UVB bulbs should only be used to treat human vitamin D deficiency or other health conditions under the care of a physician. Exposure to lamps at this nanometer could damage the skin and eyes, and a medical professional should ensure proper lamp type and exposure is being used for UVB light ...
(Light Box, Floor and Desk Lamps, Light Visor, Dawn Simulator, Light Therapy Bulbs, and Handheld Devices), Light Type (White Light, Blue Light, Red Light, and Others (Green and Yellow Light)), Application (Vitamin D Deficiency, Mental Health Disorders, Skin Disorders, and Neonatal Jaundice)...
Oh, yes, go down this aisle, pass the garden tools, you'll find them on the shelf next to the light bulbs. 出自-2010年6月听力原文 People tend to work longer hours with artificial lighting. 出自-2010年6月听力原文 Well, you know, spending too much time indoors with all that artificial...
It is also the predominate light wave represented in light-emitting diodes, better known as LEDs. Because they are highly efficient to the tune of decreasing energy requirements as much as 95 percent when compared to the older incandescent thermal light bulbs, LEDs have largely replaced their...
As the environment in the grow tent is purely artificial, use grow lights effectively. To do so, choose LED grow lights for high efficiency and adjustable colors or bright white halogens for more brightness. Use warm, incandescent bulbs for a cozy, relaxing environment. ...
You will come across many tanning salons that provide red light under a full body bed. The fluorescent bulbs emit the UV rays that give you the tan, not the red light-beds. It relatively unclear, however, the wavelength that the beds emit. Therefore, it might be unsafe for you, given ...
In 1910, John Harvey Kellogg published a book called Light Therapeutics, which documented many benefits imparted by light therapy using incandescent light bulbs and arc lights. Light therapy can be effectively used for diabetes, obesity, chronic fatigue, insomnia, baldness, cachexia and many other ...
Since 1933, we have been producing the best ultraviolet sunlamps for vitamin D deficiency, psoriasis and at-home tanning. We offer a full 60 day, true 100% money back period and a seven year product warranty. After years of perfecting our ultraviolet lights, we stand behind what we sell....
All of those specialized bulbs led to the building of specializedlightfixtures, from the desk lamp you study by, to the ugly but beloved hand-painted Chinese lamp you inherited from your grandmother, to the ceiling fixture in your closet, to thelighti ...