alet me hear you scream 让我听见您尖叫[translate] a正是我说再见的时候了 Is precisely I said goodbye time[translate] athe army is currently the focus of attention 军队当前是注意焦点[translate] aHow long does a fluorescent bulb last? 一个萤光电灯泡多久持续?[translate]...
Fluorescents are delicate when it comes to their functionality and composition. These lights only perform well in a room-temperature setting. In fact, in temperatures under 50 degrees, you can expect the light to perform at max, at 80% capacity. Plus, this is only when you put up a brand...
Light bulb(s) - Fluorescent light that attracts insects, usually mercury, neon or ultraviolet (black light) Wire grids or screens - Wire meshes (usually two) that surround the light bulb and are electrified to kill insects Transformer - Device that electrifies the wire mesh, changing the 120-...
Ewoldt, John
4. Find out if you need to dim your light Not all light bulbs can be dimmed or used in 3-way fixtures, especially compact fluorescent and LED bulbs. The packaging should specifically say that the bulb is "dimmable" or "3-way" so you to know that the bulb will indeed work with your...
Solid-state lights like LEDs are more stable light sources than incandescent or fluorescent bulbs, and the difference is startling: You'd have to leave a LED light on for 24 hours a day, seven days a week for three years before it matches an incandescent bulb's life span. (In fairness,...
This arc lights the bulb in the same way a larger arc lights a fluorescent bulb. One of the electrodes is a bimetallic strip that bends when it is heated. The small amount of heat from the lit bulb bends the bimetallic strip so it makes contact with the other electrode. With the two ...
Fluorescent lights work because the ionization of gas inside a fluorescent bulb energizes the phosphorescent coating of the bulb and makes it glow. For the bulb to produce a steady glow, the electricity that ionizes the gas must pulse in regular, stable intervals, and the ballast or starter ...
Indoor growers usually put their grow lights with a timer to simulate the sun. This makes it easy to turn on and off the lights for each “day” so grow lights are more automated. There are many different sized grow lights, from the CFL light bulbs you already use in your house to bi...
And, although UV light has more than enough firepower to make a photocopy, it can be very damaging to our eyes and skin. This is why photocopiers use a plain old incandescent or fluorescent bulb to flash light onto the original document. When the lamp in the copier is turned on, it ...