Burgundy mixture
(organic chemistry) The nitrile, N≡C-CH=CH-C≡N, derived from fumaric acid
(number theory) The conjecture that, for any positive even number n, there are infinitely many prime gaps of size n.
A mixture of copper sulphate and sodium carbonate, used as a fungicidal spray for trees and small fruits.
A rural locality in north Canterbury, New Zealand.
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DiQt（ディクト）
無料
★★★★★★★★★★
