نتایج جستجو برای: chemical and pharmaceutical wastes

تعداد نتایج: 16880637  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یاسوج - دانشکده علوم 1391

in this investigation the effect of external field on the electron density of nanostructures of cds, cdse, cdte, gaas and polymeric structure of three, four, five and six units of cds as a kind of nanosolar cells has been studied theoretically. as modeling this system in nanodimension, molecular structures has used. specific properties of molecular structures permit us to consider different sym...

2012
Gregor D. Zupančič Viktor Grilc

Organic wastes under consideration are of natural origin that possess biochemical characteristics ensuring rapid microbial decomposition at relatively normal operating conditions. When considering the organic waste treatment we have generally in mind organic mineralization, biological stabilisation and detoxification of pollutants. Most common organic wastes contain compounds that are mainly we...

Ariful Basher, Devendranath Sarkar Mainuddin Ahmed Mohammad Ismail Hossain Mohammad Shaheduzzaman Nur Mohammad

Background: Acute poisoning is a major public health problem in Bangladesh. It is a common method for suicide. A clear picture regarding clinical presentation, most commonly used toxic agents, background factors and outcome of poisoned patients is necessary in every region. The aim of this study was to investigate frequency and outcome of acute pharmaceutical and chemical poisoning cases in Nor...

Journal: :Adsorption Science & Technology 2022

Activated carbon is a carbonaceous material with highly porous structure. Different functionalities can be introduced to its surface by various physical and chemical treatments. Various precursors used for the synthesis of activated such as fossil fuels, agricultural wastes, lignocellulosic etc. Number papers have been reported in literature devoted synthesis, characterization, applications car...

Regioselective synthesis of highly functionalized pyranopyrazoles was achieved in excellent yield from phenyl pyrazolone, substituted aromatic aldehyde with nitroketene-N,S-acetal in the presence of indium trichloride as a versatile catalyst under reflux condition in ethanol-water mixture. All reactions preceeded within a short period of time with excellent purity. All of the synthesized compou...

Journal: :E3S web of conferences 2023

Environmental protection in the Republic of Uzbekistan with a developed chemical, petrochemical, metallurgical and pharmaceutical industries is an important problem our time. To solve it, domestic copper-chromite catalyst “Chemex-203” was previously developed, which operated for long time energy-saving reversible reactor RKR- 10 process catalytic neutralization ventilation emissions highly toxi...

Journal: :journal of ornamental plants 2015
m. basirat

in order to evaluate the possibility use of palm waste cellulose as a substitute substrate for growing pot plants, an experiment was conducted in completely randomized block design with 6 replication and six treatments on aglaonema sp. the treatments were 5 levels including 0, 25, 50, 75 and 100 palm celluloid wastes mixed with different rates of some amendments such as peat, coconut coir, perl...

ژورنال: سلامت و محیط زیست 2011
اعظم, کمال, دهقانی, محمدهادی, عمرانی, قاسمعلی, فاضلی نیا, فاطمه, نبی زاده, رامین,

Background and Objectives: Not paying attention to management and control of medical wastes in different stages of production, keeping, gathering, transporting and finally eliminating them all have been creating various setbacks such that the environment and human's health are in danger with the relevant consequences. This descriptive cross-sectional study was performed in Vali-e Asr, Amir Kabi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1389

abstract the present research is prepared to study the culture of tea consuming among iranian. the case group which was statistically used for this study was people of lahijan , about four hundred wich were chosen according to their age , gender , education and occupation , randomly selected to fill the questionnaire . then the data collected through the questionnaire was analyzed according ...

2007
F. Akyuz

In this research samples from solid wastes coming out from various process steps during manufacturing of garment sheep skins, shoe upper goat skins, shoe upper hides and sole leathers have been collected. These samples have been classified among themselves and their characteristics have been determined by various chemical analysis. By characterization of solid wastes which state problems for th...

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