Further, fertilizer use should be practiced in Integrated Plant Nutrition System (IPNS).
另外，应在综合植物养分系统中施用肥料。
Abstract :Sequential interpenetrating polymer networks(IPNs) based on hydrogenated nitrile rubber(HNBR) and various polyalkyl methacrylates were synthesized.
采用序列法制备氢化丁腈橡胶（HNBR）/聚甲基丙烯酸酯互穿聚合物网络（IPN）阻尼材料。
The miscibility, correlation between the network formation and phase seperation and the relationship between the morphology and the properties of IPNs are reviewed.
本文以对聚氨酯为基材的互穿聚合物网络的混合程度、网络形成与相分离的相关性及所得IPN形态与性质的关系进行了评述。
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