演化質量 的英文怎麼說

中文拼音 [yǎnhuàzhíliáng]
演化質量 英文
evolutionary mass
  • 演 : 動詞1 （演變; 演化） develop; evolve 2 （發揮） deduce; elaborate 3 （依照程式練習或計算） drill;...
  • 質 : Ⅰ名詞1 （性質; 本質） nature; character; essence 2 （質量） quality 3 （物質） matter; substance;...
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 演化 : evolution
  • 質量 : 1 [物理學] mass 2 （產品或工作的優劣程度） quality 3 economy （離子源的）; 質量標準 quality level...
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。
  2. Abundant non - chemical bond association interactions are existed in fanzhi brown coal and the association interactions will change in the thermal evolution

    研究結果表明：繁峙褐煤中含有大量的非化學鍵締合結構，在有機質的演化過程中，非化學鍵締合結構也進行著同步的演化。
  3. Carbon stars with c / o > 1 are a kind of stars that form at the agb stage and evolved from oxygen - rich agb stars with mid - mass

    碳星是中等質量星演化到agb階段時可能形成的一種恆星，它由氧星演化而來， [ c o ] 1 。
  4. These stars are undergoing important mass loss process and are likely to represent a more evolved phase of the stellar evolution than visual carbon stars

    紅外碳星經歷了重要的質量損失過程，是光學碳星演化的後期。
  5. The extreme carbon stars, whose derived mass loss rates and optical depths are both very high, are more evolved than infrared carbon stars. these stars are expected to evolve into protoplanatary nebula soon

    極端碳星是高度演化后的紅外碳星，它的質量損失率及光深都非常高，幾乎沒有其光學對應體，並將很快演化為前行星狀星雲。
  6. Visual carbon stars whose mid - infrared spectra are mainly dominated by photospheric continuum and show large excesses at 60um, represent a transition phase which follows an interruption of mass loss from the oxygen - rich phase and begins a new phase of the mass loss of carbon - rich material. excesses at 60um in these stars are the emission from the residual of oxygen - rich material

    光學碳星的中紅外能量主要來自光球，在60 m處存在超量發射，人們認為其演化階段處在拋射富氧物質終止和新的富碳拱星殼層形成之間，其60 m超量發射就是富氧物質的殘余效應。
  7. 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。
  8. Abstract : large time delay exists in complicated practical processes. for example, in fccu ( fluidized catalytic cracker unit ) reactor - regenerator, the feed is preheated through heat exchanging from fractional column slurry, thus results in large time delay. a predictive control system is designed for such processes, where the kernal algorithm is dynamic matrix control. application results show that the control behavior is improved than original pid control

    文摘:實際的復雜工業過程，往往具有大的時滯，例如：煉油廠催化裂化裝置的反應再生系統，其原料油預熱通過油漿換熱實現，因此時滯特別大.本文針對這一類大的時滯過程，設計了以動態矩陣控制為核心演算法的預測控制系統，運行實踐表明：這一控制方案比原pid控制在控制質量上有較大提高
  9. Gathering fuzzy technique and model - identifying technique to processing research, fuzzy model - identifying technique, a intersecting science, has been come out, which has become hoto in this thesis, based on deeply researching the fuzzy unit - identifying and complete analysis on data of measuring well of the chandqing wushenqi district, the method of constructing self - adapting multi - dimension non - liner subjection degree function has been created without precedento based on the extraction of routine measuring well character parameters, and for adopting self - adapting method to carry through character compression, the model has been improved the performance and enhanced the convergence speed and sorted precision of the algorithm o the relation of measuring well information and the oiliness & gassiness of sandstones is fuzzy ? in the thesis, the law of max subjection degree has been studied and improved, and proved preferable effect in the practical application

    論文在提取一些常規測井特徵參數的基礎上，採用自適應方法對各變量多項式進行優選，減少了特徵參數間的相關性，突出了類別間的差異性，從而優化了模式的質量，提高了分類的精度。測井信息和砂體的儲集性之間的關系是帶有模糊性的，論文對模糊「最大隸屬原則」進行了研究和改進，並在實際應用中取得了較好的效果。論文成功研製了「自適應」的演算法和軟體? ?即通過對正確回判率的比較，然後對參數進行調節的辦法，可將模式「訓練」到最佳狀態。
  10. A quantitative analysis of this idea led to the prediction that a star remaining about three times the mass of the sun at the end of its evolution ( usually as a neutron star ), will almost inevitably shrink to the critical size needed to undergo a gravitational collapse

    該想法的定量分析導致預言一顆恆星在終止它演化時候保持大約三倍太陽的質量（通常看做一顆中子星） ，將會幾乎不可避免收縮到臨界體積必須遭受引力坍塌。
  11. Evolution of stars of all masses takes place on a hydrodynamic time scale.

    各種質量的恆星的演化，均以流體力學的時間尺度進行。
  12. On the bases of the galaxy evolution theory, we use the therotical chemical evolution model of three zone ( such as halo, thick disk and thin isk ) and multi - phase ( diffuse gas, molecular clouds, stars of both low and high mass, the remnants ). by comparing with the observational constraints, such assurface densities, age - metallicity relation, g - dwarf metallicity distribution in the solar neighbourhood and the correlation between [ a / fe ] and [ fe / h ], supernovae rates, infall rates. the rationality of the model is verified. based on the theory model, we calculate the abundance of neutron capture element

    本文正是在銀河系化學演化的基礎上，利用銀河系的三成分（ threezone ） （即暈、厚盤和薄盤）多相（ multi - phase ） （氣體，分子云，大、小質量恆星以及剩餘物質）的化學演化的理論模型，通過與觀測約束（質量面密度、場星的年齡-金屬豐度關系、太陽附近g矮星金屬含量分佈函數、三成份的特徵量、元素的星系化學演化、超新星的爆炸率、內落速率等）的比較，來檢驗模型的合理性。
  13. There are distributed a great number of cenozoic basalts and mantle derived xenoliths in north china and south china. for understanding the materials constitutes, evolution, mantle metasomatism, and inhomogeneity of the lower crust and upper mantle, there is a must of doing some research on these host basalts and the xenoliths

    華北、華南地區發育大量新生代玄武巖及幔源包體，對其進行研究，有利於進一步深入了解下地殼和上地幔的物質組成、演化、地幔交代和不均一性以及地球物理反演結果的可靠性等。
  14. In general, ba stars belong to binary system, and their heavy - element overabundances are due to the accreting material from the companions ( the former tp - agb stars and the present white dwarfs ). carrying out a series of monte - carlo simulations, the changes of orbital elements of binaries are recalculated for wind accretion scenario of the total angular momentum conservation

    研究表明，鋇星應該屬于雙星系統，其重元素超豐來自雙星吸積，它的伴星已經經歷了s -過程核合成，而且由在以前發生的同其伴星（以前是agb星，現已演化為白矮星）的質量傳輸過程中，從伴星那裡獲得了富含重元素的物質，這樣造成了鋇星的重元素超豐。
  15. A new genetic algorithm based on diffluent mechanism ( dmga ) is put forward. its strategy is that excellent seeds are set limit to reproduce, certified seeds are crossed and bad seeds are mutated. the crossover probability and mutation probability is adjusted by the evolutionary equality

    提出一種基於分流機制的新型遺傳演算法（ dmga ） ，該方法採用優種限量繁殖，達標種交叉和劣種變異的策略，交叉和變異概率根據進化質量自適應地調整，使種群具有很強的可進化性。
  16. Companies always put students learning achievement, the overall quality and performance quality actor first, the exchange of cultural and artistic activities, we seek to excel, and conscientiously carry out everything, and maintain quality service and good reputation, we always will be the goal pursued

    公司始終把學員的學習成績、演員的綜合素質以及演出質量放在第一位，對各種文化藝術交流活動，我們力求精益求精，認真做好每一件事，保持優質的服務及良好的信譽，將是我們永遠追求的目標。
  17. In the experiment ， the hydrocarbons generated from pyrolysis are appropriately classified as drained and occluded hydrocarbons which correspond to the amount of hydrocarbons in geologic body entering reservoirs by primary migration and the amount occluded in parent rocks and evolving continuously together with parent rocks ， respectively

    試驗中把熱解生成烴適當分成排出烴和滯留烴，分別對應于地質體中油氣經初次運移進入儲層的量和滯留于母巖並同母巖一同繼續演化的量。
  18. Based on the characteristics of english speech words and the implicature control theories, this thesis discusses the control of the implicating degree and the implicating quality in english speech words via diction and sentence structure, with the view to guaranteeing good english speeches and improving linguistic performance and appreciating ability

    摘要結合演講本身的特點和含意控制理論詮釋如何通過遣詞造句對英語演講詞實現含意化程度和性質的控制，從而提高英語演講質量、英語語用能力和鑒賞能力。
  19. Considering the communication cost and optimization qualities, an ant colony algorithm based on the coarse - grain model is designed to solve the problem of this model

    為求解該模型，並綜合考慮優化質量和通信開銷，採用了基於粗粒度模型的并行蟻群演算法。
  20. We present a simplification architecture that allows the exploration of such navigation tradeoffs. this is achieved by a formulating the problem in a generic way and developing software components that allow the dynamic selection of algorithms and constraints. the experimental results show that the architecture is flexible and supports dynamic reconfiguration

    模型簡化質量與模型簡化速度之間權衡是移動場景圖形中重要問題，我們針對此問題給出一種堆棧化體系結構，此結構通過分析用戶偏好來動態決定模型簡化演算法的選擇與場景完全性實施，從而體現系統對場景圖形中模型簡化質量與速度的控制。
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