crystallization rate 中文意思是什麼

crystallization rate 解釋
結晶速度
  • crystallization : n. 晶化，結晶（作用，過程）；結晶體；具體化，明朗化。
  • rate : n 1 比率，率；速度，進度；程度；（鐘的快慢）差率。2 價格；行市，行情；估價，評價；費，費用，運費...
  1. The sgr ( spherulite growth rate ) of phbv is related to crystallization temperature. with the increase of temperature, sgr increase first then decrease. some sample ' s sgr will increase again at high temperature area

    Phbv的球晶生長速度與時間無關，隨溫度的升高有先上升後下降的趨勢，部分樣品在最後球晶速度會再次上升。
  2. The results from x - ray diffraction demonstrated that pp / mmtome was a fully intercalated nanocomposite, pp / mmtom and pp / ommt were partly intercalated nanocomposites, but the intercalation effect of pp / mmtom nanocomposite was better ; the crystallization characteristics of pure pp and pp / mmt nanocomposites were investigated by dsc, waxd and pom. the result of these testing showed that mmt nano - layers acted as nucleating agents for the crystallization of pp, the addition of mmt had effect on the crystallization process, leading the increasing of crystallization temperature crystallization rate and crystallinity, but also the dimension of spherulite reduced. but the formation of pp crystal did n ' t change, the formation of pp crystal in three pp / mmt nanocomposites and pure pp were a - form on the whole ; influences of three sorts of mmt on mechanical properties of pp / mmt nanocomposites were studied, as a result, the addition of mmt comprehensively improved mechanical properties of pp : notched impact strength, tensile strength and flexural properties were all increasing, but the extent of increasing were n ' t large

    通過xrd分析比較這三種pp mmt納米復合材料微觀結構得到， pp mmt _ （ ome ）屬于完全插層， pp mmt _ （ om ）與pp ommt的插層程度相近，但是pp mmt _ （ om ）相對較好；通過對純pp和三種pp mmt納米復合材料的結晶性能研究發現，蒙脫土納米片層對pp結晶產生明顯的異相成核作用，結晶能力增強，使pp的結晶溫度和結晶速率提高，結晶度增加，球晶晶粒細化，但是沒有改變pp的結晶形態，三種pp mmt納米復合材料的結晶形態都屬于晶；通過對pp mmt納米復合材料的力學性能測試得知，蒙脫土的加入全面提高了pp的力學性能，缺口沖擊強度、拉伸強度和彎曲性能都有一定程度的提高，浙江{ _業大學碩十學位論文摘要但是提高幅度都不是很大，不過ommt 、 mmtom和mmtc ） me三種蒙脫土對pp力學性能有著不同的改性作用，其中pp / mmtom最好， pp月邊mto崛次之， pp / ommt最低，這種情況主要是由蒙脫土對pp結晶性能的影響和蒙脫土的納米改性作用造成的。
  3. 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。
  4. This has an important meaning to the industrial manufacture. dsc, waxd and polarizing microscope with hot stage experiments were performed to describe what led the ssp rate acceleration of pet / mmt. it was shown that montmorillonite acted as a very good nucleating agent in pet crystallization process, which results in the lower crystallinity, more small microlites, and more surfaces of microlites

    為研究pet mmt固相縮聚效率提高的原因，通過熱臺偏光顯微鏡、 dsc 、 x -射線衍射等手段對樣品的結晶進行觀察與分析研究，結果表明蒙脫土對pet的結晶有明顯的成核作用，使其晶核生成速率迅速提高，晶核數量明顯增多，從而使整個結晶過程的時間變短，同時形成了更多結構不完善的微晶體。
  5. 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。
  6. The results shows that the addition of nucleating agents increased the onset temperature and peak temperature and improved crystallization rate of pp

    結果表明，兩種成核劑的加入均可提高聚丙烯的結晶起始溫度和結晶峰溫度，並加快結晶速度。
  7. Results of the dsc analysis show that the addition of mcm - 41 do increase the rate of crystallization of pet. the crystallinity of pet / mcm - 41 nanocomposite is much higher compared with other fillers

    實驗發現，介孔分子篩mcm對烈5o的填加量與pet共混后可明顯地增加pet的結晶速度。
  8. Similarly, the impact strength is increased about seven times than that of the pure mc nylon6. mcm - 41 is also used as the filler material for pet. the effects of mcm - 41 on the crystallinity and the rate of crystallization are obtained

    首次提出將孔性材料介孔分子篩mcm作為結晶改善劑名于聚對苯m甲酸乙m酯中，研究它對pet的結晶速度和結晶差這兩方面結晶性能的影響。
  9. Volume shrinkage of sample results in the increasing of the value of the crystallization rate vc and the decreasing the values of the avrami exponent n in the primary crystallization and s, defined as the relative crystallinity degree when experiment data deviate theoretical predicting straight line. compared with the avrami equation, the price equation hardly makes progress on describing the behavior of polymer later stage crystallization

    樣品體積收縮，導致avrami指數n值減小；結晶速度v _ c值增加；表示實驗值偏離理論預測直線時的相對結晶度_ s值減小；與avrami方程相比， price方程仍不能較準確地描述高聚物等溫後期結晶行為。
  10. The value of f ( t ) of nancomposites was larger than that of pp, indicating that the crystallization rate of nanocomposite was faster than that of pp. 2

    蒙脫土和pp - g - mah的加入改變了pp的成核和生長機理，起到了異相成核作用。
  11. At the same cooling rate, the crystallization rates of pam 1 / nylon 6 increase with the contents of pam1 ; while the crystallization rates of pam2 / nylon 6 attain maximum with 5 % contents of pam2

    在同一降溫速率時， pam1 /尼龍6復合材料隨著pam1含量的增加， t _ p逐步向高溫方向移動，結晶速率加快；在pam2 /尼龍6復合材料體系中，當含量為5左右時，出現最大結晶速率。
  12. It was found that in the case of non - isothermal crystallization, the onset and maximum crystallization temperatures of the nylon 6 of the nanocomposites are increased, while the crystallinity and crystallization growth rate is reduced

    在非等溫條件下，尼龍6石墨納米薄片復合體系的結晶起始溫度以及最大結晶速率時的溫度均比純尼龍6有明顯的提高，但結晶度以及結晶速率卻出現下降。
  13. The relationships between the energy storage density, cop, the rate of crystallization and the solution concentration difference, the temperature of cooling water are also discussed in the paper

    此外還分析了系統蓄能密度、 cop及結晶率隨溶液濃度差和冷卻水溫度的變化情況。
  14. As crystallization progresses across the temperature gradient, it is possible to move the sample by precise stepper motor control ( at specified rate ) in the opposite direction so that the crystallization front remains in the field of view

    當沿著溫度梯度方向發生結晶過程的時候，可以向相反方向通過高精度步進馬達移動樣品，這樣可以把結晶前沿始終保持在視域中。
  15. The value of f ( t ) of nancomposites was larger than that of hope, indicating that the crystallization rate of nanocomposite was faster than that o

    蒙脫土和pe - g - mah的加入降低了pe的結晶活化能，起到了異相成核作用。
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