重结晶过程中，力学性能会发生什么改变?
A: harder
B: weaker
C: more ductile
D: softer
A: harder
B: weaker
C: more ductile
D: softer
B,C,D
举一反三
- 重结晶过程中，力学性能会发生什么改变? A: Harder B: Weaker C: more ductile D: softer
- A ductile metal becomes harder and stronger as it is subjected to cold working
- A ductile metal becomes harder and stronger as it is subjected to cold working
- A ductile metal becomes harder and stronger as it is subjected to cold working A: 正确 B: 错误
- 纯金属重结晶过程相比于合金重结晶过程会( )。 A: more slowly B: at same speed C: more rapidly D: hard to say
内容
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纯金属重结晶过程相比于合金重结晶过程会( )。 A: more slowly B: at same speed C: more rapidly D: hard to say
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什么是结晶与重结晶?什么物质分离提纯用到重结晶?
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For the liquidity index [img=17x22]17de835df608f46.png[/img], when the [img=17x22]17de835df608f46.png[/img] is between 0-1, the soil is at ____, the greater the value of [img=17x22]17de835df608f46.png[/img], the ____the soil. A: hard state; softer B: hard state;harder C: plastic state; softer D: plastic state;harder
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什么是晶体，结晶和重结晶？
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19. A: Because they wanted something harder for their children to play. B: Because they wanted something softer for their children to play. C: Because they wanted something less heavy for their children to play. D: Because they wanted something more interesting for their children to play.