進速常數 的英文怎麼說
中文拼音 [jìnsùchángshǔ]
進速常數
英文
advance co tant-
Given the initial conditions including ( 1 ) number density distribution in space which has the similar form to the present day ones, ( 2 ) both the power law and gaussian mass functions for clusters, and ( 3 ) two different velocity distributions which one has a constant dispersion and the other is described by the eddington formula, the dynamical evolution of globular clusters in our milky way galaxy is investigated in detail by means of monte carlo simulations
本文採用與觀測結果具有相同形式的球狀星團空間密度分佈函數，在給定兩種球狀星團系統的初始質量譜（冪律的和對數高斯的）和兩種球狀星團系統的初始速度分佈函數（愛丁頓速度分佈函數和常數的速度彌散度）條件下，我們採用montecarlo的方法對球狀星團系統的動力學演化進行討論。On the base of the numerical simulation of unsteady viscous flows, the characters of the static aeroelastics and flutter for the wings are researched. some examples, simulating the steady and unsteady transonic ( and subsonic ) viscous flows around onera m6 wing, are given in this paper
以oneram6機翼為算例，分別對其亞、跨音速定常及非定常粘性繞流狀態進行了數值模擬，並運用b - l和j - k兩種湍流模型計算結果和實驗數據進行了對比。And the kinetic parameters of mn ( iii ) / mn ( ii ) redox process were calculated to be ks = 1. 771 10 - 4cm ? s - 1, io = 4. 801ma ? cm - 2 and = 0. 234. the value of ks is sufficient to warrant further study to improve the reaction rate and to assess the feasibility of this couple as positive half - cell in a redox - cell system
Mn （ ） / mn （ ）體系在鉑盤電極上的標準速率常數ks的值說明可進一步研究來提高其反應速率，從而將mn （ ） / mn （ ）電對作氧化還原液流電池的正極材料。( 2 ) on the leading edge, the film cooling effectiveness at the zone immediately downstream of the cooling holes is affected by blowing ratio and mainstream reynolds number, while the effects are not important in the downstream zone far from the cooling holes. ( 3 ) on the front half of pressure surface, the effectiveness increases with decreasing blowing ratio at the downstream near the cooling row and it is contrary at the downstream far from the cooling row. ( 4 ) on the rear pare of the pressure surface, the effectiveness decreases with increasing blowing ratio and does not vary so much downstream in the cases of higher blowing ratio
研究結果表明葉片吸力面端壁附近區域壓力系數分佈呈現出較強的三維特性，動葉吸力面尤其明顯；氣膜孔流量系數隨吹風比的增加而增大，在高吹風比情況下，流量系數逐漸趨于常數；在不同型面區域，冷卻效率分佈有較大的差異，而且吹風比與主流雷諾數的影響程度也不盡相同；低吹風比下，孔出口下游附近可以得到較好的冷卻，中、高吹風比下，冷氣射流在加速流動主流的作用下返回壁面進行二次冷卻，孔下游較遠區域可以得到較好的冷氣覆蓋。A piezoelectric immunosensor was developed by immobilized transferring antiserum on the surface of quartz crystal to especial answer transferring, it can be get good answer to determined in the range of 3. 92 ~ 79mg / l ; the adsorption and desorption of consult serum on the quartz crystal monitored with tr - antibody, determined the rate constant of immuno - reaction was 2. 14xl07 ( mol / l ) ' 1xs ' 1, the association constant of the immuno - reaction ( k1ss ) was 6. 75xl07 ( mol / l ) ~ l
Oz vomg l范圍內的參考血請中的轉鐵蛋白進行了定量測定，獲得很好的響應；利用石英晶體微天平技術在線監測了參考血清在固定了轉鐵蛋白抗體的石英晶振上的吸附與解吸過程，測得了其抗原抗體免疫反應的速率常數為2 14xl0 』 （ mol l ） 』 xs 「 『 ，結合常數為6It can acquire the voltage on the test appliance and current in the circuit. and it can see these electrical signals as its input and calculates based on the data and gives the parameters and waveform that user needed. the parameters we can get through calculation include power factor, joule ' s integral, available value, maximal value, minimum value, time constant etc. recently, there are many scholar is studying the algorithm that calculate the parameter using test data, but many of them adopt the heuristic method, not using the test data directly
本課題研製一套電器試驗參數高速採集系統，能夠檢測試驗迴路中試品上的電壓信號和迴路中的電流信號，並根據這些電信號的數值利用計算機進行在線計算，並給出用戶需要的各種電參數值和用戶需要的波形圖，通過計算得到的電器參數有功率因數、焦耳積分、有效值、最大最小值、時間常數等。The goal of this paper is to study fully developed turbulent pipe flow. with the aid of the tripping annulus at the inlet, based on the experimental investigation and numerical simulation, detailed researches on a few basic rules in pipe flow have been performed, such as mean velocity profile, relative intensity of turbulence, the log - law, von karman ' s constant and reattachment length, thus filling some gaps in the research work of predecessors and obtaining a far - reaching understanding
本文的目的就是利用入口擋環進一步探索充分發展的圓管湍流，通過實驗和數值模擬對圓管湍流的若干基本規律，如平均速度分佈、相對湍流強度、對數定律、馮?卡門常數和再附著長度等進行詳細的研究，以填補前人研究中的一些空白，並獲得更深入的了解。Presents a new algorithm for detection of collision between two convex objects to improve the efficiency of collision detection during robot path planning in the robot simulation system, which establishes a linear system whithout variables based on a linear equation system in euclidean space through a series transformation, and concludes that collision is detected if the system contains no dilemma
如何進一步提高碰撞檢測的速度在智能機器人路徑規劃中非常關鍵.為此給出了一種新的碰撞檢測演算法；它是以空間中的平面方程為基礎，將一組平面方程進行幾次代數變換得到一組常數不等式，觀察這組常數不等式中是否含有矛盾不等式即可判定機器臂是否與空間中的障礙物相撞The results showed that with the increase of initial concentration of abamectin, the microbial decomposition rate increased, but higher concentration of abamectin inhibited the decomposition rate ; when the inoculation amount of dominant bacteria increased, the decomposition rate was accelerated ; two possible metabolite products were found by the analysis of tic and ms chromatogram, and possible mechanism of microbial degradation of abamectin was put forward
結果表明：在一定范圍內，當底物濃度增加時，降解速率常數相應加快，但高濃度對降解速率有一定抑制作用；而隨著接種量增加，降解速率逐漸加快；通過分析tic圖和質譜圖，可能主要有兩種代謝產物，進而推測了其降解機理。Moisture, the voids and the density of the pavement are expected for many operators in the road department. in order to promote the application of gpr to detect pavement quality as quickly as possible, in this paper some research works were zone. the mainly research results includes the following aspects : ( 1 ) since the dielectric constants of pavement medium have important influence on radar detection results, dielectric properties of pavement layers materials are analyzed for the design of practical gpr system and field application
目前探地雷達在公路上的應用還主要局限於路面結構層厚度的檢測，對路基路面物理力學指標的無損檢測被廣大公路工作者寄予厚望，這一技術的應用還有很多的工作要做，為了使其早日應用於實際，實現探地雷達對路面含水量、空隙率和壓實度的快速無損檢測，本文具體做了以下的一些工作： （ 1 ）鑒于介電常數對探地雷達檢測的重要影響，對路面結構材料的介電特性進行深入分析，為路用探地雷達的實際應用測量提供理論依據。Secondly, we numerically simulate the turbulence behavior of one - dimension fpu model and obtain probability density functions of the velocity differences in different conditions. we use tsallis statistics to fit the probability density functions and find out it was fitted very well
其次，我們對一維fpu模型中類似湍流行為進行了數值模擬，得到不同條件下速度差的概率密度函數，並利用tsallis統計對其進行擬合，發現兩者符合得非常好。In such situation, controlling of the transf - orming process and synchronizing of sampled data only could be achie - ved via hardware, and data must be stored ( by using high - speed stora - ge chip ) and digital signal must be processed ( by using high - speed d - sp ) in real time simultaneously
在這種情況下，通常只能用硬體實現轉換過程的控制和采樣數據的同步，仔細設計時序電路，同時必須採用高速存儲晶元對數據進行存儲和高速的數字信號處理器（ dsp ）完成數字信號的實時處理。The three - dimensional ( 3d ) euler equations are applied to the study of numerical simulation of chemical non - equilibrium oblique detonation wave standing on an accelerating projectile with attack angle
摘要採用三維非定常化學反應控制方程組對駐定在帶攻角高速飛行彈丸上的斜爆轟波流場進行了數值模擬。The control algorithms of both traditional and intelligent main - engine speed regulator are emphatically discussed in the thesis. the author established an simplified integrated mathematical model for marine main diesel engine, screw propeller and axis series with the mother type of large low speed diesel man b & w. the digital simulations for pi speed regulator are completed
本文討論了主機速度控制的兩種實現方法；論文以實船應用的manb & w大型低速柴油機為母型，建立了柴油主機、螺旋槳、軸系一體化的簡化數學模型，並對常規柴油主機pi調速系統進行了數字模擬。Nc machining requires " interpolation " algorithms that accurately and efficiently generate sequences of reference position, distributed according to a prescribed feedrate function, along the tool paths. this paper present a systematic derivation of the proper taylor series coefficients for variable feedrate interpolators. when the path is ph curves, detailed formulations for instances are presented where the feedrate v is specified as a constant, the function of the time t, the arc length s and the local curvature k
對于nc加工要求插值演算法沿著刀具路徑準確、有效的生成參考點序列（根據預先指定的速率函數進行分佈）的實際工程需要，本文系統地推導了變速率插值運算元的泰勒系數，給出了當路徑為ph曲線，速率v為常數，及時間t 、弧長s 、曲率k的函數時具體的插值運算元。After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves
在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後，首先從運動電荷和電力線的角度直觀地描述了脈沖電磁波的輻射過程，然後進一步從場與電荷相互作用的角度分析了天線上電荷是如何被加速以及如何維持其運動狀態的，指出了開放空間中突然出現的時變電場（位移電流）是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的天線和局部彎曲的天線進行了研究，以進一步說明上述觀點.對多種情況下的脈沖輻射過程進行了數值模擬，並給出了電場的等高線和空間波形圖，這些圖形對理解脈沖電磁波的輻射機理非常有益Using commercial finite element software ansys, the numerical simulations of the forming processes of decorated rib and handle, which are key positions in the door outer are conducted and investigated the differences of vpf and tradition forming. by using numerical simulation that investigates the effects of viscous injection flow rate on plank ’ s vpf formability and based on those investigated four - aluminum alloy ’ s vpf. the die has been designed for the door outer ’ s viscous pressure forming
首先採用商用有限元分析軟體ansys對車門成形中的關鍵部位裝飾筋和把手的成形進行了數值模擬，對比分析了粘性介質壓力成形與剛性模成形的特點;分析了粘性介質壓力成形過程中，粘性介質的注入速率對成形試件壁厚分佈的影響，在此基礎上對四種常用的6000系列鋁合金板材的粘性介質壓力成形進行了有限元數值模擬。The influence of coriolis acceleration level on human oculomoor and perceptual responses to investigate the influence of different coriolis acceleration levels ( 0. 329 cm / s2 > 0. 493 cm / s2 ^ 0. 658 cm / s2 ) on human subjective sensation and nystagmus. basic parameters including the pattern, the duration and the intensity of ci as well as mean slow phase velocity ( mspv ), beat, time constant of slow phase velocity decay and duration of horizontal and vertical eng, were recorded
493cm s 『 （ n 』 20cm s2 ） 、 0石58cm婦』 （ 『 15cln s刁三種不同強度的科里奧利加速度引起的科里奧利錯覺形態、強度、錯覺持續時間及伴隨的水平、垂直性眼震的眼震次數、最大慢相速度、平均慢相速度、慢相速度衰減時間常數、持續時間等參數的變化進行了觀察。Design and implementation of a fast round robin scheduler, in which a pipelined barrel shifter and a pipelined priority encoder are used ; testbench development of functional simulation for module verification and system verification, in which the bfm simulation model are used and some reference examples are proposed ; discussing the questions that should be paid attention to when using fpga to design high speed circuits and some design skills ; taking part in the system ' s integration and fpga implementation ; taking part in the system ' s test and verification ; the design of this thesis has provided some key method for inter - communication among different network processors, and also accelerated the development of communication products
討論了用fpga設計高速電路應注意的問題和一些常用的設計技巧；參與整個轉換邏輯的系統集成和fpga實現；參與系統的驗證工作；通信協議轉換邏輯的設計不僅可以解決不同網路處理器之間互通的問題，而且對于促進國產數據通信產品的研究與開發具有很重要的意義。同時在設計的過程中，進一步地探討了基於fpga的高速電路設計技術，對于fpga的設計有參考價值。The features of phase and group velocity were advanced by means of preparing samples with different shaping. the phenomenon of " cusp " in group surface of quasi - shear wave ( qsv ) was observed. the inversed velocity surface according to calculated elastic constants in real orthotropic media is consistent with practical measured velocity surface
用加工不同樣品形態的方法給出了正交各向異性介質的相速度和群速度特徵，觀測到各向異性介質群速度面上的尖點現象，並用測試得到的正交介質的彈性常數進行了數學模擬，其波場特徵與測試的速度面特徵相符。分享友人