電力抗性 的英文怎麼說

中文拼音 [diànkàngxìng]
電力抗性 英文
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  • : 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...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : Ⅰ動詞1 (抵抗; 抵擋) resist; combat; fight 2 (拒絕; 抗拒) refuse; defy 3 (對等) contend with...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 電力 : [電學] power; electric power電力變阻器 power rheostat; 電力捕魚 electrofishing; 電力潮流 directio...
  1. This product is the newest filming technique, the latest achievement of usa electronic magic, it utilizes decomposition principle of electronic material to form a positive negative ions film on the surface of car coating, which has high water repellency and makes the surface of coat has more than 95 % brightness of mirror surface, lt has preeminent performance on weathering resistance, ageing resistance, oxidation resistance static resistance and wear resistance, with the force of charged ions, this product can easy removes the dirt, water drop acid rain and grease on the surface of the film and perennially and effectively protect coat surface, lt is the fourth generation car beauty and protective product which replaces glaze sealing products

    本品屬于當今最新的鍍膜技術,屬美國子工學魔法的最新成果,它利用子物質的分解原理,在車漆表面生成持有高撥水的正負離子覆膜,使漆面光亮度可達鏡面光澤的95 %以上,並具有超強的耐候老化、防氧化、防靜、耐磨極好的功能,它利用離子的量,可輕松彈去覆膜表面的污垢、水滴、酸雨、油脂等,平時只需清水沖洗,便可立即使之恢復離子效應,達到長期保護漆面的目的,是取代封釉的第四代汽車美容保護產品。
  2. 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,對鋰金屬極起到了保護作用,使鋰極具有較小的界面阻,有效地提高了金屬鋰極的充放循環效率,改善了鋰金屬極在循環過程中的表面形貌;而doa和dol對金屬鋰極的表面預處理,不會明顯的影響鋰極的動能。
  3. The main features of the apparatus are focus on small volume, light weight, no iron core, no magnetic saturation and no ferreous resonance, moreover, related advantages such as the large range of transient and frequency response, excellent electrical magnetic compatibility, oil - free configuration, reliable insulation structure, are all the trends of current transformer in the future. meanwhile, it should agree with the future power gauge and digital, computer, automatic relay protection. it will meet the demand of digital power network

    它具有體積小、重量輕;無鐵芯、不存在磁飽和與鐵磁諧振問題;動態響應范圍大,頻率響應寬;磁干擾能強;無油化結構、絕緣可靠、價格低等優點;是未來流互感器發展的方向,是新一代數字網發展的需要,適應計量和保護數字化、微機化和自動化發展的潮流。
  4. It showed that 73 % increasing of toughness in modified composites was achieved without the reduction of other mechanical properties. sem has showed the periodically interleaved system where the co - continuously connected granular structure occurs layer by layer between each ply and the interlayer was relatively very thin

    鏡分析表明離位改的碳纖維單向布周期增強體系,在每兩層增強體之間都有很薄一層規整的球兩相結構,正是這個獨特的多層結構使其沖擊能大幅提高,而且不會對其他重要的能產生不利影響。
  5. In the past thirty years, digital protection is very popular in the electric power system and come to replace the usual protective devices gradually, for its hardware ' s high integration, resisting interference and software ' s high intellection, easy operation and memory

    在30年來的發展過程中,微機保護以其硬體的高集成度、干擾和軟體的強大智能作用、強有的運算能和記憶功能,而形成一股取代各類常規保護不可阻擋的趨勢,成為系統的首選保護。
  6. Fault location techniques are used to pinpoint location of the fault on a tra - nsmission line. transmission line faults must be located accurately to allow maintena - nce crew to arrive at the scene and repair the faulted section as soon as possible, which can relief the burdens of patrol personnel and reduce the revenue losses due to power outage. the accurate fault location alogrithms play an important role in power system safety, economy and reliability. in this paper, diversified fault location algorithms are summarized. according to the principles of algorithms, they can be classified into two categories : impedence based algorithm and traveling wave based algorithm. based on the analysis and comparission of each algorithm, the corresponding merits and app - lication limitations are presented

    精確的故障定位為現場巡線工作人員及時提供準確、可靠的信息,減輕人工巡線的負擔,同時加快線路的恢復供,減少因停造成的綜合經濟損失,為提高系統運行的安全、經濟和可靠發揮重要的作用。本文總結了現有的各種測距方法,根據測距的原理將其分為阻法和行波法兩大類,對各種演算法的優缺點及適用范圍進行了分析,在此基礎上提出了一種組合的測距方案,並對演算法進行了模擬分析。
  7. Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect

    在實際設計實現中,為提高系統軟、硬體整體穩定和可靠,使用了以下幾種方法: ( 1 )低壓復位、源抖動能、增加時鐘監測路、磁干擾能、散熱等技術; ( 2 )多層pcb設計,線路板結構緊湊,源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多源供; ( 3 )選用表面貼和bga封裝的器件; ( 4 )按照軟體工程的要求進行系統分析,規劃系統框圖、流程分析、模塊劃分,減小了不同模塊的相關,從而最大限度避免了錯誤的發生。
  8. The product is suitable to be used to transmit auto - controlled signal for chemical industry, power industry, gasengineering, petro - chemical industry and mines where explosive risks or the places requiring higher explosion - proof safety exist. it has excellent shielding and anti - disturbance performances

    本產品適用於化工、、煤氣工程、石化、礦山等存在爆炸危險的場合及其它防爆安全要求較高的場合,傳輸自動控制信號纜具有優良的屏蔽干擾能。
  9. The safety of transmission line plays a important role in power system safety it is not only the requirement of ensure supply power reliability, but also the necessary precondition of enhance power system stabilization, to remove faulty line quickly and accurately, also keep non - faulty line continuous work when some transmission line faults current differential protection is a kind of simple, reliable and good - selective protection manner to any variety of transmission lines, power system development needs current differential protection apply to transmission lines, moreover the advancement of electric and communication technology enable current differential protection apply to transmission lines firstly, the paper discusses, analyses the research and application transmission line protection in detail, compare the principle and realistic presupposition of general line pilot protections secondly, because conventional current vector differential protection are influenced easily by load current and transitional resistance, in order to at the same time quicken protection act, the principle and criterion include work characteristic of differential protect based on fault component sampled values are studied, results shows that differential protect based on fault component sampled values excels general vector current differential protection in reliability, sensitivity and anti - saturation of current transformer in addition, synchronous current sampling methods at all terminals of line is analyzed and estimated lastly, the principle and criterion. also device design about current sampling values differential protection based on optical fiber communication, which apply to short transmission lines are concretely investigated,

    基於基爾霍夫定律的流差動保護無論對於何種形式的輸線路都是一種簡單、可靠、選擇強的保護形式,系統的發展使得流差動保護應用於線路保護成為需要,而子、通信技術的發展使得流差動保護應用於輸線路成為可能。首先,本文對目前線路保護的研究和實際應用情況進行了討論和分析,比較了常用線路縱聯保護的實現原理和實現條件及優缺點。其次,針對常規相量流差動保護易受正常負荷流和故障過渡阻影響的缺點,同時為加快差動保護的動作速度,對基於故障分量瞬時采樣值流差動保護的原理、判據、動作特等作了討論和分析,結果表明基於故障分量瞬時采樣值流差動保護在可靠、靈敏度、流互感器飽和方面明顯優于常規相量流差動保護,對流差動保護各端的同步采樣方法和數據通信也進行了分析和評價。
  10. Great intermittent noise, wide variety of impendence along with the load and great attenuation of signals have restricted the further utilization of power line

    但是,線通信通道存在間歇噪聲大、阻隨負載變化大、信號衰減大等缺點,嚴重製約了它的有效利用。
  11. This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller

    本課題在對低壓線的傳輸特和數字調制技術進行分析的基礎上,將通信理論中的直接序列擴頻技術( dsss )用於解決低壓線通信的干擾問題,主要研究內容如下: ( 1 )用通信模擬軟體systemview對dsss技術的通信和干擾原理進行模擬分析,分別對時域和頻域下採用dsss技術前後接收信號的頻譜進行分析,驗證dsss技術在本系統中的可行; ( 2 )由dsss技術對濾波系統的要求,根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波路; ( 3 )用調制解調晶元sc1128和自行設計的濾波器加之輔助外圍路,構造出低壓線載波通信系統,並採用atmel公司的單片機設計了接收和發射路的微控制器; ( 4 )分別對採取干擾措施前後輸入和輸出信號進行對比實驗,並對結果進行分析,驗證了dsss技術對干擾信號的抑制作用。
  12. According to the principle of spread spectrum communication, the anti - interference performance of the technology is discussed and the composition of power line spread spectrum communication is described. based on the spread spectrum technique, a method which is low cost, high communications quality and low bit error for power line carrier communication using single - chip software programming is proposed

    利用擴頻通信原理,分析擴頻通信的干擾特,在此基礎上,闡述了線載波通信系統的基本結構,提出了一種利用軟體編程實現線載波擴頻通信的方法。該方法不增加硬體成本,即能達到提高通信質量、降低誤碼率的目的。
  13. As a result of growing need, in 1999, the research on capabilities of the centrifugal concrete filled thin - walled steel tubular under tension and torsion was started by zhe jiang electric power design institute and the civil engineering department of zhe jiang university

    針對這種情況,本文進行了一系列的試驗及理論研究。 1999年浙江省設計院結合500kv杭東變所工程與浙江大學結構工程研究所合作開展了「離心鋼管砼結構能的試驗研究」 。
  14. The cast basalt pipes owing to an excellent performance of abrasive and corrosion resistance. it may be used as the liner of pipeline for hydraulic pneumatic conveyance of abrasive corrosion materials or slurry. we can offer the cast basalt pipes with nominal diameter of 40mm800mm

    玄武巖鑄石具有極好的耐磨損腐蝕能,可作為化工冶金礦山煤炭等部門氣或水輸送磨損腐蝕物料和漿料的管道系統的襯里。
  15. " field observation of high rock - fill dams and feedback data analysis " and " dynamic analysis of high earth and rock - fill dams and aseismatic measures ", the concepts and methods obtained in the above two consulting items were creative and evaluated by the ministry of electric power as being of international level. the research findings were adopted in such large - scale projects as the tianshengqiao water contral project, ming tombs water control project. dahe water contral project, ming tombs water control project, dahe water control project and lianhua water control project and awarded the second prize of scientific and technical advancement of the ministry of electric power. ( 2 ) the research on the stress - strain correlation of dam construction materials was awarded the second prize of scientific and technical advancement of the ministry of electric power. ( 3 ) the result of the field observation test and computational analysis for the tailing dam improvement project of xuzhou power plant was adopted by the east - china design institute of electric engineering with considerable economic benefit. ( 4 ) the result of the geotechnical test and data analysis of wenfu mine project was applied in the project with considerable economic benefit. ( 5 ) the field observation and data analysis of the kezier reservoir project provided a solid base for ensuring the normal operation and management of the reservoir

    「高堆石壩原位觀測和反潰分析研究」及「高土石壩動分析及震工程措施研究」咨詢項目提出了具有開拓的觀點與方法,經工業部鑒定評為國際先進水平,該兩項成果已應用於天生橋、十三陵、大河、蓮花等大型工程獲工業部科技進步二等獎; 「壩料土動應變關系的研究」咨詢項目獲工業部科技進步二等獎, 「徐州發廠灰壩加固工程勘測試驗與計算分析」咨詢成果已被華東設計院設計采納,工程效益顯著; 「甕福磷石膏渣場工程土工試驗與數值分析」咨詢成果已應用於國家重點工程甕福礦肥基地建設,效益顯著; 「克孜爾水庫工程原型觀測數據庫與資料分析」咨詢項目為水庫運行與管理提供了有保證。
  16. In the system, the low voltage power line is the first signal tunnel without any other relay equipments between customer terminal and substation collector, public telephone line serves as the second signal tunnel between substation and management center computer. as a breakthrough of conventional concept of electricity meter, this thesis initiate a new concept, namely, intelligent power customer terminal ( shortly, customer terminal ), which is developed with spread spectrum plc communication functional and possesses many advanced functions, such as, in addition to electric energy acquisition, guarding against electricity pilfering, preventing wrong connection, protecting malfunction, remote communication ( for example, remote power supply or halt, remote configuration of electricity meter, remote load control, etc ), and so on

    本文首先系統地總結了目前國內外低壓網數據傳輸技術的研究現狀和存在的問題,在此基礎上,從理論上論證了在低壓網上應用擴頻載波數據通信技術的可行和優越,並重點論述了擴頻載波技術線噪聲干擾的機埋;本文提出了一個新穎的基於低壓線擴頻載波通信技術的集中遠抄系統的總體方案,即由用戶終端、集中器和能管理系統所組成的網路系統,其中,用戶終端到配變集中器用低壓線作為通道,中間無需其他硬體中繼設備,集中器到能管理系統用公用話網作為通道。
  17. A system scheme of digital image collection plus spread spectrum communication ( abbreviated as ssc ) is presented in this paper after a full analysis of noise characteristics, attenuating characteristics and impedance characteristics of low - voltage power lines

    本文首先介紹了低壓線的噪聲特、衰減特和阻,然後提出一種數字圖像採集+擴頻傳輸的系統總體方案。
  18. This paper mainly discusses the design principles and chief techniques of a digital accessing system for power - line communication net ( plcn ). the technology of low bit rate speech compression high - speed modem based on plcn adaptive equalization to the channel anti - jamming and anti - fading are applied in this system. so speech tele - control data and tele - protection signals can be transmitted high quality in the band - limited channel

    該系統綜合應用了低比特率語音信號壓縮編碼技術、基於通信網的高速調制解調技術、信號傳輸的通道自適應均衡技術和干擾、衰減技術,可在帶限通道中高質量的傳輸語音、遠動數據和遠方保護等信號,具有較高的整體能。
  19. Based on orthogonal experimental avenue, dmm is manufactured by local po, sa, and phosphorus slag flying ash, yellow slag and ect. and formulate optimum mixture program and production technology requirement ; on basis of jcj70 - 90, physical mechanics property is quizzed, adopting chemical analysis, xrd, sem and so on, discuss composition and structure. the researchable result is that mixture program of dmm : a3b2cl ( cement 403 m2 / kg, phosphorus slag357 m2 / kg, activated agent 2 % ), after the condition of c / s1 : 4, adopting ordinary portland cement

    採用正交試樣方法,用本地生產的普通硅酸鹽水泥、硫鋁酸鹽水泥、磷渣、粉煤灰、黃砂等原料配製滲干拌砂漿,確定最佳的配料方案和生產技術要求;按jcj70 ? 90 《建築砂漿基本能測試方法》測定砂漿的各項物理能;運用化學分析、 x衍射儀、掃描鏡等測試手段,檢測配製砂漿的組成和結構。
  20. Main research result : 1. to succeed in researching miniature pressure modulator, realizes integretion of electropneumatic conversion, high importation resistance, low power consumption, bear vibration and miniaturization by making use of physics / electricity characteristic design of piezo ceramics ; 2

    主要研究結果: 1 、利用壓陶瓷的物理/氣特設計研究成功了微型壓調節器,實現了氣轉換、高輸入阻、低功耗、耐振動和微型化的統一。
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