直接染料是现在应用最广的一种染料。本文通过对比染色前后纤维的热稳定性，纤维的物理性能，成纸的相关性质来研究直接染料的作用机理......

The fiber morphology variation of triploid clone of Populus tomentosa Carr. and the supposed harvesting age for the pape......

The fiber morphology and pulping properties of triploid of populus tomentosa from plantation at different ages were inve......