Radioactive Materials From Fertilizer Production

Phosphate rock comprises the mineral phosphorus, an ingredient used in some fertilizers to help plants develop robust roots. Phosphate rock contains small amounts of naturally-occurring radionuclides, mostly uranium and radium. When processing phosphate rock to make fertilizer, производство удобрений (www.nano-si.com) the phosphorous is removed by dissolving the rock in an acidic solution. The waste that is left behind is known as phosphogypsum. Most of the naturally-occurring uranium, thorium and radium found in phosphate rock finally ends up on this waste. Uranium and thorium decay to radium and radium decays to radon, a radioactive gas. Because the wastes are concentrated, phosphogypsum is more radioactive than the original phosphate rock.

Lengthy checkout lines at the grocery retailer are one in every of the most important complaints about the procuring expertise. Quickly, these strains might disappear when the ubiquitous Universal Product Code (UPC) bar code is replaced by sensible labels, additionally referred to as radio frequency identification (RFID) tags. RFID tags are clever bar codes that can speak to a networked system to track every product that you place in your purchasing cart.

Hearken to Your WeedsLook for the tales weeds have to inform as they grow in your backyard. Weeds are opportunists, taking advantage of any vacant soil to make their dwelling. (Just consider how nicely this technique has benefited the dandelion, a native of Eurasia that has swept by means of America.)

Do not let the delicate look fool you: Regardless of its dainty, bell-formed flowers, lily of the valley is considerably strong and in a position to thrive in deeply shaded places the place different plants cannot develop. Its fragrant, white blossoms hang from skinny stems, standing about 6 inches tall. Lustrous inexperienced leaves at the base die again when the plant blossoms.