A plain gold wedding band can only cost a couple hundred bucks, but an eternity ring with diamonds could cost over $2,000. Men can choose an expensive gold band with diamonds, which will cost more. Or there are tons of unique, affordable options in alternative metals and materials (...
If you want to get a live band, you're looking at closer to $3,500. 16. How expensive are the wedding favors? Although favors are meant to be small tokens for guests that commemorate the day, they can still come with a big cost. The average amount spent on favors in 2013 was $...
The reason for this phenomenon is quantum size effect and Ostwald ripening, respectively. The absorption peak on each curve is consistent with the first exciton band of CdTe NCs, from which the average particle sizes of different samples can be derived based on previous reports[22,32]. PL ...