Search results for keyword: million
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......
1044 
Madison
crack theory
, 关于Wegeners Continental Drift Theory
Wegener’s Continental Drift Theory, first proposed by German scientist Alfred Wegener in the early 20th century, proposed that the continents had once been joined together and had since moved apart, an idea that contradicted long-held popular beliefs. Wegene......
Crustal abundance
The crust is the outermost layer of the solid Earth and composed of two major types of rocks: the oceanic crust and the continental crust. The abundance of crustal rocks varies with location and depth, but can be measured in parts per million (ppm) or billion (ppb). The continental crust contains ......
coal mining
Coal Mining: The Dangerous Job on Earth
Coal mining is a dangerous job that requires very specialized skill sets and knowledge. It is a type of mining performed to expose and extract coal from the earth, typically found in underground or open-pit mines. The main goal of coal mining is to remove c......
China Petroleum Industry
China National Petroleum Corporation (CNPC) is the countrys largest oil and gas producer, distributor and trading company. As a public enterprise supervised by the central government, it has more than 200 subordinate and affiliated companies located across China and around the world.
CNPCs main b......
Fluidized chlorination workshop
Pumping chlorination is one of the most common methods used to disinfect large public water systems. The process involves pumping in a measured solution of chlorine gas, sodium hypochlorite or other chlorine-based compounds into a holding tank of water. From there, the chlorinated water is distrib......
Metallurgical Engineering Design Budget Estimate
Metallurgical Engineering Design Preliminary Budget
This paper presents a preliminary budget for a metallurgical engineering design project. This project will involve the selection of materials, the application of metalworking processes, and the integration of metallurgical engineering principles ......
Shanghai Baoshan Iron and Steel General Plant Project
Shanghai Baoshan Iron and Steel Plant Engineering
The Shanghai Baoshan Iron and Steel Plant is one of the cities largest and oldest steel factories. Its wide range of steelmaking processes and rigorous advanced engineering philosophies have forged a highly optimized production facility capable to......
Southwest Aluminum Processing Plant Project
Southwest Aluminum Processing Plant
The Southwest Aluminum Processing Plant is a leading producer of aluminum products in the southwest region. The plant is owned and operated by XYZ Industries and is located in a remote region, with access to plentiful and reliable sources of raw materials. The ......
Base
，It should be original, talking about the advantages and disadvantages of online learning
Introduction
The 21st Century has brought on revolutionary changes to the world of education with its influx of emerging technology and its new ways of learning. Online learning is one of its most prominent ......
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