速率作用因數 的英文怎麼說

中文拼音 [zuòyòngyīnshǔ]
速率作用因數 英文
rate action factor
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 率名詞(比值) rate; ratio; proportion
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  • : Ⅰ動詞[書面語] (沿襲) follow; carry on Ⅱ介詞1 [書面語] (憑借; 根據) on the basis of; in accord...
  • : 數副詞(屢次) frequently; repeatedly
  • 速率 : speed; rate; tempo
  1. If the velocity of atoms is near to zero, the light for ces will tend to confine the atoms near to nodes and antinodes. the stability depends on the magnitude of the negative slope of the light force, the depth of the potential well and the momentum diffusion coefficient. it is important to select the parameters, e. g

    如果通過激光冷卻能使原子度降至很小甚至為零,光壓力的將使原子被較穩定地囚禁于激光駐波場的節點和反節點處,其穩定程度取決于該處光壓力曲線負斜的大小、對應勢能的勢阱深度以及動量擴散系的大小,此,如何在實驗中合理選擇激光強度、失諧量等顯得尤為關鍵。
  2. In communicaton the bandwidth is an important problem that we should consider, specially in wireless communication. in fact the fiber is mainly used in backbone networks, so it is essential to develop the low rating coding technology of voice. the arithmetic of melp is based on the model of lpc and use the form of mixed excitation. because it integrates the idea of multi - band, so it has the merit of lpc and mbe. it is a perfect coding scheme in low rating voice coding relatively

    而melp語音壓縮編碼演算法是在線性預測編碼參模型的基礎上,採混合激勵的形式,並且結合了多帶的思想,此它擁有線性預測編碼和多帶激勵的優點,是目前低語音編碼中一種比較理想的編碼方案,也是本文研究的重點。本論文通過研究melp的語音編解碼演算法的原理,對它的編解碼過程了比較深入的研究,對其中的一些公式進行了理論推導,並了模擬分析,最後研究了該演算法的c語言實現。
  3. This has an important meaning to the industrial manufacture. dsc, waxd and polarizing microscope with hot stage experiments were performed to describe what led the ssp rate acceleration of pet / mmt. it was shown that montmorillonite acted as a very good nucleating agent in pet crystallization process, which results in the lower crystallinity, more small microlites, and more surfaces of microlites

    為研究pet mmt固相縮聚效提高的原,通過熱臺偏光顯微鏡、 dsc 、 x -射線衍射等手段對樣品的結晶進行觀察與分析研究,結果表明蒙脫土對pet的結晶有明顯的成核,使其晶核生成提高,晶核量明顯增多,從而使整個結晶過程的時間變短,同時形成了更多結構不完善的微晶體。
  4. Aimed at design index of input power 1. 5kw, most output rotate velocity 300rpm, and rating output rotate velocity 150rpm, considering factors of angle and ratio of transmission, on the basis of kinematics simulation, author optimized the kinematics parameters. in this paper, author has made some analysis and study to the primal assembly condition of transformer ' s sequential action in theory, designed structure dimension of the input and output transformer, and verified the corresponding strengthen. further, the structure, which is to key transmission components of velocity control system of the speed regulator, has been designed based on meeting operational sensitivity, precision and self - locking

    本文針對輸入功為1 . 5kw ,最大輸出轉,額定輸出轉的無級變器的設計要求,並考慮到傳動角及變比等素,在運動學模擬的基礎上,對運動學參進行了優化;本文對變換器連續的初始裝配條件進行了理論分析與研究,對輸入、輸出變換器了結構尺寸的設計,並進行了強度校核計算;本文還對變器調系統中主要傳動構件在滿足操的靈敏度、精度、自鎖性的基礎上進行了結構設計;最後採workingmodel3d軟體,進行虛擬樣機的計算機輔助模擬設計及運動學和動力學計算。
  5. Based on the pull - out tests data between geogrids and expansive soil / sands arranged by the orthogonal table l9 ( 34 ), the following conclusions are reached : 1 ) the displacement - properties of pullout tests depend on the pullout speed. the law of factors " affecting degree, which influences the parameters between geogrids and soils in the pulling - out procedure, is obtained. with the concept of " equivalent pull - out displacement ( x ) " brought forward, the whole process of pull out tests is divided into two process - " main process ( when x 1. 0 ) " and " residual process ( when x 1. 0 ) ", and three stages - static friction resistance stage, slip friction resistance stage, and residual friction resistance stage

    基於正交設計表l9 ( 3 ~ 4 )分別安排了影響素與土工格柵膨脹土或砂土界面相互的拉拔試驗據,獲悉: 1 )拉拔試驗位移特性主要取決于影響素中拉拔;通過分析並獲取影響素對筋土界面相互的影響程度及其在拉拔試驗過程中的變化規律,提出了當量拉拔位移( x )的概念,並據此將拉拔試驗全過程劃分成「主過程( x 1 . 0 ) 」和「殘余過程( x 1 . 0 ) 」 ;且將影響素對拉拔力或摩擦阻力系的影響程度分成三階段(靜摩擦阻力階段、滑動摩擦阻力階段,殘余摩擦阻力階段) ; 2 )不同(規范)定義的筋土界面摩擦阻力系值相差較大,但影響素對摩擦阻力系影響程度及其變化規律不會不同(規范)定義而受到影響。
  6. The basic principle, main properties, typical parameters, technical characteristics and general situation of klystron are introduced. the electron beam prebunching in the modulated cavity and shift tube of relativistic klystron amplifer ( rka ) is studied analytically, a self - consistent equation of radiation generated by the prebunched electron beam in the radiation cavity is derived using the field method of particle ? wave interaction instead of the electrical circuit method, and in terms of it, the gain in the linear regime calculated, a field analysis method is proposed. the theory analysis shows that the characteristic parameters, such as resonance frequency, real part of gap - impedance, external quality fadtor in all kinds of klystron output circuits including single - beam, multi - beam, single - gap, multi - gap, single - beammulti - gap, multi - beam multi - gap klystron output circuit, can be calculated by the field analysis method

    本文系統的介紹了調管的工原理、主要特點、發展概況、主要性能指標和技術特點,解析的研究了電子束在相對論調管放大器的調制腔和漂移管中的預群聚;粒子波互的場方法導出了在輻射腔中預群聚電子束產生輻射的自洽方程,同時對線性區的增益進行了計算。理論分析表明,場分析法可於計算單注單間隙、多注多間隙、單注多間隙和多注多間隙調管輸出迴路的諧振頻、間隙阻抗實部和外觀品質等特性參
  7. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、測定了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃熱解液化裝置能量轉化計算和生物質能量利計算提供了依據和方便; ( 2 )選擇了8種生物質試樣了等加熱( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採goast - redfem積分法和p函對其動力學參進行了求解,解析出各種生物質的頻子和活化能參,進而建立了各種生物質的熱解動力學模型,為科學確定反應器的閃熱解工溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大產油的熱解時間相一致的結果,為閃熱解反應器固相滯留時間設計和預測提供了理論依據; ( 5 )根據上述實驗結果,綜合運工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃熱解反應器物料滯留時間( )與轉(或頻)合理匹配理論; ( 6 )提出了轉錐式閃熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功計算方法及臨界轉理論等。
  8. And the simulation on the nonlinear beam - wave interaction of two - cavity gyroklystron is made. the influences of the drift length and beam voltage and current and the velocity ratio of the electron beam and et al. on efficiency and gain are analyzed in detail

    並對34ghz兩腔迴旋調管的注?波互摘要進行了大量的值模擬研究,分析了漂移區長度、電壓、電流、度lhq值、磁場k , ; 、注入波功等多種素對互電子效及增益的影響。
  9. The conclusion based on partial equilibrium analysis in the paper is : in short - run, after works parted inside firms, it can be empirically settled that the returns from specialization keep increasing, but the marginal return coming from specialization still is decreasing. as a result, function of return is concave. with the function of the studying mechanism, transaction cost from work - partition decreases gradually and with faster velocity

    本文簡單均衡分析所得出的結論是:在短期內,企業內部生產分工一旦形成,可以經驗的給定專業化收益遞增,而其邊際收益依然是服從遞減規律的,而為一凹函:不考慮整個行業或市場的交易費變化,由於學習機制的,這種由分工所帶來的的交易費將出現遞減,具有更快的遞減
  10. According to the fluctuating property of wind, on the stochastic vibration finite element theory, some calculation formulas of the response, including the along - wind response and the across - wind response, are obtained, the ideology of the torsion vibration in the double - tower structure and the ideology of the double - tower structure ' s dynamical wind load are also put forward at the same time. by using the stochastic vibration module of the general finite element program, the paper analyses the performance of the wind resistance more deeply and fully, discussing the influence on the double - tower structure from the diversification of the different component. the variance law of dynamic displacement and wind - induced vibration coefficient is derived through analyzing structure stochastic vibration, so is the effect of several parameters on dynamic displacement, acceleration and wind - induced vibration coefficient

    從結構風振的基本理論出發,通過對脈動風功譜的分析,推導了結構風振響應(順、橫風向)的計算公式,同時提出了雙塔結構的扭轉振動和動力風荷載計算的思想,在結合通有限元程序的隨機振動模塊的情況下,對雙塔結構的抗風性能了深入、全面研究,探討了雙塔結構構件截面的變化對其抗風性能的影響,同時探討了順風向風譜的選取、風、參與計算的振型、風與結構耦合是否考慮等素對分析結果的影響,比較了規范風振系的計算與隨機演算法結構的異同,並討論了原,得出一些有意義的結論。
  11. In the macroscopical field : ( 1 ) the relationship between the moisture and the speed of average collapse was attained, that is, the speed of average collapse will increase with increasing of the moisture at first, but it will decrease when the value get to certain max with increasing of the moisture ; ( 2 ) the model of relationship between the pressure and the speed of average collapse was established on the basis of experiment. the conclusion of that the speed of average collapse bouncing increase with increasing of the pressure was attained and the relationship between stress and distortion was established ; ( 3 ) the method of synthetical evaluation for collapsibility loess under the effect of time, pressure and moisture was offered

    在宏觀角度上: ( 1 )以遼寧阜新地區黃土試樣的固結試驗據為分析對象,得到了黃土濕陷與含水量的關系曲線呈單峰狀態的結論,即黃土濕陷在土體浸水初期會隨著含水量的增加而增大,但當含水量超過某一值趨于飽和含水量時,黃土濕陷卻隨著含水量的增加而減小; ( 2 )立了黃土濕陷與壓力之間關系的學模型,得出了黃土濕陷隨壓力的增大而呈階越增長的結論以及阜新地區濕陷性黃土的本構關系; ( 3 )提供了在時間、含水量及壓力等素共同下,對黃土濕陷性進行綜合評價的方法。
  12. Three kinds of inflows with different combination of temperature and salinity are studied. results show that difference of diffusion between temperature and salinity have little effect on mean flow fields. but significant effects will arise when components are distinct in contribution to water density

    成果分析指出了溫鹽共同引起的高雷諾紊動浮力流動受溫度和鹽度的分子擴散差異的影響很小:但是各組分對環境水體密度影響差異會造成不同的浮力流動特徵。
  13. This strategy has many advantages : solving the problems that the system is unsteady under super - synchronization ; improving power factor of stator ( it is unity relative to that of rotor ) ; no rotor position sensor and no initial position measurement, easily building up doubly fed speed adjustment system with speed sensorless because adjusting speed is taken in the rotor coordinate and rotor current vector fixing is implemented

    該方案由於引入了定子電流勵磁分量的閉環控制,使系統同時具有轉和勵磁調節兩個調節通道,具有如下優點:一、解決了超同步工工況不穩定的問題;二、提高了定子側的功(與轉子側功為1相比) 。三、由於度調節在轉子坐標系下進行,並以轉子電流矢量定向,所以無須轉子位置傳感器,也不檢測初始位置,易於組成無度傳感器雙饋調系統。
  14. Based on the self - consistent nonlinear theory of complex cavity gyrotron with gradual transition, a simulation code of self - consistent nonlinear beam - wave interaction has been made, in which the multiple modes interaction with an electron beam and the mode coupling are taken into account. the interaction between the electron beam and hsn - h521 rf field for third - harmonic gyrotron is simulated. the influences of the thickness and the velocity spread and the velocity ratio of the electron beam and the fluctuation of the magnetic field and the technologic errors of complex cavity on the multi - modes interaction with an electron beam are analyzed

    二、在漸變復合腔迴旋管多模自洽非線性理論的基礎上,編制了高次諧波漸變復合腔迴旋管多模注?波互自洽非線性模擬軟體,並對8mm波段三次諧波漸變結構復合腔迴旋管的注? ?波互進行了大量的自洽非線性值模擬計算與研究,進而分析了電子注的厚度、度零散、度比值、磁場波動、腔體尺寸的加工誤差等等多種素對互的影響。
  15. Directing against state of affairs at present, such as margin of type - selection parameters being selected comparatively large during design stage of air fans for boilers in thermal power plants, the opening degree of air fans in operation being often smaller ( for adjustment of inlet regulator ) or operation at lower revolution speed ( for speed - regulating operation mode ), and efficiency of air fans being lower etc., factors and corresponding measures having to pay attention in margin selection of air fan ' s parameters have been put forward through analysing practical example of retrofitting forced draft fans in one power plant, playing certain positive role for energy - saving and benefit - increasing in power plants

    摘要針對目前火力發電廠鍋爐風機在設計選型時參裕量選取較大,運行時風門開度較小(對入口調節器調節)或低轉運行(調運行方式) ,風機效較低的狀況,通過對某電廠送風機改造實例的分析,提出了在風機參選擇中的裕量選取需要注意的素及相關對策,對電廠的節能增效有一定的積極
  16. The contributions done are as follows : according to the mathematical model of doubly fed motor and the theory of vector control, a unit power factor of rotor control scheme is proposed. in the doubly fed adjustment system, in order to control magnetic torque of motor this scheme is designed by controlling the reverse direction between rotor voltage and current to keep the vertical direction between rotor current and flux. it is known from theoretical analysis that for partly decoupling this scheme is only effective under sub - synchronization speed, but not control the system and obtain steady state since speed adjustment system ca n ' t adjust the magnitude of rotor flux under sup - synchronization

    而傳統的無度傳感器雙饋調矢量控制系統,由於採磁鏈定向方法,在同步附近存在較大的工死區,針對上述問題,本文做了如下的研究工:本文從雙饋電機的學模型出發,根據矢量控制的基本原理,提出了一種轉子側功為1的雙饋電機矢量控制方案的設想,即在雙饋調時採轉子電流定向的方法,並控制外加轉子電壓與轉子電流始終反相,以保持了轉子電流與轉子磁鏈矢量垂直,通過控制轉子電流的大小來達到控制電機電磁轉矩的要求。
  17. With this, i was given an in - depth look at how pace, per and kobe bryant all interact by a statistical genius

    此,我認真考慮過度、球員效以及科比三者之間是如何相互於一個據統計模式之下的。
  18. Through analyzing the surface microstructure of counter - cavitational material and the factors of affecting cavitation, on the basis of material mechanical properties, metallurgical parameters and fluid mechanical conditions, the paper presents cavitation erosion mechanism in multitude fluid medium, whereby offers references for calculating erosion rate

    通過對抗氣蝕材料表面顯微結構和影響氣蝕素的分析,從材料的機械性能、冶金學參和流體力學條件出發,綜述多項流體介質下氣蝕磨蝕的機理,從而為計算氣蝕磨蝕提供參考
  19. ( 2 ) because of t he variability of rock subjected to outside action, three new conceptions : postive damage basic damage and negative damage, are suggested, which can deal with the condition that rock density became large. ( 3 ) the present damage variables based on ct number mostly include ct average number of the rock without damage, which is difficult to measure, so a new damage variable, which includes the average ct number is proposed, on the other hand, strain equal theory is generalized because the one put foreword by lemaitre is not good enough to use. ( 4 ) a axial damage constitutive equation is proposed and testified. ( 5 ) with the circle times, the damage propagation laws of two different rocks, subjected to circle of freezing and thawing, are studied, and in the analysis process, traditional analysis method including average ct number and is used, some important conclusions are reached : inner damage of soft rock containing a large mount of apertures is largely propagating with the time increasement of circle, however, at the preliminary time, the hard rock containing a small mount of aperture is a little propagating, at late time, the influence become large ; ( 6 ) zone separation and statistics frequency put forward is used to analysized the three different damage propagation in the open circumstance, when they are subjected to the different circle times of freezing and thawing, in which the temperature variability is linear, different freezing rate, and different freezing temperature, and no water is supplied during the test

    在研究過程中本文主要做了以下工: ( 1 )針對巖石損傷變化較小時,運ct均值和方差分析不方便的缺陷,本文提出運對ct范圍劃分區段的方法,根據各區段統計頻的變化規律來分析損傷擴展狀況; ( 2 )針對巖石受到外部的多變性,本文提出了基準損傷,正損傷,負損傷的概念,在某種程度上考慮了巖石受到外部時的壓密情況; ( 3 )現有的基於ct的損傷變量大多需要到巖石基體的ct均值,這實際上是很難觀測到的,此本文建議了一個可運巖石初始狀態ct均值的損傷變量,由於現有的勒邁特教授應變等價原理使上的不便,本文在其基礎上進行了推廣; ( 4 )建議了一個可巖石初始狀態ct和彈性模量的單軸損傷本構方程,並算例進行了驗證; ( 5 )對兩種不同巖石在開放環境下受到凍融循環且融化過程中補水時,內部損傷隨凍融循環次增加的擴展規律進行了探討,主要運了常規的ct均值和ct方差的分析方法進行分析,試驗發現:對于孔隙和含水較高,密度和強度較低的軟弱巖石,凍融循環次對損傷結構的擴展有明顯的影響,而對于孔隙和含水較低,密度和強度較高的硬巖,凍融循環次對其損傷結構擴展初期由於含水低的原,影響不是太大,而後期由於水補給后,含水較高的原,凍融影響逐漸增大; ( 6 )運了本文提出的區段劃分和統計頻的方法,深入地分析了開放環境下的線性溫度變化的凍融循環次,凍結溫度,凍結度不同巖石時,其內部損傷隨凍融循環次,凍結度和凍結溫度變化的擴展規律,需要指出的是除了在試驗前飽水外,凍融過程中沒有補水。
  20. Space time coding was proposed by combining transmit diversity and coding technology to improve the system performance, such as error bit rate, data rate, and system capacity. in particular, space - time block coding ( stbc ) schemes, proposed originally by alamouti were adopted by the 3g standardization committees as one key technique in 3g wireless systems

    將發送分集與編碼調制技術相結合,進一步產生了空時編碼技術,由於空時編碼技術具有優異的抗衰落性能,並且能通過發送分集和接收分集提供高、高質量的據傳輸,此它已經成為第三代移動通信技術的重要組成部分,並將繼續在下一代移動通信技術的發展中發揮重要
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