In 2,000BC Egyptian glass beads were considered as valuable as gold and semi-precious gems, and were traded widely.
Mothers' work on behalf of their children should be considered as valuable as paid work, but it is presumptuous to think that welfare mothers must be mandated to seek access to developmental programs and services.
When Christie's bought it six years ago, its site next to the headquarters of Christie's London, on King Street in St. James's was considered as valuable, if not more, than its art trade.
Therefore, other surfactants could be considered as valuable alternatives to PVA.
They have been considered as valuable markers in some metabolic, endocrinologic, and neoplastic bone disorders.
The fractions obtained may be considered as valuable functional ingredients for foods, nutraceuticals and other applications.
Two exceptions are poloxamer and carbopol, which can be considered as valuable alternatives to PVA.
Also, they are considered as valuable solubilizing agents due to their functionalities and advantageous characteristics.
What can be considered as valuable research results for one is quite possibly of no value to the other.
Ionic liquids can be considered as valuable key precursor compounds for catalysts [23, 24, 25, 26, 27, 28, 29].
Energy models are considered as valuable tools to assess the impact of various energy and environment policies.
