One or two of those powders introduced into the full bottle of medicine would effectually precipitate the strychnine, as the book describes, and cause it to be taken in the last dose. 
Some of the powders had an effect on strychnine.
The powders in the bottle would have no effect on the strychnine.
I can do half-days so I can be home to take care of the kids.
Effort to develop something new may or may not be successful.
The promenade deck is one of the places where you can see what life would be like in the ship.
We did it for one year only, then stopped.
The couple is showing affection.
TI, what is it?