環形放電 的英文怎麼說
中文拼音 [huánxíngfàngdiàn]
環形放電
英文
ring discharge- 環 : Ⅰ名詞1 (環子) ring; hoop 2 (環節) link 3 (姓氏) a surname Ⅱ動詞(圍繞) surround; encircle;...
- 放 : releaseset freelet go
- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 環形 : annular; ringlike; ring form; bight; annularity環形癌 annular carcinoma; 環形電路 [訊] loop circu...
- 放電 : [物理學] (electric) discharge; electro-discharge; discharging
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A number of metal cirque electrodes surround equidistantly outside the glass discharge tube, acting as preionization electrodes
在玻璃放電管的外表面緊密套上若干圓環形電極,作為預電離電極。In the work, it was systemically studied that the effects of two suggested modifying ways on electrochemical characteristics of lithium metal electrode and its behaviors in lithium cell. finally, the action mechanisms of these two modifying ways were analyzed. through the study on pretreatment effects of different cyclic ether on lithium electrode, it was found that 1, 4 - dioxane ( doa ) and 1, 3 - dioxolane ( dol ), both could form a favorable passivating sei film on lithium electrode surface through
研究不同環醚對鋰電極的預處理作用發現, 1 , 4 -二氧六環( doa )和1 , 3 -二氧五環( dol )對金屬鋰電極的表面預處理均可以在金屬鋰表面形成一層良好的sei鈍化膜,對鋰金屬電極起到了保護性作用,使鋰電極具有較小的界面阻抗,有效地提高了金屬鋰電極的充放電循環效率,改善了鋰金屬電極在循環過程中的表面形貌;而doa和dol對金屬鋰電極的表面預處理,不會明顯的影響鋰電極的動力學性能。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。During ion source operating, alternating axial magnetic field and azimuthal electric field in discharge tube ionize hydrogen gas purified by hot palladium pipe, and form plasma, hi fifties year, research reports studied on rf ion source are numerous however most of them are concerned about application, and research reports relevant to discharge theory or experiment model are unfrequent
離子源工作時,放電空間交變的軸向磁場和渦漩電場激發放電管中經鈀管純化后通入的氫氣電離,形成等離子體。 50多年來,關于高頻離子源的研究報告很多,但是,這些研究主要都集中在應用研究方面,有關高頻無極環形放電離子源的理論與實驗模型研究不是很多。Three phase dry type power transformer, which make it with those features : safety, reliability, and energy saving, fireproof, flameproof, simple maintenance etc., the design is advanced ; the structure of products is reasonable and the outline is fine, the main performances of the products are much better than the national standards, for example, partial discharge level no - load loss, on - load loss, noise level, it is adaptable for application on heavy humidity and severely pollute places which are near to lake, sea and rive, as well as, high demand - fireproof, heavy load capacity place, such as : high building, airport, station, port, underground, hospital, electrical power station, metallurgy, shopping center, residential area and petroleum chemical industry, nuclear power station, nuclear - powered submarine
非包封線圈三相干式變壓器,具有安全可靠節能防火防爆維護簡單等優點。其設計先進結構合理外形美觀。主要性能指標均優于國內標準,如局放水平空載損耗負載損耗噪聲以及能適應高溫度環境使用等,可安裝在靠近湖海河邊污穢潮濕的環境及防火要求高負荷較大的地區,適用於高層建築機場車站碼頭地鐵醫院電廠冶金行業購物中心居民密集區以及石油化工核電站核潛艇等場所。A significant suppression of phase transitions and lattice changes during cycling is occurred for ti - doped materials, and a decrease of interface reaction activity between the cathode and electrolyte is also demonstrated for ti - doped cathodes. as a result, the capacity losses, which are originated from structural changes and interface reactions during cycling, decrease and thereby cycling life increases for ti - doped materials
摻欽后,電極材料的離子分佈形式發生變化,引起材料結構中的化學鍵產生變化,電極材料充放電過程中的結構相變得到有效抑制,結構變化相應減小,電極材料在高電位下的界面反應活性也減弱,從而減小了由結構變化和界面反應引起的容量損失,改善了電極材料的充放電循環性能。There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor
本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調速器的機械液壓隨動系統具有步進電機電液轉換元件,採用五相反應式步進電機,根據其驅動特性設計了變頻調壓驅動器,實現plc與步進電機驅動器之間數字介面。On the basis of analyses of swot, the paper discussed the management strategy, which is the strategy to promote the new product development and improve company core competitive edge through the participation of suppliers. this paper settled the questions that how to grasp the opportunity given by appliance, automobile and information industries, how to use the resources to develop the new products, which time is the perfect time to promote the new product to market and how to raise product market sharing ratio
通過對工程塑料生產企業進行了內、外部環境下的swot分析,探討了工程塑料行業內企業在我國加入wto后如何提升企業的產品競爭能力,抓住在家電、汽車、信息產業迅速發展給工程塑料行業提供的發展機會,充分利用企業的資源,通過供方參與的形式以加快企業新產品的研發,通過對新產品投放時間策略的研究,將新產品適時地投入市場,滿足快速增長的新市場的需求,提高abs類產品的市場佔有率等實際問題。The charge and discharge performances of different composites were studied by the charge and discharge ; the structures of composites were characterized by sem ; the electrochemical properties of sulfur positive materials were characterized by cyclic voltammetry and eis. we studied the charge process, discharge process, charge - discharge efficiency, self heat, and self - discharge of lithium - sulfur system on system shuttle constant, conduct the mechanism of these processes and simply analyse them
以充放電技術研究了不同類別復合正極的充放電性能;以掃描電鏡技術觀測了復合正極的表面形貌;以循環伏安技術和交流阻抗技術研究了復合正極電極的電化學性能;並初步探討了鋰-硫電池體系中充電過程、放電過程、充放電效率、自熱和自放電等對體系飛梭常數的影響,推導了這些過程的機理並簡要的進行了分析。Mass fly ash which is produced by coal combustion power plant has badly polluted entironment and wasted resource
燃煤電廠排放的大量粉煤灰已對生態環境形成了嚴重的污染,並造成了資源的極大浪費。Hong kong cinema has always been as integral part of chinese cinema, but, because of political and ideological reasons, chinese film historians had often neglected hong kong. such indifference enjoyed a reversal in recent years, when a new interest in hong kong films was found, with quite a number of books published on various aspects. conversely, hong kong film critics had also been resistant to establishing ties to the grand historical traditions of china, working hard to formulate an independent local indigenous perspective
香港電影本來就應該是中國電影的一個重要組成部份,只是由於政治環境和意識形態的分歧,中國電影史學者從來不把香港電影放在眼裡,直到近年,內地才興起一股香港電影熱潮,坊間亦出版了不少論述香港電影的書籍反過來說,香港電影評論界也往往抗拒與中國歷史的大傳統扯上關系,努力建構一種獨立的地方觀點,香港國際電影節歷年來的香港電影回顧部份倒在這方面做了不少工作,如早年的戰后香港電影回顧1946 - 1968 1979戰后國粵語片比較研究朱石麟秦劍等作品回顧1983香港電影的中國脈絡1990香港上海:電影雙城1994等。This luminaire is of the advantages of compact construction, good corrosion - resistance charactor, high protection grade suitable for various in stallation method, specially used in power explosive dangerous location with the light source of high stress gas discharge lamp, also suitable for corrosive gas and moisture environment
燈具結構緊湊,耐腐蝕性好,外殼防護等級高,適應多種安裝形式,是粉塵爆炸危險場所專用的高強度氣體放電防爆燈,也適用於腐蝕性氣體環境,潮濕環境等場所使用。Figure 9. preparation prior to launch of radiosonde the auss is equipped with a circular tray which holds up to 24 radiosondes. the radiosondes are released three times a day 8 a. m., 2 p. m. and 8 p. m. local time according to a pre - set schedule
自動高空探測系統內置有環形貯存裝置,可存放24個無線電探空儀,並按照電腦輸入的預設時間,每日分別在三個時段香港時間上午8時下午2時及晚上8時順序發放。A good electrochemical capacitance performance were proved by the tests due to that the three dimensional nanotube network of tio2 and thus will be one of approach for economizing the noble metal ruthenium
以xrd 、 tem對其進行結構與形貌表徵,以循環伏安、恆流充放電以及交流阻抗測試對其進行電化學性能測試。Cyclic voltammetry ( cv ) and charge - discharge analysis also indicated that the full sei film formed on the surface of the mesocarbon microbead ( mcmb ) anode material in the first cycle
循環伏安和充放電研究進一步表明,介穩相石墨碳微球負極材料表面在首次充放電過程中就形成了完整的sei膜。There is 148mah / g theory capacity in spinel limn2o4, which has lots of advantages, such as synthesize method is simple, the price is low, and is friendly to environment. the spinel limn2o4 is perfect substitution of li - ion batteries cathode. but now it has not been commercialized because its capacity fades during the cycle of charge - discharge
Limn2o4具有尖晶石結構,其理論放電容量達148mah / g ,由於制備工藝簡單、價格低廉、對環境友好等,是一種很有應用前景的鋰離子電池正極材料;尖晶石limn2o4正極材料在充放電循環過程中由於錳元素的溶解、晶格發生jahn - teller變形和電解液的氧化分解,使得容量衰減較快,至今未能商業化。The morphology examination by sem and tem showed that the carbon nanotubes were arranged in the array uniformly and paralleled, with smooth walls, the outside diameter of 120 nm and the inside diameter of 110 nm. from the cyclic voltammetry, the array electrodes in an acidic electrolytic solution had greater capacitance than the case in a neutral electrolytic solution. the specific capacitance of 365 f / g was achieved with the discharge current density of 210 ma / g in the solution of 1 mol / l h2so4
掃描電子顯微鏡和透射電子顯微鏡對碳納米管陣列電極的形貌表徵表明碳納米管形狀規整,排列有序,尺寸均勻,管壁光滑,外徑約為120nm ,內徑約為110nm ;循環伏安實驗表明mwnts陣列電極在酸性溶液中比在中性溶液中具有更好的電容性能;根據恆電流充放電法得出mwnts陣列電極在1mol / lh _ 2so _ 4水溶液中,在210ma / g的放電電流密度下的比電容可達353f / g ,比目前報道的無序碳納米管和活性炭電極的比容量都高得多;其它電化學實驗顯示該電極具有很低的內阻和良好的充放電循環穩定性。His system has four miniature speakers and four tiny microphones set in a ring around the computer fan
他的系統是由4個微型的喇叭和4個小型的放成環形的繞在電腦風扇邊的麥克風組成的。It was found that the defects were formed and the conductivity increased with the addition of co, which improved the diffusion of proton and inhabited the formation of y - niooh. the electrochemical capacity of the electrode with cobalt additives changed slightly after 206 cycles. the electrode can exhibit excellent high - rate discharge performance, the capacity discharged at 6c ( 1800ma / g ) can reach to 77. 7 % of which discharged at 1c condition
在納米ni ( oh ) _ 2電極中加入鈷和鋅添加劑,並全面地分析了它們對電極性能的影響,發現加入鈷添加劑后增強了電極的導電性,形成雜質缺陷,更有利於質子的出入,同時抑制- niooh的形成,提高充放電效率和循環穩定性,電極在經過206個循環后變化甚小;電極的倍率放電性能相當出色,在1800ma g ( 6c )的大電流放電條件下,依然能放出1c的77 . 7 ;在鈷的添加方式中,以co和coo混合添加的效果最佳。Based on 0 - d core physics model, the core parameters of low, moderate and high aspect ratio are calculated by system code. in addition, an advanced plasma configuration for fds system has been proposed, which aims at high beta, high bootstrap current and good confinement. in order to determine the feasibility of fds operation, a two - dimensional time dependent free boundary simulation code has been adopted to simulate time - scale evolution of plasma current profile and boundary position
在建立零維堆芯物理模型基礎上,利用系統分析程序計算了堆芯物理參數,分析了fds -標準環徑比情況的先進運行模式,並對其位形演化進行了放電模擬,獲得比較滿意的結果,為fds -系統概念設計奠定了基礎。分享友人