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تعداد نتایج: 16919466 فیلتر نتایج به سال:
Background and Aims: Microhardness, sorption, and solubility are useful predictors of a resin composite’s clinical success. This study aimed to evaluate the effect of 60 days of water storage on the microhardness, sorption, and solubility of 3 commercial nanohybrid resin composites. Materials and Methods: Three nanohybrid composites were evaluated: GC Kalore (GC), Aura (SDI), and G-&aeli...
sensitivity of tomato fruit to low temperature and chilling injury limits the storage, handling and marketability of the fruit. as a recommended postharvest treatment, effects of hot water treatment (hwt) on reducing chilling injury and quality traits, variation of tomato fruits during storage life were investigated. tomato fruits were harvested at mature green stage. they were treated by hot w...
In this study, the radial distribution and gravimetric storage capacities of hydrogen on coronene (C24H12) and its Si substituted forms, C24H12, C24-nSinH12 (n= 4-24), have been investigated at 298 K and 0.1 MPa (standard situation) using (N,V,T) Monte Carlo simulation by Lennard-Jones (LJ) 12-6 potential. The results show that the increase of number of silicon substitution doesn’t have any eff...
One of the most important characteristics of fruit crops is susceptibility to decay and quality reduction during storage life. Crops with higher antioxidant capacity are tolerant to stress and have greater nutritional quality and storage life. Hence, to investigate the antioxidant capacity of two grape cultivars Ghezel uzum and Red hosseini a factorial experiment with 3 replications was carried...
Carbon–carbon bond formation is the core of organic synthesis, in which organometallic reagents play key role forms 1,2-nucleophilic additions, conjugate and transition-metal catalyzed cross-couplings. These reactions have enabled production a wide range molecules our society. Despite enormous power chemical they inherent drawbacks eyes future sustainability. This account summarizes efforts ove...
Application of natural compounds such as essential oils and plant materials as bio-products is known as an appropriately safe strategy for controlling decay and maintaining fruit quality. Pistachia atlantica essential oil (PAO) (ranging between 0, 200, 400, 600, 800, 1000 and 1200 µl l-1) was tested for antifungal activity against Botrytis cinerea in vitro conditions. Carboxymethyl cellulose (C...
gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...
Background and purpose: Bottled water is widely packaged and distributed in PolyethyleneTerphthalate (PET) bottles with plastic caps. Plastic materials in bottles, and other additives such as heavy metals, can leak into water during manufacturing or storage process in different ambient conditions. The main objective of this study was to investigate the effect of sunlight and environmental tempe...
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