نتایج جستجو برای: bulk agno3
تعداد نتایج: 77796 فیلتر نتایج به سال:
در فصل اول این پایان نامه مفاهیم اولیه معادلات حات از قبیل تعریف ، طبقه بندی معادلات حالت ، خواص مرتبه اول و دوم ناشی از معادله حالت و قانون حالات متناظر مورد بحث قرار گرفته است. در فصل دوم ، ابتدا مقدمه ای بر تاریخچه تغییرات معادلات نوع واندروالسی و سپس پارامترهای وابسته به دما ، شکل تابعی فشار - حجم و تکنیک های اختلال در استخراج معادله حالت مکعبی ارائه شده است.در فصل سوم ابتدا مختصری از تعداد...
The presence of contaminants in aquatic bodies causes stress responses in aquatic animals, especially fish, which ultimately affects the physiological condition of fish and reduces their immune function, so the use of immune stimulants such as prebiotics is essential. The aim of this study was to investigate the effect of different levels of pleurotus ostreatus on the histological characteristi...
It was shown that ointments containing silver compounds delay wound healing and increase the risk of hypertrophic scarring in burned patients. The aim of the study was to establish the influence of AgNO3 on cell viability and apoptosis of keratinocytes and fibroblasts in vitro. Foreskin was used to establish primary human keratinocyte and fibroblasts cell cultures. Keratynocytes grew in DMEM/Ha...
Silver nanoparticles integrated with a magnetic matrix such as Fe3O4 to form AgFe3O4 nanocomposites show some advantages in their applications as an antibacterial agent and heterogeneous catalyst. This material can be synthesized by a combination of electrochemical and reduction methods supported by ultrasonic route. The purposes of this study are to synthesize the nanocomposites by reduction m...
The aim of this study was to assess the ability of selected strains of cyanobacteria and microalgae to biosynthesize silver nanoparticles (Ag-NPs) by using two procedures; (i) suspending the live and washed biomass of microalgae and cyanobacteria into the AgNO3 solution and (ii) by adding AgNO3 into a cell-free culture liquid. Ag-NPs were biosynthesized by 14 out of 16 tested strains. In most o...
Water-soluble Ag-Au bimetallic nanostructures were prepared via co-reduction and seed-mediated growth routes employing poly-(4-styrenesulfonic acid-co-maleic acid) (PSSMA) as both a reductant and a stabilizer. Ag-Au alloy nanoparticles were obtained by the co-reduction of AgNO3 and HAuCl4, while Ag-Au core-shell nanostructures were prepared through seed-mediated growth using PSSMA-Au nanopartic...
در چندین دهه اخیر، تکثیر جهانی کامپیوترها، سیستم های الکترونیکی و تجهیزات قابل انتقال، باعث شده که طراحان و محققان تمرکز بیشتری بر طراحی سیستم های ولتاژ و توان پایین داشته باشند. یک ota ولتاژ و توان بسیار پایین در این پروژه پیشنهاد شده است. برای طراحی مدارات ولتاژ پایین، آینه جریان ها و طبقات ورودی و خروجی بررسی می شوند. روش های زیادی برای طراحی otaهای ولتاژ و توان پایین وجود دارد. یکی از این...
The effects of ethylene on tension wood formation were studied in 3-year-old Fraxinus mandshurica Rupr. var. japonica Maxim. seedlings in two separate experiments. In experiment 1, ethylene evolution of buds and stems was measured using gas chromatography after 0, 2, 4, 7, 14, and 21 d of treatment; in experiment 2, both aminoethoxyvinylglycine (AVG) and AgNO3 were applied to the horizontally-p...
HDL from healthy humans and lean mice inhibits palmitate-induced adipocyte inflammation; however, the effect of the inflammatory state on the functional properties of HDL on adipocytes is unknown. Here, we found that HDL from mice injected with AgNO3 fails to inhibit palmitate-induced inflammation and reduces cholesterol efflux from 3T3-L1 adipocytes. Moreover, HDL isolated from obese mice with...
Indolic secondary metabolites play an important role in pathogen defense in cruciferous plants. In Arabidopsis (Arabidopsis thaliana), in addition to the characteristic phytoalexin camalexin, derivatives of indole-3-carbaldehyde (ICHO) and indole-3-carboxylic acid (ICOOH) are synthesized from tryptophan via the intermediates indole-3-acetaldoxime and indole-3-acetonitrile. Based on feeding expe...
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