plus lldpe * many plants can produce both forms of poly(ethene) and alter the amount that they produce of each type at short notice. both use a ziegler (or phillips) catalyst. if pure ethene is used, hdpe is formed. lldpe is produced when a small amount of another alkene, for example but- -ene, is added...
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veterinary products . the fda was empowered by the united states congress to enforce the federal food, drug, and cosmetic act , which serves as the primary focus for the agency; the fda also enforces other laws, notably section of the public health service act and associated regulations, many of which are not...
madagascar . x . x cm $ a large and deeply colored crystal of this exceedingly rare cesium-bearing mineral. the type material was discovered in madagascar in , and a very small number of morganites from afghanistan were subsequently found to also be pezzottaite-- apart from that however, this mineral has not...
taiwan tanzania united kingdom united states uruguay v t e many countries have entered into tax treaties (also called double tax agreements, or dtas) with other countries to avoid or mitigate double taxation . such treaties may cover a range of taxes including income taxes , inheritance taxes , value added...
the case with our "virtually new" - ( miles) auto. i was rear ended and you can imagine the damage involved. we just knew some seam or color match would be slightly off. it was not!...