Young Sim

Graphical Abstract Ultra-Low Power Gas Sensors In article number 2207165, Yong-Hoon Cho, Inkyu Park, and co-workers develop a photoactivated gas sensor with fully integrated micro-light-emitting diodes (LEDs) for highly sensitive gas detection at nanowatt-level. The distance between the gas sensing material (In2O3) and the light activation source (micro-LED) is only 1 μm, minimizing wasted light energy.

Abstract : Hydraulic characteristics of rill incipience on steep slopes with sandy soils are different from those of gentle slopes in the mountainous watersheds. In other to better understand the processes of the incision and expansion of rill, rainfall simulations were conducted in a laboratory soil box with an inflow device installed at the top of the steep slope.

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