窒素固定
Ubiquitous materials including aluminum, clear glass, synthetic rubber, synthetic diamond and the plastics polyethylene, polypropylene, polyvinyl chloride and polystyrene were discovered and developed or invented in the West. Iron and steel ships, bridges and skyscrapers first appeared in the West. Nitrogen fixation and petrochemicals were invented by Westerners. Most of the elements were discovered and named in the West, as well as the contemporary atomic theories to explain them.