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Search results for keyword: gan
Coal gangue Comprehensive Utilization Technology
Integrated Utilization of Coal gangue Background In modern energy development and industrial production, energy is an important material basis, and coal is an important energy source. Coal burning and other smelting processes during industrial production will inevitably produce solid residues— ......
tags: coal gangue can coal gangue comprehensive
1075
Avery
bronze smelting technique in ancient China
Bronze Smelting Technique in Ancient China Bronze smelting was one of the great achievements of ancient China. Between the 16th and 11th centuries BC, the art of bronze smelting was perfected. In this process, the ore was heated to a high temperature, resulting in an alloy of copper and tin tha......
controlled atmosphere
Creating a Controllable Atmosphere The atmosphere that we create in our homes and work environments can have a huge influence on our thought processes, moods, and attitudes. Achieving a controllable atmosphere that is conducive to productivity and positive feeling requires that we take an active ......
tags: can atmosphere create students can learning
1074
Sophia
conversion coating
MEMBRANE TECHNOLOGY Membrane technology has been key in achieving efficient separations across a multitude of industries from water and wastewater treatment to pharmaceutical manufacturing and even food production. While membrane technology has been around for decades, advances over the past 20 y......
Inorganic coating
Inorganic Coating Inorganic coating is a type of coating applied to surfaces to protect them from damage and modification. These coatings are applied as a thin film and can be used in a variety of applications, including coating a surface with a material that helps prevent corrosion, adds extra pr......
flat crystal
Auxerre, France Welcome to the official website of Auxerre in Burgandy, France. Auxerre is a city located in the north of Burgandy and is a city with a rich history; it is the capital of Yonne, holding a total population of 34,500 citizens. With beautiful surroundings and a very compact centre, A......
tags: auxerre city its she prefecture saitama
1052
Sophia
Adding MnS to Improve Machinability of Powder Metallurgy
The Use of MnS to Improve Powder Metallurgy Machining Performance Powder metallurgy is a process used to form metal parts and components. It involves the combination of two or more metal powders mixed at high temperatures to form an alloy with desired properties. Commonly used in the production o......
tags: machining mns powder mns powder metallurgy
1057
Megan
heat treatment of metals in ancient China
Heat Treatment of Metals in Ancient China The history of heat treatment of metals in China dates back to the Shang Dynasty (1600-1046 BCE). This early heat treatment was used to soften and harden bronze utensils and weapons such as knives and spearheads, by heating and cooling in a process that i......
tags: heat weapons treatment used metals chinese
1089
Sophie
thermodynamics
Thermodynamics Thermodynamics is a branch of physical science that is concerned with the study of the relationship between heat, energy, and work. It studies how energy can be converted into different forms such as thermal energy, mechanical energy, and electrical energy, and how it can be transf......
Chuck
THE HISTORY OF EATING UTENSILS One of the key elements of any civilization is the tools and utensils used by its people for the purpose of eating and food preparation. Eating utensils are usually the first tools invented by people, as the need for them is universally experienced. Not surprisingly......
tags: utensils eating used reader card data
1051
Madison
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