Saleh Alsayed

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This study is to evaluate the effect of air conditioning type on indoor air quality (IAQ) of healthcare facilities. The study was conducted by visiting several hospitals in Khartoum that use different type of air conditioning system. The tools used for data collection include questionnaire, personal communication as well as individual observation during the(More)
Sporosarcina pasteurii, a common soil bacterium has been tested for microbial treatment of cement mortar. The present study also seeks to investigate the effects of growth medium, bacterial concentration and different buffers concerning the preparation of bacterial suspensions on the compressive strength of cement mortar. Two growth media, six different(More)
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