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Aufsatz
Comparative environmental footprint analysis of ultra-high-performance concrete using Portland cement and alkali-activated materials
(2023-05-22)
Considering the ambitious greenhouse gas emission reduction and efficient use of resource targets set by the Sustainable Development Goals and the importance of concrete structures to achieve these goals, there is an increasing need to study the environmental performance of different concrete production alternatives. Cement is one of the main building materials that contribute significantly to global warming; therefore, studying the environmental performance of innovative binders that can substitute the use of cement ...
Aufsatz
Excessive Nitrate Limits the Sustainability of Deep Compost Mulch in Organic Market Gardening
(2023-05-18)
Market gardening is a widespread practice of bio-intensive vegetable production characterized by direct marketing, small-scale farming structures, high crop densities, and innovative cultivation approaches. Currently, deep compost mulch (DCM) is a popular trend among related growing techniques. The combination of no-till and a permanent mulch of compost aims to improve soil fertility, regulate soil temperature, retain soil moisture, and control weeds. To address the problem of perennial weeds in organic no-till, deep ...
Aufsatz
The Influence of Thermal and Mechanical Stress on the Electrical Conductivity of ITO-Coated Polycarbonate Films
(2023-05-31)
The influence of thermomechanical stress on the conductivity of indium tin oxide (ITO)-coated polycarbonate (PC) films was investigated. PC is the industry’s standard material for window panes. ITO coatings on polyethylene terephthalate (PET) films are the main commercially available option; as such, most investigations refer to this combination. The investigations in this study aim to investigate the critical crack initiation strain at different temperatures and crack initiation temperatures for two different coating ...
Aufsatz
Food and Governmentality in the Green City: The Case of German Food Policy Councils
(2023-03-16)
As an essential urban matter, food has always been highly relevant in issues of social and environmental justice. Current debates around food call for a better understanding of the relationship between global and local food production and social and environmental justice. Specifically, discussions on urban greening concepts are considering whether and how social justice and sustainability goals can be achieved. This has become a pressing issue due to a growing awareness of negative effects and social imbalances in ...
Aufsatz
Prediction Model Based on DoE and FTIR Data to Control Fast Setting and Early Shrinkage of Alkaline-Activated Slag/Silica Fume Blended Cementitious Material
(2023-05-31)
This study aims to develop a material-saving performance prediction model for fast-hardening alkali-activated slag/silica fume blended pastes. The hydration process in the early stage and the microstructural properties after 24 h were analyzed using design of experiments (DoE). The experimental results show that the curing time and the FTIR wavenumber of the Si-O-T (T = Al, Si) bond in the band range of 900–1000 cm−¹ after 24 h can be predicted accurately. In detailed investigations, low wavenumbers from FTIR analysis ...
Aufsatz
Green in grey: ecosystem services and disservices perceptions from small-scale green infrastructure along a rural-urban gradient in Bengaluru, India
(2023-06-25)
Ecosystem services provided by green infrastructure are often discussed for their potential to address the societal challenges of urbanization. However, green infrastructure, particularly small-scale types (e.g. trees), is vulnerable to loss through urbanization and is often passed over during scientific investigations. Studies on the perceptions of ecosystem services and disservices (hereafter called ecosystem (dis)services) dynamics along the ruralurban gradient are particularly rare in the literature. Therefore, ...
Aufsatz
Experimental quantification of site-specific efficiency of Interatomic Coulombic Decay after inner shell ionization
(2023-03-17)
Interatomic Coulombic Decay (ICD) and related interatomic and intermolecular autoionization mechanisms are ubiquitous decay processes of excited atoms and molecules in an environment. It is commonly accepted that the efficiency of ICD of an ionized atom in a cluster increases with an increasing number of nearest neighbors. Here, we present a method for experimental validation of this assumption by a site-specific and quantitative comparison of ICD and its main competitor, Auger decay, in core-level ionized Kr clusters. ...
Aufsatz
Agentic and communal narcissism in predicting different types of lies in romantic relationships
(2023-07-03)
Several studies have investigated a potential positive association between agentic narcissism and general dishonesty, revealing both supportive and contradicting evidence. Few have focused on dishonesty within romantic relationships, a phenomenon that occurs in almost all partnerships. With the present research, we first aimed to extend existing literature on narcissism by including its two complementary facets (i.e., agentic and communal narcissism). Second, we aimed to improve the understanding of narcissists’ lying ...
Aufsatz
Predictors of post-stroke depression: Validation of established risk factors and introduction of a dynamic perspective in two longitudinal studies
(2023-02-13)
Introduction: Cerebral insults lead in many cases not only to cognitive impairment but also to disturbed emotionality. After stroke, one in three survivors develops a depression which impacts quality of life and rehabilitation. Meta-analyses have identified five main predictors of post-stroke depression (PSD): history of mental disorder, stroke severity, physical disability, cognitive impairment, and social support. However, these five established variables have never been conjointly investigated in a sample of stroke ...
Aufsatz
Consumers' body image expressions: Reflection of a Snow White or an Evil Queen
(2023-03-17)
Introduction: The aim of this paper is to explore how minimal-self impacts the body image, projecting it as a reflection of one's approach toward their health and mental well-being.
Methods: The study takes qualitative data from two countries India and Germany and draws on a qualitative study of 20 individuals who are involved in some kind of physical activity for a long time. This paper examines the body image perspectives from Grimms Brothers fairytale characters showcasing fit and healthy perspectives on Snow ...