All articles starting with R
22,461 articles
Rankine cycle
The Rankine cycle, also called the steam cycle, is the ideal thermodynamic cycle behind steam-turbine power generation, in which water is pumped, boiled, expanded, and condensed.
Rankine scale
The Rankine scale (°R) is an absolute temperature scale with zero at absolute zero and Fahrenheit-sized degrees, proposed in 1859 and named for William John Macquorn Rankine.
Ranking
Ranking, also called league tables, is the task of ordering items so the most relevant or important appear first, central to information retrieval and search engines.
Ranking Joe
Ranking Joe, born Joseph Jackson in 1959 in Kingston, Jamaica, is a reggae and dancehall deejay known for his fast toasting style and career spanning more than fifty years.
Ranking of Kings (王様ランキング)
Ranking of Kings (王様ランキング, Ōsama Ranking) is a Japanese fantasy web manga by Sōsuke Tōka on Manga Hack since 2017, about the deaf, weak prince Bojji and his friend Kage; adapted into a 2021 WIT Studio anime.
Ranking Roger
Ranking Roger (Roger Charlery, 1963–2019), Birmingham singer and toaster, co-frontman of the Beat/English Beat and General Public, key figure of the two-tone ska revival.
Rankings of academic publishers
Rankings of academic publishers order scholarly book publishers by prestige or level, chiefly via Spain's survey-based SPI and Norway's level-based register; cross-country studies show inconsistent results.
Rankings of universities in Canada
Rankings of universities in Canada: annual comparisons led by Maclean's (since 1991), historically in Medical Doctoral, Comprehensive, and Primarily Undergraduate categories, reorganized in 2027 into Large, Mid-Size, and Small size tiers covering 56 schools, scored on 15 indicators including retention, graduation, research, and reputation.
Rankings of universities in France
How French universities fare in Shanghai, QS, THE, CWUR and domestic classements: top-100 positions, EPE mergers, IDEX funding, methodology critiques, and 2023-2026 position changes.
Rankings of universities in Pakistan
University rankings in Pakistan: HEC's national quality-and-research ranking (resumed 2023, 61 parameters) plus QS, THE, Webometrics, and uniRank tables; QAU and NUST lead recent editions.
Rankings of universities in South Africa
How South Africa's 26 public universities rank in QS, THE, ARWU, CWUR, Webometrics, SCImago, and EduRank: UCT leads QS, THE, ARWU, and US News; Wits tops CWUR; Rhodes University alone withdrew.
Rankings of universities in the European Union
Rankings of universities in the European Union: how EU institutions place in QS, THE, and ARWU (Shanghai) tables, the methodologies behind them, EU responses like U-Multirank, and effects such as French mergers.
Rankings of universities in the United Kingdom
UK university league tables (Complete University Guide, Guardian, Times Good University Guide) and global systems (QS, THE, Shanghai) rank British universities by weighted metrics such as entry standards, student satisfaction, research quality, and graduate outcomes; methodologies differ so positions diverge across tables.
Ranko Richert
Ranko Richert is a physical chemist and professor at Arizona State University known for research on glass transition phenomena and dielectric relaxation in supercooled liquids and glasses.
Ranks and insignia of NATO
Ranks and insignia of NATO: standardized rank codes under STANAG 2116, OF-1 to OF-10 for officers and OR-1 to OR-9 for other ranks, letting member nations compare ranks by command tier.
Ranks and insignia of the German Army (1935–1945)
The ranks and insignia of the German Army (1935–1945) were the rank titles, shoulder boards, and chevrons of the Heer, the Wehrmacht's army branch from 1935.
Ranks and insignia of the Nazi Party
Ranks and insignia of the Nazi Party: paramilitary titles and badges of the NSDAP (c. 1928-1945), with Reichsleiter, Gauleiter, and Blockleiter hierarchy, parallel SS/SA rank systems, and postwar banning under German law.
Ranks and insignia of the officers of the British Army
Officer ranks of the British Army, from Second Lieutenant to Field Marshal, with NATO OF codes, star, crown, and baton insignia, commission by the monarch, and the 1880 insignia system.
Ranks and insignia of the other ranks of the British Army
Ranks and insignia of the other ranks of the British Army: the enlisted grades from Private to Warrant Officer Class One, worn on sleeves, with chevrons, crowns, and the Royal arms, NATO OR-1 to OR-9 codes, and their 1902 and 1915 badge history.
Ranks and insignia of the Waffen-SS
Ranks and insignia of the Waffen-SS: the SS rank hierarchy (from SS-Schütze to Reichsführer-SS) and its badges, collar tabs introduced 1929, shoulder boards, sleeve insignia, and equivalents to Wehrmacht ranks, 1933-1945.
Ranks in Scouts BSA
Ranks in Scouts BSA: the seven sequential ranks Scout, Tenderfoot, Second Class, First Class, Star, Life, and Eagle Scout of Scouting America's Scouts BSA program, covering requirements, boards of review, the Eagle project, and 2024 statistics.
Ranks in the French Army
Ranks in the French Army (grades de l'armée de Terre): the statutory four-tier system from soldat to maréchal de France, set by Article L4131-1, with NATO OF/OR codes, rank histories, and 2025 pay reform.
Ranks of the German Bundeswehr
Ranks of the German Bundeswehr (Dienstgrade der Bundeswehr): 26 ranks in 82 designations across seven rank groups and three career groups, from recruits to General/Admiral (OF-9), with NATO codes, Navy and Medical Service variants, and insignia rules.
Ranks of the People's Liberation Army Ground Force
Ranks of the PLA Ground Force: officer and enlisted ranks of China's army, adopted 1955, abolished 1965, restored 1988, now 10 officer ranks alongside 15 positional grades, shifting to a rank-centered system since 2016.
Ranky Tanky
Ranky Tanky is a Grammy-winning quintet formed in 2016 in Charleston, South Carolina, performing jazz and gospel arrangements of Gullah music; two-time Best Regional Roots Music Album winner for Good Time and Live at the 2022 New Orleans Jazz & Heritage Festival.
Ranma ½ (2024 TV series)
Ranma ½ (らんま½, Ranma Nibun-no-Ichi) is MAPPA's 2024 anime remake of Rumiko Takahashi's manga, directed by Konosuke Uda, premiering October 5, 2024 on Nippon TV and Netflix, more manga-faithful than the 1989 Studio Deen series, with returning leads Yamaguchi, Hayashibara, and Hidaka.
Ranma ½ (らんま½)
Ranma ½ (らんま1/2) is Rumiko Takahashi's martial arts romantic comedy manga, serialized in Weekly Shonen Sunday 1987–1996, 38 volumes, 53 million copies, about Ranma Saotome, cursed to become a girl with cold water, engaged to Akane Tendo; adapted into anime in 1989 and remade from 2024.
Ranma ½: Big Trouble in Nekonron, China (らんま1/2 中国寝崑崙大決戦! 掟やぶりの激闘篇!!)
Ranma ½: Big Trouble in Nekonron, China (らんま1/2 中国寝崑崙大決戦!) is the first Ranma ½ theatrical anime film, released 2 November 1991, 75 minutes, directed by Shuji Iuchi, in which Akane is kidnapped by Prince Kirin over a magic scroll.
Ranma ½: The Movie, Big Trouble in Nekonron, China
Ranma ½: The Movie, Big Trouble in Nekonron, China (らんま1/2 中国寝崑崙大決戦!) is a 1991 Studio DEEN anime film, the first Ranma ½ theatrical feature, directed by Shuji Iuchi, in which Prince Kirin kidnaps Akane over a magic scroll.
Rann (film)
Rann (राण, "Battle") is a 2010 Hindi drama-thriller by Ram Gopal Varma starring Amitabh Bachchan as news channel founder Vijay Harshvardhan Malik, released 29 January 2010, about media corruption and a fabricated anti-Prime Minister broadcast.