solar stick extrusion 2018 In a dry climate you can melt pe and pp by solar power.

parabolic mirrors 2000 watts take out after cooling hydraulic jack 4 tons 200 degrees celsius … it took 40 minutes to melt this works in a dry climate with continuous sunshine it takes 2 joule to heat 1 gram of polyethylen just one degree.

Ecosystem Ecology: Links in the Chain – Crash Course Ecology #7

There’s a lot of ideas that we just assume that we know a lot about because we hear about them all the time. For instance, I know what pop music is, but if you were to corner me at a party and say, “Hank, what is pop music?”, I’d be like, “It’s, uh…it’s like, uh…the […]

Energy flow in ecosystem

Welcome to MooMooMath and ScienceAll living things need energy. Some biotic factors get their energy from the sun. Others eat other biotic factors As a result energy flows in ecosystems. This flow of energy can be represented with food chains and food webs. For most ecosystems the ultimate energy source is the sun As you […]