Results 31 to 40 of about 2,539,448 (293)

Oceanographic Data of the 9th Japanese Antarctic Research Expedition 1967-1968

open access: yesAntarctic Record, 1969
第9次南極地域観測において定常観測(1967-1968)として行なった表面観測,バンサーモグラフ観測および垂直(各層)観測の結果を報告する.
Ryuzo WATANABE, Ryoji HIGANO
doaj   +1 more source

Photo‐Switchable Molecular Module Programming PET Biodegradation in Aquatic Environments

open access: yesAdvanced Functional Materials, EarlyView.
We address the plastic durability paradox by integrating an itaconic acid–derived pyrrolidone module into polymer backbones. Sunlight in water triggers Norrish Type I ring‐opening and hydrophilization, enabling rapid biodegradation into nontoxic minerals.
Mohammad Asif Ali   +16 more
wiley   +1 more source

Maritime safety administration in Cuba [PDF]

open access: yes, 1986
This is a research paper on some selected problems of today\u27s Cuban Maritime Safety Administration. It is aimed to show and explain how these specific problems within the Administration have affected the work and development of maritime safety affairs
González Sellés, Julio César
core   +1 more source

Determination of Maritime Safety in Indonesia: Analysis of Maritime Competence, Maritime Safety Management and Maritime Regulation

open access: yesInternational Journal of Economics and Management Sciences
This study aims to analyze the influence of maritime competence, maritime safety management, and maritime regulations on maritime safety in Indonesia. The approach used in this literature review is descriptive qualitative. Data collection techniques include literature studies or reviews of relevant previous articles published between 2021 and 2026. The
null Nur Zaeni   +3 more
openaire   +1 more source

Maritime risk and safety management with focus on winter navigation [PDF]

open access: yes, 2017
Maritime transport is commonly categorized as one of the riskiest industry sectors. In Finnish sea areas, the risks increase during winter navigation when ships have to navigate in sea ice conditions.
Valdez Banda, Osiris A.
core   +1 more source

Leaftronics: Bio‐Fractal Scaffolds From Leaf Venation for Low‐Waste Electronics

open access: yesAdvanced Materials, EarlyView.
“Leaftronics” transforms naturally evolved leaf venation into quasi‐fractal scaffolds for sustainable electronics. Polymer‐infiltrated leaf skeletons can be used to fabricate ultra‐smooth, reflow‐ and thin‐film‐compatible decomposable substrates, while making the same lignocellulose networks conducting results in flexible transparent electrodes.
Rakesh Rajendran Nair   +3 more
wiley   +1 more source

Event-Triggered Optimal Path-Following Control for Wind-Assisted Autonomous Surface Vehicles via Actor–Critic Reinforcement Learning

open access: yesJournal of Marine Science and Engineering
This paper proposes an enhanced event-triggered optimal control scheme integrated with reinforcement learning (RL) for wind-assisted autonomous surface vehicles (WAASVs), aiming to ensure the safety and energy efficiency of marine path-following missions.
Zhihao Li, Guoqing Zhang, Peng Liu
doaj   +1 more source

Oceanographic Data of the 16th Japanese Antarctic Research Expedition 1974-1975

open access: yesAntarctic Record, 1976
This is a report of the results of oceanographic observation carried out on board FUJI during the mission of the 16th Japanese Antarctic Research Expedition in 1974-1975.
Masash SUE, Taiji IMOTO
doaj   +1 more source

Overview of Definitions of Maritime Safety, Safety at Sea, Navigational Safety and Safety in General [PDF]

open access: yesTransNav, 2019
There are numerous diverse papers that have addressed issues within maritime safety, safety at sea, navigational safety and safety in general; to date there has been no comprehensive review of definitions of these terms.
Kamil Formela   +2 more
doaj   +1 more source

Sustainable and Multifunctional Natural Macromolecular Polymers for Aqueous Zn Metal Batteries

open access: yesAdvanced Materials, EarlyView.
We comprehensively review the structure‐function relationships and regulatory mechanism of natural macromolecular polymers in stabilizing zinc anodes at the microscopic and mesoscopic scales. The interactions among polymer structures, optimization strategies, and regulatory mechanisms are discussed systematically summarizing recent related research ...
Yunuo Shi   +13 more
wiley   +1 more source

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