Meanwhile, fine crystal discharge device was added in crystallizer to decline quantity of crystal nucleus and to increase crystal growth rate so as to reach the aim of improving crystalline quality.
同时在结晶器中增加细晶排出装置，降低晶核数量，提高晶体生长速率，达到改善结晶质量的目的。
2
The lens nuclear sclerosis is one of cataract manifestations. The nucleus of crystalline lens may become sclerosis and opacities under influences of numerous factors in eyes.
晶状体核硬化是白内障的表现之一，晶状体核在眼内受多种因素的影响发生硬化混浊。
3
Based on the liquid crystalline polymer theory, a kind of polyacrylate was synthesized by choosing biphenyl group as rigid nucleus of mesogenic unit and hexylidene as flexible spacing group.