The New Film Oral Vaccine Does Not Require Frozen Transportation
In the current period of COVID-19 virus flooding, a study can make vaccines into a film that can be quickly dissolved without freezing and transporting.…
In the current period of COVID-19 virus flooding, a study can make vaccines into a film that can be quickly dissolved without freezing and transporting.…
It is possible to use the homopolymer AMPS or copolymer with other monomers, such as acrylamide or acrylic acid, as a sludge-dehydrating agent and as a scale remover. Purity: >=98% Packaging: 25kg/bagShort Name: AMPSNo. : 15214-89-8 About AMPS 2-A...…
Yellowish-white powder. ZnS exists in two crystalline forms, α (wurtzite) and β (sphalerite). Stable if kept dry. α: d 3.98. β: d 4.102, changes to α form at 1020C. Sublimes at 1180C. Soluble in acids; insoluble in water. Pigment for paints, oilcloth...…
There are two types of BN materials in boron nitride (BN) ceramics: hexagonal and cubic structures. The hexagonal boron nitride crystal structure has a similar graphite layered structure, presenting a loose, lubricating, easily hygroscopic, lightweig...…