中子選擇器 的英文怎麼說

中文拼音 [zhōngzixuǎnzháiqì]
中子選擇器 英文
neutron chopper
  • 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...
  • 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
  • 擇 : 擇動詞（挑選） select; pick; choose
  • 器 : 名詞1. （器具） implement; utensil; ware 2. （器官） organ 3. （度量; 才能） capacity; talent 4. （姓氏） a surname
  • 選擇 : select; choose; opt; election; choice; culling; alternative
  1. In the sub block circuit design, the contents that the author had introduced include : the principle of band gap voltage reference and the design technique in low power supply ; the analysis of spike pulse noise rejection, frequency divider and dead time in oscillator and control circuit ; the selection of the width and length ratio of four switches and 2x / 1x mode change point in driver and mode selection circuits

    在子電路設計中，作者比較深入分析的內容有:基準電路的原理及低電源電壓下基準電路的設計;振蕩器和控制電路中尖峰脈沖噪聲抑制、兩分頻電路及死區時間設定;驅動及模式選擇電路中開關管的寬長比的選擇及模式轉換點的設計。
  2. In this model, ion conduction involves transitions of three states, with one three - ion state and two two - ion states in the selectivity filter respectively. in equilibrium, the well - known nernst equation is deduced

    在這一模型中，離子通道的選擇性過濾器主要處於三個態，一個三離子態和兩個兩離子態，轉導過程用這三個態之間的相互躍遷來描述。
  3. According to the demand of the concept design of china spallation neutron source ( csns ), the target station, i. e. the target, the reflector and the moderator have been simulated and optimized using monte carlo simulation software, nmtc / jam and mcnp4a, firstly. the neutron flux escaping from the target and the moderator and the heat deposition in the target, the reflector and the moderator are calculated. these results provided essential data as a basis of the spallation neutron source design

    本論文結合當前中國散裂中子源（ chinaspallationneutronsource ， csns ）工程概念設計的迫切需要，選擇國際上廣泛使用的基於蒙特?卡羅方法，用於模擬粒子輸運過程的程序mcnp4a和nmtc jam作為研究工具，首次對csns靶站進行了全面的模擬與優化，內容包括靶、反射體與慢化器系統的中子通量分佈以及熱量沉積，同時計算了靶的溫度場與應力場分佈。
  4. On the basis of familiar with can bus and gsm communication, considering hev ( hybrid electric vehicle ) battery administrative system ' s demand for the host pc monitoring system, i have designed can - rs232 converter gateway to realize transmission the real - time data from can node to rs232 serial port, which is carried out by the project of at89c52 mcu + sja1000 can controller + 82c250 can controller interface. host monitoring software has accomplished real - time datas display, storage, historical datas graph analysis and storage fashion change from access to excel, at the same time, realized important datas transmission remotely with tc35 short message module. system software programs in assembly and vb

    Can - rs232轉換網關採用at89c52微處理器+ sja1000can控制器+ pca82c250can控制器介面實現對can總線節點通訊的監聽，並將其轉換成rs232串口電平發送到pc機串口，同時用siemens公司的tc35模塊和at指令實現現場採集系統重要數據和錯誤信息的短消息通訊。在上位pc機監控系統中，主要完成的是對串口設置的選擇控制、現場採集數據的實時刷新顯示、歷史數據的圖表分析及數據的access數據庫存儲和excel電子表格的轉換。系統軟體採用匯編語言和vb實現。
  5. Other segments can be made available by loading their segment selectors into these registers during program execution

    要想使用其它的段，可以在程序運行時把這個段選擇子載入段寄存器中。
  6. The limitation of mini - volume and mini - power application condition is adequately considered, and design of whole refrigeration system is accomplished farther, including choose and structure design of compressor, choose and calculation of heat exchanger, calculation of capillary, etc. structure design of the rotary compressor is the most primary part of the design of whole refrigeration system

    根據計算結果，並充分考慮到小體積、小功率的應用環境限制，進一步完成了整個製冷系統的設計實現，包括壓縮機的選型和設計、換熱器的選擇和計算以及節流管的計算等等。其中，滾動轉子壓縮機的結構微型化設計是整個製冷系統設計的核心部分。
  7. The calculation of the selection of the neutral - point earthing - transformer of the generator shows that the selection of its parameters should be matched with one - point earthing protection of the stator of its generator

    對發電機中性點接地變壓器的選型計算表明，其參數選擇必須與發電機定子一點接地保護相配合。
  8. Standard guide for selection and use of neutron sensors for determining neutron spectra employed in radiation - hardness testing of electronics

    電子輻射強度試驗中中子波譜測定用中子探測器的選擇和使用標準指南
  9. Furthermore, utilizing the characteristic that filtering error covariance expresses filtering precision and the principle of information conservation, the dynamic and reasonable distribution of distributed tracks weight coefficient is accomplished. jerk model and strong tracking filter is organically assembled, and based on spatio - temporal synthetically analysis and lme, a self - learning estimation method of the system measurement variance is given. the method improves obviously the

    3 、將jerk模型與強跟蹤濾波演算法有機地結合，並利用時空綜合分析和極大似然估計的思想推導出了一種系統量測方差自學習修正方法，以優化強跟蹤濾波演算法中次優漸消因子和濾波增益的在線選擇，同時根據多傳感器數據融合具有改善濾波精度的性質，進而給出一種基於jerk模型的多傳感器數據融合演算法。
  10. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題，主要研究內容有： （ 1 ）實驗、測定了20種常見生物質的能量（發熱量）和c 、 h 、 n元素含量，根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式，並通過r _ （ 0 . 05 ）檢驗；為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便； （ 2 ）選擇了8種生物質試樣作了等加熱速率（ 10 min 、 20 min 、 40 min 、 60 min ）和恆溫加熱的tg和dtg實驗，根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程，並採用goast - redfem積分法和p函數對其動力學參數進行了求解，解析出各種生物質的頻率因子和活化能參數，進而建立了各種生物質的熱解動力學模型，為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述，提供了理論和依據； （ 3 ）為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間，在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定，得出生物質的長徑比（ l d ）一般在5 . 0 6 . 0之間，平均為5 . 3的結果； （ 4 ）採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究，解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間（ t ） ，得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果，為閃速熱解反應器固相滯留時間設計和預測提供了理論依據； （ 5 ）根據上述實驗結果，綜合運用工程力學、工程材料、機械設計學原理，推導、建立了轉錐式閃速熱解反應器物料滯留時間（ ）與轉速（或頻率）合理匹配理論； （ 6 ）提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  11. Based on the investigations of domestic and overseas road traffic safety researching, this paper studies the whole scheme of vehicle operation parameters monitoring system aimed at improving road traffic safety, selects the monitoring parameters which are classified by functions and their sensors, designs the sensor signal processing circuits, the software and hardware of ecu, the display and alarm circuits as well as anti - jamming circuits, realizes the functions of displaying, alarming and " black - box ", and forms a suit of practicality methods of designing vehicle running parameters monitoring system, provides references for research and development of other on - board intelligent devices

    本文在分析了國內外有關汽車行駛安全研究成果和發展趨勢的基礎上，以汽車運行安全為目標，確定了汽車運行安全參數監控系統總體方案，選擇了運行安全監控參數，並按功能不同進行了分類，選擇了傳感器並設計了相應的信號處理電路。完成了電子監控單元軟、硬體的設計以及顯示、報警電路和抗干擾設計，實現了汽車運行過程中安全參數的顯示、報警和「黑匣子」功能，形成了一套汽車運行安全參數電子監控系統設計的實用方法，為其它車載智能化儀器儀表及相關儀器的研究開發提供了借鑒。
  12. The main research content about this two subcircuits are as follows : 1. the precision and dynamic range of several typical current mirrors are discussed and an active input regulated - cascode output current mirror is adopted as the current duplicate circuits in ccii

    在這兩個子電路中主要進行了如下研究: 1 .研究了幾種常用的電流鏡的電流傳輸精度和動態范圍，並最終選擇有源輸入校準型電流鏡作為電流傳輸器中的電流傳輸電路。
  13. The fundamental theoretical framework of this dissertation is the " stimulus - response " model of psychological behaviorism. the author applies this model into the apparel - buying behavior and proposes the " systematical integrated model " in the apparel consumption decision - making. the author tends to find out the correspondent relationship between the different buying behaviors and their characteristics through the newest technique of data mining - - hybrid machine learning ( hml ). therefore, three sub - models on apparel consumption will be established

    本研究的立足點是心理學行為主義學派「刺激? ?反應」理論在服裝消費行為決策過程中的延伸，並在購買者行為模式的基礎上提出了服裝消費決策行為系統整合模型，筆者試圖通過系統整合的思想，採用數據挖掘的最新技術? ?混合機器學習（ hybridmachinelearning ，簡稱hml ）力圖找出具有不同購買反應的人群特徵的對應關系，即通過hml對所採集的數據庫的運行及其分析，構建上海地區服裝消費在「購買產品及其數量選擇」 、 「購買地點選擇」和「購買者確定」三個子模型，從而勾勒上海家庭服裝消費決策行為系統整合模型。
  14. Abstract : the principle of electro - differential - constant temperature detector ( edctd ) is summarized. a calculation method for selecting resistance value in the measurement circuit based on the sensitivity requirement is proposed. theoretical analysis and experimental result for the method are also given. the proposed method can be applied to production and calibration of edctd, providing guideline in determining the resistance parameters

    文摘:介紹了電子差定溫式火災探測器的工作原理，提出了根據不同靈敏度要求選取電路中各電阻阻值的方法，並從理論和實驗兩方面加以分析和論證，消除了電阻參數選擇的盲目性，為生產、檢測差定溫式探測器提供了理論依據。
  15. After introducing the background and the trend of research on ppv thin film light - emitting diodes ( leds ) and the structure of ppv device and its characterizes, the theoretical model of the leds * light - emitting efficiency was presented. based on this model, the formula of light - emitting efficiency was deduced to be : the injecting - currents and the recombining - efficiencies were calculated nwnerically, we found the calculated results agreed very well with the experimental results under the electric field from 0. 5 x 106 to 1. 5 x 106v / cm, the numeral calculations and theoretical analyzes of the light - emitting efficiency were done. the conclusions were as follows : ( 1 ) the basic mechanism of the injection transportation and recombination of the carriers which were presented in this paper were proved to be right ; ( 2 ) the electroluminescence in ppv thin film is the result of exciton recombination, the light - emitting efficiency was affected by many factors

    本文主要研究聚對苯乙炔（ ppv ）薄膜發光二極體發光效率及主要影響因素，簡單地介紹了ppv薄膜發光二極體的研究背景及發展趨勢、 ppv器件的結構和性質后，提出了一個計算器件發光效率理論模型，利用這個理論模型得出了發光效率公式的表達式：並對注入電流、復合效率等進行了數值計算，通過合理地選擇計算參數，發現計算值在場強為0 . 5 10 ~ 6 1 . 5 10 ~ 6v / cm的范圍內與實驗結果較好地符合，在此基礎上，對發光效率進行了數值計算和理論分析，結果表明：計算結果與理論研究結果相符較好，得出結論如下： （ 1 ）本文的理論推導正確地反映了器件中載流子的注入、傳輸和復合等基本機制； （ 2 ） ppv薄膜中的電致發光是激子復合的結果，發光效率受多種因素影響。
  16. Electronic screen corresponding piecemeal in electronic screen and a certain area of the window of display of computer, show the real - time synchronism of display content, screen shine upon position can adjust, and can have been convenient to choose and show the size of the picture at will

    1可實現1024x768顯示模式：以計算機為處理控制中心，電子屏幕與電腦顯示器vga窗口某一區域逐點對應，顯示內容實時同步，屏幕映射位置可調，並可方便隨意地選擇顯示畫面的大小。
  17. The body of display screen regard computer as the control centre, allocating advanced and perfect program making and playing software, corresponding piecemeal in electronic screen and a certain area of the window of display of computer, show the real - time synchronism of content, and can be convenient to choose and show the size of the picture at will

    顯示屏體以電腦為控制中心，配備先進完善的節目製作及播放軟體，電子屏幕與電腦顯示器vga窗口某一區域逐點對應，顯示內容實時同步，並可方便隨意地選擇顯示畫面的大小。戶外雙基色視頻可以接收顯示錄像機影碟機電視機等視頻信號。
  18. Firstly, the relationship of atomic force and distance is studied. the scan type of samples and the working mode of probe is confirmed, then pzt is chosen as actuator for micro scan displacement, and optical deflexion method is used to detect the deflexion value of cantilever. after all these work, the system light path design is finished, and its mathematical model is completed

    首先，分析了原子力探針系統的中原子力?距離的關系，並確定探針系統的探針的工作模式和樣品的掃描模式，從而選擇壓電陶瓷作為掃描微位移驅動器;採用光學偏轉法檢測微懸臂偏轉量，並選用了psd作為傳感元件，並在此基礎上進行了系統光路設計及其數學模型的建立。
  19. The trace heavy metal determination instrument is a kind of instrument which combines the method of using ise and isfet microsensors based on a sensitive chalcogenide glass with the method of the stripping voltammetry to determinate the trace metals in seawater

    船載海水重金屬元素現場自動分析儀是一種聯合離子選擇性電極檢測技術和溶出伏安檢測技術自動檢測海水中痕量重金屬元素的儀器。
  20. Part ii of the thesis focuses on the development of spm anion selective electrodes based on new neutral carriers and their application as electrochemical sensors in food and medicine

    論文第二部分的研究集中於合成的新型金屬配合物為中性載體的碘離子選擇性電極的基礎研究及其作為化學傳感器在食品和藥物研究中的初步應用。
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