Fuel is material that can produce heat while being consumed, by burning, for example. Fossil fuels, also called mineral fuels, are combustible materials that are organic, having derived from remains of living beings. They include coal, lignite, natural gas, peat, and oil. Artificial fuels, such as gasoline and kerosene, are made from these natural fuels. Fossil fuels can take a
The improvement of living standards makes us eat more kinds of cooking oils. How many kinds of oil are here in our life now? What are their uses? Blend oil It is based on the use of needs, more than two kinds of refined oils (except fragrant oils) prepared in proportion to the edible oil.
Edible oil is an integral part of people’s diet ,there are variety of edible oil on market .When people buy oil, they will find that the oil has grade one, grade two and so on ,and olive oil with special oil ..Is the higher grade the higher nutritional value? Public nutritionists suggest that the grade of edible oil actually represents
Crude oil generally refers to oils and fats which are extracted from plant oils from leaching or pressing processes，which contain some undesirable (or industrial) impurities.The main component of crude oil is a mixture of triglycerides (commonly known as neutral oil).In addition to neutral oil, the crude oil also contains non glycerides (collectively known as impurities),
Renewable energy refers to energy sources that are natural, continuous, and large. This includes solar energy, wind energy, water energy, geothermal energy, and certain biofuels. The downside to renewable sources of energy is that they generally require a substantial amount of infrastructure to extract appreciable power. For example, collecting solar energy requires expensive solar panels. Harvesting wind energy