نتایج جستجو برای: agriculture waste
تعداد نتایج: 144551 فیلتر نتایج به سال:
The health consequences of tobacco use are well known, but less recognized are the significant environmental impacts of tobacco production and use. The environmental impacts of tobacco include tobacco growing and curing; product manufacturing and distribution; product consumption; and post-consumption waste. The World Health Organization's Framework Convention on Tobacco Control addresses envir...
This paper describes an investigation on the use of a new composite construction material composed of plaster, sand, crushed gravel and date palm fibres of waste agriculture peels, having mechanical properties potentially useful in technical domains. Thermal conductivity and some mechanical and physical properties are investigated. The results showed that the incorporated vegetable fibres chang...
Humans continue to transform the global nitrogen cycle at a record pace, reflecting an increased combustion of fossil fuels, growing demand for nitrogen in agriculture and industry, and pervasive inefficiencies in its use. Much anthropogenic nitrogen is lost to air, water, and land to cause a cascade of environmental and human health problems. Simultaneously, food production in some parts of th...
The previous chapters focused on first generation biofuels. In this chapter we focus on second generation biofuels, specifically biofuels derived from cellulosic or lignocellulosic conversion. Advocates for the development of cellulosic conversion believe that second generation technology avoids many of the adverse consequences of first generation biofuels: it does not directly compete for food...
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