Filters
total: 6595
filtered: 4694
-
Catalog
- Publications 4694 available results
- Journals 24 available results
- People 351 available results
- Inventions 52 available results
- Projects 80 available results
- Laboratories 4 available results
- Research Teams 30 available results
- Research Equipment 4 available results
- e-Learning Courses 896 available results
- Events 11 available results
- Open Research Data 449 available results
Chosen catalog filters
displaying 1000 best results Help
Search results for: drop panel
-
HEAT TRANSFER CHARACTERISTICS OF ENHANCED SHELL AND COIL HEAT EXCHANGER
PublicationIn the paper authors presented their own constructions of shell and tube heat exchangers with intensified heat transfer. The shell and coils heat exchangers are in common use in heat ventilations and air conditioning systems. Those types of recuperators are quite simple constructions, the low value of pressure drops and good conditions of heat transfer. The present study shows an experimental investigation of the heat transfer...
-
Financial Markets and Bankruptcy Systems: Is there a Relationship?
PublicationPurpose: Filling the cognitive gap in the theory of ex-post transaction costs, i.e., at the stage of enforcing market transactions by examining the relationship between friendliness/severity of the bankruptcy and restructuring law towards debtors, the level of development of financial markets, the effectiveness of the judicial system and the rate of debt recovery. Design/Methodology/Approach: In the research, the following methods...
-
Uncovering the invisible barriers to women’s success
PublicationIn the area of science and higher education, as in business and politics, the job situation of women is improving, and the percentage of women on executive positions is increasing. However, there is still a serious underrepresentation of women in the highest decision-making bodies. Ladies also take part in the strategic institutional events less frequently. There are still serious disproportions in academic and management positions,...
-
Relationship between wages, labour productivity and unemployment rate in new EU member countries
PublicationThe main aim of this article is to find out the extent to which relative labour productivity and relative unemployment rate changes determine relative wage changes. We use average annual macro-data for the period 2002-2013 for Poland and other 5 new EU members: Estonia, Hungary, Slovak, Czech Republic and Slovenia. Using Poland as benchmark, rst we examine the correlation between wage, productivity and unemployment rate changes...
-
Reshaping financial systems: The role of ICT in the diffusion of financial innovations – Recent evidence from European countries
PublicationExchange-traded funds (ETFs) are among the fastest-growing types of innovative financial products. The emergence and spread of these instruments have been facilitated by the digital revolution. Information and communication technology (ICT) is profoundly reshaping the global economic landscape, laying solid foundations for unrestricted and unbounded flows of information and knowledge, eliminating information asymmetries, and furthering...
-
System sterowania indukcyjnym silnikiem liniowym na bieżni liniowej - analiza problemów działania wykorzystanych protokołów komunikacyjnych
PublicationW artykule opisano stanowisko laboratoryjne z silnikiem liniowym na bieżni liniowej znajdujące się w Katedrze Energoelektroniki i Maszyn Elektrycznych na Wydziale Elektrotechniki i Automatyki Politechniki Gdańskiej oraz omówiono, w jaki sposób rozwiązano problemy związane z działaniem wykorzystanych w systemie sterowania protokołów komunikacyjnych. Stanowisko ma charakter dydaktyczny. W skład stanowiska wchodzi indukcyjny silnik...
-
The impact of equity pledge on inefficient investment: a perspective from family entrepreneurship
PublicationAs an efficient and convenient financing method, equity pledges may have a heterogeneous impact on the inefficient investment of family firms. In order to verify this point, this paper takes A-share listed family enterprises from 2010 to 2021 as a research sample. It conducts an empirical test on the impact of equity pledges on inefficient investment in family firms by constructing a panel regression model. The results show...
-
Does technology matter for economic development? Empirical evidence for Latin American Countries
PublicationThe spread of new Information and Communication Technologies (ICTs) has been recognized worldwide. ICTs are broadly perceived as tools facilitating economic growth and development, especially in backward countries. They are easy and cheap to adopt, require minimum skills for effective use, and bring opportunities for disadvantaged societies. They enable education, knowledge dissemination and sharing, and processing and storing...
-
Enhancing Economic Development Through ICT-Based Governance: Evidence for Developing Countries
Publicationhis shows novel empirical evidence on how e-government solutions enhance the emergence of inclusive societies, increase institutional quality, and through that channels dynamize economic development in developing countries. With this aim we examine digital development inequalities adopting 2 core ICT indicators: mobile cellular telephony and Internet users; and gross per capita income and Human Development Index to show the level...
-
Evaluation of the Effectiveness of Methods for Delimitation of the Boundaries of Registered Parcels in the Process of Modernization of Land and Building Registration
Publication -
Novel Design of an Ocean Wave Power Device
PublicationW artykule przedstawiono nowoczesną boję energetyczną o opatentowanej konstrukcji. Omówiono jej konstrukcję oraz przedstawiono problemy konstrukcyjne i badawcze. W ostatniej części artykułu przedstawiono wyniki badań wykonanych na modelu w basenie modelowym.
-
Examination of the interactions occurring in the gas and liquid phases of atmospheric pressure glow discharge generated in contact with a liquid electrode leading to production of size-defined gold nanostructures
Publication -
Ultrasonic nebulization atmospheric pressure glow discharge — Preliminary study
Publication -
Coupling of cold vapor generation with an atmospheric pressure glow microdischarge sustained between a miniature flow helium jet and a flowing liquid cathode for the determination of mercury by optical emission spectrometry
Publication -
Decolorization of organic dyes solution by atmospheric pressure glow discharge system working in a liquid flow-through mode
Publication -
Application of Ion Exchangers in Speciation and Fractionation of Elements in Food and Beverages
Publication -
Development of direct-current, atmospheric-pressure, glow discharges generated in contact with flowing electrolyte solutions for elemental analysis by optical emission spectrometry
Publication -
Comparison of the performance of direct current atmospheric pressure glow microdischarges operated between a small sized flowing liquid cathode and miniature argon or helium flow microjets
Publication -
Interference-Free Determination of Trace Copper in Freshly Ripened Honeys by Flame Atomic Absorption Spectrometry Following a Preconcentration by Solid-Phase Extraction and a Two-Step Elution Process
Publication -
Solid phase extraction and sequential elution for pre-concentration of traces of Mn and Zn in analysis of honey by flame atomic absorption spectrometry
Publication -
Effect of the addition of non-ionic surfactants on the emission characteristic of direct current atmospheric pressure glow discharge generated in contact with a flowing liquid cathode
Publication -
Evidence for sex steroid receptors in feline brainstem
Publication -
Full wavefield processing by using FCN for delamination detection
Publication -
Theoretical opportunities and actual limitations of pH gradient HPLC
Publication -
Horizontally-split-drain MAGFET - a highly sensitive magnetic field sensor
PublicationWe propose a novel magnetic field sensitive semiconductor device, viz., Horizontally-Split-Drain Magnetic-Field Sensitive Field-Effect Transistor (HSDMAGFET) which can be used to measure or detect steady or variable magnetic fields. Operating principle of the transistor is based on one of the galvanomagnetic phenomena and a Gradual Channel Detachment Effect (GCDE) and is very similar to that of Popovic and Baltes's SDMAGFET. The...
-
The Influence of Permanent Magnet Length and Magnet Type on Flux-control of Axial Flux Hybrid Excited Electrical Machine
Publication -
Performance Evaluation of an Axial Flux Machine with a Hybrid Excitation Design
Publication -
Comparison of EFD and CFD investigation of velocity fields for selected body-propeller configurations
Publication -
Comparison of EFD and CFD investigation of velocity fields for selected body-propeller configurations
Publication -
Testing for NRAS Mutations in Serous Borderline Ovarian Tumors and Low-Grade Serous Ovarian Carcinomas
Publication -
Appliance of High Speed Camera during Industrial Exploitation on the Example of Static and Dynamic Tests of Steel Probes
Publication -
Identification in a Laboratory Tunnel to Control Fluid Velocity
Publication -
Shipyard Crane Modeling Methods
Publication -
Deep learning approach for delamination identification using animation of Lamb waves
Publication -
TGF-β gene polimorphisms as risk factors for asthma control among clinic patients.
Publication -
TGF-β gene polimorphisms as risk factors for asthma control among clinic patients.
Publication -
Vibration Diagnostics of Rolling Mills Based on Nonlinear Effects in Dynamics
Publication -
Discussion of “Enhanced Pavement Performance and Improved Stability of Asphalt and Recycled Plastic Blends Modified by Exfoliated Clay Nanoplatelets”
Publication -
Mitigating Stripping in Asphalt Mixtures: Pretreatment of Aggregate by Thermoplastic Polyethylene Powder Coating
Publication -
Measuring moisture damage of asphalt mixtures: The development of a new modified boiling test based on color image processing
Publication -
Quantitative analysis of the particles distributions in reinforced composites
Publication -
High-throughput Evaluation of Lipophilicity and Acidity by New Gradient HPLC Methods
Publication -
Five-Phase EV Drive with Switched-Autotransformer (LCCAt) Inverter
Publication -
Diversity of Students’ Unethical Behaviors in Online Learning Amid COVID-19 Pandemic: An Exploratory Analysis
Publication -
Technology Acceptance of MS Teams Among University Teachers During COVID-19
Publication -
Dwuwymiarowy obraz zjawisk w tranzystorze MOS - badania numeryczne
PublicationZaprezentowano wyniki badań numerycznych, z których wynika, że w tranzystorze MOS występuje zjawisko łagodnego odrywania się kanału i zjawisko powiększania grubości kanału. Obydwa zjawiska można uwzględnić w quasi-dwuwymiarowym modelowaniu pracy tranzystora polowego, dzięki czemu można opracowywać dokładniejsze modele analityczne takiego przyrządu półprzewodnikowego.
-
Turning process monitoring of internal combustion engine piston’s cylindrical surface
Publication -
Atmospheric opacity estimation based on IWV derived from GNSS observations for VLBI applications
PublicationThermal emission of atmospheric water vapor has a great influence on the calibration of radio astronomical observations at millimeter wavelengths. The phenomenon of an atmospheric water vapor emits noise signal and attenuates astronomical emission. At 22 GHz, integrated water vapor (IWV) obtained from global navigation satellite systems (GNSS) is strictly related to atmospheric opacity (τ0), which is a crucial parameter for data...
-
Size and mass minimization of capacitor bank in a power converter DC line of DC drive with closed loop control system with PWM and current limitation
PublicationPaper deals with evaluation equations for power filter of AC-DC power converter which allows to provide size and mass minimization of capacitor bank in DC drive closed loop systems with PWM and current limitation. Reliability of provided equations is proved by simulation in MATLAB/Simulink
-
A Point Set Connection Problem for Autonomous Mobile Robots in a Grid
PublicationConsider an orthogonal grid of streets and avenues in a Manhattan-like city populated by stationary sensor modules at some intersections and mobile robots that can serve as relays of information that the modules exchange, where both module-module and module-robot communication is limited to a straight line of sight within the grid. The robots are oblivious and move asynchronously. We present a distributed algorithm that, given...