نتایج جستجو برای: prevention and control
تعداد نتایج: 17032754 فیلتر نتایج به سال:
crimean-congo hemorrhagic fever is a tick-borne viral disease reported from more than 30 countries in africa, asia, south-east europe, and the middle east. the majority of human cases are workers in livestock industry, agriculture, slaughterhouses, and veterinary practice. the current mortality rate in endemic areas varies between 5 to 20 percent depending on the geographic location and medical...
conclusions it seems that, the preventive instructions are not optimally respected by ers possibly due to the crowded wards, high work load and the need to work rapidly. results cleaning blood tainted skin before phlebotomy or iv line preparation and hand washing before donning latex gloves achieved the maximum (88/150) and minimum (0/150) scores. the most observed barriers of pm were frequent ...
background postpartum hemorrhage is a significant cause of maternal mortality and morbidity, worldwide. objectives the aim of this study was to compare the efficacy between carbetocin and syntometrine in prevention of postpartum hemorrhage. materials and methods this study was a double blind randomized clinical trial that carried out on 200 pregnant women referred to shabiehkhani maternity cente...
background economic consequence analysis is vital for recognizing pipeline comprehensive risk analysis and emergency response planning. objectives the purpose of this study was to estimate economic loss due to fire and explosion in petrochemical feed and product pipelines. materials and methods the present study which performed on 47 pipelines of a petrochemical special zone, pertinent pipeline...
background improper use of pesticides has become a serious in regard to human health in recent years. overlooking safety regulations, using pesticides creates many problems and health hazards for people. objectives this paper aimed to investigate the use of pesticides by pistachio farmers in kerman, iran. materials and methods this study was conducted in chatroud county, kerman province, iran. ...
sange siyah dam is located two kilometers down the kabod khani village. the environ of ghorrve city in kurdestan province. this is an clay core dam. in this dam instrumentation is performed in three section and consist of electrical piezometers, total pressure cells, settlement cells and so on. the main objective of instrumentation is to control the behavior of dam body and foundation, end else...
in this thesis, we consider a mathematical model of cancer with completely unknown parameters. we study the stability of critical points which are biologically admissible. then we consider a control on the system and introduce situations at which solutions are attracted to critical points and so the cancer disease has auto healing. the lyapunov stability method is used for estimating the un...
two groups of students were assigned as experimental and control ones, and were given instruction on directed reading-thinking activities and after some treatment, they were post-tested. although the initial pre-test did not show any significant differences, the final post-test result revealed that the cooperative reading comprehension helped the experimental group. the cooperative students’...
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