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Elektrolisis Kolbe atau reaksi Kolbe adalah suatu reaksi organik yang dinamakan sesuai penemunya, Hermann Kolbe.[1][2] Reaksi Kolbe formalnya adalah dimerisasi dekarboksilatif pada dua asam karboksilat (atau ion karboksilat). Reaksi umumnya sebagai berikut: Jika digunakan suatu campuran dari dua karboksilat yang berbeda, seluruh kombinasinya umumnya dipandang sebagai struktur produk organik: 3 R1COO− + 3 R2COO− → R1−R1 + R1−R2 + R2−R2 + 6 CO2 + 6 e− Referensi ^ K...
Artikel ini tidak memiliki referensi atau sumber tepercaya sehingga isinya tidak bisa dipastikan. Tolong bantu perbaiki artikel ini dengan menambahkan referensi yang layak. Tulisan tanpa sumber dapat dipertanyakan dan dihapus sewaktu-waktu.Cari sumber: Abu Sa'id Gorgani – berita · surat kabar · buku · cendekiawan · JSTOR Abu Sa'id Ahmad ibn Muhammad ibn Abd al-Aziz al-Gorgani, yang lebih dikenal sebagai Abu Sa'id Gorgani, adalah seorang ilmuwan Persia ...
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Gurun Kalahari (berwarna maroon) & Cekungan Kalahari (oranye) Gurun Kalahari di Namibia Gurun Kalahari adalah sabana yang terdapat di Afrika bagian selatan dengan luas 900.000 km2 yang meliputi sebagian besar Botswana dan beberapa bagian dari Namibia serta Afrika Selatan. Gurun Kalahari memiliki iklim semi-kering dengan bagian gurun dan terdapat padang rumput setelah terjadinya hujan. Gurun Kalahari juga menjadi habitat dari berbagai binatang dan tanaman, karena bukan sepenuhnya guru...
Diagram that represents a workflow or process Flow chart redirects here. For the poem, see Flow Chart (poem). For the music group, see Flowchart (band). A simple flowchart representing a process for dealing with a non-functioning lamp. A flowchart is a type of diagram that represents a workflow or process. A flowchart can also be defined as a diagrammatic representation of an algorithm, a step-by-step approach to solving a task. The flowchart shows the steps as boxes of various kinds, and the...
Letak Vosges di Prancis Untuk pegunungan, silakan lihat Pegunungan Vosges Vosges adalah sebuah departemen yang terletak di region Lorraine, Prancis. Beribu kota di Épinal, departemen ini memiliki 380.952 penduduk (1999). Ada 3 arrondissement, 31 kanton, dan 515 kotamadya di Vosges. Kota-kota besar Epinal Neufchâteau Saint-Dié-des-Vosges lbsKomune di departemen Vosges Les Ableuvenettes Ahéville Aingeville Ainvelle Allarmont Ambacourt Ameuvelle Anglemont Anould Aouze Arches Archettes Aroffe...
Political convention 1928 Republican National Convention1928 presidential election Nominees Hoover and CurtisConventionDate(s)June 12–15, 1928CityKansas City, MissouriVenueConvention HallCandidatesPresidential nomineeHerbert C. Hoover of CaliforniaVice presidential nomineeCharles Curtis of Kansas‹ 1924 · 1932 › Convention Hall The 1928 Republican National Convention was held at Convention Hall in Kansas City, Missouri, from June 12 to June 15, 1928.[1] Becau...
Grass genus For other uses, see Sorghum (disambiguation). Sorgo redirects here. For the Ragusan family, see Sorgo (family). Sorghum S. bicolor Scientific classification Kingdom: Plantae Clade: Tracheophytes Clade: Angiosperms Clade: Monocots Clade: Commelinids Order: Poales Family: Poaceae Subfamily: Panicoideae Supertribe: Andropogonodae Tribe: Andropogoneae Subtribe: Saccharinae Genus: SorghumMoench 1794, conserved name not Sorgum Adanson 1763 Type species S. bicolor(L.) Moench Synonyms[...
Equations modelling predator–prey cycles This article is about the predator-prey equations. For the competition equations, see Competitive Lotka–Volterra equations. The Lotka–Volterra equations, also known as the Lotka–Volterra predator–prey model, are a pair of first-order nonlinear differential equations, frequently used to describe the dynamics of biological systems in which two species interact, one as a predator and the other as prey. The populations change through time accordi...
Japanese professional wrestler (born 1980) Shinsuke NakamuraNakamura as the IWGP Intercontinental Champion in 2015Birth nameShinsuke NakamuraBorn (1980-02-24) February 24, 1980 (age 44)Mineyama, Kyōto, JapanSpouse(s) Harumi Maekawa (m. 2007)Professional wrestling careerRing name(s) Banzai[1] King Nakamura Nakamura Shinsuke Nakamura Billed height6 ft 2 in (188 cm)[2][3]Billed weight229 lb (104 kg)[...
この項目には、一部のコンピュータや閲覧ソフトで表示できない文字が含まれています(詳細)。 数字の大字(だいじ)は、漢数字の一種。通常用いる単純な字形の漢数字(小字)の代わりに同じ音の別の漢字を用いるものである。 概要 壱万円日本銀行券(「壱」が大字) 弐千円日本銀行券(「弐」が大字) 漢数字には「一」「二」「三」と続く小字と、「壱」「�...
German physicist Horst Ludwig StörmerStörmer in 1998Born (1949-04-06) April 6, 1949 (age 75)Frankfurt, Hesse, Allied-occupied GermanyNationalityGermanAlma materUniversity of Stuttgart Goethe University FrankfurtKnown forFractional quantum Hall effectAwardsOliver E. Buckley Condensed Matter Prize (1984)Nobel Prize in Physics (1998)The Benjamin Franklin Medal (1998)Scientific careerFieldsPhysicsInstitutionsColumbia UniversityBell LabsDoctoral advisorHans-Joachim QueisserDoctora...
土库曼斯坦总统土库曼斯坦国徽土库曼斯坦总统旗現任谢尔达尔·别尔德穆哈梅多夫自2022年3月19日官邸阿什哈巴德总统府(Oguzkhan Presidential Palace)機關所在地阿什哈巴德任命者直接选举任期7年,可连选连任首任萨帕尔穆拉特·尼亚佐夫设立1991年10月27日 土库曼斯坦土库曼斯坦政府与政治 国家政府 土库曼斯坦宪法 国旗 国徽 国歌 立法機關(英语:National Council of Turkmenistan) ...
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Series of prints by Francisco de Goya The Bulls of Bordeaux (French – Les Taureaux de Bordeaux) is a series of four lithographs featuring scenes of bullfighting by the Spanish painter and printmaker Francisco Goya, produced in 1825 during his exile in France. Unlike the series La Tauromaquia which dealt with the performers in bullfighting, The Bulls of Bordeaux deals with bullfighting as a popular spectacle. History The printer Gaulon, lithograph by Goya of Cyprien Gaulon After the French i...
Sander GilléGillé di Prancis Terbuka 2021Kebangsaan BelgiaTempat tinggalHasselt, BelgiaLahir15 Januari 1991 (umur 33)HasseltTinggi185 cm (6 ft 1 in)Memulai pro2013Tipe pemainTangan kanan(backhand satu tangan)PelatihJeff CoetzeeTotal hadiahUS$897.120TunggalRekor (M–K)0–0Gelar0Peringkat tertinggiNo. 574 (24 Desember 2018)GandaRekor (M–K)95–96Gelar6Peringkat tertinggiNo. 24 (8 November 2021)Peringkat saat iniNo. 44 (17 April 2023)Hasil terbaik di Grand Slam (ga...
NGC 2417 الكوكبة الجؤجؤ[1] رمز الفهرس NGC 2417 (الفهرس العام الجديد)PGC 21155 (فهرس المجرات الرئيسية)2MASX J07301209-6215095 (Two Micron All-Sky Survey, Extended source catalogue)IRAS 07295-6208 (IRAS)ESO 123-15 (European Southern Observatory Catalog)IRAS F07295-6208 (IRAS)AM 0729-620 (A catalogue of southern peculiar galaxies and associations)ESO-LV 123-0150 (The surface photometry catalogue of the ESO-Uppsala ga...
فرانتشيسكو غويتشارديني Francesco Guicciardini (بالإيطالية: Francesco Guicciardini) معلومات شخصية الميلاد 6 مارس 1483(1483-03-06)فلورنسا، إيطاليا الوفاة 22 مايو 1540 (57 سنة)أرشيرتي، إيطاليا الحياة العملية المدرسة الأم جامعة بادوفا المهنة مؤرخ، رجل دولة اللغات الإيطالية، واللاتينية[1]، ...
Geography of Solomon IslandsContinentPacific OceanRegionOceaniaCoordinates8°00′S 159°00′E / 8.000°S 159.000°E / -8.000; 159.000AreaRanked 139th • Total29,000[1][2] km2 (11,000 sq mi) • Land96.8% • Water3.2%Coastline5,313 km (3,301 mi)BordersNoneHighest pointMount Popomanaseu2,332 metres (7,651 ft)Lowest pointPacific Ocean0 mExclusive economic zone1,589,477 km2 (613,701 ...
1952 film by George Blair Woman in the DarkTheatrical release posterDirected byGeorge BlairScreenplay byAlbert DeMondProduced byStephen AuerStarringPenny EdwardsRoss ElliottRick VallinRichard BenedictArgentina BrunettiMartin GarralagaCinematographyJohn MacBurnieEdited byJohn L. RiceProductioncompanyRepublic PicturesDistributed byRepublic PicturesRelease date November 15, 1952 (1952-11-15) Running time60 minutesCountryUnited StatesLanguageEnglish Woman in the Dark is a 1952 Amer...