Now, a new study has discovered how exposure to cold dramatically alters the composition of bacteria the gut, and this leads to fat-burning, improved glucose metabolism, and reduced body weight.

The PET fibers are treated by cold plasma technology and the elemental composition and the type of functional groups of the surface of PET was analyzed by ESCA.

The reason of cracking phenomenon occurring of the cold forging steel was analyzed by the composition and microstructure tests.