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Environmentally Friendly Plastic Boats - A Facile Strategy for Cleaning Oil Spills on Water with Excellent Efficiency.
Environ Sci Pollut Res Int
June 2023
Faculty of Mechanical Engineering, Ho Chi Minh City University of Technology and Education, Ho Chi Minh City, 71307, Vietnam.
In this report, we demonstrate a novel plastic boat capable of selectively and efficiently collecting spilled oils while floating on water. The boat has macroscopic openings in its vertical and curved sidewalls. It is easily, quickly, and inexpensively fabricated using an environmentally friendly polymer via a three-dimensional printing technique.
View Article and Find Full Text PDFThe impact of 2008 financial crisis and COVID-19 pandemic on the demand and supply of seafarer officers: Evidence from China.
Mar Policy
November 2022
Plymouth Business School, University of Plymouth, Cookworthy Building, Drake Circus, Plymouth PL4 8AA, UK.
During the shipping market boom in the 2000s, China adopted initiatives to expand its maritime education and training (MET) capacity, which significantly increased the supply of seafarer officers in the next few years. Drawing on multiple types of statistical information, including MET enrolments, seafarer numbers, seafarer wages, and labour market analyses, this paper examines the outcomes of the initiatives in the aftermath of the 2008 financial crisis and the COVID-19 outbreak. It shows that the financial crisis together with the expanded training capacity led to a serious oversupply problem, characterised by a lack of job opportunities, depressed wages, and slow career progression for junior officers.
View Article and Find Full Text PDFEstimating the economic loss of a seaport due to the impact of COVID-19.
Reg Stud Mar Sci
May 2022
State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, China.
Sea ports are key nodes of global trade and economy, but are vulnerable to hazards, catastrophes and epidemic outbreaks. Since the emergence of COVID-19 infection at the end of 2019, the operations of seaports, especially container ports have been hit hard. This paper aims to explore the impacts of COVID-19 on container ports' operations, clarify the potential economic losses of ports and propose coping suggestions for recovery.
View Article and Find Full Text PDFDiel differences in blue whale (Balaenoptera musculus) dive behavior increase nighttime risk of ship strikes in northern Chilean Patagonia.
Integr Zool
July 2021
Woods Hole Oceanographic Institution, Woods Hole, Massachusetts, USA.
The northern Chilean Patagonia region is a key feeding ground and a nursing habitat in the southern hemisphere for blue whales (Balaenoptera musculus). From 2014 to 2019, during 6 separate research cruises, the dive behavior of 28 individual blue whales was investigated using bio-logging tags (DTAGs), generating ≈190 h of data. Whales dove to significantly greater depths during the day compared to nighttime (day: 32.
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