草药减肥产品中氟西汀和西布曲明检测方法研究：通过溶胶-凝胶法制备的Carbowax 20M涂层纤维相萃取膜结合高效液相色谱-二极 ...

SOLUTIONS of various osmotic pressures have been widely used in biology. Sugars and their derivatives, commonly used to maintain osmotic pressures, have the drawback that many, if not all, of these ...

The Dow Chemical Company announced today that its Polyglycols and Surfactants business will increase the North American off-list prices of certain CARBOWAX™ and CARBOWAX™ SENTRY™ Polyethylene Glycols ...