The cooled reaction mixture was added to hexane (200 mL) with stirring, and then the supernatant was decanted off. This process was three times repeated and the separated precipitate was filtered, dried at 80 ◦C in a vacuum oven to give H4SLLAO as a white powder (yield: 29.8 g, 97...
The effectiveness of the method has been demonstrated in this first experimentation of the proposed 3D opto-acoustic camera. Keywords: underwater 3D imaging; opto-acoustic vision; optical and acoustic integration; ROV navigation 1. Introduction Acoustic and optical 3D systems are widely used to ...