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AIMS This study was to investigate the methanogenic community in a biogas reactor from start-up to acidification conditions. Furthermore, reliability and accuracy of the applied quantitative real-time PCR method (Q-PCR) was briefly evaluated. METHODS AND RESULTS A mesophilic (37 degrees C), maize silage fed, continuously stirred tank reactor was surveyed.… (More)
We provide an outline of a college-level lecture on systems of differential equations that is intended to offer an alternative, integrative view of the subject. Particular emphasis is placed on the fact that very elementary concepts and insights can be employed to gain access to a very wide range of important applications, including the Schrödinger… (More)
A hospital can avoid unnecessary costs in its construction projects by developing a management structure that is capable of making timely decisions; by negotiating contract documents carefully; and by taking steps to ensure effective management and supervision during design development and construction.
− The calibration of Laser vibrometer is an increasing demand in industry and research. The equipment suggested for use in particular for high frequency calibration, however, is typically of prototype stage and not commercially available. This is due to the demand of the employed homodyne quadrature method for a certain minimum displacement, typically a… (More)
Denoting by v ¯ the velocity flow of a classical particle that is subject to a potential V , we demonstrate that the path-integral formalism of non-relativistic quantum mechanics can be obtained by superimposing wave functions that are solutions of a wave equation which in turn directly corresponds to the probability conservation equation div(ψ * ψv ¯) = 0.