Nishani was concentrating too hard to notice him when he entered.
She willed herself there, concentrating hard to keep from losing the connection.
It was mid-afternoon already, another day wasted with the Council rather than concentrating on preparing for battle.
The American "essence of spruce," occasionally used in England for making spruce-beer, is obtained by boiling the shoots and buds and concentrating the decoction.
Graham obtained a colloidal tungstic acid by dialysing a dilute solution of sodium tungstate and its equivalent of hydrochloric acid; on concentrating in a vacuum a gummy product is obtained, which still remains soluble after heating to 200°, but it is converted into the trioxide on heating to redness.