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krypton    音标拼音: [kr'ɪptɑn]
n. 氪

氪

krypton
n 1: a colorless element that is one of the six inert gasses;
occurs in trace amounts in air [synonym: {krypton}, {Kr},
{atomic number 36}]

Noble \No"ble\, a. [Compar. {Nobler}; superl. {Noblest}.] [F.
noble, fr. L. nobilis that can be or is known, well known,
famous, highborn, noble, fr. noscere to know. See {know}.]
1. Possessing eminence, elevation, dignity, etc.; above
whatever is low, mean, degrading, or dishonorable;
magnanimous; as, a noble nature or action; a noble heart.
[1913 Webster]

Statues, with winding ivy crowned, belong
To nobler poets for a nobler song. --Dryden.
[1913 Webster]

2. Grand; stately; magnificent; splendid; as, a noble
edifice.
[1913 Webster]

3. Of exalted rank; of or pertaining to the nobility;
distinguished from the masses by birth, station, or title;
highborn; as, noble blood; a noble personage.
[1913 Webster]

Note: Noble is used in the formation of self-explaining
compounds; as, noble-born, noble-hearted, noble-minded.
[1913 Webster]

{Noble gas} (Chem.), a gaseous element belonging to group
VIII of the periodic table of elements, not combining with
other elements under normal reaction conditions;
specifically, {helium}, {neon}, {argon}, {krypton},
{xenon}, or {radon}; also called {inert gas}.

{Noble metals} (Chem.), silver, gold, and platinum; -- so
called from their resistance to oxidation by air and to
dissolution by acids. Copper, mercury, aluminium,
palladium, rhodium, iridium, and osmium are sometimes
included.
[1913 Webster]

Syn: Honorable; worthy; dignified; elevated; exalted;
superior; sublime; great; eminent; illustrious;
renowned; stately; splendid; magnificent; grand;
magnanimous; generous; liberal; free.
[1913 Webster]


Krypton \Kryp"ton\ (kr[i^]p"t[o^]n), n. [NL., fr. Gr. krypto`n,
neut. of krypto`s hidden.] (Chem.)
An inert gaseous element of the argon (noble gas) group, of
atomic number 36, occurring in air to the extent of about one
volume in a million. It was discovered by Ramsay and Travers
in 1898. Boiling point, -152.3[deg] C.; melting point,
-156.6[deg] C.; symbol, Kr; atomic weight, 83.8.
[Webster 1913 Suppl.]

A {frame language}.

["An Essential Hybrid Reasoning System: Knowledge and Symbol
Level Accounts of KRYPTON", R.J. Brachman et al, Proc
IJCAI-85, 1985].

(2011-12-05)


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  • Krypton - Wikipedia
    Krypton (from Ancient Greek: κρυπτός, romanized: kryptos 'the hidden one') is a chemical element; it has symbol Kr and atomic number 36 It is a colorless, odorless noble gas that occurs in trace amounts in the atmosphere and is often used with other rare gases in fluorescent lamps
  • Krypton | Properties, Element, Atomic Mass, Uses, Facts - Britannica
    krypton (Kr), chemical element, a rare gas of Group 18 (noble gases) of the periodic table, which forms relatively few chemical compounds About three times heavier than air, krypton is colorless, odorless, tasteless, and monatomic
  • Krypton (TV Series 2018–2019) - IMDb
    Set two generations before the destruction of the legendary Man of Steel's home planet, KRYPTON follows Superman's grandfather--whose House of El was ostracized and shamed--as he fights to redeem his family's honor and save his beloved world from chaos
  • 15 Fascinating Facts About The Element Krypton - Discover Walks
    Krypton, a noble gas, is a trace element in Earth’s atmosphere It is intriguing to scientists and enthusiasts alike for its captivating properties and lesser-known mysteries
  • Krypton - Element information, properties and uses | Periodic Table
    Element Krypton (Kr), Group 18, Atomic Number 36, p-block, Mass 83 798 Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images
  • Krypton Element Facts - chemicool. com
    Krypton is employed alongside other gases to make luminous ‘ neon light ‘ style signs that glow with a greenish-yellow light Krypton is used as a filling gas for energy-saving fluorescent lights and as an inert filling gas in incandescent bulbs
  • Krypton | Kr (Element) - PubChem
    Chemical element, Krypton, information from authoritative sources Look up properties, history, uses, and more
  • Periodic Table of Elements: Los Alamos National Laboratory
    The atmosphere of Mars has been found to contain 0 3 ppm of krypton Solid krypton is a white crystalline substance with a face-centered cubic structure which is common to all the "rare gases "
  • Krypton (Kr) Element: Properties, Interesting Uses, Facts
    Krypton is a chemical element with the atomic number 36 and is represented by the symbol ‘Kr’ in the periodic table It belongs to the p-block of group 18 of the periodic table
  • Krypton Element: Uses, Properties, and Applications
    Discover everything you need to know about Krypton, the elusive noble gas with atomic number 36 Dive into its historical background, physical and chemical properties, abundance, and various applications including industrial uses and medical applications





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