The outcome of an international EU/ECVAM/COLIPA validation exercise [2] documented that the phototoxic potential of chemicals can be predicted by applying the 3T3-NRU in vitro phototoxicity test (3T3-NRU-PT).
contributory value. Definition. Amount of value added to the overall value of a property resulting from remodeling or renovating one area of the property. The contributory value is the actual amount of value gained by the addition or renovation. Print Cite / Link.
Contribution is the amount of earnings remaining after all direct costs have been subtracted from revenue. This remainder is the amount available to pay for any fixed costs that a business incurs during a reporting period.Any excess of contribution over fixed costs equals the profit earned.or example, if a business has revenues of $1,000 and direct costs of $800, then it has a residual amount of $200 that can be contributed to the payment of fixed costs. This $200 amount is the contribution arising from operations.