最後飽和 的英文怎麼說
中文拼音 [zuìhòubǎohé]
最後飽和
英文
final saturation- 最 : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
- 飽 : Ⅰ形容詞1 (吃足) have eaten one s fill; be full 2 (充實; 飽滿) full; plump Ⅱ副詞(充足; 充分)...
- 和 : 和動詞(在粉狀物中加液體攪拌或揉弄使有黏性) mix (powder) with water, etc. : 和點兒灰泥 prepare some plaster
- 最後 : last; final; ultimate
- 飽和 : (在一定溫度壓力下, 溶液可含溶質的量達到最大限度, 不能再溶解, 泛指事物達到最高限度) saturation; saturated
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Powerformer have some changes in constract with the conventional generator , subsequently it also have some new problems in order to have an economical , efficient , credible development and application the structure and the philosophy of electromagnetism of powerformer will be on speaking terms changes electrical design , magnetism design , thermal design and structural design are have some new changes above all , the electromagnetism parameter and the harmonic magnetomotive force of powerformer are studied in this paper first , it mainly utilizes analytics to deduce formula of slot leakage reactance it considers three instances , including monolayer - slot , multilayer isometric - slot and multilayer anisometric - slot then , the analytics and the fem are utilized to calculate slot leakage reactance of stator winding of prototype of powerformer and compare their results second , the theory of utilitzing fem to calculate the reactance of powerformer is simply introduced , including stable reactance , transient and subtransient reactance specially , the saturated influence of the stable reactance is considered then , the results are analysed final , it mainly introduces the influence of harmonic magnetomotive force of stator winding and analyses the harmonic magnetomotive force of stator winding then , it mainly analyse harmonic magneto - motive force of stator winding through arranging various arrays of stator winding and observe their influence
基於上述原因,本文對powerformer的電磁參數以及定子繞組諧波磁勢進行了研究。首先是用解析法推導出powerformer定子繞組槽漏抗的計算公式,考慮了單層圓形半閉口槽、多層等半徑圓形半閉口槽和多層不等半徑圓形半閉口槽三種情況,並對powerformer樣機的定子繞組槽漏抗用解析法和有限元法進行了計算,並比較其結果;其次,簡要介紹了有限元法計算powerformer電抗參數的原理,包括穩態電抗、瞬態電抗和超瞬態電抗,對穩態電抗考慮飽和影響,對結果進行分析;最後,介紹定子繞組諧波磁勢對電機運行性能的影響並對定子繞組諧波磁勢進行了分析。然後通過對定子繞組進行不同排列來分析定子繞組諧波磁勢,看看繞組排列對諧波磁勢的影響。Then enzyme was purified with a deae - cellulose ( 5. 5x50cm ) column, a toyopearl hw - 65 ( 5. 5 x 50cm ) column and a sephadex g - 200 ( 5. 5 x 80cm ) column. finally, the enzyme was purified for 10 folds with the recovery of 17. 4 %. page showed a single band for the purified creatinase
3 、肌酸水解酶的提純酶在硫酸銨飽和度為40 80之間完全沉澱,先後經過deae - cellulose離子層析柱、 toyopearlhw - 65疏水層析柱、 sephadexg - 200分子篩層析柱層析,最終使酶提純10倍,最終得率為17 . 4 。Finally, using the low loss 3 - db three port network as power dividing and combing network and using hmmc 5040s fabricated by agilent co. as single - way amplifiers, with the help of e - plane waveguide to microstrip transition, we have designed a two - way power combing circuit with waveguide as interface ports. in 33ghz ~ 35ghz, the measured saturated output power is about 170mw, and the combing efficiency estimated is greater 70 %
最後,採用我們設計的3 - db三埠網路作為功率分配、合成網路,以常用的微帶e面探針作為微帶-波導過渡結構,採用agilent公司hmmc5040作為放大單元,製作出了波導介面的兩路合成電路,在頻率為33 35ghz實測飽和功率達170mw ,合成效率高於70 。There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not
首先引入開關函數概念,建立了正弦脈寬調制( spwm )逆變器供電異步電動機,考慮主磁路飽和時的變頻調速系統整體數學模型,模擬系統的低頻振蕩;其次從逆變器-異步電動機系統能量轉換角度出發,提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c ( f _ c為逆變器載波頻率)來判定系統是否出現低頻振蕩;最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。Secondly, the third order nonlinear optical properties of these compounds are studied under the excitation of ps pulsed laser with the wavelength of 1064nm using z - scan technique, nonlinear refractive indices and nonlinear absorption coefficients are calculated according to the z - scan experiment curves of the compounds. all the three compounds have self defocusing characters and two photon absorptions. lastly, nonlinear refraction and absorption properties of these compounds are studied by z - scan technique under the excitation of ps pulsed laser with the wavelength of 532nm the self defocusing and reverse saturation absorption are found in these compounds
根據實驗曲線計算了它們在1064nm下的三階非線性折射率和非線性吸收系數,三種化合物都具有自聚焦特性,並且在該波長下,三種化合物均具有雙光子吸收,最後,以皮秒脈沖的532nm為激發波長,採用z掃描方法,研究了三種金屬有機化合物的非線性折射和非線性吸收性質,在該波長下三種化合物仍然表現為自聚焦特性,且其吸收為反飽和吸收。Based on these definitions, all kinds of the equilibrium points are analyzed in control systems with single saturated input. by the above facts, it is necessary in analyzing globally asymptotical stability of the origin that the other asymptotical stability equilibrium points are false ones
在此基礎上,論證了單飽和輸入下,開環,閉環均穩定或其一穩定時的平衡點的分佈規律及判別準則最後指出,當原點全局漸近穩定時,其餘非零穩定平衡點均為偽平衡點的必要性。Soil saturated capacity, capillary capacity, total porosity and capillary porosity showed the trend of the " u " during the successional course of artificial forest, namely, they reduced on the early successional stages, after picea reached mature forest, soil porosity recovered slowly. the content of natural water was mainly affected by capillary porosity. from soil chemical properties analysis, the content of soil organic, humus, ha, fa and ha / fa of topsoil was more than that of bottom layer
即人工雲杉幼林向成熟林演替階段,土壤飽和持水量、毛管持水量及總孔隙和毛管孔隙則減少,在40年生雲杉林達最低值,之後隨著雲杉自疏,微生態改善,林地凋落物分解加快,土壤飽和持水量、毛管持水量及總孔隙和毛管孔有上升的趨勢,毛管持水量是決定林地自然含水量的主要因子。The phase structure of different cu - fe thin films were studied by using grazing incidence x - ray analysis ( gixa ). the texture and residual stress of different cu - fe thin films were measured by scan of x - ray diffraction ( xrd ) and 2 scan with different. the thicknesses of different thin films were characterized by means of small angle x - ray scattering ( saxs ) technique. by using atomic force microscope ( afm ) measured surface roughness of thin films. the component of different thin film was characterized by energy disperse spectrum ( eds ) and x - ray fluorescence ( xrf ). the magnetic properties of cu - fe thin films were measured by means of vibrating sample magnetometer ( vsm ). in addition, the giant magnetoresistance ( gmr ) effects of different films were also measured. the original resistance of the film fabricated by a direction - current magnetron sputtering system is directly affected by bias voltage
利用掠入射x射線分析( gixa )技術對不同cu - fe薄膜的相結構進行了研究;利用xrd掃描及不同角度的2掃描對薄膜進行了結晶織構及殘余應力分析;運用小角x射線散射( saxs )技術測量了薄膜的厚度;採用原子力顯微鏡( afm )觀察了薄膜的表面形貌;運用能量損失譜( eds )及x射線熒光光譜( xrf )對薄膜進行了成分標定;使用振動樣品磁強計測量了不同cu - fe過飽和固溶體薄膜的磁性能;最後利用自製的磁阻性能測試設備測量了真空磁場熱處理前後不同薄膜的巨磁阻值。With the equation for water vapor transfer in unsaturated soil the thesis deduces the equation for liquid water transfer, and then puts forward the coupled calculation method for water vapor and liquid water transfer together, and then build the difference calculation program to realize the coupled calculation under the one - dimension and constant - temperature condition, and put the program into practice with the experiment conditions, the calculation result tallies well with the experiment data, the facts proves the reliabilities of theory deduction and the feasibility of coupled calculation method
最後論文結合非飽和土氣態水遷移引起的含水量變化方程,推導了液態水遷移引起的含水量變化方程,提出了非飽和土考慮氣態水和液態水混合遷移的計算方法,編制差分計算程序實現了一維恆溫條件下液態水和氣態水的禍合計算,並將程序結合試驗條件進行了應用,計算結果與試驗結果較為吻合,表明了理論推導的可靠性和禍合計算思路的可行性。He managed, by the end of the day, to accumulate us 7. 80, having spent about the same amount on a hamburger, a milk shake, a coke and some fries. he was ready to return to his guard duty in heaven, fully repentant
辛勞了一整天,乞丐甲滿心高興,到附近花了約莫一半討得的錢,買了漢堡飽奶昔可樂汽水和炸薯條飽餐一頓,最後剩下七塊八美元。Then according to the essential trial of electric drive system in electric vehicles ( evs ), it is built that the simulation model of induction motor drive system of evs in efficiency optimization control ( eoc ), which suits different motors for simulation and research concerning the running condition of evs. taking nonlinear saturation problem into consideration, simulation study on eoc is proceeded by using an actual motor acting as an example, comparison of eoc with classical u / f control mode is completed at the same time. it is analysed that the variation of losses and their distribution causing by eoc
聯系實際的應用背景,提出了電動車的最大效率控制問題。然後,從電動車電驅動系統的基本特性出發,建立了電動車工況下最大效率控制的感應電機驅動系統模擬模型,通過實例在飽和非線性的條件下進行了最大效率控制的模擬計算。針對感應電機損耗將最大效率控制產生的損耗變化及分佈規律進行了研究,對鐵心損耗的影響進行了分析。At last, the formation and development of transient saturated zone, and the distribution and variation of transient water pressure in the process of infiltration under different rainfall degrees are described by an example
最後,通過算例分析了不同降雨強度下入滲過程中暫態飽和區的形成、發展以及暫態水壓力分佈、變化。Finally, two examples were used to analyse the influence of cycles of drying and wetting on subgrade sedimentation and slope stability of expansive soils, the conclusion is given that the influence of cycles of drying and wetting on strength and deformation must be considered to the foundation or structures which consists of expansive soils
最後我們採用兩個算例分別計算了干濕循環對非飽和膨脹土路基沉降以及邊坡穩定的影響,通過計算得出了在以非飽和膨脹土作為構築物基礎或構築物時,應認真考慮干濕循環對其強度和變形特性降低的影響的結論。Secondly, basing on the theory of on - off gain of small signal, the raman gain coefficient for frequency shift between 0. 5 and 20 thz of standard sigle mode optical fiber is measured by pump - probe method through a super luminescent diode ( sld ) as a broadband small signal probe source. thirdly, numerical simulation analysis of gain characteristic of raman fiber amplifier for c band wdm signal light is made according to the raman gain coefficient of the fiber measured before through target and four rank runge - kutta method. at the invariability of wavelength and maximum power of each of two pumps, schematic of powers of two pumps for best flatness on c band wdm optical gain was found out, at the same time, the factors of resulting in gain saturation is analyzed, too
本文首先應用經典的電磁理論對拉曼光纖放大器的工作機制進行了分析,然後,根據小信號理論推導出的開關增益求出了光纖拉曼增益系數的表達式,採用泵浦-探測波的方法,利用超輻射激光二極體( superluminescentdiode簡稱sld )作為探測光源,測量了所用標準單模光纖頻移為0 . 5 - 20thz的拉曼增益系數,之後根據所測得的光纖的拉曼增益系數譜對應用該類光纖構成的放大c波段wdm光信號的拉曼光纖放大器的增益特性採用打靶法和四階龍格- - -庫塔進行了數值計算,在給定了兩個泵浦光源的波長和最大功率后,找出了反向泵浦情況下使c波段wdm光源增益最平坦的兩個泵浦的各自最佳功率,同時也分析了導致信號光飽和的原因。The pore air pressure gradually goes up with the developing of axial strain in the process of the dynamic torsional shear test of loess, but the pore water pressure hold the line or goes up a little in the last. the stress - strain dynamic constitutive relationship of intact loess and man - made loess show the hyperbolic model. there are some remarkable differences of strength and strain between unsaturated loess and saturated loess
研究結果表明:非飽和黃土在動力扭剪試驗過程中,隨著軸向變形的發展,孔隙氣壓力逐漸上升,而孔隙水壓力則基本保持不變或後期略有升高;原狀黃土和重塑黃土的應力應變本構關系呈雙曲線型;非飽和黃土和飽和黃土的強度及變形特性存在明顯差異;進而分析了含水量、固結應力和固結應力比對黃土動力特性的影響本文最後對非飽和土的有效應力計算公式進行了討論。Chapter four first researches the structure design of computer control samrt cushioning system and the signal processing. then mainly studies the design of pid / pdf control algorithm and their parameters tuning. finally analyzes the basic characteristics of electropneumtic proportional / servo trace controlled system, especial study the influence of the valve dead zone, system friction and saturation phenomenon
第四章首先研究了計算機控制智能緩沖系統的結構設計、信號處理;然後重點研究了pid 、 pdf控制演算法的設計及其參數整定;最後研究分析了控制系統的基本特性,著重分析了閥口死區、系統摩擦力和氣路飽和特性等對系統控制性能的影響。Finally, the torsional vibration of a rigid disk resting on the saturated grounds under the general torque is primarily discussed by the means of laplace - hankel transform. the general solutions of the torsional moment, stress and displacement are given and the numerical solutions in special cases are also obtained
最後,本文還採用laplace - hankel聯合變換技術初步分析了在一般動扭矩作用下飽和地基上剛性圓板的扭轉振動問題,給出了扭矩、應力和位移的通解,並給出了特例情況下的數值解。Finally this method is realized in microprocessor based busbar protection, the result of a lot of experiments indicates that this protection can reliably avoid misfunction of the busbar protection, and when the fault is developed, the fault can be rapidly eliminated by the protection
最後,在微機保護裝置上編程實現。大量試驗表明諧波制動判據具有很好的抗ta飽和能力,而且當故障由母線區外轉至區內時,判據能夠迅速開放。Zny, ni ( 1 - y ) fe2o4 and cobalt substituted ni - zn soft ferrite powders of zn0. 4ni ( 0. 6 - a ) coa fe2o4 are synthesized by shs. the shs powders and cycle samples are annealing in 1100 for 2h. their magnetic, and micro structural properties are studied using xrd, vsm and sem techniques. the studies reveal that the value of hc mr and ms of the powder of zn yni ( 1 - y ) fe2o4 are maximal when the value of y is 0. 4
研究發現:隨著zno含量( y值)的增加,粉末產物的矯頑力( hc ) 、飽和磁矩( ms )以及剩餘磁矩( mr )先增大(在y = 0 . 4時取得最大值)然後再下降;磁環表面顆粒逐漸長大,孔隙率減少,密度增加;磁環的bs與br先增大再減小,在y = 0 . 4時達到最大;磁環的矯頑力hc是遞減的。Finally, perform inverse ihs transform to the wavelet reconstructed new intensity component and the hue and saturation components from the original ms image to get the fused image
最後,對小波重構得到的新亮度成分和原始多譜圖像的色度和飽和度成分進行ihs反變換,從而得到最終的融合結果圖像。分享友人