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Alicja Siuda, Arkadiusz Artyszak, Dariusz Gozdowski and Zahoor Ahmad
The aim of the study was the evaluation of silicon foliar application on sugar beet yield. In the years 2017?2019, the effect of a single foliar application of various forms of silicon (potassium silicate?PS, calcium silicate?CS, sodium metasilicate?SM, ...
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Constantin Sandu, Andrei-George Totu, Andrei-Tudor Trifu and Marius Deaconu
This paper presents the technological advancement of using friction powders to increase the absorption of acoustic liners used in the reduction of tonal noise generated by aero-engines or for other applications related to Helmholtz resonators used in noi...
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Rossella Cottone, Louena Shtrepi, Valentina Serra and Simonetta Lucia Pagliolico
The agricultural activity of pruning olive trees generates waste which, due to long-standing practices and unawareness of the consequences, are burned on site, thereby producing CO2 emissions in the atmosphere. Therefore, in order to prevent environmenta...
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Lilik Sugiharti, Mohammad Zeqi Yasin, Rudi Purwono, Miguel Angel Esquivias and Deasy Pane
In this study, we investigated the effects of foreign direct investment (FDI) spillovers on firm production and technical efficiency in Indonesia?s manufacturing sector from 2010 to 2015. We scrutinized three different channels of horizontal spillover, n...
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Anastasiia A. Olkhova, Alina A. Patrikeeva and Maksim M. Sergeev
PbSe chalcogenide films are widely used as photosensitive elements in gas analysis devices. High absorption in the IR spectrum region and low electrical resistance are important characteristics. Continuous laser radiation exposure of films in the near UV...
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Alevtyna Pereverzieva,Anatoly Bobukh,Mikhail Podustov
Pág. 52 - 59
Production of soda ash using the ammonia method belongs to the class of complex continuous chemical-technological systems and is characterized by multidimensionality, inertia, the existence of cycles of material flows, complex dependences between the inp...
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Fedor Pertsevoy,Olena Koshel,Sergei Sabadash,Mykola Mashkin,Valentyna Mohutova,Vadym Volokh
Pág. 25 - 31
Solving the problem of detecting counterfeiting in confectionery requires appropriate identification methods and is of paramount importance in the list of measures aimed at achieving food safety and quality.The following infrared spectra of the samples w...
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Nadegda Rykusova,Oleksii Shestopalov,Liudmyla Shchukina,Larysa Yashchenko,Iraida Stanovska,Arsen Muradian,Valentyna Ocheretna
Pág. 21 - 27
This paper addresses the prospects of recycling waste from oil and gas extraction in order to manufacture building materials. The principal possibility has been established to apply the examined samples of drilling sludge as the basic raw material and a ...
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Júlia Castro Mendes,Paloma Bárbara Pinto,Henrique Emanuel Américo da Silva,Rodrigo Rony Barreto,Taís Kuster Moro,Ricardo André Fiorotti Peixoto
Pág. 29 - 41
The envelope of a building is responsible for its physical protection against external agents, including humidity and temperature. Thus, the present work seeks to evaluate the effect of air entraining admixtures (AEA) in mortars for laying and coating to...
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Jozef Junak and Alena Sicakova
The experiment aims to test the specific way of producing concrete with recycled concrete aggregate (RCA). To reduce its negative impact on the concrete properties, two different ways of treatment of the RCA with geopolymer slurry were applied?coating du...
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