| The concentration of dissolved iron in the present-day oceans is low because of the insolubility of oxidized iron oxides. |
| Evidence of insolubility should be determined in the final treatment medium to which cells are exposed. |
| The very property that makes it useful in the cell membrane, namely its insolubility in water, also makes it lethal. |
| Its usefulness arises from the insolubility of calcium and magnesium borates and the alkaline or basic nature of aqueous solutions of borax. |
| It is in the insolubility of these mysteries that the continued fascination with Hitler resides. |
| It can also be noted that the effect of the pouring-off temperature on the insolubility of certain esters seems selective. |
