The United States paper and paperboard industry has experienced significant structural changes over the past twenty-five years, including reductions in the number of mills, lower rates of capacity growth, employment cutbacks, and a loss of market share to foreign competitors. These structural shifts portray an industry that increasingly has difficulty adapting to a more competitive global envir...

Due to the ability of oils penetrate into structure polymers, it is possible create slippery surfaces with low water droplet sliding angles based on polymer coatings. Polylactic acid, polybutylene succinate and low-density polyethylene extrusion coatings were used as such in this study. The process penetration vegetable polymers was studied subsequent investigation behaviour system. Cottonseed ...

Utilization efficiency has been defined as the ratio of the amount of industrial roundwood (or wood pulp) consumed in a country and year to the amount that would have been consumed to produce the same output with a reference technology. The reference technology was described by the average input-output relationships in . countries of the Organization for Economic Cooperation and Development (OE...