Search results for keyword: photo
aerial photogrammetry
Aviation photography and Measurement
Aviation photography and measurement is a unique range of techniques used to capture images of structures and features both on the ground and from the air. Using cameras, specialized software and drones, aviation photography and measurement is used to produce ......
1038 
Sophia
Survey of Surface Water Intake Structures
Groundwater Investigation of Surface Water Intake Structures
Groundwater is an important source of drinking water and represents an important component of the global water cycle. Groundwater is also a key ecological resource, sustaining both human and natural communities. As a result, understandi......
Engineering geological surveying and mapping
Engineering and Geological Surveying
Engineering and geological surveying, or more formally known as geotechnical surveying, is an important component of the geospatial science of surveying and mapping. It is the integration of three disciplines: civil engineering, geology and surveying. The goal......
Topography
Surveying terrain is a process used to identify the points on a surface, usually of land, and then formulate a plan. It is a profession which dates back to ancient times, when the Romans used it to plot the roads they created. Surveying terrain is now used to assess land use, plot boundary lines, ......
Collapse area survey
Introduction
Collapse of a structure or other object poses a catastrophic risk for people, animals, and the surrounding environment. Collapse can happen due to natural disasters such as earthquakes or floods, or from human intervention, such as from a poorly designed building or the inadequate mai......
redox agent
Oxidation-Reduction Agents
Oxidation-reduction, often abbreviated as redox, involves the transfer of electrons from one substance to another. Redox reactions are responsible for a vast array of chemical processes that occur throughout nature. Most notably, redox reactions are responsible for the ......
carbon monoxide
Carbon dioxide, commonly referred to as “CO2,” is an important chemical compound naturally present in the Earth’s atmosphere. It is also a pollutant produced by human activities, such as burning fossil fuels and producing cement.
Carbon dioxide is a colorless, odorless gas that makes up about ......
Magnesium smelting flue gas treatment
Magnesium Smelting Flue Gas Treatment
Flue gas is the by-product of any combustion process. In the process of magnesium smelting, this flue gas contains hazardous and hazardous substances such as particulate matter, fluoride, sulfur, chlorine and other substances, so to protect the environment, t......
cyanide
Cyanides
Cyanides are chemical compounds containing the cyano group, -CN, which consist of a carbon atom triple-bonded to a nitrogen atom. The most widely used of these compounds are hydrogen cyanide (HCN), or hydrocyanic acid, which has over 12,000 industrial uses. Sodium and potassium cyanides ......
Oxygen consumption
Oxygen is a colorless, tasteless and odorless gas that makes up approximately 21% of the air we breathe. It is an essential element to all forms of known life on Earth. Without it, most creatures would not be able to survive because it is necessary for cellular respiration, which is a process used ......
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