UV-A and UV-B trans- mission of fabrics: critical wavelength based on absorbance and effective dose. Exogenous Dermatology 2002;1:290e5.Gambichler T, Laperre J, Altmeyer P, Hoffmann K (2002) UVA and UVB transmission of fabrics: critical wavelength based on absorbance and effective dose. ...
Product name:UV wavelength 280 to 400nm UVA-340 and UVB-313 Aging Test Lamp;Length:1200mm;Diameter of Lamp:30mm;Cooling Method:Air cooling;Power supply:40W;Delivery Time:7 days;Usage:UV Lamp for UV Test Chamber;OEM:Accept;Keywords:UV Lamp;Standard:ISO48
Find out the differences between UVA rays and UVB rays, discover the risks and health benefits, and learn how to protect yourself.
LISUN LPCE-2(LMS-9000BUV) integrating sphere UV VIS is used to test the UV lamp (light source) Spectrum, Radiant, Efficiency, CRI, CCT, UVA, UVB, UVC radiant and electric parameters.Spectral Range Wavelength: 200-400nm(UV). The whole system includes the LMS-9000BU...
一樣是合併【Critical Wavelength】與【UVA/UVB Ratio】這二種〔薄膜測試in vitro〕,只要滿足〔CW≥370nm〕+〔UVAPF/SPF≥0.3〕這二個條件,就算是符合UVA防禦的標準。©温唯|miriammibao 與【Boots Star Rating】最大的差異在於☞檢測過程中需要校正與〔人體測試in vivo〕的誤差值,如此一來,便能反映出皮膚...
Ultraviolet (UV) A radiation, which has both mutagenic and immune suppressive effects on the skin, is increasingly recognised as a key contributor to cutaneous carcinogenesis. Whilst short wavelength UVB (290–320 nm) is well-recognised as an environmental health hazard, the dangers of UVA (320–...
UVA测试与UVB测试的区别主要在于使用的紫外线的波长不同,UVA测试使用的是波长为320～400纳米的紫外线,而UVB测试使用的是波长为280～320纳米的紫外线。 UVA测试与UVB测试的关系主要在于反映了不同波长的紫外线对粉末涂料的不同影响,一般来说,UVA测试更能模拟自然环境中的紫外线,因为UVA占阳光中紫外线的90%以上,而...
Note:Other wavelength LED’s are also available including 310 nm, 365 nm and 405 nm (UVA and UVB). Minimum buy and lead times will vary, but typically start at 25 pcs and 2-3 weeks. Please contactcustomer servicewith your wavelength and quantity to receive pricing and lead times. ...
从这个角度来看, UVA 的伤害可以说比UVB更大。 UVA可以穿透至真皮层 幸运的是,随着人们对UVA的研究,新型的针对UVA段或者全波段 (UVA+UVB)的防晒剂孕育而生。今天的防晒霜对比过去的防晒霜对UVA的防护上有了明显的提升。但由于对UVA的防护指示至今没有出现类似SPF的统一标准,因此想以防护UVA为出发点来选购防晒霜...
Suffice it to say that the importance of excision repair diminishes with increase in wavelength and appears to have little influence on the capacity of cells to survive UVA (320–380 nm) radiation damage. One reason for this is that solar radiation, and in particular UVA, generates a range ...