1) During a drive through Silicon Valley traffic, Yean pitched Dyson on his start-up.

2) Finally, Dyson told Yean she needed a ride from the San Jose airport to NASA on a recent trip to Silicon Valley.

3) The Christmas season always made Bonnie yean for those halcyon days of her youth.

4) Yean says his company is focusing on providing data and easy-to-use tools for people to take action.

5) Production: monomer boron, Danhuapeng, boron anhydride, without detectable; Hydrochloric acid , Yean, ammonia water.