電子對給體 的英文怎麼說
中文拼音 [diànziduìgěitǐ]
電子對給體
英文
electron pair donor- 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...
- 子 : 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...
- 對 : Ⅰ動詞1 (回答) answer; reply 2 (對待; 對付) treat; cope with; counter 3 (朝; 向; 面對) be tr...
- 給 : 給Ⅰ動詞1 (送對方某物; 使對方得到) give; grant 2 (用在動詞后 表示交與 付出) pass; pay 3 (叫; ...
- 體 : 體構詞成分。
- 電子 : [物理學] [電學] electron
-
This thesis firstly introduces new demands of aerial product logistics support under high - tech war and some defects of traditional logistics support, and puts forward a kind of system model of aerial product logistics support following data - sharing of cals, and emphasizes detm. secondly it sets forth application of step and xml in the ietm, researchs conversion of xml schema and relation schema, and simply researchs mapping of xml and express. afterword, a based - xml framework of info - transfer between different platform are presented, according to this framework, the author establish a archetypal system of helicopter information query system based xml and dbms
本文首先介紹了現代高科技戰爭條件下對航空產品維修保障的新要求,概述了傳統的後勤保障技術的不足,遵循cals的數據共享的理念,提出了航空產品維修保障系統模型,重點研究了互動式電子技術手冊;接著分析了step標準和xml技術在製作互動式電子技術手冊中的應用,重點研究了肌模式和關系模式之間的相互轉換,初步研究了xml和express語言之間的映射關系;然後,提出了基於xml的一種解決航空產品信息跨平臺傳遞的解決方案,給出了該方案的具體實現流程和詳細的通訊協議,並開發了基於xul和數據庫的某型號直升飛機的信息查詢原型系統。We have calculated one - and two - photon absorption cross sections of the lowest excited states of a series of molecules combined with benzene, stilben, thiophene as center attached with amine, diphenylamine, diethylamine as electron - donor and nitryl as electron - acceptor ; the effects of molecular length, n center and electron - donor on two - photon absorption cross sections have been studied and all calculations have been carried out using the density functional theory at an ab initio level. it is found that the molecular length and the one - photon absorption intensity are quite strongly c orrelated factors, and that a corresponding correlation for the two - photon absorption is decreasing. it is also found that a most crucial role for the two - photon absorption is played by the n center
我們分別以苯、二苯乙烯、噻吩為中心,氨基、二苯氨基和二乙氨基為電子給體,硝基為電子受體組合形成的分子為研究對象,在從頭計算的水平上用密度泛函理論計算了這些分子在低激發態下的單、雙光子吸收強度,重點研究了分子的長度、中心和給體的供電子能力對分子單、雙光子吸收的影響。研究結果表明,分子長度與單光子吸收強度之間有密切關系,而在雙光子吸收中這種關系較弱;中心在雙光子吸收中具有重要的作用;在中心和受體一定的情況下,增加給體的供電子能力,可提高雙光子吸收強度。Molecules or ions which act a ligands should therefore have lone pairs of electrons for donation.
作為配體的分子或離子應該有具有作給予用的孤電子對。To select a cylindrical plane cathode ; to design proper focus electrodes in order to control the formation of beam in methods of solving equations, electrobath and simulation aided by computer. to correct effects of anode hole and work out curves of designing guns ; to discuss plasma cathode guns at last
選用圓形平面陰極;設計恰當的聚束極形狀以控制電子束的成形,並使用解析法、電解槽法和數值方法三種方法進行設計;考慮陽孔效應對電子束傳輸的影響,修正陽孔效應,給出電子槍設計曲線;最後討論一下等離子體陰極電子槍。These reactions involve electrondonation from the incoming ligand to the empty d-orbitals of the molybdenum.
這些反映包括進入的配位體對鋁的空d軌的電子給予作用。It discuss how do we implement the decision - making support system by using data warehouse in the electronic government and deeply introduces the problem and the related technology when build the decision - making support system. this paper also studies the role of data warehouse and olap in the in the decision - making system. finally it introduces that all aspects of the web service technology backgrounds and displays applications of this technology in the data - transformation and client module. then discusses the advantage and disadvantage of the web service technology in this system
本文以中國出口綜合評價體系的建立和研究為基礎,首先介紹了與此項目相關的技術背景和實施必要基礎;然後介紹了基於ctpi的外貿業務分析決策系統的研製開發,給出基於數據倉庫的外貿業務分析決策系統的體系結構,並介紹了系統各部分功能;討論了在電子政務的建設中如何利用數據倉庫來實施決策支持系統,詳細介紹了本系統在實施決策支持過程中遇到了問題及所採用的相應的技術手段,研究了數據倉庫、聯機分析處理在對外貿業務分析決策系統中的應用;最後介紹了webservice技術背景的各個方面,以及該技術在本系統的數據轉移和客戶端模塊中的應用,並分析了webservice技術在本系統實現過程的利弊。Accordingly, an abbreviated and code - opened real - time operating system named ? c / os - is transplanted on tms320f240. the paper presents software structure ’ s three levels , designs the additional facilities ’ driven functions and commonly modules , expands the operating system and constructs the platform primarily
C / os - ,給出了層次設計的軟體結構,結合目標板的硬體資源,編寫了外設驅動函數、電力電子控制常用功能模塊,對The fluorescence spectra of the conjugationed polymer containing of n - ( a - naphthyl ) carbazole show that the emission sprctra in aromatic solvents are more red - shifted than that in aliphatic solvents although these solvents have the same polarity. the fluorescence chatacteristics were different from th e n - ( a - naphthyl ) carbazole ' s. the fluorescence of the conjugationed polymer can be quenched by electron donors and cm and cannot be quenched by electron acceptors
對含有n - ( -荼基)咔唑基團的共軛高聚物,它在芳香族溶劑中的熒光發射比非芳香族溶劑中明顯紅移,也不具有n - ( -萘基)咔唑單元所具有的分子內電荷轉移特性,它的熒光只能被電子給體和c _ ( 60 )猝滅而不能被一般的電子受體猝滅。Abstract : based on the electronic focus technology development of state - of - the - art, the paper suggested a complete apparatus s cheme ofauto - focus based on sspd ( self - scanned photodiode array ) and 8098 singl e chipprocessor, giving out a focus criterion algorithm based on image high freq uencystatistics. the function of auto - focus of both reflected and transparent o pticalmicroscope was realized. meanwhile some corresponding problems such as sta bility of lightsource, step motor driving etc. were also discussed, which greatly improved the accuracy andreliability of the system
文摘:在介紹與分析了國內外電子調焦系統的技術發展與現狀的基礎上,提出了一種基於sspd (自掃描光電二極體列陣)與8098單片微處理器自動調焦的整體技術方案,給出了基於圖像高頻成分統計的聚焦判識演算法,在此基礎上實現了反射式與透射式光學顯微鏡的自動調焦,同時對系統的可靠性有關的其它相關問題如光源穩定性、步進電機驅動等問題也進行了討論。This disquisition aimed at plc reactive dispatch curve controller, associating the entire exploiting process, expounded in guiding ideology, control standard, function and structure design, software system design, analog experiment, fixing and debugging and so on, also part of flow schematic diagram ( the ladder chart was n ' t drawn because of too many network and length limit ). this design involves many subject such as power systenu automatic control microcomputer control and electroa during the design, we have read a great deal of concerned data, base on the sufficient investigation analysis and research, associating the practicality of huanren power plant, we introduced and exploited plc reactive dispatch curve controller in the first time
本文針對plc無功調度曲線控制器,結合整個研製過程,在設計指導思想、控制準則、性能設計、裝置構成設計、軟體系統設計等方面進行了闡述,並給出了部分程序流程簡圖(由於梯形圖網路數太多,受篇幅限制沒有給出) 。本設計涉及到電力系統、自動控制、微機控制、電子等多學科知識,在設計過程中,我們查閱了大量相關的資料,在充分調查、分析、研究的基礎上,結合桓仁發電廠實際情況,首次提出並研製出了plc無功調度曲線控制器。This thesis supposes that customer value - based difference pricing will be the present erp pricing trend. analyzing the tangible benefits and intangible benefits the enterprises get from using erp, this thesis chooses the electronic industry and calculates the benefits from using erp system based some data, which provides good theoretic reference when the enterprises face multiple erp price bidding
在對通過使用erp軟體可以給企業帶來的包括有形效益和無形效益在內的經濟效益進行分析之後,以電子行業為例,結合具體數據,對其應用erp系統所獲效益進行測算,從而為企業面對諸多報價進行erp選擇時,提供了較好的理論參考。The generator is verified to be of well performances by experiment. the third part concerns the control system of pm generator in vehicle application by commutating and inversion. considering the development of future power supply of auto electric system and the economizing on energy, the multi - voltage power supply system for future autos power supply system is introduced, and the design is given in detail
最後,結合現代電力電子技術,利用整流橋、逆變器、 mosfet等元器件設計並實現了車用永磁發電機恆壓輸出控制;從未來汽車電氣系統的發展方向和高效節能方面考慮,提出未來汽車的多電壓供電系統的典型配電模型,並對該模型進行具體設計,實現多電壓供電的功能,並給出了控制線路中各主要部分的波形。( 2 ) the process of dc discharge in o2 / n2 mixtures with the different n2 concentration has been simulated. the dependences of number of collisions with the e / n and the energy of electron are given. it is analyzed stressfully that the process of electron - molecule collision with the e / n and the energy of electron in air at atmospheric pressure
對于o _ 2 n _ 2混合氣體,模擬了不同配比條件下直流放電過程,得出了發生碰撞的粒子數隨e n 、電子能量的變化;著重分析了空氣中激發、電離、分解及分解電離碰撞的粒子數隨e n的變化,給出了電子漂移速度和平均電子能量隨e n的變化。The second part tracks the technology of information security and electronic security protocol which is advanced nowadays and will be applied in later sectors. the third part analyses secure demands of e - business and design general system frame of secure electronic business. the forth part analyses data flow and transaction process in the systems of electronic payment based on set protocol and ssl protocol distinctly, then designs them. systems of electronic payment consist of four logic parts, including client side, payment server, payment gateway, which is designed in fifth part
本文從應用的角度出發,通過跟蹤研究國內外先進的信息安全技術和安全電子交易協議,對支付型電子商務業務及其安全需求作了詳細的分析;分別設計了基於set協議和non ? set協議的電子支付交易流程及系統中各組成部分(包括客戶端軟體、支付服務器、支付網關)的基本功能模塊,能較好實現商家、顧客、企業、銀行之間的信息流、資金流的傳遞及安全保障;接著就電子支付系統實現過程中的信息交換和系統集成等方面的問題作了探討,並給出了基於j2ee和xml的解決原型。Nor did anyone imagine the number of hours children would eventually devote to te1evision, the common use of television by parents as a child pacifier, the changes television would effect upon child - rearing methods, the increasing domination of family schedules by children ' s viewing requirements - - - in short, the power of the new medium to dominate family life
也沒有任何人能夠想象出最終孩子們每天用於看電視的時間有多長,更不用說能夠想象出父母們會用電視取代孩子們的橡皮奶嘴,或者電視對育兒方式的影響,或者孩子們看電視的要求給家庭時間表不斷增強的支配作用簡而言之,這個新媒體對家庭生活主宰的威力。Laser - scanned measuring for the diameter system involved optics, laser, electronics, computer and mechanics etc, in the system, a visible laser is taken as its light source, the geometric parameter of the measured object is transformed into the electrical sighals by a scanning optical system and an opto - electronic transformation system, the measured result is given and displayed by the computer real time data processing
激光掃描測徑儀系統是一種基於光學技術、現代激光、電子學、計算機、精密機械等多學科技術於一體在線檢測系統。它是用可見激光作為光源,把被測對象的幾何尺寸經過掃描光學系統和光電變換系統轉變成電信號,再由計算機進行實時數據處理,給出測量結果,並數字顯示。Expo promotion in professional magazines and newspapers publish advertisements on radio, television, professional websites and the public web site published a comprehensive exhibition information, the overall promotional strong and effective ; through direct mail - tickets, - invitations to visit, computer, fax, internet and e - mail information in a timely manner for the direct invitation to traders concept development ; prior to the opening of the exhibition mail alerts exhibition to professional users and the industry, the exhibits for direct mail promotions promotion of exhibitors and traders to understand the development of the former ; elaborately produced " exhibition journal " across to the relevant bodies all over, expanding and upgrading the visibility of exhibitors ; by the relevant government departments, trade associations and groups scientific research units and institutions of publicity, organizing professional development concept ; organizers staff for large industry users and the invitation to pay visits
在專業雜志及報紙上發布廣告,在電臺電視臺專業網站和公眾網站上全面發布展會信息,整體宣傳推廣強勢有力通過直郵門票參觀請柬,電腦傳真,信息網路和電子郵件連續及時的直邀貿易商前來觀展展覽會開幕前寄展覽快訊給專業用戶和業內人士,對展品進行直郵推介,增進參展商與貿易商的展前了解In view of the present situation, in this paper, a new moisture analyzer which combines infrared drying oven and electronic balance is proposed takes dsp as the information processing unit. it presents the instrument structure and the hardware design of the system. it actualizes the temperature real time control in the drying equipment through controlling the power of the heater element and taking an complex control method
針對這一現狀,本文提出了一種將紅外乾燥箱和電子天平相結合,利用dsp作為信息處理單元的水分測定儀;給出了儀器結構和dsp系統的硬體電路設計;研究通過對加熱元件的功率控制實現乾燥箱的溫度控制,採用智能復合控制策略對乾燥箱的溫度進行實時控制,乾燥箱的溫度達到105的時間可由單純pid控制的2分鐘減少到1分鐘,且控制精度高。The chip can be widely used in mp3 player, pda, digital camera, cells phone and portable products etc. this thesis first introduces the basic theory of switching power supply. the operating theory of this circuit has been demonstrated. the operating principle and simulation analysis about band gap reference, self - biased current source, one shot circuit, hysteresis comparator, and current - limit circuit have been particularly expounded in this thesis
本文首先闡述了開關電源的工作原理,詳細介紹了本電路的整體工作原理,最後重點介紹了自偏置電流源電路、基準源電路、單穩態觸發器電路、峰值電流限制及低電池電壓遲滯比較器的工作原理,並利用eda工具larker ? ams 、 hspice對電路進行了完整的設計和模擬模擬,給出了合理的電路數據,各子模塊電路的電特性參數均達到或優于設計所需指標。The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate
採用pld技術進行了碳氮化合物薄膜沉積,得到了含氮量為21at的cn薄膜;研究了襯底溫度和反應氣體壓強對薄膜結構特性的影響,給出了cn薄膜中n含量較小、 sp ~ 3鍵合結構成分較少和薄膜中僅含有局域cn晶體的原因;引入脈沖輝光放電等離子體增強pld的氣相反應,給出了提高薄膜晶態sp ~ 3鍵合結構成分和薄膜的含n量可行性途徑;應用pe - cvd技術以ch _ 4 + n _ 2為反應氣體並引入輔助氣體h _ 2 ,得到了含n量為56at的晶態cn薄膜;探討了cn薄膜形貌、成分、晶體結構、價鍵狀態等特性及其與氣體壓強和放電電流的關系,證明了- c _ 3n _ 4薄膜沉積為滿足動力學平衡條件的各種反應過程的競爭結果;採用光學發射譜技術對cn薄膜生長過程進行了實時診斷,得到了實驗參量對等離子體中活性粒子相對濃度和氣相反應過程的影響規律,給出了cn薄膜沉積的主要反應前驅物,揭示了cn薄膜特性和等離子體內反應過程之間的聯系;採用高氣壓pe - pld技術研究了不同襯底溫度條件下cn化合物薄膜的結構特性,揭示了si原子對薄膜生長過程的影響,給出了si基表面碳氮薄膜的生長模式;在金剛石研磨和催化劑fe處理的si襯底上進行cn薄膜沉積,證明了通過控制材料表面動力學條件可以改變碳氮薄膜結構特性,並可顯著提高晶態碳氮材料的生長速率。分享友人