نتایج جستجو برای: analytical methodology
تعداد نتایج: 401922 فیلتر نتایج به سال:
in this paper, we apply the local fractional laplace transform method (or yang-laplace transform) on volterra integro-differential equations of the second kind within the local fractional integral operators to obtain the analytical approximate solutions. the iteration procedure is based on local fractional derivative operators. this approach provides us with a convenient way to find a solution ...
contrastive rhetorical analysis as a way of understanding different ways through which writers from various cultural backgrounds shape their discourse was officially initiated by the works of kaplan (1966). this study tries to use the methodology to investigate the news reports in two american and iranian widely published newspapers. using the analytical methodologies of contrastive rhetoric an...
abstract this study evaluates the iranian pre-university english textbook in terms of needs, objectives, content, and methodology. the study was designed on the qualitative- quantitative survey basis using interviews and questionnaires, a researcher-made textbook evaluation checklist and a needs analysis questionnaire. the textbook evaluation questionnaire was used in this study to elicit the ...
in the future, competitive advantages will be given to organisations that can extract valuable information from massive data and make better decisions. in most cases, this data comes from multiple sources. therefore, the challenge is to aggregate them into a common framework in order to make them meaningful and useful.this paper will first review the most important multi-criteria decision analy...
We propose a coherent methodology for integrating different sources of information on a response variable of interest, in order to accurately predict percentiles of its distribution. Under the assumption that one of the sources is more reliable than the other(s), the approach combines factors formed from the data into an additive linear regression model. Quantile regression, designed for quanti...
OBJECTIVES MicroCT allows the complex canal network of teeth to be mapped but does not readily distinguish between structural tissue (dentine) and the debris generated during cleaning. The aim was to introduce a validated approach for identifying debris following routine instrumentation and disinfection. METHODS The mesial canals of 12 mandibular molars were instrumented, and irrigated with E...
This paper describes a new methodology for the systematic design of fuzzy PID controllers based on theoretical fuzzy analysis and genetic-based optimization. An important feature of the proposed controller is its simple structure. It uses a one-input fuzzy inference with three rules and at most six tuning parameters. A closed-form solution for the control action is defined in terms of the nonli...
The net storage heat flux (1QS) is important in the urban surface energy balance (SEB) but its determination remains a significant challenge. The hysteresis pattern of the diurnal relation between the 1QS and net all-wave radiation (Q) has been captured in the Objective Hysteresis Model (OHM) parameterization of 1QS. Although successfully used in urban areas, the limited availability of coeffic...
1. Portions of closed jejunal biopsies were gently homogenized in isotonic sucrose or sorbitol and centrifuged at 800 g for 10 min to prepare a cell extract. 2. The extract was fractionated in a single-step procedure by isopycnic centrifugation on a continuous sucrose or sorbitol density gradient with the Beaufay automatic zonal rotor. 3. The subcellular organelles were located in the density g...
The mortality rates from various tumor types can be reduced dramatically by use of highly active drugs. This is particularly true for platinum-based drugs, being among the most effective antineoplastic agents for a number of malignancies (e.g., testicular, ovarian, head and neck, and bladder cancers). Platinum coordination compounds have been successfully applied in cancer chemotherapy for more...
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