Abstract This article discusses the problem of using and delivering educational content from M oodle learning management system to mobile devices. The primary goal this study was investigate students' habits, motivations technical possibilities in order incorporate mobile‐learning activities e‐learning process. A quiz has been chosen as an activity be delivered on developed application integrated into oodle. interface tailored various types devices aiming foster mainstreaming technologies...

This research presents an experimental study of the effect UV-B radiation (7.5 Wm−2) on change total concentration chlorophyll ΔChl and energy that a plant can store during process photosynthesis. The aim was to investigate spectral lines five genetically different corn hybrids find with better resistance. Chlorophyll fluorescence from leaves used as method. plants were exposed for 19 days. following results obtained: a) there is significant variation between regarding radiation, b)...

The paper investigates effects of detergent for domestic use on the photosynthetic activity and chlorophyll content in intact bean leaves. plants were watered 21 days with a solution washing powder 0.60 g r/l. It was established that apparatus plant leaf PhACNorm [%] decreases exponentially length treatment/watering. At end treatment (21st day) dosed no more than 45% control (those which not solution). With increased duration changed concentration ΔChlNorm rose non-linearly highest change...

Abstract The fluorescence spectra of Y2O3:Eu3+ nanoparticles have been measured under the pressure up to 78 kbar at room temperature. In this range, a red-shift 0.02(1) nm/kbar−1 is noticed for 0–2 line (5D0→7F2 transition). This shift explained by change negative charge surrounding ligands. Compatibility between and calculated values position was obtained. luminescence decay curves 5D0→7F2 transition were studied found behave exponentially all pressures studied. lifetime τ transition)...

In this paper, a modular platform which provides student services for smart educational environment is described. The represents point of mutual integration various services, such as hosting students? projects, integrating SMS service with web applications, Internet Things enables acquiring data from sensors distributed within the University building and controlling actuators. Platform deployed part Smart Learning environment. It integrated single sign on it uses CAS Oauth2. REST API also...

The aim of this study was to assess the effect pressure on position and fluorescence lifetime for transition in within 0 - 104 kbar range. relationship between line is given by linear regression: (kbar). change with can be expressed an exponential decay: .

We investigated the effect of a permanent magnetic field as an environmental factor on fluorescence spectra and temperature intact plant leaves. It has been shown that fields can induce significant changes in leaf temperature. The intensity ratio (FIR) change ΔT increase with intensity. due to is explained simple model. Reasonable agreement between calculated ΔT, based model, measured was obtained.

The influence of high pressure (0-200 kbar) on the lifetime τ 2E metastable level Cr3+ ion ruby is considered. essentials dependence can be understood by assuming a change oscillator strength, coordination number and effective charge under pressure. On basis these concepts calculated results for are found in good agreement with experimental data up to 120 kbar.

In this paper, the effect of hydrostatic pressure at room temperature on emission spectra and fluorescent lifetime R1 line in LaMgAl11O19:Cr3+, Nd3+ crystal has been studied. Research was carried out interval between 0 99.88 kbar. On basis position R (2E → 4A2 transition) spectrum, we have concluded that induces red-shift – Δλ. The significant change τ for with also noticed. induced by can be explained a simple model. A good correlation theoretical experimental values Δλ within question achieved.

The subject of this paper is the application artificial intelligence for detecting emotions in neuromarketing. goal to enable identification user through a webcam, using convolutional neural networks. first part describes networks, basic types, and their differences. greatest attention has been given description A Convolutional Neural Network, also known as CNN, specialized processing data that grid-like topology, such an image. User emotion recognition enabled face-api.js library. It...