异氰酸酯可由含氯的环(或非环)状分子氟化而得.The isocyanates can be obtained by the fluorination of nitrogenous cylic or acyclic molecules.含氯量和孔隙度之间的关系图式也许近似于一条双曲线.The relation between the chlorinity and porosity may be approximated by a hype...