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1. It is important to pay your electricity bill on time， as late payments may affect your . A. condition B. income ......
The Quaternary groundwater system in the North China Plain is formed mainly through the terrestrial water flow action on......
U-Pb Zircon Geochronology and Geochemistry of Granitoids in the Douling Group in the Eastern Qinling
LA-ICPMS U-Pb zircon dating of the Sanpinggou, Gangou and Fengzishan granitoids in the Douling Group of the Eastern Qinl......
Zircon U-Pb dating is the most commonly used method for isotopic geochronology. However, it has been a difficult issue w......
在当前的考古年代学体系中,考古年代学方法可大致归为绝对年代和相对年代的测年方法。作者认为,绝对年代测年方法大多根据单一变量......
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Geochemical characteristics of a 107 cm long sediment profile,collected from Ganquan Island,South China Sea,were analyze......
导读：保加利亚自然条件优越，拥有山地、丘陵、平原等多种地形，深受徒步者喜爱。 Bulgaria is a country with lots of mountains. ......
Angelababy started her career at age 14 as a model before going on to star in about 20 movies. For a while， all the publi......
With brilliant civilization during the transitional period from a original clan society to a state society in prehistory......
Zircon U-Pb age,trace elements,and Hf isotopes were determined for granulite and gneiss at Huangtuling,which is hosted b......
The results of the granulometrical and sequential analysis supported by micropaleontological dating using the foraminife......
Located at the west of the Linfen basin, the Luoyunshan piedmont fault zone controls the western boundary of the basin. ......
Wuhan is a city with both an ancient history and a thriving present. Historic relics excavated from ancient tombs tell t......
Global climate change and its possible ecological consequences have become the focused issue(IPCC,2007;Mann et al.,2008;......
The sedimentary facies of the subaqueous Changjiang(Yangtze) River delta since the late Pleistocene was studied based on......
Based on the landforms, sedimentary sequence, fossil fauna and flora, and paleoclimatereflected by them as well as 14~C......
例一 阅读短文，根据所给语境，按要求完成下列各题。（2010湖北省黄冈市） My son Joe started dating a young lady whose father ......
Rhenium-osmium isotope constraints on the age and source of the platinum mineralization in the Lower
The shale at the bottom of the Lower Cambrian black series in South China is rich in nonferrous metals, noble metals, ra......
In situ cosmogenic 10Be dating of the Quaternary glaciations in the southern Shaluli Mountain on the
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Discovery of a 1.0 Ma Yellow River terrace and redating of the fourth Yellow River terrace in Lanzho
Based on the aeolian loess sequence-stratigraphic division and paleomagnetic datings on terraces, we found that an undis......
Zircon SHRIMP dating from Qaidamshan granite shows that the granite age is 446 Ma, similar to that of eclogite in the UH......
In the east of Xiaolangdi, many river terraces are developed at the exit of the Yellow River Gorges. Among them the terr......
Twenty Yongzheng copper coins were fast dating by X-ray energy dispersive spectrometer with scanning electron microscope......
