transparent, translucent specific gravity – optical properties uniaxial/− refractive index nω= – nε= – birefringence pleochroism strong: purplish-red – orangy-red dispersion ultraviolet fluorescence red under longwave references [ ] a ruby is a pink to blood-red coloured gemstone , a variety of the mineral...
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that are either banned from use or restricted to a certain limit in the home product by global laws and regulations are important and usually monitored starting at the product adoption stage of development. identifying "high risk" products and testing for restricted substances where applicable leads...
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jan. , in recent years, aluminium profile has become more and more active in our chinese market. hifactory reanod links: thick liquid filling machine plastic recycling machine alumina media bridge crane pe tarpaulin printing mesh rf connector manufacturers rf coaxial manufacturers laser cutter stay...