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Effect of soil crust on evaporation and dew deposition in Mu Us sandy land, China

SUN Yongliang, LI Xiaoyan, XU Heye, YANG Zhipeng, TANG Jia, ZHANG Xiaoying

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 4,   Pages 480-486 doi: 10.1007/s11783-008-0034-8

Abstract: The development of soil crust on sandy land may affect the surface hydrological process.dominated by sand, primitive biotic crust, and advanced biotic crust, respectively, in the south fringe of MuUs sandy land in Northwest China from July to September of 2006.development of biotic crust may potentially enhance the hydrological circulation in the upper sand layer in sandyland.
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and Method of Modern Agricultural Two-Dimension Optimization Engineering Experiment: A Case Study of MuUs Sandy Land

Wang Yongsheng, Li Yuheng , Liu Yansui

Strategic Study of CAE 2019, Volume 21, Issue 2,   Pages 48-54 doi: 10.15302/J-SSCAE-2019.02.017

Abstract: This study intends to address the issues of sandy land consolidation and sustainable use in Mu Us SandyLand area.Soil reconstruction with natural red clay or loess is an economical and ecological method for sandy land, including sandy land structuralization consolidation, crop varieties optimized selection, and waterSandy soil oriented consolidation will provide scientific supporting for degraded land consolidation

Keywords： land consolidation     modern agriculture     soil reconstruction     crop optimized selection     Mu Us Sandy Land    

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Driving mechanisms of desertification process in the Horqin Sandy Land-a case study in Zhalute Banner

TANG Haiping, CHEN Yufu, LI Xinyu

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 4,   Pages 487-493 doi: 10.1007/s11783-008-0061-5

Abstract: inter-annual variations of temperature and precipitation; TM remote sensing data was extracted to obtain the sandyland area; linear regression analysis was used to analyze climate changes and the socio-economic evolutionBetween 1988 and 1997, the sandy land area increased by 12.5%, nearly 2.4 times in the farming sectioncropland expansion and the rising populations of humans and their livestock, which has affected the land
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Climate change and sandy land development in Qinghai Lake Watershed, China

SUN Yongliang, LI Xiaoyan, LIU Lianyou, XU Heye, ZHANG Dengshan

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 3,   Pages 340-348 doi: 10.1007/s11783-008-0045-5

Abstract: Lake Watershed, containing the largest saline lake in northwest of China, has suffered from severe sandyland development in recent years.land through the interpretation of remote sensing images covering four years (1977, 1987, 2000, andAs a result, the sandy land was mainly born on the east bank of Qinghai Lake.The total sandy land area in the watershed had grown from 587.4 km, 660.7 km, 697.6 km to 805.8 km, accordingly
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Application History and Enlightenment of Very Small Modular Reactor for Land Battlefield Energy Supply

Chen Rongjiang

Strategic Study of CAE 2020, Volume 22, Issue 1,   Pages 146-152 doi: 10.15302/J-SSCAE-2020.01.019

Abstract: Very small modular reactors (vSMRs) have become the focus of attention due to its great potential in landconsumption, resupply difficulties, high costs and risks in the Iraqi and Afghan battlefields have led the USThis article starts with the historical process of the US Army’s development of vSMRs, and introduces

Keywords： reactor     very small modular     land battlefeld     energy supply     apply history     US Army    

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Investigation of the seismic behavior of grouted sandy gravel foundations using shaking table tests

Tiancheng WANG; Yu LIANG; Xiaoyong ZHANG; Zhihuan RUAN; Guoxiong MEI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 9,   Pages 1196-1211 doi: 10.1007/s11709-022-0865-6

Abstract: Sandy gravel foundations exhibit non-linear dynamic behavior when subjected to strong ground motions,Grouting methods can be used to improve the seismic performance of natural sandy gravel foundations.The strength and stiffness of grouted sandy gravel foundations are different from those of natural foundationsFew studies have investigated the seismic behavior of sandy gravel foundations before and after groutingamplification effect, lateral displacement, and vertical settlement of the non-grouted and grouted sandy

Keywords： sandy gravel foundation     grouting-treated reinforcement     shaking table test     seismic behavior    

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Causality relationship between the photovoltaic market and its manufacturing in China, Germany, the US

Molin HUO, Xiliang ZHANG, Jiankun HE

Frontiers in Energy 2011, Volume 5, Issue 1,   Pages 43-48 doi: 10.1007/s11708-010-0135-5

Abstract: between the photovoltaic (PV) market scale and PV manufacturing development in China, Germany, the USMoreover, there were bidirectional causalities between them in Germany and in the US, respectively, suggesting

Keywords： photovoltaic     innovation     demand pull     scale economies     granger causality    

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Reflections on the system of evaluation of gene-edited livestock

Ziyao FAN, Tianwen WU, Kui WU, Yulian MU, Kui LI

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 2,   Pages 211-217 doi: 10.15302/J-FASE-2019303

Abstract:

The rapid development of biotechnology has provided a greater understanding of the biological functions of major candidate genes that have important functions regarding economic traits, and new materials for livestock breeding have been obtained through gene editing (GE) and embryo manipulation with the purpose of improving quality and output and reducing the costs and risk of disease. Public concerns, particularly over safety risks and production performance, must be addressed. Evaluation is the most important component of the regulation of gene-edited livestock and is a crucial guarantee of public safety before the marketing of gene-edited animal products. Here, the system of evaluation of gene-edited livestock is discussed in terms of public safety and production performance. The search for safe and ethical applications in the GE of livestock, a case-by-case evaluation strategy, and classification and simplification are used in order to promote a more efficient, objective, comprehensive and operable evaluation system.

Keywords： evaluation     gene editing     livestock     performance     safety    

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Effects of the US withdrawal from Paris Agreement on the carbon emission space and cost of China and

Hancheng DAI, Yang XIE, Haibin ZHANG, Zhongjue YU, Wentao WANG

Frontiers in Energy 2018, Volume 12, Issue 3,   Pages 362-375 doi: 10.1007/s11708-018-0574-y

Abstract: However, after Trump took office as president of the United States (US), the US withdrew from the ParisIn 2030, under the 2°C target, the carbon price will increase by US$14.3 to US$45.3/t in China and byUS$10.7 to US$33.9/t in India.to US$17.4 to US$54.2/capita), and that of India would rise by US$14.2 to US$43.1 billion (equivalentto US$9.3 to US$28.2/capita).

Keywords： Paris Agreement     China and India     the US withdrawal     carbon emission space     mitigation cost    

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generation of competent Chinese physicians: a perspective from a physician trained in both Chinese and US

Zongyu John CHEN,

Frontiers of Medicine 2010, Volume 4, Issue 4,   Pages 473-476 doi: 10.1007/s11684-010-0290-4

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Model test of stone columns as liquefaction countermeasure in sandy soils

Mengfei QU,Qiang XIE,Xinwen CAO,Wen ZHAO,Jianjun HE,Jiang JIN

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 4,   Pages 481-487 doi: 10.1007/s11709-016-0355-9

Abstract: The shaking table model test was conducted to investigate earthquake resistant behavior of stone columns under the intensity of an earthquake resistance of buildings is VIII. The test results show that when acceleration is less than 0.20 g, composite foundation is not liquefied, settlement is also small and pile dislocation is not observed; when acceleration is 0.3g, ground outside embankment’s slope toe is liquefied and ground within stone column composite foundation is not. It is suggesting that reinforcement scale of stone column foundation should be widened properly. The designed stone column composite foundation meets the requirements for seismic resistance.

Keywords： stone column composite foundation     seismic liquefaction     shaking table test    

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Exploring differentiated improvement strategies of cultivated land quality in China

Frontiers of Agricultural Science and Engineering doi: 10.15302/J-FASE-2023523

Abstract:

● Cultivated land quality can be considered in four dimensions: suitability

Keywords： China     cultivated land quality     differentiated improvement     food security    

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A preliminary analysis and discussion of the condominium building collapse in surfside, Florida, US,

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1097-1110 doi: 10.1007/s11709-021-0766-0

Abstract: On June 24, 2021, a 40-year-old reinforced concrete flat plate structure building in Miami suffered a sudden partial collapse. This study analyzed the overall performance and key components of the collapsed building based on the building design codes (ACI-318 and GB 50010). Punching shear and post-punching performances of typical slab-column joints are also studied through the refined finite element analysis. The collapse process was simulated and visualized using a physics engine. By way of these analyses, weak design points of the collapsed building are highlighted. The differences between the reinforcement detailing of the collapsed building and the requirements of the current Chinese code are discussed, together with a comparison of the punching shear and post-punching performances. The simulated collapse procedure and debris distribution are compared with the actual collapse scenes.

Keywords： progressive collapse     flat plate     simulation     punching    

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Research and application of construction slurry of shield tunnel under water-rich sandy gravel stratum

Deng Hengyi,Xu Xueying,Chen Mingjuan

Strategic Study of CAE 2010, Volume 12, Issue 12,   Pages 79-82

Abstract: Beijing railway station to Beijing railway west station, the optimum slurry ratio in the condition of sandy

Keywords： slurry shield     sandy gravel stratum     proportion of slurry    

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Accelerated life-time test of MEA durability under vehicle operating conditions in PEM fuel cell

Tian TIAN, Jianjun TANG, Wei GUO, Mu PAN

Frontiers in Energy 2017, Volume 11, Issue 3,   Pages 326-333 doi: 10.1007/s11708-017-0489-z

Abstract: In this paper, a novel accelerated test method was proposed to analyze the durability of MEA, considering the actual operation of the fuel cell vehicle. The proposed method includes 7 working conditions: open circuit voltage (OCV), idling, rated output, overload, idling-rated cycle, idling-overload cycle, and OCV-idling cycle. The experimental results indicate that the proposed method can effectively destroy the MEA in a short time (165 h). Moreover, the degradation mechanism of MEA was analyzed by measuring the polarization curve, CV, SEM and TEM. This paper may provide a new research direction for improving the durability of fuel cell.

Keywords： polymer electrolyte membrane fuel cell     accelerated life-time test     load cycling test     durability    

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Title Author Date Type Operation

Effect of soil crust on evaporation and dew deposition in Mu Us sandy land, China

SUN Yongliang, LI Xiaoyan, XU Heye, YANG Zhipeng, TANG Jia, ZHANG Xiaoying

Journal Article

and Method of Modern Agricultural Two-Dimension Optimization Engineering Experiment: A Case Study of MuUs Sandy Land

Wang Yongsheng, Li Yuheng , Liu Yansui

Journal Article

Driving mechanisms of desertification process in the Horqin Sandy Land-a case study in Zhalute Banner

TANG Haiping, CHEN Yufu, LI Xinyu

Journal Article

Climate change and sandy land development in Qinghai Lake Watershed, China

SUN Yongliang, LI Xiaoyan, LIU Lianyou, XU Heye, ZHANG Dengshan

Journal Article

Application History and Enlightenment of Very Small Modular Reactor for Land Battlefield Energy Supply

Chen Rongjiang

Journal Article

Investigation of the seismic behavior of grouted sandy gravel foundations using shaking table tests

Tiancheng WANG; Yu LIANG; Xiaoyong ZHANG; Zhihuan RUAN; Guoxiong MEI

Journal Article

Causality relationship between the photovoltaic market and its manufacturing in China, Germany, the US

Molin HUO, Xiliang ZHANG, Jiankun HE

Journal Article

Reflections on the system of evaluation of gene-edited livestock

Ziyao FAN, Tianwen WU, Kui WU, Yulian MU, Kui LI

Journal Article

Effects of the US withdrawal from Paris Agreement on the carbon emission space and cost of China and

Hancheng DAI, Yang XIE, Haibin ZHANG, Zhongjue YU, Wentao WANG

Journal Article

generation of competent Chinese physicians: a perspective from a physician trained in both Chinese and US

Zongyu John CHEN,

Journal Article

Model test of stone columns as liquefaction countermeasure in sandy soils

Mengfei QU,Qiang XIE,Xinwen CAO,Wen ZHAO,Jianjun HE,Jiang JIN

Journal Article

Exploring differentiated improvement strategies of cultivated land quality in China

Journal Article

A preliminary analysis and discussion of the condominium building collapse in surfside, Florida, US,

Journal Article

Research and application of construction slurry of shield tunnel under water-rich sandy gravel stratum

Deng Hengyi,Xu Xueying,Chen Mingjuan

Journal Article

Accelerated life-time test of MEA durability under vehicle operating conditions in PEM fuel cell

Tian TIAN, Jianjun TANG, Wei GUO, Mu PAN

Journal Article