demographic changes in germany show the fastest progress of all european countries and are not only influencing socioeconomic issues but also the management of patients with their individual risc profile. especially severely injured elderly constitute a group of patients who need specific attention due to their individual age related pathophysiological processes. 21% of the german population we...

BACKGROUND Biologically based dose-response (BBDR) models can incorporate data on biological processes at the cellular and molecular level to link external exposure to an adverse effect. OBJECTIVES Our goal was to examine the utility of BBDR models in estimating low-dose risk. METHODS We reviewed the utility of BBDR models in risk assessment. RESULTS BBDR models have been used profitably ...

several laundry houses throughout tehran consume a large amount of water each day and discharge the resulting wastewater into septic tanks or municipal sewage system without any suitable pretreatment. this would result in severe contamination and other serious environmental issues. in the present study, performance of electrocoagulation/flotation process with aluminum and iron electrodes is com...

a general overview on the prospective of various oxidation and combined processes in the treatment of tannery industry effluent are reported. various oxidation and combined processes such as uv/h2o2/hypochlorites, fenton and electro-oxidation, photo-chemical, photo-catalytic, electro-catalytic oxidation, wet air oxidation, ozonation, biological followed by ozone/uv/ h2o2, coagulation or ele...

Glaser (1980) noted that assessing treatment and treatment processes had not been a high priority in the alcohol treatment field. Subsequent to his observation, however, a surge of interest in treat­ ment assessment has taken place among adminis­ trators, researchers, and clinicians. Indeed, a recent issue of Substance Use & Misuse (Magura 2000) contained several articles on substance abuse tre...