極性開關 的英文怎麼說
中文拼音 [jíxìngkāiguān]
極性開關
英文
polarity switch-
The limitations from society, phycology and working enviroment give rise to the lose of editors " rights and the innormal development of culture, so the crux of effective editorial activity and communication is to hold editors " subjectivity high, to fully arouse editors " enthusiasm
中國古代編輯者受到來自社會、心理、工作環境等方方面面的限制,造成了編輯權利的喪失與文化的畸形發展。因此,高揚編輯主體性,充分調動編輯者的積極性、創造性是開展有效的編輯活動、傳播活動的關鍵所在。Wiring at switch connected up with incorrect polarity
開關掣的極性接駁錯誤。It is found that, under large cross - correlation intensity, a succussive switch process ( i. e. " on " " off " " on ", which we call reentrance transition or twice switch ) is occurred with the increasing of noise intensities, and there exists a critical noise intensity at which the mfpt of the switch process is the largest
此時的mfpt隨著這些波動的強度的變化也不再是單調的,而是出現了一個極大值。由於這個極大值的出現,使得隨著波動性的增強會出現一個「雙開關」現象:基因的狀態由「開」到「關」 ,然後又回到「開」 。The result was useful information. during the pra research, local participants in the survey were encouraged through innovative means such as group discussions, games and a ballot box. together with their facilitators, they formulated the local geographic outline, charted the division of labor between genders per day and season and discussed the major problems and solutions they are faced with
本次調查方法多樣,對農戶關鍵人物及關鍵機構訪談主要通過半結構的開放式談話獲取信息,而在參與式調查中,通過分組討論做游戲票箱法等新穎方式充分調動參與者的積極性,使他們與主持人共同繪制了當地輪廓圖男女分工圖24小時生活歷季節歷,共同探討了農牧戶生產中面臨的主要問題及其解決方法。It deals with our country ' s situation, the present of the old aged population, the measure to carry the old aged political socialization. it considers that is the economic base to safeguard the old people ' s lawful interests, to solve their living difficulties, the community is the principal way to advance the old aged political socialization ; relaying the community to arouse the masses to help respect and love the old people is the social base, to strengthen the management to ensure the funds throwing is the key question, to train old aged personnel is the main assortment, to arouse the enthusiasm of the masses and the old people is the good measure, to promote the socialization must be helped by the public opinion, the first to built the community management system to help the old people with their life, the second is to organize the community ' s cultural and physical activities, the third is to help the old people to resist the feudalism
認為:維護老齡人口的合法權益,解決他們生活中的實際問題,是促進老齡人口政治社會化的經濟基礎;社區是促進老齡人口政治社會化的主要通道和平臺;依託社區,發動城市居民參加志願者助老服務隊伍,營造尊老敬老氛圍,是促進老齡人口政治社會化的社會基礎;加大監管力度,確保資金投入的效果,是促進老齡人口政治社會化的關鍵環節;開展系統的專業培訓,提高老齡工作隊伍素質,是促進老齡人口政治社會化的重要保證;調動社會各方力量以及老年人自身的積極性,廣泛參與和支持,是促進城市老齡人口政治社會化的重要措施;促進老齡人口政治社會化,要加大輿論的引導和支持;促進老齡人口政治社會化的切入點一是建立社區老年思想政治工作機制,把思想政治工作滲透到社區管理、社區服務、治安聯防、老年學校、鄰里互助、解決老年人生活困難等多種形式的活動中去。All analysis and simulations results indicate several methods improving the insulation recovery of spark gap switch : ( 1 ) using the gas with good thermal conductivity, such as h2 and sf6 ; ( 2 ) using the gas flow ; ( 3 ) utilizing the v / p cure ; ( 4 ) modifying the geometry and size of the electrode ; ( 5 ) using the gas with good electronegativity, such as sf6. some experiments on the multi - pulse operation of high power spark gap switch are carried out. the insulation recoveries of switch without and with gas flow are both investigated
結合理論分析和模擬結果,提出了氣體火花開關多脈沖運行特性可採用如下方法: ( 1 )使用導熱性能好的氣體,如h2 、 sf6等; ( 2 )採用吹氣的方法; ( 3 )增大氣壓,在電極表面增加細小結構,構造平穩的v / p曲線; ( 4 )改良開關電極結構和尺寸,採用奶頭-半球結構的電極; ( 5 )使用電負性強的氣體作為開關絕緣氣體,如sf6 。Conventional hard switching technology has several flaws below : on and off loss, inductive off, capacitive on and diode recover problems. comparing with it, the loss of on and off decreases markedly, as the switches are on and off in zero voltage or zero current cases. and also the size of converter becomes smaller because of the higher of switching frequency
傳統硬開關技術由於存在開通關斷損耗大、感性關斷、容性開通、二極體反向恢復等問題,與之相比,軟開關技術在零電壓或零電流條件下導通,開關損耗明顯降低,加上開關頻率的提高使得變換器的體積得以減小,這也是軟開關技術受到青睞的原因。This valve uses the packing structure with the ability of self - seal, needs no constant adjustment, features very light open and close and a reliable seal an assisting sealing grease injection structure is set in the packing to have the sealing performance absolutely reliable and get a true null leak, settling the problem for the packing place of universal valves to be easiest leak outward
本閥採用帶自密封能力的填料結構,無需經常調節,開、關極為輕便,且密封性可靠,填料函處設有輔助密封油脂注入結構,密封性能絕對可靠,真正達到零泄漏;解決了通用閥門填料處最容易外漏的蔽病。According to the working principle of thermo - electrode, we demonstrate the structure of enlarged reflection area and the structure of step broaden waveguide to improve the switch ' s performance and bring down the driving power. according to the fabricating condition of our lab, we proposed simple wet - etching method to fabricate the oversized waveguides and peeling - off method to fabricate the electrode
針對全內反射和熱電極的作用特點,在全內反射型熱光開關的設計中提出了擴大反射區結構和漸變展寬結構,理論模擬和實驗結果表明該方法能有效地提高了開關性能,降低了驅動功率。The presented thesis studies the gas discharge of lab6 electrodes, the paper analyses the impacts of gas press and electrodes separation on the ignition voltage and voltage drop, and makes low gas pressure, lower than 10pa, discharge switch tubes, with gas of helium and nitrogen, electrodes gaps of 5mm. the paper studies the tubes ’ discharge performances, and the impacts of discharge process on the electrodes
分析直流工作條件下,以氬氣、氮氣、氦氣為工作氣體時,氣體的壓強、極間距對著火電壓和管壓降的影響,並製作低氣壓( < 10pa )下的氣體放電開關管(放電氣體為氮氣和氦氣,極間距為5mm ) ,研究其在直流和脈沖下的放電特性,以及放電過程對電極的影響。At turn - on, the diode can be considered an ideal switch because it turns on rapidly compared to the transients in the power circuit
在導通時,與功率電流的瞬態特性相比二極體可以視為理想開關。Here are some references for nrqcd & nrqed : renormalization group scaling in nonrelativistic qcd on the multipole expansion, the qcd heavy quark potential to order v * * 2 : one loop matching conditions on matching calculations
11下面是非相對論性量子色動力學和非相對論性量子電動力學的一些參考資料:關于多極展開的非相對論性量子色動力學中的重整化群定標,關于匹配計算的v * * 2階的量子色動力學重夸克勢:單圈匹配條件。The paper mainly focused on the beam transport part of asipp key laboratory of ion beam bioengineering and it ' s component elements, for example, van de graff accelerator, bending magnet, magnetic quadruple lenses, beam shutter, collimator and so on. the laboratory has performed the milestone achievement that is beam passed the hole of lo ^ m diameter in experiments. many experimental results are discussed by theories according to experiments
本文重點討論了中科院離子束生物工程學重點實驗室單粒子束裝置的束流傳輸部分,對主要部件進行了詳細的討論,如:靜電加速器、偏轉磁鐵、磁四極透鏡、束線開關、瞄準器等,實驗中已取得束流穿過10 m小孔的標志性成果,並運用相關理論結合具體實驗分析了實驗結果。High frequency switching technique is becoming more popular in the power electronics area, the high frequency power transistors are applied in the buck - boost type chopper system. the characteristics of power mosfet and insulated gate bipolar transistors ( igbt ), some new kinds of power swithing devices, are deeply studied
高頻開關技術是當今電力電子技術發展的方向,本文研究的buck - boost斬波系統中採用了高頻功率器件,所以本文對新型開關器件? ?功率mos場效應管[ mosfet ]和絕緣門極晶體管[ igbt ]的特性進行了初步研究。This thesis pays key attention to the achievements the reform of position - pay has attained, such as pay factor became more competitive ; carrying out of a series of distributing system and matched management system standardizes the pay system, promotes the openness of distribution system ; the formation of position - based pay system strengthens the all basic works, pushes forward the development of human resources ; forms the adjustable system of pay and inner competitive, flexible system, etc. however, there are a lot of inadequacy existing in the position - pay system of bayi corporation, the basic work of position - pay system is still not solid ; performance appraisal system is not sound ; performance wages go only with decrease but no increase, which became the new egalitarianism and hard to motivate the zeal of employee
本文重點分析了崗薪制改革取得的成效,如薪酬競爭力有了很大的提高;一系列相關分配製度和配套管理制度的實施,規范了薪酬的管理,提高了分配製度的透明度;形成了以崗位為根本的薪酬體系,加強了各項基礎工作,推動了人力資源的開發;形成了薪酬的可調節機制和內部競爭、流動機制等。但是,八鋼公司的崗薪制體系也存在很多不足,如崗薪工資的基礎工作仍不扎實;績效考核體系不健全;績效工資只減不加,成為新的「大鍋飯」 ,難以調動職工的積極性等。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。In this part, the high - frequency series inverter with resonant pole capacitor is introduced mainly. the current - exchanging processes of the inverter in different working modes are analyzed, how to reduce the switching loss is discussed, and the calculating methods of snubber capacitor c, factor angle switching frequency and pulse width pw are given in optimum switching process. and results of simulation and experiment verify the validity of theoretic analysis
接著重點研究了含有諧振極無損緩沖電容的逆變器,對其換流過程中的不同工作狀態進行分析,討論了如何減小逆變器的開關損耗,給出了最佳工作狀態下緩沖電容c 、感性角、開關頻率、觸發脈沖的脈寬pw的詳細計算方法,並通過大量的模擬和實驗波形證明了理論分析的正確性。The parasitic parameters of the encapsulated pin diode must be tuned because they do great harm to the switch performance
封裝pin二極體的寄生參量對開關的性能影響很大,必須對寄生參量進行調諧。As a new kind of motor, switched reluctance motor ( srm ) has a doubly salient structure, and its windings are only mounted on the stators. these characteristics bring srm lots of virtues : solid structure, high reliability and efficiency, good fault - tolerance, low cost etc. switched reluctance driver ( srd ) combined srm with modern power electronic technology and control technology
開關磁阻電機( srm )作為調速電動機的新品種,採用定、轉子雙凸極鐵心結構,並且只在定子上裝有集中繞組,轉子上無繞組或永磁體,具有結構簡單堅固、運行可靠、效率高、功率變換簡單、容錯性好和成本低等優點。To improve the performance of the system, some methods are introduced, such as photoelectric brightness modulating, amplification of the photoelectric ac signal and filter design. the circuitry of the demodulator is also presented. this work lays solid foundation for the future system integration
最後,介紹了數字式加速度計的參考電路設計,其中重點介紹了數字式再平衡迴路的設計,包括脈寬調制、恆流源、極性開關等電路的設計。分享友人