We use Monte Carlo analysis to examine the potential of increased renewable generation to provide a hedge against variability in energy prices and costs. Fuel costs, electricity demand and wind generation are allowed to vary and a unit commitment and economic dispatch algorithm is employed to produce costminimising generation schedules under different levels of installed wind capacity. Increase...

This study examined a model in which the need for reassurance from others and the capacity for self-reinforcement mediated the relationships between two dimensions of perfectionism (evaluative concerns [EC] perfectionism and personal standards [PS] perfectionism) and anxiety and depression. Results from structural equation modeling of data from 295 college students from a large midwestern unive...

Working memory capacity is a strong positive predictor of many cognitive abilities, across various domains. The pattern of positive correlations across domains has been interpreted as evidence for a unitary source of inter-individual differences in behavior. However, recent work suggests that there are multiple sources of variance contributing to working memory capacity. The current study (N = ...

Humans appear to share with animals a nonverbal counting process. In a nonverbal counting condition, subjects pressed a key a numeral-specified number of times, while saying "the" at every press. The mean number of presses increased as a power function of the target number, with a constant coefficient of variation (c.v.), both within and beyond the proposed subitizing range (1-4 or 5), suggesti...

The objective of this work was to explain an apparent contradiction in the literature related to the relationship between mean and variance (or standard deviation) of soil moisture fields. Some studies found an increase in soil moisture variance with decreasing mean soil moisture, while others showed a decrease. The evidence of maximum variance in the mid-range of mean soil moisture was also re...

In cellular system, Fractional Frequency Reuse (FFR) is partition each cell into two regions which are the cell center region and cell edge region. The dissimilar frequency band is owed to each region in cell. The FFR method may reduce channel interference and achieve large system capacity and hence increases the throughput. Long Term Evolution (LTE) has developed a femtocell for indoor coverag...

1 Heat-capacity The heat capacity of MoPrP PrP C was computed using the variance of the potential energy distribution C v = 1 k B T 2 U 2 − U 2. (1) The distribution of the potential energy in the simulations together with the computed C v for MoPrP and alanine dipeptide systems are shown in Figure S1 and S2 respectively.

In this paper, the performances of using Fractional Frequency Reuse (FFR) schemes together with beamforming technique are presented. The key performances in terms of Signal-toInterference plus Noise Ratio (SINR) and channel capacity are compared. The beamforming antenna array have been both simulated and measured. The results show that the beamforming technique improves the channel capacity and...

there are many parameters that affect the sheet hydroforming process such as fluid pressure, material properties, interfacial friction between blank and tool surfaces, etc. in this paper, a fem-based taguchi method is used to determine the effects of forming parameters on the quality of part formability in the process of hydrodynamic deep drawing assisted by radial pressure. four important form...

the variability of temperature and precipitation is regarded as one of the main characteristics of the climate.precipitation and its results, especially results such as droughts, vary on different temporal and spatial scales. thepurpose of this paper is to determine the frequency of the inter-annual variability of the driest month in north-westiran. in order to obtain the best results, we used ...