials

    中等導電材料直流阻抗或導電性的標準試驗方法
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