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  • [2015-08-08]
    Low pressure sodium lamp could be the very best supply of solar street lighting technique: low pressure sodium lamp emission wavelength is monochromatic light and 589.6nm 589.0nm. The 2 yellow spectral line positions close to the human eye is most sensitive wavelength is 555.0nm green spectral lines, not simply has higher luminous efficiency, and in the eyes in the world will not possess a colour, so see high resolution, excellent contrast for in road, overpass, tunnel and intersections large visibility and colour prerequisites. Low pressure sodium lamp also has no glare. The luminescence efficiency is 200lm/W low pressure sodium lamp, electrical light supply is the highest light efficiency of a light supply, the life is long. Low pressure sodium lamp luminous efficiency of higher luminous efficiency, short light effect. It is actually the luminous flux emitted from a light source and its electric power ratio, unit is lumens per watt (LM / W), is the evaluation of electrical light source electrical power efficiency the primary technical parameters. The flux is refers towards the dimension of light radiation per unit time, employed to represent the lumen. The greater the luminous flux emitted by power supply unit, low pressure sodium lamp is by way of very low stress sodium vapour discharge luminous electric light supply from the glass shell coated with IR reflecting film is smaller attenuation and luminous efficiency highest electrical light supply. Through the low pressure sodium lamp is monochromatic yellows and locations for that colour won't demand, but the "fog" carried out really nicely, especially for highway, street site visitors, municipal roads, public round, backyard lighting, can make folks clearly see the color difference is tiny....
  • [2015-08-07]
    At present, the fast pace of the society makes people staying up late to work more and more. At the same time, in many modern buildings, even during the day, also need to open the interior lighting to work. In this case, the light on the human body harm must be enough attention....
  • [2015-08-05]
    The plants grow light source: high pressure sodium floodlights, metal halide high bay, ceramic metal halide lamp, microwave sulfur lamp, plasma lamp, fluorescent lighting fixtures, no electrode lamp and led. Is the most generally utilized sodium lamp, metal halide lamp and LED. Other somewhat little minority, price or quite high-priced high pressure sodium lamp can be divided into ordinary sodium lamp, sodium lamp with large photosynthetic efficiency, plants with sodium lamp, employed a 250W, 400W, 600W, 1000W....
  • [2015-08-05]
    LED Kelvin: diverse lighting locations, such as bedroom, living room, kitchen,demand of light usually are not the same, this time is usually see the color temperature of LED light bulbs to select. LED lamp is from the choice of 2700~6500K, the smaller the numerical bias of yellow light, blue light and bias. One of the most appropriate LED lighting lamp color temperature selection, it should be is near to your sun for all-natural white colour temperature range would be the most scientific preference, in daily family lighting can pick out 2700k incandescent shade or 5000K neutral white....
  • [2015-08-04]
    What is the amount of green plants that an adult can take out of the carbon dioxide that is discharged every day? About 10 square meters of woods, or 25 square meters of lawn, in order to consume it. And people stay the longest day is in the family, here is usually just a narrow and semi enclosed space, there is no trees, no grass, no one's breath of carbon dioxide will not necessarily be "recycling", the big part to continue to exist in small room. In this way, the air in the room will be more and more fresh. According to the survey, the family's indoor pollution is more serious than outdoor, indoor air pollution than the World Health Organization provided by the standard 2 ~ 3 times, serious or even higher than 20 ~ 30 times....
  • [2015-08-03]
    in the 24 hours of high bay lighting conditions, aloe vera can eliminate 90% in 1 cubic meter of air formaldehyde, Ivy can eliminate 90% of benzene, tequila can devour 50% 70% of benzene and formaldehyde, vertical Gua LAN can absorb 96% of carbon monoxide and 86% formaldehyde; 2) luluo, aloe and Chlorophytum, Sansevieria removal of formaldehyde. 15 square meters of the room, planted two pots or Chlorophytum Sansevieria can keep the air fresh, without the harm of formaldehyde...
  • [2015-08-02]
    Induction lighting fixture as being a new light includes a pretty prominent advantage, so it really is also the nationwide lamps and lanterns market place. There exists induction lamp on the huge scale within the lighting market place is just not still mature, but its own advantages is still evident, and countries for policies to support energy-saving lighting market, inevitable meeting of induction lamp engineering study and advancement to create favorable ailments, while in the new time period of growth through the twelfth 5 yr, electrodeless lamp marketplace will even have key breakthrough, to turn out to be the brand new force in energy-saving lighting market. Public lighting programs during the provinces have replaced the LED street lamps, the speed of alternative to your standard incandescent lamp is accelerating. In addition, China's "ten cities" semiconductor lighting application is entirely launched,rigid, no lights is often a kind of energy-saving lamps, but its operating principle and common energy-saving lamps are various, no pole is developed by high frequency generator magnetic discipline discharge, ultraviolet radiation, ultraviolet excitation fluorescent powder....
  • [2015-08-02]
    Refers to the light emitting mode, relative to the LED point light source and ordinary light source, the existing light source such as flat light source, LED light source has a soft, not to hurt the eyes, power, light, natural and other characteristics, is an important direction in the development of light source products. There are some obvious limitations in the existing LED light source, but in order to business needs and deliberately ignored these issues...
  • [2015-08-01]
    Core ballast reduction is modest, secure impedance, the impedance bacteria primality small deviation, extended support lifestyle, secure lighting than resistive ballast good, existing and high pressure sodium lamp supporting use of ballast are inductive ballast. Its drawbacks are greater than benzene and higher charges. Moreover, electronic ballast has begun to appear, at current the rate pricey, dependability just isn't as well as the high-voltage sodium lamp is matched, except for unique occasions, below regular conditions are hardly ever employed. As a result, high pressure sodium lamp and lamp ballast series has to be corresponding specifications prior to use. High pressure sodium lamp lighting circuit is really a nonlinear circuit, the electrical power component is lower, so from the network consider a compensation capacitor is linked to improve the energy factor of the network...
  • [2015-07-31]
    Different wavelengths of light for plant photosynthesis, the impact is not, the need for the light of the plant photosynthesis, wavelength in the 400-720nm. According to the above principle, the plant lamp is made of red and blue combination, all blue and red three forms, in order to provide two red and blue wavelengths of light, covering photosynthesis wavelength range. In the visual effect, the red and blue combination of plant light is pink and white LED lights, the most common is the use of blue core, yellow fluorescent powder, resulting in a combination of white light. Energy distribution, there are two peaks in the blue area of 445nm and the yellow green area of 550nm. And the plants need 610-720nm red light, is very short. This explains why in the white LED irradiation, plant growth,...