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Sample Sentence for 烃

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1
The Alkene Double Bond: A Focus of Reactivity.
2
Polymers of propylene or of other olefins, in primary forms.
3
The two main classes of petrochemicals are olefins and aromatics.
4
DNA
Also, PAHs may affect the fetus' DNA directly.
5
绿
The green indicates the presence of complex molecules called polycyclic aromatic hydrocarbons.
6
使
The straight-chain alkanes exacerbate the problem of engine " knock ".
7
Polymers of vinyl chloride or of other halogenated olefins, in primary forms.
8
The article uses headspace gas chromatography to measure halogenated hydrocarbon in the sample water.
9
使
The heating coil melts the hydrates and partially stabilizes the hydrocarbon liquids.
10
The aromatics are ringed hydrocarbons, such as benzene, toluene and xylene. Benzene is used to make polystyrenes (e.g.
11
A
线
The ethoxyline resin is type A of bisphenol, cyclic hydrocarbon, linearity phenol formaldehyde and so on.
12
Keith
Dr Keith calls this approach "carbon-neutral hydrocarbons".
13
In urban areas motor vehicles are a major source of PAHs.
14
湿
Olefin is strong and resists moisture while acrylic is light and can resist sunlight.
15
The hydrocarbon content of this phosphate ore provides most of the heat needed for the calcination.
16
The Paleogene source rock in Jinhu depression, Subei basin, is characterized by "shallow maturation".
17
Sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated.
18
The good news, Perera said, is that levels of PAHs are declining in New York City.
19
From their findings they predicted that an alkane that was long enough would eventually cross over into hydrophilicity .
20
There is no evidence that the PAHs affected her daughter' s IQ.