理学 >>> 地质学 >>> 数学地质学 地质力学 动力地质学 矿物学 矿床学与矿相学 岩石学 岩土力学 沉积学 古地理学 古生物学 地层学与地史学 前寒武纪地质学 第四纪地质学 构造地质学 大地构造学 勘查地质学 水文地质学 遥感地质学 区域地质学 火山学 石油与天然气地质学 煤田地质学 实验地质学 地球化学 地质学其他学科
搜索结果: 1-15 共查到地质学 Species相关记录32条 . 查询时间(0.087 秒)
Scientists at the Florida Museum of Natural History and other institutions have discovered a new native Hawaiian land snail species, sounding a rare, hopeful note in a story rife with extinc...
Paleontologists have identified a new species of titanosaurian dinosaur. The research is reported in a paper published this week in the Journal of Vertebrate Paleontology and is funded by the National...
A College of Charleston professor has identified a new species of extinct dolphin that provides new evidence of feeding behavior in early cetaceans after a diver found the animal’s fossilized skull in...
An ancient sink hole in eastern Tennessee holds the clues to an important transitional time in the evolutionary history of snakes. Among the fossilized creatures found there, according to a new paper ...
A team of geologists at the University of Rochester has discovered a new species of bird in the Canadian Arctic. At approximately 90 million years old, the bird fossils are among the oldest avian reco...
A doctoral student at the University of Pennsylvania has identified a new species of fossil dog. The specimen, found in Maryland, would have roamed the coast of eastern North America approximately 12 ...
For video b-roll associated with this discovery, please contact Dena Headlee at dheadlee@nsf.gov.Palontologists have identified a new species of titanosaurian, a member of the large-bodied sauropods t...
WASHINGTON—An international research team, including a George Washington University (GW) professor, has discovered and named the earliest and most primitive pterodactyloid—a group of flying reptiles t...
After careful consideration of the semantics of status categories for mineral species names, minor corrections and disambiguations are presented for a recent report on the nomenclature of the pyrochlo...
Revisions to an earlier paper on the nomenclature of rare-earth mineral species are reported. Now, only the dominant element in a specified crystal-structure site within isostructural minerals may be ...
Natural processes in ecosystems shows significant variations in species richness with regular cycles that can be altered by natural or anthropogenic activities; the present research was in order to un...
Wildfires and prescribed fires burn many thousand of hectares of forest annually (Ulery et al., 1996). The intensity of forest burning is related to weather conditions, amount of fuel available and th...
Biological invasions have been identified as one of the human-induced global changes, which not only threaten native biodiversity but also cause a considerable economic loss both globally and locally....
A new species Conochitina rugata, earlier treated as nomen nudum, is formally defined. The species has been identified in the upper part of the Pirgu Stage in many East Baltic sections of the Baltica ...
The early history of heterodontid sharks is documented mainly by isolated teeth. So far, three different heterodontid genera have been recorded from the Jurassic: Proheterodontus from theMiddle Jurass...

中国研究生教育排行榜-

正在加载...

中国学术期刊排行榜-

正在加载...

世界大学科研机构排行榜-

正在加载...

中国大学排行榜-

正在加载...

人 物-

正在加载...

课 件-

正在加载...

视听资料-

正在加载...

研招资料 -

正在加载...

知识要闻-

正在加载...

国际动态-

正在加载...

会议中心-

正在加载...

学术指南-

正在加载...

学术站点-

正在加载...