Occupational asthma (OA) can improve after cessation of exposure; however, some patients suffer from persistence or aggravation of their asthmatic symptoms. Here we report a case of a new sensitization to house dust mites during the follow-up period in a 37-year-old female patient with OA induced by cefteram pivoxil powder (cefteram powder). She was previously diagnosed with OA caused by inhala...

New transient suppressors using meta l oxide varistors offer improved protection of appliances and consumer electronics against overvoltages. This improvement, however, could be at t h e risk of imposing excessive duty on t h e suppressor in case of a very severe lightning s t roke near the house where these suppressors a r e installed. A simulated house wiring system was subjected to three lev...

In this research multiple-regression analysis with stepwise selection method was employed for investigating the effectof vertical building envelopes solar radiation (Evr) on cooling energy consumption (E cooling) in residential sector.The high capacity of solar energy in semi-arid climate (Shiraz) can provide a part of buildings required energy. Dependson house orientations in two directions of...