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Simulation of flow excursion and thermal siphon under natural circulation condition with lower pressure

WANG Jianjun, YANG Xingtuan, JIANG Shengyao

Frontiers in Energy 2008, Volume 2, Issue 2,   Pages 169-173 doi: 10.1007/s11708-008-0044-z

Abstract: The result shows that the computer code can be used to simulate the static instability of a natural circulation

Keywords： HRTL-5     experiment     circulation     simulation     thermal    

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A perspective of “Nuclear Hot Spring” for long-term sustainable economy of the world

Yingzhong LU

Frontiers in Energy 2011, Volume 5, Issue 4,   Pages 349-357 doi: 10.1007/s11708-011-0168-4

Abstract: Recent technology break-through from inherent safety to natural safety has been made in China.The proposed full-power natural circulation “Nuclear Hot Spring (NHS)” reactor could operate solely onnatural forces without complex man-made coolant circulation equipment and human-operated control systems

Keywords： natural safety reactor     full power natural circulation     sustainable world economy    

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National Food Security Strategy Against the Backdrop of Domestic and International Dual Circulation

Yan Yan , Wang Xiudong , Wang Jimin , Mei Xurong ,Tang Huajun , Wu Kongming

Strategic Study of CAE 2023, Volume 25, Issue 4,   Pages 14-25 doi: 10.15302/J-SSCAE-2023.04.001

Abstract: In the context of "dual circulation" (i.e., domestic and international economic circulation) in China, clarifying the basic situation andbasic situation of food security in China and the challenges it faces in the context of "dual circulationproduction capacity, new protein resource substitution, green and lowcarbon planting and breeding circulation

Keywords： dual circulation     food security     food production capacity     green and low-carbon     planting and breedingcirculation     new protein feed    

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Design and application of a novel coal-fired drum boiler using saline water in heavy oil recovery

Junping GU, Yuxin WU, Liping WU, Man ZHANG, Hairui YANG, Junfu LYU

Frontiers in Energy 2020, Volume 14, Issue 4,   Pages 715-725 doi: 10.1007/s11708-020-0690-3

Abstract: The natural circulation water dynamics with a drum was adopted instead of the traditional once-through

Keywords： drum steam injection boiler     natural circulation     recovery wastewater     staged evaporation     circulating fluidized    

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A Theoretical Summary and Mathematics Expression on the Regulation of Life in Meridian (Jing-Iuo) Science

Zhang Renxiang,Zhang Renji

Strategic Study of CAE 2005, Volume 7, Issue 4,   Pages 42-46

Abstract: Meridian Science has been established as a new branch of natural science to advance and promote the study

Keywords： Chinese natural comprehension     meridian science     principal of bi-way transforming modulation in symmetryand asymmetry     diagram of 4D meridian circulation     efficiency of meridian linking up    

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Study on Enterprise Development Strategy Innovation Based on Circulation Economy

Wang Xiaobin,Wang Xuejun

Strategic Study of CAE 2006, Volume 8, Issue 6,   Pages 89-91

Abstract:

Circulation economy is a new mode of economic development, and is an effective approach for new industrialization

Keywords： resource     circulation economy     innovation     enterprise    

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Simulation analysis of methanol flash distillation circulation process in biodiesel production with supercritical

Zhengjiao TANG, Cunwen WANG, Weiguo WANG, Jia GUO, Yuanxin WU, Jinfang CHEN, Yigang DING

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 93-97 doi: 10.1007/s11708-010-0028-7

Abstract: High methanol-to-oil ratio is required to obtain a high conversion of oil for the production of biodiesel with supercritical methanol. Recovering the methanol of a stream issuing from a transesterification supercritical reactor by flash distillation instead of evaporation was analyzed. The one-stage and two-stage flash distillation processes were presented and compared. The difference of the recovery percentage of methanol of the above two flash processes is less than 0.5% and the methanol concentration in the vapor for the one-stage process decreases rapidly when feed temperature increases. The process in which the product of transesterification of soybean oil with supercritical methanol is cooled to an appropriate temperature (about 240°C) first and then flashed was put forward. The effect of cooling temperature, feed pressure and flash pressure on methanol concentration and recovery percentage was investigated. According to this study, when the feed pressure range is 15–30 MPa, the flash pressure equals 0.4 MPa, and cooling temperature range is 240°C–250°C, the recovery percentage of methanol is not less than 85%, and the concentration of the vapor in mass fraction of methanol is approximately 99%. Thus, the vapor leaving the flash tank can be directly circulated to the transesterification reactor.

Keywords： supercritical methanol     biodiesel     recovery     flash distillation    

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Countermeasures for the Development of China’s Food Nutrition and Health Industry in the Context of Dual Circulation

Liu Zelong, Li Jian,Wang Jing, Sun Baoguo

Strategic Study of CAE 2022, Volume 24, Issue 6,   Pages 72-80 doi: 10.15302/J-SSCAE-2022.06.007

Abstract: health industry is an important component of the Healthy China strategy in the context of dual circulationestablishing a food technology system based on Chinese resident health information in the context of domestic circulation, promoting domestic and international circulation through industrial diversification, and improving

Keywords： food nutrition and health     industrial development     dual circulation     industrial diversification    

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Research on the theory and application of adsorbed natural gas used in new energy vehicles: A review

Zhengwei NIE,Yuyi LIN,Xiaoyi JIN

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 3,   Pages 258-274 doi: 10.1007/s11465-016-0381-2

Abstract:

Natural gas, whose primary constituent is methane, has been considered a convincing alternative forAdsorbed natural gas (ANG), the most promising methane storage method, has been an active field of studyANG constitutes a safe and low-cost way to store methane for natural gas vehicles at an acceptable energy

Keywords： adsorbed natural gas (ANG)     adsorbent     adsorption theory     conformable tank     natural gas vehicles (NGVs)    

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Optimization of cold end system of steam turbine

ZHAO Bin, LIU Ling, ZHANG Wenbing

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 348-353 doi: 10.1007/s11708-008-0036-z

Abstract: end system of the steam turbine was conducted from an overall consideration of the condenser and the circulation

Keywords： circulation     characteristic     analysis     optimization     condenser    

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Effects of natural zeolite and sulfate ions on the mechanical properties and microstructure of plastic

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 1,   Pages 86-98 doi: 10.1007/s11709-021-0793-x

Abstract: Natural zeolite (NZ) is a relatively abundant mineral resource and in this research, the microstructure

Keywords： plastic concrete     sulfate resistance     natural zeolite     triaxial compression test     SEM     permeability    

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A review on technologies with electricity generation potentials using liquified natural gas regasification

Frontiers in Energy 2023, Volume 17, Issue 3,   Pages 332-379 doi: 10.1007/s11708-023-0863-y

Abstract: In such scenarios, the effective and efficient utilization of the liquified natural gas (LNG) regasification

Keywords： liquified natural gas     cold energy     power generation    

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Accelerating the construction of natural gas system engineering in green smart cities

Xinhua MA

Frontiers of Engineering Management 2019, Volume 6, Issue 3,   Pages 453-456 doi: 10.1007/s42524-019-0046-z

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New nanostructured sorbents for desulfurization of natural gas

Lifeng WANG, Ralph T. YANG

Frontiers of Chemical Science and Engineering 2014, Volume 8, Issue 1,   Pages 8-19 doi: 10.1007/s11705-014-1411-4

Abstract: Desulfurization of natural gas is achieved commercially by absorption with liquid amine solutions.

Keywords： desulfurization     natural gas desulfurization     hydrogen sulfide sorbent     amine-silica sorbent    

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Dehydration of natural gas and biogas streams using solid desiccants: a review

Soheil Bahraminia, Mansoor Anbia, Esmat Koohsaryan

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 5,   Pages 1050-1074 doi: 10.1007/s11705-020-2025-7

Abstract: Natural gas and biogas are two mixtures that consist of methane as their main component.

Keywords： natural gas     biogas     dehydration     adsorption     solid desiccant    

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Title Author Date Type Operation

Simulation of flow excursion and thermal siphon under natural circulation condition with lower pressure

WANG Jianjun, YANG Xingtuan, JIANG Shengyao

Journal Article

A perspective of “Nuclear Hot Spring” for long-term sustainable economy of the world

Yingzhong LU

Journal Article

National Food Security Strategy Against the Backdrop of Domestic and International Dual Circulation

Yan Yan , Wang Xiudong , Wang Jimin , Mei Xurong ,Tang Huajun , Wu Kongming

Journal Article

Design and application of a novel coal-fired drum boiler using saline water in heavy oil recovery

Junping GU, Yuxin WU, Liping WU, Man ZHANG, Hairui YANG, Junfu LYU

Journal Article

A Theoretical Summary and Mathematics Expression on the Regulation of Life in Meridian (Jing-Iuo) Science

Zhang Renxiang,Zhang Renji

Journal Article

Study on Enterprise Development Strategy Innovation Based on Circulation Economy

Wang Xiaobin,Wang Xuejun

Journal Article

Simulation analysis of methanol flash distillation circulation process in biodiesel production with supercritical

Zhengjiao TANG, Cunwen WANG, Weiguo WANG, Jia GUO, Yuanxin WU, Jinfang CHEN, Yigang DING

Journal Article

Countermeasures for the Development of China’s Food Nutrition and Health Industry in the Context of Dual Circulation

Liu Zelong, Li Jian,Wang Jing, Sun Baoguo

Journal Article

Research on the theory and application of adsorbed natural gas used in new energy vehicles: A review

Zhengwei NIE,Yuyi LIN,Xiaoyi JIN

Journal Article

Optimization of cold end system of steam turbine

ZHAO Bin, LIU Ling, ZHANG Wenbing

Journal Article

Effects of natural zeolite and sulfate ions on the mechanical properties and microstructure of plastic

Journal Article

A review on technologies with electricity generation potentials using liquified natural gas regasification

Journal Article

Accelerating the construction of natural gas system engineering in green smart cities

Xinhua MA

Journal Article

New nanostructured sorbents for desulfurization of natural gas

Lifeng WANG, Ralph T. YANG

Journal Article

Dehydration of natural gas and biogas streams using solid desiccants: a review

Soheil Bahraminia, Mansoor Anbia, Esmat Koohsaryan

Journal Article