Cannabis. THE ARCHITECTURE OF LIGHT: Architectural Lighting Design Concepts… 5pm - Project management, task organizer, team collaboration and time tracking software. Super Bright LEDs - LED Information. LEDS are static sensitive devices.
Observe static sensitivity handling precautions, such as wearing a grounded wrist strap when handling. When forming leads, the leads should be bent at a point at least 3 mm from the base of the led Avoid damage to LEDS by soldering for no longer than 3 seconds with 700° iron The following information applies only to single LED components, not LED Bulbs and Products. All of our LED bulbs and products have resistors built-in for operation at their rated voltages. LED components are not considered bulbs, an LED bulb is a complete system consisting of LEDs, LED drivers or resistors, and a housing. ALWAYS USE A RESISTOR IN SERIES WITH THE LED OR LEDS. The unit of measure commonly used to describe LED intensity is the millicandela (mcd), 1000 millicandela equals 1 candela. Solid State Lighting Design - LED Lighting for General Illumination and Architecture. Aquaponics. Aquaponics is a combination of aquaculture (raising fish) and hydroponics (growing plants without soil).
The wastes from the fish are broken down by bacteria living in the growing medium, and converted into a form that can be used by the plants. Integrated Vertical Tube System Here's a drawing and a photo of the integrated vertical tube aquaponics system we built. The photo shows the tubes in the planting/harvesting position; normally they are rotated 180 degrees so that the openings face the window. I made the drawing using Google SketchUp, a great free 3-D drawing program. To make the grow tubes, I cut slots across with a hack saw and then heated the plastic with a heat gun to soften it. The PVC caps on the bottom of the tubes have slots cut around the edges with a table saw, so that any water that might drip out around the plants can just run down the outside of the tube and through the slots. April 3, 2007 We got fish today!
8-14-2007 We've got babies! LEDs Magazine - LED Technology, Solid State Lighting and other LED Applications. SatisLED Store. SatisLED Store. Oaksterdam University. Surface Mount LEDs. UV Lamps And Lamp Types. UVC Production by Germicidal UV Lamps There are many types of lamps that artificially produce UV.
There are UV lamps for tanning, for counterfeit money detection, blacklight stage lamps and lamps for mineral displays, lamps that produce Ozone and germicidal UV lamps. The focus of this text are the germicidal UV lamps, which emit shortwave UV light in the ultraviolet section of the spectrum known as UVC or germicidal UV. There is more information on UV in the UV Facts section. Here we will discuss the artificial UV production by UV lamps and the specs of the different types of UV lamps. UV Lamps – History and Development UV light is artificially produced by mercury vapor low and medium pressure lamps. All germicidal UV lamps have secondary emissions, including small amounts of UVA, UVB, visible light (above 400nm wavelength) and heat.
As with all gas discharge lamps, the UV output of germicidal lamps is reduced when the temperature of the lamp surface deviates from the optimum.