نتایج جستجو برای: hableh roud basin
تعداد نتایج: 57052 فیلتر نتایج به سال:
There are 22 species of Hamacantha registered from all over the world, and frequently from deep-waters, only two of which had previously been reported from the SW Atlantic. Here we describe a third species for this area, Hamacantha (H.) boomerang sp. nov., collected from deep-sea coral mounds at Campos Basin (off Rio de Janeiro state). We found oxeas 271-630 µm long, diancistras in three size c...
چکیده شیل های ارغوانی به عنوان یک عضو رسمی در قاعده سازند پابده در نقاط متعددی از زاگرس رخنمون دارند. به منظور بررسی چینه¬شناسی و محیط رسوبی شیل¬های ارغوانی در بخش شمالی حوضه زاگرس، 4 برش در استان ایلام در مناطق پاریاب، ملکشاهی، بیشه¬دراز و دره شهر به همراه برش الگوی سازند پابده واقع در تاقدیس گورپی در شرق استان خوزستان برداشت و مورد مطالعه قرار گرفت. در مجموع از این برش¬ها 507 اسلاید پالینول...
Extended abstract 1-Introduction The components of nature interact with each other in the form of an interconnected chain in such a way that the effect of each component cannot be ignored. On the other hand, these components and loops have a kind of autonomy and internal congruence, so that in another perspective, independence and independent identity can be considered for each of these loops...
In dynamical systems examples are common in which two or more attractors coexist and in such cases the basin boundary is non-empty. The purpose of this paper is to describe the structure and properties of basins and their boundaries for two-dimensional diffeomorphisms. If a two-dimensional basin has a basin cell (a trapping region whose boundary consists of pieces of the stable and unstable man...
The hydrothermal sediments of Guaymas Basin, an active spreading center in the Gulf of California (Mexico), are rich in porewater methane, short-chain alkanes, sulfate and sulfide, and provide a model system to explore habitat preferences of microorganisms, including sulfate-dependent, methane- and short chain alkane-oxidizing microbial communities. In this study, hot sediments (above 60°C) cov...
Recent concern about survival and recovery of highelevation white pine ecosystems has returned white pine blister rust (caused by Cronartium ribicola) to prominence as a significant threat to forest health in the western U.S. (Samman et al., 2003). This, in turn, has spurred new research into potential rustresistance mechanisms in high-elevation white pines, including whitebark (Pinus albicauli...
Unconventional shale-gas plays are formed by fine-grained organic-rich shales of tight-porosity and ultralow permeability which act as the source, seal, and the reservoir rock. The shale-as-reservoir has its beginnings in 1820 but commercial shale-gas wells were drilled in 1990s in Mississippian Barnett Shale of USA by Mitchell Energy after prolonged (about 17 years) experimentations and advanc...
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