直線型分子 的英文怎麼說

中文拼音 [zhíxiànxíngfēnzi]
直線型分子 英文
linear molecule
  • : 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...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
  • 直線 : 1. (不彎曲的線) straight line2. (急劇的) steep; sharp
  1. Furthermore, to show the feasibility of our new approach, we briefly discuss the quantization of o ( n ) nonlinear sigma model, classical nonlinear sigma model and gross - neveu model which are constrained on a half line or supplemented by integrable boundary terms in chapter four

    第四章是為了進一步說明我們這一新方法的可行性,又別對限制於半上或附加了可積邊界項的o ( n )非性模、經典非性模和gross - neveu模的自洽的poisson結構及量化進行了簡單討論。
  2. Firstly, the tio2 thin films are deposited by dc reactive magnetron sputtering apparatus, and characterlized by n & k analyzer1200, x - ray diffraction spectroscopy ( xrd ), scanning electronic microscopy ( sem ), alpha - step500. and it was analyzed that the effect on performance and structure of films with the change of argon flow, total gas pressure, the substrate - to - target distance and temperature

    第一、應用穩定的流磁控濺射設備制備tio2減反射薄膜並通過n & kanalyzer1200薄膜光學析儀、 x射衍射析( xrd ) 、掃描電顯微鏡( sem ) 、 alpha - step500臺階儀等儀器對薄膜進行表徵,析氧壓、總氣壓、工作溫度、靶基距等制備工藝參數對薄膜性能結構的影響。
  3. The equation including the nonlinear dispersion, i. e. the modified nonlinear schrodinger ( mnls ) equation, is a better model. in this thesis, we take mnls solitons as a model for femtosecond soltions. then based on the recently developed direct perturbation theory for perturbed mnls equation, we study the raman self - frequency shift of femtosecond solitons and its suppression by the means of frequency filters. for this purpose, first, we define the physical parameters of mnls solitons ; next, through the direct perturbation theory for perturbed mnls equation, under adiabatic approximation, we obtain the evolving parameters of mnls soliton on our questions and then choose the parameters of frequency filters based on it ; at last, we directly numerically simulated our questions by split - step fourier ( ssf ) method after improving the arithmetic of the differentiation of the nonlinear item for satisfying mnls equation

    本論文以mnls孤作為光纖飛秒孤的模,通過新近建立的mnls孤接微擾理論,研究光纖中由拉曼效應引起的飛秒孤在傳輸中的自頻移,以及通過頻率濾波對自頻移的抑制。為此,首先給出描述mnls孤的各物理量,然後用mnls孤接微擾理論,解析地得到這些問題絕熱近似下的孤參數演化,並由此選擇頻率濾波的參數,最後用步傅里葉方法,在對非性項微商的演算法做出了適合於mnls孤的改善後,對拉曼效應及頻率濾波進行了接數值模擬,其中頻率濾波參數用微擾理論確定。
  4. The influences of stator ' s teeth on vibrating modal of the linear standing wave usm are discussed in this paper, in which eigenfrequency and wave - shape are analyzed while the position and geometry dimension of stator ' s teeth are changed, and it can give some advice on design for standing wave linear ultrasonic motor

    摘要本文對一類駐波超聲電機振的振動模態進行了系統的析,討論了定齒的位置、幾何尺寸對超聲電機的固有頻率、振的影響,為該類駐波超聲電機的設計提供了理論依據。
  5. B ) equivalent circuit method and finite element analysis ( fea ) to compute the static force are presented, the results obtained by each method are compared one with the other. c ) the results of dynamic simulation by means of the software, ansoft show the hlfm " s characteristics when the motor works in the special frequency and single stroke and the conditions used for position control. d ) the measured static thrust - displacement characteristics and the dynamic characteristics during starting show good correlation with the calculated results

    在設計並製作了實驗樣機的基礎上所做的研究內容包括; ( 1 )別用能量法和麥克斯韋張量法推導電磁力的計算公式,並討論他們的不同應用范圍; ( 2 )別用等效磁路法和有限元法作力電機的靜特性析,並比較析它們的計算結果; ( 3 )用有限元模擬軟體做力電機動態特性的模擬,力電機的頻率特性、動開合閘特性和開環位置控制的工作特性; ( 4 )做力電機的靜推力?位移特性實驗和動開合閘的動態實驗,並將實驗結果與計算結果進行對比,實驗驗證了計算模及計算方法的正確性。
  6. The dynamics equations of soil water vaporizing and ammonia volatilizing hcluding the factors of water and temperature, and the dynamics - like equation of urea transforming into ammonium nitrogen in soil are founded in the paper, by taking the effect of interaction of water and temperature as subject, the dynamic change character of object studied as basis and using principle of chemical dynamic ; the empirio - equations of soil water retention curve including temperature and the empirio - equations including temperature between water potential of millet seedling leaves and soil water are founded in order to make the equation of relation between water potential and water content in soil suit the demand of temperature change much better

    本文以水熱耦合效應為主題,基於研究對象的動態變化特徵,應用化學動力學原理,建立了含水、熱因以及水熱耦合效應的土壤水蒸發、肥料氨揮發動力學方程,以及施入土壤中的尿素轉化為銨態氮的動力學方程;為使水勢?含水量關系式更好適應變溫條件應用的要求,建立了含溫度因接表徵土壤持水曲的經驗方程,以及含溫度因的穀苗葉水勢與土壤含水量關系經驗方程。
  7. This paper provides the general equations of the theoretical contour line and the actual contour line of roller translation follower and roller oscillating follower disc cam in the polar coordinates system and the rectangular coordinates system, respectively. the equations are not only fit for the different layouts of the relative position of follower and cam, but also fit for the different types of cam contour

    別給出了滾動從動件和滾擺動從動件盤形凸輪的理論廓及實際廓在極坐標系與角坐標系下的通用方程,它們對于從動件與凸輪相對位置的不同布局方式及凸輪輪廓的不同類均適用
  8. Based on the analytic analysis of the linear synchronous motor ’ s layered model, the paper deducted the composing of air gap magnetic fields and the analytic expression of levitating and advancing force. these results provide theoretic guidance not only for the analysis and measurement of the vehicle ’ s air - gap magnetic fields but also for the eatablishment of the

    採用各向異性介質近似模擬齒槽區域,並引入定和轉等效電流層的概念,建立了同步電機的磁場層模,在此基礎上得到了氣隙磁場的組成以及懸浮力和推力的解析表達式,為氣隙磁場的析和測量以及列車運動情況下電磁力軟測量模的建立提供了理論指導。
  9. ( 3 ) we explore photorefractive screening solitons and characters of beam transmission in sbn : 61 : cr crystals. the dependence of beam diameter at the crystal output face on applied field is presented. and influences of the limiting space charge field of the crystals on the experimental results are analyzed

    ( 3 )初步研究了兩塊不同摻cr濃度的sbn 61 cr晶體中的屏蔽空間孤效應,以及不同外加流電場作用下光束在晶體中的傳輸,給出了晶體出射表面處光斑徑隨外電場的變化曲,並析了晶體中空間電荷場的飽和效應對實驗結果的影響。
  10. Secondly, to achieve the independent regulation of active and reactive power output from the generator side which is designed for the purpose of tracing the maximum wind - energy capturing. the paper has analyzed the mathematic model of the ac excited doubly - fed machine and the stator field orientation control strategy of the motor as vscf wind power generator. thirdly, it has put forward and designed the dual pwm converter with the capacity of energy flowing bidirectional aimed at the demand of rotor energy bidirectional flow. the author constructed reliable and integrated experimental system and did a series of experimental study including no - load, cutting - in network and power generation at, below and above the synchronous speed

    論文首先析了風機運行特性及其最佳風能利用原理,通過模擬及實驗驗證了採用流電機的輸出特性模擬風力機的最大輸出功率曲的可行性,並給出了模擬系統的硬體結構;然後為了實現交流勵磁發電機有功、無功功率獨立調節機理,析了交流勵磁雙饋發電機的數學模和在追蹤最大風能捕獲變速恆頻風力發電時必需的定磁鏈定向矢量控制策略;針對雙饋發電機轉能量雙向流動的要求,提出並設計了具有能量雙向流動能力的雙pwm交流勵磁用變頻器;最後為實現從理論到實踐的全面研究,研製出了一套小功率完整的雙pwm變頻器交流勵磁的雙饋風力發電機實驗系統,進行了空載、並網、同步速及上、下的發電運行等一系列的運行實驗;所完成的模擬和實驗研究均驗證了理論、模和控制策略的正確性、可行性。
  11. Soil springs are used around the pipe including vertical, lateral and axial soil springs to consider the interaction between the pipeline and the surrounding soil. the pipe segment near fault that usually suffers large deformation is modeled with a plastic shell element in order to consider the effect of local buckling and section deformation. to reduce the calculating time of the whole model, an equivalent spring proposed by the author is applied at two ends of the shell model

    為了解決現有的殼單元方法需要大量計算機時的缺點,本論文首次從理論上把離斷層較遠管土之間相對變形較小的管段部的變形等效為一個非性彈簧,將此等效邊界引入到有限元模中,使得模中的殼單元部主要用來析我們所感興趣的在斷層附近發生大變形的管段,從而達到節約計算時間的目的。
  12. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的接轉矩控制的缺陷和未來接轉矩控制技術發展方向,本論文重點做了以下幾個方面的工作,目的在於提高dtc系統的綜合性能: ( 1 )提出一種新的速度磁鏈觀測器,新的速度磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積器從而提高磁鏈觀測的精度,並且根據popov超穩定性理論推導出轉速的新自適應收斂律; ( 2 )改善系統的低速運行性能,主要從提高低速時對定磁鏈的估計精度入手,提出了一種提高定磁鏈觀測精度的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在地修正定電阻參數; ( 3 )採用數字信號處理器dsp實現系統全數字化硬體控制,結合ti公司生產的tms320lf2407晶元,設計了接轉矩控制系統的實驗裝置; ( 4 )提出了基於sercos總網路化散式的接轉矩控制系統, sercos ( serialrealtimecommunicationsystem )是目前最適合同步和協調控制的串列實時通信協議; ( 5 )基本勾勒出整個控制系統的硬體和軟體設計基本框架,詳細描述一些實驗中的具體的細節問題。
  13. 2. researching on innovation design method : based on the law of system evolution and de, combined with consumer psychology and relevant knowledge on product modeling methodology, and by analyzing a mass of electronic consuming products appearances, seven patterns and twenty paths of evolution is summarized, which direct the general trend of product appearances. an effective heuristic method for appearances innovation design of consumer electronic product is offered to designers

    2 .創新設計方法研究:以技術進化定律和接進化理論為基礎,結合消費心理學及產品造設計學的相關知識,通過對大量的不同年代的消費電產品外形的析后,總結出消費電產品外形演變的7種進化模式與20條進化路,這些模式與路指明了消費電產品外形的進化方向,為設計者提供了一套外形創新設計方法。
  14. Therefore, the diagnostics of electrical and optical characteristic of plasma form the basic respects of plasma diagnostics. the author reports in detail in the dissertation the experimental investigation on the phenomena of some common discharge systems at typical operation status such as dc glow ; rf ( radio frequency ) glow and microwave ecr ( electron cyclotron resonance ) discharge

    創新之處: ( 1 )提出了雙原轉動辨發射光譜的擬合方法,並利用擬合方法進行了氮氣流輝光放電產生的第一負帶轉動辨光譜和磁控濺射沉積cnx膜過程中cn基團的振動帶的轉動擬合,獲得了相應的轉動溫度。
  15. The controllers have considered all sorts of imperceptible factors affecting the servo performances in a lpmsm servo system, which include the parametric uncertainties brought by the changes of the mobile mass, frictional coefficient, the thrust fluctuations aroused by the varieties of the magnetic density distributions and the time harmonic. the h state feedback controller restrains disturbances and uncertainties to keep the robust and stable performance. the ip controller, which has the ability of rapid response, is applied to satisfy the rapid performance

    析雙環控制問題時,針對永磁同步電動機,仔細考慮了能使伺服系統性能變壞的各種細微因素,如:永磁同步電機動質量變化、摩擦系數變化等造成的模參數不確定性,電機運行期間存在磁密佈變化、時間諧波等產生的推力擾動等,採用了ip速度控制器和h _狀態反饋控制器相結合構成伺服的內環控制器,並輔助設計了外環的pi位置控制器。
  16. Primarily there are two aspects : 1 ) the calculation model of the value of land classifying units - - model of time distance attenuation. in the calculation model of the value of land classifying units, author brings forward the model of time distance attenuation. in this model adopting the network analysis, and by establishing the road network, and proceeding path analysis, computing the time distance, then proceed the exponential attenuation or straight line attenuation on time distance, get the value of influence factor of the land classification unit

    主要有兩個方面: 1 、定級單元值計算模? ?時間距離衰減模在定級單元值的求取模塊中,提出了時間距離衰減模,模中採用網路析的方法,通過建立道路網路,進行路徑析,求取時間距離,進而按時間距離進行指數衰減或衰減,得到定級單元因素因影響值。
  17. First, the paper researchs the spice simulation of single electron transistor based on curve approach and quasi - analytical model of single electron transisor, and simulate characteristic of single electon transistor with matlab tool. secondly, the paper combine spice simulation program with master equation of single electron transistor, put forward novel spice simulation method of single electron transistor based on master equation, by choose master state of single electron transistor and build master equation of single electron transistor, afterward gain nonlinear cortrolled source of spice model of single electron transistor by solve the master equation of single electron transistor and simulate v - i characteristic of single electon transistor by spice program, it ’ s result prove the method is availability precision comparing with master equation method

    然後在此基礎上提出了基於主方程法單電晶體管spice模擬新方法,本論文結合當前電路模擬軟體spice程序和單電晶體管主方程模擬演算法,通過選擇單電島電數的主要狀態,建立單電晶體管主方程,然後求解主方程,求得單電晶體管spice等效模的受控源的非性函數,然後利用集成電路輔助析軟體spice的abm (模擬行為建模)建立單電晶體管( set ) spice等效模,利用set的等效模對單電晶體管v - i特性進行模擬,實驗證明此方法與接解主方程法相比具有一定的精度。
  18. Now the svrt model is applied to study the reaction of h + cd4 hd + cd3 in four mathematical dimensions. in the svrt model, the target molecule is treated as a simirigid rotor composed of two rigid parts. the two rigid parts can exercise only one dimensional relative motion along the coordinate connecting the center - of - mass of the two parts

    半剛性振轉靶( svrt )模把參加反應的多原處理為兩個基本的剛體,這兩個剛性部能沿通過它們質心的做一維振動,另外它還象一個剛性轉一樣在3維空間中運動。
  19. The main reason is that the short - range potential is ignored. 2. we presented the theoretical model of collisional quantum interference on rotational energy transfer in atom - diatom system, using the theories of time dependent born approximation and quantum inelastic scattering, and taking into account not only the long - range interaction potentials, but also short - range interaction potential

    2 .應用含時微擾理論和量非彈性散射理論,考慮一級含時波恩近似,長程相互作用勢,短程相互作用勢和軌跡近似,完善了原一雙原體系轉動能量傳遞中的量干涉模
  20. The distribution and structure of the allelic polymorphism data are analyzed and it is pointed out that the distribution of allelic polymorphism data reveals the characteristic of closed data ( also named as compositional data or data of constant sum ) it is interpreted that the correlation structure of the allelic polymorphism data contains null correlations introduced by " closure " and the statistical distribution of the data is not normal because of its constant row sum, which resulted in great difficulties in analyzing the data with traditional multiple linear statistical methods such as principal component analysis, factor analysis, cluster analysis and canonical correlation analysis

    摘要長期以來,對于多維基因多態性數據的多元統計析,如計算遺傳距離時所用的聚類析、析群體遺傳結構時所用的主成析、因析和典相關析等,一應用為無約束條件數據而設計的經典多元析方法,並沒有注意基因多態性數據的「閉合效應」所帶來的問題。
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