The mathematical term for "mean" is "mean".The popular, or colloquial term for "mean" is "average".
No, the math term ratio doesn't mean multiply.
There is no statistical term such as "deviation mean".
mean: average
it means more like meanings EX:what does mean mean in math meanings or what does mean mean in math terms . so its more like a different way to say it
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You can purchase photochromic (color changing) paints at most automotive paint stores.
Photochromic lenses change with the light they get dark in the sun and clear indoors, giving you UV protection and making life easier. if you are looking for photochromic lenses this is the site I usually follow Eyeglass direct
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Photochromic Sunglasses are the eyeglasses that gets darken when exposed to the sun. Created by Corning in the late 1960s and popularized by Transitions in the 1990s,these are also sometimes called photochromatic. Lenses in photochromic sunglasses rely on a specific chemical reaction to UV radiation.
they turn darker in sunlight
Photochromic Sunglasses are the eyeglasses that gets darken when exposed to the sun. Created by Corning in the late 1960s and popularized by Transitions in the 1990s,these are also sometimes called photochromatic. Lenses in photochromic sunglasses rely on a specific chemical reaction to UV radiation.
Photochromic lenses are made by incorporating molecules called silver halide crystals into the lens material. These molecules are responsive to ultraviolet light, causing the lenses to darken when exposed to sunlight. The process of making photochromic lenses involves embedding these molecules in the lens material during the manufacturing process.
The technical term for a lens that has a variable tint is aphotochromic lens (also called photochromatic if you are in America). One of the most well known and commonly sold brands of photochromic lenses are "TRANSITIONS". Photochromic lenses get darker when they are exposed to ultra-violet light, not when you are indoors in a brightly lit room with artificial lights. Photochromic lenses are best suited to slightly cooler climates as they react much quicker and will go darker when they're cold compared to using them in a very hot climate.
Those are called photochromic lenses. They contain special molecules that react to ultraviolet light, causing the lenses to darken in brightness and clear up when UV exposure decreases.
The advantages of having photochromic lens on your sunglasses are not only convenient (ability to go from outdoors to indoors with changing eyewear) but they enhance vision of patients with various ocular pathologies (diseases) and those who have light to moderate sensivity to light.
Photochromic polymers are used in things like glasses, car windows, and smart windows because they change color or darken when exposed to sunlight. You’ll also find them in UV sensors, cosmetics, and security features for added functionality.