Nature Essays

Air pollution is the introduction into the atmosphere of chemicals, particulates, or biological materials that cause discomfort, disease, death to humans, damage other living organisms such as food crops, or damage the natural environment. The composition of air are nitrogen, oxygen, inert gases and others and carbon dioxide. There are …

Vilnius Gediminas Technical University, LT-10223 Vilnius, Sauletekio, 11, E-mail: [email protected] Abstract. Taking into account the current financial crisis, the European Commission has launched the new strategy “Europe 2020,” released as the follow up to the Lisbon strategy. Both strategies encourage the European Union countries to be competitive and to maintain …

One of the less visible but highly challenging aspects of the Internet is the impact it has had – and is having – on the entertainment business. This is particularly the case with music. At one level its impacts could be assumed to be confined to providing new ‘e-tailing’ channels …

The Introduction from the great Atari to the all loved and hated Microsoft Xbox the revolutionary evolution from gaming arcades are having one in your home and one on your hand. Nintendo has been in this game for quite some time but was never seen as a threat by any …

Widely used in gravel pits, mining, building materials, transportation, chemical industry, water conservancy and hydropower, concrete mixing stations and other industries for material processing. Sand washing machine can be divided into two types: XS and XL type type. It can remove impurities from the surface covered by gravel, sand covered …

When first hearing Dave Matthews Band’s “Don’t Drink the Water,” you might believe the song is about the apartheid having knowledge of Matthews’ country of birth but when you continue to listen to the song the listener will discover a different story behind the song. Matthews moved to The United …

Whilst earthquakes are perhaps the most frequently occurring natural hazard, their impact on people, property and communities varies enormously from one place to another. It is possible to identify a number of factors that cause some places to suffer more than others. Whilst some are large scale and are to …

INTRODUCTION Background of the Study Drinking water is a basic human need, including food, shelter and clothing. The lack of safe drinking water is a leading cause of mortality, especially in local communities where waterborne diseases are persistent due to low quality surface source waters. Appropriate treatment technology can render …

Introduction: Jan Rudolph Deiman and Adriaan Paets van Troostwijk used in 1789 an electrostatic machine to produce electricity which was discharged on electrodes in a jar with water. In 1800 Alessandro Volta invented the voltaic pile, a few weeks later William Nicholson and Anthony Carlisle used it for the electrolysis …

The protagonist in Ernest Hemmingway’s The Sun Also Rises, Jacob Barnes, is a down on his luck war veteran living in France. Jake is characterized by his experiences prior to the events of the book and he narrates the story from a quiet observer’s third person perspective, often times quite …