Energy (journal)

Energy is a peer-reviewed academic journal covering research on energy engineering that was established in 1976. It is published by Elsevier and the editor-in-chief is Henrik Lund (Aalborg University). According to the Journal Citation Reports, the journal has a 2013 impact factor of 4.159, ranking it 13th out of 83 journals in the category "Energy & Fuels" and second out of 55 journals in "Thermodynamics".

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External links

Energy (signal processing)

In signal processing, the energy of a continuous-time signal x(t) is defined as

the energy of a discrete-time signal x(t) is defined as

Relationship to energy in physics

Energy in this context is not, strictly speaking, the same as the conventional notion of energy in physics and the other sciences. The two concepts are, however, closely related, and it is possible to convert from one to the other:

For example, if x(t) represents the potential (in volts) of an electrical signal propagating across a transmission line, then Z would represent the characteristic impedance (in ohms) of the transmission line. The units of measure for the signal energy would appear as volt²·seconds, which is not dimensionally correct for energy in the sense of the physical sciences. After dividing by Z, however, the dimensions of E would become volt²·seconds per ohm, which is equivalent to joules, the SI unit for energy as defined in the physical sciences.

Spectral energy density

Seven Year Itch (Collective Soul album)

On September 18, 2001, Collective Soul released their greatest hits compilation Seven Year Itch: Greatest Hits, 1994-2001 (stylized as 7even Year Itch). The compilation includes songs recorded from 1994 to 2001 and included two new tracks; "Next Homecoming" and "Energy". Seven Year Itch received decent reviews and was relatively successful It sold 225,000 copies in the first year after its release and reached number fifty on the Billboard 200; in Canada, it reached number nine on its albums chart and went platinum. All the songs in Seven Year Itch had charted in the US on the Billboard Hot 100, Mainstream Rock Tracks, or the Modern Rock Tracks chart, except for "Energy", which debuted in this compilation.

The compilation has sold over 500,000 copies. It saw a resurgence in sales after Collective Soul began putting out albums on their own independent label, El Music Group, beginning in 2004.

Seven Year Itch was the last album Collective Soul released through Atlantic Records and their last album to feature guitarist Ross Childress, who had been with the band since its 1993/1994 debut.

Somali

Somali may refer to:

See also

Somali language

Somali /səˈmɑːli, soʊ-/ (Af-Soomaali [æf sɔːmɑːli]) is an Afroasiatic language, belonging to that family's Cushitic branch. It is spoken as a mother tongue by ethnic Somalis in Greater Somalia and the Somali diaspora. Somali is an official language of the Federal Republic of Somalia, a national language in Djibouti, and a working language in the Somali region of Ethiopia. It is used as an adoptive language by a few neighboring ethnic minority groups and individuals.

Classification

Somali is classified within the Cushitic branch of the Afroasiatic family, specifically as Lowland East Cushitic along with Afar and Saho. Somali is the best-documented Cushitic language, with academic studies of it dating back to the late 19th century.

Geographic distribution

The Somali language is spoken by ethnic Somalis in Somalia, Djibouti, Ethiopia, Yemen and Kenya, and by the Somali diaspora. It is also spoken as an adoptive language by a few ethnic minority groups and individuals in these areas.

Somali cat

The first Somali cats appeared in the litters of Abyssinians as long-haired kittens. In the 1940s a British breeder named Janet Robertson exported some Abyssinian kittens to Australia, New Zealand and North America. Descendants of these cats occasionally produced kittens with long or fuzzy coats. In 1963, Mary Mailing, a breeder from Canada, entered one into a local pet show. Ken McGill, the show's judge, asked for one for breeding purposes.

An American Abyssinian breeder Evelyn Mague, also received longhairs from her cats, which she named "Somalis". Don Richings, another Canadian breeder, used kittens from McGill, and began to work with Mague. The first Somali recognized as such by a fancier organization was Mayling Tutsuta, one of McGill's cats. As of the late 1970s, the Somali was fully accepted in North America. The new breed was accepted in Europe in the 1980s. By 1991, the breed was broadly (though not universally) accepted internationally.

Appearance

Colors and patterns