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chemical

/kem-i-kuhl/US // ˈkɛm ɪ kəl //UK // (ˈkɛmɪkəl) //

化学,化学品,化工,化学制品

Related Words

Definitions

n.名词 noun
  1. 1
    • : a substance produced by or used in a chemical process.
    • : chemicals, Slang. narcotic or mind-altering drugs or substances.
adj.形容词 adjective
  1. 1
    • : of, used in, produced by, or concerned with chemistry or chemicals: a chemical formula; chemical agents.
    • : used in chemical warfare: chemical weapons.

Synonyms & Antonyms

Examples

  • Vihari Kanukollu, the co-founder and chief executive of UrbanKisaan, told TechCrunch in an interview that the startup does not use any soil or harmful chemicals to grow crops and uses 95% less water compared to traditional farms.

  • Large fires can also heat up plastic pipes in the ground, causing them to leach chemicals into the water supply.

  • The chemical traces of nuclear testing can be found in ice sheets, lake bottoms, deep-sea sediments, and the bodies of living organisms, including our own.

  • Our noses have what amounts to “a chemical sensor” to detect it, Rudden notes.

  • So Regier and colleagues examined diamonds that formed in the crust, upper mantle and lower mantle, hunting for the chemical traces of subducted crust.

  • There was Carol White, a ho-hum homemaker who finds herself besieged by multiple chemical sensitivity in Safe.

  • Methane is a familiar chemical, whether you know it by that name or not.

  • However, their presence shows that Mars could have a more complex and evolving chemical story.

  • Lakes on Titan are full of methane, and the chemical is a major component of the giant planets Jupiter, Neptune, and so forth.

  • Methane (chemical formula CH4) is one of the simplest hydrocarbons, which literally means “containing hydrogen and carbon.”

  • Its chemical composition is unknown, but it is nitrogenous, and is believed to be produced by the decomposition of gluten.

  • It has been obtained for chemical examination, principally from peas and beans, and from the almond and oats.

  • Of its more strictly chemical effects, the most important is probably that which it produces on the temperature of the soil.

  • No sooner was the spectroscope invented than astronomers hastened by its aid to explore the chemical constitution of the sun.

  • It is likely that in the classic days of Greece men began to make simple experiments of a chemical nature.