離解率 的英文怎麼說

中文拼音 [líjiělǜ]
離解率 英文
dissociation rate
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 解 : 解動詞（解送） send under guard
  • 率 : 率名詞（比值） rate; ratio; proportion
  1. Steric effects in rate constants for bimolecular dissociation

    離解反應速率常數中的方位因素
  2. Due to existing signal processing technology ’ s shortage such aslow measurement, narrow measurement range precision and other poor performance, we introduced a high - precise signal processing technology : firstly, to get power spectrum with hanning windowed welch modified periodogram, search its peak value frequency ; secondly, to apply zooming analysis via goertzel algorithm ; at last, to get a highly precise doppler frequency with energy centrobaric rectifying algorithm 。 the simulating result indicated that this technology introduced could get accurate doppler frequency 。 depending on above discussed technology, we designed a signal processing scheme, and developed a signal processing system. the running result showed high performance, verified the feasibility and reliability of the highly precise signal processing technology introduced. in a word, the technology improved ldv ’ s performance such as measurement precision, measurement range, dynamic response time 。 and it will have a wide application foreground

    針對存在的缺點，本文提出了一種應用於激光多普勒測速的高精度信號處理技術，即首先利用加hanning窗的welch修正周期圖演算法得到信號功率譜，搜索其譜峰值頻率，接著利用goertzel頻譜細化演算法對搜索的譜峰進行細化分析，再引入能量重心頻譜校正演算法對細化后的譜峰進行校正分析，從而將離散頻譜分析演算法、頻譜細化演算法和頻譜校正演算法三者有機結合起來，充分發揮各自的優點:通過加hanning窗的welch修正周期圖演算法快速得到功率譜及峰值頻率，通過goertzel演算法獲得分析頻帶的高解析度頻譜，然後通過能量重心校正演算法對細化后的頻譜進行高精度校正，這樣不僅保證了演算法的高效性，而且大大提高了分析的精度。
  3. Detecting dissociate equilibrium constant of acetic acid with conductometer

    電導率儀法測定醋酸離解平衡常數
  4. 2. a frequency extrapolation scheme is developed to effectively predict radar cross section using floating genetic algorithm based on the geometrical theory of diffraction ( gtd ) model. the threshold discrete fourier transform ( tdft ) is introduced for the data compression in angle domain

    在目標散射中心建模方面，我們將浮點型遺傳演算法（ fga ）應用於實際人工目標的gtd模型參數的抽取，利用所抽取的模型參數完成了雷達散射截面rcs的頻率擴展以及數據壓縮，並利用擴展的數據提高了距離解析度。
  5. Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced

    混頻器是微波通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗，以及許多微波測量系統中至關重要的部件。在現代通信系統中，毫米波頻段通常採用超外差接收機，混頻器作為第一級就成為關鍵部件。由於在毫米波頻段，同頻段高性能的本振源成本高，技術難度大，採用分諧波混頻技術是解決此問題的有效途徑，只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。
  6. It is generally impossible to obtain the analytic optimal guidance law for complex nonlinear guidance systems of homing missiles, and the open loop optimal guidance law is often obtained by numerical methods, which can not be used directly in practice. the neural networks are trained off - line using the optimal trajectory of the missile produced by the numerical open loop optimal guidance law, and then, the converged neural networks are used on - line as the feedback optimal guidance law in real - time. the research shows that different selections of the neural networks inputs, such as the system state variables or the rate of los ( line of sight ), may have great effect on the performances of the guidance systems for homing missiles. the robustness for several guidance laws is investigated by simulations, and the modular neural networks architectures are used to increase the approximating and generalizing abilities in the large state space. some useful conclusions are obtained by simulation results

    對于復雜的非線性導彈制導系統，很難求得其解析的最優制導律，只能求得開環的數字解，不能適用於具有時變不確定性的導彈制導系統.利用神經網路的學習和推廣能力，對開環的數字最優制導律進行離線的學習，作為閉環的神經最優制導律在線應用.研究分別選擇系統狀態變量和視線角速率等不同的神經網路輸入對制導系統性能的影響，以及各種制導律的魯棒性問題，並採用模塊化神經網路結構提高神經網路的學習和推廣能力，模擬結果得到一些有益的結論
  7. In chapter two, the basic principles of rempi technique are introduced including the resonance enhanced effect, the selection rule, the mechanism of photoionization and photodissociation, rempi rate equation and the property of rydberg state

    第二章介紹了rempi技術的基本原理，包括多光子共振躍遷的選擇定則、電子態的光解離機理、描述rempi過程的速率方程和分子rydberg態的性質。
  8. In this dissertation, we firstly prove that any dirichlet problem is indeed equal to a voltages problem of networks. we give five solutions to dirichlet problem in two dimensions ; among these five solutions, we prove that the iteration solution and the solution of relaxations are exponential convergence, then we estimate their respective convergence rates ; secondly, we discuss random walks on general networks, prove that there is an one to one correspondence between networks and reversible ergodic markov chains ; thirdly, we give probabilistic interpretation of voltages for general networks : when a unit voltage is applied between a and b, making va = 1 and vb = 0, the voltage vx at any point x represents the probability that a walker starting from x will return to a before reaching b ; furthermore, we study the relationship between effective resistance and escape probability : starting at a, the probability that the walk reaches b before returning to a is the ratio of the effective conductance and the total conductance

    本文證明了任何邊值的dirichlet問題都可轉化為求解電路電壓的問題：給出了計算平面格點上dirichlet問題的5種方法：證明了迭代法和松馳法都是指數收斂的，並分別給出收斂速度的估計；討論了一般電路上的隨機徘徊，驗證了電路與可逆的遍歷markov鏈是一一對應的；給出了電路電壓的概率解釋：當把1伏電壓加於a ， b兩端，使得v _ a = 1 ， v _ b = 0時，則x點的電壓v _ x表示對應的markov鏈中，從x出發，到達b之前到達a的概率；進一步地，給出了逃離概率與有效電阻之間的關系：從a出發，在到達b之前到達a的概率為有效傳導率與通過a的總傳導率之比。
  9. Isar transmits wide bandwidth signals to obtain high range resolution. the cross - range resolution is obtained by the doppler frequency information of the target ’ s rotation

    逆合成孔徑雷達通過發射大帶寬信號獲得好的距離解析度，利用目標相對于雷達的轉動產生多普勒頻率梯度來獲取好的方位向分辨力。
  10. The results of the experimental tests show that nh4cl and k2hpo4, kh2po4 are the most available nutrents to our isolates when they are degrading oils. the most suitable experinment condition is : temperature being 30 c, initial ph being 7 - 8, the shaking rate of the culture flasks is 180 r / min, the concentration of nacl is 1 %. the biodegradation results have shown that our 6 isolates have the effective degradation capability to crude oil ; within 6 days the transforing rate of oil by each single strain is more than 60 %

    本研究分離出的6株菌，初步鑒定結果為： sy1為微桿菌屬、 sy2為諾卡氏菌屬、 sy3和sy5為假單胞菌屬、 sy4和sy6為芽孢桿菌屬；實驗結果表明， 6菌株的最佳氮源為氯化銨（ nh _ 4cl ） ，最佳磷源為磷酸氫二鉀和磷酸二氫鉀的混合物，最適生長條件為：溫度為30 ，初始ph值為7 8 ，搖床轉速為180r min ，鹽（ nacl ）濃度為1 ；通過降解實驗得出6株菌對原油都有較強的降解能力，單一菌株在5天後的原油降解率都高於60 ， 6株菌對原油的生物降解反應符合一級反應動力學特徵。
  11. This could help explain our falling divorce rate

    這剛好能解釋英國的離婚率為什麼在下降。
  12. Ultra - wide band ( uwb ) radar is paid more attention to due to its great capabilities in high range resolution, robust anti - jamming and low probability of interception

    超寬帶雷達因其高距離解析度、強抗干擾能力、低截獲率等優異的性能受到越來越多的關注。
  13. Because of the advantages pf no range blind area, high range resolution and low signal power, recently lfmcw radars attracted more and more attention. the theories, key technologies and application develop rapidly

    線性調頻連續波雷達由於具有無距離盲區、高距離解析度、低發射功率等方面的優點，近年來受到廣泛關注，其理論、關鍵技術和應用得到迅速發展。
  14. It is indicated by quantum chemistry calculation that dissociation energy of ti, c and si is 108kj / mol, 499. 7 kj / mol and 626. 1 kj / mol, respectively, coincided well with the experimental ones found in literatures

    量子化學計算表明其離解能分別為108kj mol 、 499 . 7kj mol和626 . 1kj mol ，與文獻報道的試驗值吻合。離解能數據及速率常數的計算均證明ti的離解較為容易。
  15. Because of the advantages of no range blind area, high range resolution, low signal power and simple structure, lfmcw ( linear frequency modulation continuous wave ) radar attracted more and more attention recently

    線性調頻連續波（ lfmcw ）雷達是一種通過對連續波進行頻率調制來獲得距離與速度信息的雷達體制系統。由於其具有無距離盲區、高距離解析度、低發射功率、結構簡單，便於集成化等優點，適合用於液位測量系統。
  16. The main work is given as follows : the stepped - frequency waveform synthesizing the wideband signal, the synthetic range profile ( srp ) by ifft, the range resolution of stepped - frequency waveform, the effect of the radial velocity on the srp, the radial velocity compensation, ambiguity function, waveform design and stepped frequency sar imaging and so on

    包括：頻率步進波形合成超寬帶信號分析， ifft方法獲得目標一維距離像與距離解析度分析，徑向速度對目標距離像的影響、速度補償、頻率步進信號的模糊函數分析，以及頻率步進波形照射下的合成孔徑雷達成像、波形設計與系統設計。
  17. The approach extends the parallel factor ( parafac ) analysis model from the common data - domain and subspace multiple invariance sensor array ( mi - sap ) formulations to the cumulant one, and forms three - way arrays by using the cumulant matrices got from array outputs, and analyzes the uniqueness of low - rank decomposition of the three - way arrays, then jointly estimates the ranges, frequencies and doas from the matrices via low - rank decomposition

    該演算法將通常在數據和子空間域應用的平行因子分析模型擴展至高階累積量域，利用陣元輸出計算的高階累積量矩陣構造三面陣，分析了該三面陣低秩分解的唯一性，並從分解得到的多個矩陣中聯合估計信源距離、頻率及到達角。
  18. According to the current problems such as low quantum efficiency. limited available sun energy spectrum range, and inefficient recovery, resulted from the practical using of photocatalysis, using the narrowband semiconductor cds ( eg = 2. 5ev ) to compound with tio2 seems to be an effective solution. since it will not only enlarge the region of the absorption with the proper narrow band of cds but also improve the photodegradation efficiency on account of the band overlap of the two, which makes the photo induced electron and holes separate more easily

    本文針對光催化技術應用中存在的tio _ 2光催化量子效率低，吸收利用太陽能光譜范圍有限，催化劑回收困難等問題，通過窄禁帶半導體cds （ e = 2 . 5ev ）的復合，對納米tio _ 2進行了改性研究，一方面，由於cds的窄禁帶寬度可以擴展薄膜的光譜吸收范圍，另一方面，由於能帶的交疊，提高了光生電子和空穴的分離效率，從而提高了薄膜的光催化降解效率。
  19. Especially in our country, from the government to local ity and the professions, the scientific subjects in a i i kinds of research plans, during the course of appraisement, are to be adopted the method of the peer preview with almost no exception. the research purpose of this subject is to classify the scientific subjects according to their objectives and qualities ; to determine a selecting requirement used by the peer experts so as to be fixed in the course of pract i ca i appra i sement under the gu i d i ng i deo i ogy of open, fai rness, impartiality ; to establ i sh var ious appraising standard and real izing measures due to the guide of existing appraise management theory and the principles that the determination of qua i ity should be combined with quantity, so as to make the peer preview system more scientific, more objective, more operational. this article first introduces the basic concept, the essence and the appraisement of the peer preview, then divide the various scientific planning subjects in our country into three parts of the basic research, the appl i cat ion research and spread of the achievement, the industrial subjects

    本文首先介紹了同行評議的基本概念、同行評議的實質、同行評議系統的評價；然後，將我國各級各類不同性質、不同目的的科技計劃項目，劃分為基礎研究、應用研究和成果推廣與產業化項目三大類；介紹了科技項目的申報及評審程序；根據不同類型科技項目立項的評審過程，提出了同行評議專家遴選的基本要求，建立了同行評議專家基本情況指標體系及模型，對同行專家評議的工作業績，提出通過評議項目累計數、離散率、命中率和成功率來進行評價；針對不同類型科技項目的特點，建立了較為準確、公正、可靠、可比、現實的評價指標體系；並在此基礎上，提出了若干演算法及解決方法；最後，對現階段國內外同行評議研究與實踐中應注意的幾個方面，提出了建議意見與對策。
  20. Effect of integratase tnpi on resolution reaction of resolution vector the integratase tnpi has great effect on the speed and time of resolution reaction

    整合酶對載體解離特性的影響整合酶對解離載體的解離速率和時間影響很大。
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