Why is China's stock market falling and how might it affect the global economy? Concerns about inflation, shares and interest rates are raised after âBlack Mondayâ chaos sees billions wiped off markets around the globe.
A polyol is an alcohol containing multiple hydroxyl groups. In two technological disciplines the term polyol has a special meaning: food science and polymer chemistry.n polymer chemistry, polyols are compounds with multiple hydroxyl functional groups available for organic reactions. A molecule with two hydroxyl groups is a diol, one with three is a triol, one with four is a tetrol and so on.
Metoprolol (Lopressor Â® and Toprol-XL Â®) is a prescription medication used to treat several conditions involving the heart and blood vessels, such as congestive heart failure, angina, and high blood pressure.It can also help improve survival rates following a heart attack.etoprolol is part of a class of drugs called beta-adrenergic blocking agents, or beta blockers for short. As the name implies, these drugs block beta receptors, which are located in a number of places within the body, including the heart and blood vessels.