Search results for keyword: past
Surveying and Mapping Vocabulary (1)
Surveying is a crucial element in the building and construction of civil engineering works and involves the physical measurement and vertical and horizontal positioning of land boundaries and other natural or man-made features. Surveying technology has been used throughout human history and past c......
1079 
Sophia
Common car dictionary C
Common Auto Dictionary
As a human race it is necessary for us to stay mobile. The invention of the automobile has drastically changed the way we interact with the world and the way we live. Since its invention over the past century it is continuing to evolve and work with new technologies in orde......
Explanation of basic terms of SMT
SMT (Surface Mount Technology)
Surface Mount Technology (SMT) is a widely used electronic assembly technology that helps to reduce the size of electronic components and make them smaller, faster and more reliable. SMT is widely used in consumer electronics, up to the semiconductor, automotive and......
The main production process of color coated steel plate
The Process of Color Coated Steel Plate
The color coated steel plate is made from the galvanized steel plate or aluminum zinc steel plate after surface treatment (degreasing, cleaning, chemical conversion, galvanized or aluminum zinc plating, etc.) by coating one or several layers of organic pain......
heavy oil production
Tight Oil Drilling
Tight oil oil (oil shale) drilling is an unconventional hydrocarbon process that involves drilling and extracting oil from tight, low permeability reservoirs, such as shale, sandstone, and limestone formations. Tight oil drilling has gained popularity in the past decade and is b......
cement raw material
Cement Raw Materials
Cement is a technological material used by mankind in various fields, especially in construction and civil engineering. The production of cement mainly uses various raw materials.
Cement raw materials mainly include limestone, clay, sand, iron ore and other raw materials. Gen......
Pingxiang Coal Mine
In Pingxiang City, Provence, lies the Pingxiang Coal Mine. This coal mine supplies some of the best quality coal in the region and has for many decades. The mine has been in operation since the early 1950s and employs over 500 miners. The coal from the mine is sold to both domestic and internation......
mine natural ventilation
Source of natural ventilation in mines
Mining is an involved process in the extraction of minerals, ore and other valuable materials from the earth. While there are a variety of processes used in mining, the general goal is to extract material in an efficient and safe manner. Often, miners rely o......
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......
Ancient Chinese Coal Mining Technology
Coal Mining Techniques in Ancient China
Coal is one of the most important components of ancient China’s energy resources. Before man began to build machines used for coal mining in the 19th century, humans had been harvesting coal from the ground for centuries with manual labor. The Chinese had ......
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