LIEN 发表于 2025-3-28 18:29:37
IoT Enabled Smart Sensing System, characterised by nitrate concentration and reported in this chapter. The concentration range of nitrate is 0–40 ppm (mg/L). Different unknown samples were collected from various sources for measurement, and standard UV-Spectrometry was used for validation.gregarious 发表于 2025-3-28 22:02:16
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