We demonstrated a highly sensitive evanescent-wave-based water salinity sensor using a rectangular optical microfiber Sagnac interferometer. The microfiber has a rectangular cross-section with widths of 4.0 μm by 2.5 μm and total length of 36 mm. For water salinity from 0‰ to 40‰, a high sensitivity of 1.95 nm/(1‰) was achieved at the wavelength of 1550 nm, indicating a detection limit
[email protected]Linde signed a long-term agreement with ExxonMobil to integrate its existing gasification complex with the Singapore refinery in June 2019. As part of the agreement, Linde will invest £1.1bn ($1.4bn) to expand its gasification complex to produce hydrogen and synthesis gas from the heavy residue feedstock obtained from the Singapore refinery.
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