Results 111 to 120 of about 11,082,453 (193)
Beilstein Journal of Organic Chemistry, 2016 The synthesis of key 4-alkyl-substituted 5-(trimethylsilyl)thiophene-2-boronic acid pinacol esters 3 allowed a simplified alkylthiophene catenation process to access bis-, ter-, quater-, and quinquethiophene π-bridges for the synthesis of acceptor–π ...
Paul B. Geraghty +7 more
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Computational Analysis of the Flow and Acoustic Effects of Jet-Pylon Interaction [PDF]
Computational simulation and prediction tools were used to understand the jet-pylon interaction effect in a set of bypass-ratio five core/fan nozzles. Results suggest that the pylon acts as a large scale mixing vane that perturbs the jet flow and jump ...
Abdol-Hamid, K. S. +5 more
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Analisa Struktur Mikro Dan Sifat Mekanik Pada Copper-iron Melalui Proses Mechanical Milling Dan Continuous Sintering [PDF]
, 2017 Mechanical Alloying (MA) / Mechanical Milling (MM) is a process of processing of solid metal powders including the union and re-destruction of powder particles by using high-energy ball mill.
Anggraini, L. (Lydia) +1 more
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The double universal joint wrist on a manipulator: Solution of inverse position kinematics and singularity analysis [PDF]
This paper presents three methods to solve the inverse position kinematics position problem of the double universal joint attached to a manipulator: (1) an analytical solution for two specific cases; (2) an approximate closed form solution based on ...
Williams, Robert L., III
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The Application of Clinical Genetics, 2010 Fabricio González-Andrade1, Ramiro López-Pulles21Department of Medicine, Metropolitan Hospital, Quito, Ecuador; 2Science and Technology Process of the Ministry of Public Health, Biomedical Center of the Central University and ...
Fabricio González-Andrade +1 more
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Habilidades cognitivas e projectos de vida: Estudo na transição do 1º para o 2º ciclo de escolaridade [PDF]
, 2006 Resumo: Neste estudo os autores, tomando um grupo de alunos do 5º e 6º anos de escolaridade (n=1166) provenientes de comunidades urbanas e rurais, analisam as correlações entre as habilidades cognitivas avaliadas através de uma bateria de quatro provas ...
Almeida, Leandro S. +3 more
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A Leading Indicator for the Dutch Economy – Methodological and Empirical Revision of the CPB System [PDF]
Since 1990 the Netherlands Bureau for Economic Policy Analysis (CPB) uses a leading indicator in preparing short-term forecasts for the Dutch economy.
Henk C. Kranendonk +2 more
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Islamic Microfinance in Indonesia [PDF]
Indonesia, the largest Muslim country, has a highly differentiated micro- and rural finance sector which has evolved over more than a century. Islamic finance has emerged in 1991, comprising Islamic commercial banks and banking units, rural banks, and ...
Dwi Agung, Wahyu, Seibel, Hans Dieter
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O impacto das variáveis cognitivas no rendimento escolar [PDF]
, 2009 Nesta comunicação propomo-nos: (i) discutir o conceito de inteligência no âmbito da psicometria; (ii) analisar em que medida os desempenhos cognitivo e escolar se relacionam; (iii) analisar a importância das variáveis cognitivas na predição do ...
Almeida, Leandro S. +3 more
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Impact of Azimuthally Controlled Fluidic Chevrons on Jet Noise [PDF]
, 2008 The impact of azimuthally controlled air injection on broadband shock noise and mixing noise for single and dual stream jets was investigated. The single stream experiments focused on noise reduction for low supersonic jet exhausts.
Henderson, Brenda S., Norum, Thomas D.
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