Nghĩa của từ crown glass bằng Tiếng Việt
@crown glass ['kraun,glæs]
*danh từ
- (kỹ thuật) thủy tinh cron (để làm thủy tinh quang học)
@Chuyên ngành kỹ thuật
-thấu kính
@Lĩnh vực: xây dựng
-kính đổ khuôn
@Lĩnh vực: y học
-thủy tinh crao
Đặt câu có từ "crown glass"
1. Newtonians explain this by saying that the achromatic refractor's crown glass and flint glass refract light as a whole with equal intensity but disperse individual colors differently.
2. Aplanat: A system of lenses invented by Adolph Steinheil, in 1866, for use in photography, consisting of a biconvex crown-glass lens placed between two concavo-convex lenses of flint-glass.
3. The Achromatic lens consists of a double convex lens of crown glass combined with a plano-concave lens of flint glass. PHYSICS WILLIS EUGENE TOWER Achromatic lenses are used in all high-grade optical instruments such as telescopes and …