進化速率 的英文怎麼說

中文拼音 [jìnhuàsùlǜ]
進化速率 英文
evolutionary rate
  • 進 : 進構詞成分。
  • 速 : 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 : 率名詞（比值） rate; ratio; proportion
  • 進化 : evolution
  • 速率 : speed; rate; tempo
  1. In this dissertation, refining grains, depositing conductibility carbon film on the surface of the particles and doping mg ~ ( 2 + ) into the lattice of lifepo4 were adopted to improve the electro - chemical performance of the cathode material. the cathode material lifepo4 mainly has two flaws, the low conductibility and the slow li + ion diffusion, which have a bad influence on the performance of the cathode material

    論文主要針對制約正極材料lifepo _ 4性能的兩大致命的缺點，即低的電子導電率和低的鋰離子擴散速率，採取材料顆粒的細化、顆粒表面沉積碳導電層以及mg ~ （ ~ （ 2 + ） ）離子摻雜等措施對其進行改性探索，以提高正極材料lifepo _ 4的電化學性能。
  2. For electrodeposition by dc methods, the metals deposite uninterrupted and the particles were also embeded uninterrupted into the coatings ; for electrodeposition by pc method, the particles with biggish volume were desorbed from the coatings and returned to the electrolyte again owing to the presence of pulse interval ; for electrodeposition by prc method, the particles carried positive charges are much more easy to desorb from the coatings owing to the effecf of reverse pulse current combined with pulse interval, in addition, the reverse pulse current also could dissovle the metals, further accelerates the desorption of particles, thus the particles size embeded in the coatings by prc method is the least

    直流電沉積時，基質金屬的沉積連續進行，粒子在電極表面不間斷嵌入鍍層;單脈沖電沉積由於脈沖間歇的存在使得具有較大體積的粒子會脫附，重新回到溶液中;採用周期換向脈沖時，反向脈沖電流使表面荷正電的較大的粒子更易從電極表面脫附，同時，反向脈沖電流對基質金屬的溶解作用，也會促進粒子的脫附，因此鍍層中復合粒子尺寸最小。隨著鍍層中粒子復合量的增加，三種鍍層的晶粒都明顯細化，說明al _ 2o _ 3的存在阻止了晶粒的長大，提高了電沉積過程中晶核的形成速率。
  3. In this paper, the deconvolution ( and high - order - deconvolution ) electroanalysis theory totally controlled by electrode reaction rates was modified and its properties of polarographic wave was also discussed in detail

    摘要本文提出了完全受電極反應速率控制的去卷積（包括高階去卷積）電化學分析理論，並對波形的性質進行了較詳細的討論。
  4. 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
  5. The error caused by the photoperiodic induction changes along with the initiatory and terminative radiation level. and the effect of photosynthetic oscillations should be emphasized in fast measurement of photosynthesis

    在誘導期間（光誘導期或光合振蕩期）進行光合速率測定造成的誤差與葉片光環境變化前後的強度水平及光質有關。
  6. Collisonal quantum interference ( cqi ) was observed in the intramolecular rotational energy transfer in the experiment of the static cell, and the integral interference angles were measured. to observe more precise information, the experiment in the molecular beam should be taken, from which the differential interference angle can be obtained precisely. in this paper, the theoretical model of cqi is described in an atom - diatom system in the condition of the molecular beam, based on the first - born approximation of time dependent perturbation theory, taking into accounts the anisotropic lennard - jones interaction potentials. the method of observing and measuring correctly the differential interference angle is presented. the changing tendencies of the differential interference angle with the impact parameter, velocity, and et al. are discussed

    分子內部轉動傳能的靜態池實驗觀察到了碰撞量子干涉效應（ cqi ） ，並且測得積分干涉角，為了獲得更加精確的分子內部轉動傳能的碰撞量子干涉效應信息，實驗就必須要採用分子束實驗進行.本文理論上採用各項異性相互作用勢，應用含時微擾理論的一級波恩近似，假想在分子束實驗的條件下，建立在原子-雙原子分子體系中碰撞量子干涉的理論模型.理論上推導出微分干涉角具體表達式，通過計算定性地討論了微分干涉角隨著碰撞參數、速率等的變化趨勢，同時初步探討了實驗的正確觀測途徑，得出了採用分子束進行實驗觀測的實驗方法，為進一步進行分子束實驗提供了理論基礎，對實驗的進行起到了一定的借鑒作用
  7. Inhibitors and promoters may affect the rate of oxidation.

    抑制劑和促進劑能影響氧化速率。
  8. Furthermore, referring to the literature and considering the specific experimental conditions given by the research, expression of the change of feed rate with time is presented, to obtain the linear growth of the diameter of pre - sintered glass beads, thus the distribution of beads size is relatively well controlled and raw material is spared in some extent. eventually, during the experiment discrete change of feed rate is implemented, and the practical changes of average diameter are plotted, then the results are compared with the theoretical calculated data

    另外，本文通過對造粒技術、燒結過程的大員文獻調研，結合本研究的具體情況，通過控制進料速率呈連續性變化，基本實現了燒結前球坯直徑的線性生長變化，從而更有利於實際生產中的產品粒度控制以及做到節約用料，並在試驗操作中以離散型進料速率變化來加以比較驗證。
  9. It has been detailedly studied about three - dimensional shape and internal structure of deposital system in the continental basin. but lacking of high - resolutional study on confirming age according to the genetic unit, and also lacking of quantificationally study on evolutive periodicity and velocity of deposital system and its internal structural unit

    在陸相油田沉積學研究中，人們對陸相油田地下沉積體系的三維形態描述和內部構成特徵的研究已較為深入，而缺乏對以成因相為單元進行高精度定年研究，更缺乏對沉積體系及內部構成單元演化周期及演化速率的定量研究。
  10. Abstract : on the basis of the general chromatography rate model, the effects of bi number, number, mass transfer pel number, particle diameter, injection and ratio of solute diameter and pore diameter on the chromatographic peak of taxol and the separation of taxol and cephalmonnine were simulated with computer. the essential factors affect on the chromatographic process of taxol and cephalmonnine were obtained and a more useful theory was provided to direct the chromatography separation of taxol and cephalmonnine

    文摘:根據建立的液相色譜普遍化速率模型，模擬了比渥數、數、傳質彼克列數、粒徑、進樣量和溶質分子直徑同多孔粒子孔徑比對紫杉醇色譜峰峰形和紫杉醇和三尖杉磷堿色譜分離度的影響，獲得了控制紫杉醇和三尖杉磷堿色譜過程的主要影響因素，從而為紫杉醇和三尖杉磷堿的色譜分離提供了更好的理論指導。
  11. Then again, the cultre factor of labour is approached out of giving additional remarks to the inevitability in advancing and the difference in rate of advancing which are to the technical - meaning - productivity of labour, first, cultre is ponited out as a dominate factor of labour except " instinct compeling ", next, cultre is distinguished to two types ; knowledge to the labour and ideology to the productive - labour, meanwhile, an explanation is given to the inevitability in advancing which is to the cultre and the reaction of the ideology on knowledge

    再繼之，本文出於補充說明勞動的技術生產力在進動上有其必然但在進動速率上卻有差異的需要，對勞動的文化要素作了探討，先是指出了文化是除「本能驅迫」之外的勞動要素中居於支配地位的一個要素，次是區分了文化的兩個類型即勞動之知識和生產勞動之觀念或意識形態，並就文化之必然進動原因以及生產勞動之觀念對勞動之知識的反作用作了說明。
  12. Analysis of the variation of bases of epsps of brassicaceae, solanaceae and poaceae indicate that the evolutionary rates of epsps are different between brassicaceae and solanacea e and the rate in solanaceae is higher than the rate in brassicaceae according to the total substitution rate of bases

    分別對十字花科、茄科、禾本科序列的堿基變異情況分析，結果表明， epsps基因在十字花科和茄科中的進化速率不一樣，對于總的堿基替換率，茄科高於十字花科。
  13. Different genes are used to the research of phylesis because of their different evolutionary rate

    不同基因由於其進化速率不同，而適用於不同分類等級的系統發育研究。
  14. The evolutionary rate of ribosome dna is more fast and only suit to the phylesis between genus and species

    核糖體dnaits序列進化速率更快，只能用於屬間和種間分類群的研究。
  15. Comparatively, the evolutionary rate of proteins coded by the nuclear genes is four or five times as fast as the rate of the two formers

    與它們相比，核編碼蛋白基因的進化速率分別快4 5倍和12 15倍。
  16. In this review, we summarized the studies of the molecular mechanisms of gene duplication, the preservation of duplicated gene, the selections acting on duplicated gene, the alternative ways of divergence and the evolution rate

    文章綜述了重復基因的產生機制、保留機制、選擇作用、分化途徑以及重復基因進化速率等方面的相關研究，揭示了基因重復對生物進化的重要性，以引起大家對該領域的關注。
  17. In the improved ga, it is ensured that the optimized probability of every parameter is approximately equal and so the search is speeded to a great extent

    這種演算法保證了被優化參數參與優化過程的概率基本均等，較大幅度地提高了進化速度。
  18. Based on the data of vertical and horizontal displacements from a certain construction site in cixi city of zhejiang province, the validity of controlling earth - extrusion effects in saturated soft clay ground caused by statically piling was quantitatively analyzed and compared with different technical measures, including reduction of piling rate and installation of stress - relax holes

    摘要根據在浙江省慈溪市某靜壓法沈樁施工現場所監測的地基土位移數據，定量分析比較了控制施工進度、設置應力釋放和排水深孔等工程技術措施對減輕飽和軟粘土地基沈樁擠土效應的有效性，並初步提出了現場地基土位移及其變化速率的監控標準。
  19. In this paper, theoretical models for kinetic study of chromatography in recent years is summarized and several kinds of models used commonly are described such as general rate model, lumped pore diffusion model, equilibrium - dispersive model and transport - dispersive model, and their characteristics and application range are discussed

    本文對近年來色譜分離動力學研究常用理論模型的發展進行了綜述，重點介紹了普遍化速率模型、集總孔擴散模型、平衡擴散模型和傳遞擴散模型4種常用的色譜模型，並討論了各模型的優缺點及應用范圍。
  20. We chose suitable tcp throughput model to estimate the available bandwidth correctly, using the estimated round trip time and packet loss ratio for the next time interval as parameters of the model to achive the accuracy of estimated network bandwidth. as the observed losses and round trip time vary very dynamically, adjust the sending rate equivalent to the amount of tcp throughput may result in a rather fluctuant sending rate. so we present a rate adjustment like tcp congestion control based on aimd, which increases its sending rate by an additive inereease rate

    根據mpeg4視頻流應用的特點，選擇合適的吞吐量模型，進行合理的參數估計，並根據計算出的帶寬進行相應的速率調整來實現擁塞控制，我們使用未來rtt的估計值和分組丟失率的估計值作為吞吐量模型的參數，增強了控制的實時性，弱化了業務的振蕩性，提高了帶寬預測的準確性；在進行速率調整時，不是簡單地將發送速率調整到與tcp吞吐量模型一致，而是採用類似tcp的aimd策略來調節發送速率，減小了發送速率的振蕩性。
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