نتایج جستجو برای: coral like nanostructure
تعداد نتایج: 674973 فیلتر نتایج به سال:
In this study, we investigated the spin dependent electronic transport of a fishbone-like nanostructure including two magnetic atoms at its ends. The electronic conductance of this nanostructure for three different orientations of atomic magnetic moments was numerically studied when the structure was sandwiched between two nonmagnetic leads. By using Green’s function technique at the tight-bind...
The present study sought to determine the interactions between coral reefs and physicochemical properties of water (depth, temperature, salinity, turbidity, dissolved oxygen, pH, chlorophyll a, and water current velocity) and seabed type and slope in Kish Island, Iran. The study area was divided into 19 zones (eight zones with and 11 without corals). Physicochemical properties of water for each...
Background and Objectives: ?????? Methods: ?????? Findings: ?????? Conclusion: ????? Coral ecosystems, like other natural habitats, are under effect by global warming. Every year we see the bleaching of corals in different parts of the world. Since the physical parameters of seawater are affected by meteorological phenomena, so in this study using ten-year data of oceanographic buoys, the ...
A novel type of 1D nanostructure with characteristics between those of a solid nanowire and a hollow nanotube, i.e. a peashell-like nanostructure comprising a 1D wire with periodically embedded hollow nanobubbles, is presented for the first time; as an example, MgO peashell-like nanostructures exhibit extraordinary dielectric and magnetization properties.
A controllable flower-like Au nanostructure array for surface-enhanced Raman scattering (SERS) was fabricated using the combined technique of the top-down approach of conventional photolithography and the bottom-up approach of electrodeposition. Au nanostructures with a mean roughness ranging from 5.1 to 49.6 nm were obtained by adjusting electrodeposition time from 2 to 60 min. The rougher Au ...
The Persian Gulf is northern part of the ROPME Sea Area (RSA), and is semi-enclosed shallow sea which located in subtropical climate. Measuring is 1000km in length, varying in width 60-340km, and average depth is about 35m and maximum depth is 105m. This research was carried out during 2005-2010 for reviewing the corals status and determination of coral reef habitats distribution in the Persian...
Artificial enzyme mimics have attracted considerable interest due to easy denaturation and leakage of enzymes during their storage and immobilization procedure. Herein we describe the design of a novel mimic peroxidase, a nanostructure of sheet-like FeS prepared by a simple micelle-assisted synthetic method. Such a nanostructure has a large specific surface area and high peroxidase-like activit...
A photoactivated gas detector operated at room temperature was microfabricated using a simple hydrothermal method. We report that the photoactivated gas detector can detect toluene using a UV illumination of 2 μW/cm². By ultraviolet (UV) illumination, gas detectors sense toluene at room temperature without heating. A significant enhancement of detector sensitivity is achieved because of the hig...
the persian gulf is northern part of the ropme sea area (rsa), and is semi-enclosed shallow sea which located in subtropical climate. measuring is 1000km in length, varying in width 60-340km, and average depth is about 35m and maximum depth is 105m. this research was carried out during 2005-2010 for reviewing the corals status and determination of coral reef habitats distribution in the persian...
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