English
全部
搜索
图片
视频
地图
资讯
Copilot
更多
购物
航班
旅游
笔记本
Top stories
Sports
U.S.
Local
World
Science
Technology
Entertainment
Business
More
Politics
时间不限
过去 1 小时
过去 24 小时
过去 7 天
过去 30 天
最佳匹配
最新
生物通
5月
埃迪卡拉纪盐岭组富有机质黑色页岩地球化学研究:揭示前寒武纪古 ...
本研究针对巴基斯坦波特瓦尔盆地埃迪卡拉纪盐岭组(ESRF)黑色页岩,通过生物标志物、碳同位素(δ13C平均-36.025‰)及有机岩石学分析,揭示其TOC高达36%、以I型干酪根为主的优质烃源岩特征,证实了分层咸水缺氧-硫化(euxinic)环境中藻类(绿藻、蓝细菌等)与微生物 ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
今日热点
AU Bondi Beach shooting
On his cancer treatment
Brown University shooting
Sherrone Moore charged
Crash in San Fernando Valley
US invalidates union contract
20 states sue Trump admin
Today in history: 1977
'Pulp Fiction' actor dies
Navy on Osprey safety issues
New York may lose $73M?
US soldiers, civilian killed
Expecting their first child
Files for bankruptcy
US Admiral Holsey retires
‘Miracle on Ice’ team honored
Quintanilla Jr. dies at 86
Trump handles coin toss
Truck explodes in Idaho
Wins the Heisman Trophy
Unveils health care plan
Jury orders to pay $40M
Arctic air sweeps across US
Launches campaign for gov.
Says top Hamas leader killed
In $2.5M, 1-year contract?
RU attacks two UKR ports
Belarus frees Nobel winner
SC measles cases rise
Spurs reach NBA Cup final
反馈