Skiing is an ancient sport. With the development of economy, this sport has been well promoted in Europe and America and has more people. The promotion of skiing as a competitive sport in China has had considerable twists and turns. In recent years, it has achieved vigorous development with the successful bid for the Beijing Winter Games.… Read More
With the development of economy, automobiles have become a common means of transportation for people.
The urban parking lot makes the cars in the city run normally and smoothly, and the parking lot is developing into an essential element of a city, its illuminance should also be paid attention to.… Read More
With the increasing number of tunnel projects, tunnel construction plays an increasingly important role in modern transportation. The tunnel is a closed space, and natural light cannot illuminate it. In order to ensure the continuity of driving and the safety of pedestrians, artificial lighting is required for the entire interior even during the day.… Read More
Solar energy refers to the thermal radiation energy of the sun, and its main manifestation is the sun’s rays. Solar energy is inexhaustible, and it is a renewable green energy source, so now energy-saving solar energy equipment is also adopted on the market, such as our common solar water heaters, solar street lights…
As the earth’s resources become increasingly scarce, the investment cost of basic energy is rising, and various safety and pollution hazards are everywhere.… Read More
C vagy D rendszerű épületbe részben beépíthető egy vagy B típusú rendszer.
A tűzvészjelző lámpák felállításával biztosítani kell, hogy a kiürítési sétányon vagy a nyilvános teremben tartózkodó személyek a kiürítési utasításokat (kijárati táblákat vagy a kiürítési irányt jelző táblákat) bárhol láthassák, és a megfelelő specifikációjú táblákat az előírásoknak megfelelően kell kiválasztani. az alkalmazás helye , A látótávolságnak meg kell felelnie a függelék követelményeinek.… Read More
With the gradual improvement of people’s material living standards in recent years, the requirements for the night image of the city have also gradually increased, and the landscape lighting design has been increasingly integrated into the urban night scene lighting. So how to do landscape lighting design?
First of all, the use of lighting art can not only give a city vitality, but also create a unique urban atmosphere.… Read More
The luminous intensity of a luminous body in a given direction is the luminous flux dΦ transmitted by the luminous body in the solid angle element dΩ of the direction, that is, the luminous flux per unit solid angle. The unit is candela (cd), 1cd=1lm/sr.
The solid angle can be described by the taper angle of a cone.… Read More
Roof-top billboards are a common carrier of outdoor advertising in daily life. They are usually set up on the roofs of buildings with dense population or large population flow and wide field of vision. This significant advantage is also the prerequisite for businesses to choose brand promotion channels. one of the conditions.… Read More
In the professional production process of movies, although the principle of the picture is to be realistic and natural, in fact, almost no good works can be produced only by relying on natural light. Therefore, artificial lighting is used for supplementary lighting in film and television production.… Read More