FORECASTING GOLD PRICE WITH AUTO REGRESSIVE INTEGRATED MOVING AVERAGE MODEL


Investigation of Tribological Behavior of Lubricating Greases Composed of Different Bio-Based Polymer Thickeners

One commonly used lubricant in rolling bearings is grease, which consists of base oil, thickener and small amounts of additives.Commercial greases are mostly produced from petrochemical base oil and thickener.Recently, the development of base oils from renewable resources have been significantly focused on blanket in the lubricant industry.However,

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A New Species from the Canary Islands Increases the Diversity of the Red Algal Genus Pterocladiella in the Northeastern Atlantic

Environmental and human factors are inducing a drastic decline in many marine algae in regions with a high floristic richness as in the Canary Islands.Simultaneously, undescribed algal species continue to be discovered, suggesting a probable loss in diversity, before being properly identified and catalogued.Turf-forming Gelidiales occur in marine l

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The concept of the innovative power reactor

The Fukushima accident reveals the vulnerability of existing active nuclear power plant (NPP) design against prolonged loss of external electricity events.The passive safety system is considered an attractive alternative to cope with this kind of disaster.Also, the passive safety system enhances both the safety and the economics of NPPs.The adoptio

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