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Study on Welding Technology of West-East Gas Pipeline Project
Research on Welding Technology of West-to-East Gas Transmission Line Engineering
The West-East Gas Transmission Project is a large-scale energy-transmission project in China. The total length of the planned gas lines will exceed 9,000 kilometers and will span 18 different provinces and cities. Va......
1076 
Riley
China Metallurgical Refractories Industry
China Ferritic Refractory Materials Industry
China is one of the largest producers of ferritic refractory materials in the world. The ferritic refractory materials industry of China is a mature and highly specialized industry with a high degree of integration with the global economy. The industry......
Wellbore extension
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Oil Drilling Wells
The art and process of applying modern technology to penetrate the earths surface through a series of steps is called Oil Drilling. It is a relatively specialized field and requires the right type of equipment and expertise to be successful. Oil and natural gas are two of the......
Hardgrove index
Hirschfeld–Gottesman Index
The Hirschfeld–Gottesman Index (HG Index) is a tool developed by Health Canada and the World Health Organization (WHO) in 1994 to measure the health of a population. The HG Index is based on five dimensions: socioeconomic condition, physical health, mental health, alc......
Titanium zirconium sand ore beneficiation
Titanium and Zirconium Sand Ore Beneficiation
Company A owns three titanium and zirconium sand ore mines in China. Sand ore is a composite ore which contains titanium and zirconium. Titanium and zirconium are two important raw materials in many industries. Therefore, benefication of the ore is nec......
Rammelsberg mine
Ramelsberg Mining
The Ramelsberg mining area has a long and varied history, with mining of copper, silver, and gold stretching back more than 800 years. Mining in the area ensued first with surface mining, followed by open-pit mining, and finally, underground mining. This makes the Ramelsberg min......
Karst foundation
Karst Topography
Karst topography is a type of landform in which a large amount of subsurface sediment and bedrock is dissolved by groundwater. Karst topography is typically found in areas characterized by limestone and dolomite deposits in which the geological processes of dissolution and erosion......
Distribution of iron ore resources in the world
World Iron Ore Resources Distribution
Iron ore is a mineral substance which, when heated in the presence of a reductant, will yield metallic iron (Fe). It almost always consists of iron oxides, the primary forms of which are magnetite (Fe3O4) and hematite (Fe2O3). Iron ore is the source of primary......
Particulate Pollutant Composition Monitoring
Particulate Pollutant Monitoring
Air pollution is an omnipresent issue in the modern world. Pollutants, both particulate and gaseous, can cause a myriad of health and environmental problems. Of particular interest is particulate pollution, which can come from both natural and man-made sources. Pa......
Chute
The importance of having a well in one’s garden or property has become increasingly popular over the years. A well provides an important source of water, which can be utilized for a variety of purposes. This can range from drinking to watering plants, washing clothes and even helping animals. Fur......
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