The province planted 2,300 acres this year, all of which was grown under photodegradable plastic mulch covers. |
Weathering of polyethylene and enhanced photodegradable polyethylene in the marine environment. |
When unsubmerged, at least, plastics are photodegradable, or vulnerable to ultraviolet radiation. |
You don't need surveying tools, but use landmarks, your GPS and even photodegradable surveyor's tape to mark your path. |
Based on an elaborate blend of photodegradable solvents, with a low ozone depleting potential, GREENSOLV 941 has a very low toxicity for the user slightly acid pH without being corrosive to the user. |
The patent is issued for ultraviolet protective coatings for application to heat sensitive record materials and other photodegradable printed matter. |