نتایج جستجو برای: measurement difm
تعداد نتایج: 441090 فیلتر نتایج به سال:
in this thesis protic and aprotic ammonium-based ionic liquids were synthesized and their surface tensions were measured in the range of 298-373k. the protics are alkyl ammonium-based ils with the carboxylate (formate, acetate, propionate) anion and aprotics are quaternary ammonium-based ils with bis(trifluoromethylsulfonyl)imide anion. capillary rise method was used for surface tension measure...
background : cement industry has many process units. basically all of these units can be considered as a source of noise. since noise pollution is defined based on its offensive hearing effects, the importance of the noise sources depends directly on the number of workers in the unit. materials and methods : an experimental study has been done at tehran cement factory to recognize and analyze...
i ntroduction: we studied and measured facial parameters of 160 students,aged 22-24 years attended at sahand university of technology in northwest of iran. mat erial and methods: in this paper, six linear and six angular facial parameters are measured. these parameters are measured in frontal and profile facial images. the measured values are the mean and standard deviation (sd) of distance bet...
background and objectives: evaluating the performance of clinical units is critical for effective managementof health settings. certain assessment of clinical variables for performance analysis is not always possible,calling for use of uncertainty theory. this study aimed to develop and evaluate an integrated independentcomponent analysis-fuzzy-data envelopment analysis approach to accurate the...
background: recently, quality is a serious concern in development of organizations. there are various indicators to assess quality and the purpose of this study was to identify the main indicators for quality measurement of iranian health centers. methods : this qualitative study was conducted in three stages: first, review of the literature was performed to identify different indicators for ...
background: a key challenge for equality evaluation and monitoring, mainly in developing countries, is assessing socioeconomic status of individuals (ses). this difficulty along with low technical competency, have resulted in many health information collected in these countries to be devoid of suitable ses indices. however, simplifying data collection requirements for estimating economic parame...
Temperature measurement in microwave systems is essential for thermally driven processes, namely, catalytic reactions and ceramic sintering. Although, the application of direct thermometry methods, namely, thermocouples, have been commonly articulated in the available literature, however, contacted temperature measurement mechanisms have aroused concerns associated with the disruption of the el...
this article examines the number of arabic dialects, reminding their majority in a comparative and a practical way. then comes the words of ibn jinni in unusualness and usualness in the language and its four types and represents them as stated in ibn jinni’s books and specially their characteristics. also shows that the purpose of reading the unusualness does not mean they are in unusual dialec...
background and objectives: this study aimed to validate the west haven-yale multidimensional pain inventory (whympi) for iranian patients with chronic pain. methods: 585 patients with chronic pain in legs, back, hands, neck and shoulders were entered into this study. the west haven-yale multidimensional pain inventory (whympi) was used for assessment of pain in these patients. for validation of...
background: the need to relieve pain and inflammation after periodontal surgery and the side effects of systemic drugs and advantages of topical drugs, made us to evaluate the effect of diclofenac mouthwash on periodontal postoperative pain. methods: in this double-blind, randomized clinical trial study 20 quadrants of 10 patients(n=20) aged between 22-54 who also acted as their own control...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید