نتایج جستجو برای: energy security
تعداد نتایج: 834449 فیلتر نتایج به سال:
Using indicator-based assessment, this study examines the energy security of nine Association of Southeast Asian Nations (ASEAN) member countries to see how it has evolved over the past 12 years and identifies a country-specific energy security context for each country. The assessment uses 42 energy security indicators, which can be separated into five components: overall energy balance, socio-...
Energy security is of increasing importance in today’s world, yet little research has been carried out on the costs or benefits of energy security policies. This paper looks at the period after the 1970s to estimate the cost premium of electricity generation due to energy security policies. The cost premium is estimated for France, Germany, Italy and Spain for the period 1980-2000 by estimating...
Time-sensitive mobile commerce is vulnerable to message authentication delays. Significant power consumption incurred by cryptography is another limiting factor of most mobile devices. In this paper, we present a scalable mobile cryptosystem, which installs a group key and an elliptic curve private/public key pair in each device to enable both symmetric key and public key cryptography. We propo...
Governments around the world are expending considerable time and resources framing strategies and policies to deliver energy security. The term ‘energy security’ has quietly slipped into the energy lexicon without any meaningful discourse about its meaning or assumptions. An examination of explicit and inferred definitions finds that the concept is inherently slippery because it is polysemic in...
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