Search results for keyword: statistics
High temperature superconductor bulk structure
High-temperature superconducting block materials (HTSB) have been widely used in a variety of applications and devices in the past several decades. Because of their superior electrical and thermal properties, HTSB materials are ideal for high-performance electronic devices and equipment. The micro......
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Sophia
my country's secondary aluminum supply status
Chinas Renewable Aluminum Industry Supply Status
With the vigorous development of the aluminum industry in China in the past few decades, the production and consumption of aluminum products in China have become more and more extensive. Total domestic aluminum consumption in 2020 reached 63.78 mil......
Reserves and Mining of Nickel Resources in China
Chinas Nickel Resources and Exploration
Nickel is an important strategic metal used in the steel industry. Nickel resources in China are extensive, and nickel exploration has been going on for years. According to statistics compiled by the National Bureau of statistics, Chinas nickel resources cu......
Recycling and Utilization of Copper Materials for Household Appliances in my country
Copper is widely used in electrical industry. In recent years, the development of Chinas economy has accelerated the replacement speed of electrical equipment and promoted the development of secondary copper industry. The recycling of used copper in China has also gradually become a hot research f......
Antimony resources
Tin is a less common metal compared to its other counterparts like copper and aluminium. It is mostly produced in its sulphide form, which is known as cassiterite or tinstone. Tin ore is mostly mined in countries such as China, Indonesia, Malaysia, Thailand and Brazil, with China being the largest......
Wiedemann-Franz law
Weisman-Franz Law
The Weisman-Franz law, formulated by Rudolph Weisman and Julius Franz in the 19th century, states that the electric conductivity of metals increases linearly with absolute temperature. This phenomenon was first observed and formulated in 1841 by the famous English scientist, Will......
manganese ore
Manganese Ore
Manganese ore is an essential mineral resource in many countries, including China, India, Russia, and South Africa. This mineral is used for the production of steel and other metals, as a food additive, and in some pharmaceuticals. Manganese ore is mined from primarily sedimentary, ......
Sintering Production Quality Supervision and Operation Guidance Expert System
Fine-grained Iron Sintering Quality Supervision and Operation Guidance Expert System
Abstract
Quality is the lifeblood of any industry. In order to ensure the production of high-quality fine-grained iron sintering products, an expert system for quality supervision and operation guidance is devel......
area theory
The Principle of Area Studies
Area studies is a branch of scholarship that focuses on the study of a geographical area and its associated culture, politics, and history. Area studies emerged in the early twentieth century as a response to the rise of nationalism and imperialism and the ensuing ne......
density distribution curve
The probability density function is an important concept in understanding the distribution of certain data. It is also sometimes known as a probability mass function, which is the same concept, but with a slightly different approach. In the simplest terms, a probability density function is a funct......
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