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ISO9000 quality management and quality assurance series of international standards
ISO 9000 Quality Management and Quality Assurance Series International Standards
ISO 9000 is a family of quality management and quality assurance standards developed and published by the International Organization for Standardization (ISO). They are used primarily to certify an organization’s ca......
1040 
Sophia
GBJ 125-89 Basic terminology standard for water supply and drainage design
GBJ 125-89 Water Supply and Wastewater Design Basic Terms and Definitions
GBJ (General Code of Construction) 125-89 is a set of codes and standards that regulate the design and construction of water supply and wastewater systems. This document establishes basic terms and definitions that must be ......
metal deposit
Metallic Ore Deposits
Metallic ore deposits are concentrations of valuable metals located in the Earth’s crust. These ore deposits can be formed by many different geological processes, and are common in many different deep mines and quarries around the world. Metallic ore deposits can be found ......
Design of mine tailings facility in concentrator
Design of Tailings Facilities for Selected Mine
Tailings facilities form part of any mined ore processing system. These facilities are used to store and manage solid particles (tailings) generated from the processed ore. Tailings facilities vary in design and construction depending on the ore typ......
Open field mining
Empty Field Mining
Empty field mining is a surface mining technique used to selectively mine thick, flat, horizontal geologic deposits. This method is typically used to extract coal from large deposits found in an area such as the Powder River basin in Wyoming and Montana. Empty field mining util......
Drainage of mineral deposits
Mineral Depletion
Minerals play a vital role in everyday life and are essential to economic development. Minerals are used in many different industries such as construction, manufacturing, and energy production, and are essential for the production of a wide variety of products, from jewelry to p......
Grading equipment
Electrical hierarchical devices are an important part of power system design. They enable us to maximize the efficiency of electric energy distribution and use by helping to maintain predetermined conditions in the system. In order to illustrate this concept, let us consider the example of a water......
Interference settlement
Gravity is the force that keeps us on the planet, and interferometric gravity gradiometry (IGG) is a method of measuring the subtle acceleration of gravity on the surface of the Earth in order to better understand its effects around us. This technology has been used in many areas of research, incl......
initial dam
The Grand Coulee Dam is one of the most impressive engineering feats of the twentieth century. Located in the state of Washington, it was built in the 1930s, and is the largest concrete structure in North America at just over three miles long. The dam serves several important functions, including ......
drainage well
A drainage well is a type of structure that captures and removes storm water or other types of runoff from the surface of a large area. Drainage wells can be used to store runoff and reduce flooding during periods of heavy rain. They can also be used to supply water sources in dry times, or to pro......
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