Avrami exponent did n ' t change obviously after grafting , which indicated that the crystallization mechanism of pp - g - am was almost as same as pp Pp接枝前后avrami指數n無明顯改變,表明兩者結晶機理基本相同。
On the basis of analyzing the theory of crystallization and dynamics , the characterization of the saturated solution in the crystallizer is got 4在分析結晶機理與動力學的基礎上,總結了攪拌釜內飽和溶液的流場特點。
With the increasing deepening of the study on crystallization mechanism of the magmatic system , the magmatic kinetic theory of volcanic and intrusive rocks has entered the stage of establishing a model 摘要隨著巖漿體系結晶機理研究的不斷深入,火山巖和侵入巖巖漿動力學理論已經進入到模型建立階段。
Isothermal and non - isothermal crystallization experiments conducted for the nanocomposite showed that addition of graphite nanosheets significantly changes the crystallization behaviors of the nylon 6 resin 復合材料體系的等溫及非等溫結晶實驗顯示,石墨納米薄片的加入顯著改變了尼龍6的結晶行為及結晶機理。
The function of c2h1obn in ni - w - b alloy electrodeposition has been studied by means of cyclic voltamxnetry ( cv ) , the deposition mechanism of ni - w and ni - w - b alloy studied by potentiostafic step and their structures before and after heat treatments investigated by xrd and dsc . the effects of bath compositions and deposition conditions on the structure and properties of ni - w - b alloy and ni - w - b - ptfe composite coatings were explored 本文主要以ni - w - b合金為研究對象,運用循環伏安方法研究二甲基胺硼烷在ni - w - b合金電沉積過程中的作用、階躍電位研究ni - w合金和ni - w - b合金電結晶機理、 xrd和dsc方法研究ni - w合金和ni - w - b合金電沉積層的結構以及合金在熱處理過程中的結構變化。
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,通常采用經驗模型表述,而動力學參數的準確性和可靠性是結晶器放大設計、過程控制與優化的關鍵,因此多相流信息的準確表征、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。