適應性輻射 的英文怎麼說

中文拼音 [shìyīngxìngshè]
適應性輻射 英文
adaptive radiation
  • : 形容詞1 (適合) fit; suitable; proper 2 (恰好) right; opportune 3 (舒服) comfortable; well Ⅱ...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : 名詞(車輪中車轂和輪圈的連接物) spoke
  • : Ⅰ動詞1 (用推力或彈力送出) shoot; fire 2 (液體受到壓力迅速擠出) discharge in a jet 3 (放出) ...
  • 適應性 : adaptability; flexibility
  • 適應 : suit; adapt; get with it; fit
  • 輻射 : radiation; exposure; radio; beaming
  1. But the signals mixture problem can be brought on by the drop of adaptive performance caused by using subarray and by overmany radiation sources. so bbs is used to solve the problem. this dissertation focuses on subarray architectures and the algorithms of ica, and proposes a new and more practical subarray architecture and a more suitable algorithm to separate radar signal

    同時針對採用子陣法導致自能下降以及現代雷達信號環境多個源等問題引起信號混疊現象,論文採用盲分離來對雷達信號進行分離處理,並針對雷達信號的特點提出一種用的演算法。
  2. The genetic relationship between isolates of europe and china was closer than china and north america ' s. the inner genetic diversity of chinese phylogenesis lineages is higher, at the same time the territorial genetic differentiation and evolution direction divergence have taken place. the mixed lineage in heilongjiang province indicated that the isolates distribution pattern of a. gallica in heilongjiang province accorded with the characteristic that the distribution was formed by adaptive radiation of common ancestral forms

    在以黑龍江省高盧蜜環菌為主的中國大陸發育系內部的遺傳分化程度較大而且遺傳多樣較高,並出現了區域的遺傳分異和進化方向的分歧,同時還證明了黑龍江省內高盧蜜環菌的分佈格局也符合由共同的遠古祖先種適應性輻射形成的特點。
  3. ( 3 ) uv - b radiation increased the phenylalanina ammonia - lyase ( pal ) activity in leafy thallus of duckweeds, and as a consequence, flavonoids were accumulated. flavonoids synthesis induced by supplementary uv - b is an adaptive response of duckweeks under enhanced uv - b radition

    ( 3 )紫萍可以通過提高uv - b吸收物質如類黃酮合成酶苯丙氨酸氨裂解酶( pal )活,促進類黃酮的積累來uv - b的脅迫。
  4. Energy consumption of heating rooms will increase when air exchange rate become large. because the mechanisms of heating methods used currently, such as radiator heating, ceiling heating and warm - air heating, are different from each - other, the indoor thermal environment is not the same when each one of them employed for room heating. for enhancing energy efficiency of heating rooms, indoor thermal comfort and energy saving effects should be investigated when natural ventilation is used to make a good air quality indoors

    房間換氣次數的增加勢必導致供暖房間能耗加大,頂棚、散熱器和熱風等三種採暖方式由於供暖機理不同,形成的室內熱環境特徵不同,通風換氣時產生的通風熱損失也有所區別,為了提高大換氣量房間的供暖節能效果,必須對不同供暖方式在大換氣量情況下的熱舒與節能效進行研究。
  5. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動學原理的單站無源定位理論基礎上,本文第二章提出了幾種在角度測量的基礎上增加角度變化率及相對運動的離心加速度等運動學參數的單站無源測量模型,並對它們進行了分析和模擬;第三章分別對利用角度及其變化率信息定位和利用離心加速度信息定位的可觀測進行分析並得到了相的可觀測條件;第四章針對傳統擴展卡爾曼( ekf )方法的缺點,提出了一種修正協方差的擴展卡爾曼濾波( mvefk )方法,並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了能模擬比較;第五章通過引入雷達機動目標跟蹤方法和模型,提出了利用角度及其變化率對機動源跟蹤的多級噪聲自方法和imm方法;第六章主要對角度變化率和離心加速度參數的獲取技術進行了研究,提出了幾種高精度測量脈沖序列多普勒頻率變化率的方法。
  6. The research uncovered the facts that, in the design of space vehicles, the single event effects induced by high - energy protons and iron ions in space must be taken into account seriously, the proper hardening measures must be taken to protect the electronic devices from disfunction. it is also suggested that, for the low - orbit satellites, the south atlantic anominal zone should be avoided

    宇宙高能質子和鐵離子的單粒子效在航天任務設計中需要重點考慮,空間用的電子學元器件,必須進行當的抗加固,在設計低軌道衛星軌道時必須設法避開南大西洋異常區( saa ) ,航天任務設計中還需要掌握太陽質子事件總體上11年為周期的特
  7. It is heat - resistant, durable, has high degree of adapting capacity, sound - proof, anti - frosting and able to reduce the radiation of the sun

    具有很強的隔熱、耐久的採光節能防噪聲功能、防結霜,降低陽光等功能。
  8. Therefore, the waveguide optical modes in the semiconductor lasers with different waveguide structures are investigated by means of optical waveguide theory. with the development of fabrication and packaging techniques, the dimensions of optoelectronic and photonic systems have become smaller and smaller. the far - field radiation models are no longer suitable for the near - field distribution of semiconductor lasers

    隨著製作工藝和封裝技術的發展,光電系統和光子系統的尺寸越來越小,半導體激光的遠場模型不再合其近場特的分析;而且,半導體激光器可以作為近場虛擬光探針,用於近場光學高密度存儲、納米光刻、近場光學成像以及光譜探測等領域。
  9. Based on setting up the fire safety goals, performance criterion, fire scenario and uncertainty factor, this article simulated the occupants ’ evacuation time, smoke spread, radiation flow etc and determined fire detector and automatic extinguishing device by using the developed engineering method. and so these buildings ’ fire safety goals, which have the equivalent safety level with the existing national standard, can be achieved and those problems, which caused by some incompliment requirements or the existing codes not adapting to the practical need, can be solved

    針對這類建築存在的典型問題,通過設定消防安全目標、確定能判據、建立火災場景,考慮不確定因素,運用已開發的工程學方法對人員安全疏散時間、煙氣蔓延、熱通量等進行模擬計算,對火災探測和自動滅火設施進行分析選擇,認為大型書城建築採用至少與現行國家標準的規定等效的方法來實現建築物的消防安全目標,能夠解決現行標準與實際需要不相或某些不完善的規定所帶來的問題。
  10. The amplifier request band width, to adapt radiation pulse randomness and its extremely quick front

    放大器要求頻帶寬,以脈沖的隨機和其極快的前沿。
  11. On the basis of this analysis the radiation and diffraction forces of the ship are calculated using these three methods and compared. at the same time vertical ship motions in regular wave are solved by these three methods. the results are compared to test each method ' s availability and suitability, thus the theoretical basis of optimize design of sea - keeping performance is provided

    分別介紹了二維切片法、高速細長體理論和三維理論的基本原理,分析了三種不同方法各自的,在此基礎上分別計算了船舶的力和繞力,比較了這三種方法的計算結果,為不同營運目的的船舶耐波計算提供陜速有效而實用的計算方法;同時用三種方法計算了船舶在規則波中的垂向穩態運動響,比較三種方法的計算結果,測試各種方法的有效,為船舶耐波的優化設計提供原始的理論基礎; 2
  12. The results show : ( 1 ) the light compensation point and light saturation point of s1 s2 and s3 were in range of 12 ~ 27 mol / m2 s and 180 ~ 360 mol / m2 s, respectively, and they changed with the irradiance. ( 2 ) both light compensation point and light saturation point of s1 were higher than those of s2 and 83, and s1 showed greater capability against high irradiance than s2 and s3. ( 3 ) the optimal temperature of the three strains were 25, 35 and 30, respectively, and they had temporal effect. ( 4 ) respiratory rate rose as the temperature rising, and at about 40, it reached the peak

    結果表明: ( 1 ) s _ 1 、 s _ 2 、 s _ 3的光補償點和光飽和點的變化范圍分別為12 27 mol m ~ 2 ? s和144 360 mol m ~ 2 ? s ,二者可隨光照環境的變化而變化,其中s _ 1的光補償點和光飽和點均高於s _ 2和s _ 3 ,且表現出強于其餘兩個藻種的抵禦強光的能力; ( 2 )三個藻種的最溫度分別為25 , 35 ,和30 ,具有時間效; ( 3 )呼吸速率隨溫度的升高而升高,最大值出現在40附近;溫度低於25 , s _ 1的光合速率最高,呼吸速率最低,表現出很強的低溫; ( 4 )螺旋藻的光合特可隨光照環境的變化而變化,光強增強,可使螺旋藻的最光照范圍增大,抵禦強的能力增強; ( 5 )螺旋藻受到溫度脅迫時,其最光照范圍變窄,對光強的敏感增加。
  13. Results in the situation of the experiment, stimulation effect have n ' t been found in immunoglobulin and albumin ; stimulation effect of low dose radiation to sod was survey in the dose of 12. 5 cgy ; we also found that there is several dose point from 7. 5 to 30 cgy have stimulation effect to il - 6, meantime and radiation of 7. 5 cgy have adaptive response to il - 6 ; il - 6 increased drastically in the group of 300 cgy of radiation

    結果實驗設定條件下,對白蛋白、球蛋白尚未看到低劑量的刺激作用。低劑量對sod的刺激作用發生在12 . 5cgy 。發現在7 . 5到30cgy間,低劑量對il ? 6的刺激作用,存在多個劑量點; 7 . 5cgy能誘導il - 6的,受照劑量300cgy時, il ? 6明顯升高,且幅度很大。
  14. Conclusion low dose radiation have stimulation effect to il - 6 and sod and radiation of 7. 5 cgy can result in the adaptive response of il - 6, whereas this phenomenon has not been survey in immunoglobulin and albumin. the fact that different dose have stimulation effect to il - 6 indicated that the range of stimulation dose to il - 6 is wide

    結論低劑量對sod 、 il ? 6有刺激作用,且7 . 5cgy的低劑量照能誘導il - 6的。白蛋白、球蛋白則無類似響。 7 . 5到30cgy間存在多個誘導刺激作用的劑量點,提示導致il - 6刺激作用的劑量范圍可能較寬。
  15. All kinds of radar radiating source can be recognized quickly and accurately by this method not only based on the quickness of statistical analyzing radiating source recognition system but also the adaptability and accuracy of its expert system

    該方法可以快速高效的識別各類源,既有基於統計分析的源識別系統的快速,又有基於專家系統的源識別系統的自和準確
  16. The heat supply s stem of terrestrial surface radiation of low temperature hot water has been more and more widely used in architectural heat supply because of its comfort, cleanness, health care, limited size, heat stability and efficient energy - saving character

    摘要低溫熱水地面供暖系統由於其舒、衛生、保健、不佔面積、熱穩定好、高效節能等優點已越來越多地在建築供暖中得到推廣用。
  17. A new kind of numerical method, the statistical distributed source boundary point method ( sdsbpm ), used to calculate the acoustic radiation problem caused by the random vibrating body is presented ; a test for the effectiveness of the sdsbpm is carried out on the aspects of its calculation precision, adaptation to the geometric shape of vibrating body as well as its ability to overcome the non - uniqueness problem through various examples with different boundary shapes and different boundary value distributions

    第四章提出了一種新型的隨機振動聲計算方法?統計分佈源邊界點方法;通過諸多不同邊界曲面和不同邊界量分佈的隨機振動聲算例,從計算精度、對振動體表面幾何形狀的以及克服解的非唯一等方面,對統計分佈源邊界點方法的有效進行了考證。
  18. The formulation for the error analysis of acoustic radiation problem calculated by the boundary point method ( bpm ) is put forward ; the physical explanation of the boundary point analysis of the acoustic radiation problem is given ; the influence of the particular solution on the calculation stability of the bpm is studied ; the etthanced volume source boundary point method ( evsbpm ) is presented ; a test for the effectiveness of the evsbpm is carried out on the aspects of its calculation precision, calculation speed, calculation stability, adaptation to the geometric shape of vibrating body as well as its ability to overcome the non - uniqueness problem through various examples with different boundary shapes and different boundary value distributions

    第三章導出了邊界點方法分析振動聲問題的誤差估計理論公式,揭示了邊界點方法分析振動聲問題的物理本質;研究了特解場的局部特對邊界點方法的數值穩定的影響;改進了現有的特解場構造方法,提出了改進體積源邊界點方法;通過諸多不同邊界曲面和不同邊界量分佈的聲算例,從計算精度、計算速度、計算穩定、對振動體表面幾何形狀的以及克服解的非唯一等方面,對改進體積源邊界點方法的有效進行了考證。
  19. Radioactive sources are studied in the thesis. such physical and chemical phenomena as radionuclides " generation, release and transference are discussed. in order to adapt them to real time simulation, radionuclides are dealt with briefly

    本文分析源項,討論了涉及放核素產生、釋放、傳遞等物理化學過程,並對放核素進行了簡化處理,以使其實時模擬的需要。
  20. In the thesis, i choose the horizontal and symbiotic industrial cluster basing on the natural resources as the objects to study, and make full use of knowledges from many subjects, including : economy, management, complex science, math, computing simulation, etc. through the idea of " down to up ", i make every individuality ( company ) inside the industrial clusters as a cell ; and choose techological support, labor supply, natural resourses reserve, maket overlay, intermediary service, public foundation, govenment policies as the outside influencing features ; and choose total assets, total production value, output ratio of capital as the indexes of system characters. then, i establish a computing simulation model on the optimal scale of industrial clusters basing on cellular automata model by matlab software, and simulate the shifts of characters of sigle cell according to the changing environments

    本文主要以基於自然資源稟賦的水平共生型產業集群為研究對象,綜合用現代經濟學、管理學、復雜科學、數學和計算機模擬方法等多學科的知識,吸納「自下而上」的思想,選取技術支撐、勞動力供給、自然資源、市場、中介服務、公共基礎、政府政策七個變量作為集群成長的外部影響因素以及總資產、總產值和資金產出率作為集群的系統特徵指標,以產業集群(系統)內部的個體企業為單位元胞,參照自、自組織的自然演化機制模擬單位元胞自身特質受到周邊環境的變化而改變,採用元胞自動機模型和matlab軟體,建立一個基於元胞自動機模型的產業集群規模演化的計算機模擬模型。
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