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Electronic Payment Systems: Operation Peculiarities and Economic Efficiency Assessment [PDF]

open access: yesProblemi Ekonomiki, 2021
The PayTech sector, which is transforming payment methods, has become one of FinTech's largest segments. Electronic payment systems (EPS) are developing actively and acquiring certain specific features, which are important for their creation and ...
Khanin Igor H., Sopin Yevhen O.
doaj   +1 more source

General Tendencies in the Development of the Electronic Payment Services Market and the Problems of Ensuring the Economic Efficiency of Their Provision [PDF]

open access: yesProblemi Ekonomiki, 2022
In the context of the evolvement of the digital economy, the use of digital technologies in the financial sector (FinTech) and for the purposes of payment (PayTech) is increasing.
Khanin Igor H., Sopin Yevhen O.
doaj   +1 more source

Using some Natural Minerals to Remove Cadmium from Polluted Water

open access: yesمجلة بغداد للعلوم, 2022
Water scarcity is one of the most important problems facing humanity in various fields such as economics, industry, agriculture, and tourism. This may push people to use low-quality water like industrial-wastewater.
Monier M. Wahba   +2 more
doaj   +1 more source

Root Distribution of Tomato Cultivated in Greenhouse under Different Ventilation and Water Conditions

open access: yesPlants, 2023
Mastering root distribution is essential for optimizing the root zone environment and for improving water use efficiency, especially for crops cultivated in greenhouses. Here, we set up two irrigation amount levels based on measurements of the cumulative
Jiankun Ge   +5 more
doaj   +1 more source

Performance of the Improved Priestley-Taylor Model for Simulating Evapotranspiration of Greenhouse Tomato at Different Growth Stages

open access: yesPlants, 2022
Mastering crop evapotranspiration (ET) and improving the accuracy of ET simulation is critical for optimizing the irrigation schedule and saving water resources, particularly for crops cultivated in a greenhouse. Taking greenhouse-grown tomato under drip
Xuewen Gong   +5 more
doaj   +1 more source

International Systems for Assessing the Economic Security of a State: Some Integrated Approaches [PDF]

open access: yesProblemi Ekonomiki, 2020
The article is dedicated to analyzing the international approaches to assessing the state of economic security at the state level and countries’ place in the world economic ratings.
Vashai Yulia V., Zhemba Alla Yo.
doaj   +1 more source

Investigation of technogenic deposits of phosphogypsum dumps [PDF]

open access: yesE3S Web of Conferences, 2021
The article contains research materials on the storage of man-made deposits, including phosphogypsum dumps. The consequences of long-term operation of phosphogypsum dumps and their negative impact on the environment have been established.
Moshynskyi Viktor   +6 more
doaj   +1 more source

Research into the moisture influence on the physical-chemical tuff-stone characteristics in basalt quarries of the Rivne-Volyn region [PDF]

open access: yesE3S Web of Conferences, 2020
This paper studies the rock mass stress state of deposits under highland conditions, depending on the geological structure of a particular rock mass area, the tectonic field of stresses and the region relief.
Malanchuk Yevhenii   +3 more
doaj   +1 more source

Analysis of the influence of the water balance process on the change of landscape patterns in the upper reaches of the Yangtze River

open access: yesWater Policy, 2022
Based on hydrometeorological data and land-use data (from 1980 to 2015), the effects of water balance on landscape patterns in the upper reaches of the Yangtze River were studied using water balance analysis, the landscape index method, and other methods.
Yuting Liu   +3 more
doaj   +1 more source

Determination of flood water zones caused by storm water using the example of Minsk (Belarus)

open access: yesBudownictwo o Zoptymalizowanym Potencjale Energetycznym, 2018
The article describes approaches to the determination of possible flooding locations of urbanized areas using the example of Minsk city (Belarus).
V. Korneev   +3 more
doaj   +1 more source

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