From Wikipedia, the free encyclopedia. Phototoxicity, also called photoirritation, is a chemically induced skin irritation, requiring light, that does not involve the immune system. It is a type of photosensitivity. The skin response resembles an exaggerated sunburn.
The contribution margin ratio is the difference between a company's sales and variable expenses, expressed as a percentage. The total margin generated by an entity represents the total earnings available to pay for fixed expenses and generate a profit.
Next >>. Deduplication Ratio is the ratio of data prior to deduplication to that of after deduplication. The deduplication ratio report shows the percentage of deduplication that has been realized system-wide. This report can be filtered to specific cloud accounts to see how effective deduplication has been for volumes assigned to those particular cloud storage accounts. Since the appliance performs deduplication across volumes within a cloud account, it is not possible to filter this view onto specific volumes.