So we should on the basis of prediction and index, considering the fertilization, trying to conserve the trees and doing some chemical cure, 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。
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。
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.
用吸附理论和酸碱配位理论解释了物理过程;用固化、交联解释了化学过程。
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