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Space view of the decadal variation for typical air pollutants in the Pearl River Delta (PRD) region

Zifeng WANG, Min SHAO, Liangfu CHEN, Minghui TAO, Liuju ZHONG, Duohong CHEN, Meng FAN, Yang WANG, Xinhui WANG

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 5, doi: 10.1007/s11783-016-0853-y

Abstract: homogeneous spatial distribution over both of PRD and its vicinity, and presented an opposite increasing trend

Keywords： The Pearl River Delta (PRD) Satellite monitoring Regional air quality Long-term trend HCHO

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Evaluation of the influence of El Niño–Southern Oscillation on air quality in southern China from long-term historical observations

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 2, doi: 10.1007/s11783-021-1460-0

Abstract:

•Strong ENSO influence on AOD is found in southern China region.

Keywords： El Niño–Southern Oscillation Aerosol concentration Aerosol particle size Contribution separation Decadaltrend Southern China

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Innovation and Trend of Gears-Technology

Liang Guiming

Strategic Study of Chinese Academy of Engineering 2000, Volume 2, Issue 3, Pages 1-6

Abstract:

The trend of innovation of gears in the coming 50 years will be seeking miniaturization, puification

Keywords： gears innovation trend

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Trend detection and stochastic simulation prediction of streamflow at Yingluoxia hydrological station

Chenglong ZHANG,Mo LI,Ping GUO

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 1, Pages 81-96 doi: 10.15302/J-FASE-2016112

Abstract: The results indicated there was a significant long-term increasing trend.

Keywords： Monte Carlo nonstationary trend detection streamflow prediction decomposition and ensemble Yingluoxia

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Temporal trend of mortality from major cancers in Xuanwei, China

Hualiang Lin,Bofu Ning,Jihua Li,Guangqiang Zhao,Yunchao Huang,Linwei Tian

Frontiers of Medicine 2015, Volume 9, Issue 4, Pages 487-495 doi: 10.1007/s11684-015-0413-z

Abstract: This study aimed to investigate the temporal trend of eight major cancers in Xuanwei County using datarates for all other types of cancer were lower than those of the national average, but an increasing trendThe temporal trend could be partly explained by changes in risk factors, but it also may be due to theepidemiological studies are warranted to systematically examine the underlying reasons for the temporal trend

Keywords： cancer mortality Xuanwei temporal trend

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Globalization of R&D： New Trend of Economy Globalization

Zhang Yanzhong

Strategic Study of Chinese Academy of Engineering 2005, Volume 7, Issue 9, Pages 14-17

Abstract:

The profound influence of economy globalization on the progress of the world, especially the impact on the development of China is described. It proposes that the globalization of R&D is a new stage of economy globalization. The rapid development of TNCs’ R&D in China is presented. The opportunities and challenges of R&D globalization for both developed and developing countries are discussed. The measures for encouraging globalization of R&D for developed, developing countries and UN are suggested.

Keywords： globalization of R&D economy globalization TNCs R&D center new trend

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Detection of critical road roughness sections by trend analysis and investigation of driver speed interaction

Frontiers of Structural and Civil Engineering Pages 515-532 doi: 10.1007/s11709-022-0814-4

Abstract: These data were analysed using the distance-dependent Mann-Kendall trend analysis method and checkerboard

Keywords： trend analysis checkerboard model IRI driver speed

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Atomic and close-to-atomic scale manufacturing—A trend in manufacturing development

Fengzhou FANG

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 4, Pages 325-327 doi: 10.1007/s11465-016-0402-1

Abstract:

Manufacturing is the foundation of a nation’s economy. It is the primary industry to promote economic and social development. To accelerate and upgrade China’s manufacturing sector from “precision manufacturing” to “high-performance and high-quality manufacturing”, a new breakthrough should be found in terms of achieving a “leap-frog development”. Unlike conventional manufacturing, the fundamental theory of “Manufacturing 3.0” is beyond the scope of conventional theory; rather, it is based on new principles and theories at the atomic and/or close-to-atomic scale. Obtaining a dominant role at the international level is a strategic move for China’s progress.

Keywords： atomic manufacturing Manufacturing 3.0 Manufacturing 2025 Industry 4.0

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A study on the status quo, development trend and the innovation frontline of hydraulic and hydroelectric

Ma Hongqi

Strategic Study of Chinese Academy of Engineering 2011, Volume 13, Issue 12, Pages 15-19

Abstract:

This paper introduces the major domestic achievements on underground projects and technology. As cities are faced with a series of social and environmental problems, such as speeding up of urbanization, shortage of resources, worsening of environment and soil declination, underground space will soon be developed and utilized as a new form of national resources, and the demand for underground projects has a huge potential. The paper elaborates on the fundamental scientific and critical technological problems in the research of underground project technological innovations.

Keywords： underground project technology status quo and development trend study on the innovation frontline

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The development trend and practical innovation of smart cities under the integration of new technologies

Xiaohong CHEN

Frontiers of Engineering Management 2019, Volume 6, Issue 4, Pages 485-502 doi: 10.1007/s42524-019-0057-9

Abstract: Smart cities have rapidly developed in the context of the integration of new digital technologies such as big data, Internet of Things, artificial intelligence, blockchains, and virtual reality. These cities have conducted practical innovations and typical cases in many sectors, such as in government, transportation, environmental protection, energy, medical care, and logistics, and have produced many social, economic, and ecological benefits. However, there are still some problems that continue to hinder the construction of smart cities. This paper examines such problems in depth and proposes some relevant countermeasures and suggestions.

Keywords： new technology integration smart city big data practical innovation

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On the Technical Features and Development Trend of Main Battle Tank

Wang Zherong

Strategic Study of Chinese Academy of Engineering 2002, Volume 4, Issue 11, Pages 7-11

Abstract:

As a complex weapon system integrated with optical/mechanical/hydraulic technology, main battle tank (MBT) has powerful fire, high mobility and integrated protection. This paper described the status of MBT in the war and its performance characteristics. On the basis of analysis of existing problems and development tendency of current MBT, the author put forward that in order to meet the operational requirements of the future high-technology war the next generation MBT should be low-profiled, light, digital and stealthy.

Keywords： MBT technical features development trend

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Trend prediction technology of condition maintenance for large water injection units

Xiaoli XU, Sanpeng DENG

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 2, Pages 171-175 doi: 10.1007/s11465-009-0091-0

Abstract: Trend prediction technology is the key technology to achieve condition-based maintenance of mechanicalTo ensure the normal operation of units and save maintenance costs, trend prediction technology is studiedThe main methods of the technology are given, the trend prediction method based on neural network isThe industrial site verification shows that the proposed trend prediction technology can reflect theoperating condition trend change of the water injection units and provide technical means to achieve

Keywords： water injection units condition-based maintenance trend prediction

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Development trend of urban design in “digital age”: Pan-dimensionality and individual-ubiquity

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3, Pages 569-575 doi: 10.1007/s11709-021-0735-7

Abstract: The wave of “digital age” featuring digital information is coming. Digital technology is profoundly changing the societal development direction and evolution paths. It also has significant bearing on production modes, social interactions and lifestyles. With regard to urban design, a system of knowledge about the creation and adaptation of material space forms that integrate humanities, art, technology and materials, digital technology has provided it with a brand-new and revolutionary scientific impetus for its evolution. The result of this evolution is “digital urban design paradigm based on human-computer interaction”, i.e., the urban development is moving toward “pan-dimensionality” and “individual ubiquity”. The future of urban design will construct a new approach to urban research and engineering, which is more complex, capable of accommodating and compatible with multiple goals of “instrumental rationality” and “value rationality”. Such a new approach shall be led by the probabilistic theory of “gray scale thinking”, reflecting quaternary synergetic view of “scientific rationality, ecological rationality, cultural rationality and technical rationality” to realize the cognitive progress of “engineering for the benefit of mankind”.

Keywords： digital age urban design multiple objectives human-computer interaction pan-dimensionality individual-ubiquity

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Ground-to-Air Radar Jamming Syste——Functions in Current Local Conflict and Its Development Trend

Zhang Xixiang

Strategic Study of Chinese Academy of Engineering 2000, Volume 2, Issue 7, Pages 55-65

Abstract:

This paper describes the development of the ground-to-air jammer. Initially this equipment can only jam the bomb-aiming radar, but now it has evolved into a ground-to-air jamming system or series, which can jam a variety of radars , including airborne radar on combat aircraft, missile guidance radar, precise guid-ance radar, AW ACS radar and sat ellite-borne radar, etc. The paper analyzes the jamming conception, methods and jamming station configuration against these types of radars.

The paper provides the conceptual analysis of the jamming suppression factors taken for jamming new types of radars, derives their mathematical expressions, and gives both the computer-simulated result and real-test result to further prove the confidence of the theoretical analysis.

The paper notes that in 2 current conflicts in 1990s, the intruders won the wars with very low loss rate (only several parts of ten thousands), because the other side had not equipped with the ground-to-air jamming systems. If they had got the ground-to-air jamming equipment deployed in their air defense system, they would have supported their air defense system to function well, reduced their own loss rate, increased the enemy´s loss, and made intruders not to win so easily.

The paper concludes that the ground-to-air jamming system plays a very important role in the national defense. It has both defensive and offensive functions with its 3D jamming capabilities. Also it is very, cost effective and quite suitable for the developing countries. The ground-to-air jamming system will have a bright future.

Keywords： ground-to-air jamming system functions in current conflict development trend

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Symbolic representation based on trend features for knowledge discovery in long time series

Hong YIN,Shu-qiang YANG,Xiao-qian ZHU,Shao-dong MA,Lu-min ZHANG

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 9, Pages 744-758 doi: 10.1631/FITEE.1400376

Abstract: In this paper, we propose a new symbolic representation method for long time series based on trend features, called trend feature symbolic approximation (TFSA).Unlike some previous symbolic methods, it focuses on retaining most of the trend features and patternsA time series is represented by trend symbols, which are also suitable for use in knowledge discovery

Keywords： Long time series Segmentation Trend features Symbolic Knowledge discovery

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Title Author Date Type Operation

Space view of the decadal variation for typical air pollutants in the Pearl River Delta (PRD) region

Zifeng WANG, Min SHAO, Liangfu CHEN, Minghui TAO, Liuju ZHONG, Duohong CHEN, Meng FAN, Yang WANG, Xinhui WANG

Journal Article

Evaluation of the influence of El Niño–Southern Oscillation on air quality in southern China from long-term historical observations

Journal Article

Innovation and Trend of Gears-Technology

Liang Guiming

Journal Article

Trend detection and stochastic simulation prediction of streamflow at Yingluoxia hydrological station

Chenglong ZHANG,Mo LI,Ping GUO

Journal Article

Temporal trend of mortality from major cancers in Xuanwei, China

Hualiang Lin,Bofu Ning,Jihua Li,Guangqiang Zhao,Yunchao Huang,Linwei Tian

Journal Article

Globalization of R&D： New Trend of Economy Globalization

Zhang Yanzhong

Journal Article

Detection of critical road roughness sections by trend analysis and investigation of driver speed interaction

Journal Article

Atomic and close-to-atomic scale manufacturing—A trend in manufacturing development

Fengzhou FANG

Journal Article

A study on the status quo, development trend and the innovation frontline of hydraulic and hydroelectric

Ma Hongqi

Journal Article

The development trend and practical innovation of smart cities under the integration of new technologies

Xiaohong CHEN

Journal Article

On the Technical Features and Development Trend of Main Battle Tank

Wang Zherong

Journal Article

Trend prediction technology of condition maintenance for large water injection units

Xiaoli XU, Sanpeng DENG

Journal Article

Development trend of urban design in “digital age”: Pan-dimensionality and individual-ubiquity

Journal Article

Ground-to-Air Radar Jamming Syste——Functions in Current Local Conflict and Its Development Trend

Zhang Xixiang

Journal Article

Symbolic representation based on trend features for knowledge discovery in long time series

Hong YIN,Shu-qiang YANG,Xiao-qian ZHU,Shao-dong MA,Lu-min ZHANG

Journal Article

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