Search results for keyword: billion
deformation observation
Spacetime is an essential concept for understanding fundamental physics, and research into its properties has been ongoing for many years. The idea of a four-dimensional space-time continuum was first proposed by Albert Einstein in his Special Theory of Relativity around 1905. Although this concep......
1031 
Sophia
gold placer
Gold is something that has been used as a form of currency since antiquity. It is a valuable resource that has been used for centuries to store wealth and to finance large projects such as constructing monuments. Gold is found in many parts of the world and it can be mined from different types of o......
noise deafness
Noise-induced hearing loss is a public health concern that affects millions of people worldwide. It is caused by loud noises of any kind, including music and other sounds, which gradually damage the delicate structures of the inner ear. Without adequate protection, repeated and prolonged exposure ......
Application of High Efficiency and Energy Saving Circulating Water Pump
Abstract
Circulating water pumps are widely used in various industries and have a great influence on energy consumption in China. The energy consumption and water consumption of general circulating water pump for industrial production have resulted in high cost. Therefore, it has great significan......
tailings chute
Tailings dams are earth structures that are used in the process of mining for the purpose of storing and retaining mine tailings. Mine tailings are the process output or materials left over after the ore being mined has been processed. Tailings dams are used to store the tailings in a very safe an......
Silica dust
Exploring the Small World of Nanoparticles
The world at the nanoscale is incredibly small and complex. A nanometer, the unit of length commonly used to measure such particles, is one billionth of a meter—therefore, one strand of human hair is roughly 100,000 nanometers wide! Nanoparticles, nanom......
Reclamation of subsidence area
Desertification is one of the major environmental problems the world is facing today. It is the spread of desert-like conditions due to the situation where the area becomes dry or barren and unable to sustain life over a large area. This process has been formed when human activities including unsu......
Clean Development Mechanism (CDM) and Iron and Steel Industry Development
Clean Development Mechanism (CDM) and Steel Industry Development
1. Introduction
Clean Development Mechanism (CDM) is an international initiative that was created as part of the Kyoto Protocol. It is intended to help the world reduce emissions of global warming potential (GWP) gases, such as ca......
Yewei statfjordB platform
Statfjord B Platform
The Statfjord B Platform is a Norwegian oil and gas production platform located in the North Sea. It is one of the largest and most modern oil and gas platforms in the world, and is an integral part of the Statfjord oil field. The Statfjord field is one of the largest oil and......
drilling ship
Drilling Rig
A drilling rig is a machine used to bore deep into the earth’s surface in order to extract oil, natural gas and other minerals. This type of drilling is known as hydrocarbon exploration and is an important part of the world’s energy supply. Rigs vary widely in size, from small rigs......
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