The definition of photodegrade is of a substance to be decomposed by the action of light. It means to breakdown when exposed to sunlight and is a type of chemical change that results from light being absorbed.
Composed of carbon, hydrogen and oxygen, A-PET is non-toxic, 100% recyclable and environmentally friendly. If incinerated, A-PET combusts completely, creating only water and carbon dioxide. Composed of carbon, hydrogen and oxygen, A-PET is non-toxic, 100% recyclable and environmentally friendly. If incinerated, A-PET combusts completely, creating only water and carbon dioxide.
"I got the mean streak"i am mad
"Terre" can mean "land" or "earth" in French. It is used to refer to the physical ground or soil.
"Muddy" is a word that can mean the land or dirt is wet, typically with a mixture of soil and water.
geo it's mean earth and graphein it's mean study
Materials decompose in different ways depending on their composition. For example, organic materials like food scraps decompose through bacterial and fungal action, breaking down into simpler compounds. Plastics, on the other hand, do not biodegrade and may photodegrade into smaller pieces over time when exposed to sunlight. Metals can corrode and break down through chemical reactions with the environment.
Photosensitive materials have their chemistry changed by light. The most energetic light is that pesky short wavelength ultraviolet or UV light. It tends to take weak covalent bonds apart if it can. Any material with weak covalent bonding may be subject to photodegradation. There are any number of materials - or components of materials - that fall into this group. As a group, the polymers, plastics composed of long chain molecules, have a number of different flavors that can get hammered by UV radiation. Many plastics will stand up to sunlight (specifically the UV) fairly well, and automotive paint is just one of them. And pollution (particularly oceanic polution) by plastics is reaching monumental proportions because the materials hang around so long. But as a group, the polymers take a beating when the energy in the UV rays that pound the material break chemical bonds and destroy the integrity of the material. We've seen what sun does to a plastic grocery bag. The most photosensitive materials are photographic films. But they are designed to do what they do in the specific way that they do it. They could easily be classified as the material most sensitive to photodegradation.
you mean what you mean
It mean what you don't what does it mean.
Mean is the average.
What does GRI mean? What does GRI mean?
The haudensaunee mean irguios
The correct usage is "what DOES it mean"
he was a mean person who lived with mean people in a mean castle on a mean hill in a mean country in a mean continent in a mean world in a mean solar system in a mean galaxy in a mean universe in a mean dimension
as you do
No, but sometimes "average" means "mean" - when it doesn't mean median, geometric mean, or something else entirely.
He is as mean as a copperhead snakeHe is as mean as an angry bearHe is as mean as a bottle of brandyHe is as mean a black woman