نتایج جستجو برای: ecological requirements
تعداد نتایج: 301980 فیلتر نتایج به سال:
Traditional flood control systems always have a conflict with natural ones, i.e., rivers in cities are usually straight and smooth, whereas natural ones are according to ecological mechanisms. Social and economic developments in the modern world require a new system combining ecological needs and traditional flood control system. Ecological flood control systems were put forward and defined as ...
Diatoms are of significant ecological importance in aquatic ecosystems, which stems from their dynamic position at the base of the trophic web as primary producers. Because diatom communities have specific environmental requirements and respond rapidly to changes in environmental conditions they are often employed as a cost-effective method to assess anthropogenic impacts and health statuses of...
The regulation by law on recycling economy at the enterprise and ecological industrial park level serves as the base of leveled regulation by law on recycling economy. The recycle of enterprise internal sources is the key for developed countries developing recycling economy. Following the requirements of recycling economy, countries constitute relevant laws and regulations, offering an institut...
Environmental Water Requirements of Vallisneria nana in the Daly River, Northern Territory - Summary
The objective of the Commonwealth’s Environmental Flows Initiative (EFI) was to assist state and territory water resource agencies meet the COAG Water Reform requirements for making environmental water allocations. The NT received support due in part to the focus on water resource development shifting to Northern Australia and the concurrent lack of understanding about tropical water resources ...
In this paper we will continue the study of p-closed spaces. This class of spaces is strictly placed between the class of strongly compact spaces and the class of quasi-Hclosed spaces. We will provide new characterizations of p-closed spaces and investigate their relationships with some other classes of topological spaces.
What should and should not be considered an affordance is still an open issue. At the 2002 North American meeting of the International Society for Ecological Psychology, a symposium was held concerning this topic. The articles in this special issue are expanded versions of the papers presented at that symposium. To set the stage for those discussions, this article presents an analysis of the ev...
Abstract Story segmentation is an important problem in multimedia indexing and retrieval and includes detection of commercials as one of its component problems. Commercials appear regularly in television data and are usually treated as noise. Hence, filtering of commercials is an important task. This paper presents a system that detects and filters commercials from broadcast news data. While pr...
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