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American Iron and Steel Scrap Standard (1991)
Introduction
Scrap metal has been used as a resource in the United States since the late nineteenth century. Initially, it was simply used for recycling, but over time it became an important commodity used in the manufacturing industry. During the 1980s, concerns about the quality of scrap steel,......
1059 
Sophie
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......
magnetic sorting
Magnetic Separation
Magnetic separation is the process of separating components of mixtures by using magnets to attract magnetic materials. The process that is used for magnetic separation detaches non-magnetic material with those that are magnetic. This technique is useful for not all, but few ......
Mineral size
************ Mineral grain size ************
Mineral grain size, also known as texture, is an important parameter in geology and geomorphology. Grain size refers to the diameter of the particles that make up a particular rock or sediment. It is an important factor in determining the strength, nat......
Crushing process control
在矿山当中，破碎过程是一项关键性操作，可缩短物料打磨破碎过程，提升矿料加工率。 在矿山内，破碎过程控制既包括机械控制，也包括管理和技术控制。机械控制包括破碎设备本身的选配，设备改造和优化设计，还有质量检测，让这些设备符合国家标准。管理控制则涉及各种管理体系的改造，如标准化管理流程、操作规程、质量管理......
Tapered chute
Seven Wonders Of The Ancient World
Since the beginning of human civilization, people have been fascinated by the grandeur and wonder of the ancient world. Many amazing monuments, vast cities and incredible architectural achievements have been constructed throughout history. Although most of these......
Roller drilling
The following are the steps in which a dental drill is used:
1. A dentist will determine the areas that require filling or removal and may also take X-rays to better evaluate the situation.
2. An anesthetic is administered to reduce the risk of pain and discomfort.
3. Using an electric dental d......
stone fracture
Lithic fracture
Lithic fracture, also known as lithic reduction, refers to processes that a stone undergoes when it is being extracted of utilized by people. This process can also be viewed as stone knapping, and this is the act of taking a stone and using an implement to alter it. Lithic reducti......
Carbide Grinding and Coating Workshop Design
Overview
The grinding and coating workshop is a necessary workshop in the production process of hard alloys. This workshop will be used to finish the grinding and coating process of hard alloys. Reasonable workshop design can improve the production efficiency, reduce the cost and ensure the norma......
explosion mechanics
Explosive Mechanics
Explosive mechanics focuses on forces created by the detonation of a variety of hazardous materials or items. It is a field of engineering related to a range of processes and phenomena involved in the detonation of materials or objects. The study of explosive mechanics deals wi......
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