下列穿透能力最强的粒子是（ ）？
A: β-particles
B: α-particles
C: Microwave
D: X-ray
A: β-particles
B: α-particles
C: Microwave
D: X-ray
D
举一反三
- 下列穿透能力最强的粒子是（）？ A: X-ray B: [img=12x14]1802e152cb760b7.png[/img] particles C: [img=11x23]1802e152d3b7911.png[/img] particles D: Microwave
- So small () that the most powerful microscopes cannot detect them. A: are these particles B: were these particles C: these particles are D: these particles were
- So small ______ that the most powerful microscopes cannot detect them. A: are these particles B: B. were these particles C: these particles are D: D. these particles were
- 下列穿透能力最强的粒子是（）？
- 穿透能力最弱的是（ ）。 A: γ射线 B: X射线 C: β粒子 D: α粒子
内容
- 0
下列穿透能力最强的是( )。 A: X射线 B: β射线 C: γ射线 D: α射线
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The amount of scattering that occurs depends on the ( ). A: Size of particles B: Radiation wavelength C: Quantity of particles D: How deep the energy passes through the atmosphere
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Which of the following is the bulk volume of the powder？ A: True volume B: Void volume between particles C: Void volume in particles D: The sum of the above three
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调整哪个属性可以控制粒子系统最大粒子数量限制 A: Start Color 粒子初始颜色 B: Start Size 粒子大小 C: Max Particles 最大粒子数量
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What isthe essential characteristic of colloid? A: Tyndall effect B: Brownian motion C: Colloidal particles size ranges from1nmto 100nm D: colloidal particles charged