نتایج جستجو برای: possessing several rivers
تعداد نتایج: 890246 فیلتر نتایج به سال:
A new series of 1,2-diaryl-4,5,6,7-tetrahydro-1H-benzo[d]imidazoles, possessing trimethoxy phenyl pharmacophore, were synthesized to evaluate their biological activities as tubulin inhibitors. Cytotoxic activity of the synthesized compounds 7a-f was assessed against several human cancer cell lines, including MCF-7 (breast cancer cell), HEPG2 (liver hepatocellular cells), A549 (adenocarcinomic h...
Annual flooding in low-gradient rivers is recognized as an important subsidy between the river and its broad adjoining floodplains. Unfortunately, relatively few lowgradient rivers are unregulated and retain their natural "flood pulse" behavior in most developed regions of the world. Furthermore, attempts to quantify flood inundation dynamics of any river floodplain are scarce. We used aerial p...
The flood plains of lowland rivers frequently represent important sinks for suspended sediment transported through the river system. However, little is currently known about rates of overbank deposition by British rivers and, more particularly, whether such rates have increased in recent years in response to land use change. The fallout radionuclides Cs and Pb off ;r considerable potential for ...
OBJECTIVE(S) Describe unintentional drowning deaths in rivers, creeks and streams (rivers) in Australia and identify risk factors to inform prevention. DESIGN & SETTING This study is a cross-sectional, total population audit of all unintentional fatal drownings in Australian rivers between 1-July-2002 and 30-June-2012 using Australian coronial data. A modified Bonferroni test has been applied...
Paraschistur anielseni is one of the main species of Paraschistura genus that is distributed in freshwater rivers which drain into the Persian Gulf. There has not been any study on genetic diversity of this species yet. In this investigation, 90 samples were collected from the rivers Shapour, Dalaki (Fars province) and Mand (Bushehr province) (30 samples per river) to investigate their populati...
In Mediterranean seas and coastal zones, rivers can be the main source of mercury (Hg). Catchment management therefore affects the load of Hg reaching the sea with surface runoff. The major freshwater inflows to the Baltic Sea consist of large rivers. However, their systems are complex and identification of factors affecting the outflow of Hg from its catchments is difficult. For this reason, a...
Rivers are among the main sources of marine litter, especially for semi-isolated sea areas with high populations and intense economic activity. The Black Sea located in Eastern Europe is an example such area, whose watershed basin under anthropogenic pressure. In this study, we report results first long-term monitoring program floating litter at several rivers inflowing to northeastern part Sea...
Researchers have independently documented the effects of land use on rivers and threats to river management institutions, but the relationship between changes in institutional context and river condition is not well described. This study assesses the connections between resource management institutions, land use, and rivers by integrating social science, geospatial analysis, and geomorphology. ...
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