tantalum 的定义
Chemistry.
- a gray, hard, rare, metallic element occurring in columbite and tantalite and usually associated with niobium: used, because of its resistance to corrosion by most acids, for chemical, dental, and surgical instruments and apparatus. Symbol: Ta; atomic weight: 180.948; atomic number: 73; specific gravity: 16.6.
更多tantalum例句
- The raw materials— tin, tantalum, tungsten and gold—were dubbed “conflict minerals.”
- In China, for example, tungsten, tantalum, tin and gold are mined and ore is imported from other countries.
- Tantalum helps you send text messages, tin is the solder on every circuit board and gold is the little connecting piece.
- In 2012, Intel began producing microprocessors with conflict-free tantalum, a sign that conflict-free efforts were progressing.
- Tantalum is used to protect interconnects inside microprocessors.
- More efficient lamps have been devised with filaments of the metals tantalum and tungsten (Fig. 274).
- The oxide of tantalum dissolves in the bead, but gives no colour.
- Chemically related to vanadium are the two elements tantalum and columbium or niobium.
- How are you going to separate out the tantalum and the others you want from the ones that you don't want?
- I brought along a piece of platinum from the power plant, and something that I think is tantalum from Barkovis' description of it.