理学 >>> 数学 信息科学与系统科学 物理学 化学 天文学 地球科学总论 大气科学 地球物理学 地理学 地质学 水文学 海洋科学 生物学 科学技术史
搜索结果: 1-10 共查到理学 snail相关记录10条 . 查询时间(0.084 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...
We conducted four dives using the Urashima autonomous underwater vehicle (AUV) over three hydrothermal vent fields (Snail, Archean, and Pika) within the South Mariana Trough in July 2009, and measure...
The Tibetan Plateau in south-central Asia, because of its size, elevation and impact on climate, is one of the world’s greatest geological oddities. The Zhada Basin on the southwest Tibetan Plateau, ...
We used population genetics to assess historical and modern demography of the exploited wavy top snail, Megastraea undosa, which has a 5–10 day pelagic larval duration. Foot tissue was sampled from ...
Tiny snails sitting on the ocean floor might seem defenseless against a large, determined predator such as a crab. But evolution has provided one species of sea snail with a unique iron-plated armored...
Researchers in Japan have altered the destiny of a rout of snails by changing the chirality of their shells before birth. By delicately manipulating a batch of developing embryos, the scientists succe...
The New Zealand mudsnail Potamopyrgus antipodarum is now on record from 15 prefectures of Japan, including the Hokkaido, Honshu and Kyushu islands. Due to its invasiveness, this species should be care...
This study investigates food consumption by juveniles and adults of the edible giant land snail Archachatina marginata under laboratory conditions. In one experiment, the snails were fed weekly from h...
This study assessed whether grazing by the snail, Lymnaea elodes, limits benthic dinitrogen (N2) fixation and primary production in nitrogen (N)-limited oligotrophic lakes near Toolik Field Station on...
In the present study, the larval development stages in the egg capsule of the Japanese snail (Rapana thomasiana, Gross 1861), distributed in the Black Sea were investigated. At the moment of capsule r...

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...