Known as the Renaissance, the period immediately following the Middle Ages in Europe saw a great revival of interest in the classical learning and values of ancient Greece and Rome.
NTT DATA. NTT DATA Corporation (æ ªå¼ä¼ç¤¾ã¨ãã»ãã£ã»ãã£ã»ãã¼ã¿, Kabushiki-kaisha Enu-tÄ«-tÄ« DÄta) is a Japanese system integration company and a subsidiary of Nippon Telegraph and Telephone (NTT). Japan Telegraph and Telephone Public Corporation, a predecessor of NTT, started Data Communications business in 1967.
Pentaerythritol tetranitrate. Pentaerythritol tetranitrate (PETN), also known as PENT, PENTA, TEN, corpent, penthrite (orârarely and primarily in Germanâas nitropenta), is the nitrate ester of pentaerythritol, and is structurally very similar to nitroglycerin. Penta refers to the five carbon atoms of the neopentane skeleton.