轉換反應 的英文怎麼說

中文拼音 [zhuǎnhuànfǎnyīng]
轉換反應 英文
displacement reaction
  • : 轉構詞成分。
  • : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
  • : Ⅰ名詞1 (方向相背) reverse side 2 (造反) rebellion 3 (指反革命、反動派) counterrevolutionari...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • 轉換 : change; transform; convert; switch
  1. Terrans have different add - ons for their buildings, ( 1 ) is laboratory for factory, ( 2 ) is reactor for barracks. " flyable " buildings can switch their add - ons

    人族建築擁有不同掛件, ( 1 )是重工場的實驗室, ( 2 )是兵營的堆。能飛行的建築可以不同的掛件。
  2. The characteristics of tm - 22 expression presented in transgenic tobacco : 1 ). virus specificity in either homozygote or heterozygote ; 2 ) tm - 22 gene integrated in tobacco genomic dna with single copy and in inheritance and segregation to progenies on the mendel role ; 3 ). transgenic line with tm - 22 promoter ( ptm47 ) showed infected symptoms with cell death distinguished to one with 35s promoter ( ptm49 ) after inoculation with tomv - 2a

    其次,通過氨基酸序列和結構的比較,確定tm - 2 ~ 2基因的編碼蛋白與tomv病毒在抗病中相互識別的特異氨基酸及其功能;然後,用重組dna技術,互tm - 2 ~ 2基因和tm - 2基因的對結構域,構建嵌合基因,獲得嵌合蛋白表達的化體,驗證tm - 2 ~ 2編碼蛋白中變異氨基酸的作用。
  3. Compared with primary second sampling a / d converter, it realizes digital feedback by digital circuit and does n ' t adopt high accuracy d / a converter with complex technology and high price. it has many excellent qualities, such as high - integration, high - accuracy, widely used, low - price. it can be widely used in test and measure system, scientific instrument, iatric instrument, automatic test system etc. so popularizing this new type a / d converter has very significant meaning

    與原有的兩次采樣a / d器相比,用數字電路實現數字饋可不用技術復雜、價格昂貴的高準確度d / a器,具有集成度高、準確度高、適用性強、價格低等優點,可廣泛用於測量測試系統、科學儀器、醫療儀器、稱重儀器、自動測試系統等。
  4. After analysing several kinds of light - weighting structures through ansys, hexagonal speculum structure is confirmed. in the aspect of the controling of speculum, the paper adopts the brushless dc motor which is partial assembled to drive the point speculum and the inductosyn as angle measuring component is selected, the ad2s80a the system is used to get directly angle and angular velocity. double closed - loop speed and position control is designed, as the pid control is the well - developed algorithm, which can achieve stable rotation and precise position control

    在指向射鏡的擺動控制方面,採用低速性能好的分裝式直流力矩電機作為指向射鏡的驅動電機,並採用感同步器作為角度測量元件,運用軸角器ad2s80a進行角度和速度的輸出,採用技術成熟的pid控制方案,進行速度和位置雙閉環控制,以實現指向射鏡動速度的平穩性和位置的精確性。
  5. In the solar energy transfer and storage system, the isomerization of norbornadiene and quadricyclane is an important reaction

    摘要在太陽能與儲存體系中,降冰片二烯光異構化合成四環烷是非常重要的一個
  6. In the hardware design, the paper completes modules ’ design like outside memory, patulous a / d, patulous d / a, rs232 communication, ecan communication, led control, keyboard control, distant control, emulation, reset, logic voltage switch, dsp supply power regulate and ac - dc power circuit, as well as room layout design like anterior panel, back panel etc. and dsp transfers data with peripheral equipments except outside memory using serial ports. besides, the whole circuit is configured in interrupt response. thus, it can meet system demand as well as take full advantage of tms320f2812 ’ s hardware resource. in the software design, the paper finishs programs like the interface programms intercommunicates with people, the distant control program, ad and da modules ’ control program, in addition, the paper select the velocity and acceleration state - feedback algorithm and is written in the program. the software design uses dsp integrate exploiting environment named ccs2. 2 of ti inc. as software instrument, and programs with the combination of c language and assembly language. moreover, in order to maintenance or modify the software expediently and shorten software ’ s exploitation time, the design adopt software modularization technique. finally, some air cylinder experiments are carried out to proved that the pneumatic controller is very practical

    在硬體設計中,本文完成了片外存儲器擴展、 a / d擴展、 d / a擴展、 rs232通信介面、 ecan通信總線介面、液晶顯示控制、鍵盤控制、遠程控制、模擬、復位、邏輯電平、 dsp工作電源校正電路和ac - dc電源等模塊設計以及控制器前面板、後面板等的空間布局設計。其中dsp與除外部存儲器的外圍設備之間的數據傳送全部採用串口通信,同時系統電路配置成中斷響方式,這樣既滿足了系統要求,又充分利用了tms320f2812的硬體資源。在軟體設計中,本文完成了人機界面功能模塊、遠程控制模塊、 ad擴展模塊、 da擴展模塊、速度和加速度狀態饋的控制演算法的程序設計。
  7. Compared to the traditional converter, the new one can transform electric power from a static part to a rotary part without an electrocircuit connection, which makes the contactless power transform come true. one application of this converter is to supply a steady and regulable excitation circuit for synchronous generator by integrated its second winding with the motor while its primary winding is static. the thesis gives two methods of the rotating converter design paticullarly : flyback and fullbridge, and explains how the circuits are designed

    通過理論分析、模擬分析和實驗驗證,得出這兩種旋器都能進行感電能傳輸,但它們的傳輸功率是不同的,激式旋器最大隻能傳輸幾十瓦功率的感電能,因此只能用在感電能傳輸較小的場合,或者信號傳輸的場合;而全橋式旋器能傳輸較大的功率,可用於電機的新型無刷勵磁方案中。
  8. In these reactions, rest mass is not conserved, although ( as in any other reaction ), mass - energy is conserved

    在這些方面,靜止質量不被,雖然(同在任何其它方面一樣) ,質-能被
  9. The relationship among searching efficiency ( e ), the prey density ( n ) and the adult ladybird density ( p ) was simulated as e = 0. 3 1 10 / ( 0. 7842 + 0. 000404 n + 0. 21 58 p ) by beddington ' s model e = at / [ 1 + athn + btw ( p - 1 ) ], i. e. the searching efficiency declined when the adult ladybird and the prey densities increased. in the single predator - two preys system, the selective predation of the adult female beetle to both eggs of b. tabaci and t. nr. fijiensis was discussed when two preys coexisted

    當兩種獵物共存時,在不同總獵物密度下,測定了捕食者對各獵物的喜好性和行為,分析了兩種獵物共存時,小黑瓢蟲雌成蟲對各獵物的功能形式,結果表明:當兩種獵物共存時,小黑瓢蟲雌成蟲對煙粉虱卵在低密度下不表現喜好性,而在中等密度和高密度下表現正喜好性,對紅蜘蛛卵在各密度下均不表現喜好性;對煙粉虱卵的會由於總獵物密度的不同而呈現不同的效,而對紅蜘蛛卵則在各總獵物密度下均呈現負
  10. In this paper, the author combines the theory analysis with the experiment research method, and discusses the seismic behaviours, 3d elaborate finite element analysis and simplified model analysis of a kind of multi - function tall building - " sub - shearwall supported by frame ", which is applied widely today. the main contents are as follows : in order to observe the failure process and the earthquake response of the complex structure, and to analysis the seismic behaviour of the structural system and structural members, a 1 / 20 cement mortor model of a complex tall - building which is about to be built was producted and the shaking table test of this model under 26 sorts of earthquake loads was made. using sap2000 finite element analysis program, a 3d analysis model was built in computer, and the elastic time - history analysis of the model was done

    本文採用理論分析和試驗研究相結合的方法,研究了目前用較多的綜合性大廈? ?框支分區剪力墻高層商住樓的抗震性能及空間精細分析和簡化分析方法,主要內容為以下幾方面:對一擬建的復雜高層建築結構,採用1 20比例的空間整體模型,進行了26種工況下的模擬地震振動臺試驗,觀察了結構的破壞過程和地震,分析了結構及構件的抗震性能;建立了結構的精細空間模型,利用sap2000n大型有限元分析程序對結構進行了彈性時程分析;通過有限元分析與試驗結果的對比,對結構的抗震性能和抗震能力做出綜合評價,認為該結構由於層上部去掉部分樓板,既可滿足建築設計的通風、採光等要求,又可達到協調結構層上、下樓層抗側剛度的效果,是一種較理想的有多道抗震防線的結構型式。
  11. At the aspect of hardware design, it adopts pulse distributor and the technology of single polar voltage drive to accomplish the function of controlling and driving stepmotor ; it adopts the technology of pulse width modulation and cmos h - bridge drive to accomplish the function of controlling and driving dc servomotor ; it adopts d / a convertor to accomplish the function of controlling ac transducer ; it adopts the technology of digital phase detection to accomplish the function of detecting the feedback position signal of induction phase shifter ; it adopts dsp ’ s capture cell to accomplish the function of detecting the feedback position signal of photoelectric coder

    硬體方面,採用脈沖分配器和單極性電壓驅動技術實現了步進電機的控制和驅動功能;採用脈寬調制技術和cmos互補h橋驅動技術實現了直流伺服電機的控制和驅動功能;採用d / a器實現了交流變頻器的控制功能;採用數字化相位檢測技術實現了感移相器位置饋信號的檢測功能;採用dsp的捕獲單元實現了光電編碼器位置饋信號的檢測功能。
  12. Topics covered include : properties and advantages of feedback systems, time - domain and frequency - domain performance measures, stability and degree of stability, root locus method, nyquist criterion, frequency - domain design, compensation techniques, application to a wide variety of physical systems, internal and external compensation of operational amplifiers, modelling and compensation of power coverter systems and phase lock loops

    所涉及的主題包括:饋系統的特性和優勢,時域和頻域性能度量,穩定和穩定度,根軌跡法,奈魁斯特準則,頻域設計,補償技術,種類繁多的物理系統用,運算放大器的內部和外部補償,能量系統的建模和補償,以及鎖相環。
  13. Comparing to the traditional production technology, the new methanol synthesis process has many advantages which are as follows, high conversion of synthesis - gas per pass, high methanol concentration at reactor exit, isothermal temperature in slurry bed, easy temperature control, simple heat exchanging, excellent technology economy characters and so on. so it becomes a new technology for methanol production that has great industry application

    與傳統生產工藝相比,三相淤漿床甲醇合成工藝具有單程化率高,出口甲醇質量分數高;床層等溫,條件優良;溫度易於控制,熱簡單;生產的技術經濟指標優良等特點,因此成為一種用前景非常廣闊的新興甲醇生產新技術1 。
  14. This lesson mainly introduces the structure of organic compounds, name, the physics and the chemistry property, the organic functions groups converts mutually and law ; characteristic of stereoscopic chemistry ; the typical reaction process

    這門課主要介紹有關有機化合物的結構、命名、物理及化學性質,官能團化合物之間的相互及其規律;立體化學特徵;典型有機歷程。
  15. This course requests students to know well the structure, name, the property, the organic functions groups compound converts each other and law, stereoscopic chemistry characteristic of the organic compound ( do not contain the heterocyclic compounds, sugar, terpenoids and the steroids ), to acquaint with that the organic chemistry of the typical reaction process and the general method of study organic chemistry ; understand each kind of representative ' s organic compound and its application

    本課程要求學生掌握有機化合物(不含雜環、糖類、萜類及甾體化合物)的結構、命名、性質、官能團化合物之間的相互及其規律和立體化學特徵;熟悉典型的有機化學歷程及有機化學研究的一般方法;了解各類代表性有機化合物及其用。
  16. Our main products include pure titanium heat exchanger, titanium steel heat exchanger, all kinds of condensers made of composite material, reaction kettle, titanium single or double pipe coil, titanium centrifugal ventilator, titanium impeller, fan, titanium corrugated pipe, tank, pipe heaters in various specifications, pipe parts, metal fillings, etc

    本廠主要產品有全鈦熱器鈦鋼熱器復合材料各種規格的冷凝器釜鈦單雙層盤管鈦鼓離心機鈦葉輪風機鈦波紋管貯槽各種規格的管式加熱器各種規格管配件金屬填料等。
  17. 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元件,採用五相式步進電機,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。
  18. The hydi. au1ic pressure system uses the pmp / motor and the container of air sac type as the energy transfomtion and the storage part, so it has compact structure and the rapid reaction

    液壓系統採用功能可逆式泵馬達,氣囊式蓄能器為能量及貯存部件,實現結構緊湊,迅速的要求。
  19. Studying the heat - mass transfer and multi - spices electric - chemical reaction, a dynamic temperature model was deduced for molten - carbonate fuel cell stack. the thermal radiation, shift reaction, and the change of gas spices were considered in this model. establishing momentum equation, the paper has developed a 3d temperature and flow fields model for mcfc stack based on cfd technique

    建立了熔融碳酸鹽燃料電池堆內部單體的暫態溫度模型,並考慮了電堆的輻射熱、轉換反應氣體組分變化對溫度場的影響;根據mcfc的微分控制方程組,考慮氣體組分的熱力學性質及動量變化的影響,利用數值分析方法求解熔融碳酸鹽燃料電池堆的三維流場與溫度場,分析了各作用因素對熔融碳酸鹽燃料電池堆溫度分佈的影響機制。
  20. That is, the knowledge frame of teacher is made up of eight parts : subject matter knowledge, curriculum knowledge, general pedagogical knowledge, pedagogical content knowledge, knowledge of learners, knowledge of self, knowledge of contexts and knowledge of educational ends and values. with regard to the sources of teacher knowledge, teachers " " teaching experience and rethinking of self and " daily intercommunion with colleagues " are the most important source teachers develop their teaching knowledge of self. " the training on service " and " organized professional activities " are more important source, but in comparison with above sources " the experiences as a student ", " training beforce service " and " reading professional books and periodicals " are less important sources

    研究得到的主要結論是,提出並闡明了教師知識的理論框架結構模型,即教師的知識結構是由八個部分組成:學科內容知識、課程知識、一般性教學知識、學生知識、教師自身知識、教育情景知識、教育目的及價值知識和學科教學知識;在教師知識的來源上,教師「自身的教學經驗和思」以及「和同事的日常交流」是他們發展自身教學知識的最重要的來源, 「在職培訓」和「有組織的專業活動」也是比較重要的來源,但是相比之下, 「作為學生時的經驗」 、 「職前培訓」和「閱讀專業書刊」則是最不重要的來源;在教師知識用上,闡述教師知識和教師教學決定的關系;針對新課程的改革,以及教師知識的,闡述課程設計與教師教育的有關問題:最後對教師知識的未來發展進行了展望。
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