趨光性 的英文怎麼說

中文拼音 [guāngxìng]
趨光性 英文
[生物學] phototaxis; phobophototaxis
  • : 動詞1. (快走) hasten; hurry along 2. (向某個方向發展; 趨向) tend towards; tend to become
  • : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  1. On the basis of foreign documents, the dissertation firstly describes the morphology, taxonomy, and biological characters of cochineal insects. then, by using artificial climate cases in the lab, according to orthogonal design, 8 lands of combinations of temperature, humidity and light is set, while the temperature has four levels : 15, 20, 25 and 30, and the relative humidity has two levels : 60 % and 80 %, while the light also has two levels : 980 lux and 60 lux. through observations and analysis of hatching percentage, survival percentage of the first instar and during from the second instar to the adult, the population tendency index, generation life cycle, size and eggs of female adult, the development of the cochineal under different conditions is studied

    在收集、整理國外對胭脂蟲的研究資料基礎上,首先從胭脂蟲的形態學、分類學、生物學特入手,進而在實驗室內利用人工氣候箱,應用正交設計方法,設計了4種溫度、 2種濕度、 2種照梯度的不同組合,通過測定胭脂蟲的孵化率、 1齡若蟲的存活率、 2齡若蟲至成蟲期存活率、種群勢指數、世代歷期、雌成蟲的大小、懷卵量等生物學指標,深入研究胭脂蟲在這些組合下的生長發育狀況,應用數理統計方法,分析出溫度、濕度和照對各項生物學指標的影響,找出胭脂蟲適宜的室內培育條件,並為野外胭脂蟲的培育提供一定的理論依據。
  2. Our experiments showed that the methed has many advantages, such as high extraction efficiency, simply process, less pollution, and the cost is smoll etc. but extraction quotiety of the dark brown pigment differ from walnut epicarp of the three made of dryness

    色素溶液的吸度隨波長增加而減小的勢相同,色素的水溶,耐氧化一還原,耐,鹽、蔗糖、金屬離子對色素的色澤的影響基本相似。
  3. Along with the recent continuous exposal of big financial faking problems of some listed companies and share price manipulating cases, and with the graveness of excess stock market speculation and bubble phenomenon from day to day, the discussion on the problems of validity of china security markets for the last few years only exits in some small range research literature of related science publications which has become " great arguments on share markets " laid in the highest authority of chinese economists at the beginning of this century

    隨著近年來上市公司重大財務虛假與股價操縱案的不斷曝及市場過度投機和泡沫現象的日嚴重,關于中國證券市場有效問題的討論,終于從過去幾年中散見于有關學術刊物的一些小范圍研究文獻,演變成世紀之初在中國經濟學界最權威層面上的一場「股市大辯論」 。
  4. It is found that with fixed laser power and increasing exposal time, the increasing of the depth of exposal grows slower, the exponential increasement can be express by the equation :, the depth of exposal becomes satured with increasing exposal time ; with fixed exposal time and increasing laser power, the depth of exposal increases linearly and can be express by the equation : y = 40

    結果表明,當固定曝功率,不斷增加曝時間時,曝深度的增加于緩慢,程指數曲線形式變化,可表示為,當曝時間不斷增加時,曝深度的增加近於飽和;當固定曝時間,不斷增加曝功率時,曝深度程線勢增加,可表示為y = 40 . 5x0 . 151y = 0
  5. Heliotropism a form of phototropism in which flowers move to point toward the sun, tracking it as it moves across the sky

    向日趨光性的一種類型,植物的花在一天內朝向太陽,並隨著日照射的方向而轉移方位。
  6. Advances in research on phototaxis of insects and the mechanism

    昆蟲趨光性及其機理的研究進展
  7. On the other hand, the drawing part of the program applies the technology of illumination and texture mapping, taking into account some nature phenomena such as random natural factor and phototropism. the plant, generated by the program, thus is three - dimensional, vivid, and accord with natural law

    另一方面,運用照、紋理映射等技術,結合植物生長過程中的隨機因素和趨光性等自然現象,實現了植物生長過程的計算機模擬,生成的植物具有三維立體效果,形態逼真,符合自然生長規律。
  8. The trend of the ec50 and the lc50 to four kinds of organism is similar to each other. daphnia magua straus is the most sensitive orgnism among the four orgnism according to the toxicity data, and photobacteriumphosphoreum is in the next place

    酚類化合物對4種受試生物的ec _ ( 50 )值和lc _ ( 50 )值的勢一致,其小,大型蚤對受試物的毒反應最為敏感,其次是發菌。
  9. In the first chapter of the dissertation, we review the development history and the trend of xerography technology, present a series of organic semiconductive materials and their device structures, and bring forward three ways to prepare single - layered photoconductor with high performance by dimixing, preparing nanomaterials, and synthesizing new organic electron transport materials

    論文第一章首先評述了電子照相技術的發展歷史和發展勢,同時介紹了有機電導材料的種類和電導體的結構,提出可通過復合、納米化和研製新型的電子傳輸材料三種手段來制備高能有機單層電導體。
  10. Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100

    論文在全面闡述了學三維輪廓位相測量術的發展、應用現狀、研究熱點及未來發展勢的基礎上,簡要介紹了傅立葉變換和相移位相輪廓測量術的基本原理,對兩種測量方法存在的問題及誤差進行詳細分析和比較;針對位相解包裹錯誤點的傳播問題,作者通過改變解包裹路徑來提高位相解包裹的正確;分析討論從解包裹位相( x , y )到再現物體的高度h ( x , y )物理量之間的關系,研究相應的演算法,利用matlab平臺,對實際採集的條紋圖像進行處理和輪廓重構,其中改進及創新工作主要表現在以下兩個方面: ( a )針對干涉型結構場干涉條紋出現的漂移抖動對相移的影響,提出了一種用條紋穩定器穩定干涉條紋,用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方法,建立了相應的測量系統,系統的條紋穩定可以達到。
  11. Northern blot hybridization showed that leacbf expression had the same tendency with the enzyme activity. and it showed that the transcription factor acbf maybe have some relation with the enzyme activity of pal

    表明在紫外照射條件下, leacbf編碼的轉錄因子的變化勢與苯丙氨酸解氨酶( pal )活的變化勢有一定的相關
  12. It is found that in the absence of dissipation and average photon number of the reservoir the linear entropies of the atom and the field varies with time periodically, going to zero at the disentanglement times, and the period is the same as that of bell function and the linear entropy of the total system is zero at any time. if the cavity dissipation and the average photon number of the reservoir is taken into account, the linear entropies of the atom and the field present local maxima and minima and the difference between them diminishes with time, tending to asymptotic values

    結果表明,在忽略腔損耗和熱庫的平均子數時,原子和場的線熵有周期的變化,在沒有糾纏的時刻,值為0 ,此時的周期與bell函數相同,而系統的線熵在任何時刻都為0 ;如果考慮到腔場的損耗和熱庫的平均子數,原子和場的線熵有局部的最大值和最小值,它們之間的差距隨時間逐漸減小,向一個漸進值。
  13. With the dissipation approximation, the results show that if the dissipation constant is considerably small, the influence of the environment on the coherence of the field can be ignored ; the larger the field ' s intensity is, the weaker the entanglement between the field and the atom, and the larger the degree of the mixture for the field ; the more the atomic distribution angle tends to tr / 2, the larger the mixture degree of the field is, while the stronger the entanglement between the field and the atom

    在耗散近似下,結果顯示:如果耗散系數k足夠小,則腔對場相干的影響可以忽略;場強越大,場與原子之間的糾纏越弱,場可達到的最大混合度越大;原子分佈角越向/ 2 ,場的混合度越大,而場與原子之間的糾纏越強。 nnewdy力amicspr明州娜毓協月
  14. Finally, in the third section, by constructing some functional which similar to the conservation law of evolution equation and the technical estimates, we prove that in the inviscid limit the solution of generalized derivative ginzburg - landau equation ( ggl equation ) converges to the solution of derivative nonlinear schrodinger equation correspondently in one - dimension ; the existence of global smooth solution for a class of generalized derivative ginzburg - landau equation are proved in two - dimension, in some special case, we prove that the solution of ggl equation converges to the weak solution of derivative nonlinear schrodinger equation ; in general case, by using some integral identities of solution for generalized ginzburg - landau equations with inhomogeneous boundary condition and the estimates for the l ~ ( 2 ) norm on boundary of normal derivative and h ~ ( 1 ) ' norm of solution, we prove the existence of global weak solution of the inhomogeneous boundary value problem for generalized ginzburg - landau equations

    第三部分:在一維情形,我們考慮了一類帶導數項的ginzburg ? landau方程,通過構造一些類似於發展方程守恆律的泛函及巧妙的積分估計,證明了當粘系數于零時, ginzburg ? landau方程的解逼近相應的帶導數項的schr ( ? ) dinger方程的解,並給出了最優收斂速度估計;在二維情形,我們證明了一類帶導數項的廣義ginzburg ? landau方程整體滑解的存在,以及在某種特殊情形下, gl方程的解近於相應的帶導數項的schr ( ? ) dinger方程的弱解;在一般情形下,我們討論了一類ginzburg ? landau方程的非齊次邊值問題,通過幾個積分恆等式,同時估計解的h ~ 1模及法向導數在邊界上的模,證明了整體弱解的存在
  15. The thesis introduces the development of coating glasses and expatiates the developing trends of energy save coating glasses in future : low cost materials, high efficiency making technology, high quality and good function. ce02 - tioz complex films have received abroad attention as their high reflective index, excellent ultraviolet ray ( uv ) absorbing properties, high charge - storage capacity and good electrochemical reversibility

    本論文介紹了綠色鍍膜玻璃的發展,對各類別節能鍍膜玻璃膜系結構、能特點以及鍍膜玻璃的制備方法進行了概括,闡述了未來綠色鍍膜玻璃的發展勢:採用低成本原材料和高效方便的制備工藝,制備具有復合型多功能薄膜具有更強的市場競爭力。
  16. At this stage the larva looks like a small spider and does not need to seek food from outside sources because it survives on its egg yolk

    3 .無節幼蟲naplius此期外觀如小蜘蛛,此期間靠體內之卵黃維持所需營養不覓求食物,具有很強的趨光性
  17. Firstly, the up - to - date state of the high energy chemical laser weapon systems in the world is introduced and the development trend is viewed. the requirement to develop the high performance, high compression - ratio prs is put forward

    首先,介紹了國際上高能化學激武器及其壓力恢復系統的最新研究狀況和發展勢,對高能、大壓縮比prs系統設計提出了要求。
  18. The new development in modern determination of anionic surfactants in environmental water samples is emphasized, including spectrophotometry, chromatography and flow injection analysis method. 1inail, the prospect of its determine methods are related

    重點論述了發展較快的分度法、色譜法和流動注射分析法等,並展望了在測定陰離子表面活劑方法上的發展勢。
  19. In this text, the study was conducted to the diesel engine running - in on test bed by advanced oil analysis, surface analysis and characteristic parameters analysis of diesel engine during running - in. based on the spectrographic analysis, ferrographic analysis, particle counting, and scanning electronic microscope analysis, the extraction of lubricant analysis results have been completed by various methods as limits method, fuzzy synthesis analysis, tendency chart analysis. on the basis of information, issued from above analysis the quality comprehensive assessment model of diesel engine running - in has been established, used to assess the diesel engine running - in quality and engine test - bed running - in quality

    本文以柴油機臺架磨合過程為研究范圍,採用先進的油液分析技術,表面分析技術和柴油機能參數分析技術相結合的方法,在採集柴油機臺架磨合階段磨合潤滑油樣和相關信息,對柴油機臺架磨合潤滑油樣的譜分析、鐵譜分析、顆粒計數分析等技術手段獲得的各種信息進行特徵提取,結合來自於分析鐵譜和掃描電鏡的特徵圖像信息,以及柴油機能參數中的特徵信息,用界限值分析法、模糊綜合分析法和勢圖分析法等多種方法,並融合其他相關的特徵信息,建立柴油機臺架磨合質量綜合評價數學模型,綜合分析柴油機臺架磨合質量,研製開發了柴油機臺架磨合質量綜合評價系統。
  20. In this study, on the base of the present status and future development of semiconductor materials for solar cells, we have carried out the work to compose film structures of si - based materials by theoretical analysis and experimental methods, which have potential application in modules of solar cells. the processing, features of microstructure and optical properties of the designed si - based thin films have been studied in detail by employing methods of xrd, sem, afm, tem, raman, ftir, uv - vis, pl, and ellipsometry spectroscopy ( se )

    本文在全面總結目前太陽電池材料的研究現狀和其未來發展勢的基礎上,系統地從理論和實驗兩方面對應用在太陽電池板上的si基薄膜材料的結構進行了設計,用超高真空磁控濺射儀研究了其制備工藝,用了xrd 、 sem 、 afm 、 tem 、 raman 、 ftir 、 uv - vis 、 pl和橢圓偏儀( se )等分析手段研究了薄膜的相結構、微觀組織特徵和其所具有的能。
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