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   Science & Technology Review
2020, Vol.38, No. 20
28 October 2020

Scientifc Comments

Think Tank
Science and Technology Humanities
Exclusive: Connection, mutual learning and participation: New mission of STM journals in the era of
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Science & Technology Review. 2020, 38 (20): 0-0.
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Abstract ( 94 )

Sharing global science:From sharing to corporation

Science & Technology Review. 2020, 38 (20): 1-1.
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Abstract ( 79 )
Think Tank

Constructing a first-class energy discipline in the context of building an energy power country

ZHANG Tong, YUAN Liang
Science & Technology Review. 2020, 38 (20): 6-14. ;  doi: 10.3981/j.issn.1000-7857.2020.20.001
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Abstract ( 102 )
In view of the fourth industrial Revolution marked by the Internet of Things, the blockchain, the artificial intelligence, the 5G and the cloud computing, as the fundamental cornerstone of the high-quality economic and social development and the national security, it is necessary for the energy development and utilization to be closely integrated with a new round of scientific and technological achievements, with advantageous energy disciplines as the link to enable the efficient green development and the clean and efficient utilization of energy. This paper analyzes the energy production and consumption structure, the development status of the energy discipline, and the challenges faced by the discipline development, and puts forward the idea of creating a first-class energy discipline in combination with the future energy development. Following the principle of the "innovation-driven development", this paper puts forward some countermeasures and suggestions for the construction of energy discipline from the aspects of giving full play to the guiding role of the government, the construction of discipline connotation, and the role of resource allocation in the interconnected market.
Exclusive: Connection, mutual learning and participation: New mission of STM journals in the era of

The place where the original heart shines: It was written after the third forum for world STM journals

LI Jun
Science & Technology Review. 2020, 38 (20): 15-17. ;  doi: 10.3981/j.issn.1000-7857.2020.20.002
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Abstract ( 17 )

Some thoughts on the construction of first class International Sci tech periodicals rooted in China

AN Rui
Science & Technology Review. 2020, 38 (20): 18-20. ;  doi: 10.3981/j.issn.1000-7857.2020.20.003
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Abstract ( 20 )

“Post-Periodical era” of academic communication and evaluation

YAN Shuai
Science & Technology Review. 2020, 38 (20): 21-22. ;  doi: 10.3981/j.issn.1000-7857.2020.20.004
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Abstract ( 24 )

Building world-class journals and high-level academic journals to realize the dream of strengthening the country of sci-tech periodicals

CUI Xiaofeng
Science & Technology Review. 2020, 38 (20): 23-25. ;  doi: 10.3981/j.issn.1000-7857.2020.20.005
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Abstract ( 17 )

Building a better platform for telling scientific and technological stories

CAO Jianlin
Science & Technology Review. 2020, 38 (20): 26-27. ;  doi: 10.3981/j.issn.1000-7857.2020.20.006
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Abstract ( 21 )

Adapt to China's national conditions, Build a platform with Chinese characteristics for the priority release of outstanding scientific research achievements

WEI Junmin
Science & Technology Review. 2020, 38 (20): 28-30. ;  doi: 10.3981/j.issn.1000-7857.2020.20.007
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Abstract ( 13 )

Publishing good science during the crisis

Peter Lee
Science & Technology Review. 2020, 38 (20): 31-32. ;  doi: 10.3981/j.issn.1000-7857.2020.20.008
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Abstract ( 27 )

Springer Nature: Multiple publishing models to meet the needs of researchers

Arnout Jacobs
Science & Technology Review. 2020, 38 (20): 33-34. ;  doi: 10.3981/j.issn.1000-7857.2020.20.009
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Abstract ( 18 )

Recent progress of frontier nuclear energy science and technology

YANG Jun, ZHANG Enhao, GUO Zhiheng, WU Aoguang, WANG Beiqi, SHI Lihao, DU Hui, XU Lejin
Science & Technology Review. 2020, 38 (20): 35-49. ;  doi: 10.3981/j.issn.1000-7857.2020.20.010
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Abstract ( 108 )
This paper reviews the recent scientific researches and the important engineering milestones in the key fields of the frontier nuclear energy science and technology, focusing on the research and project progresses in the nuclear energy engineering, the small module reactor, the fusion technology, the space reactor, and the digital reactor. The research and development of the frontier nuclear energy technology is shown to be progressing steadily in general. Small reactors have good application prospects in sea, land and air and will open up a new world of the nuclear energy utilization beyond the traditional commercial nuclear power. The advanced nuclear fuel design, the high-precision numerical simulation and other technologies are important development directions for the nuclear energy safety in the future. With the further innovation and diversity of the technology, the diversified development trend of the nuclear energy is expected to occupy an important position in the global energy structure.

The current state and the development requirement of target drones

FANG Bin, XU Rui, GAO Xiang, CAI Yuxuan, XU Yang
Science & Technology Review. 2020, 38 (20): 50-56. ;  doi: 10.3981/j.issn.1000-7857.2020.20.011
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Abstract ( 37 )
As a critical equipment of constructing the actual combat environment, with the maneuvering capability against threat, the target drones must have desirable electromagnetic and countermeasure characteristics. Since the performance of threats is being enhanced rapidly, the lack of the simulation capability for the domestic target drones becomes a serious issue. This paper reviews the typical models and the practical applications of target drones in China and America, including the performance level and the simulation capability of the existing target drones. In view of the enhanced threat, the specific capability requirement for the target drones is analyzed, and a novel method based on the multi-target drone combination is put forward. Finally, some proposals are made for strengthening the top design, verifying the capability requirement, tackling the key technologies and perfecting the system in the context of the long-term development of target drones.

Physical and engineering characteristics of reef limestone: A review

ZHONG Yu, WANG Ren, LI Qi, WEI Houzhen, LI Xiaying
Science & Technology Review. 2020, 38 (20): 57-70. ;  doi: 10.3981/j.issn.1000-7857.2020.20.012
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Abstract ( 103 )
The reef limestone is the main part of the coral reef rock mass. Its physical and engineering characteristics are important issues in the ocean construction, which concerns directly with the development process of "the 21st-Century Maritime Silk Road" infrastructure. This paper reviews the studies of the coral reef limestones in different regions in recent decades, it is found that they have physical properties of high porosity, low density and low strength, with complex diversity of structure types due to their complex sedimentary environment and with different stress responses for different degrees of cementation. These properties are distinct from those of other continental and marine sedimentary rocks. So far, the studies of coral reef limestones are few and many problems are emerging along with the coral reef engineering constructions. Therefore, the studies of these aspects are highly desirable. The coral reef limestones should be classified by texture and structure types before a systematic study. The microscopic cementation mechanism, the engineering mechanical characteristics and the effect of seawater erosion are important topics in further studies of coral reef limestones.

New development of coal gasification technology

YANG Fu, DUAN Zhonghui, MA Dongmin, TIAN Tao, FU Deliang, HE Dan
Science & Technology Review. 2020, 38 (20): 71-85. ;  doi: 10.3981/j.issn.1000-7857.2020.20.013
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Abstract ( 72 )
Underground coal gasification(UCG) is an effective means to exploit deep coal resources, and is a technology of clean and efficient development and utilization of energies. As compared with the traditional coal mining and surface gasification, it enjoys obvious advantages of economy, safety and cleanness, among other advantages. This paper reviews the development history, the gasification principle and the current situation of different gasification processes in the coal underground gasification, and it is pointed out that no-shaft underground coal gasification technology is the development trend in the future. A brief assessment of the latest advances and the development tendency is made, including the site selection, the selective gasifier, the goaf control and detection, the ultra-short horizontal well technology, the classification and the comprehensive utilization of gasification products. It is shown that combined application of the UCG-CCUS technology will make the underground coal gasification truly a new generation of green coal mining technology.

Progress and prospection of the severe weather forecasting demonstration project technologies

WANG Yi, ZHOU Qingliang, TONG Hua, XIAN Di, XU Wanzhi, REN Lu, TANG Wenyuan
Science & Technology Review. 2020, 38 (20): 86-96. ;  doi: 10.3981/j.issn.1000-7857.2020.20.014
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Abstract ( 41 )
In the context of the global climate change, severe weather is increasingly threatening the sustainable development of all countries, especially, developing countries. Thus an accurate and reliable weather forecast and the warning information are essential. This paper analyzes the Severe Weather Forecasting Demonstration Project (SWFDP) of the World Meteorological Organization (WMO), including its initial concept and the status of regional subprojects. Currently, 8 regional subprojects were set up, covering about 80 countries. The recent technical progresses of the severe weather forecasting are reviewed, including the global deterministic numerical models, the regional numerical models, the ensemble prediction systems and the meteorological satellite data applications. The SWFDP involves a cascading forecasting process to provide an effective access to the products and the tools made available by the advanced operational global and regional centres. The basic characteristics of the numerical models and the operational systems in the major domestic and international meteorological centers are analyzed. Furthermore, current challenges for the development of the severe weather forecasting demonstration project are analyzed and the prospects of the project as well as the numerical model applications are discussed.

The disruptive technology of recognition based on topic mutation detection: With the drone technology as an example

LIU Zhongbao, KANG Jiaqi, ZHANG Jing
Science & Technology Review. 2020, 38 (20): 97-105. ;  doi: 10.3981/j.issn.1000-7857.2020.20.015
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Abstract ( 103 )
The disruptive technology is of great strategic significance for the leap-forward development of China's technological innovation. In order to get rid of the situation of the lack of original innovation capabilities, and to deal with the varied key core technologies, the subversive technology identification is of great significance. This paper takes the UAV technology field as an example, reviews 2812 papers and patent data collected in the Web of Science (Wos) paper database and Derwent patent database from 2005 to 2019, with the technology based on the LDA-LSTM text classification algorithm Theme, and the CiteSpace to build a co-occurrence network, to realize the theme mutation detection from the perspective of mutation weight ranking and mutation time period and mutation co-word clustering knowledge map, and to identify the brain-computer interface technology and the gesture control in the UAV interaction The technology is a disruptive technology in this field. Finally, the validity of the recognition framework is verified through patents in the related papers in the field of the drone technology in 2020.

Protection of important economic targets in the information war

GUO Yanpeng, QIN Youquan, ZHENG Ying, LIU Fei, CHEN Zhilong
Science & Technology Review. 2020, 38 (20): 106-112. ;  doi: 10.3981/j.issn.1000-7857.2020.20.016
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Abstract ( 81 )
In view of preparing for war, this paper puts forward methods of selecting and classifying important economic targets; analyzes the significance and the requirements of protecting these important economic targets in the information war; clarifies the types of the weapons to be used according to the national conditions; and expounds the overall philosophy, the system structure and the implementation path of the protection, to provide a theoretical support for the research and the construction of the economic target protection system.
Scientifc Comments

The scientific output maximization of Spitzer Mission

FAN Quanlin, SHI Peng, WANG Qin, YOU Liang
Science & Technology Review. 2020, 38 (20): 113-122. ;  doi: 10.3981/j.issn.1000-7857.2020.20.017
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Abstract ( 82 )
NASA's Spitzer Space Telescope finally ceased all science operations after more than 16 years'operation, with 5 times of mission extensions. Significant discoveries were made in many fields, such as studying the universe in the infrared light, revealing new wonders in our solar system, our galaxy, and beyond, as well as detecting exoplanets and characterizing their atmospheres. More than 9000 scientific papers were published based on its scientific data. A novel Earth-trailing heliocentric orbit was chosen, with the then state-of-the-art, large-format infrared detector arrays in the design of the Spitzer. The mission adjusted its scientific objectives as soon as the exoplanets became a new hot spot of the space astronomy observation after its launch. Scientific observations were made for another 10 years after its cryogenic main mission with the only one payload left among the three focal plane scientific instruments aboard, i.e. the two shortest wavelength bands, at 3.6 and 4.5 microns of the 4 channel infrared array camera. For a sustainable progress of China's space science missions, it is beneficial to learn from the Spitzer mission's practices such as the open technology innovation, the adjustment of the scientific goal with the times, and the collaborative integrated observation with other ground or space astronomical telescopes.
Science and Technology Humanities

The grand master of international pattern recognition and machine intelligence: Commemorating the 90th anniversary of King-Sun Fu's birth

CAI Zixing
Science & Technology Review. 2020, 38 (20): 123-133. ;  doi: 10.3981/j.issn.1000-7857.2020.20.018
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Abstract ( 79 )
2020 is the 90th anniversary of the birth of King-Sun Fu, the father of the pattern recognition and a world-renowned scientist in artificial intelligence and machine vision. This paper recalls the legendary life of Professor Fu, tells many of his touching stories, as well as his scientific thought and spirit, and evaluates his outstanding contributions to the disciplines of pattern recognition and machine intelligence.

Technical principle, development and application ——of “artificial sperm” technology

SUN Yingmei
Science & Technology Review. 2020, 38 (20): 134-136. ;  doi: 10.3981/j.issn.1000-7857.2020.20.019
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Abstract ( 44 )
The "artificial sperm" can carry the genetic information of a haploid genome, to fuse with an egg cell and to be developed into a semi clonal individual. In this paper, the technical principle, the main development process and the applications of this cutting-edge technology are reviewed.

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