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Tatyana Maglyovana,Taras Nyzhnyk,Serhiy Stas,Denis Kolesnikov,Tatyana Strikalenko
Pág. 20 - 25
This study has established the possibility of obtaining water extinguishing agents, which can reduce hydraulic resistance (with the Toms effect) by using guanidine derivatives.A cationic polyhexamethylene guanidine hydrochloride surfactant with a molecul...
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Kiseok Han, Anbazhagan Sathiyaseelan, Kandasamy Saravanakumar and Myeong-Hyeon Wang
The silver nanoparticles (AgNPs) were synthesized using quercetin (Qn) for enhanced antioxidant and antibacterial activity. The quercetin-mediated silver nanoparticles (Qn-AgNPs) were characterized by different analytical methods. The Qn-AgNPs showed max...
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Mariano Morell Villalonga, Manuel Espino Infantes, Manel Grifoll Colls and Marc Mestres Ridge
Oil spill accidents during port operations are one of the main hydrocarbon pollution threats for coastal waters. Appropriate environmental risk assessment and pollution events management tools are needed to achieve sustainability and environmental protec...
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Daiane Cristina de Freitas, Fernando Hermes Passig, Cristiane Kreutz, Karina Querne de Carvalho, Eudes José Arantes, Simone Damasceno Gomes
Pág. 469 - 476
The study of the hydrodynamic behavior in reactors provides characteristics of the flow regime and its anomalies that can reduce biological processes efficiency due to the decrease of the useful volume and the hydraulic retention time required for the pe...
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Jiahe Wang, Hongbin Zhu, Cong Wang, Longji Zhang, Rong Zhang, Cancan Jiang, Lei Wang, Yingyu Tan, Yi He, Shengjun Xu and Xuliang Zhuang
Odorous sediments containing volatile organic sulfur compounds (VOSCs) are a common issue in shallow water reservoirs globally. Volatile organic sulfur compounds are a typical class of malodorous substances that have attracted widespread attention due to...
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Mariusz Kluska and Joanna Jablonska
Due to their toxicity, lack of bioaccumulation and biodegradability, and ease of binding to sediments, heavy metals are considered the main pollutants of rivers. It is, therefore, necessary to control and monitor these pollutants. The present study analy...
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Mariusz Kluska and Joanna Jablonska
In recent years, human impact on the Earth?s ecological environment has become increasingly visible, with serious negative consequences. One of the most important pollutants are heavy metals which can easily bind to sediments. Due to their toxic behavior...
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Ping Li, Jun Du, Zhiwei Zhang and Guoqiang Xu
Globally, coastal regions are vital areas of human activity and, as such, are centers of population growth and urban and economic development. Long-term human development has had a major impact on the ecological environment of coastal zones. Therefore, e...
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Pascal Bernatchez, Geneviève Boucher-Brossard, Maude Corriveau, Charles Caulet and Robert L. Barnett
This article focuses on the quantification of retreat rates, geomorphological processes, and hydroclimatic and environmental drivers responsible for the erosion of an unconsolidated fine-sediment cliff along the north shore of the Gulf of St. Lawrence (Q...
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Ana Picado, Joana Mendes, Rui Ruela, João Pinheiro and João Miguel Dias
The present study aims to research the physico-chemical processes in two under-researched coastal systems located on the west and south Portuguese coast?Mira Estuary and Ria de Alvor?through the development and exploitation of dedicated coupled physical ...
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Madina Isametova,Dimitar Karaivanov,Rollan Nussipali
Pág. 49 - 58
The CAD/CAE/CAM method of end-to-end design of the impeller of a seven-stage submersible pump ODDESSEzentralasien ?UPP 13-7/6 used for pumping sulfuric acid in hydrometallurgy is presented.The studies are conducted in order to increase the efficiency of ...
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Mingdian Liu, Junqiang Lin, Qidong Peng, Lixiong Yu, Daqing Chen, Shaoping Liu and Xinbin Duan
Hydrodynamic characteristics of spawning grounds are important factors affecting the spawning of four major Chinese carps (Mylopharyngodon piceus, Ctenopharyngodon idella, Hypophthalmichthys molitrix, and Aristichthys nobilis). To investigate the relatio...
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Peter Bacopoulos, James David Lambert, Mary Hertz, Luis Montoya and Terry Smith
Anecdotal data are currently the best data available to describe baseline conditions of beached oil tar balls on Florida?s First Coast beaches. This study combines field methods and numerical modeling to define a data-driven knowledge base of oil tar bal...
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Arshad Ashraf, Manshad Rustam
Pág. 52 - 67
The dramatic rise in warm temperatures in the Himalayan region has caused the formation and expansion of numerous supraglacial lakes, some of which pose a serious flood hazard for the downstream communities. In this study, we have investigated the risk o...
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