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Symbol Name File Ref. Flag: Flag of the United States [1] Seal: Great Seal of the United States (obverse) (reverse) [2] National motto "In God We Trust" E pluribus unum [3] [4] National anthem "The Star-Spangled Banner" "The Star-Spangled Banner" [5] National march "The Stars and Stripes Forever" "The Stars and Stripes Forever" [6] Oath of ...
The national flag of the United States, often referred to as the American flag or the U.S. flag, consists of thirteen horizontal stripes, alternating red and white, with a blue rectangle in the canton bearing fifty small, white, five-pointed stars arranged in nine offset horizontal rows, where rows of six stars alternate with rows of five stars.
Cyber-flag (french site) North American Vexillological Association; List of Flags in the Flags of the World Database; The World All Countries National Flags; Interactive Flag Designs Flag Designs using evolutionary algorithms and search world flags using image similarity; Car Flag Design; CIA World Factbook; Extensive list of similar flags from ...
Chemical symbols are the abbreviations used in chemistry, mainly for chemical elements; but also for functional groups, chemical compounds, and other entities. Element symbols for chemical elements, also known as atomic symbols , normally consist of one or two letters from the Latin alphabet and are written with the first letter capitalised.
U.S. states, districts, and territories have representative symbols that are recognized by their state legislatures, territorial legislatures, or tradition.Some, such as flags, seals, and birds have been created or chosen by all U.S. polities, while others, such as state crustaceans, state mushrooms, and state toys have been chosen by only a few.
The impact factor relates to a specific time period; it is possible to calculate it for any desired period. For example, the JCR also includes a five-year impact factor, which is calculated by dividing the number of citations to the journal in a given year by the number of articles published in that journal in the previous five years. [14] [15]
The Green Book is a direct successor of the Manual of Symbols and Terminology for Physicochemical Quantities and Units, originally prepared for publication on behalf of IUPAC's Physical Chemistry Division by M. L. McGlashen in 1969. A full history of the Green Book's various editions is provided in the historical introduction to the third edition.
Astronomical symbols. Planet symbols; Chemical symbols; Electronic symbol (for circuit diagrams, etc.) Engineering drawing symbols; Energy Systems Language; Hazard symbols; List of mathematical constants (typically letters and compound symbols) Glossary of mathematical symbols; List of physical constants (typically letters and compound symbols)