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From understanding to designing soundscapes

Jian KANG

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 4,   Pages 403-417 doi: 10.1007/s11709-010-0091-5

Abstract: Soundscape represents a step change in the field of environmental acoustics in that it combines physical, social, and psychological approaches. Although the term soundscape was introduced in the 1960s, significant attention to it has mainly been paid in the last decade or so in the community of environmental acoustics by researchers and recently by practitioners including policy makers. This paper explores the current situation and future challenges in soundscape. Starting with a framework on research and practical needs in soundscape and a brief introduction of some recent/current networks, activities, projects, and publications, this paper then presents a systematic review of recent progress in soundscape research and practice. A short review of the soundscape research in China is also given.

Keywords： soundscape     environment     sound     design     urban     landscape    

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Air pollution complex: Understanding the sources, formation processes and health effects

Min Shao,Shuxiao Wang,Armistead G. Russell

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 5, doi: 10.1007/s11783-016-0883-5

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Atomistic understanding of interfacial processing mechanism of silicon in water environment: A ReaxFF

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 570-579 doi: 10.1007/s11465-021-0642-6

Abstract: However, the understanding regarding the micro dynamic process is still unclear due to the limitations

Keywords： silicon     ReaxFF     molecular dynamics     friction     damage    

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Culturomics and metagenomics: In understanding of environmental resistome

Monika Nowrotek, Łukasz Jałowiecki, Monika Harnisz, Grażyna Anna Płaza

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 3, doi: 10.1007/s11783-019-1121-8

Abstract:

State of the art of culturomics and metagenomics to study resistome was presented.

The combination of culturomics and metagenomics approaches was proposed.

The research directions of antibiotic resistance study has been suggested.

Keywords： Culturomics     Metagenomics     Antibiotic resistance     Resistome    

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Effect of styrene-butadiene-styrene copolymer on the aging resistance of asphalt: An atomistic understanding

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1261-1276 doi: 10.1007/s11709-021-0761-5

Abstract: To reveal the potential influence of styrene-butadiene-styrene (SBS) polymer modification on the anti-aging performance of asphalt, and its mechanism, we explored the aging characteristics of base asphalt and SBS-modified asphalt by reaction force field (ReaxFF) and classical molecular dynamics simulations. The results illustrate that the SBS asphalt is more susceptible to oxidative aging than the base asphalt under oxygen-deficient conditions due to the presence of unsaturated C=C bonds in the SBS polymer. In the case of sufficient oxygen, the SBS polymer inhibits the oxidation of asphalt by restraining the diffusion of asphalt molecules. Compared with the base asphalt, the SBS asphalt exhibits a higher degree of oxidation at the early stage of pavement service and a lower degree of oxidation in the long run. In addition, SBS polymer degrades into small blocks during aging, thus counteracting the hardening of aged asphalt and partially restoring its low-temperature cracking resistance.

Keywords： SBS asphalt     oxidative aging     asphalt hardening     ReaxFF     molecular dynamics    

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Recent advances in understanding genetic variants associated with economically important traits in sheep

Song-Song XU, Meng-Hua LI

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 3,   Pages 279-288 doi: 10.15302/J-FASE-2017151

Abstract: Sheep are one of the most economically important domesticated animals for human society. However, genetic improvements for the key traits associated with meat, growth, milk, wool, reproduction, horns and tails progress slowly using conventional crossbreeding methods. With the development and utilization of high-throughput screening technologies over the last decade, a list of functional genes and genetic variants associated with these traits has been identified. This review covers recent genome-wide studies on sheep productive traits using high-throughput screening technologies, including those based on single-nucleotide polymorphisms and copy number variants at the whole-genome level (e.g., genome-wide association studies), transcriptome and DNA methylation sequences. Additionally, comprehensive information on functional genes and genetic variants associated with economically important traits in sheep is provided.

Keywords： sheep     high-throughput screening     productive traits     genome-wide studies    

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Improved film evaporator for mechanistic understanding of microwave-induced separation process

Xin Gao, Dandan Shu, Xingang Li, Hong Li

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 759-771 doi: 10.1007/s11705-019-1816-1

Abstract: In addition the depth understanding of the separation mechanisms is great importance for better utilizationEffects of operating parameters are also investigated to trigger further mechanism understanding on the

Keywords： process intensification     microwave     falling film evaporation     separation     azeotrope    

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Current understanding and applications of the cold sintering process

Tong Yu, Jiang Cheng, Lu Li, Benshuang Sun, Xujin Bao, Hongtao Zhang

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 654-664 doi: 10.1007/s11705-019-1832-1

Abstract: In traditional ceramic processing techniques, high sintering temperature is necessary to achieve fully dense microstructures. But it can cause various problems including warpage, overfiring, element evaporation, and polymorphic transformation. To overcome these drawbacks, a novel processing technique called “cold sintering process (CSP)” has been explored by Randall et al. CSP enables densification of ceramics at ultra-low temperature (≤300°C) with the assistance of transient aqueous solution and applied pressure. In CSP, the processing conditions including aqueous solution, pressure, temperature, and sintering duration play critical roles in the densification and properties of ceramics, which will be reviewed. The review will also include the applications of CSP in solid-state rechargeable batteries. Finally, the perspectives about CSP is proposed.

Keywords： cold sintering process     processing variables     solid-state rechargeable batteries    

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On visual understanding Perspective

Yunhe PAN

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 9,   Pages 1287-1289 doi: 10.1631/FITEE.2130000

Abstract: becomes indispensable. 2 Three-step model of visual understanding Visual recognition is notequivalent to visual understanding.We propose that there are three steps in visual understanding, of which classification is only the firstthree-step visual understanding model, we will further discuss some of its characteristics: 1.The key step in visual understanding is visual parsing.
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Practice and understanding of developing new technologies and equipment for green and low-carbon production

He LIU, Jianwen YAN, Siwei MENG, Qinghai YANG, Zixiu YAO, Shijia ZHU

Frontiers of Engineering Management 2019, Volume 6, Issue 4,   Pages 517-523 doi: 10.1007/s42524-019-0061-0

Abstract: The core of China’s low-carbon development includes optimization of industrial structure, clean energy technologies, emission reduction technologies, and innovation of relevant systems and institutions. China National Petroleum Corporation (CNPC) has always been a proactive participant in developing low-carbon economy, shouldering the responsibilities of safeguarding oil and gas supply, conserving energy, and reducing emission. Therefore, CNPC fulfills those responsibilities as a substantial part of its overall strategy. Guided by low carbon and driven by innovation, petroleum corporations have taken constant innovation of low-carbon technologies, especially the development of green and low-carbon petroleum engineering technologies and equipment, as major measures for energy conservation and emission reduction. Large-scale development mode of unconventional resource anhydrous fracturing should be innovated. And supercritical CO should be used to replace water for fracturing operation, in order to achieve multiple objectives of CO burying, conserve water resource, improve single well production and ultimate recovery, realizing reduced emission and efficient utilization of CO resources. Artificial lifting energy-saving and efficiency-increasing technologies and injection-production technology in the same well should also be innovated. Energy consumption of high water-cut wells is reduced to support the new low-carbon operation mode of high water-cut oilfields and realize energy saving and efficiency improvement during oil production by developing the operation efficiency of the lifting system and reducing the ineffective lifting of formation water. These technologies have been widely recognized by local and international experts and have greatly enhanced CNPC’s international influence. This study expounds the key technologies and equipment with regard to the development of green and low-carbon petroleum engineering and provide relevant suggestions.

Keywords： low carbon     energy conservation and emission reduction     petroleum engineering technology     petroleum equipment    

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Systems understanding of plant–pathogen interactions through genome-wide protein–protein interaction

Hong LI,Ziding ZHANG

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 2,   Pages 102-112 doi: 10.15302/J-FASE-2016100

Abstract: We anticipate genome-wide PPI network analysis will provide a clearer understanding of plant–pathogen

Keywords： plant–pathogen interactions     systems biology     omics     plant immunity     protein–protein interaction     network    

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Mechanistic understanding of Cu-based bimetallic catalysts

You Han, Yulian Wang, Tengzhou Ma, Wei Li, Jinli Zhang, Minhua Zhang

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 5,   Pages 689-748 doi: 10.1007/s11705-019-1902-4

Abstract: The mechanistic understanding can provide significant guidance for the design and controllable synthesis

Keywords： copper     bimetallic catalyst     coordination     modification mechanism     catalytic application    

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Rational Understanding about Renaissance Path of China's Road and Bridge Engineering

Mao-run Feng,Zheng-song Zhao

Frontiers of Engineering Management 2014, Volume 1, Issue 1,   Pages 42-51 doi: 10.15302/J-FEM-2014013

Abstract: At the turn of this century, China began the largest road and bridge development in the world, which has virtuously interacted with the social and economic development and has elevated the engineering technology to world-class level. Surveying the development of world transportation, and comparing the road and bridge construction efforts of Europe, U.S.A, Japan and China, general experiences of success can be derived as follows: It is greatly beneficial to give priority to transportation for economic development; it takes national strategy and social action to build up a transportation network; demand and innovation are the driving forces to upgrade road and bridge technology; management innovation and quality assurance can greatly improve development caliber. While rationally acknowledging China's transportation infrastructure achievements, we should reflect on issues with Chinese characteristics that have affected quality and efficiency, expose all construction practices that violate scientific law, overall management defects in road and bridge construction and maintenance, and search for new ways to strengthen social management and the creation of a healthy soft environment.

Keywords： road network     expressway     bridge project     technological innovation     construction management     social management    

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Toward better understanding vacuum ultraviolet–iodide induced photolysis via hydrogen peroxide formation

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 5, doi: 10.1007/s11783-021-1489-0

Abstract:

• UV/VUV/I– induces substantial H2O2 and IO3– formation, but UV/I– does not.

Keywords： Vacuum ultraviolet     Hydrogen peroxide     Iodate     Hydroxyl radical     Redox transition    

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Understanding the role of nano-TiO on the toxicity of Pb on through modeling–Is it additive or synergistic

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 5, doi: 10.1007/s11783-021-1493-4

Abstract:

• A two-compartment model is able to quantify the effect of nano-TiO2 on Pb toxicity.

Keywords： Algae     C. dubia     Lead     Nano-TiO2     Synergistic toxicity     Two-compartment toxicokinetic-toxicodynamic model    

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Title Author Date Type Operation

From understanding to designing soundscapes

Jian KANG

Journal Article

Air pollution complex: Understanding the sources, formation processes and health effects

Min Shao,Shuxiao Wang,Armistead G. Russell

Journal Article

Atomistic understanding of interfacial processing mechanism of silicon in water environment: A ReaxFF

Journal Article

Culturomics and metagenomics: In understanding of environmental resistome

Monika Nowrotek, Łukasz Jałowiecki, Monika Harnisz, Grażyna Anna Płaza

Journal Article

Effect of styrene-butadiene-styrene copolymer on the aging resistance of asphalt: An atomistic understanding

Journal Article

Recent advances in understanding genetic variants associated with economically important traits in sheep

Song-Song XU, Meng-Hua LI

Journal Article

Improved film evaporator for mechanistic understanding of microwave-induced separation process

Xin Gao, Dandan Shu, Xingang Li, Hong Li

Journal Article

Current understanding and applications of the cold sintering process

Tong Yu, Jiang Cheng, Lu Li, Benshuang Sun, Xujin Bao, Hongtao Zhang

Journal Article

On visual understanding

Yunhe PAN

Journal Article

Practice and understanding of developing new technologies and equipment for green and low-carbon production

He LIU, Jianwen YAN, Siwei MENG, Qinghai YANG, Zixiu YAO, Shijia ZHU

Journal Article

Systems understanding of plant–pathogen interactions through genome-wide protein–protein interaction

Hong LI,Ziding ZHANG

Journal Article

Mechanistic understanding of Cu-based bimetallic catalysts

You Han, Yulian Wang, Tengzhou Ma, Wei Li, Jinli Zhang, Minhua Zhang

Journal Article

Rational Understanding about Renaissance Path of China's Road and Bridge Engineering

Mao-run Feng,Zheng-song Zhao

Journal Article

Toward better understanding vacuum ultraviolet–iodide induced photolysis via hydrogen peroxide formation

Journal Article

Understanding the role of nano-TiO on the toxicity of Pb on through modeling–Is it additive or synergistic

Journal Article