July 25 (Reuters) - Pratt & Whitney on Tuesday hit fresh turbulence over a problem-plagued engine model, prompting a 10% drop in shares of parent RTX (RTX.N), opens new tab as it said more than 1,000 ...
In this research, biodiesel fuel is produced using potassium hydroxide (KOH) as a catalyst and methanol as a co-solvent through the transesterification process. The analysis of particulate matter ...
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