Aphids have many polarizations only in body color, such as the yellow, the green and the intermediate color etc in cotton Aphids.
仅体色蚜虫就有多种分化,如棉蚜有黄色型、绿色型和中间型之别。
2
A new high energetic bonder intermediate azidodeoxycellulose for solid propellant was synthesized from the raw material cotton linters under homogeneous conditions.