نتایج جستجو برای: global average
تعداد نتایج: 804789 فیلتر نتایج به سال:
Background:Several IPCC scenarios have predicted a global temperature increase of 1.5°C by 2030 attributable to greenhouse gases (GHGs) including hydrofluorocarbons (HFCs) controlled the Kigali Amendment. Objectives:Thus, this study aims simulate in attributed only HFC emissions Togo, given that country is party amendment and Paris agreement. Methods:The methodology applied based on projection...
In this study, the impact of technological improvement and depletion in upstream sector on the average cost of oil and gas production in Iran is studied in 1967-2017. For this purpose, global technology diffusion trend is calculated, so five variables that have had the most effect on global upstream is considered. Using acquired trend for technology and taking other related determinants into ac...
Cardiovascular diseases have been reported to be the leading cause of mortality across globe. Among such diseases, Myocardial Infarction (MI), also known as “heart attack”, is main interest among researchers, its early diagnosis can prevent life threatening cardiac conditions and potentially save human lives. Analyzing Electrocardiogram (ECG) provide valuable diagnostic information detect diffe...
The current paper develops three different ways to measure the multi-period global cost efficiency for homogeneous networks of processes when the prices of exogenous inputs are known at all time periods. A multi-period network data envelopment analysis model is presented to measure the minimum cost of the network system based on the global production possibility set. We show that there is a rel...
The main objective of this work is to propose concrete time reduction strategies for discovery Wi-Fi Direct in Android. To achieve our goals, we perform a fairly general mathematical modeling the devices using Poisson processes. Subsequently, under asymptotic invariance hypotheses certain distributions, derive formulas expected discovery. We provide sufficient condition fast convergence an inva...
Monte Carlo simulations are used to compare the power properties of three simple tests for the seasonal differencing filter when the data contain seasonal mean shifts. Overall, the results favour the HEGY–GLN test. 2001 Elsevier Science B.V. All rights reserved.
Sensitivity analyses have been long used to assess the impacts of uncertainties on the outcomes. Several approaches have been suggested, but it has been problematic to get a quick overview of the total impact of the uncertainties. Here it is suggested that interval analyses could be used for global sensitivity analyses and a nuclear emergency case is used to illustrate the method. With interval...
In this paper, global optimisation and nonlinear simulation are used to search for the worst-case control demands which may be input by a pilot flying a modern high performance aircraft with a full authority flight control law. The flexibility of global optimisation is exploited to simultaneously search for worst-case pilot inputs and worst-case combinations of uncertain parameters in the nonli...
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