轉化比率 的英文怎麼說

中文拼音 [zhuǎnhuàbǐlǜ]
轉化比率 英文
conversion ratio
  • 轉 : 轉構詞成分。
  • 比 : Ⅰ動詞1 （比較; 較量高下、 長短、距離、好壞等） compare; compete; contrast; match; emulate 2 （比...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 轉化 : 1. （轉變） change; transform 2. [化學] inversion; conversion
  • 比率 : ratio; proportion; rate比率計 ratio meter
  1. In this study, the stem segments of new shoot with axillary buds of well - growth tetraploid black locust trees were used as explants. the effects of different basic mediums, different hormone kinds and their concentrations ratios, different sucrose concentrations on calli induction, buds differentiation and rooting in the process of establishment of high frequency regeneration system of tetraploid black locust were studied. on the base of high frequency regeneration system, the effects of various factors on transformation efficiency of badh mediated by agrobacterium tumefaciens were discussed in the light of gus histochemical assays

    本實驗首先以生長良好的四倍體刺槐優株上當年生新梢的帶腋芽莖段為外植體，研究了在四倍體刺槐高頻再生體系的建立過程中不同基本培養基、不同激素濃度及其配比、不同蔗糖濃度對愈傷組織的誘導、芽的分化及生根的影響；然後在得到高頻再生體系的基礎上，通過農桿菌介導法轉化甜菜堿醛脫氫酶（ badh ）基因，以gus染色組織分析為依據探討了影響轉化效率的各種因素，建立了高效、可重復的基因轉化體系，為四倍體刺槐目的基因的導入打下了基礎。
  2. The theory overall illuminates how the investment company proceeds the stock choice and turns the stock choice into the concrete number by turning six factors given weights that affect the result of the stock choice into the probability of the stock choice by the quantitative method. the important points lie in : 1 considering the external environment, the growth nature, the venture and the corporate v alue ; 2 overcoming the non - comparability of the financial ratios between the corporations of different lines

    此理論從公司的外部環境和公司的內部因素全面地闡述了投資公司如何進行股票選擇，以及通過對成長性、公司所處的風險、宏觀及行業、公司的價值和處于不同行業的企業間財務比率進行量化處理，將影響股票選擇的六大因素賦以權值后轉化成股票選擇的可能程度值，從而將股票選擇用具體的數值來表示。
  3. The near - stoichiometri litao3 has excellent speciality, such as high efficient conversion, tune conveniency, biger size and high damnify value etc. in this dissertation, the theory of quasi - phase - matched ( qpm ) technology and optical parametric oscillation ( opo ) was expatiated and studied first

    近化學計量比litao3 （ slt ）晶體在做參量振蕩方面具有轉換效率高、調諧方便、尺寸大、損傷閾值高等非常好的特性。本文首先對準相位匹配技術和光學參量震蕩器的理論進行了闡述和分析。
  4. Recombination gene was cut - down and introduced into the nuclei of oocytes or the cytoplasm of goldfish at one - cell stage via microinjection. the results as follows : ( 1 ) fluorescence was observed from embryo under suitable uv light after microinjection 36 hours. the fluorescent ratio of gastrula embryo period was up to 25 %

    採用顯微注射法將這種重組基因轉化1細胞期的金魚受精卵，實驗結果如下： （ 1 ）顯微注射后，根據胚胎發育分期，胚胎在顯微注射后36小時開始能在紫外燈下觀察到熒光，原腸期發熒光的胚胎比例為25 ，後期發育熒光率逐漸下降，肌肉效應期后又相對穩定。
  5. The result showed that the homology rate of pila gene among the 5 avian pathogenic e. coli strains tested and one human e. coli were from 89. 8 % to 91. 1 %, and the homology rate of amino acid were from 88. 5 % to 91. 8 %. the homology rate of pila gene sequence among 5 avian pathogenic e. coli strains tested and avian pathogenic e. coli reported ( serotype o1, o2, o78 ) were from 87. 8 % to 90. 2 %, and the homology rate of amino acid were from 84. 6 % to 91. 2 %. there had homology in avian pathogenic e. coli. there had some common antigen side in type 1 pili of avian pathogenic e. coli

    結果表明：運用msha法檢測1型菌毛的檢出率為80 （ 36 45 ） ， pcr法的檢出率為95 . 5 （ 43 45 ） ， pcr方法用於1型菌毛的檢測比msha更加敏感、快速、特異性強；選擇5株優勢血清型雞源致病性大腸桿菌代表株（ o _ （ 89 ） ， o _ （ 119 ） ， o _ （ 141 ） ， o _ （ 127 ） ）的1型菌毛pila基因的pcr擴增片段經純化后，分別定向克隆到puc18質粒的多克隆位點，構建了含有目的基因片段的克隆質粒，並轉化到dh5株大腸桿菌載體菌中，篩選獲得陽性克隆菌株。
  6. Based on the original data of tm in 1988, 1992 and 1998, then after some processing and analysis, the author have the thematic data of land - use by interpretation. on the basis of them, the author made the analysis of land - use for this area based on the spacial analysis of gis and the method of comparison between result of land - use classification as follows : the method of aggregating analysis, the analysis of urbanization, the analysis of the transformation rate of cultivated land, the analysis of the driving force of land - use change and the sustainable use of land. the conclusions may be demonstrated below : the cultivated land decreases with the patchs fragment ; road spreads radialy surround second - ring road ; the urban land expands quickly toward southwest along the major roads and be concentrative. rural land and industry increse rapidly with dispersing ; 0thers change slowly. the major driving forces of land - use change in this area are the rapid expansion of urban and rapid growth of population, foreign investment and the development of tertiary industry which was based upon the real estate. according the trendency of land - use change, the author consider that we must insist on the way of the sustainable use of land based on protecting the cultivated land

    在此基礎上，應用分類結果比較法，在gis各種空間分析功能（幾何量算、統計分析、疊加分析及緩沖區分析）的支持下，對該區土地利用變化進行了如下分析：土地利用綜合分析、城市化進程分析、耕地轉化率分析、土地利用變化因素分析及土地的可持續利用分析。結果表明：該區土地利用變化主要表現為耕地大量減少，斑塊破碎化；交通用地沿二環線呈放射狀向四周擴展；城鎮用地沿交通干線向西南方向擴張迅速，用地趨于集中；農村居民點和工礦業用地增加，用地趨于分散；其它用地變化較慢。這一用地變化的主導因素是城鎮用地擴展快、人口增長迅速、外資的大量投入及以房地產為主的第三產業的快速發展。
  7. 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。
  8. The engineering bacterium which carried bcih i - chi and i - glu cdna was pcg - ii. two methods of agrobacterium - mediated and gene gun were used to transformate long ya lillium. the results of pcr analysis and southern dot blotting hybridization demonstrated that the chi a nd glu cdna have been intergrated into host genome. at the same time ; compared agrabactenum - mediated method with gene gun method, the transformation frequency of the former was 16. 7 %, while the latter was 50 %, so gene gun transformation method was suitable for long ya liiliwn

    用攜帶有幾丁質酶基因和- 1 、 3葡聚糖酶基因的工程菌，通過農桿菌介導法和基因槍轉化法轉化龍牙百合，經pcr和點雜交檢測證明外源基因已經整合到植物染色體中。同時對農桿菌介導法和基因槍法進行比較，發現農桿菌介導法的轉化率為16 . 7 ，基因槍法的轉化率為50 ，因此可能基因槍轉化法更適于龍牙百合的遺傳轉化。
  9. ( 8 ) by studying match between the electronic system and catalytic converter on the base of electronic controlled bypassing air system, conclusions having been gotten as follows : higher conversion efficiency of emission have gotten when a / f fluctuates at definite scope and frequency, by controlling the comparing voltage of 02 sensor, the working scope of catalytic converter can be controlled and the matching that can fulfill the high efficiency of hc, co, nox at same time has been optimized

    （ 8 ）進行基於所開發的電控補氣系統上的催化器與電控系統的匹配研究，當控制系統調節空燃比在一定范圍按照一定頻率進行波動時，可以提高催化轉化器的轉化效率；通過控制氧傳感器的比較電壓，可以控制催化轉化器的工作窗口，實現排放污染物中， hc 、 co 、 nox轉化的最優匹配。
  10. In the new study, they compared the success of fish hatched from two captive - bred parents with those possessing one captive - bred and one wild parent

    在新的研究中，他們轉而比較雙親均為人工養殖與一養殖一野生的配對的孵化成功率。
  11. In the second section, three ( 2 co2 ) scenarios only considering climate change alone ( c scenario ) were generated first, using outputs of the giss, gfdl and ukmo gcms, combined with the baseline. then, climate change scenarios including change in climate variability ( c + v scenario ) were produced, based on 3 hypotheses and the weather generator ( wgen ) in dssat. finally, the ceres - wheat model was run under both the ( c + v ) scenarios and the baseline, and the combined effects of climate change and its variability with doubled co2 on whiter wheat production in the studied region were assessed, based on the results simulated comparison

    在上述第2部分，首先利用baseline和國際上通用的3種大氣環流模型（ gcms ）即giss 、 gfdl和ukmo的有關網格點值，生成了研究區域3種不考慮氣候變率變化的（ 2 co _ 2 ）氣候變化情景（以下簡稱c情景） ；然後，提出了未來氣候變率可能變化的3種假設，並應用dssat （農業技術轉化決策支持系統）中的wgen （隨機天氣發生器） ，分別生成了研究區域（ 2 co _ 2 ）條件下兼顧氣候及其變率的氣候變化情景（以下簡稱c + v情景） ；再后，在上述（ c + v ）情景下分別運行ceres - wheat （作物-環境資源綜合系統-小麥） ，還考慮了大氣co _ 2濃度的直接影響，並與baseline條件下ceres - wheat的模擬值進行比較，在此基礎上評價了（ 2 co _ 2 ）條件下氣候及其變率變化對研究區域冬小麥生產的影響。
  12. Moreover, we give a further discussion on the numerical value calculation of temperature distribution. the main problem when we design the high duty - cycle high power laser diode array we face is the large amount of heat during its operation. so we change the proportion of some ingredients and the concentration of the dopage to gain high quality iii - v material

    在激光器陣列的設計過程中，針對大功率激光器嚴重的產熱問題，尤其是高占空比工作時，會有更多的功率轉化為熱的現象，我們改進晶元材料的配比、摻雜，提出適應高占空比工作的器件版圖結構。
  13. Compared to the basins in east guangxi, the basin of north guangxi is characterized by lower depositional and tectonic subsidence rate during rifting, longer thermal subsidence, later inflexion point from rifting to foreland buckling, as well as later inflexion point separating stable stage from active stage during foreland - buckling

    但與桂東大瑤山地區相比，桂北興安地區在裂陷階段的沉積速率和構造沉降速率明顯偏低；熱沉降階段的持續時間偏長；裂陷階段與前陸撓曲階段的分界拐點偏晚；前陸撓曲階段，由構造寧靜期的緩慢沉降向構造活動期的快速沉降轉化的分界拐點也偏晚。
  14. The effects of coal types, temperature and ash content in coal on the char gasification with co2 were examined

    用隨機孔模型模擬北宿煤反應速率與碳轉化率的關系曲線，與未反應芯縮核模型和混合模型模擬結果比較。
  15. Comparing to the traditional production technology, the new methanol synthesis process has many advantages which are as follows, high conversion of synthesis - gas per pass, high methanol concentration at reactor exit, isothermal temperature in slurry bed, easy temperature control, simple heat exchanging, excellent technology economy characters and so on. so it becomes a new technology for methanol production that has great industry application

    與傳統生產工藝相比，三相淤漿床甲醇合成工藝具有單程轉化率高，出口甲醇質量分數高；床層等溫，反應條件優良；溫度易於控制，換熱簡單；生產的技術經濟指標優良等特點，因此成為一種應用前景非常廣闊的新興甲醇生產新技術1 。
  16. And the transformation efficiency of enterococcus faecalis is obviously higher than that of lactobacillus plantarium by pulse electroporation with different voltages, which suggests th at the two strains of lab have different usage in the research of genetic engineering of lab

    利用不同的電壓進行脈沖轉化兩株乳酸菌，發現兩株菌的轉化效率和電壓有對應的正相關，並且糞腸球菌的轉化效率明顯比植物乳桿菌高。
  17. The results showed that : the rate of food consumption and growth, and ecological conversion efficiency tended to decrease with the body weight increase ; with comparison among three diets such as themisto gracilipes, artemia nauplii and fish mud, the result showed that artemia nauplii was very applicable to the ammodytes personatus laboratory experiment ; the experiment of different food size showed that mature artemia nauplii was fitter than larva

    在餌料實驗中，分別投喂細長腳（蟲戎） 、鹵蟲和魚糜三種餌料，實驗的結果表明：僅管投喂細長腳（蟲戎）的生態轉化效率比較高，但從玉筋魚的攝食、生長及與野生的生長相比較來看，鹵蟲還是室內實驗選擇的最佳餌料。
  18. Capitalization rate of profit rent

    租值利潤的資本轉化比率
  19. Studies on transformation of indica rice with bt - toxin gene mediated by agrobacterium tumefaciens precultured immature embryo and callus derived from young panicle, immature embryo and mature embryo were used as acceptor for genetic transformation mediated by agrobacterium tumefaciens, the transformation rate of the above acceptor was investigated respectively. the results showed that immature embryo after precultured for 4 ~ 6d was the best. in respect to the concentration of agrobacterium tumefaciens when calli were cotransformated in medium yeb, to agrobacterium tumefaciens eha 105, od value of 0. 8 was the best

    採用農桿菌介導法將bt毒蛋白基因導入水稻同樣以上述兩種秈稻為主要研究材料，比較了分別以預培養的幼胚和幼穗、幼胚、成熟胚來源的愈傷組織作為轉化受體的愈傷組織轉化頻率，結果表明預培養4 6天的幼胚最適宜作為農桿菌介導轉化的受體；其次是來源於幼胚和成熟胚的生長狀態良好的胚性愈傷組織。
  20. Compared with the internal combustion engine vehicle ( icev ), fcev is not restricted by thermal mechanism and carnot cycle and has a higher energy conversion efficiency and a better working condition. at the same time, the fcev can also keep the same dynamic performance, top speed, long driving distance, driving security and comfort. it is considered as the first choice as a kind of clean and high efficient vehicle

    與傳統內燃機汽車相比， fcev不通過熱機過程，不受卡諾循環的限制，具有能量轉化效率高、環境友好等內燃機汽車不可比擬的優點，同時仍然可以保持傳統內燃機汽車的加速性能、高速度、長距離行駛和安全、舒適等性能，被認為是21世紀首選的潔凈、高效運輸工具。
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