Researchers have developed a paper filter, which can remove virus particles with the efficiency matching that of the best industrial virus filters. The paper filter consists of 100 percent high purity ...

A comfortable and close-fitting paper diaper comprises a hydrophilic surface layer and a waterproof bottom layer (1). A water-absorbing cotton core layer (2) is provided between the hydrophilic ...

As shoppers scavenge to find toilet paper and other quarantine essentials, some crafters who are making protective masks said they struggle to find another necessary item: elastic. With protection ...

Abstract: In this paper, the influence of the stiffness and damping of real elastic shafts on the behavior of a multidrive system driving a tissue paper machine is investigated. The drive system ...