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Dynamic contribution of variable-speed wind energy conversion system in system frequency regulation

Yajvender Pal VERMA, Ashwani KUMAR

Frontiers in Energy 2012, Volume 6, Issue 2,   Pages 184-192 doi: 10.1007/s11708-012-0185-y

Abstract: This paper examines the dynamic contribution of doubly fed induction generator (DFIG)-based wind turbineAn additional reference power output is used which helps the DFIG to release kinetic energy stored inThe simulations carried out in a two-area interconnected power system demonstrate the contribution of

Keywords： doubly fed induction generator (DFIG)     load frequency control     inertial control     wind energy conversion    

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Impact of inter-fuel substitution on energy intensity in Ghana

Boqiang LIN, Hermas ABUDU

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 27-41 doi: 10.1007/s11708-019-0656-5

Abstract: The current energy dynamics reveal the expected inverse relationship: higher energy intensity and lowerThere are evidences of energy-economic challenges: high energy cost, inefficiency and backfire reboundThe implications are higher energy losses in the system, more consumption of lower-quality energy togetherEnergy policymakers should enhance the installation of smart energy, cloud energy solution, tokenizationof energy system and storage.

Keywords： energy intensity     energy elasticity     inter-fuel substitution prospects     energy contribution     Translog production    

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Situation and measures of China’s CO

Jiankun HE

Frontiers in Energy 2018, Volume 12, Issue 3,   Pages 353-361 doi: 10.1007/s11708-018-0564-0

Abstract: reduction for combating climate change with its domestic sustainable development strategy to promote energy, enhances energy use efficiency and the economic output benefit, and simultaneously develops new andrenewable energy and accelerates energy structural decarbonization, so that the annual decrease ratesystem with near-zero emissions and with new and renewable energy as the main body in the second halfimplements the concept of green low-carbon development and accelerates the low carbon transition of energy

Keywords： climate change     the Paris Agreement     energy revolution     NDC (national determined contribution) goals    

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The Contribution of Solar Energy Technology to Reduction of CO2 Emissions in Future in China

Zhao Yuwen

Strategic Study of CAE 2003, Volume 5, Issue 4,   Pages 38-40

Abstract:

The effect of solar energy technology on the reduction of CO2 emissions in future in Chinais estimated based on“The strategic study of alternative energy development in China” .Theresults show that solar energy technology will have an appreciable effect after 2010, and a remarkable

Keywords： solar energy     reduction of CO2 emissions    

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Prediction of the flash points of alkanes by group bond contribution method using artificial neural networks

PAN Yong, JIANG Juncheng, WANG Zhirong

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 4,   Pages 390-394 doi: 10.1007/s11705-007-0071-z

Abstract: A group bond contribution model using artificial neural networks, which had the high ability of nonlinearK and the absolute mean relative error was 2.29%, which were superior to those of traditional group contribution

Keywords： information     nonlinear     quantitative correlation     superior     molecular    

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Identify the contribution of vehicle non-exhaust emissions: a single particle aerosol mass spectrometer

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 5, doi: 10.1007/s11783-023-1662-8

Abstract:

● A single particle observation was conducted in a high traffic flow road environment.

Keywords： Non-exhaust emissions     SPAMS     PMF     Roadside environment    

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Everyone has a donor: contribution of the Chinese experience to global practice of haploidentical hematopoietic

Meng Lv, Yingjun Chang, Xiaojun Huang

Frontiers of Medicine 2019, Volume 13, Issue 1,   Pages 45-56 doi: 10.1007/s11684-017-0595-7

Abstract: Human leukocyte antigen (HLA)-matched donors for hematopoietic stem cell transplantation (HSCT) have long been scarce in China. Haploidentical (haplo) donors are available for the vast majority of patients, but toxicity has limited this approach. Three new approaches for haplo-HSCT originated from Italy, China, and USA in 1990 and have been developed to world-renowned system up to now. The Chinese approach have been greatly improved by implementing new individualized conditioning regimens, donor selection based on non-HLA systems, risk-directed strategies for graft-versus-host disease and relapse, and infection management. Haplo-HSCT has exhibited similar efficacy to HLA-matched HSCT and has gradually become the predominant donor source and the first alternative donor choice for allo-HSCT in China. Registry-based analyses and multicenter studies adhering to international standards facilitated the transformation of the unique Chinese experience into an inspiration for the refinement of global practice. This review will focus on how the new era in which “everyone has a donor” will become a reality in China.

Keywords： haploidentical hematopoietic stem cell transplantation     conditioning     graft-versus-host disease     relapse     infection     donor selection    

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Contribution of national bioassessment approaches for assessing ecological water security: an AUSRIVAS

Susan J. NICHOLS, Fiona J. DYER

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 5,   Pages 669-687 doi: 10.1007/s11783-013-0556-6

Abstract: water security, and suggest that such an approach provides a way of reporting that is relevant to the contribution

Keywords： ecological water security     biological assessment     river health    

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Human health ambient water quality criteria for 13 heavy metals and health risk assessment in Taihu Lake

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 4, doi: 10.1007/s11783-021-1475-6

Abstract:

• The concentrations of 13 heavy metals in Taihu Lake were analyzed.

Keywords： Heavy metals     Human health ambient water quality criteria     Taihu Lake     Health risk assessment     Contribution    

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China’s pre-2020 CO

Hailin WANG

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 571-578 doi: 10.1007/s11708-019-0640-0

Abstract: implementation of the “13th Five-Year Plan (FYP),” with the decline of economic growth rate, decrease of energyconsumption elasticity and optimization of energy structure, the CO intensity of GDP will still haveBy applying KAYA Formula decomposition, this paper makes the historical statistics of the GDP energyintensity decrease and CO intensity of energy consumption since 2005, and simulates the decrease ofCO intensity of GDP in 2020 and its influences on achieving National Determined Contribution (NDC) target

Keywords： China’s National Determined Contribution     emission reduction potential     scenario analysis     CO2   

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Contribution of CNTs/CNFs morphology to reduction of autogenous shrinkage of Portland cement paste

Feneuil BLANDINE, Karin HABERMEHI-CWIRZEN, Andrzej CWIRZEN

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 2,   Pages 255-255 doi: 10.1007/s11709-017-0395-9

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Contribution of black carbon to nonlinearity of sorption and desorption of acetochlor on sediment

Jianqiu LIU, Yaobin ZHANG, Hong CHEN, Yazhi ZHAO, Xie QUAN

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 1,   Pages 69-74 doi: 10.1007/s11783-008-0076-y

Abstract: In order to investigate the contribution of various black carbon (BC) contents to nonlinearity of sorptionin shifting the sorption-desorption isotherms from linearity to nonlinearity, which indicated that contribution

Keywords： black carbon (BC)     sorption     desorption     sediment    

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Contribution of Design Innovation to Oriental Pearl Tower & Menara Jakarta

Jiang Huancheng

Strategic Study of CAE 1999, Volume 1, Issue 1,   Pages 30-35

Abstract:

The project Oriental Pearl Tower, 463.85 m in height, ranked the first in Asia and the third in the world, has attracted millions´ visitors and been publicly recognized as the most important landmark of Shanghai. The project Menara Jakarta, 558 m in height with total floor area of 320 000 m2 is going to be the number one in the world. The pile work of Menara Jakarta has already been completed soon after construction commencement in January 1998. However, the project has to be interrupted due to the intenational financial crisis.
  The success in both Shanghai Oriental Pearl Tower construction and the design competition of Menara Jakarta should be greatly attributed to the design innovation not only in architecture, but also in structure and other disciplines through the whole project from design concept to details. In the project of Shanghai Tower, designers used a string of pearls to symbolize Shanghai, hanging on a mega space frame with a sets of diagonal struts, which breaks out the traditional system of single tube to be commonly used for concrete TV tower.Therefore, a unique architecture was formed for the city landmark. Such kind of structure is also beneficial for wind and seismic resistance. Furthermore, a series of advanced technologies were employed in the tower, such as to use a prestressed concrete shell to support the 50m sphere, to use bi-hanging steel structure for the45m sphere and to design the antenna pole by using climb-up method after integrated on the ground etc. All of these innovations in design ingeniously and rationally solved a lot of problems for such complicated structure, so that the difficult construction work became easy.
  In the project of Menara Jakarta, designers kept and developed all advantages and overcome some shortages in Shanghai Tower. Many new innovations were further made. Therefore the tower becomes simple, straight forward and elegant.In order that the technology innovations were based on solid science, series experimental studies in seismic engineering, wind engineering and static loading had carefully been done for Shanghai Tower, and some studies had been done for Menara Jakarta.

Keywords： design innovation     TV tower     space frame     diagonal strut     sphere     steel pole     hanging structure    

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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    

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Title Author Date Type Operation

Dynamic contribution of variable-speed wind energy conversion system in system frequency regulation

Yajvender Pal VERMA, Ashwani KUMAR

Journal Article

Impact of inter-fuel substitution on energy intensity in Ghana

Boqiang LIN, Hermas ABUDU

Journal Article

Situation and measures of China’s CO

Jiankun HE

Journal Article

The Contribution of Solar Energy Technology to Reduction of CO2 Emissions in Future in China

Zhao Yuwen

Journal Article

Prediction of the flash points of alkanes by group bond contribution method using artificial neural networks

PAN Yong, JIANG Juncheng, WANG Zhirong

Journal Article

Identify the contribution of vehicle non-exhaust emissions: a single particle aerosol mass spectrometer

Journal Article

Everyone has a donor: contribution of the Chinese experience to global practice of haploidentical hematopoietic

Meng Lv, Yingjun Chang, Xiaojun Huang

Journal Article

Contribution of national bioassessment approaches for assessing ecological water security: an AUSRIVAS

Susan J. NICHOLS, Fiona J. DYER

Journal Article

Human health ambient water quality criteria for 13 heavy metals and health risk assessment in Taihu Lake

Journal Article

China’s pre-2020 CO

Hailin WANG

Journal Article

Contribution of CNTs/CNFs morphology to reduction of autogenous shrinkage of Portland cement paste

Feneuil BLANDINE, Karin HABERMEHI-CWIRZEN, Andrzej CWIRZEN

Journal Article

Planning the Development Blueprint of the Capital and Making Contribution to the Urban Modernization

Journal Article

Contribution of black carbon to nonlinearity of sorption and desorption of acetochlor on sediment

Jianqiu LIU, Yaobin ZHANG, Hong CHEN, Yazhi ZHAO, Xie QUAN

Journal Article

Contribution of Design Innovation to Oriental Pearl Tower & Menara Jakarta

Jiang Huancheng

Journal Article

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

Journal Article