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Lenntech designs, builds and installs a wide range of odour treatment, water purification and air filtration products using UV, ozone, Ecosorb, drum filtration. Also cooling towers.

The National Library of Medicine (NLM), on the campus of NIH in Bethesda, Maryland, is the world

ALZET Osmotic pumps are miniature, infusion pumps for the continuous dosing of laboratory animals as small as mice and young rats. These minipumps provide researchers with a convenient and reliable method for controlled agent delivery in vivo.

Charles River is a global provider of essential research products and services that advance drug discovery and development. Offerings include research animal models, preclinical testing, early-phase clinical trials and full process manufacturing supp...

Nature - the world

Water flow through semi-permeable membrane that blocks salts transport. Osmotic pressure on the free solution surface pumps the water.

Chemistry is the study of matter and energy and the interactions between them. Get facts for the elements in the periodic table. Find chemistry demonstrations and experiments and science fair projects. Get chemistry homework help with worked example ...