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Yuliya Zaloznova, Nataliia Trushkina
Pág. 27 - 36
Performance features of coal mining enterprises in terms of organization of the marketing activity have been studied, including: constant fluctuations of the market of coal products; economic sensitivity to the irregular demand for coal (surplus or defic...
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Oleksii Kvilinskyi, Andrey Mieshkov, Iryna Bondaryeva
Pág. 13 - 19
Constantly changing environmental conditions lead to the necessity of regular updates, enhancements, and adaptation of existing approaches to the investigation of the development of societies that live in different territories. As a result, the purpose o...
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C. José García Martín, Begoña Herrero Piqueras, Ana María Ibañez Escribano
Pág. pp. 233 - 263
This study investigates the informational role of thin options markets, specifically the Spanish options market. Firstly, we examine the effect of options markets by analysing stock market reaction to earnings news, conditional on the availability of opt...
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Drago? Moraru, Ersilia Alexa, Ileana Cocan, Diana Obi?tioiu, Isidora Radulov, Eliza Simiz, Adina Berbecea, Adrian Grozea, Monica Dragomirescu, Teodor Vintila and Silvia Patruica
Bee products have a millennia-old tradition in human apitherapy, thanks to their numerous curative properties. The aim of this study was to perform a physicochemical characterization, including the percentage of water content, dry matter, pH, acidity, im...
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Eufrozina Albu, Ancuta Elena Prisacaru, Cristina Ghinea, Florin Ursachi and Laura Carmen Apostol
Ready-to-use vegetable salads are minimally processed products, rich in antioxidants, but are associated with a high microbiological risk and possibly, in some cases, with a high content of nitrites. The purpose of this study was to investigate the physi...
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Jianwen Wu, Zhenlong Wang, Wei An, Boquan Gao, Chunxiao Li, Bing Han, Hui Tao, Jinquan Wang, Xiumin Wang and Huanrong Li
The co-occurrence of aflatoxin B1 (AFB1) and zearalenone (ZEN) in grain-based food and animal feed poses significant health risks to humans and animals due to their potent mutagenic, cytotoxic, and carcinogenic properties. Conventional physical and chemi...
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Yongyao Li, Kangning Xiong, Wenfang Zhang, Shuzhen Song and Lu Luo
Synergistically enhancing and realizing the value of grassland ecosystem services (ES) for economic activity is an important but challenging task for achieving sustainability in the karst desertification control (KDC). However, how to use grassland ES va...
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Edward Helderop, Tony H. Grubesic, Dominique Roe-Sepowitz and Jorge A. Sefair
There is ongoing debate regarding the merits of decriminalization or outright legalization of commercial sex work in the United States. A few municipalities have officially legalized both the selling and purchasing of sex, while others unofficially crimi...
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Jiagang Zhai, Mingji Li, Mengjiao Ming, Marbiya Yimit and Jinlu Bi
Given the significant role of the Ningxia Urban Agglomeration along the Yellow River in reshaping the urban network and promoting coordinated development in the upper Yellow River region of China, this paper takes enterprise flow as the explicit manifest...
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Henryk Kania and Mariola Saternus
This article presents the history of zinc, its production and demand. The quantity of zinc production, both primary zinc from ores and concentrates, and secondary zinc from scrap and zinc-rich waste, was discussed. A comprehensive economic analysis cover...
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