单词 | pyrene |
释义 | BETA Examples ofpyreneDictionary> Examples ofpyrene pyreneisn’t in the Cambridge Dictionary yet. You can help! Add a definition Fraction 2 contains 15.6 % phenanthrene, but also fluorene, anthracene, fluoranthene andpyrene. From theCambridge English Corpus Finally, thepyrenecover was opened and the seeds classified into three main groups. From theCambridge English Corpus From the 6234 pyrenes collected, empty pyrenes were separated and removed by two flotation episodes (23.3% of total), the remainder being employed in the experiment. From theCambridge English Corpus The following day, pyrenes were extracted manually from the fruits and the remains of the pulp were washed off with a water jet. From theCambridge English Corpus Pyreneis a nontoxic fluorescent compound whose fluorescence is quenched in the presence of oxygen. From theCambridge English Corpus Inside the tanks you suffered from the combined effects of the exhaust from the engine, the fumes from thepyrenefire-extinguishers and from petrol fumes. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 The type which has raised most concern and, as a consequence, for which most measurements have been made is benzo(a)pyrene. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0 Pyreneself associates in membrane and then excitedpyreneexcites otherpyrene. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. An example is benzo(a)pyrenethat is metabolized in two steps, oxidation and conjugation. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It has been used as a solvent probe, similar topyrene. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Pyrenegives birth to a serpent and runs away to the woods, afraid that her father will be angry. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Its fluorescence emission spectrum is very sensitive to solvent polarity, sopyrenehas been used as a probe to determine solvent environments. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As benzo(a)pyreneoccurs in tobacco smoke, the carcinogenic effects of tobacco may also be increased by kava consumption. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For instance the electron affinity for benzene is negative, as is that of naphthalene, while those of anthracene, phenanthrene andpyreneare positive. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Some of the chemicals released in this process are benzo(a)pyreneand other polyaromatic hydrocarbons. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Flowers are white or greenish white and the fruits are orange to brown, 23 cm long, with edible white pulp surrounding a 2-locularpyrene. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is not as thermodynamically stable aspyrenebecause its electrons can not resonate throughout the complete structure like the corresponding ones in pyrene. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For example,pyrenecontains 16 conjugated electrons (8 bonds), and coronene contains 24 conjugated electrons (12 bonds). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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