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Drivers of farmers market participation in southeast Nigeria
(2020-10-29)
The objective of this paper was to investigate the drivers of farmers’ participation in the output market for yellow pepper using a sample of 420 randomly selected producers from 8,500 farmers in selected markets in southeast Nigeria. The heterogeneity of smallholder market participation was modelled with quantile regression. The variables that affected all the quantiles (i.e. for subsistence, semi-subsistence, intermediate, semi-commercial and commercially oriented farms) are the distance to the trading centre and ...
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Fluorescence Microscopic Investigations of the Retarding Effect of Superplasticizers in Cementitious Systems of UHPC
(2020-02-27)
The adsorption of superplasticizer molecules to particle surfaces in cementitious systems is a very important aspect for the desired liquefaction of pastes and concretes. This way, the comb shaped polymers shield attractive forces between the particles and induce a well-dispersed, homogeneous suspension. These admixtures allow the usage of fine fillers even in combination with low amounts of mixing water, and thus, are the basis for modern high performance concretes. However, the adsorption does not cause beneficial ...
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Schritte und Hindernisse auf dem Weg zu einem inklusiven Ausbildungssystem
(2015)
Die gemeinsame Beschulung von Kindern und Jugendlichen mit und ohne Behinderungen wird seit Jahrzehnten von vielen Pädagog/innen in Deutschland als Mittel zur optimalen Förderung und zur Durchsetzung der sozialen Integration und Inklusion von Menschen mit Behinderungen favorisiert. Aber was bringt ein inklusives Schulsystem, wenn der Übergang in Ausbildung und Beruf nicht inklusiv gestaltet ist?
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Wünschenswerte Erschwernisse beim Lernen
(2015)
Der Beitrag beleuchtet didaktische Maßnahmen, die unter dem Begriff „Wünschenswerte Erschwernisse“ zusammengefasst werden. Diese Maßnahmen erschweren zwar kurzfristig das Lernen, langfristig aber fördern sie das Behalten und den Transfer des Gelernten. Vier dieser wünschenswerten Erschwernisse sind empirisch besonders gut belegt: 1) Das verteilte Lernen, 2) das verschachtelte Lernen, 3) der Testungseffekt und 4) der Generierungseffekt. Zu jeder dieser wünschenswerten Erschwernisse werden aktuelle Forschungsergebnisse ...
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Do We Pronounce Quotation? An Analysis of Name-informing and Non-name-informing Contexts
(2019-12-23)
Quotation marks are a tool to refer to the linguistic form of an expression. For instance, in cases of so-called pure quotation as in “Hanover” has three syllables, they point to the syllabic characteristics of the name of the town of Hanover. Cases of this nature differ from sentences like Hanover is a town in New Hampshire, in which Hanover is used denotationally and, thus, refers to the town of Hanover itself. Apart from quotation marks, other means such as italics, bold, capitalization, or air quotes represent ...
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Memorization and the morphology-syntax divide: A cross-linguistic investigation
(2016)
This study investigates the memorization of complex lexical items from a cross-linguistic perspective and in the context of the debate about the demarcation between morphology and syntax. For this purpose, we conducted an experimental study in which German, French and English adjective-noun/noun-adjective combinations (e.g. Jungtourist, jeune touriste, YOUNG tourist, young TOURist) were tested with respectto how well they were memorized. Using existing nouns (e.g. Architekt, architecte, architect) as a baseline, we ...
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Adapting Kano's Theory for weighting and implementing customers requirements on a software tool for assessing human reliability in manual assembly
(2018)
The following paper illustrates the conception of an Excel-based software tool developed to predict human error probabilities in manual assembly lines. In this regard, the paper clearifies how reliable risk analyses of manual work tasks can be carried out with the help of a software tool. Furthermore, to initiate a high user-friendliness, a high acceptance and a high level of dissemination, this paper deals with a Kano survey concerning customer requirements on the developed software tool. As a result, it will be ...
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Review of Flux Interaction of Differently Aligned Magnetic Fields in Inductors and Transformers
(2020-12-24)
Magnetic devices are used in the majority of power electronic applications, e.g. power electronic converters, mains filters or burst/surge protection. Typically, they are the bulkiest and most cost-intensive components. Flux interaction of differently aligned magnetic fields in inductors and transformers can be one opportunity for size and cost reduction. It enables controllable magnetic devices through an additional manipulated variable to improve application design. The presented article gives an overview about ...
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“Reasonable Accommodation” and “Accessibility”: Human Rights Instruments Relating to Inclusion and Exclusion in the Labor Market
(2016-01-06)
Ableism is a powerful social force that causes persons with disabilities to suffer exclusion. The UN Convention on the Rights of Persons with Disabilities (CRPD) is based on the human rights principles of equality and freedom for all people. This Convention contains two human rights instruments: the principle of accessibility and the means of reasonable accommodation, which can be used to protect the human rights of disabled persons. The extent to which they are used depends on whether the state implements the ...
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Ereigniskonzeptualisierung im Zweitspracherwerb - Thinking for Speaking im Vergleich von Muttersprachlern und Lernern
(2013)
The grammatical categories of our language can influence how we concep-tualize situations and events (Slobin 1996). A variety of studies have investigated the influence of grammatical aspect on event conceptualization and found language-specific perspectivation strategies (Stutterheim 2012): Speakers of languages with grammaticized aspect preferentially focus on dynamic event components, while speakers of non-aspect languages conceptualize events holistically by including an inferable resultant state in their ...