結果 : what is uv ray

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8:02

ULTRAVIOLET RAYS | How Harmful Are UV Rays? | Ultraviolet Radiation | Dr Binocs Show | Peekaboo Kidz

Peekaboo Kidz
807,366 回視聴 - 4 年前
7:44

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

Vox
1,281,972 回視聴 - 10 か月前
3:44

How UV Rays Damage Skin

DocUnlock
184,277 回視聴 - 6 年前
1:16

The dangers of UV on our health

UK Health Security Agency
22,153 回視聴 - 8 年前

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1:58

Ultraviolet (UV) Can Kill Bacteria & Viruses – Learn The Basics

Bulbs.com
138,650 回視聴 - 4 年前
1:57

Are UV rays stronger on cloudy days? | Verify

WUSA9
5,136 回視聴 - 1 年前

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6:05

Science behind UV light! - Ultraviolet radiation UVA UVB and UVC light

DestructiveCreativity
17,550 回視聴 - 4 年前
0:59

Amazon DIY windscreen Repair Kit, You Need A UV Light Too!! #windscreenrepair

aaanton11
726 回視聴 - 2 日前
4:46

How UV Causes Cancer and Aging

Veritasium
565,757 回視聴 - 6 年前
3:30

UV radiation

Bundesamt für Strahlenschutz
17,814 回視聴 - 5 年前
10:58

Why Do Microbes Explode Under UV Light?

Journey to the Microcosmos
623,328 回視聴 - 3 年前
1:36

How Cancer Cells are Formed by UV Rays

St. Jude Children's Research Hospital
412,067 回視聴 - 7 年前
14:49

The Horrors of UV radiation

Dark Science
273,996 回視聴 - 6 か月前
7:29

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

CNET
160,815 回視聴 - 4 年前
2:03

Researchers test UV light to make indoor air safer

CBS Evening News
6,767 回視聴 - 2 年前
22:05

Extreme UV Levels: How Damaging Is It, Really? | Talking Point | Full Episode

CNA Insider
86,739 回視聴 - 6 か月前
1:14

#TomorrowsDiscoveries: Protecting Against UV Radiation – Anna Chien, M.D.

Johns Hopkins Medicine
7,391 回視聴 - 7 年前
0:43

Types of Ultraviolet (UV) radiation

Cancer Council WA
54,147 回視聴 - 8 年前
2:00

Protecting Your Eyes from Ultraviolet Rays

NBC 15
464 回視聴 - 10 年前
8:30

5 Positive Effects of UV Rays

Skynfyx
4,329 回視聴 - 2 年前