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On Intelligence

The present paper is little more than a modest “spin-off” from a larger historical project on intelligence in the early PRC. It raises and comments on some central aspects of PRC HUMINT penetration (and attempted penetration) of what the People’s Daily at the time called the “espionage apparatuses of the American and Chiang Kai-shek bandit gangs.”

On the Performance of IEEE 802.11 QoS Mechanisms under Spectrum Competition

WLANs based on IEEE 802.11 are becoming more and more popular both in commercial and residential settings. However, the very success of 802.11 may become a threat to the technology itself. Since there are only a limited number of non-overlapping channels available in the IEEE 802.11 WLAN standards, this can lead to interference among WLANs in dense areas. In this paper, we investigate the effects

Deactivation of SCR catalysts by exposure to aerosol particles of potassium and zinc salts

Generated aerosol particle deposition has been applied in laboratory scale to induce deactivation of commercial Selective Catalytic Reduction (SCR) catalysts of V2O5-WO3/TiO2 monolithic type. The monolithic catalyst has been exposed to the generated submicrometer particle of inorganic salts, KCl, K2SO4, and ZnCl2 at 200°C in a tubular reactor. The generated particles have been deposited on the cat

Visual analysis of stance markers in online social media

Stance in human communication is a linguistic concept relating to expressions of subjectivity such as the speakers’ attitudes and emotions. Taking stance is crucial for the social construction of meaning and can be useful for many application fields such as business intelligence, security analytics, or social media monitoring. In order to process large amounts of text data for stance analyses, lin

Numerical Study of Cellular Instability in Burner Stabilized Adiabatic Laminar Premixed Flames

The thesis deals with experiments and numerical simulations of adiabatic laminar premixed flames anchored to a heat-flux burner using different mixtures under various operating conditions. The aim is to obtain a better understanding of cellular instability in heat-flux burner anchored flames. Numerical and experimental studies were carried out to characterize the onset and the evolution of cellula