Change in the sedimentary environment of Wanquan River Estuary, Hainan Island,China

来源 :科学通报 | 被引量 : 0次 | 上传用户:lhmfly
下载到本地 , 更方便阅读
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
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<
其他文献
Black shales, cherts, and associated lithologies in the Early Cambrian of the Yangtze Platform yielded abundant phytoplankton, the earliest well preserved skele
Systematic grain-size analysis has found that Chinese loess generally shows bimodal distribution composed of overlapped coarse and fine components. Sedimentary
Fine particles play an important role in the atmosphere. Research on heterogeneous reactions on the surface of fine particles is one of the frontier areas of at
The Yangtze Block in South China is one of the important regions where Neoproterozoic glacial rocks are well developed and studied. However, the classification
Major chemical elements and Rb, Sr, Ba abundances were measured for loess samples from Chashmanigar loess-soil sequence in southern Tajikistan. And the degree o
Interdecadal and interannual timescales are dominant in the North China rainfall in rainy season (July and August). On the interdecadal timescale, the North Chi
近些年来,随着市场经济的不断发展,工业化进程的不断加快,对煤矿的需求量也在不断的增加,因此对煤矿开采工作的效率也提出了越来越高的要求.薄煤层开采具有一定的特殊性,因此
连续箱梁梁桥桥面具有行车舒适、节约材料、造型简洁美观、受力均匀、养护工程量小及抗震能力强等优点.在高速公路和城市道路高架桥建设中得到较为广泛用.但结构受力分析较为
Based on the digital elevation model (DEM), a new model for calculating possible sunshine duration (PSD) is completely described. Using this model, monthly PSD
China launched its third spaceship SZ-3 in March, 2002 on which the main remote sensor is the Chinese moderate imaging spectra radiometer (CMODIS). In this pape