高能正電子 的英文怎麼說

中文拼音 [gāonéngzhēngdiànzi]
高能正電子 英文
high energy positron
  • : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
  • : 能名詞(姓氏) a surname
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : 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...
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  • 高能 : high energy高能等離子體 energetic plasma; 高能點火 [航空] high energy ignition; 高能電池(組) hi...
  • 電子 : [物理學] [電學] electron
  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,屬美國工學魔法的最新成果,它利用物質的分解原理,在車漆表面生成持有撥水性的負離覆膜,使漆面光亮度可達鏡面光澤的95 %以上,並具有超強的耐候性、抗老化、防氧化、防靜、耐磨性極好的功,它利用的力量,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 this dissertation, refining grains, depositing conductibility carbon film on the surface of the particles and doping mg ~ ( 2 + ) into the lattice of lifepo4 were adopted to improve the electro - chemical performance of the cathode material. the cathode material lifepo4 mainly has two flaws, the low conductibility and the slow li + ion diffusion, which have a bad influence on the performance of the cathode material

    論文主要針對制約極材料lifepo _ 4性的兩大致命的缺點,即低的率和低的鋰離擴散速率,採取材料顆粒的細化、顆粒表面沉積碳導層以及mg ~ ( ~ ( 2 + ) )離摻雜等措施對其進行改性探索,以提極材料lifepo _ 4的化學性
  3. By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent

    最後,本文還對絮凝動力學和絮體結構進行了研究,在前人研究的基礎上,針對絮凝黃河泥沙,對絮凝過程作了一些符合試驗條件的假設,建立了顆粒碰撞頻率表達式,應用了顆粒數量平衡方程,從而建立了絮凝過程的動力學生長模型,模型計算結果與試驗數據對比表明,二者趨勢一致,在沒有使用經驗參數的情況下基本上夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程;對絮體結構的研究中,應用掃描顯微鏡和透射顯微鏡對絮體進行了觀察,將絮體分為絮粒、絮團和絮網三個不同的生長階段,通過假設顆粒結合位置符西安建築科技大學博士學位論文合四面體,建立了絮體結構模型,計算得到的模型絮體分形維數基本與試驗中的實際絮體相符,在一定程度上夠反映絮凝黃河泥沙生成的絮體結構。
  4. The ability of the ionosphere to reflect these waves is dependent upon normal variations in the electron density at different levels.

    離層反射波的力取決于不同度上密度的常差別。
  5. Studies on the optimum beam orbit correction for high energy electron linacs

    直線加速器束流軌道校的優化研究
  6. Dds951 series electronic single - phase electric meter is the most advanced static electronic meter in china. the meter designs use large - scale intergated circuit. high reliability step motor, it can the ac single - phase active energv voltage rating : 220v : frequency 50hz, positive and negative two directions and accumulates in one direction. the test singnal is isolated by phototransistor : it also has the function of anti - fraud, and indicates it s operation situation on flash light, so it could be managed very easy

    Dds951單相表,是金雀儀表公司開發的新型度表。該產品是採用規模專用集成路,可靠性步進機等先進技術製造的國內最新試題新產品,用來計量額定壓為220v ,頻率為50hz的交流單相有功,該產品夠精確計量負兩方向的有功,且以同一個方向累計。
  7. Abstract : a new method for determining proximity parameters, and in electron - beam lithography is introduced on the assumption that the point exposure spread function is composed of two gaussians. a single line is used as test pattern to determine proximity effect parameters and the normalization approach is adopted in experimental data transaction in order to eliminate the need of measuring exposure clearing dose of the resist. furthermore, the parameters acquired by this method are successfully used for proximity effect correction in electron - beam lithography on the same experimental conditions

    文摘:在散射量沉積為雙斯分佈的前提下,提出了一種提取束光刻中散射參數,和的新方法.該方法使用單線條作為測試圖形.為了避免測定光刻膠的顯影閾值,在實驗數據處理中使用歸一化方法.此外,用此方法提取的散射參數被成功地用於相同實驗條件下的束臨近效應校
  8. Neither the bank, its associates, nor any of their directors, officers or employees, shall be liable to the customer for any expenses, loss or damage suffered by or occasioned to the customer by reason of any action taken or omitted to be taken by any one or all of the bank, its associates, their directors, officers, employees or agents pursuant to these conditions or in connection therewith other than as a result of the fraud, wilful default or negligence of the bank, its associates, their directors, officers, employees or agents ; the bank s failure in good faith to honour any stop - payment instructions given by the customer ; the presentation to the bank of any cheque or other payment order which is post - dated ; the bank failing to honour any draft drawn on it by the customer, but the bank shall immediately return such draft to the customer through the normal channels giving the reason for the dishonour ; any loss, damage, destruction or misdelivery of or to the securities howsoever caused unless the same shall result from the negligence of, or theft by, the bank or its associates or any of their directors, officers or employees, in which event the extent of the liability of the bank shall be limited to the market value of such securities at the date of discovery of the loss and even if the bank has been advised of the possibility of such loss or damage ; unauthorised use or forging of any authorised signature as a result of the negligence, wilful default or fraud of the customer ; subject to condition 5. 5, any act or omission, or insolvency of, any person not associated with the bank including, without limitation, a third party nominee or depositary ; viii the collection or deposit or crediting to the custodian accounts of invalid, fraudulent or forged securities or any entry in the custodian accounts which may be made in connection therewith ; any malfunction of, or error in the transmission of information caused by, any electrical or mechanical machine or system or any interception of communication facilities, abnormal operating conditions, labour difficulties, acts of god, or any similar or dissimilar causes beyond the reasonable control of the bank and notwithstanding paragraph, the error, failure, negligence, act or omission of any other person, system, institution or payment infrastructure

    本行其聯系人士其各董事級人員或雇員均毋須向客戶因以下理由而使客戶蒙受或產生之任何開支損失或虧損負責: i本行其聯系人士其董事級人員雇員或代理人根據此等條件採取或遺漏採取有關之行動,但由於本行其聯系人士其董事級人員雇員或代理人之欺詐行為故意失責或疏忽所造成者除外ii本行本真誠地未依約替客戶執行止付指示iii向本行提交任何遠期支票或其他付款指示iv本行未兌現由客戶開出之匯票,但本行將立即透過常渠道將該匯票退回客戶,並解釋拒付之理由v無論如何導致之任何證券之損失損毀毀壞或錯誤交付除非上述各項乃因本行或其聯系人士或其任何董事級人員或雇員之疏忽或盜竊所引致,而在該等情況下,本行的責任將只限於在發現損失當日該等證券之市值,以及即使本行已獲知該等賠償之可性vi因客戶之疏忽故意失責或欺詐行為而導致的任何偽造授權簽名或不獲授權使用該簽名vii在第5 . 5 a條之規限下,與本行無關者之任何行動或遺漏或無償債力包括但不限於第三者代名人或寄存處viii代收或存入或貸存於保管人賬戶的無效偽造或假冒證券或在保管人賬戶記入可與此有關之賬項ix任何機械或系統失靈或因該等機件或系統產生的資料傳送錯誤或任何通訊設施之終斷不常操作情況勞工問題天災或非本行所合理控制之任何類似或非類似原因及x盡管有第ix項,任何其他人系統機構或付款設施的錯誤故障疏忽行動或遺漏。
  9. The report of " building the comfortable society completely, initiate a new prospect of china ' s characteristic socialist society " in the sixteenth national congress of the communist party of china points out, the political building and the political system reform is asked for " to deepen the administration reforms, further change the government functions, improve administration method, spread the electric politics, heighten administration costs, form the action standard coordinate work, right, penetrating honest efficient administration system.

    黨的十六大通過的《全面建設小康社會,開創中國特色社會主義事業新局面》的報告明確指出:關于政治建設和政治體制改革要求「深化行政管理體制改革。進一步轉變政府職、改進管理方式,推行政務,提行政效率,降低行政成本,形成行為規范、運轉協調、公透明、廉潔效的行政管理體制。 」
  10. The major difference between the two is that instead of a positron - emitting substance, spect uses a radioactive tracer that emits high - energy photons

    這兩種技術最大的區別在於,單光發射計算機化成像不用發射的物質,而是用一個發出量光的有放射性的跟蹤劑。
  11. We should further change the functions of the government, improve the methods of management, introduce e - government, uplift administrative efficiency and reduce costs so as to form an administrative system featuring standardized behaviors, coordinated operation, fairness and transparency, honesty and high efficiency

    進一步轉變政府職,改進管理方式,推行政務,提行政效率,降低行政成本,形成行為規范運轉協調公透明廉潔效的行政管理體制。
  12. Second part - the main contribution and research results of this paper are focused on as follows : ( 1 ) how to use the measurements of a dual frequency gps receiver to determine the ionospheric delay correction model for single frequency gps of a local range ; ( 2 ) how to separate the instrumental biases with the ionospheric delays in gps observation ; ( 3 ) how to establish a large range grid ionosphere model and use the gps data of chinese crust movement observation network to investigate the change law of ionospheric tec of china area ; ( 4 ) how to improve the effectiveness of correcting ionospheric delays for waas ' s users under adverse conditions. ( 5 ) how to establish the basic theory and the corresponding framework of monitoring the stochastic ionospheric disturbance using gps ( 6 ) how to improve the modelling ability of ionospheric delay according to its diurnal, seasonal, annual variations based on gps ; ( 7 ) how to meet the demand of correcting the ionospheric delay of high - precision orbit determination for low - earth satellite using a single frequency gps receiver 1 extracting ( local ) ionospheric information from gps data with high - precision the factors are systematically described and analyzed which limit the precision of using gps data to extract ionospheric delays

    二、具體研究工作的系統報告,主要集中在以下幾方面:研究如何利用單臺雙頻gps接收機的觀測信息確定離層延遲改模型,為小范圍的單頻用戶服務;研究如何實時分離gps觀測中的儀器偏差與離層延遲;研究如何建立較大區域的離層格網模型,進而初步設想利用中國地殼運動觀測網路深入研究我國領域的離層的濃度變化規律;研究單頻用戶在不利條件下,如何更好地利用離層延遲改信息;研究利用gps監測隨機離層擾動的基本理論和框架方案;研究如何綜合顧及離層的周日、季節和年變化,進一步提利用gps模擬離層延遲的力;研究如何實現星載單頻gps低軌衛星的精密測軌中的離層延遲改要求。
  13. With the intelligentization of wireless devices, a large quantity of them have been provided with the ability of data processing, simultaneity the number of the people who have wireless intelligent device is on the increase. it makes the mobile commerce to spring up. more and more enterprise information systems extend to support mobile devices to access step by step

    無線設備智化,相當數量的無線設備已經具備數據處理的力,同時人們對智移動設備的擁有率在不斷地提,種種條件促進了移動商務的興起,各種企業的信息系統也逐漸拓展到支持移動設備的接入訪問。
  14. Malfunctions can be diagnosed using infrared thermography without affecting the work state of tested equipments, thus the diagnostic accuracy can be improved. infrared thermography, just as often, improves electronic fault diagnosis by isolating the malfunction to specific areas of the circuit board, what is more, it usually does point directly to the failing component. thermography even can rapidly diagnose up to hundreds of elements on one pcb at one time, without requiring the operator to know the circuit principle very well, which can reduce the workload greatly

    紅外故障檢測儀可以對設備進行在線測量,檢測時不會影響待測設備的常工作和頻率特性,這對路的檢測尤其方便,且診斷的準確性;他通常指出路板上的故障區域,甚至經常直接找出故障元器件,這樣就提了維修質量;並且在不需要檢測人員對路原理有深入理解和分析的情況下,對同一塊路板上的數十隻甚至數百隻器件同時進行快速診斷,這就大大減少了維修人員的工作量,提了維修人員的工作效率。
  15. The main work and conclusion for this paper is as following : according to the flashover test results of several kinds of iced insulators under positive voltage and negative voltage, this paper obtained : for the single porcelain insulator, the single glass insulator and the composite insulator bridged completely by icicle, the metal cathode ' s strong ability of emission electron is the primary reason that results in the lower negative flashover voltage ; the position difference of the high resistance district in method anode side results in that porcelain insulator cluster and glass insulator cluster have an evident effect of polarity ; when less ice and no icicle at the brim of the sheds, due to numerous non - polar arcs on the composite surface, the effects of polarity of composite insulator was lost using the test method of the average flashover voltage in the freezing period, dc flashover performances were investigated of several insulators with some typical structures and different material

    本文的主要工作和結論如下:在人工氣候室內,根據不同覆冰絕緣、負極性下的閃絡試驗結果,得出負極性弧金屬陰極的強發射力造成了單片瓷、玻璃絕緣及被冰凌橋接的合成絕緣有較低負極性冰閃壓;極性弧金屬陽極側產生阻區所處位置的差異使得瓷和玻璃絕緣串具有明顯的極性效應;覆冰較少時,合成絕緣表面出現數量較多的非極性弧使合成絕緣無極性效應。利用覆冰期內平均閃絡壓的試驗方法,對不同材質和結構的絕緣在覆冰、低氣壓和污穢共存環境中的直流閃絡特性進行了研究。試驗結果表明,直流平均閃絡壓隨著海拔的升、覆冰量的增加以及污穢度的增加而降低,且其特徵指數與絕緣結構、覆冰量、覆冰狀態、污穢度等有關。
  16. The sample with low emitter efficiency has completed as the method of above. this lead to the greatly decrease of the reverse recovery time and the low reverse leakage and forward voltage, especially the excellent temperature character of the leakage. the test date shows that the samples reach the first class of international level

    本論文作者通過模擬測試,驗證了課題研究的理論設想,並設計製作了具有低陽極發射效率結構的壓功率frd ,利用局域鉑摻雜和輻照相結合的壽命控制方式,實現器件反向恢復時間的極大減小,並且反向漏流、軟度因向壓降等關鍵參數也較理想,且具有極佳的漏溫度特性,達到器件綜合性的優良折衷,達到國際先進水平。
  17. Mr mak told the participants of the experience sharing session that, in response to the rising expectations on e - government business transformation, knowledge management, inter - connectivity of various government departments and interoperability of their disparate systems, itsd was undergoing a change management programme. itsd was re - organised in april 2002 to achieve delayering and to better align and integrate its core businesses

    麥鴻崧在經驗分享的座談會上表示,為回應並配合社會各界對政府業務改革、知識管理、政府部門互相聯系,以至部門的不同系統互通等多方面不斷提的期望和要求,資訊科技署進行改革管理計劃。
  18. So far, existing brain function evaluation techniques includes electroencephalogram ( eec ), magnetoencephalogram ( meg ), positron emission tomography ( pet ), functional magnetic resonance imaging ( fmri ) etc. among them, the technique using event - related potential ( erp ) contained in eeg features high temporal resolution, low costs and convenient application

    到目前為止,探測大腦活動的方法有eeg (腦圖) , meg (腦磁圖) , fmri (功磁共振成像) , pet (發射斷層掃描)等。其中利用包含在eeg中的erp (事件相關位)進行的研究,達到毫秒級的時間解析度,而且器械成本低應用方便,對探索人腦瞬息萬變的信息處理機(認知機)無疑是很有幫助的一項技術。
  19. Positron emission tomography ( pet ) is the functional imaging equipment with good specificity among the modern nuclear medicine instruments. it can make the noninvasive diagnosis of coronary artery disease ( cad ), brain disease and tumor in their early changes. therefore, it plays a very important role in the field of modern medicine

    發射斷層掃描儀( pet )是核醫學儀器中一種具有較特異性的功成像設備,它夠對心腦血管疾病及腫瘤病變進行早期的無損診斷,在現代核醫學領域里起著十分重要的作用。
  20. Based on the introduction of the systematic structure and working principle of pet, the thesis mainly described the realization of the partial function in the mechanical and electrical control system. furthermore, the thesis referred the design of a new circuit of fan - out of high frequency clock

    本文在介紹發射斷層掃描儀系統結構及工作原理的基礎上,著重對該儀器機控制系統的部分功實現作了詳盡描述,並且介紹了一種新型的頻時鐘扇出路的設計。
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