電滯的 的英文怎麼說
中文拼音 [diànzhìde]
電滯的
英文
electroviscous-
As a part of zinc air battery, air electrode has become the key factor to the character of zinc - air battery, because of the stagnancy of the zinc electrode which is the anode electrode in the battery
空氣電極作為鋅空氣電池中的一部分,在鋅電極的研究幾乎進入停滯階段的現在,現已成為決定整個鋅空氣電池性能的關鍵。Experimental results show that the bistable of tuned substrate self - bias was determined by discharge gas pressure, discharge power and tuning circuit parameters etc. the bistable exists is because of there is capacitive coupling in icp system and sheath capacitance is nonlinear
實驗結果表明這種跳變回滯現象與等離子體的放電氣壓、射頻功率以及調諧外電路的參數等多種因素密切相聯系。而產生跳變回滯現象的原因是icp中存在容性耦合以及鞘層電容具有非線性特性。The hysteresis loops were detected, it is found that the remanent polarization and the conceive field of the ceramics deceased with the dope of ba2 +. in the composition range of mpb, the conceive field exhibit the lowest value
測試了樣品的電滯回線,發現batio _ 3的摻入有效降低了nbt基陶瓷的剩餘極化強度和矯頑場,在準同型相界組成點,矯頑場達到最小值。Within the framework of the tim ( transverse field model ), using the eft ( effective field theory ) and the mft ( mean field theory ), considering the long - range effects and the interfacial effect, we studied the transition properties of the ferroelectric thin film, pyroelectric coefficient and dielectric susceptibility and triple hysteresis loop of the ferroelectric bilayer structure theoretically
我們應用平均場、有效場等方法,在橫場伊辛模型框架內,考慮贗自旋間長程相互作用和界面效應,對鐵電薄膜、雙層薄膜的相變、熱釋電、介電,以及電滯回線等性質進行了較深入的研究。In the framework of the transverse ising model ( tim ), landau phase transition theory and the electrostatic field theory, we study the physical properties of the ferroelectric thin film, bilayer, sandwich structure, multilayer with a non - polarization slab and a two - dimension polar lattice model with polar defects. the main work and results are as follows : first, the long - range interaction in ferroelectric material is sometimes neglected in the previous studies. we introduce the long - range interaction in the framework of the tim and the landau theory
本文在橫場伊辛模型、朗道相變理論以及靜電場等理論的框架內,對鐵電薄膜、鐵電雙層膜、鐵電三明治結構以及含有雜質層的鐵電多層膜和含有偶極缺陷的二維偶極點陣系統等多層鐵電系統的相變、熱電、介電、電滯行為等物理性質進行了深入研究。We have developed the theory of boundary shielding approximation of electric polarization, from which the values of spontaneous polarization of some typical ferroelectric materials can be derived. the shielded charges in ferroelectricity are in the state of surface bound polaron - dipole whose creation and annihilation must span a potential barrier. by introducing statistical method, four types of typical electric hysteresis loops of some common crystals and ceramics have been given, which are well consistent with the experimental results
利用電極化的邊界屏蔽近似,可計算出一些典型鐵電單晶的自發極化強度.鐵電屏蔽電荷處于表面束縛極化子偶狀態,其產生和湮沒要跨越位壘.由統計方法給出的一些常見晶體和陶瓷的四種典型電滯回線形狀,和實驗觀察到的結果一致Doug glared at his mobile. “ you mean whatever number i press, i get back to you
道格拉斯目光呆滯的盯著他的電話: 「你的意思是不管按哪個,都會回到你這里? 」Different power circuits and control strategy of the single phase inverter in parallel condition are first analyzed, and half - bridge inverter is selected as the power circuit and current hysteresis control is selected as the control strategy
本文首先對單相逆變器的主電路結構和控制電路的結構在並聯條件下進行了比較分析,最後選用了半橋結構的主電路和內環為滯環控制的瞬時電壓電流雙閉環反饋控制方式。We also studied some characteristics of sidagating effect using mesfet fabricated in planar boron implanted process including photosensitive, hysteresis, influence of sidegating effect on mesfet threshold voltage, influence of drain - source voltage on sidegating threshold voltage, influence of exchanging drain and source electrode on sidegating threshold voltage, relation between sidegating threshold voltage and the distance between side - gate and mesfet, relation between sidegating effect and floating gate, and so on
本文還採用平面選擇離子注入隔離工藝,開展了旁柵效應的光敏特性、遲滯現象、旁柵效應對mesfet閾值電壓的影響、 mesfet漏源電壓對旁柵閾值電壓的影響、漏源交換對旁柵閾值電壓的影響、旁柵閾值電壓與旁柵距的關系、旁柵效應與浮柵的關系等研究。A novel cycloconverter - rype three - phase hf link inverter topology for soft - switching based on phase - shifted full - bridge mode is proposed, whose main advantages are as follows : under the conditions of d < i < and overlap - d, the switches of the leading leg are turned on at zvs and the switches of the lagging leg are turned off at zcs and all switches of the cycloconverter circuit are commutated in the overlapping mode in the interval of zero voltage, which makes the circuit realize soft switching to the utmost extent and reliably solve the problem of peak voltage caused by the storing energy of leakage inductance of hf transformer
論文提出一種新型移相全橋軟開關周波變流型三相高頻鏈逆變器,電路的主要優點是:前級移相全橋的移相角控制在_ d _ i和_ ( overlap ) - _ d條件下,超前橋臂零電壓開通,滯后橋臂零電流關斷,並使周波變流器所有開關在零電壓期間重疊換相,使整機開關最大程度地實現了軟開關,並可靠解決了高頻變壓器漏感儲能引起的電壓尖峰問題。If the interfacial coupling of the ferroelectric bilayer is antiferroelectric, we find it is possible to exist triple hystersis loops once the parameters of the two slabs are selected appropriately
當鐵電雙層膜的界面耦合為反鐵電耦合時,發現在適當的材料厚度、反鐵電耦合強度、橫場和溫度的匹配下可以觀察到多態電滯回線。These improved hysteresis control schemes can ameliorate dynamic performance and decrease the tracking error of load currents
這兩種改進的滯環電流控制方法,均能改善系統的動態響應性能,減小電流的跟蹤誤差。Fabrication and hysteresis loops property of pb1 - xsrx tio3 ferroelectric thin films
3鐵電薄膜電滯回線的測試分析Quasi - static test method for ferroelectric hysteresis loop in ferroelectric ceramics
鐵電陶瓷材料電滯回線的準靜態測試方法By compared with the simulation results and the experiment results, we come to the conclusions that : ( 1 ) circuit with assistant network can widen soft - switching extent in lagging arm, reduces duty - cycle loss on the secondary, diminishes switching dissipation of inverter spot - welding power source. ( 2 ) the range of resonant capacitor, the important factor to soft - switching process, not only affects zero - voltage turn - off of power switches, but also affects the range of zero - voltage turn - on of power switches. so resonant capacitors must be considered according to many aspects ; ( 3 ) it easily fulfils soft - switching condition in lagging arm as leakage inductance of power transformer increases, but bigger leakage inductance of power transformer increases opening dissipation of transformer and decreases efficiency of soft - switching inverter power source
通過模擬結果與軟開關點焊逆變器試驗結果的對比分析,得到了如下主要結論:採用輔助網路可以完全拓寬全橋軟開關逆變器的滯后橋臂軟開關范圍,減小了次級占空比丟失,降低了逆變電阻點焊電源的開關損耗;諧振電容是影響軟開關工作狀態的重要因素,其大小不僅影響開關管的零電壓關斷,同時也影響開關管的零電壓開通范圍,因此,諧振電容應該綜合考慮;功率變壓器漏感越大,越容易滿足滯后橋臂的軟開關條件,但是大的漏感也使變壓器的通態損耗增加,降低了軟開關逆變器的效率。The effects of the thickness, the interfacial coupling constant and the temperature on the hysteresis of the bilayer are investigated
我們考察了薄膜厚度、界面耦合強度和溫度對鐵電雙層薄膜電滯回線的影響。The intrinsic hysteresis of a ferroelectric bilayer with an antiferroelectric interfacial coupling is studied within the framework of tim. we find it is possible to exist triple hysteresis loops once the parameters of the two slabs are selected appropriately
對反鐵電界面耦合的鐵電雙層結構薄膜的內稟電滯回線研究中,我們發現在適當的條件下,能出現多態電滯回線。The chip can be widely used in mp3 player, pda, digital camera, cells phone and portable products etc. this thesis first introduces the basic theory of switching power supply. the operating theory of this circuit has been demonstrated. the operating principle and simulation analysis about band gap reference, self - biased current source, one shot circuit, hysteresis comparator, and current - limit circuit have been particularly expounded in this thesis
本文首先闡述了開關電源的工作原理,詳細介紹了本電路的整體工作原理,最後重點介紹了自偏置電流源電路、基準源電路、單穩態觸發器電路、峰值電流限制及低電池電壓遲滯比較器的工作原理,並利用eda工具larker ? ams 、 hspice對電路進行了完整的設計和模擬模擬,給出了合理的電路數據,各子模塊電路的電特性參數均達到或優于設計所需指標。A special circuit is designed to generate square wave with frequency up to 100mhz based on a high speed hysteretic and differential comparator
該電路以一個高速比較器為核心,具有差分、遲滯的特色,可產生頻率高達100mhz的方波。There are many plants that have the character of time - varying, large delay, large inertia in the process of production of modern power station such as the superheated steam temperature, the reheated steam temperature, the water treatment of boiler and the load regulation. some of them have the strong character of nonlinear and some of them are multivariable coupling systems it is very difficult to obtain good effect of control by conventional pid control. it is necessary to set up the mathematics models of controlled plants if applying control means of modern control theory such as self - adaptive control, optimal control , decoupling control and predictive control. and these control systems have large calculation and bad character of real time in general. these disadvantages make them be not able to meet the need of real production process and limit the application of them in modern power station. now the generator units are developing towards large capacity and high parameters. many new kinds of generating electricity means are coming into being. the characers of production units of power station become more and more complex but the demand to quality of control becomes more and more strict. the new control means are in bad need to control them effectively
現代電站的生產過程中存在過熱汽溫、再熱汽溫、鍋爐水處理、負荷調節等許多大遲延、大滯后、特性時變的對象,它們中有些還是具有強非線性特性的對象或多變量耦合系統,採用常規的pid控制手段很難取得良好的控制效果。若應用現代控制理論中的自適應控制、最優控制、解耦控制、預測控制等控制手段,則需要建立被控對象的數學模型,而且往往控制系統的計算量大、實時性差。這些缺點使其很難滿足實際生產過程的需要從而極大地限制了其在現代電站中的應用。分享友人