current-on contact 中文意思是什麼
current-on contact
解釋
開關觸點電流-
Prof galea said the researchers needed to interview more people before the current phase of the project ended, in november, and called on any survivors living in britain to contact the team
加里亞表示，研究計畫的這個階段將在今年11月結束，在此之前，研究人員需要訪問更多的生還者，因此他希望現居英國的雙子星大廈生還者都能和他的研究團隊聯絡。 -
After expounding the power supply and current collection modes of the rolling stock in shanghai umt pearl line in terms of technology and economy, the author argues that two current collection modes shall be adopted for shanghai umt pearl line, i. e. a third rail collector be on skybridge while the overhead contact line on the ground
摘要闡述了城市軌道交通車輛供電受流方式的特點，並從技術和經濟兩方面對上海明珠線車輛供電受流方式進行了探討，提出了明珠線車輛應採用雙受流方式，即高架橋上採用接觸軌受流器受電，地面採用架空接觸網受電弓受電。 -
The axial magnetic field distribution on center surface of contact gap and contact piece are calculated when the current is at peak. it can be found that the intensity of axial magnetic field and radial magnetic field uniformity are strengthened after the iron core is put into, this helps to improve the stability of the vacuum arc
計算了電流峰值時觸頭間隙中心平面和觸頭片上的縱向磁場分佈，可以看出加入鐵芯后縱向磁場強度和徑向磁場均勻性增強，這有利於提高真空電弧的穩定性。 -
The main job of this research is : ( 1 ) analyze the operation situation of power system during faults ; pay attention to the traveling wave on the three - phase transmission line ; study the equation of voltage on three - phase transmission line with impedance capacitance coupling between phases ; contact the voltage on any point with the fault voltage, study the singularity of the voltage signal in fault point, and make it to be the base of the new fault detection method ; ( 2 ) apply the singularity detection theory based on wavelet analysis to the power system faults detection, give a complementary criterion to current fault detection criterion, study how to select the basic wavelet, how to filter noise, how to detect the singular point or fault point, and finally give a total solution. the simulations prove it to be a quick, correct and effective fault detection method
本文的主要工作有： （ 1 ）分析電力系統在發生故障時的運行狀態，尤其對三相傳輸線上的故障行波進行了分析和研究，推導了考慮相間耦合的三相傳輸線電壓方程，並將傳輸線上任一點的電壓與故障點電壓建立起聯系，得出了傳輸線上電壓信號在故障點處的奇異性，並以此作為構造新的故障檢測演算法的理論基礎； （ 2 ）將基於小波變換的信號奇異性檢測理論運用於電力系統故障檢測中，針對目前相關研究的不足，提出了電力系統故障檢測判據的補充判據，通過對基本小波的選擇、除噪措施、信號奇異點也即故障點的檢測方法所作的分析，給出了一個可行的解決方案；模擬研究表明：這是一個快速、準確、有效的故障檢測演算法。 -
Research on surface and grain boundary passivation mechanism obtained effects of surface recombination on crystalline silicon solar cell performance and the theoretical expression of grain boundary recombination velocity. the limit ratio of short - circuit current increment for anti - reflection coating utilization on solar cells was obtained. the crystalline silicon solar cell spectral response, contact resistance and minority carrier lifetime measurement systems were established
鈍化機理研究獲得了表面復合對不同表面摻雜濃度晶體硅太陽電池性能的影響、表面和界面復合速度的理論表達式；研究得到了減反射膜對太陽電池短路電流增量比的極限；建立了太陽電池光譜響應、柵線電極接觸電阻和少子壽命等測試系統。 -
The epitaxial struture for ld is an ingaas / gaas / algaas ssqw grin sch structure and the width of the array bar ia 4mm. the low theshold current 2. 9a the output power 20w at 17. 5a have been achieved by sioi isolation, ohmic contact and facet coating processes. the central wavelength is 979nm. at the same time, model analyses on the structure of the ssqw ld and the fabrication processes have been made for further research
激光器的生長結構採用ingaas / gaas / algaas分別限制應變單量阱線性緩變折射率波導結構，列陣條寬為4mm ，通過sio _ 2掩膜，歐姆接觸和腔面鍍膜等工藝，實現了閾值電流為2 . 9a ，驅動電流為17 . 5a時輸出功率為20w 。 -
The integral method is adopted caculate and analyze to amf three - dimension distruction which is the structure of coil type four - pole and the structure of coil type double - pole and study the size of two kind of electrode structure axial magnetic flux density distribution and its fielduniformity. the finite - element method is used simulate that eddy current has effect on amf when contact tray of douple - pole amf structure is slotted or no
本文採用積分方法對本文設計的線圈式兩極縱向磁場觸頭結構和線圈式四級縱向磁場觸頭結構的縱向磁場三維分佈進行了計算分析。研究了電弧燃燒期間兩種觸頭結構縱向磁場強度的大小、均勻性，利用有限元法模擬線圈式兩極縱向磁場觸頭結構的觸頭盤開槽和不開槽時渦流對縱向磁場的影響。 -
Cd1 - xznxte single crystal with good crystallinity has been grown by the descending ampoule with rotation method - before this, high - purity cd1 - xznxte polycrystal materials have been synthesized from 6n gd zn te in the same ampoule. on the basis of this, we deeply explore method of detector fabrication. and we also studied the level and density of traps in detector. gold, indium and c have been deposited as electrodes on polished and chemically etched surfaces of samples with the sizes from 5 5 1 to 10 10 1. 5mm to compare different contact technologies. the behavior of detector ' s leakage current with temperature and leakage current with time were studied as well as th current - voltage characteristics to deduce the level and density of trap in detectors
我們利用熔體溫度振蕩法在石英安瓿中將6n的單質cd 、 zn 、 te合成多晶原料，用坩鍋旋轉下降法在同一安瓿中生長出尺寸為20 40mm的cd _ （ 1 - x ） zn _ xte晶體。在此基礎上對碲鋅鎘探測器的工藝進行了較深入的研究，製作了厚1 ? 1 . 5mm的探測器，測試了c 、 in 、 au等不同金屬的電極接觸性能，並在國內首次通過測試器件的i ? v 、 i ? t曲線、弛豫特性和電容特性對電阻率、陷阱能級、陷阱濃度進行了分析，同時測得的~ （ 241 ） am源的能譜。 -
The contact resistance reduces to the minimum level of 6. 6 10 - 6. cm2 after annealing for 1min at 900 ; the deposition of ni / au on algan is demonstrated for a good schottky contact performance, the leakage current is at a low level of 10 - 8a
首先，極化效應是iii - n化合物異于其他iii - v化合物的最大特徵，因此對algan / gan異質結極化效應進行了分析。 -
Based on the comprehensive study on contact erosion and massive tests, it is found that the erosion of cb contacts is dominantly depend on the arcing time and breaking current. this paper analyses the mechanism of electrical arc of vacuum circuit breaker and discusses the primary factores. then this paper put forwardes a way to prognosticates the life exepctancy of electrical endurance of vacuum circuit breaker base on the power of arc
本文分析了真空斷路器的燃弧機理，探討了影響真空斷路器電壽命的主要因素，指出了原先以開斷電流作為預測真空斷路器電壽命的方法的不足，提出了改進的以燃弧能量為主要指標的預測方法。 -
After discussing the theoretical basis for a designing method of cam mechanism based on output force ( moment ) characteristics, a new designing method for that mechanism is presented and then, employed for designing a spring actuating mechanism in vacuum circuit breaker with singlephasy single breaker contact which operates under the condition of high - voltage and large - current. the application of this method shows that the cam mechanism designed by using the method presented can completely meet the requirement of output force characteristics for the mechanism and, furthermore, the performance of the mechanism is remarkably better than that of similar mechanisms designed by using conventional methods
介紹了一種按輸出力（力矩）特性曲線設計凸輪機構的新方法.闡述了這種設計方法的理論依據，並將這種設計方法應用在高電壓等級、高工作電流單相單斷口真空斷路器的彈簧操動機構中.結果表明：用這種方法設計的凸輪機構完全能滿足機構所要求的輸出力特性的要求，且機構的性能明顯優于用傳統方法設計的機構 -
It emphases the selection of secondary voltage of the step - down transformer, the control and protection of thyristor, the calculation of compensation capability and group capability, the technique of cross - zero switched on / off capacitors or reactor, the solution of avoiding possible resonance in switching on / off groups of capacitors or reactor and the measure of the best time to switch ( including the design of the computer survey and control system, instrument deliver system, delay operate and protect system ). although thyristor as a no - contact switch can avoid almost the problem of contact switch with contact, it can not solve the over - voltage, over - current and transient process itself as switching on / off capacitors or reactor. so we must develop a set of thyristor - switched control and protect system with great reliability so that it can realize of cross - zero switching on / off capacitors or reactor at any time
晶閘管具有過零、動作快速的特點，本研究以晶閘管為電容器和電抗器的分組投切開關，重點研究了協調變壓器二次電壓的選擇、晶閘管觸發控制及保護、動態補償容量及分組容量的計算確定、過零投切電容器和電抗器技術的實現、以及分組投切電容器和電抗器可能發生諧振的處理計算方法，給出實現最佳補償投切選擇方法（測控系統、儀表變送系統、操作和保護系統的設計步驟） ，研製了一套高可靠性晶閘管觸發控制及保護系統，實現對無功的靜止可調補償。 -
This paper just start from abs ’ concept, operation process and participation main body, contact with abs ’ develop process and it ’ s develop current in our nation, analyzes on the likely risk and risk control measure during the handle process of asset - backed securities, then find the embarrassment and bepuzzlement in our nation ’ s asset - backed securities actualize process, and give out corresponding advice
對此，本文從資產證券化的定義和金融特徵入手，分析了其融資方式與參與主體，進一步聯系國內外資產證券化的發展過程及我國資產證券化發展的現狀及趨勢，之後針對資產證券化的參與主體進行了風險及風險防範措施的研究。 -
A continuous on - line monitor for volume deformation of cement - based material under multi - environment has been developed, which is designed with the environmental simulation technology, micro - distance measuring technology of laser and eddy current and the transmission agent and then realizes the automatic non - contact monitoring of the deformation of multi - group samples under multi - environment, furthermore, it is suitable to test the early - age deformation of the samples with the moulds self - designed
摘要開發出一種多環境下水泥基材料體積變形在線監測儀，本儀器採用環境模擬技術，激光、電渦流測微技術及傳動系統，實現在多環境下，對多組試件進行非接觸式變形自動化監測，並利用自行設計的模具，可對試樣進行帶模測試使其適合早期體積變形測試。 -
To reduce the high starting current as asynchronous motors start up directly and eliminate the negative influence that brought about by switching of contact when it starts up with reduced - voltage means, two new methods based on power electronics technology for improving the starting characteristics of three - phase induction motor are presented. one is alternative voltage regulator, the other is alternative voltage chopper. the three - phase regulating circuit - asynchronous motors system and the three phase chopper circuit - asynchronous motors system are analyzed and simulated with matlab
為解決上述問題，本文提出一種基於斬波方式的三相交流異步電動機的軟起動新方法，論文對電路的起動特性、功率因數、諧波以及控制策略進行了研究，模擬結果表明這種基於斬波方式的三相交流異步電動機的軟起動方法比基於三相交流調壓的三相交流異步電動機的軟起動方法具優越性。 -
The calculation to the eddy current on the contact surface and axial magnetic field of contact surface and center surface of contact gap are carried out while the current is at zero. after the iron core of ring type is put in, the eddy current on the contact surface will be increased, the axial magnetic field that the eddy current creates will be also increased
對電流過零時觸頭表面的渦流和觸頭表面及觸頭間隙中心平面上的縱向磁場進行了計算，加入圓環型鐵芯后觸頭表面的渦流增大，渦流產生的縱向磁場增大，在鐵芯中開槽后渦流的平均水平降低，縱向磁場平均值降低。 -
Researchers then evaluated the association between current wheeze and environmental factors and diet including cooking by gas, foam pillows, cotton quilts, damp housing ( mould on ceiling or walls ), pets, and contact with cats, dogs, or farm animals and consumption of meat, fruit, cooked green vegetables, and raw vegetables
研究人員評估一些環境因素和飲食與哮喘的關系，例如使用氣體燃料煮食、乳膠枕、棉被、潮濕的家居環境（天花或墻壁上的黴菌） 、寵物、接觸貓、狗或農場動物，以及進食肉類、生果、煮熟了的綠色蔬菜和新鮮蔬菜。 -
Hitherto, council s website already included information on council s functions and composition, current members together with a brief description on their occupation profession, date and agenda of open meetings, recent issues of council s annual reports and newsletters, and means of contact of council secretariat
在此之前，本局網址早已涵蓋資料包括有關本局的職能及組成目前成員及其職業專業簡介公開會議的日期及議程最近發布的本局年報及通訊及本局秘書處的聯系方式。 -
The constriction performance of vacuum electric arc at high current levels depends on the contact material and its operational principle. axial magnetic field ( amf ) contacts can prevent the vacuum electric arc from shrinking in the vacuum interrupters
在大電流水平下真空電弧的收縮特性取決于觸頭的材料和工作原理，在真空滅弧室中縱向磁場（ amf ）觸頭能夠阻止真空電弧收縮。 -
Adopting the short circuit electric current of to formate the test prove that this contact turn on and cut off performance. according to ablation situation of contact surface after testing, have analysed that coil type double - pole amf influences electric arc
採用短路電流合成試驗驗證了這種觸頭的開斷性能，根據實驗后觸頭表面的燒蝕情況，分析了線圈式兩極縱向磁場在大電流時對電弧特性的影響。
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