Sol-Gel Synthesis of Transparent Alumina Gel and Pure Gamma Alumina by Urea Hydrolysis of Aluminum NMacêdo, M. I. F.; Osawa, C. C.; Bertran, C. A.; gamma-Alumina was synthesized by a sol-gel method with the aluminum ion hydrolysis control performed by urea. The initial saturated Al3+/urea solution presented urea coordinated with the aluminum ion, as shown in the 13C NMR and…; |
Information Revelation and Privacy in Online Social Networks (The Facebook case)Ralph Gross; Alessandro Acquisti; Participation in social networking sites has dramatically increased in recent years. Services such as Friendster, Tribe, or the Facebook allow millions of individuals to create online profiles and share personal information with vast networks of…; |
The Agile Scaling Model (ASM): Adapting Agile Methods for Complex EnvironmentsScott W. Ambler; The Agile Scaling Model (ASM) defines a roadmap for effective adoption and tailoring of agile strategies to meet the unique challenges faced by a system delivery team. The first step to scaling agile strategies is…; |
A cabeça de Steve JobsLeander Kahney; Steve Jobs adotou traços de sua personalidade para conduzir a Apple, empresa que fundou e preside, ao triunfo. E, neste processo, tornou-se bilionário. Assim como Jobs, este é um livro singular. Ao mesmo tempo uma…; |
Web 2.0 and Its Impact on Organisational Knowledge StrategiesRAFAEL NAVARRO FONTESTAD; Today, information overload and the lack of systems that enable locating employees with the right knowledge or skills are common challenges that large organisations face. This makes knowledge workers to re-invent the wheel and have…; |
Kinetics of the γ → α-alumina phase transformation by quantitative X-ray diffractionMacêdo, Maria Iaponeide Fernandes; Bertran, Celso Aparecido; Osawa, Carla Cristiane; This work reports the kinetics of α-alumina transformation from γ-alumina, prepared by the sol-gel method from a solution of saturated aluminum nitrate and urea. The γ-alumina phase transformed directly into α-alumina at 750, 800, 850…; |
DEVELOPMENT AND VALIDATION OF A KNOWLEDGE MANAGEMENT CAPABILITY ASSESSMENT MODELUday Kulkarni; Ronald Freeze; ; Although many assessment tools and methodologies for measuring knowledge management capabilities are becoming available in the practitioner world, none of them has been tested for validity. In this paper, we first present a knowledge management…; |
Insights from KPMG?s European Knowledge Management Survey 2002/2003Gerard Kok, S. J. ; Preface KPMG\'S KNOWLEDGE MANAGEMENT SURVEY 2002/2003 Recently KPMG Knowledge Advisory Services conducted a detailed survey on knowledge management among top 500 organisations in the United Kingdom, France, Germany and the Netherlands. The aim of the…; |
Transient modeling of an adsorber using finned-tube heat exchangerRiffel, D. B.; Wittstadt, U.; Schmidt, F. P.; Núñez, T.; BELO, F. A.; LEITE, A. P. F.; Ziegler, F.; This paper presents a heat and mass transfer simulation of an adsorber, taking into consideration the geometry of the heat exchanger and the diffusion in the adsorbent medium. The model is validated by experimental data…; |
Insects of forensic importance from Rio Grande do Sul state in southern BrazilSouza, A. S. B. D.; Kirst, F. D.; Krüger, R. F.; ; Insects of forensic importance from Rio Grande do Sul state in southern Brazil. The experiment was conducted throughout the year 2005, at the Universidade Federal de Pelotas campus. The objectives of the study were to…; |