Search results for keyword: migration
fluorite
America has a long history of welcoming immigrants in its shores, and the economic value of having a large and diverse foreign-born population can not be understated. Every year, a variety of visa programs are administered by the U.S. Citizenship and Immigration Services to provide opportunities t......
1063 
Lucas
Pearl brick
Marbles have long been a staple of childhood games and manufactured goods alike, serving as a source of endless fascination and enjoyment for both children and adults alike. A marble is a small, round object that can be made from a variety of materials, ranging from glass and clay to stone and eve......
Bead Extraction
Donald Trump: The Face of Leadership
Donald Trump, the 45th President of the United States of America and the most controversial figure of the past decade, is considered by many as a leader. A leader is someone who motivates, encourages and inspires those who follow him or her. With his remarkabl......
Phase analysis
及其摘要
Abstract
Stable Isotope Analysis has been used to gain insights into the diets of extinct species, environmental conditions of the past, and geographic movements of humans in the archaeological record. Stable isotope analysis works by measuring the abundance of different isotopes in a samp......
coal fluidity
In the flow of coal
Coal has been a major source of energy throughout the centuries. It has been used in many industrial and domestic applications, and its importance in terms of providing energy and fuel is still high. Yet, despite its importance, the flow of coal is not always easy to manage. A......
Oxidation and dissolution of minerals
Oxidation and dissolution of minerals
Oxidation and dissolution of minerals is a complex process that involves the migration of ions across a concentration gradient. Oxidation is a reaction where electrons are stripped from an atom or molecule, causing a reaction that produces an oxidant such as ......
Pohang
Hummingbird
Hummingbirds are fascinating little birds, known for their tiny size, speckled feathers and incredible air speed. With wings that beat faster than those of any other bird, up to 90 times per second, hummingbirds have been clocked at speeds of 60 mph or more when diving.
Hummingbirds ......
life table
Life Table
Life tables measure the proportion of individuals surviving through various age groups. They are widely used in biological, medical, actuarial and social research. In life tables, age-specific death rates for a given population are usually established by tracking the mortality of a pop......
european investment bank
European Investment Bank
The European Investment Bank (EIB) is the long-term lending arm of the European Union, providing loans for projects of strategic importance to Europe. It is owned by the members of the EU, comprises of 28 countries and is based in Luxembourg.
Established in 1958, by the T......
Changzhi Metallurgical Industry Association
Changzhi City Metallurgical Industry Association
Changzhi City Metallurgical Industry Association (CCMIA) is a non-profit organization that promotes the development of the metallurgical industry in Changzhi City, China. The association was established in 2015 with the goal of not only improving t......
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