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fixed monitoring station
Classifying Monitoring Stations
Monitoring stations are important elements of both natural and urban environments. They are used to clue into conditions that affect a given area such as pollution, temperature, seismic activity, and more. Many different types of monitoring stations can be found ar......
1073 
Hannah
Sources and reductions of medium nitrogen
Nitrogen Sources and Air Quality
Nitrogen is an essential element for the growth of plants and for the functioning of many ecosystems. Nitrogen is found in air, soil, and water, and it is an essential nutrient for plants and animals.
Nitrogen forms a large part of the air we breathe, but in larg......
vein quartz
Quartz is one of the most plentiful and versatile minerals on the earth. It is found in a wide variety of geological environments, from hot springs to volcanoes, from meteors to deep-sea hydrothermal vents. Quartz has been a popular material for jewelry and other ornamental objects for centuries. ......
feldspar sandstone
Pumice is a light, porous lava rock that is formed from volcanic eruptions. It is made up of many tiny gas bubbles and has a rough, textured surface. This rock is different from other types of lava because it is light enough to float on water and is filled with tiny air pockets.
Pumice is most......
Zone melting germanium ingot
Ruthenium is a chemical element of the periodic table, being present in the transition series, and having atomic number 44. It is a transition metal having a silver-grayish color, and a hardness similar to platinum. Ruthenium is a rare element, its abundance in the Earths crust being 0.001 per cen......
Lithium, the lightest metal in nature
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Lithium (chemical symbol Li) is a soft silver-white element that is the lightest metal in the periodic table. It belongs to the alkali metal family, which contains elements such as sodium and potassium. It is the third-lightest element overall, after hydrogen and helium.
Unlike most metals, lith......
arsenite
Introduction
Arsenic nickel ore is the ore that contains arsenic and nickel. It is used primarily for nickel extraction, with manufacturer requirements including the requirement that arsenic be below 0.15%. Arsenic nickel ore deposits are found in many parts of the world and typically form in are......
Copper Ore
Copper has become an increasingly important metal in the modern infrastructure - from wiring in modern buildings, power generation plant and electric motors to the production of cars, computers and semiconductors. The fact that it is so widely used makes it an attractive commodity for investors an......
arsenite
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Sulfide-Arsenic-Copper Ore
Sulfide-arsenic-copper ore is an ore composed of sulfide, arsenic and copper minerals. It is commonly found in both non-metamorphic and metamorphic rocks in mineralized zone, accompanied with cobalt, chrome, manganese and nickel. This type of ore is one of the main so......
gas in metal
The Use of Gases in Metals
The use of gases in metalworking is an important part of the modern metal fabrication process. Gases can be used to create a variety of effects, such as a smooth surface finish, increased strength, and improved machinability. Gases also provide a clean, cost-effective w......
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