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Feuerfeste Baustoffe in Siemens-Martin-Öfen

Feuerfeste Baustoffe in Siemens-Martin-Öfen

B.M. Larsen; F.W. Schroeder; E.N. Bauer; J.W. Campbell; Phil Walter Steger

Springer-Verlag Berlin and Heidelberg GmbH Co. K
1929
nidottu
Dieser Buchtitel ist Teil des Digitalisierungsprojekts Springer Book Archives mit Publikationen, die seit den Anfängen des Verlags von 1842 erschienen sind. Der Verlag stellt mit diesem Archiv Quellen für die historische wie auch die disziplingeschichtliche Forschung zur Verfügung, die jeweils im historischen Kontext betrachtet werden müssen. Dieser Titel erschien in der Zeit vor 1945 und wird daher in seiner zeittypischen politisch-ideologischen Ausrichtung vom Verlag nicht beworben.
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Chloramphenicol and hydralazine as corrosion inhibitors for steel

Chloramphenicol and hydralazine as corrosion inhibitors for steel

B M Prasanna

Grin Publishing
2017
pokkari
Research Paper (postgraduate) from the year 2016 in the subject Chemistry - Materials Chemistry, grade: 10, language: English, abstract: The corrosion inhibition mechanism of Chlorophenicol and Hydralazine for the mild steel in 1M HCl was studied by chemical, electrochemical and adsorption measurement at 303-333 K temperature regions. The inhibition efficiency of the Chlorophenical and Hydralazine increases with increasing inhibitor but decreases with increase of temperature. The mechanism of the inhibition action attributed due to the adsorption of inhibitor on the surface of the metal, for which this adsorption process obeys Langmuir adsorption isotherm. The electrochemical Tafel analysis shows that the inhibitor acts as a mixed type, and gets adsorbed by either physically or chemically. Surface study was done by scanning electron microscopic method due to the formation of protective film on the metal surface.
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Arkhitekturnye pamjatniki Sankt-Peterburga

Arkhitekturnye pamjatniki Sankt-Peterburga

B.M. Kirikov

Kolo
2019
sidottu
V knige izvestnogo istorika arkhitektury B. M. Kirikova predstavleny sto naibolee znachitelnykh arkhitekturnykh pamjatnikov Sankt-Peterburga XVIII - serediny XX veka. Privedeny svedenija o stroitelstve zdanij i ansamblej, rassmotreny ikh kompozitsionnye i stilevye osobennosti. Samostojatelnye razdely posvjascheny istoriko-gradostroitelnomu formirovaniju goroda na Neve i stroitelstvu mostov.
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Obschestvennyj stroj i kachestvo zhizni cheloveka (istorija, teorija, praktika)

Obschestvennyj stroj i kachestvo zhizni cheloveka (istorija, teorija, praktika)

B.M. Genkin

Nestor-Istorija
2018
nidottu
Na osnove analiza dinamiki protsessov tsivilizatsii obosnovana sistema pokazatelej kachestva zhizni cheloveka. Rasschitany znachenija etikh pokazatelej po dannym otechestvennoj i zarubezhnoj statistiki. Opredeleny vzaimosvjazi pokazatelej kachestva zhizni i parametrov obschestvennogo stroja. Opredeleny vzaimosvjazi parametrov obschestvennogo stroja i pokazatelej kachestva zhizni. Sformulirovana zadacha optimizatsii parametrov obschestvennogo stroja. Predlozheny puti reshenija etoj zadachi.
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Ischeznuvshee svidetelstvo

Ischeznuvshee svidetelstvo

B.M. Sudarushkin

Veche
2020
sidottu
Povest "Ischeznuvshee svidetelstvo" prodolzhaet zadumannuju pisatelem seriju istoricheskikh detektivov. Ona raskryvaet istoriju nakhodki i gibeli drevnego spiska "Slova o polku Igoreve". Pomimo fakticheskikh, poroj neozhidannykh svedenij o "Slove" povest interesna uvlekatelnym istoricheskim sjuzhetom, kotoryj perenosit chitatelja iz sovremennogo Jaroslavlja v drevnij Rostov Velikij, iz gorjaschej Moskvy 1812 goda v usadbu grafa A.I. Musina-Pushkina v Ilovne, iz ujutnoj gorodskoj kvartiry v monastyrskoe knigokhranilische.Prodolzheniem etoj istorii stala povest "Nakhoditsja v rozyske", posvjaschennaja poiskam legendarnoj biblioteki Ivana Groznogo.
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Sekret oprichnika. Prestuplenie v slobode

Sekret oprichnika. Prestuplenie v slobode

B.M. Sudarushkin

Veche
2020
sidottu
Povest "Sekret oprichnika" otkryvaet napisannuju avtorom prikljuchencheskuju seriju istoricheskikh detektivov. V nej rasskazyvaetsja o poiskakh sokrovisch, sprjatannykh v tajnike pri Ioanne Groznom, a takzhe o podlinnykh sobytijakh togo vremeni: o dele Solomonii Saburovoj, o prichinakh Novgorodskogo pogroma, o poiskakh Jantarnoj komnaty, pokhischennoj v gody Vtoroj mirovoj vojny. Povest "Prestuplenie v Slobode" priotkryvaet zavesu tajny nad rassledovaniem obstojatelstv gibeli tsarevicha Ivana. Boris Sudarushkin obogatil detektiv uvlekatelnym istoricheskim soderzhaniem, ispolzuja vse vyrazitelnye vozmozhnosti istoricheskoj prozy, kotoroj ne chuzhdy ostrosjuzhetnost, romantika kollizij i kharakterov.
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Atomnyj proekt. Zhizn za "zheleznym zanavesom"

Atomnyj proekt. Zhizn za "zheleznym zanavesom"

B.M. Pontekorvo

Rodina
2020
sidottu
Uchenik velikogo E. Fermi, sotrudnik F. Zholio-Kjuri, pochetnyj chlen Italjanskoj akademii dei Linchej Bruno Pontekorvo rodilsja v Italii, rabotal vo Frantsii, SSHA, Kanade, Anglii, a bolshuju chast svoej zhizni prozhil v Rossii. Bruno Pontekorvo izvesten kak odin iz veduschikh fizikov epokhi "kholodnoj vojny". V to vremja, kak glavy gosudarstv mechtali o mirovom gospodstve, kotoroe im podarit jadernoe oruzhie, luchshie uchenye vsego mira borolis za "jadernoe ravnovesie" i vsemi vozmozhnymi sposobami staralis ne razryvat prochnye nauchnye svjazi, pomogavshie dvigat nauku vpered. Pontekorvo do poslednikh dnej zhizni podderzhival druzhbu so svoim uchitelem, odnim iz veduschikh uchenykh "Mankhettenskogo proekta" Enriko Fermi, a takzhe vel perepisku s drugimi uchastnikami proekta. Vospominanija etogo uchenogo polny neobychnymi detaljami, opisyvajuschimi zakrytuju i dazhe zasekrechennuju zhizn jadernykh fizikov serediny XX veka. Interesnaja i napolnennaja jarkimi sobytijami sudba, iskljuchitelnyj um i nezavisimye vzgljady pozvolili uchenomu sozdat rjad statej, opisyvajuschikh mir s prostoj i ponjatnoj tochki zrenija fizika. Imenno oni vmeste s vospominanijami o zhizni v Shtatakh i SSSR, i sostavili osnovu etoj knigi.
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Thermoluminescence and dielectric properties of CdSiO3 nanoparticles

Thermoluminescence and dielectric properties of CdSiO3 nanoparticles

B M Manohara

Scholars' Press
2019
pokkari
Thermoluminescence (TL) is extensively used for the study of defects in insulators and semiconducting materials. TL is observed when a part of the irradiation energy is used to transfer electrons to traps. Radiation with appropriate energetic photons causes photo-ionization of the luminescence centers brings the electrons to the conduction band (CB). Some of these electrons traps and occupy levels at depth energy levels below the CB. This energy stores in the form of the trapped electrons will comeout at eleviated temperatures and the materials releases the energy because of this is called TL. Study of the kinetic parameters of the TL peaks is significant for understanding of these mechanisms. Few dielectric materials show transient phenomenon on heating followed by irradiation. These phenomena display the same pattern on behaviour for TL, thermally stimulated conductivity (TSC) and exoelectron emission (TSE). These dielectric materials can be used for radiation dosimeter applications.
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Luminescence Studies of Transition Metal Ion Doped CeO2 Nanophosphors

Luminescence Studies of Transition Metal Ion Doped CeO2 Nanophosphors

B M Manohara

SCHOLARS' PRESS
2020
pokkari
Luminescence studies of rare earth & transition metal ions by using solution combustion method. Recently there is increase in demand for the green synthesis of nanophosphors due to their nontoxic nature, use of environmentally benign precursors in the process that do not release harmful byproducts. Most of the phosphors prepared by physicochemical methods of synthesis reported usually employ organic solvents and toxic reducing agents. These chemicals are highly reactive and pose potential environmental and biological risks. With the increasing interest in elimination of hazardous chemicals, the development of environment friendly biological, biomimetic and biochemical approaches are highly desirable. Biological approaches have more advantages over physicochemical methods. Various techniques were reported to synthesize metal oxide nanostructures. Most of the commercially produced oxide phosphors involve typical process namely raw materials, blending, high temperature treatment, washing, milling, filtering, drying and sieving etc.
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