This paper analyzes the small cosmopolitan and stability of the industrial coupling symbiotic network of eco-industrial parks of oil and gas resource-based cities. Taking Daqing A Ecological ...

Solid objects generally produce a splash upon entering water. Surprisingly, a small change in the surface chemistry of an object can turn a big splash into an inconspicuous disappearance and vice ...

In NMR experiments, magnetizations that are perpendicular to the static magnetic field B0 will rotate about the B0 field at its typical Larmor frequency. This phenomenon is commonly known as chemical ...