Calibration is one of the most critical steps in the pH measurement process. Some of the common calibration-related problems include out-of-range slope values and cell constants, inaccurate readings ...
PROTECTION. Fishers from Manticao, Misamis Oriental, check the new bangus (milkfish) cage put up with the support of the Bureau of Fisheries and Aquatic Resources (BFAR) in this undated photo. An ...