1) Cell nucleation and growth
成核及泡孔增长
2) nucleus formation-nucleus growth
核形成-核增长
3) the cell growth
泡孔生长
1.
Based on the establishment of a mathematical model for cell growth,solving equations of polymer/supercritical fluid foam system were solved,the rules and influence factors of the cell growth were also analyzed.
通过建立泡孔生长的数学模型,求解聚合物/超临界流体发泡体系的控制方程,得到泡孔生长的规律及影响因素。
4) cell nucleation
气泡成核
1.
Disadvantages of classical theory of cell nucleation in motion polymer melt were analyzed.
分析了经典成核理论对于动态聚合物熔体中气泡成核的局限性 ;概括了剪切流场中气泡成核的研究进展 ,并对剪切流场中泡核拉伸模型、空穴成核模型进行了详细的分析和讨论 ,指出了其对气泡成核过程解释的不足 ;介绍了最新的气泡成核中的剪切能成核理论 ,该理论较完善地解释了剪切流场中气泡成核过程 ;最后指出了气泡成核研究的发展方向。
2.
So far, the emphasis of study in this field has transformed from cell nucleation and growth theory to many factors affecting the extrusion system,so as to better control the cell density, cell distribution and cell size.
针对微孔塑料挤出的全过程,对影响气泡成核、成长及泡孔密度的诸多因素如预定型压力、熔体温度、粘度、气泡界面张力、定型卷取速度。
3.
The influence of technological condition on cell nucleation was studied in microcellular plastics extrusion processing for supercritical CO2/PS by a finite element method CFD.
通过CFD软件对超临界CO2/PS均相熔体在快速降压口模中流动状态的数值模拟,研究了工艺参数对CO2/PS均相熔体气泡成核的影响。
5) bubble nucleation
气泡成核
1.
Study of Bubble Nucleation Theory under Shearing Flow;
剪切流场中气泡成核理论的研究
2.
The influence of tension effect on the polymer's freedom volume and as a result of it on the bubble nucleation when extrusion and foaming molding with supercritical CO2 fluid as foaming agent are analyzed.
分析采用超临界CO_2流体挤出发泡成型时拉伸作用对聚合物分子自由体积的影响,以及由此引起的对气泡成核的影响。
3.
In the foam process of cellular plastics, bubble nucleation has decisive effect on cell density and cell distribution, so it is the crucial factor to control the foam quality.
前人对泡沫塑料气泡成核过程的研究基本上都是以经典成核理论为基础进行的。
6) dynamical formation and growth of void
动态孔穴生成和增长
补充资料：泡孔
分子式：
CAS号：
性质：亦即微孔，是组成泡沫塑料单个小孔穴的最小结构单元。小孔穴部分或全部为泡壁包围，它是在生产泡沫塑料时，由于发泡剂分解或机械导入气体、或挥发生的挥发、可溶物质溶出的方法形成的。
CAS号：
性质：亦即微孔，是组成泡沫塑料单个小孔穴的最小结构单元。小孔穴部分或全部为泡壁包围，它是在生产泡沫塑料时，由于发泡剂分解或机械导入气体、或挥发生的挥发、可溶物质溶出的方法形成的。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条