結果 : everyday uses of uv radiation
7:44

UV light kills viruses. Why isn't it everywhere?

Vox
1,204,326 回視聴 - 7 か月前
2:47

5 Ways UV Is Used Every Day | Alpha-Purify

Alpha Purify
221 回視聴 - 2 年前
7:29

How to know if a UVC device will be safe and effective

CNET
151,468 回視聴 - 3 年前
6:24

UV-C LIGHT DISINFECTION FOR HOME, TRAVEL & EVERYDAY USE / New Normal (Does it work?)

Truly Tara
162,024 回視聴 - 4 年前
11:13

The World in UV

Veritasium
5,379,137 回視聴 - 6 年前
3:44

How UV Rays Damage Skin

DocUnlock
175,209 回視聴 - 5 年前
1:19

What is UV and how does it affect us?

Met Office - Learn About Weather
99,449 回視聴 - 7 年前
2:35

What is Ultraviolet (UV) light (electromagnetic radiation)?

Tech Guy Greg “TG2”
69 回視聴 - 10 か月前
15:27

UV LIGHT TRAP MOTH SURVEY | LOWER FLORIDA KEYS

KEYS MOTHS
207 回視聴 - 1 日前

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5:42

UV Dosage and Common Microbes

Crystal IS
1,671 回視聴 - 7 年前
3:34

Sun Safety - Health Effects of UV Radiation. How Do I Protect Myself from Ultraviolet (UV) Rays?

Dr. Constantine
4,179 回視聴 - 2 年前
10:58

Why Do Microbes Explode Under UV Light?

Journey to the Microcosmos
617,822 回視聴 - 3 年前
5:58

Light waves, visible and invisible

TED-Ed
1,013,345 回視聴 - 11 年前
2:03

Researchers test UV light to make indoor air safer

CBS Evening News
6,174 回視聴 - 2 年前
1:16

The dangers of UV on our health

UK Health Security Agency
19,586 回視聴 - 8 年前
2:58

Uses of UV Light | #Clip | TV Show for Kids | Operation Ouch

Operation Ouch
2,487 回視聴 - 11 か月前
2:29

Benefits of UV Light

Dr. Sam Berne
574 回視聴 - 2 年前
3:03

Testing UV disinfecting lights

KPRC 2 Click2Houston
115,032 回視聴 - 3 年前
5:20

UV, What is Ultraviolet?

My Book of Chemistry
9,466 回視聴 - 4 年前
3:28

Everyday Chemistry UV Absorption Experiment

Nauli Chemistry
94 回視聴 - 1 年前