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词汇 pyrene
分类 英语词汇 英语翻译词典
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 芘
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

芘

芘（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
16H
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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