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Introduction
Watches are an important part of fashion and design that have gone along with us throughout the centuries. Watches are both a fashion icon and an expertly crafted tool. A combination of tradition, innovation, and materials create a timeless wearable piece of art.
History of......
1035 
Sophie
Jewelry Casting Knowledge
Jewelry Making Knowledge
Making jewelry can be a hobby, a means of artistic expression, or even a source of income. The key is to understand the basics; knowing the basics can help you get the most out of jewelry making and will help you avoid common mistakes.
The first step to making jewelry is......
Introduction to the Development of Precision Casting
，作为一个科技类的毕业论文，精密铸造发展简介
Precision casting is a casting process that utilizes high-quality molds, waxes, and related materials. It is also referred to as lost wax casting, since waxes are used to form the parts. This process is primarily used in the production of complex parts, ......
tremolite
Peridot, also known as Olivine or Peridotite is a rare, semi-precious gemstone. It is generally green to brownish-green in color, but may also have a yellowish tinge. Peridot is found in many parts of the world, including the United States, Mexico, Egypt, China, Myanmar (Burma), Norway, and Pakist......
Quartz feldspar sand
Quartz is a component mineral to be found within sand, and is one of many minerals that are commonly found around the world. It is often used in a variety of industrial, commercial and domestic applications.
One of the most popular uses for quartz is in the manufacture of glass, due to its abunda......
Foil
Aluminum Foil
Aluminum foil is a thin sheet of a treated aluminum that is used in many applications in both residential and industrial settings. It is available in a variety of sizes and thicknesses and is perfect for wrapping food to help it stay fresh, insulating items during the storage or tra......
niobium rutile
Cinnabar is a natural occurring ore of mercury in its compound, and it is derived from mercury sulfide. It has also been used in various aspects of ancient Chinese culture. The use of cinnabar as pigment in art is probably the most well-known.
Cinnabar has been used in Chinese traditionally in th......
Tungsten Thorium Alloy
Tungsten, also known as wolfram, is a chemical element with the chemical symbol W and atomic number 74. Tungsten is a rare metal found naturally on Earth only in chemical compounds. It is found in a few unusual minerals, but most often deposited in hot springs and as veins in rocks. It is also obt......
Gold and silver alloy
Gold and Silver Alloys
Gold and silver have been considered luxurious and valuable materials since ancient times. Coins, jewelry and other items have been made with these metals in almost every culture around the world. To this day, they are still used to produce a variety of products due to thei......
Gold Palladium Alloy
Palladium-Gold Alloy
Palladium-Gold Alloy is a combination of metals found in nature. It is composed of two very different elements: palladium, a silver-white metal, and gold, a reddish-yellow metal. It is a unique material that has excellent physical and chemical properties, making it a desirabl......
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