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A special state of carbon is called glass carbon, which is made of thermal decomposition of a carbon polymer with transverse bonds.
Steel structures are usually constructed in several floors. The length of the rolled smuds for the columns is relatively limited. Engineers obtain dif [...]
Today, the construction industry has made significant progress and has been drawn towards modernity. With the arrival of technology in this industry, [...]
Air dry steel (HSS), which stands for English equivalent high-speed steels, is classified as a tool steel and is commonly used in the form of shear to [...]
Steel bolts, called dry bolts, are among the most resistant bolts that have different types and models.
Rebar is one of the steel sections which is almost one of the most applicable iron products in any construction project .
One of the types of rebar is zigzag rebar, which is made of a3 ribbed rebars and simple rebars.
In general, polymers and polymer products have been considered since 1990 and in this year for the first time the consumption of polymers in terms of [...]
Various factors such as durability, resistance, appearance beauty, availability of materials, climatic and economic conditions are effective in the de [...]
One of the most important new executive methods for a variety of construction and industrial structures that are fully regulated in terms of engineeri [...]
China National Petroleum Corporation says it has discovered two huge oil and gas fields with a total of 2 billion tons of shale oil and gas .
