照射英语怎么说
The daytime quality of light in forests varies with the density of the vegetation, the angle of the Sun, and the amount of cloud in the sky.
It is long known that Earth's orbit around the Sun changes periodically, cyclically affecting the way solar radiation strikes the Earth.
The accompanying flotilla of dorados schools (up to 50 now) can be seen more easily, their astonishing blueness picked up by torchlight.
The moon is raying across the bay.
Light pollution is largely the result of bad lighting design, which allows artificial light to shine outward and upward into the sky.
Bad lighting design allows artificial light to shine outward and upward into the sky.
The guide flashed a light into the cave.
The ink that is used to print with mercury vapor lamps is quite different than the UV-LED system's inks as well.
The very early morning sun was bright, from the window exposure in my face.
These are prime hours for exposure to skin-damaging ultraviolet (UV) radiation from the sun, even on overcast days.
For instance, plastics have a known weakness to ultraviolet rays from the sun, and so long exposure might represent an issue.
"Free radicals — like the kind formed from sun exposure — damage the membrane of skin cells, potentially allowing damage to the DNA of that cell," says Heller.
Development of yellow colour in pale colours when subjected to heat and/or light. When overcured for long periods or excessively high temperatures white powder coatings will darken or "yellow".
Exposure to ultraviolet light is closely linked to skin cancer.
The ice will melt when the sun shines on it.
Keep oils out of direct light.
A projector then shines a map of the vein network directly on the skin.
Dim-light exposure at night—comparable to having a television on in a darkened room—appears to be capable of triggering depression in animals.
Objective To elucidate the effects of high powered density millimeter wave irradiation on immune function of rats.