Results 151 to 160 of about 67,433 (297)
在全面总结国内外河流生态环境需水量研究进展的基础上,对有关河流生态环境需水研究的概念、内容和定量计算方法做了概述,指出了目前河流生态环境需水研究中存在的主要问题并进行了分析.
宋进喜, 李怀恩, 王伯铎
doaj
Abstract Consumer demand for ivory perpetuates the unsustainable and illegal killing of African elephants and other wildlife species. Interventions that aim to change consumer behavior are increasingly recognized as a crucial element of demand management. However, poor design and implementation have limited their effectiveness.
Molly R. C. Brown +2 more
wiley +1 more source
血管内皮生长因子(vascular endothelial growth factor,VEGF)是Mazur在研究胃肠道间质瘤过程中发现的一种具有血管再生的内皮细胞丝裂原,并于1983年报道[1],于1989首次从牛垂体滤泡星形胶质细胞体外培养液中分离提纯[2],随后对其结构、作用进行研究。最早的研究表明VEGF在肿瘤的发生、发展过程中扮演着重要角色。近年来VEGF的基础研究取得较大进展,其在缺血性心脑血管疾病 ...
韩英博 +3 more
doaj
Comprehensive framework for assessing and optimizing existing research networks
Abstract Conservation, monitoring, and research networks, or collections of ecological research sites unified under a common mission of data collection or a research mission, are essential infrastructure for understanding large landscapes. However, most networks developed opportunistically over decades rather than through systematic design, creating ...
Alyson East +2 more
wiley +1 more source
[Research Progress on the Mechanisms of Visual Cortical Plasticity]. [PDF]
Dong Y, Liu L.
europepmc +1 more source
Abstract In the western United States, conservation practitioners are increasingly working with private landowners to restore habitat for North American beavers (Castor canadensis) and to use nonlethal mitigation techniques when beavers damage crops and infrastructure.
Brian D. Erickson, Megan S. Jones
wiley +1 more source
Automating the analysis of public saliency and attitudes toward biodiversity from digital media
Abstract Measuring public attitudes toward wildlife provides crucial insights into human relationships with nature and helps monitor progress toward Global Biodiversity Framework targets. Yet, conducting such assessments at a global scale presents challenges.
Noah Giebink +8 more
wiley +1 more source
<正>《建筑钢结构进展》杂志以推动我国建筑钢结构事业的发展,促进相关理论研究及实用技术与新型产品开发,加强国内外学术交流,加快科研成果向生产力转化为宗旨,主要面向从事建筑钢结构研究、设计、制作 ...
doaj
[Progress in metabolomics of multiple myeloma]. [PDF]
Ye X, Sun ZX, Qu XY, Fan L.
europepmc +1 more source

