نتایج جستجو برای: control and preventation
تعداد نتایج: 17001541 فیلتر نتایج به سال:
in this study, a macro-economic model consisting of twelve behavioral equations and fourteen identity equations was estimated with the aim of investigating the effectiveness of monetary and fiscal policies set out in the fourth and fifth development plans. in the estimated model, the variables of development expenditures, current expenditures and tax revenues are used as fiscal policy tools and...
the control of the configuration of the nise nanostructural thin films with temperature
the search for alternative ways of controlling sericultural pests has led to the investigation of plant sources for naturally occurring compounds which may have insect growth regulatory, feeding deterrency, repellency and confusantcy characteristics. more than 2000 species of the families asteraceae, fabaceae and euphorbiaceae are known that possess some insecticidal activity. plants with insec...
very little information exists in regards to the control options available for potato flea beetles, epitrix spp. this short review covers both chemical and ecological options currently available for control of epitrix spp. synthetic pyrethroids are the weapon of choice for the beetles. however, the impetus in integrated pest management is to do timely (early-season) applications with something ...
perioperative stress and anesthesia are risk factors for exacerbation of multiple sclerosis (ms) attacks. infection, emotional labiality and hyperpyrexia are also known to increase the risk of postoperative ms attacks. appropriate preoperative evaluation, administration of a good premedication, control of fever, selection of the anesthetic agents and effective postoperative pain control can pre...
the colorado beetle, leptinotarsa decemlineata (say), is the major defoliating and exotic insect pest of potato plants and has caused serious problems in the east azerbaijan and ardabil regions of iran since emerging in the absence of natural native enemies. in the development of a suitable control strategy based on integrated pest management, it is important to recognize control methods that d...
cytomegalovirus (cmv) and rubella are considered as dangerous viral infections to the fetus. the findings of this research can clear the possible progress made thus far toward prevention in this part of the country. the data of all referees to genetic center of shahid beheshti hospital in hamadan, including the rubella and cmv tests were recorded in questionnaires and analyzed by logistic regre...
objective: school-based interventions (such as life skills training) have become the mainstay for prevention of some behavioral problems. this study was conducted to evaluate the efficacy of a social skills training program on a group of students who were in the first grade of high school in an urban area of tehran, iran. method: in a before-after study, a kind of social skill education program...
background pertussis is a highly communicable, vaccine-preventable respiratory disease; which may circulate even in populations with high vaccination coverage. although frequent, but it is often underestimated as a cause of prolonged cough illness in both children and adults. without boosting, the protection of the childhood vaccination would be minimal after 10 years. the need for adult booste...
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