نتایج جستجو برای: waterfalls
تعداد نتایج: 283 فیلتر نتایج به سال:
Water users consider the safety of water according to its aesthetic properties, primarily taste and odour. Geosmin (GEO) 2-methylisoborneol (MIB) are most common odour compounds in freshwaters which cause an earthy musty water. Since human nose can detect these concentrations as low 10 ng/L, it is essential monitor drinking waters before consumer complaints produce a timely solution. Therefore,...
Adaptation to novel habitats and phenotypic plasticity can be counteracting forces in evolution, but both are key characteristics of the life history of steelhead/rainbow trout (Oncorhynchus mykiss). Anadromous steelhead reproduce in freshwater river systems and small coastal streams but grow and mature in the ocean. Resident rainbow trout, either sympatric with steelhead or isolated above barr...
The mechanism whereby systole inhibits coronary blood flow was examined. A branch of the left coronary artery was maximally dilated with an adenosine infusion, and the pressure-flow relationship was obtained for beating and arrested states. The pressure-flow curve for the arrested state was shifted toward higher pressures and in the range of pressures above peak ventricular pressure was linear ...
Evidence is reported for balancing selection acting on variation at major histocompatibility complex (MHC) in wild populations of brown trout Salmo trutta. First, variation at an MHC class I (satr-uba)-linked microsatellite locus (mhc1) is retained in small S. trutta populations isolated above waterfalls although variation is lost at neutral microsatellite markers. Second, populations across se...
The objective of this study was to investigate how the earth dam is destroyed due to the effect of upstream and downstream slope of the body in overflow conditions. Therefore, eight models were provided that each model is constructed from the embankment dam with different upstream and downstream slopes (1:1, 2:1) and the soil properties (Sc) on breach formation. The time and method of dam break...
This paper can be considered as an addendum to the previous paper entitled "P algorithm, a dramatic enhancement of the waterfall transformation" [1]. In this former document, some suggestions have been made here and there, some ideas have emerged. These suggestions and ideas have unfortunately not be developped due to some lack of time and also because the authors did not wish to complicate the...
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