نتایج جستجو برای: challenges and alternatives
تعداد نتایج: 16850776 فیلتر نتایج به سال:
using analytical hierarchical process (ahp), this research was done with aim of prioritizing alternatives and criteria of integrating entrepreneurship education in higher agricultural education. at first, respecting these alternatives and criteria, a three-level decision making tree was outlined. required data was collected through pair wise comparison through 27 questionnaires filled by sample...
background: sufficient intake of fruits and vegetables has been associated with a reduced risk of chronic diseases and body weight management but the exact mechanism is unknown. the world health organisation and food and agriculture of the united nation reports recommend adults to consume at least five servings of fruits and vegetables per day excluding starchy vegetables. this review focuses o...
suitable supplier selection is the most important factor in supplier chain management; so that correct decisions in this phase, caused to reduce costs, make permanent relationship with suppliers and strong competitive strategy in market. in this paper, by reviewing the past articles, important related criteria found and then weighting of criteria and evaluation of alternatives were done with fu...
wastewater reuse is an essential issue in water resources management. wastewater reuse alternatives application results in hazards that should be investigated for alternatives' risk analysis. the purpose of this study is to develop an algorithm for risk analysis of wastewater reuse alternatives. therefore, by integrating experts’ comments, risk evaluation and assessment model is developed,...
The time course of perceptual choice is discussed in a model of gradual, leaky, stochastic, and competitive information accumulation in nonlinear decision units. Special cases of the model match a classical diffusion process, but leakage and competition work together to address several challenges to existing diffusion, random walk, and accumulator models. The model accounts for data from choice...
This article summarizes current experimental knowledge on the efficacy, possible mechanisms and feasibility in the application of phytogenic products as feed additives for food-producing animals. Phytogenic compounds comprise a wide range of plant-derived natural bioactive compounds and essential oils are a major group. Numerous studies have demonstrated that phytogenic compounds have a variety...
The field of environmental informatics can clearly contribute to the achievement of the Sustainability Goals set up by the German Government. To do so, it has to investigate not only environmental aspects but also integrate social and economic aspects. In this work-in-progress paper this will be done by proposing a system for visualizing sustainable service and product alternatives (SALT). Star...
This paper addresses the problem of testing simple hypotheses about the mean of a bivariate normal distribution with identity covariance matrix against restricted alternatives. The LRTs and their power functions for such types of hypotheses are derived. Furthermore, through some elementary calculus, it is shown that the power function of the LRT satisfies certain monotonicity and symmetry p...
One of the big challenges in decision analysis is the assessment of a decision maker’s utility function. To the extent that the alternatives under consideration in a decision-making problem can be partially ordered based on less-than-full information about the utility function, the problem can be simplified somewhat by eliminating dominated alternatives. At the same time, partial orders can hel...
This paper tries to sum up the discussions held during the sessions of GREC’09, as well as at the final panel session. As it is always good to know where you are coming from, the paper briefly takes a look back at the discussions held two years earlier, before looking ahead at the future challenges for our research community. A number of points raised two years ago remain very much valid, but w...
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