Q:What are festivals fireworks?

It is no longer just for the holiday fun, and is widely used in national defense and national economy, such as: Ye Guangdan, flares, smoke bomb, fire bombs, coach imitation bomb, bomb and so on target indication

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

The factory is the national advocate energy-saving lighting transformation,

Q:The festival lights are strung together by a number of small light bulbs connected to the lighting circuit

the lighting voltage is 220V, 10 "12V, 10W" series connected to the lighting circuit,

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

by calculation, we should choose energy-saving lamps to reduce the cost of household lighting

Q:About the brightness of LED lighting

The second problem is that the spotlight cup uses only the angular astigmatism of the LED itself

Q:Aomori Festival

Predators, hot springs, highland celebrations: in addition to the bazaar, bingo, ballad shows and hot songs, Cara, OK, and other colorful activities.

Q:Voltage of lighting circuit in China

The total voltage of a series circuit is equal to the sum of the voltage of each series element. The voltage across the series circuit is in direct proportion to its resistance,

Q:How to use electric car storage battery and energy saving lamp to produce street lamp

Battery car battery series voltage, battery voltage and battery charge used vary greatly, in order to make the power supply voltage regulator circuit lamp will not be too complicated, so to the battery lighting device power supply voltage should not be too high, with a 12V battery to supply it.

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 are the main technical measures for the implementation of energy-saving lighting?

To make full use of natural light is one of the important ways to save the energy consumption of lighting, that is to say, electrical designers should consider the full combination of natural light and artificial lighting as far as possible, so as to save lighting energy.