example, the glue, nails, varnish, etc. used in making wooden furniture like chair, table, bed, etc. are all indirect raw materials. Similarly, the buckles, metal hoops, zips, glue, lining fabric, colors, etc. used in making leather purses, shoes, and bags are all indirect raw ...
To do this, at least the metal oxide and/or the metal hydroxide such as iron ore is preliminarily mixed, preliminarily mixed and granulated, or preliminarily mixed and molded with a carbonaceous material to prepare a mixture of raw materials. The mixture of raw materials is preliminarily reduced...
The oxidation resistance of raw material (metal top, male terminal) of individual batches is not strong enough 翻译结果3复制译文编辑译文朗读译文返回顶部 The oxidation resistance of raw material(metal top, male terminal) of individual batches is not strong enough 翻译结果4复制译文编辑译文朗读译文返回...
It is rough from the flow of the raw materials substance the device and the method of dividing metal fraction (metalfractions) 来自 百度文库 喜欢 0 阅读量: 14 申请(专利)号: JP特願2001-554803(P2001-554803) 申请日期: 20010112 公开/公告号: JP特表2003-520678(P2003-520678A)A ...
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into metal parts is the most common example of a type I (chip generation) process.Using a cutting torch to cut a steel plate into small pieces is an example of a type of combustion.Chemical grinding is an example of a special process that USES etching chemicals to remove excess material....
Chapter 1: What is Titanium Metal?Titanium, denoted by the symbol “Ti” and holding the atomic number 22, is a chemical element with an atomic weight of 47.9. It ranks as the ninth most abundant element in the Earth's crust. Titanium is primarily extracted from minerals such as rutile ...
The raw materials for most 3D printers come from the same stuff as plastics: moldable and plentiful polymers. But nylons, polycarbonates, and styrenes turn out a porous material that has a relatively weak underlying chemical foundation. Printing with metal is a different game: Heavy industrial pro...
In both processes, hydrogen not only reduces iron oxides but can also get trapped inside the produced metal. The latter effect has fueled concerns about the amount of hydrogen remaining in green steel, as even a few ppm of diffusible and weakly trapped hydrogen can have an enormously emb...
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