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Ziwei Yang, Kelong Chen, Fumei Liu and Zihan Che
Niaodao, a lakeside wetland, was used as the focus of this study to investigate the effect of rainfall changes on the greenhouse gas fluxes of wetland ecosystems. Wetland plots with different moisture characteristics (+25%, -25%, +75%, and -75% rainfall ...
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Maria E. Atlaskina, Artem A. Atlaskin, Olga V. Kazarina, Anton N. Petukhov, Dmitriy M. Zarubin, Alexander V. Nyuchev, Andrey V. Vorotyntsev and Ilya V. Vorotyntsev
The present study provides a solvent-free organic synthesis of quaternary ammonium salts: bis(2-hydroxyethyl)dimethylammonium taurate ([BHEDMA][Tau]) and bis(2-hydroxyethyl)dimethylammonium acetate ([BHEDMA][OAc]). These ionic compounds are promising mat...
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M. C. Fernández-Feal, B. Sánchez-Fernández, L. R. Sánchez-Fernández, J. R. Pérez-Prado
Keywords:
Natural Gas, composition, physical properties, gas chromatography, network distribution
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Maxat Toishimanov, Meruyet Nurgaliyeva, Assiya Serikbayeva, Zhulduz Suleimenova, Karima Myrzabek, Aksholpan Shokan and Nurgul Myrzabayeva
Here, we present the results of analyzing the fatty acid composition of the main edible vegetable oils from Kazakhstani oilseed producers (safflower, sunflower, maize (corn), linseed, cottonseed, soybean and rapeseed) in comparison with the known fatty a...
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Dicho Stratiev, Ivelina Shishkova, Mihail Ivanov, Rosen Dinkov, Georgi Argirov, Svetlin Vasilev and Dobromir Yordanov
A gas chromatography high temperature simulation distillation (HTSD: ASTM D 7169), and physical vacuum distillation (ASTM D 1160) were employed to characterize H-Oil vacuum distillates, straight run vacuum distillates, and hydrotreated vacuum distillates...
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George Ntourtoglou, Fotini Drosou, Theodoros Chatzimitakos, Vassilis Athanasiadis, Eleni Bozinou, Vassilis G. Dourtoglou, Abeer Elhakem, Rokayya Sami, Amal Adnan Ashour, Alaa Shafie and Stavros I. Lalas
Increasing the yield of extraction of bioactive compounds from plants is of high importance. Grape stems are widely discarded during the wine-making process, despite their high content in many valuable compounds. The aim of this work was to examine wheth...
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Faith Nyamakwere, Giulia Esposito, Kennedy Dzama, Pieter Gouws, Teresa Rapisarda, Giovanni Belvedere, Felicia Masucci and Emiliano Raffrenato
Small-scale cheese producers can effectively use the irradiation treatment for eliminating food-borne pathogens.
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Jana ?tefániková, Patrícia Marti?ová, Marek ?nirc, Peter ?edík and Vladimír Vietoris
The aim of the study was to determine the aroma profiles of four kinds of Slovak honey (sunflower, honeydew, acacia, and linden) by a qualitative and quantitative screening of their volatile compounds and by gas chromatography for the potential use in th...
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Mohammed Al-asadi and Norbert Miskolczi
This work is dedicated to the high temperature pyrolysis of municipal plastic waste using Me/Ni/ZSM-5 catalysts. Catalysts were synthetized by wet impregnation. In addition to nickel, synthetic zeolite catalysts contain calcium, ceria, lanthanum, magnesi...
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Ryan Hall, Oleg Nepotchatykh, Evguenia Nepotchatykh and Parisa A. Ariya
Chlorine atoms play a key role in the oxidative potential of the atmosphere and biogeochemical cycling of selected elements. This study provides a decadal analysis (2010-2019) of chloride ions in PM2.5 particles in the city of Montreal, where these are m...
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Xi Wang, Minfei Wang, Yue Han and Hanyu Chen
A study on unregulated emissions of a conventional diesel self-ignition and partial premixed compression ignition (PPCI) marine engine at full load condition was performed, respectively. In this work, PPCI was realized in a marine engine by blending 15% ...
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Vladimir Dobrokhotov and Alexander Larin
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J.J. Jeevanantham, D.A.T.W.K. Dissanayake, G.V.V Liyanaarachchi, M.N.A. Mubarak, W.M.A.K. Wijesinghe, J.K.A.B. Wijegunasekara
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Bartolomeo Sebastiani and Stefano Falcinelli
Analytical data concerning the contamination on three officinal plants due to Persistent Organic Pollutants (POPs), as organochlorine pesticides, are reported and discussed. Analyzed vegetation??Graviola? (Annona muricata), ?Mullaca? (Physalis ...
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Bartolomeo Sebastiani and Stefano Falcinelli
Analytical data concerning the contamination on three officinal plants due to Persistent Organic Pollutants (POPs), as organochlorine pesticides, are reported and discussed. Analyzed vegetation??Graviola? (Annona muricata), ?Mullaca? (Physalis angulata) ...
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Attila G. Kovács, Attila Szöllosi, Dániel Szöllosi, Ilona A. Panyik, László Nagygyörgy, Ágoston Hoschke, Quang D. Nguyen
Pág. 175 - 181
The quality of fruit based spirits varies year to year; therefore, the identification of the vintage of a distilled alcoholic beverage is necessary, but requires highly sensitive analytics. The interpretation of the gathered data requires a well-adapted ...
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Hossam A. Gabbar, Mohamed Aboughaly and C.A. Barry Stoute
The exponential increase of plastic production produces 100 million tonnes of waste plastics annually which could be converted into hydrocarbon fuels in a thermal cracking process called pyrolysis. In this research work, a direct current (DC) thermal pla...
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Keyller Bastos Borges, Ellen Figueiredo Freire
Pág. 531 - 535
The indiscriminate use of organophosphorous pesticides (OPPs) in crops may leave residues in food and may cause poisoning in the applicators. A method was developed for the determination of five OPPs in bean samples by Gas Chromatography-Flame Photometri...
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Yumi Zuhanis Has-Yun Hashim, Nur Izzah Ismail, Phirdaous Abbas
ABSTRACT: Agarwood oil is a highly prized type of oil due to its unique aroma. The oil is extracted from the fragrant resin found in the agarwood tree (trunk). The unique aroma and quality of agarwood resin and oil are contributed by the presence ...
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Neila de Paula Pereira, Ian Murilo Ribeiro Blanco, Ygor Jessé Ramos, Janice Izabel Druzian, Emily Karly Conceição, Maria Lenise Silva Guedes
Pág. 573 - 579
In Brazil there is a semi-arid region of the Bahia State where the transition between caatinga and cerrado prevails. The Bombacopsis retusa (Mart. & Zucc.) A. Robyns belongs to Bombacaceae family, and is frequent in this region. Fruit of Bombacopsis retu...
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