In agricultural system,peasantry and agricultural expert have to present attribute value of thing in fuzzy number or fuz......

对以壳聚糖及壳低聚糖为有效成分的天然农药,分别进行室内杀虫和抑菌活性实验.结果表明,壳聚糖对鳞翅目和同翅目害虫均存在一定的......