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katodni zrak

A negatively charged beam that emanates from the cathode of a discharge tube. Cathode rays are streams of electrons.

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  • ส่วนหนึ่งของคำพูด: noun
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  • อุตสาหกรรม/ขอบเขต: Chemistry
  • Category: General chemistry
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คำศัพท์ที่เกี่ยวข้อง

zrak
Astronomy; Planetary science

Streak of material blasted out and away from an impact crater.

x-zrak
Aerospace; Space flight

Electromagnetic radiation in the neighborhood of 100 picometer wavelength.

katodni zraci
Physics; General physics

Negatively charged particles (electrons) that are emitted from a negative terminal in an evacuated glass tube.

gama-zrak
Astronomy; Planetary science

Gamma rays are like the light we see with our eyes, the x-rays used to probe our bodies in search of problems, and the radio waves that our television sets translate into inane ...

alfa-zrak
Chemistry; General chemistry

A stream of alpha particles . Alpha rays rapidly dissipate their energy as they pass through materials, and are far less penetrating than beta particles and gamma rays .

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Chemistry; General chemistry

A solid or liquid material that easily vaporizes. A material with a significant vapor pressure .

abraziv
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A very hard, brittle, heat-resistant substance that is used to grind the edges or rough surfaces of an object. boron carbide, diamond, and corundum are abrasives.

diastereoizomer, diastereomer
Chemistry; General chemistry

Stereoisomers which are not mirror images of each other. Diastereomers are chemically similar but distinguishable; they have different melting points and boiling points and they ...

medicinska hemija
Chemistry; General chemistry

A branch of chemistry concerned with the discovery, design, synthesis , and investigation of biologically active compounds and reactions that these compounds undergo in living ...

slab elektrolit
Chemistry; General chemistry

A weak electrolyte is a solute that incompletely dissociates into ions in solution. For example, acetic acid partially dissociates into acetate ions and hydrogen ions, so that ...

grafit
Chemistry; General chemistry

An amorphous form of carbon , made of carbon atoms bound hexagonally in sheets (like chickenwire).

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