Diesel Emissions The exposure of mine workers to diesel particulate matter (DPM) and gases is an issue of great concern to the underground mining environment. Diesel engines work by igniting a mixture of fuel (a hydrocarbon) and intake air in the combustion chamber. At high temperatures, fuel may decompose rather than burn, leaving a complex…
Electrochemical sensors life span “Shelf life” and “operational life” are terms you may have heard before. These types of terms are widely used however, not everyone knows the detailed meaning behind them. Shelf life “Shelf life” in regard to this piece is the time between manufacturing the product and its initial operation. …
The Rise of Ammonia in Refrigeration: Benefits, Hazards, and Safety Measures The phase-out of Chlorofluorocarbon (CFC) and Hydrochlorofluorocarbon (HCFC) gases in refrigeration and air conditioning systems has led to a significant increase in ammonia usage. Unlike CFCs and HCFCs, ammonia refrigeration systems do not contribute to global warming or ozone depletion. However, ammonia introduces its…
Carbon Dioxide is a gas that is both colourless and odourless. Not only is CO2 produced naturally in the environment, but it can also be created. CO2 can be created through human activities like burning gasoline, oil, coal, and wood. Respiration increases the level of CO2 in air as an individual exhales. Comfort The measure…