Search results
Results from the WOW.Com Content Network
Nitrogen is a chemical element; it has symbol N and atomic number 7. Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens. It is a common element in the universe, estimated at seventh in total abundance in the Milky Way and the Solar System.
The first sample of plutonium metal was created from the reduction of plutonium trifluoride in November 1943. [190] 96 Curium: 1944 Glenn T. Seaborg, Ralph A. James and Albert Ghiorso: 1950 J. C. Wallmann, W. W. T. Crane and B. B. Cunningham Prepared by bombarding plutonium with alpha particles during the Manhattan Project. [191]
Fritz Haber (German: [ˈfʁɪt͡s ˈhaːbɐ] ⓘ; 9 December 1868 – 29 January 1934) was a German chemist who received the Nobel Prize in Chemistry in 1918 for his invention of the Haber process, a method used in industry to synthesize ammonia from nitrogen gas and hydrogen gas.
About 3.4 billion years ago, nitrogen formed the major component of the then-stable "second atmosphere". The influence of the evolution of life has to be taken into account rather soon in the history of the atmosphere because hints of earliest life forms appeared as early as 3.5 billion years ago. [48]
Solid nitrogen is mainly the subject of academic research, but low-temperature, low-pressure solid nitrogen is a substantial component of bodies in the outer Solar System and high-temperature, high-pressure solid nitrogen is a powerful explosive, with higher energy density than any other non-nuclear material.
Nitrous oxide, because of methane-created nitrogen-fertilizers, are also targeted for ever-increasing regulations. Nitrogen fertilizers feed 4 billion people, half the world.
Those records also show employees discussing Coristine’s conduct and him allegedly leaking information to a competitor. “Edward has been terminated for leaking internal information to the ...
Liquid nitrogen is a compact and readily transported source of dry nitrogen gas, as it does not require pressurization. Further, its ability to maintain temperatures far below the freezing point of water, specific heat of 1040 J ⋅kg −1 ⋅K −1 and heat of vaporization of 200 kJ⋅kg −1 makes it extremely useful in a wide range of ...