NEMA’s sodium vapor high-intensity discharge (HID) lamps shipment index declined for the fourth consecutive quarter on a year-over-year basis, NEMA’s sodium vapor high-intensity discharge (HID) lamps ...
The yellow light of sodium vapour lamps in street lights will soon be a thing of the past in the city. The project to replace all energy-guzzling sodium vapour lamps with LED lights has finally taken ...
Jamshedpur, Sept. 23: The steel city?s characteristic golden hue (read, sodium vapour-lit streets) will soon be history. Once again, the silver aurora will dominate its night skies. Jamshedpur ...
If you think your neighborhood is looking better in the dark, and you can’t put your finger on why, it might be the new street lights. All over Chicago, crews are replacing old-fashioned sodium vapor ...
The police have written to the PWD seeking that the yellow sodium vapour lamps be replaced with LED lights along Red Road, ...
DR. M. LUCKIESH and Dr. F. K. Moss, of the Lighting Research Laboratory of the General Electric oCompany of America, reported at a meeting of the Optical Society of America on October 17 an ...
IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. As knowledge of materials and ...
Around a dozen Qatari investors are participating in the QR16 million project, to be called Al Shams. Private investors hold 63 per cent equity in the new company, with QIDB holding 15 per cent and ...
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