The ubiquity of phenanthrene series, chrysene series compounds, perylene and retene compounds in the sediment indicated that PAHs mainly came from the terrestrial plants.
在样品中检测到角鲨烯，表明这一地区存在生物甲烷合成和细菌作用，具有生成油气及天然气水合物可能性。
Chrysene
英语例句库
中文百科
䓛
䓛(chrysene)，又名1，2-苯并菲（1,2-benzophenanthrene）。
注解1：䓛，化学专用字，写法为在草头下方加“屈”，读音qū，Unicode代码44DB。
英语百科
Chrysene 䓛
Chrysene is a polycyclic aromatic hydrocarbon (PAH) with the molecular formula C
18H
12 that consists of four fused benzene rings. It is a natural constituent of coal tar, from which it was first isolated and characterized. It is also found in creosote, a chemical used to preserve wood.
- directional projection的意思
- directional properties的意思
- directional property的意思
- directional propulsor的意思
- directional pull的意思
- directional pulse modulation的意思
- directional quantization的意思
- directional radiation的意思
- directional radiation detector的意思
- directional radiation properties的意思
- directional radio的意思
- directional radioactive force的意思
- directional radiobeacon的意思
- directional radio beacon的意思
- directional radio radiation的意思
- directional radio signal的意思
- directional radio sonobuoy的意思
- directional radio telegraphy的意思
- directional ray的意思
- directional reading hardness test的意思
- directional receiver的意思
- directional reception的意思
- directional reflectance的意思
- directional reflectance coefficient的意思
- directional reflection的意思