So we should on the basis of prediction and index, considering the fertilization, trying to conserve the trees and doing some chemicalcure, implement integrative management.
结合水肥管理，加强树木的养护与化学防治相结合，以测报和防治指标为依据是杨树烂皮病综合治理重要手段。
2
For thermosets, it is not enough for us to have only chemical criterion and we must upbuild the cure index.
对于热固性树脂，单单有化学标准是不够的，必需建立它们的固化指标。
3
The physical process of adhesion is discussed with adsorption theory and acid-base coordination theory, and the chemical process of adhesion is discussed with the mechanism of cure and cross-linkage.