نتایج جستجو برای: treatment systems
تعداد نتایج: 2523001 فیلتر نتایج به سال:
Background and purpose: Phytoremediation (constructed wetland) is one of the most appropriate technologies for wastewater treatment. The aim of this study was to evaluate the efficiency of the combined anaerobic and phytoremediation systems for sanitary wastewater treatment. Materials and methods: This experimental study was performed during nine months to measure some parameters including C...
introduction phosphorus (p) is an essential element in crop nutrition, which can be growth limiting or an environmental contaminant, if present in excess. on the other hand, tillage practices have a direct effect on behavior and availability of soil p. since, application of different tillage methods lead to different patterns of soil phosphorus distribution, hence p fertilizer needs and p avail...
today, expert systems are widely applied in medicine for prognosis, diagnosis, checkup, and treatment of various kinds of diseases. a comprehensive system for the checkup and treatment of different types of diabetes is still lacking. this paper reports development of such a system, its validation, and its utility in facilitating medical decision-making and supporting self-care.
Medical electronlinear accelerators are the most practical radiotherapy facilities in cancer treatment. About 52 percent of patients are treated by these radiotherapy systems during their treatment process. However, in developing countries there are not enough systems and recent studies reported the shortage of 5000 megavoltage radiotherapy accelerators all over the world. According to internat...
in ordet to investigate economic efficiency of five cultural systems in sugar beet crop, including high input, medium input low input , high and medium inputs without 3 times irrigation after emergence, an experiment was conducted over two years (2002-2003) in agricultural and natural resources research center of khorasan. these systems were analysed by marginal analysis and linear program...
introduction: hematology section provides valuable information for diagnosis and treatment of patients to improve the health of them. in this regard hematology information system led to deliver produced information accurately and timely. present study aimed to analyze the situation of hematology information systems in hospital laboratories. methods: in this descriptive study, 13 hematology info...
the present study sought to investigate the role of dynamic assessment (da) in improvement of iranian efl writing performance at different language proficiency levels. to this end, after conducting the quick placement test, 60 iranian efl learners were assigned to two groups with different language proficiency levels. in both groups each participant wrote two compositions, one before and one af...
Abstract Drug delivery is one of the major issues in the world of science, which receives a large part of the research in various fields. The ultimate goal of drug delivery is to help the patient with developing advanced drug delivery systems. These systems revolutionize the treatment of many diseases including cancer. Effective drug carriers can significantly reduce the undesirable side effec...
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