In this work we investigated the structure of the iron-stimulated surface tension reducing substances produced by P. citronellolis 222A isolated from a 17-years old landfarming used for sludge treatment in petrochemical industries and oil refinery. Its mass spectrum differs from P. aeruginosa spectrum, indicating that the surface tension reducing substances produced by P. citronellolis can be a...

this survey aimed to evaluate the level of lead (pb) pollution in cattle in the vicinity of the shiraz oil and petrochemical industries using hair samples. dairy farms located within 10 km of the shiraz oil and petrochemical industries were identified and divided into four groups. farms that were located in the radial zones of 0.5-1.5 km, 1.5-5 km, 5-7 km, 7-10.5 km were considered as groups a,...

Buried or inaccessible piping systems within Nuclear Power plants present a challenge in terms of overall inspection. Limited access and complex piping configurations restrict the type of indirect or direct NDE methodologies which can be applied by inspectors. Due to the complexity of buried and above-grade piping systems routed in and around these facilities, many plants have been forced to lo...

In recent years, Jilin’s FDI(foreign direct investment) has grown faster, the amount of investment has been increasing, investing industries have presented variety, investing districts have been a steady expansion. Jilin province fostered a lot of powerful and large-scaled enterprise groups in three pillar industries--automobile industry, petrochemical industry and agricultural products process...