The types, current situation, main problems, and technological needs of deep-sea ecosystems are described in this paper. Compared with those of shallow-sea ecosystems, samples of deep-sea ecosystems are more difficult to get, accumulated data is less, and the research degree is relatively limited. Diverse species dwell in deep sea, for example, the tubeworms and extemothermophilic archaea around the deep-sea hydrothermal vents, the mussels and clams that live on those sulfate reducing bacteria in the cold spring zone, the diverse species in the seamounts, the cold-water coral that capture the planktons, and the specialized sailfish in abyss. Those ecosystems are quite different from others and have high values for study. Recently, the rapid development of the deep-sea monitoring equipment and other detection devices provides a golden opportunity for studying the deep-sea ecosystems. The researches of the biodiversity and ecological theory for deep-sea ecosystems are urgent and practical. Therefore, strategies for protecting the deepsea ecosystem are proposed, including: to build a database of the deep-sea biology; to balance the deep-sea mineral exploring and ecosystem protection; to develop the theory model for deep-sea ecosystem; and to accelerate the formulation of management strategies and legal instruments.
With the rapid development of emerging technologies, intelligent ship has gradually become a hot spot for development in the shipbuilding industry. In this study, we introduced the technical classification of intelligent ships, summarized the current development status of intelligent ship technology in China and abroad, studied the characteristics of its development abroad, and analyzed the existing problems in its development in China. Furthermore, we suggest that China should pay equal attention to R & D and application of the intelligent ship technology, promote its development step by step, strengthen cooperation among the industry, university, and research institute, establish a comprehensive service mode with ship–shore integration, and further strengthen the construction of talent teams.
The necessity, current situation, main problems, and technological needs of the hydrogen fuel cell propulsion technology for ships are introduced in this paper. Compared with the advanced countries, China needs to formulate the strategy and target for the hydrogen fuel cell propulsion technology, increase research on relevant laws and regulations, strive for breakthroughs in key technologies for engineering of this technology, and enhance the construction of supporting infrastructures. Moreover, development ideas and suggestions are proposed for the development of the hydrogen fuel cell propulsion technology for ships in China, and its application prospect is also analyzed.
With the deep integration of information technology and the manufacturing industry, intelligent promotion and upgrading now becomes significant for boosting the competitiveness of China's marine equipment industry and for ultimately developing China into a shipbuilding power. The current situation and intelligent development trend of the marine equipment industry in other countries are first summarized in this paper. Bottlenecks that restricts the intelligent development of China's marine equipment is then analyzed. Furthermore, the general idea, implementing approach, and top-level framework are put forward for the intelligent development of China's marine equipment. Moreover, suggestions are proposed for the development, including establishing a reasonable product structure based on demand, promoting the demonstrating and guiding role of major projects, and enhancing cooperation among different industries.