So it was necessary to avoid the interference of thermal energy when test azo compound's photochromism. 因此，在测试偶氮化合物光致变色性质时要避免热的干扰作用。
The hyphal walls of most species of fungi differ from those of plants in being composed of microfibrils of a nitrogenous compound called chitin or a form of fungal cellulose. 很多真菌的菌丝壁与其他植物不同，是由被称做几丁质或菌质纤维素含氮化合物构成的微纤维所组成。
