hydrogenations（過酸化水素）とは - 英語 - 多言語

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hydrogenations

hydrogen dioxide

名詞

不可算名詞

(chemistry) hydrogen peroxide

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The chemist carefully diluted the hydrogen dioxide before adding it to the reaction.

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hydrogen line

名詞

(physics, astronomy) a spectral line of atomic hydrogen having a wavelength of about 21cm; used extensively in radio astronomy

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Radio astronomers mapped the distribution of neutral hydrogen across the galaxy using the hydrogen line at 21 cm.

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hydrogen disulfide

名詞

不可算名詞

(chemistry) the sulfur analogue of hydrogen peroxide, H₂S₂ / (erroneously) hydrogen sulfide

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The compound hydrogen disulfide (H₂S₂) is unstable and decomposes rapidly at room temperature.

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hydrogen selenide

名詞

不可算名詞

(chemistry) the hydride of selenium, H₂Se; it is a toxic, inflammable gas, having properties similar to those of hydrogen sulfide

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Because hydrogen selenide is highly toxic, the research team installed continuous monitoring sensors in the laboratory.

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hydrogen carbonate

名詞

可算名詞不可算名詞

(inorganic chemistry, countable) Synonym of bicarbonate / (inorganic chemistry, uncountable) carbonic acid

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The chemist measured the concentration of hydrogen carbonate in the seawater sample.

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hydrogen-like

形容詞

比較不可原子・分子

(physics, of an atom or molecule) Having a single electron.

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A hydrogen-like atom provides a valuable test case for quantum mechanics.

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hydrogen burning

名詞

不可算名詞

(physics, astronomy) the nucleosynthesis process, in stars of less than 1.2 solar mass, in which hydrogen is converted to helium, deuterium and some lithium

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Hydrogen burning in stars under 1.2 solar masses primarily fuels the conversion of hydrogen into helium, deuterium, and traces of lithium, shaping their long-term structure and evolution.

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