نتایج جستجو برای: silicon si and silicon benomyl water
تعداد نتایج: 16975445 فیلتر نتایج به سال:
The effects of salinity and complementary silicon on some morphological traits of canola, cv. Talaiie, an experiment was done in greenhouse. Treatments were four levels of potassium silicate (0, 1, 2 and 3mM) and four levels of chloride sodium (0, 0.3, 0.6 and 0.9 g/kg soil). In normal condition application of silicon had not a significant effect on measured traits. Salinity decreased leaf area...
considering the positive effects of silicon on salinity resistance by some agricultural plants, an investigation was conducted with a completely randomized design of three replications. the main objective was to determine the effect of silicon on nutrient content and nitrate accumulation in lettuce. electrical conductivity was adjusted at 3 mmhos/cm through addition of nacl. silicon was added t...
Work function and surface energy per unit area were calculated in the framework of density functional theory (DFT) with Linearized A ug mented Plane Wave Plus Local Orbital method in full potential for a clean symmetric slab of silicon containing two (top and bottom) surfaces. The surfaces were theoretically modeled using supercell technique by stacking a variety of silicon layers along (111)...
Renewable energy research has created a push for new materials one of the most attractive material in this field is quantum confined hybrid silicon nano-structures (nc-Si:H) embedded in hydrogenated amorphous silicon (a-Si:H). The essential step for this investigation is studying a-Si and its ability to produce quantum confinement (QC) in nc-Si: H. Increasing the gap of a-Si system causes solar...
in the present paper, the flow and heat transfer of two types of nanofluids, namely, silver-water and silicon dioxide-water, were theoretically analyzed over an isothermal continues stretching sheet. to this purpose, the governing partial differential equations were converted to a set of nonlinear differential equations using similarity transforms and were then analytically solved. it was found...
in this work the conduction of ion-water solution through two discrete bundles of armchair carbon and silicon carbide nanotubes, as useful membranes for water desalination, is studied. in order that studies on different types of nanotubes be comparable, the chiral vectors of c and si-c nanotubes are selected as (7,7) and (5,5), respectively, so that a similar volume of fluid is investigated ...
The successive droughts and the degradation of water and soil resources quality (salinity and toxicity of nutrients like boron) are serious challenges for tropical fruit tree cultivation such as mango in Hormozgan province south of Iran. Using some nutrients like silicon is believed to be effective in order to mitigate the aforementioned problem. Hence, an experiment was carried out in which si...
Porous silicon layers have been prepared from n-type silicon wafers of (100) orientation. SEM, FTIR and PL have been used to characterize the morphological and optical properties of porous silicon. The influence of varying etching time in the anodizing solution, on structural and optical properties of porous silicon has been investigated. It is observed that pore size increases with etching tim...
We report density functional electronic structure calculations to monitor the change in the surface characteristics of the Si (100)-2x1 surface after fluorination followed by interaction with water. Embedded finite silicon clusters are used to model an extended Si (100)-2x1 surface. Two high symmetry pathways and subsequent adsorption sites were examined: (i) adsorption of an fluorine atom dire...
In this paper, we propose to optimize manufacturing methods of memory cells by produced silicon nanoparticles via electrical spark discharge of silicon electrodes in water to reduce the energy consumption for low power applications. The pulsed spark discharge with the peak current of 60 A and a duration of a single discharge pulse of 60 µs was used in our experiment. The structure, morphology, ...
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