نتایج جستجو برای: i3 300 mm
تعداد نتایج: 279366 فیلتر نتایج به سال:
Developing an efficient material as a counter electrode (CE) with excellent catalytic activity, intrinsic stability, and low cost is essential for the commercial application of dye-sensitized solar cells (DSSCs). Transition metal phosphides have been demonstrated outstanding multifunctional catalysts in broad range energy conversion technologies. Here, we exploited different phases iron phosphi...
Exergy transfer and microwave heating performances of wheat straw particles as affected by power (250, 300, 350 W), feeding load (10, 30, 50 g), particle size (0.058, 0.106, 0.270 mm) were investigated detailed in this study. The results show that when the increased from 250 to W, average rate range 23.41–56.18 °C/min with exergy efficiency 1.10–1.89%. When 0.058 mm, decreased 20.59–56.18 0.70–...
shallot (allium altissimum regel.) is a medicinal, industrial and perennial plant that has underground tubers. it is one of the most important allium species in iran, which normally grows in semi-cold to very cold highlands. because of being a wild plant, shallot is encounter with water deficit during its growth season. therefore evaluation of water requirement of shallot is important. in order...
Plants are naturally exposed to frequent changes in environmental conditions such as salt stress affecting their growth and development, and consequently a considerable reduction in total productivity. Monodehydroascorbate reductase (MDHAR), a key enzyme in ascorbate-glutathione cycle, serves as an important antioxidative enzyme in scavenging of reactive oxygen spices (ROS). In this study, ...
The internally platinized wide bandgap semiconductor K4Nb6O17 can be sensitized by [(bpy)2Ru(4-(2,2′bipyrid-4-yl)-phenylphosphonic acid](PF6)2 (1). In aqueous iodide solutions at pH 2, the visible light photolysis of HI, to form H2 and I3, is catalyzed by 1/K4-xHxNb6O17/Pt. The strong bond between the surface and the phosphonate group of 1 allows one to adsorb other surface species, which decre...
کمپلکسی از pd(ii) با پیرولیدین دی تیوکربامات و 1،10 فنانترولین(phen) از واکنش [pd(phen)(h2o)2](no3)2 با نمک سدیم پیرولیدین دی تیوکربامات(pyrr-dtcna) تهیه شد. فرمول کلی این کمپلکس [pd(phen)(pyrr-dtc)]no3 است. این کمپلکس توسط آنالیز عنصری، هدایت مولی و طیف سنجی های ir ، uv-vis و 1h nmrشناسایی گردید. در این کمپلکس محلول در آب، لیگاند دی-تیوکربامات به صورت دودندانه به مرکز پالادیوم متصل شده است. ...
Speech prosody is processed in neither a single region nor a specific hemisphere, but engages multiple areas comprising a large-scale spatially distributed network in both hemispheres. It remains to be elucidated whether hemispheric lateralization is based on higher-level prosodic representations or lower-level encoding of acoustic cues, or both. A cross-language (Chinese; English) fMRI study w...
Fused Deposition Modeling (FDM), also known as material extrusion, is currently one of the most popular Additive Manufacturing (AM) technology on market. In this study, two commercial FDM printers (Prusa i3 MK3 and WN400 3D Platform) were used for layer-by-layer manufacturing polylactic acid (PLA) Dog Bone (DB) Single Edge Notched Bend (SENB) specimens, aimed at investigating influence paramete...
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