Scientists at Harvard University have developed a new blood coagulation material that is portable and easy to store, and may help people survive long enough to reach the hospital.…
With oil demand falling, the state of the industry is not optimistic. Lubricants are a must for production, and sales in 2020 will also continue to decline in the coming weeks. Adding friction modifier is the primary way to improve the energ…
Before its pressure treatment, the purity and structural features of the synthesized β-Fe2O3 sample were checked using conventional X-ray powder diffraction (XRD) and 57Fe Mössbauer spectroscopy. The room-temperature 57Fe Mössbauer spectrum of the β-...…
Natural gas prices have fallen further in Europe as a spell of warm weather delays the heating season, providing some respite for a regional economy on the brink of recession. The mild weather is likely to extend into the month, with forecasters Maxa...…
0086-0379-64280201
brad@ihpa.net
skype
whatsapp