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In molecular biology, CD4 ( cluster of differentiation 4) is a glycoprotein that serves as a co-receptor for the T-cell receptor (TCR). CD4 is found on the surface of immune cells such as helper T cells, monocytes, macrophages, and dendritic cells. It was discovered in the late 1970s and was originally known as leu-3 and T4 (after the OKT4 ...
s. Đĩa CD hay đĩa nén ( tiếng Anh: Compact Disc) là một trong các loại đĩa quang, chúng thường chế tạo bằng chất dẻo, đường kính 4,75 inch, dùng phương pháp ghi quang học để lưu trữ khoảng 80 phút âm thanh hoặc 700 MB dữ liệu máy tính đã được mã hóa theo kỹ thuật số .
Circular dichroism (CD) is dichroism involving circularly polarized light, i.e., the differential absorption of left- and right-handed light. [1] [2] Left-hand circular (LHC) and right-hand circular (RHC) polarized light represent two possible spin angular momentum states for a photon, and so circular dichroism is also referred to as dichroism ...
e. Christian Democratic and Flemish [10] [11] ( Dutch: Christen-Democratisch en Vlaams, pronounced [ˈkrɪstə (n) deːmoːˈkraːtis ɛn ˈvlaːms] ⓘ, CD&V) is a Flemish Christian-democratic political party in Belgium. [2] [3] The party has historical ties to both trade unionism ( ACV) and trade associations ( UNIZO) and the Farmer's League.
CD-levyä kehitettiin 1970-luvun lopulla. CD:n teknisen toiminnan määrittelevästä Red Book -standardista päästiin yhteisymmärrykseen vuonna 1980, ja markkinoille CD:t tulivat syksyllä 1982 Euroopassa ja Japanissa. Ensimmäinen kuluttajamarkkinoiden CD-soitin, Sony CDP-101, tuli markkinoille Japanissa 1. lokakuuta 1982.
Neo Geo AES. The Neo Geo CD ( Japanese: ネオジオCD, Hepburn: Neo Jio Shī Dī) is the second home video game console of SNK Corporation 's Neo Geo family, released on September 9, 1994, four years after its cartridge-based equivalent. This is the same platform, converted to the cheaper CD format retailing at $49 to 79 per title, compared to ...
Released: June 13, 2023. Lover is the seventh studio album by the American singer-songwriter Taylor Swift, released on August 23, 2019, by Republic Records. It is her first album after her departure from Big Machine Records, which caused a public dispute over the ownership of Swift's past albums .
