轉晶法 的英文怎麼說

中文拼音 [zhuǎnjīng]
轉晶法 英文
rotating crystal method
  • : 轉構詞成分。
  • : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  1. Several cd1 - xznxte ( with the original concentration of x = 0. 04 ) crystals of different sizes were grown by bridgman methods modified with the accelerated crucible rotation technique ( acrt - b )

    本實驗採用加入加速柑禍旋技術的bridgman,生長了兩種不同尺寸的cdl _ xznxte (起始組分為x = 0 . 04 )錠。
  2. In the wafer - cycle fitting algorithm, comparing with circumgyration radius approach, track fitting approach, and least square circle fitting approach. in the wafer pre - alignment system, the wafer square fitting algorithm - least square circle fitting approach, based on optical linear ccd sensor, as well as the theoretical error analyze of this algorithm

    圓檢測演算方面,比較回半徑、軌跡擬合以及最小二乘圓,選擇光學線陣ccd的圓圓心最小二乘圓作為系統圓圓心的檢測方
  3. Here is the result, during yvo4 odd - crystal growing under cz method, while fusibility contain nature - convection by temp - grads and impose - convection by crystal - circumvolve, which make it difficult to growth large dimension odd - crystal

    數值模擬的結果表明,在cz生長yvo _ 4單過程中,由於熔體中存在著因溫度梯度引起的自然對流和體旋引起的強迫對流,使生長大尺寸單有著一定的困難。
  4. Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test

    監測儀能夠完成包括三相電壓、三相電流的有效值、功率因數、三相不平衡、電壓短期閃變、以及20次內的諧波、諧波相位、諧波失真總量等的測量。論文重點介紹了以下幾部分: ( 1 )電路的總體設計和功能; ( 2 )硬體設計,包括a d換、鎖相環、液顯示和按鍵輸入等原理和電路。 ( 3 )系統軟體設計,包括a d換、 fft 、數字濾波等程序的原理和演算以及上位機監控界面的設計; ( 4 )系統測試。
  5. The influence of the cloud droplet spectrum character and the spectrum growth and change is considered, which does not use a cut - off value for conversion from cloud water into rain water process. in the continuous coalescence equation, the particles fall velocity difference is not moved out from the integral, but is integrated in the equation as the function of diameter d to avoid the error of using particles average fall velocity. in the new scheme, generation rate of graupel due to the collection of snow by graupel and the collection of cloud ice by graupel are included

    雲中凝結核ccn的數濃度採用超幾何函數表示;雲水向雨水的自動換過程採用grabowski ( 1999 )的公式,考慮了雲滴譜的特徵和發展變化對該過程的影響,而不是採用原方案給定閾值的方描述該過程;對連續碰並方程不再將粒子落速差作為常量提出積分號外,而是直接作為粒子直徑函數在積分號內求解,這樣處理可以迴避使用粒子群的平均落速帶來的誤差;增加了霰和雪、霰和冰的碰並微物理過程。
  6. Our video post - processing algorithm can only convert several tipycal types of interlaced signals to de - interlaced signals. while the 21 types of video display formats must be achieved by video display module. in this dissertation. we provide the design method of video display module in detail based on the introduction of multiplicate video display formats. at the mean time, in order to improve image quality further, by analyzing and comparing a variety of currently popular image sealer methods. we provide a alternative way for selecting appropriate image sealer methods

    視頻后處理演算只針對幾種典型的輸入制式進行隔行變逐行的換,而多達21種的視頻顯示格式主要通過視頻顯示模塊來完成,因此,本文在介紹多種視頻顯示格式的基礎上,詳細介紹了針對我們目前版本的視頻后處理元視頻顯示模塊的設計方,並且為了在視頻后處理元的后續版本中,進一步提高視頻顯示的質量,本文對圖像插值的方也進行了探索,通過比較和分析目前多種流行的圖像插值方,得到了后續版本圖像插值方選擇的方向。
  7. Our approach differs from a recent theoretical paper that dealt with the possible conservation of the combined spin and orbital angular momentum in relation to the susceptibility of the down - conversion crystal

    我們的方與新近一些理論文章提出的方是不一樣的,他們處理自旋角動量和軌道角動量可能的守恆當中涉及到了下體的磁化系數。
  8. 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、液顯示控制、鍵盤控制、遠程控制、模擬、復位、邏輯電平換、 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應方式,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、速度和加速度狀態反饋的控制演算的程序設計。
  9. The connection between the torque and the polarized charges is established. on the base of mathematical model of torsional effect, using multivariate unrestrained nonlinear optimization method, we research cutting angles and parameters of crosssection to get best torsional sensitivity

    在建立石英體扭效應模型的基礎上,應用多變量、無約束非線性優化方對于體切型、截面形狀等參數進行了優化,以獲得最佳扭靈敏度。
  10. The results indicated that, the fabrication process of ultra - fine grain material is mainly determined by the stress, rotate speed and the flux of cooling water. the grain refining and the hardening effect are mostly affected by the rotate speed and the flux of cooling water. compared with commercial ly12, the invalidate strength and the prolongation rate of the ultra - fine grain material are properly improved in the measurement of compression property ; and the abrupt change of the dilatability of the ultra - fine grain material at 500c is found ; also the phenomena of which the grain size of these microstructures is stable when annealed under 300c is observed

    研究表明,採用本文提出的摩擦壓扭強變形區可以得到棒狀的超細材料,軸向壓力、扭速度和溫度是採用該方制備超細材料的主控參數;試件的旋速和冷卻速度對變形區粒細化和硬化效果影響顯著;超細ly12的壓縮性能與淬火+自然時效狀態的ly12壓縮性能相比,斷裂強度和延伸率均有一定程度的增強;超細ly12的熱膨脹系數在550左右發生明顯的變化。
  11. 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;採用大功率的功放元與變壓器配合的方,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換;採用了先進的lcd液顯示模塊及鍵盤介面元,設計了人機信息交互的介面;採用了模塊化的軟體設計方,開發了裝置主機及探測器的軟體程序。
  12. The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film

    試驗結果表明:所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求;聚四氟乙烯樹脂熱分解溫度超過400 ,但在ptfe中加入無機填料會使復合材料吸水率提高,熔融溫度及分解溫度降低,且伴有氧化分解反應;碳纖維表面含有c = o及c - o - c等極性基團,有利於提高其與其它組分的相容性,提高層間剪切強度;均勻設計試驗方能夠用較少的試驗次數找出配方與摩擦性能間的關系,擬合曲線基本能表示各配方的摩擦系數發展趨勢;配方中不加銅粉或不加石墨,其摩擦系數均較高,說明銅粉和石墨應該配合使用;當銅粉15份、石墨60份時,銅粉30份、石墨30 - 40份時,銅粉60 、石墨15 - 30份時,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻時結度最大,磨損量也是三者中最大的;同時,固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的:不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副,在金屬表面均可形成潤滑移膜,從而減少金屬摩擦副表面間的直接接觸,大大延長其使用壽命;移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。
  13. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級速率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方;其次,以空間相關的速率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功率ld泵浦nd : yag激光器和透鏡組耦合高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液盒,觀察到了激光器以單縱模運;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方,並進行了理論和實驗研究,研究結果表明:當激光體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律,測量范圍和靈敏度依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏度提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  14. P - type silicon crystal plates have been adopted in the text, which are formed mask sio2 by heat - oxygenation. and figures are diverted by normal light etching technology

    本文採用p型單矽片,由熱氧化形成sio _ 2掩膜層,標準光刻工藝進行圖形移,用koh溶液濕刻蝕製作倒四棱錐腐蝕坑列陣。
  15. A brief introduction to the x - ray crystallographic studies on rna polymerase complexes and the enzymatic mechanisms revealed by the crystal structures

    摘要用x射線體學方測定的一系列rna聚合酶復合物結構揭示了真核錄的分子機制。
  16. In this article the chelating precipitation method and the converting precipitation method were chosed to synthesis zno nanoparticles on the basis of the theory of synthesis of nanoparticles by precipitation. uniform and dispersed zno nanoparticles were prepared by the two methods because zn2 + of conformation crystal was flee slowly and the supersaturation was well controlled. the problem which zno nanoparticles are wide size and agglomerative was solved

    本文根據均相沉澱合成納米粒子的原理,採用絡合沉澱和沉澱合成納米氧化鋅。這兩種方利用溶液中的構陽離子zn ~ ( 2 + ) ,緩慢地釋放出來,有效地控制了溶液中的過飽和度,可以得到粒徑均勻、分散的納米氧化鋅,解決現有制備工藝中納米氧化鋅粒徑分佈寬、易團聚的問題。
  17. Graphite ) and the special viscoelasticity of polymer, interlayer exfoliation of the filler and its nanocompounding with polymers can be realized in the shearing force field of pan - milling, through the effects such as deformation, dislocation, tension - sliding and shearing exfoliation of graphite, the tension - thinning, pulverization of pp, as well as the imbedding, mixing and dispersion of graphite flakes in pp powder etc. the results show that the interlayer exfoliation of graphite and nano - compounding with pp proceeded stepwise, caused by a combination of friction, squeezing, stretching, and shearing in three - dimension during pan - milling

    石墨片層的受限空間影響i一pp / yep25o復合材料中pp結行為,進入石墨片層間的pp分子一部分擇優取向,形成沿( 040 )線方向擇優生長的a一,另一部分相對分子質量較小、運動活性較高的pp分子則受到石墨片層的擠壓和限制而化為y -,在i一pp廳ep250復合材料中, y -相對含童達34 . 8 % 。
  18. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求,課題期間研製了下位機系統硬體和軟體,開發了上位機監控軟體,其中所作的具體工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方來進行水位測量,分別是旋編碼器、液位壓力傳感器和可變電阻器;主控元的選擇,我們選用了高集成度的混合信號系統級元c8051f021 ;實現了信號的採集和處理,包括信號的換和在單片機內的運算;高集成度16位模數元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該元的應用給整臺儀器提供了時間基準,方便了儀器的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  19. According to the phenomenon of friction interface transferring, two techniques of processing ultra - fine grain material were advanced to develop new method of preparing large bulk of ultra - fine grain material efficiently and economically. the first is the friction interface thermo - induced transfer method ( fitt ) for column part, and the second is the cooling friction stir processing ( cfsp ) for flat part

    為探索一種高效率、低成本制備大塊超細結構材料的新方,本文按照摩擦壓扭強變形區連續移的總體思路,提出了兩種具體的制備工藝: ( 1 )適用於棒材的摩擦面熱誘導, ( 2 )適用於板材的強冷攪拌摩擦工藝。
  20. To obtain large bulk material with ultra - fine grain for the requirements of property measurement and engineering utilization, the transformation of friction press - torsion deformation zone was introduced in this paper. both the transmit of heat theory and the plastic mechanical theory were practiced to analyse the mechanical and deformation qualification

    為了得到大塊的超細結構材料,滿足超細材料性能研究和工程應用的需要,本文提出了一種在大塊結構材料內部得到超細的新方? ?摩擦壓扭強變形區
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