论文部分内容阅读
随着我国工农业生产的飞跃发展,塑料薄膜在农业上的应用日益广泛。近年来,在使用过程中曾出现农用塑料薄膜毒死秧苗的问题以及冬天发脆、强度低、耐用期短等问题,这便引起了有关部门和广大群众的密切注意,从而积极的开展调查研究,设法解决这些问题。我校化学系高份子专业的工农兵学员和革命教工,在开门办学过程中,为解
With the rapid development of industrial and agricultural production in our country, the plastic film has been widely used in agriculture. In recent years, the problems of poisoning seedlings of agricultural plastic film and crisp, low strength and short durability in agricultural use have appeared in the course of use, which has aroused the close attention of relevant departments and the broad masses of people so as to actively carry out investigation and study , Trying to solve these problems. In the chemistry department of our university, the workers, peasants and soldiers who are highly specialized in chemistry and the revolutionary teachers and workers,