Results 111 to 120 of about 18,873 (207)

O mercado nacional e seus agentes: reflexões sobre a indústria cinematográfica brasileira na primeira década do século XXI

open access: yesVozes e Diálogo, 2016
No início do século XXI, a indústria cinematográfica brasileira é marcada por modificações em seu processo de reestruturação institucional. Essas transformações ocorreram por mudanças políticas e econômicas vividas no Brasil, durante a década de 90 ...
Marilia Schramm Regio
doaj  

Main‐chain polyfullerenes: Taking fullerene to the next dimension

open access: yesPolymer International, EarlyView.
This short review appraises main‐chain polyfullerenes. Their slow development over 30 years has suddenly boomed with a rapid growth due to exciting developments in solar energy. Abstract This mini‐review gives an overview of the development, chemistry, properties and applications of main‐chain polyfullerenes.
Marco Antônio GB Gomes   +4 more
wiley   +1 more source

Conexões entre inteligência política e manutenção do poder em Nicolau Maquiavel

open access: yesConexões Culturais, 2015
RESUMOO Príncipe, escrito em 1513 e publicado em 1531, quatro anos depois da morte de Nicolau Maquiavel (1469-1527), após mais de cinco séculos de sua redação continua sendo reproposto permanentemente por meio de várias traduções, nem sempre coerentes ...
Fábio Régio Bento
doaj  

Exploring the Fragmentation of Sodiated Species Involving Covalent‐Bond Cleavages for Metabolite Characterization

open access: yesRapid Communications in Mass Spectrometry, EarlyView.
ABSTRACT Rationale Electrospray (ESI), the most popular desorption/ionization technique used in mass spectrometry‐based metabolomics, generates both protonated and deprotonated molecules, as well as adduct ions, sodium being the most frequent monoatomic cation entering their composition.
Annelaure Damont   +9 more
wiley   +1 more source

Időskori szociális ellátás a nyugat-dunántúli régió aprófalvaiban

open access: yes, 2017
Magyarország korszerkezetére az idıskorúak arányának évrıl-évre történő emelkedésejellemzı, ami egyre komolyabb kihívást jelent a szociális ellátórendszer számára. AKözponti Statisztikai Hivatal adatai szerint 2011-ben a népesség 16,7%-a tartozott a 
András, Balogh
core   +1 more source

A fej-nyaki régió bőrének precancerosisai és malignus daganatai

open access: yes, 2016
A munkámhoz szükséges beteganyagot a egri Markhot Ferenc Oktatókórház és Rendelőintézet Fül-Orr-Gégészeti Osztályán illetve ambulanciáinak adatbázisából gyűjtöttem, a 2011. január 01- 2013. december 31. közötti időszakra koncentrálva.
Kálmánczi, Anna
core  

Oxaziridines: Versatile Reagents in Modern Organic Synthesis

open access: yesThe Chemical Record, EarlyView.
Being capable of transferring an O atom and N‐group/atom, oxaziridines are considered multitasking agents. These are employed for diverse organic transformations, such as epoxidation of olefins, α‐ and γ‐hydroxylation/amination of carbonyl compounds, oxidation of sulfides, [3+2]cycloaddition with unsaturated systems.
Ajeet Chandra   +2 more
wiley   +1 more source

AS IMAGENS E SONS ATORDOANTES DE RÉQUIEM PARA UM SONHO

open access: yesVozes e Diálogo, 2013
O presente trabalho aborda uma análise de Réquiem para um sonho (Réquiem for a dream, 2000), filme do diretor norte-americano Darren Aronofsky. O objetivo é examinar através da análise fílmica, a representação da linguagem cinematográfica da produção ...
Marilia Schramm Regio
doaj  

Sulfur‐ and Selenium‐Decorated Coumarins: Synthetic Strategies Involving Cyclization and Late‐Stage Functionalization

open access: yesThe Chemical Record, EarlyView.
Two decades of synthetic strategies for sulfur‐, selenium‐decorated coumarins are critically surveyed through 44 literature reports, with particular emphasis on derivatives functionalized at the C‐3 and C‐4 positions. This review reports the direct construction of the coumarin framework through cyclization processes and late‐stage functionalization of ...
Bruna R. Schneider   +6 more
wiley   +1 more source

Metal‐Catalyzed Benzannulation: Recent Advances in Catalyst Design, Mechanistic Insights, and Aromatic Framework Construction

open access: yesThe Chemical Record, EarlyView.
This review offers a contemporary overview of metal‐catalyzed benzannulation (2018–present) encompassing transition, main‐group, post‐transition, and rare‐earth‐metal catalysts. It systematically highlights catalyst design, mechanistic insights, stereo‐ and regioselectivity, and synthetic applications toward aromatic and heteroaromatic scaffolds, while
Sana Jamshaid   +5 more
wiley   +1 more source

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