英文字典中文字典Word104.com



中文字典辭典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z   


安裝中文字典英文字典辭典工具!

安裝中文字典英文字典辭典工具!








  • Smelting - Wikipedia
    Smelting is a process of applying heat and a chemical reducing agent to an ore to extract a desired base metal product [1] It is a form of extractive metallurgy that is used to obtain many metals such as iron, copper, silver, tin, lead and zinc
  • Smelting | Definition Facts | Britannica
    smelting, process by which a metal is obtained, either as the element or as a simple compound, from its ore by heating beyond the melting point, ordinarily in the presence of oxidizing agents, such as air, or reducing agents, such as coke
  • What is Smelting - Difference, Process, And Uses - MetalsCut4U
    Smelting, a heat-driven method, is crucial for extracting metals from ores It includes raw ore, heat, and a helper called a reducing agent (usually carbon or coke) The main goal of smelting is to separate the metal from unwanted stuff like oxides and silicates in the ore
  • Smelting Metal: How It Works - Metal Supermarkets
    Smelting is a pyrometallurgical process that extracts metals from ores by heating them to high temperatures under the influence of a reducing agent, such as carbon or coke Smelting’s primary purpose is to remove the metal content from contaminants in the ore, such as oxides and silicates
  • Smelting: Types, Process, Uses, Challenge, Effect - Science Info
    Smelting is the method of extracting a metal, either as an element or as a simple compound, from its ore by heating it above its melting point, usually in the presence of oxidizing agents such as air or reducing agents such as coke The method was developed in the Middle East around 5000 BCE, when the first metal, copper, was smelted
  • Understanding the Smelting Process: A Beginner’s Guide
    Smelting enables efficient metal extraction from ores, maximizing yield and conserving natural resources Additionally, smelting plays a crucial role in recycling scrap metal, supporting sustainable resource use by reducing the need for virgin raw materials
  • Smelting - Simple English Wikipedia, the free encyclopedia
    Smelting is the general term for getting a metal from its natural ore Gold is an exception because it is usually found as a pure metal Other metals, like iron, copper, zinc, and silver, need to be got from their ore Metallurgy and especially smelting was extremely important to early civilizations
  • How Do You Smelt: A Step-by-Step Guide on Metal Extraction
    Delving into the fascinating world of smelting, this step-by-step guide will provide a comprehensive overview of the process, from the initial preparation of raw materials to the extraction of valuable metals, shedding light on an essential yet often overlooked aspect of modern production


















中文字典-英文字典  2005-2009

|中文姓名英譯,姓名翻譯 |简体中文英文字典