quaternary的翻译与解释是什么
发布于 2023-10-08 18:40:49
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详情：
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quaternary
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音标：英 [kwə'tɜːn(ə)rɪ] 美 [kwə'tɝnəri]
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解释：
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adj. [数] 四进制的；四个一组的
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n. 四；四个一组
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英文词源：
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quaternary (adj.)
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early 15c., "consisting of four parts," from Latin quaternarius "of four each, containing four," from quaterni "four each, by fours," from quater "four times," related to quattuor "four" (see four). Also as a noun, "the number four" (mid-15c.), from Latin quaternarius.
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In geological sense, attested from 1843 in English, proposed 1829 by French geologist Jules Pierre François Stanislas Desnoyers (1800-1887) as name for "the fourth great epoch of geological time," but because it comprises only the age of man, and the other epochs are many hundred times longer, not all accepted it.
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双语例句：
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1. Cationics are usually quaternary ammomium salts.
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阳离子表面活性剂通常为季铵盐类.
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来自辞典例句
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2. The Quaternary sediments are largely undeformed.
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第四纪的沉积物大部分未变形.
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来自辞典例句
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3. Moreover , there is a chiral quaternary carbon in the 1 - hydroxyethylidenediphosphonic ( hedp ) ligand.
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证实1-羟基乙叉 -1,1-二膦酸配体 ( hedp ) 中的季碳为手性碳原子.
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来自互联网
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4. China's Datong group of volcanic Quaternary volcanic one of the group.
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大同火山群是我国第四纪火山群之一.
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来自互联网
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5. Iron - nickel - phosphorus - boron quaternary alloy electroless plating on copper panel was described.
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在铜基上化学镀铁 - 镍 - 磷 - 硼四元合金.
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来自互联网
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更多相关例句：
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Cationics are usually quaternary ammomium salts.
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阳离子表面活性剂通常为季铵盐类.【辞典例句】
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Moreover , there is a chiral quaternary carbon in the 1 - hydroxyethylidenediphosphonic ( hedp ) ligand.
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证实1-羟基乙叉 -1,1-二膦酸配体 ( hedp ) 中的季碳为手性碳原子.【互联网】
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Iron - nickel - phosphorus - boron quaternary alloy electroless plating on copper panel was described.
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在铜基上化学镀铁 - 镍 - 磷 - 硼四元合金.【互联网】
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Computational experiments have shown that protein primary sequence contains quaternary structure information.
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计算实验表明蛋白质一级结构包含着四级结构信息.【互联网】
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The silicone quaternary was synthesized reaction of - H silicone, unsaturated - ether, chloroacetic acid, dimethylamine.
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以低含氢硅油 、 不饱和聚醚 、 一氯乙酸和二甲胺为原料, 制备得阳离子有机硅油.【互联网】
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Various iodinated strong base quaternary ammonium anion exchange resins were prepared.
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制备了数种不同的强碱型阴离子碘化树脂.【互联网】
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The effects of different quaternary ammonium salts were studied.
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研究了季铵盐的种类、结构对插层效果的影响.【互联网】
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An antistatic agent of polyacrylamide quaternary ammonium compound was designed and synthesized.
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设计合成了聚丙烯酰胺季铵盐类的抗静电剂.【互联网】
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The quaternary excess volumes were predicted by using only binary parameter without any multicomponent parameters.
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在不引入任何多元参数的情况下,直接用二元参数预测四元系的超额体积.【互联网】
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A novel bi - pyridine quaternary ammonium salt cationic surfactants was prepared by acrylic modified rosin.
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普通松香通过丙烯酸改性,与氯化亚砜、甲醛、吡啶合成新型吡啶双季铵盐阳离子表面活性剂.【互联网】
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A great many proteins, especially enzymes, are oligomeric and consequently possess quaternary structure.
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很多蛋白质尤其是酶类, 是低聚物,因此拥有四级结构.【互联网】
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With chlorine and phenols, of categories, like supporting alternative use quaternary more good results.
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畜禽消毒剂特点:空气消毒.与含氯、酚类 、 氧化类 、 季铵盐类配套交替使用效果更加佳.【互联网】
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The electronic structure of a quaternary alloy has been investigated using EHT band calculation method.
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用紧束缚能带计算方法(EHT)研究了标题多元合金的能带及电子结构.【互联网】
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It was pointed out that the quaternary ammonium salt was the most important phase transfer catalyst.
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指出了此类合成反应中所采用的重要相转移催化剂是季铵盐类.【互联网】
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OBJECTIVE To study the synthesis of quaternary ammonium salt derivatives of haloperidol and their vasodilative activities.
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目的合成氟哌啶醇季铵盐衍生物及其还原物并研究它们的扩血管活性.【互联网】
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