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Substation protection screen, monitoring and control screen DC, AC voltage is generally how much? Is there a requirement?
- Design procedures are provided, generally into the protective screen voltage should not be higher than 220V. And the voltage from the PT is 100V, so the protection of the AC voltage within the screen is generally only 220V (for relay protection power), or 100V (for voltage protection signal input)s
How is copper used in three different ways?
- wtg for going with cloth. JJ used to make thin disposable diaper liners that kind of looked like a dryer sheet. they were great because they held the solids for flushing, leaving the diaper just wet. If you can not find them I would go with cotton. It was cheaper to buy a new washer and 4 doz diapers than go with Pampers. darn right i used cloth, and when the kids were out of diapers I still had a great washer.Lazy people that have no concern for the environment use pampers.s
what is the best mobile phone now?
- try okorders
Attaching an electrical motor to a fixed axle?
- anything is possible if ya study it long enough. try different parts off of different things till ya find a combo that works. main thing is dont rush into it,patience and some good ol thinking on the problem can make anything work. look at all the custom rods out there with home made parts on them. think it out and you will make it works
Uv decorative board is what?
- The so-called uv decorative plate, which refers to its surface after UV curing paint protection treatment of a new environmentally friendly decorative materials, its substrate contains cement pressure board, solid wood multilayer board, MDF, glass magnesium fire board four. Uv decorative plate surface after a special treatment more smooth and smooth, wear resistant, resistant to corrosion, heat and cold, excellent performance, very popular in the market.s
What are the raw materials and production processes of steel?
- The hot metal from the torpedo car can be poured into the converter as the main burden after being treated by desulphurization and slag disposal, etc., with the addition of scrap steel below 10%. Then, burning into the converter oxygen blowing, excess carbon in molten iron by oxidation and release large amounts of heat, when the probe is measured to reach a predetermined low carbon content, namely stop blowing and tapping. In general, the ladle needs to be deoxidized and adjusted to operate the ingredients. Then, the carbonized rice hull is cast on the surface of the liquid steel to prevent the molten steel from being oxidized and sent to the continuous casting or die casting work area. For high requirement steel, increasing bottom blowing argon, RH vacuum treatment, spraying powder treatment (spraying SI - CA powder and denatured lime) can effectively reduce gas and inclusion in steel, and further reduce carbon and reduce sulfur. After these measures are refined, the ingredients can be adjusted to meet the demand of high quality steel.s
How to set quota for standby power supply?
- Positive pressure air (SFK) fire control module installation should be set "module (Interface) 'installation section.s
- spectrum= group of waves light spectrum group of visible light waves part of the electromagnetic spectrum that we can see ROYGBIV speed of light speed= frequency X wavelength color can be expressed as wavelength or frequency objects are the color that they reflect light can be transmitted, reflected, absorbed filters allow one color to go through ultraviolet is above human seeing, infrared is below human seeings