工学 >>> 力学 农业工程 林业工程 工程与技术科学基础学科 测绘科学技术 材料科学 矿山工程技术 石油与天然气工程 冶金工程技术 机械工程 光学工程 仪器科学与技术 动力与电气工程 能源科学技术 核科学技术 电子科学与技术 信息与通信工程 控制科学与技术 计算机科学技术 化学工程 纺织科学技术 印刷工业 服装工业、制鞋工业 轻工技术与工程 食品科学技术 土木建筑工程 水利工程 交通运输工程 船舶与海洋工程 航空、航天科学技术 兵器科学与技术 环境科学技术 安全科学技术 工业设计
搜索结果: 1-6 共查到工学 Abundance相关记录6条 . 查询时间(0.203 秒)
The ecological effects of logging in the tropics have been analysed largely in terms of its impacts on species diversity and abundance. However, information is very limited regarding the impact of lo...
Moderate resolution (< 50 m) optical sensors can provide multitemporal imagery of urban vegetation distribution and abundance. Given a rigorous, repeatable and verifiable method for estimating vegetat...
Few studies have measured the impacts of mowing on bird use of habitat and the risk of bird collisions with aircraft on North American airfields. The need for this research has increased as airfields ...
The condition factor, length-weight relationship and abundance of Elops senegalensis from Nkoro River in the Niger Delta area of Nigeria was studied for a period of one year (January-December 2008). ...
The condition factor, length-weight relationship and abundance of Ilisha africana from Nkoro River in the Niger Delta area of Nigeria was studied for a period of one year (January-December 2008). From...
The two-dimensional multibeam echo integration (2DMBEI) method, which provides the user with the target strength of a fish school, was derived analytically based on the theory of three-dimensional mul...

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...