participative management tries to help organizations to meet their goals and satisfy stakeholders to reach their purposes, and one of its subsystems is suggestion system which is a form of employee – to – management communication that benefit employees as well as employers. in iran and in relation to establishing participative management, the management and planning organization asked public or...

anaerobic digestion is a feasible technology to stabilize the solid waste generated inslaughterhouses obtaining significant quantities of biogas, considered as a clean and renewable fuel. this iswhy it is important to optimize the digestion process in order to eliminate organic matter and maximize theproduction of biogas. in this work, a system was developed for treating slaughterhouse solid wa...

1. Abstract: This project involves replacing a number of the currently used organic chemistry experiments with equally educational, yet more environmentally friendly experiments. Most of the fuels, materials, and medicines in our modern world have come about through advances in chemistry. Unfortunately, the production of these vital resources involves the formation of waste. However, new proces...

background: waste produced in dental clinics has been the topic of investigations for many years. these waste materials have important health impacts and are hazardous to humans and the environment. objective: to investigating solid waste production and its management in dental clinics in gorgan, northern iran. methods: in this cross-sectional study, 45 of 143 public dental practices and 5 of 2...

A key problem, which requires solution in today’s situation, is treatment of food waste. Nowadays waste mainly buried and it does harm to the environment people’s heals, pollutes air because dump gases (including greenhouse gases), soil water causes irreversible climatic changes. It necessary pass over such level production consumption, could minimize even eliminate formation. The authors artic...