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Otto Röhm
Otto Karl Julius Röhm (; 14 March 1876, Öhringen, Germany – 17 September 1939, Berlin) was one of the founders and a longtime president of the ''Röhm und Haas'' chemical company which became later in the USA the Rohm and Haas (today ''Dow Chemical'') and in Germany the Röhm GmbH (today '' Evonik Degussa''). Life After completion of an apprenticeship as pharmacy assistant he started to study pharmacy at the universities of Munich and Tübingen. As a graduated apothecary he completed his studies in 1901 at Tübingen with a dissertation in chemistry on "Polymerisation products of the acrylic acid". He is named in over 70 patents as inventor or co-inventor. When he died in 1939, his company Röhm GmbH employed 1800 workers and the annual revenues exceeded 22 million Reichsmark. His name is carried by several streets and other public places in Darmstadt, Weiterstadt and Worms. Career After the university he started as a researcher at the Merck company, later he worked ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Öhringen
Öhringen (East Franconian: ''Ähringe'') is the largest town in Hohenlohe (district) in the state of Baden-Württemberg, in southwest Germany, near Heilbronn. Öhringen is on the railline to Schwäbisch Hall and Crailsheim. With a population of 24,374 (2019), the town is diverse. It is a quaint medieval place, and, among its ancient buildings, boasts a fine Evangelical church () containing carvings in cedar-wood from the 15th century and numerous interesting tombs and monuments; a Renaissance town hall; the building, now used as a library, which formerly belonged to a monastery, erected in 1034; and a palace, the former residence of the princes of Hohenlohe-Öhringen. ''Vicus Aurelii'' to the Romans. Eastwards of it runs the old limes Roman frontier wall, and numerous remains and inscriptions dating from the days of the Roman settlement have been discovered, including traces of three camps. Geography Geographical location Öhringen is located in the western, deeper part o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Reichsmark
The (; sign: ℛ︁ℳ︁; abbreviation: RM) was the currency of Germany from 1924 until the fall of Nazi Germany in 1945, and in the American, British and French occupied zones of Germany, until 20 June 1948. The Reichsmark was then replaced by the Deutsche Mark, to become the currency of West Germany and then all of Germany after the 1990 reunification. The Reichsmark was used in the Soviet occupation zone of Germany until 23 June 1948, where it was replaced by the East German mark. The Reichsmark was subdivided into 100 (Rpf or ℛ︁₰). The Mark is an ancient Germanic weight measure, traditionally a half pound, later used for several coins; (''realm'' in English) comes from the official name for the German state from 1871 to 1945, . History The Reichsmark was introduced in 1924 as a permanent replacement for the '' Papiermark''. This was necessary due to the 1920s German inflation which had reached its peak in 1923. The exchange rate between the old ''Papiermark'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rhein-Main Region
The Rhine-Main Metropolitan Region, often simply referred to as Frankfurt Rhine-Main, Frankfurt Rhine-Main area or Rhine-Main area (German: ''Rhein-Main-Gebiet'', ''Frankfurt/Rhein-Main'' or ''FrankfurtRheinMain'', abbreviated FRM), is the third-largest metropolitan region in Germany after Rhine-Ruhr and Berlin-Brandenburg, with a total population exceeding 5.9 million. The metropolitan region is located in the central-western part of Germany, and stretches over parts of three German states: Hesse, Rhineland-Palatinate, and Bavaria. The largest cities in the region are Frankfurt am Main, Wiesbaden, Mainz, Darmstadt, Offenbach, Worms, Hanau, and Aschaffenburg. The polycentric region is named after its core city, Frankfurt, and the two rivers Rhine and Main. The Frankfurt Rhine-Main area is officially designated as a European Metropolitan region by the German Federal Ministry of Transport, Building and Urban Affairs and covers an area of roughly . The region is the 4th bigges ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Philadelphia
Philadelphia ( ), colloquially referred to as Philly, is the List of municipalities in Pennsylvania, most populous city in the U.S. state of Pennsylvania and the List of United States cities by population, sixth-most populous city in the United States, with a population of 1,603,797 in the 2020 United States census, 2020 census. The city is the urban core of the Philadelphia metropolitan area (sometimes called the Delaware Valley), the nation's Metropolitan statistical area, seventh-largest metropolitan area and ninth-largest combined statistical area with 6.245 million residents and 7.379 million residents, respectively. Philadelphia was founded in 1682 by William Penn, an English Americans, English Quakers, Quaker and advocate of Freedom of religion, religious freedom, and served as the capital of the Colonial history of the United States, colonial era Province of Pennsylvania. It then played a historic and vital role during the American Revolution and American Revolutionary ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Germany
Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total population of over 84 million in an area of , making it the most populous member state of the European Union. It borders Denmark to the north, Poland and the Czech Republic to the east, Austria and Switzerland to the south, and France, Luxembourg, Belgium, and the Netherlands to the west. The Capital of Germany, nation's capital and List of cities in Germany by population, most populous city is Berlin and its main financial centre is Frankfurt; the largest urban area is the Ruhr. Settlement in the territory of modern Germany began in the Lower Paleolithic, with various tribes inhabiting it from the Neolithic onward, chiefly the Celts. Various Germanic peoples, Germanic tribes have inhabited the northern parts of modern Germany since classical ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Esslingen Am Neckar
Esslingen am Neckar (Swabian German, Swabian: ''Esslenga am Neckor''; until 16 October 1964 officially '' Eßlingen am Neckar'') is a town in the Stuttgart Region of Baden-Württemberg in southern Germany, seat of the Esslingen (district), District of Esslingen as well as the largest town in the district. Within Baden-Württemberg it is the List of cities in Baden-Württemberg by population, 11th largest city. It is located on the river Neckar, about southeast of Stuttgart city center. The regions surrounding the city of Esslingen are also mostly developed. Esslingen was a free imperial city for several centuries until it was annexed by Württemberg in 1802. The German Timber-Frame Road passes through the city. History Prehistoric times There is archaeological evidence that what is now the city of Esslingen was settled since the Neolithic period. Traces of human settlement found at the site of the city church date back to around 1000 B.C. Roman times In the 1st century ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Otto Haas
Otto is a masculine German given name and a surname. It originates as an Old High German short form (variants '' Audo'', '' Odo'', '' Udo'') of Germanic names beginning in ''aud-'', an element meaning "wealth, prosperity". The name is recorded from the 7th century ( Odo, son of Uro, courtier of Sigebert III). It was the name of three 10th-century German kings, the first of whom was Otto I the Great, the first Holy Roman Emperor, founder of the Ottonian dynasty. The Gothic form of the prefix was ''auda-'' (as in e.g. '' Audaþius''), the Anglo-Saxon form was ''ead-'' (as in e.g. '' Eadmund''), and the Old Norse form was '' auð-''. Due to Otto von Bismarck, the given name ''Otto'' was strongly associated with the German Empire in the later 19th century. It was comparatively frequently given in the United States (presumably in German American families) during the 1880s to 1890s, remaining in the top 100 most popular masculine given names in the US throughout 1880–1898, but ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tanning (leather)
Tanning, or hide tanning, is the process of treating Skinning, skins and Hide (skin), hides of animals to produce leather. A tannery is the place where the skins are processed. Historically, vegetable based tanning used tannin, an acidic chemical compound derived from the bark of certain trees, in the production of leather. An alternative method, developed in the 1800s, is chrome tanning, where chromium salts are used instead of natural tannins. History Tanning hide into leather involves a process which permanently alters the protein structure of skin, making it more durable and less susceptible to decomposition and coloring. The place where hides are processed is known as a ''tannery''. The English word for tanning is from the medieval Latin verb , from the noun (oak bark). This term may be derived from a Celtic word related to the Proto-Indo-European *' meaning 'fir tree'. (The same root is the source for Old High German meaning 'fir', related to modern German ''Tannenb ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fermentation (biochemistry)
Fermentation is a type of anaerobic metabolism which harnesses the redox potential of the reactants to make adenosine triphosphate (ATP) and organic end products. Organic molecules, such as glucose or other sugars, are catabolized and reduced by donating their electrons to other organic molecules (cofactors, coenzymes, etc.). Fermentation is important in several areas of human society. Humans have used fermentation in the production and preservation of food for 13,000 years. It has been associated with health benefits, unique flavor profiles, and making products have better texture. Humans and their livestock also benefit from fermentation from the microbes in the gut that release end products that are subsequently used by the host for energy. Perhaps the most commonly known use for fermentation is at an industrial level to produce commodity chemicals, such as ethanol and lactate. Ethanol is used in a variety of alcoholic beverages (beers, wine, and spirits) while lactate ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Enzyme
An enzyme () is a protein that acts as a biological catalyst by accelerating chemical reactions. The molecules upon which enzymes may act are called substrate (chemistry), substrates, and the enzyme converts the substrates into different molecules known as product (chemistry), products. Almost all metabolism, metabolic processes in the cell (biology), cell need enzyme catalysis in order to occur at rates fast enough to sustain life. Metabolic pathways depend upon enzymes to catalyze individual steps. The study of enzymes is called ''enzymology'' and the field of pseudoenzyme, pseudoenzyme analysis recognizes that during evolution, some enzymes have lost the ability to carry out biological catalysis, which is often reflected in their amino acid sequences and unusual 'pseudocatalytic' properties. Enzymes are known to catalyze more than 5,000 biochemical reaction types. Other biocatalysts include Ribozyme, catalytic RNA molecules, also called ribozymes. They are sometimes descr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stuttgart
Stuttgart (; ; Swabian German, Swabian: ; Alemannic German, Alemannic: ; Italian language, Italian: ; ) is the capital city, capital and List of cities in Baden-Württemberg by population, largest city of the States of Germany, German state of Baden-Württemberg. It is located on the Neckar river in a fertile valley known as the ''Stuttgarter Kessel'' (Stuttgart Cauldron) and lies an hour from the Swabian Jura and the Black Forest. Stuttgart has a population of 632,865 as of 2022, making it the list of cities in Germany by population, sixth largest city in Germany, while over 2.8 million people live in the city's administrative region and nearly 5.5 million people in Stuttgart Metropolitan Region, its metropolitan area, making it the metropolitan regions in Germany, fourth largest metropolitan area in Germany. The city and metropolitan area are consistently ranked among the List of EU metropolitan regions by GDP#2021 ranking of top four German metropolitan regions, top 5 Europea ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Merck KGaA
The Merck Group, branded and commonly known as Merck, is a German Multinational corporation, multinational science and technology company headquartered in Darmstadt, with about 60,000 employees and a presence in 66 countries. The group includes around 250 companies; the main company is Merck KGaA in Germany. The company is divided into three business lines: Healthcare, Life Sciences and Electronics. Merck was founded in 1668 and is the world's oldest operating chemical and pharmaceutical company, as well as one of the largest pharmaceutical companies globally. Merck operates in Europe, Africa, Asia, Oceania and the Americas. It has major research and development centres in Darmstadt, Boston, Tokyo and Beijing, as well as other Research and Development units in Taiwan, France, Israel, South Korea, India, and the UK. Merck pioneered the commercial manufacture of morphine in the 19th century and for a time held a virtual monopoly on cocaine. Merck was privately owned until going ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
