The graphical and Standard Methods for the determination of biochemical oxygen demand (BOD) were compared. Average means ± standard deviation of 228 ± 28 mg/L and 199 ± 25 mg/L for the Standard ...

THE retarded elastic extension of a high polymer under load can be represented by a series of Voigt elements, each consisting of a spring and dashpot in parallel. With each element is associated a ...

Graphical method helps plan security vulnerability analyses of transportation activities The value chain for any given chemical or process facility is a complex set of activities involving the company ...

Understanding and reducing noise from control valves is an important consideration for process facilities, especially those close to residential areas. After years of working with this issue, the ...

In a time-constrained situation, such as standing in line at a cafeteria or restaurant, it can be difficult for consumers to quickly calculate and use numerical nutrition information -- beyond the ...