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Contribution to the development of sustainable sanitation in emerging countries

Alnahhal, Samir (2017)

Sanitation is of special concern to the international community, particularly in emerging countries. Lack of sanitation is one of the world's leading causes of disease and child death. Worldwide, c...

Non-radiative loss mechanisms in InGaN/GaN multiple quantum well light-emitting diodes

Nippert, Felix (2017)

InGaN/GaN quantum wells (QWs) are commonly used for blue and green light-emitting diodes (LEDs), for example in solid-state lighting (SSL). While such structures are already in mass-production, the...

Einsatz von Schlüsselindikatoren zur Berücksichtigung unsicherer Randbedingungen in der Anlagenführung

Werk, Sebastian (2017)

Produktionsprozesse in der chemischen Industrie werden von Operateuren in Leitwarten überwacht und gesteuert. Den Produktionsprozessen liegen komplexe dynamische Modelle zugrunde. Die Zielstellun...

Contribution to modeling of treatment and reuse of industrial wastewater

Hu, Kang (2017)

Membrane bioreactor (MBR) and reverse osmosis (RO) are membrane systems often applied for wastewater treatment and reuse. An integrated water and energy management model (IWEMM) was developed to si...

Band gap engineering: the role of anions

Anke, Björn (2017)

The degradation of harmful organic pollutants with the help of semiconductors is regarded as one of the crucial solutions for waste water treatment. The main disadvantage of extensively used photoc...

Herausforderungen und Konzepte für die Großserien-Kraftfahrzeugendmontage der Zukunft

Jesse, Thomas (2017)

In der vorliegenden Arbeit werden Konzepte für die Großserien-Kraftfahrzeugendmontage entwickelt, welche den derzeitigen Stand der Technik in eine wettbewerbsfähige Endmontage der 2020er Jahre über...

X-ray radiographic and tomographic investigations of cycled lithium ion batteries

Sun, Fu (2017)

Lithium ion batteries (LIBs) have become the predominant power supplies in portable electronic devices such as cell phones, laptops and tablets. They are regarded as promising candidates to power f...

Sustainable value creation by applying industrial engineering principles and methodologies

Bilge, Pinar (2017)

The world already exhausts its limited resources in economic, environmental and social manner. This limitation forces engineering to handle conflicting goals of technology and management in global ...

Determinants of plate leftovers in one German catering company

Lorenz, Bettina A.; Hartmann, Monika; Hirsch, Stefan; Kanz, Olga; Langen, Nina (2017)

Since the majority of food waste in high-income countries occurs at the consumption stage and given the clear trend towards out-of-home food consumption, it is important to understand the factors t...

Hydratationsregulierung einer Suspension aus Hüttensandmehl

Schneider, Nick (2017)

Die vorliegende Arbeit behandelt eine Bindemittelsuspension aus Hüttensandmehl, die sowohl mit einem Verzögerer versetzt ist als auch eine Kombination aus Verzögerer und alkalischem Anreger aufweis...

Free radical-mediated formation of aroma-active aldehydes during beer production and storage and anti-staling effects of the hop dosage

Wietstock, Philip (2017)

Several chemical and molecular changes result in beer off-flavors which become recognizable after a certain storage time thereby reducing the consumer’s acceptance. Elucidating factors and reaction...

Opto-mechanical properties of macromolecules on solid surfaces

Liebig, Tobias (2017)

In order to investigate the mechanical properties of macromolecules, the group led by Professor Rabe at the Humboldt Universität zu Berlin developed a “molecular workbench,” a set of methods and te...

Self-assembly and self-organization of magnetic Janus-like colloids in three dimensions

Yener, Arzu Bahar (2017)

In this thesis, we investigate the recent model of laterally shifted dipoles, i.e. spherical particles carrying a magnetic dipole moment in a non-central position, with a view to selfassembly as we...

Versammlungsfreiheit versus polizeiliche Kontroll- und Überwachungspraxis

Arzt, Clemens; Ullrich, Peter (2016)

Die in Artikel 8 Absatz 1 Grundgesetz garantierte Versammlungsfreiheit ist nach der Rechtsprechung des Bundesverfassungsgerichts ein Kernelement der öffentlichen Meinungsbildung und der politischen...

Prekäre Wissensarbeit im akademischen Kapitalismus

Ullrich, Peter (2016-07)

Patterns of the public discourse on anti-semitism. The example of the reception of the study "anti-semitism as a problem and a symbol"

Ullrich, Peter; Kohlstruck, Michael (2017)

The reception of the Study „Anti-Semitism as a problem and a symbol“ (2015), examining perceptions of Anti-Semitism among stakeholders in Berlin was diverse. Despite this diversity in the study’s r...

Muster der öffentlichen Kommunikation über Antisemitismus. Das Beispiel der Rezeption der Studie "Antisemitismus als Problem und Symbol"

Ullrich, Peter; Kohlstruck, Michael (2017)

The reception of the Study „Anti-Semitism as a problem and a symbol“ (2015), examining perceptions of Anti-Semitism among stakeholders in Berlin was diverse. Despite this diversity in the study’s r...

Investigations of nonlinear surface-wave phenomena and anisotropic photoluminescence of nano-film structures via two-dimensional k-space spectroscopy

Heckmann, Jan (2017)

The investigation of surfaces and thin films is of particular interest in current research as it provides a basis for a multiplicity of applications such as waveguides, sensors, solar cells and opt...

Environmental modelling and spatial ecology with focus on invasive Aedes mosquitoes and emergent mosquito-borne pathogens

Marcantonio, Matteo (2017)

Biological invasions are a side effect of globalisation and human modification of natural systems. Invasive mosquitoes and the pathogens that they carry are leading causes of human suffering. Mosqu...

The effect of tetrahedral boron in tourmaline on the boron isotope fractionation between tourmaline and fluid

Kutzschbach, Martin (2017)

Tourmaline is the most abundant borosilicate in the Earth’s crust and the ratio of its two B isotopes (¹¹B/¹⁰B) helps to unravel the source and evolution of fluids during metamorphic, magmatic and ...