growth kinetics 中文意思是什麼

growth kinetics 解釋
生長動力學
  • growth : n. 1. 生長,成長,發育,發展。2. 栽培,培養。3. 生長物,產物;【醫學】瘤,贅生物。4. 【經濟學】(資本價值與收益的)預期增長。
  • kinetics : n. pl. 〈用作單數〉動力學。
  1. In this paper, the course of isothermal crystallization kinetics of polymer in limited volume unit is simulated by use of the method of monte carlo. four factors influenting on the course of polymer in the limited volume unite isothermal crystallization are analyzed under the given conditions. the four factors are sample volume shrinkage, the change of the linear growth rate of entities g, the change of sample thickness and the change of the number of nuclei

    本文採用montecarlo方法研究了高聚物在有限體積元中的等溫結晶動力學過程,分析了在一定條件下,樣品體積收縮、晶體線生長速率變化、樣品厚度變化和晶核數目變化這四種因素對高聚物在有限體積元中的等溫結晶過程的影響。
  2. Effects of ag - carrying zirconium phosphate on the kinetics of growth of the roots of culture artemisia annua

    濾紙對青蒿叢生芽誘導及遺傳轉化的影響
  3. A reliability experiment of thermal aging was carried out for the two types of joints, scanning electron microscopy, energy dispersive x - ray spectrometer and micro x - ray diffractomer were adopted to investigate the interfacial evolution behavior of joints, and kinetics model of imc formation was established. the results show that imc growth follows the parabolic law as a function of aging time at certain aging temperature, imc growth is more sensitive to the aging temperature than the aging time, the activation energy of cu - al imc growth is 97. 1kj / mol and the major forming cu - al imc are cual2 and cu9al4, the activation energy of au - al imc growth is 40. 1kj / mol and the main au - al imc are au4al and au5al2, with au2al and aual at the interfacial periphery of joints, the rate of cu - al imc growth is about 1000 times slower than that of au - al imc, and kirkendall voids and cracks are easily appeared during thermal aging in gold ball bonds while voids and cracks are absent in copper ball bonds even after aging at 200 for 2900 hours and 250 for 169 hours

    研究結果表明:金屬間化合物厚度與老化時間的關系符合拋物線法則,金屬間化合物的生長對老化溫度比老化時間更加敏感; cu - al金屬間化合物生長的激活能為97 . 1kj / mol ,老化后金屬間化合物呈層狀分佈,主要相為cual2和cu9al4 ; au - al金屬間化合物生長的激活能為40 . 1kj / mol ,主要相為au4al和au5al2 ,同時在界面周邊區域生成了au2al和aual ;老化過程中cu - al金屬間化合物生長速率比au - al金屬間化合物生長速率小103數量級;金絲球鍵合點200老化96小時出現了明顯的kirkendall空洞和裂紋,但銅絲球鍵合點200老化2900小時和250老化169小時都沒有形成空洞和裂紋。
  4. In chapter l, the concepts of ceramic microstructure, the basic theory of grain growth kinetics, monte caro simulation model and other computer simulation models are indoduced

    第一章緒論:簡要介紹陶瓷顯微結構的概念以及晶粒生長動力學的基礎理論;概述晶粒生長的montecarlo的基礎模擬模型以及其它的計算機模擬模型。
  5. 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

    研究了金屬茂催化的低分子量支化聚乙烯和線性聚乙烯的結晶及熔融行為,發現支化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速率從而影響結晶過程,使得低分子量的支化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,低分子量的支化聚乙烯的結晶生長方式的轉變溫度比同等分子量的線性聚乙烯降低了約20
  6. Based on the a - amylase - catalyzed hydrolysis of starch, pqci method has been developed to monitor the growth process of bacillus subtilis and the variation of the a - amylase activity during the growth. bacteria growth equations were derived based on the kinetics of the enzyme - catalyzed hydrolysis of starch

    將pqci技術應用於對枯草桿菌生長的研究,並且基於-澱粉酶對水溶性澱粉的酶促反應,推導出了枯草桿菌的pqci生長模型,包括諧振頻率、動態電阻和動態電感模型。
  7. The influence of temperature on activated sludge growth kinetics in imbr

    工藝活性污泥增殖動力學參數研究
  8. With the thermodynamic theories and techniques, it is relatively easy to determine the phase equilibrium data with enough accuracy, however there still exist much more difficulties in crystallization kinetics study even for a simple binary system. that is the reason that nucleation and crystal growth rate are generally represented in form of the empirical expressions. the crystallization kinetic is important for crystallizer design, process control and optimization, and it is strongly depended upon the accurate characterization of process information concerning with multiphase flows and the further disclose of its mechanisms with suitable mathematical models

    熱力學理論和方法已足以獲得準確的相平衡關系;然而即使對于簡單的二元物系的結晶過程,晶核形成和晶體生長動力學的研究仍面臨許多困難,通常採用經驗模型表述,而動力學參數的準確性和可靠性是結晶器放大設計、過程式控制制與優化的關鍵,因此多相流信息的準確表徵、結晶機理的進一步揭示及建立起與之相適應的數學模型有著十分重要的學術研究和實際應用價值。
  9. The content of fixed ammonium, capacity of fixing - ammonium, available fixed ammonium, kinetics of ammonium fixation and release of fixed ammonium of chief upland cultivated soils in hunan province were studied by using the method of field investigation and sampling, laboratory incubation and analyses. the seasonal change of fixed ammonium content in soil and _ its bioavailability in different growth stage of huanghuacai by use of field plot experiment

    本文通過野外調查取樣、室內培養試驗和分析測定,研究了湖南省主要旱耕地土壤的固定態銨含量、固銨容量、有效性固定態銨含量以及土壤對銨離子的礦物固定和土壤固定態銨釋放的動力學特性,通過田間小區試驗,研究了不同施肥結構下土壤固定態銨在黃花菜生長期間的動態變化規律及其生物有效性。
  10. In addition, the growth mechanism on porous silicon has been discussed in view of growth kinetics

    從晶體生長動力學角度分析了多孔硅上外延硅的生長機理。
  11. In this paper, we introduce the function of the confocal laser scanning microscopy in the studies of protein crystal growth kinetics, such as measuring the numbers of crystal, reconstruction 3 - d image to acquire the information of crystal growth process

    本文介紹了其在定量測量晶體的個數,重組三維圖像以獲得晶體生長的過程信息及測定晶體生長臺階動態變化等方面的應用。
  12. And considerable work has been done hi the growth behaviour in the tetrachloride solution concluding studies of crystal growth and growth kinetics. a crystal of dimensions 20mm x 20mm x 1mm was produced hi the tetrachloride solution by lowing temperature. and bcf spiral growth mechanism for the surface diffusion model was analyzed using the kinetic data

    本文以苯為溶劑溶液降溫法培養出了60mm 40mm 3mm大尺寸hhm單晶;另外探討了hhm在四氯化碳溶液中的生長行為,溶液降溫法培養出了20mm 20mm 1mm的較大尺寸單晶,並用動態循環體視顯微鏡觀察法測定了其在不同的過飽和下主要顯露晶面的法向生長速率,在較大過飽和度范圍內考察了其bcf表面擴散螺位錯生長機制。
  13. Both the qualitative pictures and the quamitative data, such as grain growth kinetics exponent ( aboul 1. 8 in the early stage and 5. 5 in the late stage of grain growth ) and the values of fractal dimension ( about 2. 6 in the early stage and 2. 2 in the late stage of grain growth ), show that the simulation work is in good agreement with experimental results reported

    不論是從定性的模擬圖形分析還是從定量的晶粒生長動力學指數k (生長初期約為1 . 8 ,生長後期約為5 . 5 )或是晶界的分維值d (生長初期約為2 . 6 ,生長後期約為2 . 2 ) ,都說明我們的模擬工作與其它報導的實驗結果互相一致。
  14. Development system in some streptomyces spp. is characterized by an unique multiphasic growth kinetics in liquid medium. after spore germination, first logarithmic growth is followed by a transient cessation of cell growth, which potentially serves as a key developmental switch in regulatory system, leading to initiation of second logarithmic growth

    某些鏈黴菌在液體培養基中表現獨特的多相生長動力學特徵:第一次對數生長之後,細胞生長過渡性地停止,這個過渡期可能起著一個重要的發育調控開關作用,啟動細胞第二次對數生長。
  15. Progress on growth kinetics of thiobacillus ferrooxidans

    氧化亞鐵硫桿菌生長動力學的研究進展
  16. Studies of the growth kinetics and induction strategy with a strain of recombinant yeast pichia pastoris expressing the human insulin gene

    表達胰島素的畢赤酵母生長動力學及誘導策略
  17. Moreover, the microstufore of ceramics is not static but dynamic, therefore, it ' s necessary to study the grain growth kinetics which has close relation with the evollltion of ceramic microsmicthe

    而且陶瓷的微觀結構並不是靜止的,而是處于非平衡的動態之中,因此有必要研究與陶瓷微觀結構演化密切相關的晶粒生長動力學問題。
  18. The confocal laser scanning microscopy ( clsm ) can be a powerful tool for in situ observation and analysis of protein crystal growth kinetics, because of its high - resolution, noninvasive scanning for crystal and 3 - d reconstruction

    摘要激光掃描共聚焦顯微鏡與普通光學顯微鏡相比,其解析度高,同時具有可對樣品進行非侵入性無損傷斷層掃描,以及對樣品形貌進行三維成建等特點,因此,可作為研究晶體生長強有利的工具。
  19. The results indicate that the kinetic expression for the formation of uo2 + x in 25 - 150 was initially nonlinear, but switched to linear at long reaction times, that is, there exist two stages in the uo2 growth kinetics : nonlinear portion and linear portion

    室溫150下的氧化動力學曲線表明:金屬鈾表層氧化形成uo _ ( 2 + x )的過程中存在一個轉折點,轉折點前後形成兩個反應階段:非線性增長階段和線性增長階段。
  20. Some factors influencing the grain growth were studied in detail using mc technique. the mc simulation of grain growth can provide not only grain growth kinetics but also detailed information on temporal grain morphology evolution. furthermore, mc technique can easily simulate the " thermal pin " phenomenal caused by steep temperature gradient near the weld interface

    採用mc模擬技術,不僅能夠模擬焊接haz奧氏體晶粒長大的動力學過程,而且能夠逼真地模擬奧氏體晶粒微觀形貌的變化,更重要的是它可以很好地模擬焊接haz存在的陡峭的溫度梯度對奧氏體晶粒長大的影響。
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