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Techno-economic optimization of a sustainable system to cogenerate power and water for remote areas

Clean Energy 2023年第3期7卷 602-619页

作者： sina akhavan shams Rouhollah Ahmadi School of New Technologies Iran University of Science&TechnologyTehranIran

In this study,a new water and power cogeneration plant,employing photovoltaic(PV)and photovoltaic-thermal(PVT)panels simultaneously,is designed and optimized for a village struggling to provide energy and potable water in *** system includes a solar energy unit to generate clean electricity and heat,and a reverse osmosis unit to produce drinking ***-economic optimization is performed by implementing a genetic algorithm,and a comprehensive water and energy management strategy is designed and presented in detail,expandable for future works.A new method,the logarithmic model,is used to calculate the depth of discharge(DOD)of lithium-ion batteries,which was previously a fixed and predetermined value in previous *** indices,the constraints of the optimization process,are also introduced to measure the reliabilities of different *** effects of the system components on total cost are investigated and a comprehensive sensitivity analysis is performed to find the best solution to increase the penetration of renewable-energy *** results reveal that considering the depth of discharge of batteries and water storage tank capacity as decision variables reduces the system’s life-cycle cost(by 5.1%for changeable DODs).Furthermore,the simultaneous use of PV and PVT panels decreases the life-cycle cost considerably by≤19%compared with the use of only PVT ***,the cost of the battery causes a decrease in the cost of electricity storage and the cost of producing and storing fresh water.

关键词： renewable hybrid system integrated water and power system PV-PVT-RO-battery system genetic algorithm optimization

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Effects of Citrullus colocynthis L. in a rat model of diabetic neuropathy

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Journal of Integrative Medicine 2020年第1期18卷 59-67页

作者： Mohadeseh Ostovar Abolfazl Akbari Mohammad Hossein Anbardar Aida Iraji Mohsen Salmanpour Salar Hafez Ghoran Mojtaba Heydari Mesbah shams Department of Traditional Persian Medicine School of MedicineShiraz University of Medical SciencesShiraz 73Iran Department of Physiology School of Veterinary MedicineShiraz UniversityShiraz 73Iran Department of Pathology School of MedicineShiraz University of Medical SciencesShiraz 73Iran Department of Pathology Shiraz Transplant CenterAbu Ali Sina HospitalShiraz University of Medical SciencesShiraz 73Iran Central Research Laboratory Shiraz University of Medical SciencesShiraz 73Iran Department of Pharmaceutics Center for Nanotechnology in Drug DeliveryPharmacy SchoolShiraz University of Medical SciencesShiraz 73Iran Department of Chemistry Faculty of Basic SciencesGolestan UniversityGorgan 49Iran Pharmaceutical Sciences Research Center Shiraz University of Medical SciencesShiraz 73Iran Endocrine and Metabolism Research Center Shiraz University of Medical SciencesShiraz 73Iran

Objective: This study investigated the biochemical, histopathological and physiological effects of Citrullus colocynthis on peripheral neuropathy in rats with streptozotocin(STZ)-induced ***: Seventy adult male Sprague-Dawley rats were included in the present study. Diabetes was induced in 60 rats, with a single intraperitoneal injection of STZ(65 mg/kg). After 4 weeks, the diabetic rats were assessed for neuropathy. Then, the diabetic rats with neuropathy were randomly divided into 6 groups for a 4-week treatment with gabapentin, oral administration of C. colocynthis fruit pulp powder(100 and 300 mg/kg per day), topical preparations as oil-based solution and ointment, or *** in metabolic, physiological, biochemical and histological parameters were considered as treatment ***: Metabolic outcomes(body weight and blood glucose level) were improved in the C. colocynthistreated groups as compared to placebo. Tail-flick and hot-plate tests also had lower latency in the C. colocynthis-treated groups. Measurement of oxidative stress markers(malondialdehyde, superoxide dismutase and catalase) showed the antioxidant effect of C. colocynthis. Histological evaluation of the sciatic nerve showed that C. colocynthis decreased the number of demyelinated and degenerated nerve *** the C. colocynthis-treated groups, the one receiving 100 mg/kg power per day orally had the best treatment ***: The present study showed that C. colocynthis fruit, through its antioxidant and hypoglycemic activities, has a positive effect in the treatment of diabetic neuropathy.

关键词： Citrullus colocynthis Diabetic neuropathy Diabetes mellitus Herbal medicine Natural medicine Traditional Persian medicine

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