نتایج جستجو برای: waste of timber cutting mills
تعداد نتایج: 21180876 فیلتر نتایج به سال:
While the use of timber harvests is generally accepted as an effective approach to controlling bark beetles during outbreaks, in reality there has been a dearth of monitoring to assess outcomes, and failures are often not reported. Additionally, few studies have focused on how these treatments affect forest structure and function over the long term, or our forests’ ability to adapt to climate c...
The technology of road construction is subjected to changes to cope up with changing vehicular pattern, construction materials and sub grade condition. Majority of the pavement failures could be attributed to the presence of poor sub grade conditions and expansive sub grade is one such problematic situation. Marine soils, because of the specific physico-chemical makeup are subjected to volume c...
Water can be considered to be the reason for existence and the main factor in formation of some of the traditional Iranian architectural structures. Innovative technologies such as [water] mills and water reservoirs etc. can be placed in this category. These structures are the result of the interaction of the previous generations with nature and utilising its various elements. The human of the ...
Water can be considered to be the reason for existence and the main factor in formation of some of the traditional Iranian architectural structures. Innovative technologies such as [water] mills and water reservoirs etc. can be placed in this category. These structures are the result of the interaction of the previous generations with nature and utilising its various elements. The human of the ...
the implementation of different silvicultural systems can be effective on different characteristics of forest stands, such as stand structure and diameter distribution of trees. this study was carried out in shafaroud forests of gilan province of northern iran. the objectives of this research were 1) to evaluate the suitability of different probability distribution functions, including weibull,...
Abstract Background and aims: Manual material handling activities in long and short periods may lead to complications such as laceration, fracture, cardiovascular stress, muscle fatigue, and musculoskeletal disorders especially in the vertebrae column. The purpose of this study was to assess ergonomic risk factors in workers of a stone cutting industry and the impact of ergonomic inter...
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