【判断题】写景式插花也可以运用写意的表现手法,用概括的、抽象的艺术手法来表现自然,如用粗放的线条模糊地勾勒出景观的大致轮廓,似像非像,以引起人们的联想。
【判断题】写景式插花也可以运用写意的表现手法,用概括的、抽象的艺术手法来表现自然,如用粗放的线条模糊地勾勒出景观的大致轮廓,似像非像,以引起人们的联想。
【判断题】Since larger repeat units, bulkier side groups, chain branches, and polar side groups each tend to inhibit molecular motion, they also tend to increase the glass transition temperature.
【单选题】Which of the following statements are correct descriptions of a glass transition in polymers?/ 以下哪一项是对聚合物的玻璃化转变的正确描述?
A.
A change in the frictional properties of the material 材料的摩擦性能发生了变化
B.
A change from stiff glass-like material to softer rubbery 从硬的玻璃态变为软的橡胶
C.
Is associated with the crystals in the fibre 只发生在天然纤维中
D.
Normally occurs at a higher temperature than melting 与纤维中的结晶区有关
【多选题】The value of glass transition temperature will depend heavily on _________.
B.
Steric hindrance and polarity