直接電位法 的英文怎麼說
中文拼音 [zhíjiēdiànwèifǎ]
直接電位法
英文
direct potentiometric method- 直 : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
- 接 : Ⅰ動詞1 (靠近;接觸) come into contact with; come close to 2 (連接; 使連接) connect; join; put ...
- 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...
- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
- 法 : 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...
- 直接 : direct; immediate
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This paper presents our research in actuating in - vivo micro - robot based on the capsule endoscope platform by the external power. while seeking secure driving method we take several factors into account, such as driving environment, power transmitting and consuming, motion requirement and controllability, and locating technique. we mainly deal with driving the capsule with spatial gradient magnetic field, so we employ combined electro - magnetic coils, including gradient coils and homogenous coils, which have rotational dof around a translatable patient bed, to compose a controllable uniform gradient which act on the permanent - magnet embedded robot, thereby get an appropriate spatial force and torque to fulfill the anticipant locomotion such as move, stop, pitch and yaw
基於驅動環境、能量供給和消耗、驅動動作要求及驅動安全性與可控性,定位方案等多方面考慮,尋求安全可靠的腸胃檢查微機器人的外部驅動控制方法,並著重研究直接利用外磁場磁力驅動微機器人:在微機器人內部嵌入永磁性體,利用體外的組合電磁線圈產生加載電流控制的驅動磁場,其中外部的電磁線圈由多組梯度線圈和勻場線圈組合構成,通過繞病床的旋轉以及病床的平移共同控制微機器人所在位置的磁場強度及梯度,作用於微機器人內嵌磁體以獲得空間意義上的必要驅動力和調整轉矩,從而有效地完成驅動動作要求。The algorithm can not only eliminate the influence of the cumulative errors of the photoelectric code recorder, but also it can satisfy the requirement of the real - time control. a direct inverse model controller of fuzzy neural network with changeable structure based on takagi - sugeno inference is presented and it is used to the motion control of mobile robot. in order to avoid the obstacles successfully, detection results from ccd and ultrasonic sensors are fused by a fuzzy neural network, which acts as an avoidance controller
包括移動機器人的融合自定位問題:移動機器人利用光電編碼器進行自定位,同時用擴展卡爾曼濾波器融合多個超聲波傳感器的測量值,採用回朔演算法將融合值用於復位光電編碼器,消除了光電編碼器累積誤差的影響,並能滿足實時控制的要求:並提出一種基於takagi - sugeno模型的變結構模糊神經網路直接逆模型控制器,並應用於移動機器人的運動控制;利用模糊神經網路避障控制器融合ccd攝象機與超聲波傳感器探測到的環境信息,以實現機器人的安全避障。In the process of manufacturing printed circuit board ( pcb ), every board has to be drilled based holes firstly. so the precision of based holes greatly influence the quality of pcb
在印刷電路板生產中,定位孔的精度對pcb加工質量有很大影響,傳統的加工方法是靠人眼直接瞄準,影響定位精度和生產速度。Modal bode plot theory for diagnosing the rotor imbalance axial position and rotor imbalance type is presented based on advanced rotor dynamics theory and field balancing rotating machinery theory and comprehensive experience of field balancing steam - turbine generator set
摘要基於轉子動力學理論、汽輪發電機組軸系現場動平衡理論和工程實踐經驗,提出可直接判斷軸系不平衡軸向位置及不平衡型式的振型波特曲線方法。There is an urgent demand for both the public and the private sectors to understand the current situation, characteristics and trends of the outward direct investment made by the electronic information industry, so to implement necessary measures to enhance the outward direct investment. based on the case studies, this article analyses the motivations, investment modes as well as the location of the current direct investment made by the chinese electronic & information enterprises
本文用實證方法,對中國電子信息企業對外直接投資的動因、投資方式及投資區位進行了分析,並通過swot方法剖析了電子信息產業及電子信息企業目前對外直接投資的強勢、弱勢、機會和威脅,在此基礎上提出了增強電子信息產業對外直接投資的宏觀和微觀的建議。The subject of this thesis is to study ironless moving coil linear permanent magnet synchronous motor and the major works in this thesis are summarized as follows : 1 ) two analytical formulas are derived by concentrated current method and distributed current method to determine the magnetic field due to pm, based on the current model of pm. besides, two method ( magnetic charge method and solution by laplace equation method ) are also introduced with comparing their advantages and disadvantages. then the effects of the motor parameters on the flux distribution are discussed
本文對空芯動圈式直線同步電動機進行了深入細致的研究,內容包括: ( 1 )採用電流模型推導出兩種計算永磁磁極二維氣隙磁場的解析公式(集中電流法、分佈電流法) ,同時介紹了兩種永磁電機氣隙磁場計算方法(磁荷法,直接求解拉氏方程法) ,分析各種方法的優缺點,討論電機參數對氣隙磁密的影響; ( 2 )介紹了單層同心繞組的布置方式,根據安培定律推導出空芯動圈式直線永磁同步電動機的靜推力計算公式,分析靜態力?位移特性; ( 3 )建立空芯動圈式直線永磁同步電動機動態模擬模型,模擬不同驅動方式下電動機起動、穩態運行時電磁力、速度、位移的變化情況。This paper uses general sensing system made of temperature sensors, pressure sensors and liquid level sensors with no directly power supply to realize optically powered measurement of oil tanks liquid level, thus solve the problem that general electricity method applied to the flammability and explosive environments
本課題以實現油罐液位的光推動測量為目的,利用常規溫度、壓力、液位等電測敏感元件組成的傳感系統在無需直接供電的光推動模式下工作,使其解決了常規電測方法難于在易燃易爆場合下應用的問題。Using the vector potential, the expression for calculating inductance of air - cored solenoid coil is derived in the dissertation. and the calculating methods of function t in the calculating expression are given for the convenience of the calculation of inductance while the precision is not strictly requested
利用矢量磁位a直接推導出了通電空心圓柱線圈電感的計算表達式,給出了求解計算式中函數t的計算方法,以方便精度要求不高時的電感計算。Intense pl band at 300 - 570nm, whose central position was found red - shifted with the increase of o content, was observed in the a - sihxoy thin films fabricated by pecvd. thin films with strong blue pl peaks were prepared by plasma oxidation, and the result directly proved that the blue pl peaks were originated from si - o defect levels
通過pecvd法與放電等離子體氧化技術結合獲得了主峰位於藍光波段的熒光帶,而且具有分立峰結構,其結果直接證明了藍光發射與缺陷能級有關,起源於si - o結合特定組態而形成的發光中心。In theoretical analysis, finite element method is firstly used to solve the mechanical - electric coupling problems in a flexible plate with piezoelectric elements and to obtain structural vibration modal shapes. focusing on collocated type of piezoelectric sensors / actuators, the maximum determinant of fisher information matrix criteria is chosen as the optimization function and then simplified to determine an optimal principle for the best location of piezoelectric elements
本文研究柔性板振動控制中壓電元件的位置優化設計問題,針對壓電傳感器和驅動器的同位布置結構型式,將壓電元件的有限元分析方法與d優化設計準則相結合,直接利用結構的模態振型確定壓電元件在柔性板上的最優位置。However, df pre - processing is not required in a interferometer direction finder. it only makes use of the phase relations or differences of sensors disposed at different position. azimuth and elevation are caculated from the phase differences or displayed directly on a crt drived by the voltage or current from the phase differences
干涉儀測向不必進行測向信號預處理而是直接或間接求取在空間上分開的傳感器上感應電勢之間的相位關系,即干涉相位差,方位角或仰角是直接由干涉相位差計算得到,或將兩基線正交的天線陣的干涉相位差轉化為驅動電壓(電流)分別加到crt陰極顯示器的垂直偏轉線圈和水平偏轉線圈,模擬顯示出來波方位,干涉儀測向為典型的相位測向方法。Second, as currently study of hot point, back ? emf, it will discuss the principle of the sub - position examination in detail. based on the principle, it put forward a kind of improving back - emf method of crossing - zero checking turns position. but this did n ' t resolve to the root problem that the speed scope is very narrow and it need an in expiation of speed error and so on. thus it put forward a new improvement method at next chapter
其次,就目前所研究的熱點? ?反電勢法,詳細討論了其轉子位置檢測的原理,在此基礎上提出了一種改進的反電勢過零點檢測方法,其可直接從電機端部得出反電勢對地的電壓值,而不是通過電機中心點電壓來得到反電勢。Then using ecbp21 antibody and immunogold transmission electron microscopy method, we studied the subcellular localization of ecbp21. the results indicated that the gold particles were mainly localized in the cell wall in callus cells and rachis cells of angelica dahurica. these results indicated that ecbp21 mainly localized in cell wall, which provide a direct evidence of the extracellular existence of ecbp21. furthermore, using ecbp21 antibody and immunohistochemical method, we studied the organic specially distribution of ecbp21, the results indicated that ecbp21 distributed in all organize, but it distributed more in leave n flower rachis than in leafstalk and root
首先,構建了ecbp21表達載體,誘導了重組蛋白的表達,並通過膠回收法獲得了大量純化重組ecbp21蛋白,制備了高效價、高特異性抗體;隨后,利用ecbp21抗體,結合免疫膠體金電鏡定位技術進行了ecbp21亞細胞定位研究,結果顯示:在白芷愈傷組織細胞和花序軸細胞中金顆粒主要分佈在細胞壁區域,而在細胞內未發現或僅有少量金顆粒分佈,表明ecbp21蛋白主要定位於細胞壁區域,這為細胞外cambp ( ecbp21 )的胞外存在提供了直接證據:進一步,利用ecbp21抗體,通過免疫組織化學分析研究了ecbp21組織特異性分佈狀況,結果表明ecbp21在白芷各組織中均有分佈,但在葉、花、花序軸中分佈較多,而在葉柄、根中分佈較少。Ir - ta - ti metal oxide coated titanium anodes of variable composition were prepared by thermal decomposition. their micro morphorogies and electrochemical properties were characterized by scanning electron microscope, open circuit potential, cyclic voltammetry, consumption rate measurements and accelerated life test. the sem results indicated that all coatings were of a porous and cracked - mud microstructure influenced greatly by the composition of coatings. the electrochemical measurements showed that the ir - ta - ti ternary oxide - coated anodes exhibited excellent electrochemical activity and electrochemical stability in both acidic media and seawater which were affected by the composition and microstructure of the coatings. owing to good corrosion resistance and low consumption rate in seawater, metal oxde coated anodes belong to insoluble material, and can be potentially applid in impressed current cathodic protection systems as an anode
採用熱分解方法在鈦基體上制備銥鉭鈦金屬氧化物陽極,用掃描電鏡對陽極塗層顯微形貌進行分析,通過強化電解壽命試驗、開路電位測試、消耗率試驗及循環伏安曲線研究了金屬氧化物陽極的電化學性能. sem分析結果表明銥鉭鈦金屬氧化物陽極塗層呈現多孔多裂紋形貌結構.隨陽極塗層組成不同,塗層顯微形貌表現出很大差異,這種差異直接影響陽極電化學性能.電化學性能試驗結果表明銥鉭鈦金屬氧化物陽極在酸性介質和海水中具有良好的電化學穩定性和電化學活性.此外,銥鉭鈦金屬氧化物陽極在海水中的消耗率很低,屬于不溶性的陽極材料,作為外加電流陰極保護用輔助陽極具有廣泛的應用前景A coherent electromagnetic pulse in the range between the far - infrared and microwave region is used as a detection source. the amplitude of the wave is recorded by electro - optical or photoconductive sampling. after fast fourier transform, the amplitude and phase of the wave is given, then the complex refractive index standing for the absorption and dispersion of the material in thz region is extracted
Thz ( 10 ~ ( 12 ) hz )時域光譜技術是20世紀90年代發展起來的一種新型的光譜測量技術,它使用頻率介於遠紅外和微波之間的相干電磁輻射脈沖作為探測源,利用電光取樣或光電導取樣的方法直接記錄thz輻射電場的振幅時間波形,通過傅立葉變換得到測量信號振幅和相位的光譜分佈,進而獲得材料在thz波段的復介電常數,即色散及吸收等信息。It can be seen from dtc space vectors whose flux linkages are discrete in space that the dtc method is also a discrete control approach for motor drives, which is consistent with ac step motion control in control ideology. but in dtc control, fast torque response and speed performance are the final objective, which can not achieve position control of synchronous motors
從直接轉矩控制中的空間電壓矢量的概念可知,它也是一種電機的離散控制策略,磁鏈在空間是離散化的,和交流步進理論的控制思想是一致的,但是它最終是為了較快的轉矩響應和速度調節特性,無法完成同步電動機的位置控制。To find a proper and convenient way in electron emitter research, in the paper, we have discussed the essential and possibility of setting up a new pld ( pulsed laser deposition ) device which connects with aes ( auger energy spectra ), and built such device in order to complete cathode deposition and analysis without exposing to the atmosphere and carried out cathode in - situ preparation and analysis electron emission phenomenon is a physical process taken place in surface of electron emitter
為了解決電子發射體(陰極)研究方法中存在的問題,並尋求一種適當的、方便的陰極研究實驗方法,本論文論證了建立與aes相連的pld裝置的必要性和可行性,並實際建立了這一裝置,實現了陰極的原位沉積、原位分析。電子發射現象是在電子發射體表面發生的物理過程,發射表面是由活性元素構成的動態平衡系統,這一系統直接決定電子發射性能。表面分析手段對陰極研究是必不可少的。At the same time, neural networks ( back - propagation algori - thm ) is applied to calculate the dangerous factors ( the voltage and the electric field intensity in tanks ) which can not be measured on the spot, and to aid fuzzy fdcontrol. thus the dangerous factors can be supervised and controlled, and electrostatic explosion is prevented
同時還輔之以神經網路( b ? p演算法) ,對不能直接現場測得的因素(艙內電位,電場強度) ,用離線神經網路進行預測,為模糊控制服務,從而達到對各種危險因素的監控,達到防患於未然的控制目的。The experimental results show that the effect of ib is much larger than that of the noise on estimating ionospheic delay, and ib can cause ionospheric delay measurements to include systematic errors of the order of several meters. therefore, one must significantly take notice of ib and remove its negative effect, and should not casually consider ib as part of noise whenever gps data are used to fit ionospheric model or to directly calculate ionospheric delay. ( 3 ) stability of ib is studied with a refined method for separating it from ionospheric delay using multi - day gps phase - smoothed code data
算例表明,新方法通過採用平均去噪分離方法后處理相位丞于g陀的電官唇監剝及延遲改正工論與方法的研究平滑測碼數據,求出儀器偏差並對需要實時處理儀器偏差的觀測數據進行預報改止,直接利用觀測值確定電離層延遲量,待估參數少、能消除儀器偏差的大部分影響,具有較好的精度,可作為waas及其他gps網路系統確定電離層延遲的可行的參考方案。A novel patterning technology of fine - pitched carbon nano tubes pixels on photo resists layer has been developed by lift - off process. another new sealing technology named flat panel sealed method in vacuum chamber for fed or other electro - vacuum devices has also been developed. the screen printed carbon nano tube field emission display device fabrication process has been set up and a 2
建立了一種採用光刻膠作掩模的直接剝離方法,並可獲得高密度線條分佈的碳納米管冷陰極;建立了一種電真空器件的真空原位平面封裝方法;建立了一整套較為完善的碳納米管場發射冷陰極印刷制備及場發射顯示器件制備的工藝流程,並成功獲得2 . 2英寸碳納米管動態顯示原理型樣機。分享友人