It is reviewed the present research situation of nanoparticle self-repairing additives, and the existent problems and developing trend of nanoparticle self-repairing additives is raised.
阐述了纳米自修复添加剂的研究现状,并指出了纳米自修复添加剂存在的问题及发展趋势。
So it is very necessary to study the status, problems and developing trend of intangible assets disclosure of listed companies in China, and then make recommendations for improvement.
因此非常有必要研究我国上市公司无形资产信息披露的现状、存在问题及发展趋势,进而提出改善建议。
Finally, optical and electrical properties of VO_2 thin films are introduced. Associated problems and developing trend of laser protection with VO_2 thin films are also described.
最后介绍了VO_2薄膜的光电特性,并探讨了其在激光防护应用方面的相关问题以及发展前景。