Pascua

Pascua is a genus of gobies native to the Pacific Ocean. The origin of the name "Pascua" is from the Spanish for "Easter" in recognition of the Easter Island range of the type specimen.

Species

There are currently two recognized species in this genus:

References

Del

Del, or nabla, is an operator used in mathematics, in particular, in vector calculus, as a vector differential operator, usually represented by the nabla symbol ∇. When applied to a function defined on a one-dimensional domain, it denotes its standard derivative as defined in calculus. When applied to a field (a function defined on a multi-dimensional domain), del may denote the gradient (locally steepest slope) of a scalar field (or sometimes of a vector field, as in the Navier–Stokes equations), the divergence of a vector field, or the curl (rotation) of a vector field, depending on the way it is applied.

Strictly speaking, del is not a specific operator, but rather a convenient mathematical notation for those three operators, that makes many equations easier to write and remember. The del symbol can be interpreted as a vector of partial derivative operators, and its three possible meanings—gradient, divergence, and curl—can be formally viewed as the product with a scalar, dot product, and cross product, respectively, of the del "operator" with the field. These formal products do not necessarily commute with other operators or products.

Deel (clothing)

A deel (Mongolian: дээл [teːɮ]; Buryat: дэгэл) is an item of traditional clothing commonly worn since centuries ago among the Mongols and other nomadic tribes of Central Asia, including various Turkic peoples, and can be made from cotton, silk, wool, or brocade. The deel is still commonly worn by both men and women outside major towns, especially by herders. In urban areas, deels are mostly only worn by elderly people, or on festive occasions. The deel appears similar to a caftan or an old European folded tunic. Deels typically reach to below the wearer's knees and fan out at the bottom and are commonly blue, olive, or burgundy, though there are deels in a variety of other colors.

Description

The deel looks like a large overcoat when not worn. Instead of buttoning together in the middle, the sides are pulled against the wearers body, the right flap close to the body with the left covering. On the right side of the wearer are typically 5 or 6 clasps to hold the top flap in place. There is one clasp below the armpit, three at the shoulder, and either one or two at the neckline.

Del (disambiguation)

Del or DEL may refer to:

In computing:

Valle

Valle can refer to:

Things

Places

People

Valle Department

Valle is one of the 18 departments into which the Central American nation of Honduras is divided.

The departmental capital is Nacaome. The department faces the Gulf of Fonseca and contains mangrove swamps; inland, it is very hot and dry.

The department covers a total surface area of 1,665 km² and, in 2015, had an estimated population of 178,561 people.

Valle Department was organized in 1893.

Municipalities

References

Coordinates: 13°32′N 87°29′W / 13.533°N 87.483°W / 13.533; -87.483

Valle Solar Power Station

The Valle Solar Power Station is a two adjacent twin 50 MW solar thermal power plants (Valle 1 and Valle 2) in San José del Valle, Cádiz, Spain. The station generates power using parabolic trough technology. It became operational in January 2012. The Valle plant is owned by Torresol Energy, a joint venture between SENER (60%) and the Abu Dhabi Future Energy Company (40%). It was built by SENER between December 2009 and December 2011, at a cost of €540 million (US$700 million).

Construction on Valle 1 and Valle 2 began in December 2009 and was completed in December 2011. Roughly 4,500 workers dedicated over 2.7 million labor hours over the two years of construction until the plants were commissioned and connected to the Spanish national grid. Each 50 MW_e has the capacity to supply 160 Gwh of safe, clean power per year, to supply 40,000 homes. Together they reduce CO₂ emissions by 90,000 tons every year. Their molten salt storage system allows them to continue producing electricity even without solar radiation. In addition to providing a manageable source of clean power, they can also supply electricity to the power grid based on demand.