The sulfur further modifies an existing rubber cross-linked network and rubber molecular chains to form gradient distribution of sulfur on a rubber powder-rubber powder interface.
硫磺对已经存在的橡胶交联网络进一步进行改性，同时对橡胶分子链也进行改性，在胶粉与胶粉界面上形成硫磺梯度分布。
Coal is a kind of mixture which is mainly constituted by cross-linked network macromolecule.
煤是一种主要由有机网状大分子组成的混合物。
Coal is a kind of mixture which is mainly constituted by cross-linked network macromolecule.
煤是一种主要由有机网状大分子组成的混合物。
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