Titania-containing silica glass bodies and extreme ultraviolet elements having low levels of striae are disclosed. Methods and apparatus for manufacturing and measuring striae in glass elements and extreme ultraviolet elements are also disclosed.

 
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< Method for producing fatty acid methyl ester and equipment for realizing the same

< Honeycomb structural body and assembly thereof

> Durable silver thin film coating for diffraction gratings

> Selfemulsifiable formulation having enhanced bioabsorption and immunosuppression activities
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