05_Field test.mp4 WangLingxue LuoXiuli MaJunhui ChenDongqi CaiYi HuangPan WangCaiping LuoHong XueWei 2019 A video clip to present to ethylene gas imaging field test results of the in-band, out-band, differential, "differential + in-band". The gas leak rate is 30ml/min. The temperature difference between the gas and background is 15K.