Estrogen Curbs Appetite In Same Way As The Hormone Leptin. FULL STORY. Estrogen regulates the brain's energy metabolism in the same way as the hormone leptin, leading the way to a viable approach to tackling obesity in people resistant to leptin, researchers at Yale School of Medicine report in the December 31 online issue of Nature Medicine.
1. smokeless powder-an explosive (trade name Ballistite) that burns with relatively little smoke; contains pyrocellulose and is used as a propellant. Ballistite. explosive-a chemical substance that undergoes a rapid chemical change (with the production of gas) on being heated or struck.
Gunpowder, also known since the late 19th century as black powder, was the first chemical explosive and the only one known until the mid-1800s. It is a mixture of sulfur, charcoal, and potassium nitrate (saltpetre)âwith the sulfur and charcoal acting as fuels, while the saltpetre works as an oxidizer.eginning in the 1930s, gunpowder or smokeless powder was used in rivet guns, stun guns for animals, cable splicers and other industrial construction tools. The stud gun drove nails or screws into solid concrete, a function not possible with hydraulic tools. See Powder-actuated tool.