نتایج جستجو برای: gas demand security index
تعداد نتایج: 939570 فیلتر نتایج به سال:
Natural gas demand in the United States has been increasing for the last 15 years and is expected to increase substantially in the next 20 years (Energy Information Administration, 2003; National Petroleum Council, 1999). Demand is projected to increase in all sectors, especially electricity generation (Figure 1.1). In fact, 80 percent of projected electricity generation capacity additions thro...
Considering that the improvement of energy efficiency and the resulting rebound effect in the literature of energy economics is very important, hence the present paper uses the ARDL approach to estimate the direct rebound effect of the natural gas consumption in the residential sector in Iran. For this purpose, data from the period of 1986-2016 and the methodology based on the estimation of nat...
Organizations operating in the oil and gas sector face enormous challenges, including the pressing need to find and exploit new energy supplies, greater regulatory pressures, new workflow requirements, and the demands of a a changing professional labor force. At the same time, upstream companies face a serious and growing risk from cyber-attacks, malicious software, and other threats against th...
Organizations operating in the oil and gas sector face enormous challenges, including the pressing need to find and exploit new energy supplies, greater regulatory pressures, new workflow requirements, and the demands of a a changing professional labor force. At the same time, upstream companies face a serious and growing risk from cyber-attacks, malicious software, and other threats against th...
this paper focuses on the residential sector demand for electricity, natural gas and petroleum products (kerosene, gas oil and lpg) in iran in the context of a popular locally flexible functional forms - “the almost ideal demand system (aids)”. we pay explicit attention to the theoretical regularity conditions of positivity, monotonicity, and curvature. we treat the curvature property as a main...
An efficient indexing scheme for moving objects' trajectories on road networks p. 13 Spatial index compression for location-based services based on a MBR semi-approximation scheme p. 26 KCAM : concentrating on structural similarity for XML fragments p. 36 A new structure for accelerating XPath location steps p. 49 Efficient evaluation of multiple queries on streamed XML fragments p. 61 Automate...
The underpinning fundamental challenge of food security is to match supply and demand. In a simple world this challenge would be met by straightforward technology that balances these two market forces. However, we do not live in a simple world. Innovations to save labour in production, for example, would be damaging if they eliminate the only source of personal income for farmworkers. In other ...
BACKGROUND Tracheal gas insufflation reduces inspired tidal volume and minute ventilation in spontaneously breathing patients and may facilitate weaning from mechanical ventilation. OBJECTIVE To determine if tracheal gas insufflation can reduce ventilatory demand during weaning trials in patients who require prolonged mechanical ventilation. METHODS A reduction in ventilatory demand was def...
Increasing demand for fossil fuels due to the luxurious lifestyle, significant growth of population, transportation and the basic industry sectors has caused serious environmental problems. Moreover, a rapid decline in the fossil fuels has led scientists and researchers to look for new alternatives. In this regard, alternative fuels such as biofuels are becoming important increasingly due to en...
The material needs from our society are reaching the crisis point, as the demand for resources will soon exceed the capacity of the present fossil resource based infrastructure [1]. Currently, fossil-based energy resources, such as petroleum, coal, and natural gas, are responsible for about three quarters of the primary energy consumption in our world. While decreasing crude-oil reserves, enhan...
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