中英文地名和人名建议选择专门化的地名译典或人名译典;有些缩写词在缩写词典中更容易查到;

    hydrogen查询结果如下:

    音标:['haɪdrədʒən]
    名词复数:hydrogen 词频:高频常用词

    基本释义/说明:n.氢
    详解 词库 双语句典 英文释义 韦氏词典 英文百科 wiki词典 英文句库
    n.
    氢[符号 H];
    hydrogen bomb
    氢弹.[[缩] H-bomb; [同] fusion bomb]
    hydrogen chloride (fluoride)
    氯(氟)化氢.
    hydrogen ion
    氢离子.
    hydrogen ion concentration.
    氢离子浓度.
    hydrogen peroxide
    过氧化氢,双氧水.[符号 H 2O 2]
    hydrogen phosphide (sulphide)
    磷(硫)化氢.
    图典解说
    This gas is the most abundant element in the universe and makes up part of the composition of water....
    这种气体是宇宙中最丰富的元素,构成了水的组成部分。它特别用于石油化工和火箭发动机。
    -扩展释义
    n. 【医学】 【医学】
    氢,氢气
    【海运】
    氢氢(H)
    n. 【医学】 【医学】
    氚,氢-3
    n. 【医学】 【医学】
    氘,重氢
    -hydrogen的不同词性形态

    名词 变体/同根词

    hydrogens
    同义词: waterstuff
    hydrogen的复数形式
    “The four C-H bonds are directed towards the four corners of a tetrahedron, with carbon at its center and hydrogens at each vertex.”
    “This forms two ATPs, and two molecules of nicotinamide adenine dinucleotide, a carrier of high-energy hydrogens used in catabolic reactions.”
    “The spectral shift indicates that the hydrogens are completely replaced by deuterons.”
    (chemistry) A device that hydrogenates.
    (chemistry) hydrogen, especially when formerly considered as a metal
    (biochemistry) Any enzyme that catalyzes the formation of hydrogen, or the reversible oxidation of hydrogen.
    “It is now known to be responsible for a set of genes, including those for formate hydrogenase.”
    “The hydrogenase was purified from the crude membrane fraction according to the reported method.”
    “Immunogold labeling allowed colocalization of hydrogenase and double-stranded DNA in the hydrogenosomes of the ciliate.”
    The addition of hydrogen to coal under high pressure to form methane.

    动词 变体/同根词

    hydrogenate的现在分词
    “In 1911, Procter and Gamble changed all that when it introduced Crisco, a shortening made by hydrogenating a liquid oil.”
    “A more synthetic method to produce methane is hydrogenating carbon dioxide through the Sabatier process.”
    “Hydrogenating all of the aromatics present in bitumen will not solve this problem because the resulting naphthenes are still not suitable for the FCC process.”
    (chemistry) to hydrogenate
    (chemistry) to treat something, or react something, with hydrogen; especially to react an unsaturated fat with hydrogen, in the presence of a nickel catalyst, to produce a harder saturated fat
    “In order to minimize this rancidity, manufacturers will hydrogenate the oil.”
    “Manufacturers hydrogenate oil to make it solid and literally twist the molecule into a form that wreaks havoc in the body.”
    “And beef is a source of trans fat because cows hydrogenate fat in their stomachs.”
    简典