Q:What are festivals fireworks?

It is in full bloom in the festival night, Guangyan dazzling, ever-changing. China's fireworks varieties has a multitude of names, miscellaneous.

Q:What are some good suggestions for plant energy saving lighting modification?

the LED lamp replacement energy-saving fluorescent lamp, energy-saving lamp can reach more than 75% led

Q:Every home needs lighting bulbs, which are popular on the market now

two kinds of lamps all work normally, 5000h, the incandescent lamp needs to pay 180 yuan electricity charge, the electronic energy conservation lamp needs to pay 33 yuan electricity charge;

Q:LED lighting energy-saving transformation really good?

Ed lighting energy-saving transformation, the general use of LED lamps instead of the original fluorescent lamps, metal halide lamps, halogen lamps and other high-power old lamps

Q:In the application of the following electrical appliances, what is said is incorrect

C lighting circuit, the lights and other electrical connection between are parallel, so the option C with B.

Q:Energy saving of urban lighting

should be selected according to the needs of lighting lighting effect, use small diameter fluorescent lamp, self ballasted fluorescent lamps, metal halide lamp, high pressure sodium lamp, high efficiency gas discharge light source; the limit value should be in conformity with the provisions of the corresponding energy efficiency standard of energy efficiency

Q:Notes on installation of lighting for 105W high power energy-saving lamp factory building

A lot of university laboratory and operation room are used in this light. However, it is recommended that you consider those specializing in the production of xenon lamp xenon lamp manufacturers

Q:Do the statutory holidays allow schools to assign homework to students?

Protection of Minors Act provides education and training, the school should protect minors responsibility for the following provisions: (a) article thirteenth:" schools shall comprehensively implement the state policy for education, moral education, intellectual education, physical education and aesthetic education, labor education and guidance in social life and adolescent education of minors.

Q:What is the color temperature of a star hotel?

entrance channel lighting leads the vehicle safely to the entrance.

Q:Lamps, fluorescent lamps, lighting appliances, energy-saving fluorescent lamps arranged in order

. I do my homework in the light, small lamp lights always put its bright on my desk, I silently for lighting, never ask you for a little return; whenever I encounter difficulties in learning, the heart is a mess, raised his head to look at it, then light like a small lamp is issued a kind of Magic