nitrogen bridge

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• Nitrogen fixation — is the natural process, either biological or abiotic, by which nitrogen (N2) in the atmosphere is converted into ammonia (NH3).[1] This process is essential for life because fixed nitrogen is required to biosynthesize the basic building blocks of …   Wikipedia

• Penobscot Narrows Bridge — Infobox Bridge bridge name = Penobscot Narrows Bridge caption = The Penobscot Narrows Bridge with the Waldo Hancock Bridge in the background official name = Penobscot Narrows Bridge and Observatory carries = US 1 and ME 3 crosses = Penobscot… …   Wikipedia

• Earn, Bridge Of —    EARN, BRIDGE OF, a village, in the parish of Dunbarny, county of Perth, 3 miles (S. by E.) from Perth; containing 369 inhabitants. This place, which takes its name from its situation near a bridge across the river Earn, consists of two… …   A Topographical dictionary of Scotland

• salt bridge — 1. an inverted U–shaped tube filled with a gel, usually composed of agar, water, and potassium chloride, used to separate two chemically incompatible solutions in an electrochemical cell. 2. a chemical bond between a nitrogen atom, carrying a… …   Medical dictionary

• Nicotinic agonist — A nicotinic agonist is a drug which enhances the action at the nicotinic acetylcholine receptor (nAChR). Examples include: nicotine (by definition the nicotinic acetylcholine receptor is named for its affinity for nicotine) acetylcholine, the… …   Wikipedia

• Tropane — Tropane[1] …   Wikipedia

• Ecgonine — Chembox new Name = Ecgonine ImageFile = Ecgonin Ecgonine.svg ImageName = Semi skeletal formula of ecgonine ImageFile1 = Ecgonine 3D balls.png ImageName1 = Ball and stick model of the ecgonine molecule IUPACName = 3 hydroxy 8 methyl 8 azabicyclo… …   Wikipedia

• Decompression sickness — Caisson disease [decompression sickness] Classification and external resources Two United States Navy sailors prepare for training inside a decompression chamber …   Wikipedia

• Construction of the Trans-Alaska Pipeline System — The construction of the Trans Alaska Pipeline System was a massive undertaking involving tens of thousands of people often in extreme temperatures and conditions. Specialized construction techniques were pioneered to build the pipeline, most of… …   Wikipedia

• Crystal structure of boron-rich metal borides — Two single crystals of YB66 (1 cm diameter) grown by floating zone technique using (100) oriented seeds. In the top crystal, the seed (left from the black line) has same diameter as the crystal. In the bottom crystal (sliced), the seed is much… …   Wikipedia

• Glossary of fuel cell terms — The Glossary of fuel cell terms lists the definitions of many terms used within the fuel cell industry. The terms in this glossary may be used by fuel cell industry associations, in education material and fuel cell codes and standards to name but …   Wikipedia