轉化速率 的英文怎麼說

中文拼音 [zhuǎnhuà]
轉化速率 英文
conversion rate
  • : 轉構詞成分。
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 率名詞(比值) rate; ratio; proportion
  • 轉化 : 1. (轉變) change; transform 2. [化學] inversion; conversion
  • 速率 : speed; rate; tempo
  1. The north border of the basement, extended from west to east along the north latitude 38, this latitude structure zone is part of the zone in the middle of ordos basin along the north latitude 38, this is caused by the rate of earth rotation, according with the condition of global harmonic function

    壓陷北界沿北緯38帶東西向展布,該緯向構造是沿鄂爾多斯盆地中部38帶分佈的緯向構造帶的一部分,是由地球自引起,符合全球協和函數的條件。
  2. 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、等的變趨勢,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
  3. The results show a few grooves appear on the worn surface of the composites which contain 10 phr nano - al2o3 there are a great many grooves on the worn surface of the composites containing 20 phr. in addition the deeper cracks also appear. this shows that excess nano - al2o3 particles ca n ' t improve wear properties of pa6 ' s. the proper content of nano - al2o3 in the matrix can enable the molecular chains of pa6 to produce closed joints which resemble the physical crosslinking

    尼龍6 / a12o :復合材料的加工性能研究表明:隨著納米a12o3的加入,復合材料的熔體流動下降,納米a12o3含量越大,下降越明顯,即隊6 / a12o3納米復合材料的加工性能越差;隨著納米a12o3的加入,復合材料的矩和塑時間都增加,當含量小於巧phr時,隊6復合材料的矩增加幅度不大,當含量超過15phr后,矩急劇升高。
  4. 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型菌毛的檢出為80 ( 36 45 ) , pcr法的檢出為95 . 5 ( 43 45 ) , pcr方法用於1型菌毛的檢測比msha更加敏感、快、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,並到dh5株大腸桿菌載體菌中,篩選獲得陽性克隆菌株。
  5. The effect of cutting speed, cutting thickness, cutting knife and materials on the working power capacity is discussed. finally tractive property of road plane milling machine is also studied. through the comparison of the results of theory calculation and experimental results the equation of working power capacity of milling machine is modified

    本文對冷式瀝青路面銑刨機的動力學工作過程進行了理論分析與試驗研究,並利用金屬材料切削的基本原理,研究了主切削力,並從能量守恆的角度推導了銑刨機銑刨作業阻力和功計算公式,討論了機器切削度、銑刨厚度以及刀具與材料特性對銑刨作業阻力和功的影響規律,最後討論了銑刨機牽引性能,且通過試驗研究驗證了銑刨作業阻力和功公式。
  6. Conversion and selectivity of catalytic reactions as well as the deactivation rate of the catalyst itself is very temperature-sensitive.

    反應的和選擇性以及催劑本身的失活均對溫度十分敏感。
  7. Effect of potassium on photosythetic rate and assimilit transport in sugar beet

    鉀營養對甜菜光合及同產物運的影響
  8. This paper aimed at present status that most researches assembled in chemical products, adopted different determine methods, represented the transformation characteristic of nitrogen among water and soil of the sulphureous urea, confirmed the nutrient release speed, found out the optimum determine method in agricultural production application

    針對目前對緩釋肥料釋放特性的研究集中在工製作領域這一現狀,採用不同的測定方法,闡明含硫尿素中的養分氮在水及土壤中的特點,確定養分的釋放,以求找出適合農業生產應用的方法。
  9. With the increase of substrate salinity, the accumulated sodium and chloride increased. as a result, all tissues had considerablly lower osmotic potentials than that of the solution on which they were grown at 60 day after planting. changes in length, dry weight, water content, ion concentrations, osomotic potential, ion content of hypocotyls during culture indicated that viviparous hypocotyls not only afforded nutrition for seedling growth, but also reserved ions, thus charged the balance of ion concentration and osmotic potential of the seedling

    鹽脅迫下幼苗單株葉面積下降的程度大於光合的降低,葉面積的減小是導致減產的主要原因;木欖幼苗各組分中的離子濃度以及含量隨栽培時間而變;栽培初期剛萌根時,幼苗原胚軸中的離子滲漏到培養液中;此後隨著根系的發育以及芽的生長,幼苗為從培養液中吸收離子,並以吸收na 、 cl離子為主。
  10. 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,對該區土地利用變進行了如下分析:土地利用綜合分析、城市進程分析、耕地分析、土地利用變因素分析及土地的可持續利用分析。結果表明:該區土地利用變主要表現為耕地大量減少,斑塊破碎;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,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;其它用地變較慢。這一用地變的主導因素是城鎮用地擴展快、人口增長迅、外資的大量投入及以房地產為主的第三產業的快發展。
  11. 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;進一步地,給出了逃離概與有效電阻之間的關系:從a出發,在到達b之前到達a的概為有效傳導與通過a的總傳導之比。
  12. The crystallization and melting behavior of mellocene - catalized branched and linear polyethylenes of low molecular weight was studied. it was found that the crystalline lattice of branched polyethylene is larger than that of linear polyethylene because of the existence of branched chains. the melting behavior of branched polyethylene is similar to that of linear polyethylene since the branched chains can not enter the lattice. however, the crystalline behavior of low molecular weight branched polyethylene is the same as that of high molecular weight linear polyethylene, but different with that of low molecular weigh linear polyethylene. kinetics theory analysis evidenced that the transition temperature of growth regime of the branched polyethylene is about 20 lower than that of linear polyethylene with the same molecular weight. it may be attributed to the existence of short branched chains

    研究了金屬茂催的低分子量支聚乙烯和線性聚乙烯的結晶及熔融行為,發現支聚乙烯的結構與線性聚乙烯相同為正交結構,但晶格略有膨脹.支鏈的存在對熔融行為影響不大,兩種聚乙烯的熔點均隨結晶溫度的升高而非線性增加,表現出低分子量樣品的共同特徵.但支鏈的存在對結晶行為卻有很大的影響,主要是由於支鏈的存在降低了晶體的結晶從而影響結晶過程,使得低分子量的支聚乙烯的結晶行為與高分子量線性聚乙烯的結晶行為相似而與低分子量的線性聚乙烯不同.動力學分析表明,低分子量的支聚乙烯的結晶生長方式的變溫度比同等分子量的線性聚乙烯降低了約20
  13. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功和斜效的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一定泵浦耦合方式下,振蕩光模尺寸、最佳輸出耦合、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦合小功ld泵浦nd : yag激光器和透鏡組耦合高功ld泵浦nd : yag激光器,對激光器的輸出功和功穩定性等特性進行了實驗研究;再次,在帶尾纖輸出的高功ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運;最後,根據泵浦光焦斑端面位置對激光輸出功的影響規律,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功的自然指數與泵浦光焦斑的縱向位置成高斯變規律,測量范圍和靈敏度依賴于泵浦功,隨著泵浦功的增加,測量范圍擴大,靈敏度提高,當端面泵浦功為7 . 24w (最大輸出功為1 . 926w )時,激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  14. The results show that the optimal temperature for the hypha growth, hypa color turned, and stroma differentiation is 22. 7, 20. 2 and 18. 1, respectively, and the appropriate temperature for the hypha and stroma growth under artificial culture is 15 - 18 and 14 - 17, respectively

    結果表明,蛹蟲草菌絲生長最大時的環境溫度為22 . 7 ,色的最佳溫度為20 . 2 ,子座分的最佳溫度為18 . 1 ;在人工栽培時,適宜的發菌溫度為15 ~ 18 ,子座生長的適宜溫度為14 ~ 17 。
  15. This paper introduce the features of a kind of electric heating atmospheric boiler which is of high efficiency on energy transferring, non - pollution, starting and stopping quickly, wider range of load adjusting, simple body structure, etc. in addition the paper introduce the design idea briefly

    電加熱鍋爐具有能量高、零污染、起停度快、負荷調節范圍大、本體結構簡單等特點,文章具體介紹了一種常壓熱水電鍋爐的設計。
  16. Computer fluid dynamics ( cfd ) is adopted to simulate the flow fields of catalytic converter while researching the working process of emission postprocessor. the velocity field and pressure field of exhaust gas are obtained. methods of structural optimization of catalytic converter for improving gas flow and conversion efficiency are proposed

    本文在汽車排氣后處理裝置工作過程研究方面,運用計算流體動力學軟體,對催裝置氣流場開展了模擬,得出了氣體度場和壓力場的分佈情況,提出了以改善氣體流動和催的催裝置結構優的方案。
  17. Electron transfer 2. 1. some basis mechanics, especially the activation model and the theoretical expression of the electron - transfer rate used in this paper have also been introduced

    介紹了電子移的一些基本機理,著重介紹了本文所用到的有關自交換電子移活模型及計算耦合體系電子的理論框架。
  18. It was found that polymerization rate was increased with the increased dosage of initiator or surfactant ; particle size of miniemulsion was kept relatively stable during polymerization when an initiator of lower solubility was used ; an increase in dosage of dpr reduced polymerization rate, but showed no significant impact on the final monomer conversion

    實驗結果表明:引發劑或乳劑的用量增加可以提高單體的轉化速率;引發劑水溶性的降低可以更好地控制聚合過程中的粒徑變;歧松香含量的增加降低了聚合,但對單體的最終影響不大。
  19. According to my jobs and literature search, i inquire and investigate the problems about industrialization of agricultural sci - tech products. after comprehensive analysis and evaluation of the current situation, the main problems of industrialization of agricultural sci - tech products are low rate of industrialization, single investor, short of invest system of venture decision, low embodied value, slow speed, few benefit, channel block and so on. according to analysis of the problems on supplying - demanding and from objective and subjective angle, the main reason is the lowly industrial degree by the effection of inflexible system

    在市場經濟條件下,我國農業科研機構開展農業科技成果工作存在諸多不適應的問題,本文結合本人工作並通過查閱文獻,利用問卷和訪談的方式開展調研,對調研結果進行推斷分析和綜合評價分析,發現目前我國農業科技成果中存在農業科技成果低,農業科技成果中投資主體單一,缺乏風險決策投資機制,農業科技成果在中價值體現較低,科技成果度緩慢、效益低,農業科技成果渠道不暢等問題,通過對這些存在的問題,從供需雙方以及從主觀與客觀角度進行分析,查找原因,發現其中主要原因為:受現有科研體制影響,機制不夠靈活,科技成果的產業程度較低。
  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性能、高度、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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