نتایج جستجو برای: storage facilit
تعداد نتایج: 184096 فیلتر نتایج به سال:
In the present study antioxidant compounds of oil of olive cultivar Roodbar and their changes during storage of fruits after harvesting were investigated with key sensory oil properties. Characteristics such as total polyphenols (TP), total antocyanins (TA) and their antioxidant activities were assessed countinuously for a period of 12 days (every three days). The results showed that the quanti...
Many researchers have investigated how to increase the overall efficiency of solar-driven thermal systems. Several key parameters, such as collector efficiency and storage tank characteristics, may impose some constraints on the annual solar fraction (ASF) of such systems. In this paper, the behaviour of integrating the phase change material (PCM) in SDHW systems is modelled and optimized n...
The effect of broad-leaved forest trees (Alnus glotinusa, Ulmus glabra, Popolus caspica and Parrotia persica) and their canopy position on soil C and N storage and mineraization in the plain forest areas of Noor was investigated. Soil samples were taken from two positions (near and away from the main stem) with the microplots of 30×30×15 cm. Litter (C and N), soil physical (bulk density, textur...
Background: Platelets rapidly lose their qualities usually after 5 day of storage. Different standard methods have been recommended to check the quality of platelets during storage which some of them show better correlation with other quality markers during storage. The purpose of this study was to demonstrate if platelet factor 3 (PF3) assay could be an indicator of storage lesion and provide ...
Background: As increase of cytokines (like IL-1 , IL-6 , IL-8 and TNF- ) in platelet concentrates (PCs) during storage are involved in Febrile Non Hemolytic Transfusion Reactions (FNHTRs) after Platelet transfusion, the aim of this study was the survey of these cytokines level in PCs produced in Tehran Blood Center. Materials and Methods: This study proposed to determine if WBC reduction in P...
The behaviour of Escherichia coli O157:H7 was studied during the manufacture and storage of Iranian white cheese in brine. Cheese was manufactured using pasteurized cow milk and inoculated with E. coli O157:H7 with inoculum level of 103 cfu/ml. Four treatments were designed. Cheeses were made with or without starter culture and kept immersed in 6 or 8% salt brine during ripening and storage. Ch...
Magnesium hydride is one of the hydrogen storage materials in solid state that is taken into consideration due to its high storage capacity. This paper investigates the adsorption of magnesium and nickel catalyst combination in 473 K at 2.0 and 3.5 Mpa. A planetary ball mill is used in order to produce fine particles and to increase adsorption. A volumetric method (Sievert) is used for hydrogen...
The effect of delayed icing on the quality of banana shrimp (Fenneropenaeus merguiensis) was investigated by determining sensory, physicochemical (pH, TVB-N and WHC), microbial (TMC, total mesophilic counts and TPC, total psychrophilic counts) and microstructure aspects over 20 days during ice storage. The fresh shrimp stored in the immediately iced after caught (lot I) were organoleptically ac...
in this study, the antimicrobial effect of sea cucumber extract (0.5, 1 and 2%) on the microbial population of rainbow trout fillets during refrigerated storage was examined. fillets were stored for 16 days and every 4 days microbial tests (including total bacterial load, pseudomonas, enterobacteriaceae and h2s producing bacteria) were performed on the samples. results showed that there was no ...
Oils extracted from plants have been used since ancient times and in many cultures .frying oils are used in many countries all around the world including Iran. Therefore it is of great importance to ensure the safety of these food products which are usually delivered in polyethylene terephthalate (PET) bottles. This study has investigated the effect of storage time and temperature on the migrat...
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