这些波长被分类为长波UVA，中波UVB、短波UVC、真空波UVD，其中UVA是320-400纳米中三个中最长的；UVB的范围为280至320nm；UVC的范围为100至280nm（大多数UVC被臭氧层吸收并且不会到达地球，其中，波长范围为100至200nm的也称为真空波UVD）。波长越长，穿透能力越强。 NexOptica 一、长波紫外线（UVA） ...

From UVA and UVB to SPF, what do all the acronyms on sunscreen bottles mean? Here is what you need to know to make sure you're protecting your skin and buying the right creams.

However, light that leaves our star also contains UVC radiation, which has a shorter wavelength than UVA or UVB light and ...

We all know the importance of putting suncream on each day - especially during a heatwave, and now there's no excuse with these supermarket own branded lotions ...

生产厂家广东皓天检测仪器有限公司拥有专业的生产研发技术，一站式周到服务。作为一家专注于试验设备产品的大型仪器制造商，皓天设备致力于为消费者提供技术、品质的优秀产品。 箱式紫外老化箱UVA/UVB 双灯管 工作原理 ...

Our rigorous independent tests identify Best Buy recommendations for sun creams that pass British Standard tests for UVA and UVB sun protection so you know you're getting a product you can rely on - ...

Ultraviolet A (UVA) is made up of wavelengths 320 to 400 nm (nanometers) in length. Ultraviolet B (UVB) wavelengths are 280 to 320 nm. Ultraviolet C (UVC) wavelengths are 100 to 280 nm. Only UVA and ...

这意味着炎热的夏天开始了！ ！ 我们在享受阳光的同时 也需要注意“紫外线”的伤害 今天带大家了解了解 紫外线 吧~ 什么是紫外线 紫外线辐射 (UVR) 也称紫外线, 属非电离辐射，波长范围在100～400nm 之间,根据波长主要分为UVA、UVB、UVC三种，波长越长，穿透力就越强。