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STRATEGIES FOR A LOW-CARBON FOOD SYSTEM IN CHINA

《农业科学与工程前沿（英文）》 2023年 第10卷 第2期   页码 167-182 doi: 10.15302/J-FASE-2023494

摘要：

● A provincial stage-specific greenhouse gas (GHG) accounting model for the Chinese food system was developed.

关键词： greenhouse gas emissions     food system     life cycle assessment     environmental input-output analysis     mitigation strategies    

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AGRICULTURAL GREEN DEVELOPMENT TO ACHIEVE FOOD SECURITY AND CARBON REDUCTION IN THE CONTEXT OF CHINA’S DUAL CARBON GOALS

《农业科学与工程前沿（英文）》 2023年 第10卷 第2期   页码 262-267 doi: 10.15302/J-FASE-2023496

摘要：

● To achieve food security, Chinese agriculture– food system could not achieve C neutrality.

关键词： agriculture     carbon neutrality     carbon peak     food security     carbon mitigation strategies    

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Risk Identification and Mitigation Strategies for Deepwater Oilfields Development

Bao-quan Yang,Li Yang,Fan-jie Shang,Xin Zhang,Chen-xi Li

《工程管理前沿（英文）》 2016年 第3卷 第4期   页码 356-361 doi: 10.15302/J-FEM-2016057

摘要： Deepwater oilfields will become main sources of the world’s oil and gas production. It is characterized with high technology, huge investment, long duration, high risk and high profit. It is a huge system project, including exploration and appraising, field development plan (FDP) design, implementation, reservoir management and optimization. Actually, limited data, international environment and oil price will cause much uncertainty for FDP design and production management. Any unreasonable decision will cause huge loss. Thus, risk foreseeing and mitigation strategies become more important. This paper takes AKPO and EGINA as examples to analyze the main uncertainties, proposes mitigation strategies, and provides valuable experiences for the other deepwater oilfields development.

关键词： deepwater oilfield     field development plan     implementation     reservoir management     risk identification     mitigation strategies    

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USING NUTRITIONAL STRATEGIES TO MITIGATE RUMINAL METHANE EMISSIONS FROM RUMINANTS

《农业科学与工程前沿（英文）》 2023年 第10卷 第3期   页码 390-402 doi: 10.15302/J-FASE-2023504

摘要：

● Microbial fermentation in the rumen is a main source of methane emissions.

关键词： nutritional strategy     mitigation     microbe     methane     ruminant    

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Fire hazard in transportation infrastructure: Review, assessment, and mitigation strategies

Venkatesh KODUR, M. Z. NASER

《结构与土木工程前沿（英文）》 2021年 第15卷 第1期   页码 46-60 doi: 10.1007/s11709-020-0676-6

摘要： This paper reviews the fire problem in critical transportation infrastructures such as bridges and tunnels. The magnitude of the fire problem is illustrated, and the recent increase in fire problems in bridges and tunnels is highlighted. Recent research undertaken to address fire problems in transportation structures is reviewed, as well as critical factors governing the performance of those structures. Furthermore, key strategies recommended for mitigating fire hazards in bridges and tunnels are presented, and their applicability to practical situations is demonstrated through a practical case study. Furthermore, research needs and emerging trends for enhancing the “state-of-the-art” in this area are discussed.

关键词： fire hazard     bridges     tunnels     fire resistance     mitigation strategies     transportation infrastructure    

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Mitigation strategies for soil acidification based on optimal nitrogen management REVIEW

《农业科学与工程前沿（英文）》 2024年 第11卷 第2期   页码 229-242 doi: 10.15302/J-FASE-2024562

摘要：

Soil acidification is a serious constraint to food production worldwide. This review explores its primary causes, with a focus on the role of nitrogen fertilizer, and suggests mitigation strategies based on optimal N management. Natural acidification is determined by the leaching of weak acid mainly caused by climate and soil conditions, whereas the use of ammonium-based fertilizers, nitrate leaching and removal of base cations (BCs) by crop harvesting mostly accounts for anthropogenic acidification. In addition, low soil acid buffering capacity, mainly determined by soil parent materials and soil organic matter content, also accelerates acidification. This study proposes targeted mitigation strategies for different stages of soil acidification, which include monitoring soil carbonate content and pH of soils with pH > 6.5 (e.g., calcareous soil), use of alkaline amendments for strongly acidic soils (pH < 5.5) with aluminum toxicity risk to pH between 5.5 and 6.5, and decreasing acidification rates and supplementing BCs to maintain this optimal pH range, especially for soils with low acid buffering capacity. Effective mitigation involves optimizing the rate and form of N fertilizers used, regulating N transformation processes, and establishing an integrated soil–crop management system that balances acid production and soil buffering capacity.

关键词： Soil acidification     nutrient management     nitrogen     soil buffering capacity    

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GREENHOUSE GAS EMISSIONS FROM LIVESTOCK IN CHINA AND MITIGATION OPTIONS WITHIN THE CONTEXT OF CARBON

《农业科学与工程前沿（英文）》 2023年 第10卷 第2期   页码 226-233 doi: 10.15302/J-FASE-2023486

摘要：

● Livestock is major greenhouse gas source in agriculture in China.

关键词： animal husbandry     emission reduction solutions     feed improvement     greenhouse gases emission     manure management    

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现代混凝土收缩开裂的评估方法与控制关键技术 Article

刘加平, 田倩, 王育江, 李华, 徐文

《工程（英文）》 2021年 第7卷 第3期   页码 348-357 doi: 10.1016/j.eng.2021.01.006

摘要：

现代混凝土组成日趋复杂、收缩加大、结构约束增强，导致收缩开裂问题突出，严重影响构筑物的服役性能和使用寿命。本文以胶凝材料体系水化程度作为材料与环境温湿度交互作用的基本状态变量，提出了复杂胶凝材料体系水化反应活化能的计算方法，建立了水化-温度-湿度-约束耦合作用模型，实现了多种收缩的耦合计算和开裂风险的量化评估；介绍了水化温升抑制、全过程补偿收缩和化学减缩三项关键技术的作用机理及效果，这些技术能够有针对性地降低混凝土的温降收缩、自收缩和干燥收缩；在此基础上，提出了高抗裂混凝土的设计方法，采用该方法后，全过程控制开裂风险系数小于阈值；最后介绍了典型的工程应用案例，结果表明，采用所提出的方法和技术能够显著抑制甚至避免实际工程中收缩裂缝的产生。

关键词： 现代混凝土     收缩     水化程度     抑制技术     开裂风险    

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Thoughts on strategies and paths to achieve carbon peaking and carbon neutrality in China

《能源前沿（英文）》 2023年 第17卷 第3期   页码 324-331 doi: 10.1007/s11708-023-0883-7

摘要： First, a brief introduction is made to the four basic judgments and understandings of the goals of “carbon peaking and carbon neutrality.” Then, an in-depth elaboration is provided on the eight major strategies for achieving the goals of “carbon peaking and carbon neutrality,” including conservation and efficiency priority, energy security, non-fossil energy substitution, re-electrification, resource recycling, carbon sequestration, digitalization and cooperation between countries. Next, eight major implementation paths for achieving the goals of “carbon peaking and carbon neutrality” are discussed in detail, including industrial restructuring; building a clean, low-carbon, safe and efficient energy system, and renewing the understanding of China’s energy resource endowment; accelerating the construction of a new-type power system with a gradually growing proportion of new energy, and realizing the “possible triangle” of high-quality energy system development; utilizing electrification and deep decarbonization technologies to promote the orderly peaking and gradual neutralization of carbon emissions in the industrial sector; promoting the low-carbon transition of transportation vehicles to achieve carbon peaking and carbon neutrality in the transportation sector; focusing on breaking through key green building technologies to achieve zero carbon emissions from building electricity and heat; providing a strong technical support for carbon removal to achieve carbon neutrality; accelerating the construction of the integrated planning and assessment mechanism for pollution and carbon reduction, establishing a sound strategy, planning, policy and action system, and optimizing the carbon trading system. Afterwards, it is particularly pointed out that the realization of the goals of “carbon peaking and carbon neutrality” cannot be separated from the support of sci-tech innovation. Finally, it is stressed that carbon neutrality is not the end, but an important milestone. If viewed from the perspective of future energy, the significance and historical status of the goals of “carbon peaking and carbon neutrality” will be more understandable.

关键词： carbon peaking and carbon neutrality     strategy     implementation path     important sci-tech innovation implementation path    

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Carbon Footprint Drivers in China’s Municipal Wastewater Treatment Plants and Mitigation Opportunities

Shen Qu,Yuchen Hu,Renke Wei,Ke Yu,Zhouyi Liu,Qi Zhou,Chenchen Wang,Lujing Zhang,

《工程（英文）》 doi: 10.1016/j.eng.2024.01.021

摘要： Reducing greenhouse gas (GHG) emissions to address climate change is a global consensus, and municipal wastewater treatment plants (MWWTPs) should lead the way in low-carbon sustainable development. However, achieving effluent discharge standards often requires considerable energy and chemical consumption during operation, resulting in significant carbon footprints. In this study, GHG emissions are systematically accounted for, and the driving factors of carbon footprint growth in China’s MWWTPs are explored. In 2020, a total of 41.9 million tons (Mt) of carbon dioxide equivalent (CO2-eq) were released by the sector, with nearly two-thirds being indirect emissions resulting from energy and material usage. The intensity of electricity, carbon source, and phosphorus removing agent consumption increasingly influence carbon footprint growth over time. Through statistical inference, benchmarks for electricity and chemical consumption intensity are established across all MWWTPs under various operational conditions, and the potential for mitigation through more efficient energy and material utilization is calculated. The results suggest that many MWWTPs offer significant opportunities for emission reduction. Consequently, empirical decarbonization measures, including intelligent device control, optimization of aeration equipment, energy recovery initiatives, and other enhancements to improve operational and carbon efficiency, are recommended.

关键词： Municipal wastewater treatment plants (MWWTPs)     Carbon footprint     Driving Factors     Mitigation opportunities    

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China’s carbon neutrality: an extensive and profound systemic reform

《环境科学与工程前沿（英文）》 2023年 第17卷 第2期 doi: 10.1007/s11783-023-1614-3

摘要：

● China has pledged ambitious carbon peak and neutrality goals for mitigating global climate change.

关键词： Carbon neutrality     Energy structure     Technology-dependent society     Coordinated mitigation for air pollutants and CO2    

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安全韧性城市防灾减灾发展策略研究

房玉东,王文,张志,边路

《中国工程科学》 2023年 第25卷 第1期   页码 1-9 doi: 10.15302/J-SSCAE-2023.01.009

摘要：

在极端气候和环境变化加剧的背景下，快速城市化进程使得城市公共安全面临越来越多的风险与挑战。安全韧性城市建设聚焦城市防灾减灾问题，是推动城市高质量发展的重要抓手。本文基于城市防灾减灾与安全发展的现实需求，提出我国安全韧性城市建设在防灾减灾方面存在的问题，深度剖析当前安全韧性城市建设面临的诸多挑战。在城市防灾减灾与安全发展的理念下，提出制度韧性、社会韧性、工程韧性、技术韧性四个安全韧性城市建设要点。并对安全韧性城市防灾减灾发展给出建议：健全灾害防治法律标准，建立高效应急协同机制；推进多元主体协同共治，构建防灾减灾救灾新格局；提升社会灾害风险意识，筑牢社会防线；加快防灾减灾基础设施建设，提升城市设防水平；强化防灾减灾科技和专业人才力量建设，提升风险治理水平。

关键词： 安全韧性城市；风险防控；公共安全；防灾减灾    

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Synergistic utilization of coal and other energy – Key to low carbon economy

Weidou NI, Zhen CHEN

《能源前沿（英文）》 2011年 第5卷 第1期   页码 1-19 doi: 10.1007/s11708-010-0136-4

摘要： In China, coal is a dominant component of energy mix, and it is expected to remain as such over the next 30 to 40 years. Coal is expected to be used even more in power generation. The direct combustion of coal already has been causing severe pollution and ecological degradation, and it is quite difficult to address the need to reduce greenhouse gas (GHG) given the direct combustion of coal. Therefore, the polygeneration system based on coal gasification, which is one of the major examples of synergistic utilization of coal, is proposed. It is a comprehensive solution to meet the energy challenges China is facing. Furthermore, the synergy of fossil fuels (especially coal) with renewable energy, the synergy of different kinds of energy for energy storage, the synergy of centralized and distributed supply of different kinds of energy, and the synergy of different kinds of energy in smart energy grid (power, gas, heat, and water) are the keys to making China a low-carbon economy. Carbon dioxide (CO ) mitigation in China should begin from the coal-chemical industry given their accumulated relevant experiences. The mitigation process should gradually be transformed into the “IGCC+ polygeneration+ CCUS”. The objectives of this paper are to describe the synergistic utilization of coal, and to analyze the synergy of coal with other energy resources, and to propose the scientific and technological problems to achieve these synergies.

关键词： synergy     clean and efficient utilization of coal     coal-based polygenration     CO2 mitigation     energy storage    

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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

《能源前沿（英文）》 2018年 第12卷 第3期   页码 362-375 doi: 10.1007/s11708-018-0574-y

摘要：

Climate mitigation has become a global issue and most countries have promised their greenhouse gas reduction target. However, after Trump took office as president of the United States (US), the US withdrew from the Paris Agreement. As the biggest economy, this would have impacts on the emission space of other countries. This paper, by using the integrated model of energy, environment and economy/computable general equilibrium (IMED/CGE) model, assesses the impacts of the US withdrawal from Paris Agreement on China, India in terms of carbon emission space and mitigation cost under Nationally Determined Contributions (NDCs) and 2°C scenarios due to changed emission pathway of the US. The results show that, under the condition of constant global cumulative carbon emissions and fixed burden sharing scheme among the countries, the failure of the US to honor its NDC commitment will increase its carbon emission space and decrease its mitigation cost. However, the carbon emission space of other regions, including China and India, will be reduced and their mitigation costs will be raised. In 2030, under the 2°C target, the carbon price will increase by US$14.3 to US$45.3/t in China and by US$10.7 to US$33.9/t in India. In addition, China and India will incur additional GDP loss. Under the 2°C target, the GDP loss of China would increase by US$23.3 to US$72.6 billion (equivalent to US$17.4 to US$54.2/capita), and that of India would rise by US$14.2 to US$43.1 billion (equivalent to US$9.3 to US$28.2/capita).

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

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碳减排工程管理

魏一鸣, 康佳宁, 陈炜明

《工程（英文）》 2022年 第17卷 第10期   页码 17-21 doi: 10.1016/j.eng.2021.09.008

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标题 作者 时间 类型 操作

STRATEGIES FOR A LOW-CARBON FOOD SYSTEM IN CHINA

期刊论文

AGRICULTURAL GREEN DEVELOPMENT TO ACHIEVE FOOD SECURITY AND CARBON REDUCTION IN THE CONTEXT OF CHINA’S DUAL CARBON GOALS

期刊论文

Risk Identification and Mitigation Strategies for Deepwater Oilfields Development

Bao-quan Yang,Li Yang,Fan-jie Shang,Xin Zhang,Chen-xi Li

期刊论文

USING NUTRITIONAL STRATEGIES TO MITIGATE RUMINAL METHANE EMISSIONS FROM RUMINANTS

期刊论文

Fire hazard in transportation infrastructure: Review, assessment, and mitigation strategies

Venkatesh KODUR, M. Z. NASER

期刊论文

Mitigation strategies for soil acidification based on optimal nitrogen management

期刊论文

GREENHOUSE GAS EMISSIONS FROM LIVESTOCK IN CHINA AND MITIGATION OPTIONS WITHIN THE CONTEXT OF CARBON

期刊论文

现代混凝土收缩开裂的评估方法与控制关键技术

刘加平, 田倩, 王育江, 李华, 徐文

期刊论文

Thoughts on strategies and paths to achieve carbon peaking and carbon neutrality in China

期刊论文

Carbon Footprint Drivers in China’s Municipal Wastewater Treatment Plants and Mitigation Opportunities

Shen Qu,Yuchen Hu,Renke Wei,Ke Yu,Zhouyi Liu,Qi Zhou,Chenchen Wang,Lujing Zhang,

期刊论文

China’s carbon neutrality: an extensive and profound systemic reform

期刊论文

安全韧性城市防灾减灾发展策略研究

房玉东,王文,张志,边路

期刊论文

Synergistic utilization of coal and other energy – Key to low carbon economy

Weidou NI, Zhen CHEN

期刊论文

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

期刊论文

碳减排工程管理

魏一鸣, 康佳宁, 陈炜明

期刊论文