Sentence examples for has often to from inspiring English sources
During pharmaceutical syntheses, the reaction solvent has often to be switched off from one reaction step to the following one.
And that reflects for me some of the psychology here, which has often to do with unfulfilled desires".
It is fast-paced and well-sourced but runs right from before the six-day war of 1967 to the present, and so has often to oversimplify.
Since he seldom signed or dated his works, their identification and chronology has often to be based on stylistic evidence alone.
In the case of adherent-dependent cell lines, the choice of agitation conditions at which all particles are just-suspended (or attain complete suspension) has often to be determined.
For instance, the tubes of radium prepared for medical use contain in general from 1 to 100 milligrammes, but radium has often to be dosed in natural waters or minerals, where the quantities are of the order of 10-7 gr. and even down to 10-12 gr. per litre of water or per gram of mineral.
Basyariah has often had to resort to quite creative teaching methods.
He has often had to advise clients to show some restraint.
Art has often aspired to universal values.
