Light can be seen everywhere in life, and most people enjoy the light that it brings, while ignoring the health hazards it may have. From the glare of neon lights outdoors to the use of unreasonable fixtures at home, the ubiquitous light pollution is like a beautiful invisible killer, threatening our health.
Almost 90% of households pay attention to the appearance, energy efficiency and power of the lamps when selecting lamps. As for the illumination of the lamps, the color temperature and so on, whether the lighting environment can meet the health standards, few people care. According to a US survey report, about two-thirds of the world's people live in light pollution. Scientific research has found that any artificial light source produces a subtle light stress. The long-term existence of such light stress will make people, especially infants and young children, behave uneasily and emotionally, resulting in insomnia. In daily life, the overall light source should be avoided, the brightness is not strong, the contrast between light and dark is too strong, the light is colorful, the color temperature is not considered, the fluorescent table lamp is placed on the bedside, and the brightness of the adjustable light source is always adjusted to the maximum. Misunderstandings such as side-turning lights can create a scientific lighting environment that is both beautiful, comfortable and healthy.
How to avoid "light pollution" in home decoration lamps and improve the indoor visual environment? On the one hand, we must pay attention to reasonable indoor lighting design, such as paying attention to the color coordination of lights, avoiding glare, choosing colors that have little impact on the eyes, and avoiding direct light to the human eye. On the other hand, consumers should also upgrade the concept of lighting design, buy large brands, high-quality lamps, and decorate a healthy and pollution-free living environment. When consumers buy lamps, they should not only consider the illuminance, which is the wattage we often say, but also learn to consider the color temperature. Light bulbs produced by regular manufacturers will be marked with color temperature on the package. The commonly used color temperature is 2700k, which is the color temperature of ordinary incandescent lamps. It is characterized by warm light but not bright enough. It is suitable for local lighting such as bedroom bedside and wall lamp; 3000k is The color temperature closest to natural light is warm light, the light is warm and bright, suitable for the overall lighting design in the home; 3400k is white light, is a cool color light, can make people concentrate, suitable for office, study and other places. If there is no color temperature indicator on the package of the light source, it may be an informal product, try not to buy it.
Dual Pointer Shockproof Pressure Gauge
Dual pointer shockproof Pressure Gauge
The dual pointer shockproof pressure gauge for mining is used to measure the pressure and peak value of fully-mechanized mining equipment under the conditions of great pulse pressure of coal mining, poor operation environment. The instrument is characterized by quick installation, small volume, high precision, vibration and shock resistance, maximum value of memory.
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