نتایج جستجو برای: petroleum price

تعداد نتایج: 99707  

Journal: :IJAEIS 2015
Isaac B. Oluwatayo Henrietta U. Ukpe

Nigeria is a dominant economic force in sub-Saharan Africa with a strong economy as well as booming oil and agricultural sectors. However, over-dependence on the production and export of oil as well as food imports has rendered the economy vulnerable to global price fluctuations. The increasing spate of fluctuations in the world price of oil affects not only the economic sector but also agricul...

The main aim of this survey is to investigate the evolution of the OPEC mode of behavior and link the evolution to some important events in the (global) crude oil market. The dominant conclusion of this survey confirms that the primary purpose of OPEC has been to coordinate and unify the petroleum policies of its member countries, in order to secure their individual and collective interests. OP...

Journal: :Journal of applied behavior analysis 2009
Xeres Delmendo John C Borrero Kenneth L Beauchamp Monica T Francisco

We conducted preference assessments with 4 typically developing children to identify potential reinforcers and assessed the reinforcing efficacy of those stimuli. Next, we tested two predictions of economic theory: that overall consumption (reinforcers obtained) would decrease as the unit price (response requirement per reinforcer) increased and that the cost and benefit components that defined...

The main disadvantage of biodiesel is its high price. The price of biodiesel depends on various factors such as the price of oil, methanol, catalyst, and labor. Among dif-ferent economic factors, oil accounts for the largest share of input costs of biodiesel production. In this study, first, suitable heterogeneous catalysts were identified for biodiesel production. Several studies were carried ...

Journal: :Chemical engineering research & design 2022

Many recent attempts to commercialize bio-succinic acid (bio-SA) ended be unsuccessful after a start flourishing moment. Furthermore, the improved environmental performance of bio-SA production processes compared petroleum-based SA is still uncertain. In this study techno-economic analysis was conducted comparing four manufacturing in terms net present value and minimum selling price. Two simul...

Journal: :European journal of public health 2012
Srinivasa V Katikireddi James A McLean

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