Solid Nitrogen

Solid Nitrogen

Transparent dewar flask with liquid nitrogen connected to the vacuum pump. After evacuating of the flask, nitrogen solidifying.

test Introduction to Chemistry

Introduction to ChemistryIntroduction to Chemistry

Self healing hydrogels and its industrial applications

Hydrogels are water-swollen, cross-linked polymeric structures produced by reactions of monomers or by hydrogen bonding. This hydrogels used in various applications .