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Associations of sleeping patterns and isotemporal substitution of other behavior with the prevalence

Frontiers of Medicine doi: 10.1007/s11684-023-1019-5

Abstract: Using isotemporal substitution models, we found that substituting 1 h of sleeping with sitting, walkingIn stratified analysis, a lower CKD prevalence related to substitution toward physical activity was found

Keywords： sleep     physical activity     chronic kidney disease     isotemporal substitution     behavioral pattern    

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Visible light responsive photocatalysts developed by substitution with metal cations aiming at artificial

Frontiers in Energy 2021, Volume 15, Issue 3,   Pages 568-576 doi: 10.1007/s11708-021-0774-8

Abstract: This mini-review introduces the recent work on visible-light-driven photocatalysts developed by substitution

Keywords： visible light responsive photocatalyst     water splitting     artificial photosynthesis: metal ion substitution    

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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: Energy intensity and elasticity, together with inter-fuel substitution are key issues in the currentAn inter-fuel substitution future scenario design was further conducted and the results were positive

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

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Trend and strategic choice of oil & gas mid-long term development in our country

Qiu Zhongjian,Zhao Wenzhi,Hu Suyun,Zhang Guosheng

Strategic Study of CAE 2011, Volume 13, Issue 6,   Pages 75-80

Abstract: The results showed that in a long period, our national demand for petroleum will be at strong growth,but the petroleum production will keep stable.In order to confine the dependency of domestic petroleum consumption on import at 60 %, it is necessaryto control energy demand and develop reliable petroleum substitution at the same time.

Keywords： oil & gas     development situation     petroleum substitution     foreign dependency     development strategy     measure    

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EFFECTS OF SUBSTITUTION OF MINERAL NITROGEN WITH ORGANIC AMENDMENTS ON NITROGEN LOSS FROM SLOPING CROPLAND

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 3,   Pages 396-406 doi: 10.15302/J-FASE-2022456

Abstract:

● Interflow acts as the dominant pathway for N loss loadings.

Keywords： improved fertilization regime     interflow     nitrogen forms     nitrogen leaching     purple soil     sloping cropland    

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Persistent Integration and Innovation Management Mode and Its Applications in Petroleum Production Engineering

He Liu

Frontiers of Engineering Management 2015, Volume 2, Issue 4,   Pages 339-343 doi: 10.15302/J-FEM-2015055

Abstract: Taking engineering philosophy as the guidance and technical innovations in petroleum production engineeringSets of new techniques, new methods, new technologies and new equipment in petroleum production engineering

Keywords： integration and innovation     engineering philosophy     petroleum production engineering     Daqing Oilfield    

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Smart oilfield development and transition of petroleum-based cities

He LIU, Xinhua MA

Frontiers of Engineering Management 2019, Volume 6, Issue 2,   Pages 299-301 doi: 10.1007/s42524-019-0024-5

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Visbreaking of heavy petroleum oil catalyzed by SO/ZrO solid super-acid doped with Ni or Sn

JING Ping, LI Qingbiao, HAN Mei, SUN Daohua, JIA Lishan, FANG Weiping

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 2,   Pages 186-190 doi: 10.1007/s11705-008-0035-y

Abstract: catalysts (SZ) doped with Ni or Sn (Ni/SZ, Sn/SZ) were prepared for catalytic visbreaking of heavy petroleumThe visbreaking reactions were carried out at 240°C and 3–4 MPa for 24 h using a heavy petroleum oilThe effect of water content on viscosity of heavy petroleum oil was also investigated.Both catalysts can promote thermolysis of heavy petroleum oil and the viscosity was reduced from 0.319The presence of water was disadvantageous to visbreaking of heavy petroleum oil.

Keywords： thermolysis     Shengli     asphaltene     SO/ZrO     presence    

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Sustainable conversion regenerated cellulose into cellulose oleate by sonochemistry

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 8,   Pages 1096-1108 doi: 10.1007/s11705-023-2317-9

Abstract: natural cellulose, it remains challenging to rapidly prepare cellulose derivatives with high degrees of substitutionratios of oleic acid, reaction time, and reaction solvent, a series of cellulose oleates with degrees of substitutionCellulose oleates with degrees of substitution exceeding 1.23 exhibited amorphous structures and thermoplasticity

Keywords： regenerated cellulose     cellulose oleate     sonochemistry     degree of substitution     thermoplasticity    

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Li Siguang and China's Big Discovery of Petroleum

Zhao Wenjing

Strategic Study of CAE 2005, Volume 7, Issue 2,   Pages 26-34

Abstract:

The article reviewed the objective experience of petroleum prospecting and exploitation and the developmenthistorical materials, that Li Siguang made irreplaceable contribution to China's big discovery of petroleum

Keywords： Li Siguang     China's oil resource     China's big discovery and development of petroleum    

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Comparison of combustion characteristics of petroleum coke and coal in one-dimensional furnace

Qulan ZHOU, Qinxin ZHAO, Guangjie ZHOU, Huiqing WANG, Tongmo XU, Shien HUI,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 436-442 doi: 10.1007/s11708-009-0059-0

Abstract: outer secondary air swirl strength and excess oxygen coefficient on the combustion characteristics of petroleumwith the increase in primary air fraction , the NO emission concentrations of both Hejin lean coal and petroleumThe ignition and burn-out rate of petroleum coke and Shenmu soft coal are optimal when Ω is minimumHowever, both the NO emission concentration of petroleum coke and Shenmu soft coal are minimum when &The increase in excess oxygen coefficient delays the ignition of petroleum coke, worsens the combustion

Keywords： petroleum coke     Shenmu soft coal     Hejin lean coal     combustion characteristics     experimental research    

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

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: China National Petroleum Corporation (CNPC) has always been a proactive participant in developing low-carbonGuided by low carbon and driven by innovation, petroleum corporations have taken constant innovationof low-carbon technologies, especially the development of green and low-carbon petroleum engineeringexpounds the key technologies and equipment with regard to the development of green and low-carbon petroleum

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

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Protein Substitution Strategy for Ensuring National Food Security in China

Pu Hua, Yang Jing, Wang Yongwei, Tu Tao, Li Yansong, Luo Huiying, Yao Bin

Strategic Study of CAE 2023, Volume 25, Issue 4,   Pages 149-157 doi: 10.15302/J-SSCAE-2023.04.003

Abstract: should be increased and the international market effectively exploited, in order to promote soybean meal substitution

Keywords： food security     feed protein source     protein substitution     soybean meal    

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Development and challenges of planning and scheduling for petroleum and petrochemical production

Fupei LI, Minglei YANG, Wenli DU, Xin DAI

Frontiers of Engineering Management 2020, Volume 7, Issue 3,   Pages 373-383 doi: 10.1007/s42524-020-0123-3

Abstract: Production planning and scheduling are becoming the core of production management, which support the decision of a petrochemical company. The optimization of production planning and scheduling is attempted by every refinery because it gains additional profit and stabilizes the daily production. The optimization problem considered in industry and academic research is of different levels of realism and complexity, thus increasing the gap. Operation research with mathematical programming is a conventional approach used to address the planning and scheduling problem. Additionally, modeling the processes, objectives, and constraints and developing the optimization algorithms are significant for industry and research. This paper introduces the perspective of production planning and scheduling from the development viewpoint.

Keywords： planning and scheduling     optimization     modeling    

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The Risk Analysis of Liquefied Petroleum Gas Leak and the Consequence Assessment Method

Chen Sining,Sun Jinhua,Wang Qingsong

Strategic Study of CAE 2005, Volume 7, Issue 9,   Pages 61-64

Abstract:

The liquefied petroleum gas (LPG) has multifarious risks associated with fire or explosion in the

Keywords： fire     liquefied petroleum gas leak     risk analysis     consequence assessment    

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Title Author Date Type Operation

Associations of sleeping patterns and isotemporal substitution of other behavior with the prevalence

Journal Article

Visible light responsive photocatalysts developed by substitution with metal cations aiming at artificial

Journal Article

Impact of inter-fuel substitution on energy intensity in Ghana

Boqiang LIN, Hermas ABUDU

Journal Article

Trend and strategic choice of oil & gas mid-long term development in our country

Qiu Zhongjian,Zhao Wenzhi,Hu Suyun,Zhang Guosheng

Journal Article

EFFECTS OF SUBSTITUTION OF MINERAL NITROGEN WITH ORGANIC AMENDMENTS ON NITROGEN LOSS FROM SLOPING CROPLAND

Journal Article

Persistent Integration and Innovation Management Mode and Its Applications in Petroleum Production Engineering

He Liu

Journal Article

Smart oilfield development and transition of petroleum-based cities

He LIU, Xinhua MA

Journal Article

Visbreaking of heavy petroleum oil catalyzed by SO/ZrO solid super-acid doped with Ni or Sn

JING Ping, LI Qingbiao, HAN Mei, SUN Daohua, JIA Lishan, FANG Weiping

Journal Article

Sustainable conversion regenerated cellulose into cellulose oleate by sonochemistry

Journal Article

Li Siguang and China's Big Discovery of Petroleum

Zhao Wenjing

Journal Article

Comparison of combustion characteristics of petroleum coke and coal in one-dimensional furnace

Qulan ZHOU, Qinxin ZHAO, Guangjie ZHOU, Huiqing WANG, Tongmo XU, Shien HUI,

Journal Article

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

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

Journal Article

Protein Substitution Strategy for Ensuring National Food Security in China

Pu Hua, Yang Jing, Wang Yongwei, Tu Tao, Li Yansong, Luo Huiying, Yao Bin

Journal Article

Development and challenges of planning and scheduling for petroleum and petrochemical production

Fupei LI, Minglei YANG, Wenli DU, Xin DAI

Journal Article

The Risk Analysis of Liquefied Petroleum Gas Leak and the Consequence Assessment Method

Chen Sining,Sun Jinhua,Wang Qingsong

Journal Article