Hafnium-nitride, a grayish powder, has cubic crystal structures. The melting point is 3310. Microhardness 16GPa. It's fairly stable but easy to corrode by concentrated sulfuric and hydrofluoric acids. Purity: 99% Hafnium Nitride HfN Pulver: Haf…
TRDN-3 molecularsieve is made from high-silicon ziolite with a cross-direct three-dimensional structure. It has excellent adsorption capabilities of SO2, NOx and acidic gases. About TRDN-3 Molecular Sieve Adsorbent For Flue Gas Denitration: TRDN…
More than 300 public aquariums worldwide, and more than 100 have opened since 1990. According to incomplete statistics, aquariums (including those in zoos) attract up to 450 million visitors yearly, with far-reaching economic and educational implicat…
The U.S. CPI rose 1.2% month-on-month as expected in March, the highest since October 2005; this made the indicator up 8.5% year-on-year, higher than the expected 8.4%, and the highest since December 1981 (nearly 40 years).…