結果 : what is uv a b and c
8:02

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

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How UV Rays Damage Skin

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Types of Ultraviolet (UV) radiation

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Understanding Ultraviolet UV Radiation and its Effects

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UV-A, UV-B & UV-C Radiation in Lighting

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UVAとUVBの違いとは?皮膚科医が解説! #uva #uvb

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

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Overview of UV-A, UV-B, & UV-C Ultraviolet Light In The Electromagnetic Spectrum

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Ask A Trainer: Understanding The Germ Killing Properties Of UV Light A, B, and C

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ブルース・バグビー博士による紫外線が植物に与える影響

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UVA vs UVB Sun Protection Guide #uva #uvb

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New Calibration Standards in the UV A/B/C Range (sponsored by Instrument Systems)

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Ultraviolet rays harmful effects | UVA rays cause Ageing #skincare #dermatologist

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May 15 2018. UV-AB 9.26, UV-C 56, O2 20.9

portlandchemsky
6 回視聴 - 7 年前
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Portland Oregon Aug 3 2019. UV-AB 8.21, UV-C 52, O2 20.7, C.P.M. 18, 0.150 uSv/hr

portlandchemsky
11 回視聴 - 6 年前
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Portland Oregon April 29 2019. UV-AB 9.57, UV-C 57, O2 20.6, C.P.M. 15, 0.125 uSv/hr

portlandchemsky
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UV-AB 1.37 and UV-C 7

portlandchemsky
4 回視聴 - 7 年前
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Portland Oregon June 30 2018. UV-AB 9.73, UV-C 59, O2 20.8, C.P.M. 12, 0.100 uSv/hr

portlandchemsky
22 回視聴 - 7 年前
22:03

Linear Correlation Part 7 Detailed Analysis of A B and C in UV Formula of Karl Pearson

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UV-AB 11.7, UV-C 72, O2 20.8, C.P.M. 21, 0.175 uSv/hr. Portland Oregon June 4 2018

portlandchemsky
10 回視聴 - 7 年前