鍵變元 的英文怎麼說

中文拼音 [jiànbiànyuán]
鍵變元 英文
key argument
  • 鍵 : 名詞1 [機械工程] （使軸與齒輪、皮帶輪等連接並固定在一起的零件） key 2 [書面語] （插門的金屬棍子）...
  1. There are two stages to crux maifan stone ' s formation, the first stage is the forming stage of primary material, that is to say, the stage of mother rock formation, in this stage, the latter hypabyssal intrusive of crystallization fractionation and self - metamorphic process are an important factor to make sure them have many trace elements

    麥飯石的形成中有兩個階段是十分關鍵的，第一個階段是基本物質的形成階段，即母巖的形成階段。在這一階段中巖漿分異結晶晚期的淺成侵入以及自變質作用，是保證其富含營養微量元素的重要條件。
  2. Based on the tms320f240 controller produced by ti company, the hardware and software designation of the symmetrical voltage space - vector pwm is presented. designed a digital controller with tms320f240 to modulate the speed of the motor, in which the keyboard and led display are bedded. it can be to set the frequency of motor and display the run frequency of motor in real time

    基於ti公司的tms320f240控制晶元，介紹了對稱空間電壓矢量硬體設計和軟體設計，採用tms320f240設計了一款用於電機變頻調速的數字控制器，該控制器上設計有鍵盤和led顯示，可以設定和動態顯示電機運行頻率。
  3. Features and trend of spandex elastic fabric and the design of beautiful stretch face fabric with various nylon / spandex air - textured yarn, spun rayon yarn and fancy silver yarn are introduced with technical key points in weaving process analyged in detail in this paper

    摘要介紹氨綸彈力面料的風格特徵和流行趨勢，闡述用錦氨空變彈力絲、粘膠短纖紗以及花色銀絲等多種元素設計絢麗彈力面料的過程，並重點分析織造過程的技術關鍵。
  4. Apoplexy may lead to disability or beath, is known to be verydangerecus for hyman health. inclinical data, apoplexy is shown to be preventable or curable. the thesis presents the mechansm and the method to avoid the internal infury leading impairment or to the death. morbidity and internal cauce are shown to be the major factors, responsible for the deseace. apoplexy is happening and changing are shown to relate to the age, blood pressuce, mentalith, climate, feeling etc, among which, high blood pressure is shown to the culpril inducing apoplexy

    卒中是可以預防或推延發病的，唯需「未病先防，既病防變」 ，始可收效.其病因機制是「內傷積損頹敗」 ，強調內因是主要的，有時是綜合因素致病.其發生和變化與年齡、血壓、代謝、氣候、情緒、飲食等有密切的關系.尤其高血壓是誘發卒中的元凶，預防卒中的關鍵在高血壓、小中風、高血脂癥等的防治
  5. By means of analytical methods based on upper bound element technique ( ubet ), non - axisymmetric element, simulates the forming process of non - axisymmetric involute teeth spline has been introduced, formula of speed fields been derived and the deformation regularity of steady extrusion on the forming process successly described

    摘要本文運用上限單元技術（ ubet ） ，引入非完全軸對稱單元，模擬了非完全軸對稱零件漸開線齒外花鍵的成形過程，推導出了成形過程中的速度場公式，並成功地描述了擠壓過程中的變形規律。
  6. Solving the wire loop profile for which nonlinearity mainly caused by plastic - elastic forming is a challenging work, a finite element model has been proposed to simulate the wire loop profiling, in which beam23 has been selected as calculating unit, and the trajectory of capillary is divided into many displacement loads and applied on the wire step by step

    摘要針對引線成形過程中的材料非線性和幾何非線性問題，選用塑性變形梁beam23單元建立有限元模型，通過時引線分階段分步施加位移載荷模擬鍵合頭的運動軌跡，求解得到相應的引線輪廓形狀。
  7. Through analysising the characteristics of the power system with floating neutral point deeply, the paper puts forward a new plan of single - phase to ground fault line selection on the base of s ' s signal injecton method and gives the hardware and software design. in this design, the high speed sampling and data processing is carried out through using dsp processor ; the large electrice current is drived through the application of a high - performance audio power amplifier and transformer ; the communication between host computer and detectors is realized through rs485 bus technology ; the difference multilevel frequency - selected amplifier is designed and the feeble signal of space is sampled on the base of the theory of magnetic induction ; the interface between dsp and exterior chip and rs485 interface logical is designed through using fpga ; the using of lcd module and keyboard interfacing chip makes the interface between human and machine ; the programme of host computer and detectors is designed through using blocking design method

    在本設計中，採用高速的dsp處理器，實現了對故障特徵信息的高速採集與處理;採用大功率的功放晶元與變壓器配合的方法，實現了大電流信號的驅動輸出;採用485總線技術，組建了裝置主機與多探測器之間的主從式通訊網路，實現了多干擾條件下裝置主機與多探測器的可靠通訊;設計了差分式多級選頻放大電路，採用磁感應的方法實現了對空間微弱信號的接收;利用fpga技術，實現了控制器與多外設的介面及數字信號的串並轉換;採用了先進的lcd液晶顯示模塊及鍵盤介面晶元，設計了人機信息交互的介面;採用了模塊化的軟體設計方法，開發了裝置主機及探測器的軟體程序。
  8. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感器在兩主軸方向的靈敏度大致相同，敏感元件採用高度對稱的四梁結構，其中每個軸向上均採用帶折疊梁的雙側叉指電容結構，採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件，具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算，並利用有限元法進行了模擬分析，根據模擬結果得出了優化參數;在確定敏感結構的基礎上，研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析，利用差動測量技術得到由振動引起的微小電容變化量，經c - v介面電路進行相位調制處理，然後通過解調輸出與加速度成正比的電壓信號。
  9. As a heavy - populated country, china is faced with economic system reform, and the elements of pred system are full of contradiction. county level administrative units are key segment of sustainable development, so it is urgent to study county level pred system evolution

    作為發展中的人口大國，我國目前又處于經濟體制轉型時期， pred系統各要素間的矛盾尤為突出，縣級行政單位是落實可持續發展行動的基礎單元和關鍵環節，因此，作為全國pred系統基礎的縣域pred系統演變研究更是迫在眉睫。
  10. The project plans to implement the main studies in five aspects on the three key scientific issues and considering the needs of practical control, which include : 1 ) study of mechanisms and regularities of water cycle and water resources evolution in the haihe river basin ; 2 ) study of evolutionary and restoration mechanisms of water environment and ecology in the haihe river basin ; 3 ) study of basic theories and methodology for the assessment of utility of moisture use on different scales ; 4 ) study of mechanisms of water cycle and high efficiency water use for farmland and urban units ; and 5 ) study of integral multi - dimensional critical control of water cycle system of river basins

    圍繞三大關鍵科學問題，結合實踐調控需求，項目擬開展五方面的主要研究：海河流域水循環與水資源演化機理與規律研究；海河流域水環境與生態演變機理與修復基礎研究；不同尺度的水分利用效用評價基礎理論與方法研究；農田與城市單元的水分循環與高效用水機制研究；流域水循環系統的整體多維臨界調控研究。
  11. Find the law of the influence from the injection pressure to the filling time and the cavity pressure and make certain of the best filling time, injection time and injection pressure. though the analysis of the flowing velocity and pressure spread of the key position element in the injection parts in different gate position, we forecast the injection parts quality and the possibility injection flaw and its position, optimize the gate position. in this paper, though the research of analogue of the runner system of metal - powder injection molding and the process of injection molding, we get the law of how the injection parameter influence the injection process

    在相同的注射條件下，通過分析喂料在不同直徑和長度流道中的流動規律，得到了喂料在流道中的速度場、壓力場和溫度場，找到了流道長徑比的合理取值范圍，並得出通過改變流道設計可實現對現有設備資源充分利用的結論；給出了不同注射壓力下，型腔壓力與充模時間關系曲線和喂料熔體平均充填速度與充模時間關系的曲線，得到了注射壓力對充填時間和型腔壓力的影響規律，確定了最佳的充模時間、注射時間和注射壓力；通過分析採用不同位置澆口注射時注射件關鍵位置單元的流動速度和壓力分佈，預測了注射件的成形質量，或可能產生的注射缺陷及位置，優化了澆口設置。
  12. During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied

    在溫度場的模擬中，模擬結果表明，保壓時間是影響製件成形質量的關鍵因素之一，擠壓速度、液態金屬澆注溫度、預制體預熱溫度和模具預熱溫度等工藝參數對溫度場的影響也很大，需進行參數之間的協調，只有當變形區內部始終維持準固態時，才能實現穩定的液-固擠壓成形過程；在變形場的模擬中，根據液態浸滲擠壓的成形特徵，選用了雙曲正弦剛-粘塑性有限元計算模型，研究了變形過程中應力應變場的變化規律，研究了模角對變形和金屬流動的影響及變形力的變化過程和其影響因素。
  13. Performance for a piezoresistive transducer pressure sensor to thermal and pressure environments can be predicted by finite element method. a simplified 1 / 8 model, considering silicon dioxide and nitride process as well as stack anodic bonding and adhesive bonding processes, was developed. the fem results were found to be comparable to experimental data. case studies suggested that pyrex stack induces certain amount of non - linearity, while it isolates hard epoxy nonlinear effect. flexible epoxy bonding or soft adhesive bonding is preferred to the packaging process. the viscoelasticity and viscoplasticity of bonding material will result in hysteresis and drift errors to sensor output. however, soft adhesive s influence on sensor can be ignored under relative stable environments. more over, detailed design and process information will help to improve modeling application

    熱、壓環境下壓阻變換壓力傳感器的性能可以通過有限元方法預測.這里研究了簡化的1 / 8模型，模型考慮了二氧化硅和氮化硅生成過程及堆陽極鍵合和膠粘結合過程.結果發現有限元預測結果和實驗數據具有可比性.範例研究表明，硼硅堆導致產生一定的非線性，但它隔離了硬環氧樹脂的非線性.在包裝過程中最好使用柔性環氧黏合或軟黏膠性結合.黏合材料的黏彈性和黏塑性將會導致傳感器輸出的滯后和漂移誤差.然而，在相對穩定的環境下，軟黏合劑對傳感器的影響可以忽略.此外，詳細的設計和過程信息有助於提高模型的適用性
  14. In the thermal fusion device, the materials of the plasma facing components are expected to have high thermal resistance and outstanding heat conductivity. using a single kind of material, however, can not meet the above two requirements at one time. therefore, the joining technique is regarded as a proper approach to improve the properties of the conventional materials

    在熱核聚變反應裝置中關鍵結構件「面向等離子體」元件要求材料具備良好的耐高溫性和導熱性，而現有的單一材料不能同時滿足該要求，因此，通過連接技術將現有材料進行改善是合適的。
  15. If all errors belong to single or multiple temporary 0 1 - error or stuck - at - error produced by one module, then these errors can be corrected effectively. the results obtained from the simulation validate the correctness of the cl - acl structure. analytic results show that the delay of the cl - acl structure is dramatically less than that of a dmr structure using alternating - complementary logic mode

    這些粒子所引起的干擾不僅將改變存儲單元的邏輯值，而且將導致邏輯電路產生瞬時輸出脈沖，如果這些脈沖在某個關鍵的時間段里產生，比如在時鐘或數據的變化過程中，那麼它們將間接地使其它電路的狀態產生變化。
  16. In chapter five, the structure and principle of hadamard transform imaging spectrometer are deseribed. method of manufacturing marks, the key element of the spectrometer by applying computer technology lithography is given, practical masks are obtained by this method, errors of the mask that affected the measurement result are modulaton, finally discusses the limitation of hadamard transform imaging spectrometer ' s application

    阿達碼變換成像光譜儀的關鍵元件是編碼模板，給出了應用計算機技術、光刻技術等先進技術製作編碼模板的方法，並應用該方法製作了31x33碼元二維移動方式下的空間編碼模板， 31x33碼元一維移動方式下的空間編碼模板，以及63碼元的光譜編碼模板等。
  17. The difference between the magnetic moments for the samples with respective doping level can be ascribed to the variation of the competition between thermal effect and the magnetic coupling. based on the spin orientation rotation of dy sublattice as well as the antiferomagnetic coupling between dy sublattice and mn sublattice, we successfully elucidate the changes of magnetic structure in perovskite compounds s. electron spin resonance ( esr ) study on perovskite compounds on the basis of chapter 4, we give further study on micromagneticism of dy - doping perovskite compounds la0. 67 - xdyxsr0. 33mno3

    其中第一節簡單回顧了早期對a位雙稀土元素元素摻雜鈣鈦礦化合物的研究，早期研究較多的是替代元素的離子半徑變化上，由於替代離子半徑的改變，使a位平均半徑變ylll化，致使公差因子改變，使mn o長、鍵角變化，晶格效應的作用使化合物的磁性、電性、 cmr效應發生改變。
  18. It directly affects the engine ' s working reliability whether it ' s good or not. according to the past method, piston can only be decided whether it meets the need of engineering in test after it has been turn out. this paper simulates the real working condition of piston by combining the ked method and fe - contact analysis way. it reflects deforming rule of piston, and makes it possible that the structure problem of piston skirt can only be found during the design period, so the cost of developing new product is lowered and the time is shorted. this paper proves that the thought is practical and the result of simulation to piston lr4100 is in accord with practice

    活塞裙部形線是活塞的關鍵結構之一，它的好壞直接影響發動機工作可靠性，以往的判定方法只有在活塞加工完成後，才能通過實驗方法判定設計，能否滿足工程實際的需要，本文通過ked方法與有限元接觸方法的結合，模擬實際活塞工作情況，較為準確的反映出，活塞裙部的變形規律，在設計階段發現活塞裙部的設計結構問題，節省新產品開發成本，縮短開發周期。
  19. The array _ values ( ) function returns an array containing all the values of an array

    函數將返回整個數組元素，並將元素中的鍵變為數值鍵。
  20. In addition to these, the most important chips are cpld which can be upgrated and expanded easily, which makes it possible that the capability can be optimized and the operation can be expanded without changing the hardware. the type of the bus controlling based on the cpld ensures the operatings are processed in the same pri, and then it can let another chips deal with the processing when some chip can not afford

    保證的對信號和業務處理能力，而且關鍵晶元均採用可編程邏輯器件，有較強的升級和擴張能力，可以保證硬體不改變的情況下進行性能優化和業務擴展。基於cpld的總線控制方式也可以實現業務功能的均勻分擔，可部分實現某些晶元處理性能不夠的情況下講部分處理業務分擔至其他晶元。
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