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Agricultural Resource Balance and International Import Potential of China by 2050

Zheng Haixia, You Fei, Luo Qiyou, Tang Huajun

Strategic Study of CAE 2022, Volume 24, Issue 1,   Pages 20-28 doi: 10.15302/J-SSCAE-2022.01.003

Abstract:

The balance of supply and demand for agricultural resources in Chinais becoming increasingly tight due to the multiple effects of high-quality agricultural production, transformationBased on a comparative analysis of agricultural resources in China and abroad, we investigate food consumptionThe agricultural resource utilization targets for China by 2035 and 2050 are proposed based on an analysisof the agricultural resource supply-demand gap as well as import potentials and sources of virtual water

Keywords： agricultural resource balance     food consumption structure     virtual water     virtual arable land     import    

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Hybrid genetic algorithm for bi-objective resource-constrained project scheduling

Fikri KUCUKSAYACIGIL, Gündüz ULUSOY

Frontiers of Engineering Management 2020, Volume 7, Issue 3,   Pages 426-446 doi: 10.1007/s42524-020-0100-x

Abstract: In this study, we considered a bi-objective, multi-project, multi-mode resource-constrained project schedulingFurther analysis was performed by employing cash balance, which was another financial performance measure

Keywords： backward–forward scheduling     hybrid bi-objective genetic algorithm     injection procedure     maximum cash balance     multi-objective multi-project multi-mode resource-constrained project scheduling problem    

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Study on Strategies for the Sustainable Development of China’s Agricultural Resources and Environment

Li Wenhua1,Cheng Shengkui,Mei Xurong,Liu Moucheng and Hong Chuanchun

Strategic Study of CAE 2016, Volume 18, Issue 1,   Pages 56-64 doi: 10.15302/J-SSCAE-2016.01.008

Abstract:

Food security is based on the agricultural resources and environment.At present, China's agricultural resources and environment have been faced with three problems.and the quality reduction and spatial pattern changes of cultivated land, China's cultivated land resourceSecond, the contradiction between "the increasing grain demand and the decreasing water resourceThird, the agricultural eco-environment has deteriorated and the service function of the agricultural

Keywords： cultivated land resource     water resource     agricultural resource and eco-environment     ecosystem services    

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Strategic Issues of Monitoring and Information Services of Agricultural Water and Land Resources in China

Zha Yan, Wu Wenbin, Yu Qiangyi, Liang Shefang, Lu Miao, Qian Jianping, Tang Huajun

Strategic Study of CAE 2022, Volume 24, Issue 1,   Pages 64-72 doi: 10.15302/J-SSCAE-2022.01.008

Abstract: water and land resources are crucial for national food, ecological, and resource security.Moreover, we analyze the technological routes for agricultural water and land resource monitoring inresource monitoring, (4) deepening the interaction of government, industry, universities, research institutes, and users of agricultural resources, and (5) promoting high-level talent training.and land resource monitoring in China.

Keywords： agricultural water resource，land resource，resource monitoring，information services，satellite     aerial    

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Analysis and evaluation on agricultural biomass resources

Tian Yishui,Zhao Lixin,Sun Liying,Meng Haibo

Strategic Study of CAE 2011, Volume 13, Issue 2,   Pages 24-28

Abstract:

Through comprehensive analysis and evaluation on resource gross, utilizationand distributing of China's agricultural biomass in this paper, it is showed that China has abundantagricultural biomass resources which mainly include crop straw and manure, and it will be the future

Keywords： agricultural biomass     resource     analysis     evaluation    

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Estimation and Realization Path of Agricultural Resource Values in Fujian Province

Yi Xiaoyan, Huang Xianlei, Yin Changbin, Wang Heng

Strategic Study of CAE 2019, Volume 21, Issue 5,   Pages 137-143 doi: 10.15302/J-SSCAE-2019.05.005

Abstract:

The values of agricultural resources include the economic value fromagricultural production and their ecological service value.brands; integration of agricultural production, agricultural product processing, and agricultural marketbe increased, pollution-free agricultural products and agricultural products with geographical indicationsshould be promoted, agricultural industry integration should be advanced, the agricultural ecological

Keywords： agricultural resources     value estimation     realization path     Fujian Province    

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Sustainable Resource Use in Enhancing Agricultural Development in China

Jianbo Shen,Fusuo Zhang,Kadambot H.M. Siddique

Engineering 2018, Volume 4, Issue 5,   Pages 588-589 doi: 10.1016/j.eng.2018.08.007

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Simulation of bubble column reactors using CFD coupled with a population balance model

Tiefeng WANG

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 2,   Pages 162-172 doi: 10.1007/s11705-009-0267-5

Abstract: The population balance model (PBM) is an effective approach to predict the bubble size distribution,

Keywords： bubble column     computational fluid dynamics     bubble breakup and coalescence     population balance model     bubble    

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Gut microbial balance and liver transplantation: alteration, management, and prediction

Xinyao Tian, Zhe Yang, Fangzhou Luo, Shusen Zheng

Frontiers of Medicine 2018, Volume 12, Issue 2,   Pages 123-129 doi: 10.1007/s11684-017-0563-2

Abstract:

Liver transplantation is a conventional treatment for terminal stage liver diseases. However, several complications still hinder the survival rate. Intestinal barrier destruction is widely observed among patients receiving liver transplant and suffering from ischemia–reperfusion or rejection injuries because of the relationship between the intestine and the liver, both in anatomy and function. Importantly, the resulting alteration of gut microbiota aggravates graft dysfunctions during the process. This article reviews the research progress for gut microbial alterations and liver transplantation. Especially, this work also evaluates research on the management of gut microbial alteration and the prediction of possible injuries utilizing microbial alteration during liver transplantation. In addition, we propose possible directions for research on gut microbial alteration during liver transplantation and offer a hypothesis on the utilization of microbial alteration in liver transplantation. The aim is not only to predict perioperative injuries but also to function as a method of treatment or even inhibit the rejection of liver transplantation.

Keywords： gut microbial balance     liver transplantation     ischemia–reperfusion     acute rejection    

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Nonlinear sealing force of a seawater balance valve used in an 11000-meter manned submersible

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 1, doi: 10.1007/s11465-022-0726-y

Abstract: Balance valve is a core component of the 11000-meter manned submersible “struggle,” and its sealing performanceFinally, the minimum sealing force equation is applied in a balance valve to be experimented using aThe balance valve designed through the minimum sealing force equation is leak-free in the experiment.Thus, the minimum sealing force equation is suitable for the ultrahigh pressure balance valve and hasguiding significance for evaluating the sealing performance of ultrahigh pressure balance valves.

Keywords： seawater balance valve     sealing performance     hybrid ANE model     FEM     minimum sealing force equation    

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Strategic Research on Sustainable Development of Water Resource in China

Resource in China in 21st Century"> Project Group of "Strategic Research on Sustainable Development of Water Resource in China in 21st Century

Strategic Study of CAE 2000, Volume 2, Issue 8,   Pages 1-17

Abstract: 1 700 m3 will be considered to be short of water resource.The water resource in future is seriously sufficient.sup>8 m3 in 1949 to 5 566 × 108 m3 in 1997, among which agriculturalThe general strategy of water resource in China must be the sustainable utilization of water resourceproposed in this report that strategic shifting be implemented on aspects of flood and disaster prevention;agricultural

Keywords： water resource     flood and disaster prevention     agricultural water consumption     water consumption in cities    

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Quantitative analysis of yield and soil water balance for summer maize on the piedmont of the North China

Jingjing WANG,Feng HUANG,Baoguo LI

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 4,   Pages 295-310 doi: 10.15302/J-FASE-2015074

Abstract: The North China Plain (NCP) is a major grain production area in China, but the current winter wheat-summer maize system has resulted in a large water deficit. This water-shortage necessitates the improvement of crop water productivity in the NCP. A crop water model, AquaCrop, was adopted to investigate yield and water productivity (WP) for rain-fed summer maize on the piedmont of the NCP. The data sets to calibrate and validate the model were obtained from a 3-year (2011–2013) field experiment conducted on the Yanshan piedmont of the NCP. The range of root mean square error (RMSE) between the simulated and measured biomass was 0.67–1.25 t·hm , and that of relative error (RE) was 9.4%–15.4%, the coefficient of determination ( ) ranged from 0.992 to 0.994. The RMSE between the simulated and measured soil water storage at depth of 0–100 cm ranged from 4.09 to 4.39 mm; and RE and in the range of 1.07%–1.20% and 0.880–0.997, respectively. The WP as measured by crop yield per unit evapotranspiration was 2.50–2.66 kg·m . The simulated impact of long-term climate (i.e., 1980–2010) and groundwater depth on crop yield and WP revealed that the higher yield and WP could be obtained in dry years in areas with capillary recharge from groundwater, and much lower values elsewhere. The simulation also suggested that supplementary irrigation in areas without capillary groundwater would not result in groundwater over-tapping since the precipitation can meet the water required by both maize and ecosystem, thus a beneficial outcome for both food and ecosystem security can be assured.

Keywords： AquaCrop     summer maize     soil water balance     water productivity    

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Mass and heat balance calculations and economic evaluation of an innovative biomass pyrolysis project

Quanyuan WEI, Yongshui QU, Tianwei TAN

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 355-361 doi: 10.1007/s11705-010-0567-9

Abstract: Based on the data from a straw pyrolysis demonstration project, the mass and heat balance of the biomass

Keywords： mass balance     heat balance     biomass pyrolysis     economic benefit    

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Flow and mass balance analysis of eco-bio infiltration system

Marla C. MANIQUIZ, Lee-Hyung KIM, Soyoung LEE, Jiyeon CHOI

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 5,   Pages 612-619 doi: 10.1007/s11783-012-0448-1

Abstract: A structured stormwater infiltration system was developed and constructed at a university campus and monitoring of storm events was performed during a one-year operation period. The flow and pollutant mass balances were analyzed and the overall efficiency of the system was assessed. While significant positive correlations were observed among rainfall, runoff and discharge volume ( = 0.93-0.99; <0.05), there was no significant correlations existed between rainfall, runoff, discharge volume and pollutant load. The system was more effective in reducing the runoff volume by more than 50% for small storm events but the difference between the runoff and discharge volume was significant even with rainfall greater than 10 mm. Results showed that the pollutant reduction rates were higher compared to the runoff volume reduction. Average pollutant reduction rates were in the range of 72% to 90% with coefficient of variation between 0.10 and 0.46. Comparable with runoff reduction, the system was more effective in reducing the pollutant load for small storm events, in the range of 80% to 100% for rainfall between 0 and 10 mm; while 65% to 80% for rainfall between 10 and 20 mm. Among the pollutant parameters, particulate matters was highly reduced by the system achieving only a maximum of 25% discharge load even after the entire runoff was completely discharged. The findings have proven the capability of the system as a tool in stormwater management achieving both flow reduction and water quality improvement.

Keywords： best management practice     flow balance     low impact development     mass balance     nonpoint source     stormwater    

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Deviation correction strategy for the earth pressure balance shield based on shield–soil interactions

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0676-4

Abstract: approach for the deviation correction trajectory and posture rectification load for an earth pressure balance

Keywords： additional position change     deviation correction trajectory     earth pressure balance shield     mechanical    

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Title Author Date Type Operation

Agricultural Resource Balance and International Import Potential of China by 2050

Zheng Haixia, You Fei, Luo Qiyou, Tang Huajun

Journal Article

Hybrid genetic algorithm for bi-objective resource-constrained project scheduling

Fikri KUCUKSAYACIGIL, Gündüz ULUSOY

Journal Article

Study on Strategies for the Sustainable Development of China’s Agricultural Resources and Environment

Li Wenhua1,Cheng Shengkui,Mei Xurong,Liu Moucheng and Hong Chuanchun

Journal Article

Strategic Issues of Monitoring and Information Services of Agricultural Water and Land Resources in China

Zha Yan, Wu Wenbin, Yu Qiangyi, Liang Shefang, Lu Miao, Qian Jianping, Tang Huajun

Journal Article

Analysis and evaluation on agricultural biomass resources

Tian Yishui,Zhao Lixin,Sun Liying,Meng Haibo

Journal Article

Estimation and Realization Path of Agricultural Resource Values in Fujian Province

Yi Xiaoyan, Huang Xianlei, Yin Changbin, Wang Heng

Journal Article

Sustainable Resource Use in Enhancing Agricultural Development in China

Jianbo Shen,Fusuo Zhang,Kadambot H.M. Siddique

Journal Article

Simulation of bubble column reactors using CFD coupled with a population balance model

Tiefeng WANG

Journal Article

Gut microbial balance and liver transplantation: alteration, management, and prediction

Xinyao Tian, Zhe Yang, Fangzhou Luo, Shusen Zheng

Journal Article

Nonlinear sealing force of a seawater balance valve used in an 11000-meter manned submersible

Journal Article

Strategic Research on Sustainable Development of Water Resource in China

Project Group of "Strategic Research on Sustainable Development of Water Resource in China in 21st Century

Journal Article

Quantitative analysis of yield and soil water balance for summer maize on the piedmont of the North China

Jingjing WANG,Feng HUANG,Baoguo LI

Journal Article

Mass and heat balance calculations and economic evaluation of an innovative biomass pyrolysis project

Quanyuan WEI, Yongshui QU, Tianwei TAN

Journal Article

Flow and mass balance analysis of eco-bio infiltration system

Marla C. MANIQUIZ, Lee-Hyung KIM, Soyoung LEE, Jiyeon CHOI

Journal Article

Deviation correction strategy for the earth pressure balance shield based on shield–soil interactions

Journal Article