317 research outputs found
Backqualität und/oder Brotqualität?
Backqualität spielt eine immer wichtigere Rolle im ökologischen Weizenanbau.
Der Bericht erläutert anhand von zwei Versuchen die geringe Korrelation zwischen Qualitätsparametern und dem Backergebnis. In beiden Versuchen sind die Korrelationen zwischen Labor- / Felddaten und den Resultaten der Backversuche sehr gering (< 0,6), oder unbedeutend (< 0,5). Der Einfluss der Backtechnologie bleibt aufgrund der größeren Bedeutung auf das Backergebnis weiter zu untersuchen
Postural Stability Analysis In Virtual Reality Using the HTC Vive
Postural stability is an important measure for many medical diseases such as Parkinson. In the last years, research focused on using inexpensive and portable devices to measure postural stability, while the visual targets were physical objects in the environment. Sensing balancing boards were used to measure stance forces, while movements of the upper body were not taken into account. Within this paper, postural stability was measured using the HTC Vive. A variation of a virtual fixation point's distance was analyzed and compared to a reference condition with closed eyes. It is shown that body sway in the VR conditions is increased in the anterior-posterior and decreased in the medial-lateral direction
Real walking in virtual environments for factory planning and evaluation
Nowadays, buildings or production facilities are designed using specialized design software and building information modeling tools help to evaluate the resulting virtual mock-up. However, with current, primarily desktop based tools it is hard to evaluate human factors of such a design, for instance spatial constraints for workforces. This paper presents a new tool for factory planning and evaluation based on virtual reality that allows designers, planning experts, and workforces to walk naturally and freely within a virtual factory. Therefore, designs can be checked as if they were real before anything is built.ISSN:2212-827
(Picolinato-κ2 N,O)[tris(2-isopropyl-1H-imidazol-4-yl-κN 3)phosphane]cobalt(II) nitrate
Single crystals of the title compound, [Co(C6H4NO2)(C18H27N6P)]NO3, were obtained from the reaction of nitrato[trisÂ(2-isopropylÂimidazol-4-yl)phosphane]cobalt(II) nitrate with picolinic acid in the presence of potassium tert-butoxide as base. The coordination polyhedron around the central CoII ion is about halfway between square-pyramidal and trigonal-bipyramidal geometry. In the structure, the nitrate counter-anion is connected by N—H⋯O hydrogen bonding to the complex cation. Additionally, the complex cations form one-dimensional chains along [010] by hydrogen bonding of the NH group of an imidazole ring to the picolinate group of a neighbouring complex cation
Partizipative Stadtteilentwicklung Winterthur-Töss : Evaluationsbericht zur Startphase
Der vorliegende Evaluationsbericht behandelt die Startphase des "Projekts Töss" im Winterthurer Stadtteil Töss (2005-2007). Das Hauptziel des Projekts Töss ist die Verbesserung der Lebensqualität in Töss, einem Stadtteil im demografischen und infrastrukturellen Umbruch. In Zusammenarbeit mit einem Team aus Fachleuten verschiedener Hochschulen wurde ein partizipativer Stadtteil-Entwicklungs-Prozess entwickelt und durchgeführt. Es resultierten 28 Projekte und -ideen, die vom Stadtrat grösstenteils umgesetzt werden. Zudem institutionalisierte sich die Bewegung in einem Dachverband der organisierten Bevölkerung von Töss sowie in einer interdepartementalen Projektleitung der Verwaltung
Closing the gap : development of an analytical methodology using volumetric absorptive microsampling of finger prick blood followed by LC-HRMS/MS for adherence monitoring of antihypertensive drugs
Volumetric absorptive microsampling (VAMS), an emerging microsampling technique, is a promising tool for adherence
monitoring. This study focused on development of an analytical methodology to improve VAMS-based strategies for adherence assessment by analyzing angiotensin-converting-enzyme (ACE) inhibitors, loop diuretics, a potassium-sparing diuretic,
and a thiazide diuretic. Development included sample preparation, chromatographic conditions, mass spectrometry settings,
validation, and demonstrating proof of concept. Quantifcation of analytes, by name furosemide, hydrochlorothiazide, lisinopril, torasemide, and the active metabolites, canrenone, enalaprilat, and ramiprilat in fnger prick blood (FPB), was validated
based on international guidelines. Selectivity, carryover, and within/between-run accuracy and precision were in accordance
with the recommendations. The matrix efect was evaluated at three diferent hematocrit levels (HT: 20%, 40%, 60%) and the
coefcients of variation did not exceed 15%. Dilution integrity (1:10 and 1:20) was given for all analytes except lisinopril, yet
for lisinopril, the therapeutic range was already covered by the calibration range. Long-term stability in VAMS tips was tested
for 2 weeks at 24 °C in the dark and revealed no degradation of analytes. The proof of concept was performed by analyzing
35 intakes of ACE-inhibitors and diuretics in 18 VAMS and matched plasma samples. Hereby, determined concentration
in FPB and plasma cannot be used interchangeably, and thus specifc reference ranges for whole blood must be established.
Nevertheless, the VAMS-based strategy was shown to be suitable for assessing adherence of all classes of antihypertensive
drugs used in the guidelines to manage hypertension
Electron rescattering at metal nanotips induced by ultrashort laser pulses
We report on the first investigation of plateau and cut-off structures in
photoelectron spectra from nano-scale metal tips interacting with few-cycle
near-infrared laser pulses. These hallmarks of electron rescattering,
well-known from atom-laser interaction in the strong-field regime, appear at
remarkably low laser intensities with nominal Keldysh parameters of the order
of . Quantum and quasi-classical simulations reveal that a large
field enhancement near the tip and the increased backscattering probability at
a solid-state target play a key role. Plateau electrons are by an order of
magnitude more abundant than in comparable atomic spectra, reflecting the high
density of target atoms at the surface. The position of the cut-off serves as
an in-situ probe for the locally enhanced electric field at the tip apex
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