نتایج جستجو برای: chemical and pharmaceutical wastes
تعداد نتایج: 16880637 فیلتر نتایج به سال:
Background: Hospital waste need a very sensitive and cautious attention due to holding hazardous, toxic, and pathogenic factors such as infectious, pharmaceutical, pathological, chemical and radioactive left-overs. Thus, this study aimed to evaluate the observance of safety measures by workers responsible for collecting hospital wastes in the public hospitals affiliated to Tehran University of ...
maceutical industry for production of fine drug particles with narrow size distribution, separation of active ingredients and preparation of microemulsions and sustained drug delivery systems. Supercritical carbon dioxide (SC-CO2) is a very popular fluid for pharmaceutical applications, as it is nontoxic, non-flammable and of low cost. Furthermore, because of its low critical temperature and pr...
This research was conducted in order to investigate the possibility of using palm wastes compost as substrate for cultivation of Dieffebnbachia amoena at five levels (ratio of 0, 25, 50, 75 and 100% v/v as substitute for peat) and peat: perlite (4:1) treatment as control, as a randomized complete blocks design with three replications. Chemical and biological properties of palm wastes compost, p...
Introduction: Dental wastes due to having bacterial disease-causing agents and toxic chemicals are categorized in hazardous wastes. The aim of this study was to evaluate the quantity and composition of dental waste produced by general and specialized dental offices in babol city. Materials &Methods: From all dental offices (170 and 40 dental offices were related to general and specialized re...
in this project, some new polyaspartimides, (pas)s, have been synthesized form michael addition reaction between new synthetic bismaleimide (bmi) and some aromatic diamines. a characteristic property of this polyaspartimides is a pendent carboxylic group, which introduced to these polymers from new bismaleimide. bismaleimides (bmi) is one of the interesting compounds, which can be self-polymeri...
Recently, the major area of concern is the presence of the emerging pollutants in wastewaters, surface waters and ground waters. In most cases, the emerging contaminants refers to the unregulated pollutants, which can be included for future regulation depending upon research on their health effects and their occurrence. They generally includes surfactants, illicit drugs, endocrine disruptors, p...
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