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 ...

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 ...

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 ...

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 ...

A graphical method for selecting a symmetrizing power-law transformation is presented. The nonparametric procedure is simple, fast, and sufficiently precise for many practical purposes. It deals ...