نتایج جستجو برای: 2 waste of tars
تعداد نتایج: 21479365 فیلتر نتایج به سال:
in this thesis, phosphorus ylides [phbppy], [no2bppy] and [brbppy] have been synthesized through the formation of phosphonium salt and dihydrogenation, followed by the reaction of pd(oac)2 and the orthopalladated dinuclear complexes [pd(?-cl)(phbppy)]2, [pd(?-cl)(no2bppy)]2 and [pd(?-cl)(brbppy)]2 have been produced. the reaction of dinuclear complexes and bidentate ligands [l = bipy (2,2-bipyr...
Background and Objective: Nowadays, in metropolitan areas, principled and hygienic waste management is very important. Recycling is one of the most appropriate options in waste management. Hereof, the present study was aimed to investigate the possibility of using textile waste fibers in the manufacture of Medium Density Fiberboard (MDF). Materials and Methods: This experimental study was perf...
Based on the official statistics of industries and mines organization about 1000 tons of waste of spaghetti in spaghetti- producing plants, and around 7500 tons of waste in chickpea pre-cleaning plants are produced annually in the East Azarbayjan province. In order to determine chemical composition and metabolizable energy of the above mentioned waste, at first classified random sampling from 1...
Based on the official statistics of industries and mines organization about 1000 tons of waste of spaghetti in spaghetti- producing plants, and around 7500 tons of waste in chickpea pre-cleaning plants are produced annually in the East Azarbayjan province. In order to determine chemical composition and metabolizable energy of the above mentioned waste, at first classified random sampling from 1...
Introduction: Optimization of waste collection systems can reduce waste management costs. In this study, optimization of the waste collection system of district 3 of Yazd municipality of Iran has been investigated using underground containers. Materials and Methods: In this research, after collecting information and performing field inspections, the statistical and raster information obtained ...
Background: Biomedical waste generated from health and health-related activities can be grouped as general waste and hazardous waste. This remains true if and only if there is proper on-site handling, such as the segregation and separation of waste based on the type and nature of the source. Methods: A stratified random sampling design was used to provide representative results for Ethiopia, f...
Background and Objectives: Hospitals usually generate large amounts of hazardous waste. If not managed properly, hospital waste can pose threats to public safety and damage the environment. Waste minimization is a waste management approach that focuses on reducing the amount and toxicity of hazardous wastes. This study pursues a two-fold purpose: 1) to gain insight into hospital waste minimizat...
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