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GB 6653-94 Steel plates for welding gas cylinders
解析
GB 6653-94 Welding Cylinder Steel Plate
This standard GB 6653-94 provides requirements, test methods, inspection rules and packaging, marking, quality of welding steel plates for manufacturing various types of gas cylinders.
1. Scope
This standard applies to welded steel plates are used to......
1020 
Ethan
C22 use
Stress and Its Impact on Human Health
Stress is a natural part of life. We all experience some form of stress, whether it be physical, emotional or mental. Stress can have a positive or negative impact on our health, so understanding the impact and how to manage it can be critical.
Physically, s......
Ductile iron (GB/T1348-1988)
Introduction
Spheroidal Graphite Iron is a type of cast iron which is obtained by adding graphite to iron in a particular structure. It is usually referred to as spheroidal graphite iron (SGI) or nodular iron due to the nodular shape of the graphite. It is a very strong, high strength material du......
Inspection and measurement tool terms
Metrology
Metrology is the scientific study and practice of measurements and units of measurement. It is the branch of science concerned with standardizing and controlling measurements. It is the process of developing and applying methods, procedures and standards for physical, chemical, and othe......
Chamber Blasting Design of Open Pit Mine
露天矿硐室爆破设计
Blast design for open-pit mines is an important factor for achieving desired mine production and safety results. Good blast design and careful planning are essential for successful Explosives blasting in open pit mines, and should be designed to meet the desired performance req......
Ordinary sinking method
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Cable-Tool Drilling: Channeling the Earth with a Bit and a Spade
Cable-tool drilling, also known as percussion or spudding drilling, is an age-old method of using a large bit with a weighted chisel attached to it and pounding it into the ground. This method has been used since ancient tim......
Techniques and Methods of Iron Ore Geological Exploration
Technology and Methodology for Iron Ore Exploration
Iron ore exploration is the process of uncovering and investigating potential concentrations of iron ore in the Earths surface, which are important in the global production of steel and raw materials, thereby contributing to national fiscal rece......
Engineering Drilling Equipment
Engineering Drilling Equipment
Engineering drilling equipment is an essential component of the engineering process, from foundation work to the complete laying of a pipeline. It is used to dig trenches and holes in the ground, as well as to drill into rock in order to retrieve samples or place fou......
Pile survey
Pile Foundation Exploration
Pile foundation exploration is an important process during the construction of a building or other infrastructure. It ensures that the foundation is stable, which is vital for the safety and sustainability of the structure.
The purpose of pile foundation exploration i......
engineering drilling
Introduction
Engineering drilling is a significant practice in various engineering and construction works, such as foundation pit discharge pipe and construction of retaining walls, building foundations, highways and bridges. The process of engineering drilling is used to create a substrate area ......
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