نتایج جستجو برای: microwave digestion

تعداد نتایج: 86421  

Journal: :Biomass & Bioenergy 2021

Valorisation of organic wastes in renewable energy production has attracted a global attention order to achieve sustainable industrial growth. Anaerobic digestion (AD) is considered be one the most environmentally friendly waste management technology and also fulfils necessity fuel generation. It much less demand than other technologies like gasification or pyrolysis due its low operation tempe...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان 1390

a one dimensional dynamic model for a riser reactor in a fluidized bed catalytic cracking unit (fccu) for gasoil feed has been developed in two distinct conditions, one for industrial fccu and another for fccu using various frequencies of microwave energy spaced at the height of the riser reactor (fccu-mw). in addition, in order to increase the accuracy of component and bulk diffusion, instanta...

Journal: :Environmental health engineering and management 2023

Background: Toxic metals enter the human food chain through water, soil, and plants. High consumption of dairy products makes it necessary to measure their concentrations in milk its products. Methods: In this study, four samples products, including milk, dough, yogurt, cream were selected. They spiked with 0, 20, 40, 60 μg/kg lead (Pb) cadmium (Cd) separately. all samples, concentration these ...

Journal: :Journal of Animal Science 2022

Abstract To our knowledge, there are few studies on the association between carbohydrate molecular structure spectral profiles of barley grain and ruminant-relevant nutritional characteristics. This study aimed to associate processing-induced changes in with profiles. The heat processing methods included: dry roasting, autoclaving, microwave irradiation. were determined which included chemical ...

Journal: :Journal of Cleaner Production 2023

The acid-free hydrothermal microwave–assisted selective scissoring (Hymass concept) of cellulosic substrates is gaining keen interest in the field materials science. Besides, implementing catalytic methodologies to upgrade side streams produced during this process could contribute better, holistic utilisation starting feedstock. This work depicts a zero-waste biorefinery concept based on cellul...

Journal: :Frontiers in sustainable food systems 2022

To evaluate the efficiency of oil-reducing properties kombucha cellulose, enzymolysis and microwave-assisted methods were developed. The water-holding capacity cellulose hydrolysates formed by these two was higher than for intact while oil-holding lower. used to make deep-fried donuts. During this process, added instead 2% flour, from results, oil content donut decreased significantly ~28 15%, ...

2016
Janja Vidmar Radmila Milačič Viviana Golja Saša Novak Janez Ščančar

The widespread use of titanium dioxide nanoparticles (TiO2NPs) in consumer products has led to an increase of their concentrations in the environment. For reliable determination of their total concentrations, the microwave assisted digestion procedure for the decomposition of nanoscale anatase and rutile was optimized and Ti concentrations were determined by inductively coupled plasma mass spec...

Journal: :Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements 2013
Emily House Anthony Polwart Philippa Darbre Lester Barr George Metaxas Christopher Exley

The aetiology of breast cancer is multifactorial. While there are known genetic predispositions to the disease it is probable that environmental factors are also involved. Recent research has demonstrated a regionally specific distribution of aluminium in breast tissue mastectomies while other work has suggested mechanisms whereby breast tissue aluminium might contribute towards the aetiology o...

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