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wyszukanych pozycji: 607
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Liquid Crystalline of Alumina : Grafted with Acrylic Acid and Organic Monomers and its Adsorption Properties
ISBN: 9783639365757 / Angielski / Miękka / 2011 / 128 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych (Dostawa w 2026 r.) In this work commercial ceramic material aluminum oxide (alumina, Al2O3) was grafted and extended by three different monomers using free radical polymerization. These monomers are acrylic acid, 4-(4'-butoxy- and 4'-octoxybenzylideneamino) phenylmthacrylate to produce three polymers; polymer A, polymer B and polymer C. The last two polymers showed liquid crystalline properties. The ability of these three alumina-grafted polymers was examined for adsorption of phenol and p-chlorophenol under different conditions i.e., initial concentrations, pH and temperatures.
In this work commercial ceramic material aluminum oxide (alumina, Al2O3) was grafted and extended by three different monomers using free radical polym...
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cena:
263,29 |
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Removing of Some Organic and Inorganic Pollutants
ISBN: 9783843363297 / Angielski / Miękka / 2010 / 212 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych (Dostawa w 2026 r.) The use of Iraqi Clay Minerals (ICM) for the removal of hazardous organic and inorganic water pollutants is investigated using synthetic aqueous solutions. Four locally available clays namely, bentonite, kaolinite, porcelainite and diatomite, were purified, sampled and characterized by XRD, XRF, FTIR spectroscopy and SEM. The surface areas were determined using BET and methylene blue adsorption method. Cation exchange capacity (CEC) was estimated using the method of adsorbing an ethylenediamine complex of copper method and the modifier loading was calculated from the total carbon analysis....
The use of Iraqi Clay Minerals (ICM) for the removal of hazardous organic and inorganic water pollutants is investigated using synthetic aqueous solut...
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cena:
352,54 |
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Durability Study of High Impact Polystyrene
ISBN: 9783845476513 / Angielski / Miękka / 68 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych (Dostawa w 2026 r.) The durability of high impact polystyrene (HIPS) as food packaging of dairy products was studied. Samples cut from container made from HIPS were exposed to different weathering conditions for 25, 50, 75 and 100 hours and with two stages tests before and after being used in food packaging using artificial aging in Xenontest-150 device. Three mechanical properties, tensile strength, elongation at break and impact strength were measured before and after the exposure to UV radiation. In general all mechanical properties decrease with time of exposure to UV light. Embrittlement of HIPS with...
The durability of high impact polystyrene (HIPS) as food packaging of dairy products was studied. Samples cut from container made from HIPS were expos...
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cena:
218,66 |
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Removal of Nitrophenols by Modified Attapulgite
ISBN: 9783659235061 / Angielski / Miękka / 2012 / 116 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych (Dostawa w 2026 r.) This thesis concerns with the use of Iraqi Clay (attapulgite) for the removal of hazardous organic water pollutants, namely o-nitrophenol, m-nitrophenol and p-nitrophenol from their aqueous solutions. Attapulgite was modified by surfactant (hexadecyltrimethylammonium bromide (HDTMA)). Attapulgite and its modified form (A-HDTMA), were purified, sampled and characterized by X-ray diffraction (XRD), FTIR spectroscopy, scanning electron microscope (SEM) and energy dispersive X-ray spectroscopy (EDS) technique. Batch experiments were carried out at pre determined equilibration time, solution pH,...
This thesis concerns with the use of Iraqi Clay (attapulgite) for the removal of hazardous organic water pollutants, namely o-nitrophenol, m-nitrophen...
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cena:
218,66 |
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Une recherche herméneutique en didactique de la microbiologie
ISBN: 9786131583759 / Francuski / Miękka / 2018 / 132 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych (Dostawa w 2026 r.) Le livre comporte une recherche hermA(c)neutique que nous avons menA(c)e A propos des conceptions des A(c)lA]ves sur les potentialitA(c)s du monde microbien. Au cours d'une enquAate exploratoire, nous avons constatA(c) que pour la quasi-totalitA(c) de nos A(c)lA]ves les microbes sont des organismes mystA(c)rieux et malfaisants, qui ne sont considA(c)rA(c)s qu'au travers des maladies graves que certains d'entre eux provoquent chez l'homme et les animaux. Cette reprA(c)sentation massive occulte complA]tement le fait que nous ne saurions vivre sans eux. En effet, la dA(c)couverte du monde...
Le livre comporte une recherche hermA(c)neutique que nous avons menA(c)e A propos des conceptions des A(c)lA]ves sur les potentialitA(c)s du monde mic...
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cena:
249,46 |
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L'Expérimentation Stratégique Du Business Model
ISBN: 9783838188850 / Francuski / Miękka / 2018 / 440 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych (Dostawa w 2026 r.) Face A un environnement hyper compA(c)titif et en constante mutation, les entreprises sont souvent amenA(c)es A reconsidA(c)rer leur modA]le de crA(c)ation de valeur. Ceci passe souvent par une dA(c)marche d'expA(c)rimentation stratA(c)gique. DA(c)finie comme un processus itA(c)ratif d'essai et d'erreur par lequel les entreprises explorent de nouvelles sources de revenus et testent de nouveaux concepts d'affaires, l'expA(c)rimentation stratA(c)gique s'associe A une heuristique de changement et d'innovation du business model. Dans cette recherche, nous rA(c)pondons A la question de savoir:...
Face A un environnement hyper compA(c)titif et en constante mutation, les entreprises sont souvent amenA(c)es A reconsidA(c)rer leur modA]le de crA(c)...
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cena:
512,75 |
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Raffinement Et Refactoring de Spécifications UML
ISBN: 9786131574573 / Francuski / Miękka / 2018 / 184 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych (Dostawa w 2026 r.) La spA(c)cification de systA]mes complexes est une tA che difficile qui ne peut Aatre accomplie en une seule A(c)tape. Dans les mA(c)thodes formelles, le concept de raffinement a donnA(c) lieu A de nombreux travaux dans lesquels la preuve de la correction entre les diffA(c)rents A(c)tats de spA(c)cifications joue un rAle important. L'activitA(c) de refactoring consiste A restructurer un modA]le en vue d'amA(c)liorer certains facteurs de qualitA(c), tout en prA(c)servant la cohA(c)rence de ce modA]le.Ce travail prA(c)conise l'utilisation de deux techniques de raffinement et de refactoring afin...
La spA(c)cification de systA]mes complexes est une tA che difficile qui ne peut Aatre accomplie en une seule A(c)tape. Dans les mA(c)thodes formelles,...
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cena:
263,29 |
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La Résolution Européenne de Larticle 88-4 de la Constitution
ISBN: 9783841636300 / Francuski / Miękka / 2018 / 424 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych (Dostawa w 2026 r.) L'usage de la resolution a debute en 1992, quand un nouvel article, le 88-4, a ete introduit dans la Constitution, donnant pour la premiere fois a l'Assemblee nationale et au Senat le droit de voter des resolutions sur des projets et propositions d'actes communautaires soumis par le Gouvernement. Le but de cet avantage en faveur du Parlement etait de mettre en vigueur un controle parlementaire sur la politique europeenne du Gouvernement. Au cours des annees, la pratique de la resolution europeenne montre l'inefficacite du role du Parlement au niveau europeen. La portee de la resolution...
L'usage de la resolution a debute en 1992, quand un nouvel article, le 88-4, a ete introduit dans la Constitution, donnant pour la premiere fois a l'A...
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cena:
615,38 |
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Le Transport de Demain: L Avion À Fuselage Intégré
ISBN: 9783841736536 / Francuski / Miękka / 2018 / 128 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych (Dostawa w 2026 r.) L'avion A fuselage intA(c)grA(c) (Blended Wing Body en anglais) est basA(c) sur le concept d'aile volante et prA(c)sente des performances amA(c)liorA(c)es comparA(c) A des avions conventionnels. L'objectif principal de cette A(c)tude est d'effectuer la conception conceptuelle d'un avion de type BWB de 200 passagers et de comparer les performances obtenues A un avion classique l'A320 A(c)quivalent en termes de nombres de passagers et distance franchissable. Un processus d'optimisation est implA(c)mentA(c) afin d'obtenir des performances amA(c)liorA(c)es tout en respectant les contraintes.
L'avion A fuselage intA(c)grA(c) (Blended Wing Body en anglais) est basA(c) sur le concept d'aile volante et prA(c)sente des performances amA(c)liorA(...
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cena:
249,46 |
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Dehydration of Ethanol-Water Azeotropic Mixture
ISBN: 9783848438259 / Angielski / Miękka / 2012 / 72 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych (Dostawa w 2026 r.) The potential use of raw and activated phillipsite as well as calcium chloride salt for separating the ethanol-water azeotropic mixture in the adsorptive distillation process was assessed in this book 4A molecular sieves was taken as a reference adsorbent to which the water adsorption on selected materials was compared. The breakthrough curves of water sorption on these adsorbents showed that the treatment of phillipsite with 1M calcium chloride (1M-phillipsite) produced the best separation of the ethanol-water azeotropic mixture, where the breakthrough time is about 55 mins which is almost...
The potential use of raw and activated phillipsite as well as calcium chloride salt for separating the ethanol-water azeotropic mixture in the adsorpt...
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cena:
218,66 |
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learn about animals: step by step
ISBN: 9798333030153 / Angielski / Miękka / 2024 / 32 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Dostawa w 2026 r.) |
cena:
47,89 |
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The Hidden Message in the Bible
ISBN: 9780980119701 / Angielski / Miękka / 2008 / 208 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Dostawa w 2026 r.) Halloum argues that there are clear messages in the Bible about the coming of the Prophet Mohammad and Islam, and that Jesus was not God, nor the son of God, but only a prophet who delivered God's message.
Halloum argues that there are clear messages in the Bible about the coming of the Prophet Mohammad and Islam, and that Jesus was not God, nor the son ...
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cena:
50,51 |
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Der politische Islam in Marokko : Abd assal m Y ss n und seine Vereinigung für Gerechtigkeit und Wohltätigkeit(al Adl wal I s n)
ISBN: 9783639384086 / Niemiecki / Miękka / 2011 / 68 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych (Dostawa w 2026 r.) |
cena:
160,65 |
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Il grano duro e le erbe infestanti
ISBN: 9786209105340 / Włoski / Miękka / 2025 / 68 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych (Dostawa w 2026 r.) |
cena:
195,91 |
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Without Your Job Title, Who Are You?: Connecting with the real you and unlocking your highest purpose
ISBN: 9781761241253 / Angielski / Miękka / 2023 / 230 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Dostawa w 2026 r.) |
cena:
110,23 |
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Inspiratory Muscle Training
ISBN: 9786200064318 / Angielski / Miękka / 2019 / 80 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych (Dostawa w 2026 r.) |
cena:
97,73 |
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Human Activities Recognition in Still Image
ISBN: 9783659879531 / Angielski / Miękka / 2016 / 260 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych (Dostawa w 2026 r.) |
cena:
334,25 |
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No Karaz: Part 1
ISBN: 9798859371945 / Angielski / Miękka / 2023 / 208 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych (Dostawa w 2026 r.) |
cena:
39,91 |
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Investigating Different Types of Variability in Food Production System
ISBN: 9783330056343 / Angielski / Miękka / 2017 / 220 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych (Dostawa w 2026 r.) |
cena:
311,93 |
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Bioinzheneriq i äxpressiq gena FVIII cheloweka
ISBN: 9786203010992 / Rosyjski / Miękka / 100 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych (Dostawa w 2026 r.) |
cena:
169,13 |
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