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What is brassBrass is an alloy of copper and zinc. If brass consists only of copper and zinc, it is called plain brass. Brass

Electroplating is the process of plating a thin layer of other metals or alloys on some metal surfaces using the principle of

I. Product introductionSpeboX is a kind of testing and sorting instrument designed by LANScientific Co., LTD., with many year

With the continuous progress of science and technology, the quality control of the internal PCB board is becoming more and mo

1. What is halogenHalogen elements include fluorine (F), chlorine (Cl), bromine (Br), iodine (I) and astatine (At). Among the

Since entering the 21st century, my country's aerospace industry has achieved unprecedented development, all of which rel

Mineral resources refer to the mineral resources with economic value that can be developed and utilized underground or on the

Iron ore refers to ores containing iron elements or iron compounds that have useful value and are almost exclusively used as

Definition of hazardous chemicalsAccording to the "Inventory of Hazardous Chemicals", the first category is explosi