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单词 pyrene
释义

pyrene /'paɪriːn//ˌpaɪə'rin/

英汉-汉英词典
n. 分核,小坚果
词组 | 习惯用语
您要查找的是不是:
  • pyre n. 火葬用的柴堆
  • pyroxene n. 辉石
  • prance n. 昂首阔步;(马)后足立地腾跃 vi. 腾跃;昂首阔步;欢跃
  • styrene n. [化]苯乙烯,苏合香烯

网络短语:
-benzo a pyrene 苯并芘
Ixias pyrene pyrene 橙粉蝶
polycyclic aromatic hydrocarbon pyrene 多环芳烃
Ixias pyrene pyrene UC 橙粉蝶
treated by benzo a pyrene 苯并芘
pyrene dyes 或苝染料
Pyrene stress 芘胁迫
Ixias pyrene 橙粉蝶
pyrene cas
Pyrene Acid 芘酸
英语例句库
  1. The Pyrenees separate France and Spain.
    比利牛斯将法国和西班牙分开。
  2. The Great Pyrenees even has a double dewclaw, an inherited trait called polydactyly, so that there are two bony digits instead of one.
    其次,“义趾”的形态和分布是多样的,迄今没有看到关于其发生和形态“遗传规律”的文献。

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中文百科

英语:pyrene, 读音bǐ, Unicode代码8298)是一种四环多环芳香烃类,分子式为C16H10,分子量202.26。

外观为淡黄色棱状晶体。熔点151.2℃,沸点404℃,密度1.271g/cm(23℃)。不溶于水,溶于乙醇和乙醚。

英语百科

Pyrene 芘

Structural formula of pyrene
Ball-and-stick model of the pyrene molecule
STM image of self-assembled Br4Py molecules on Au(111) surface (top) and its model (bottom; pink spheres are Br atoms).[4]

Pyrene is a polycyclic aromatic hydrocarbon (PAH) consisting of four fused benzene rings, resulting in a flat aromatic system. The chemical formula is C
16
H
10
. This colorless solid is the smallest peri-fused PAH (one where the rings are fused through more than one face). Pyrene forms during incomplete combustion of organic compounds.

近义、反义、联想词
近义词
n.
hydrocarbon, nutlet

联想词
benzene苯;fluorescence发荧光;methyl甲基;Zn元素锌的符号;cadmium镉;adsorption吸附;monomer单体;ligand配合基;arsenic砒霜;ethyl乙烷基;metabolite代谢物;
英英词典
pyrene n.
  1. a pale yellow crystalline hydrocarbon C16H10 extracted from coal tar
  2. the small hard nutlet of a drupe or drupelet; the seed and the hard endocarp that surrounds it
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更新时间:2025/6/17 5:27:16