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Technical measures to achieve a cleaner production mode for recycled paper mills

Chao HE, Zhaolin GU, Shucheng YANG, Jidong LIANG, Weina DAI, Yanling HE

Frontiers of Environmental Science & Engineering 2010, Volume 4, Issue 4,   Pages 466-474 doi: 10.1007/s11783-010-0242-x

Abstract: China’s paper production reached 79.8 ×10 t in 2008 and ranked number one in the world. Because of its high consumption of water, energy and materials and its serious pollution, the present processes are not likely to be sustainable. An alternative, the closed Water Loop-Papermaking Integration (WLPI) method, is put forward in this paper. The WLPI method can be realized in a recycled paper mill by adding technologies and using recycled water. Many industrial case studies have shown that a large quantity of water, energy and materials can be saved, and the quantity of waste sludge and wastewater discharge was minimized by using the WLPI method. The design of the water reuse system, control of calcium hardness, water recycling and minimal waste sludge are discussed. Anaerobic technology plays an important role in the WLPI method to lower cost, energy use and waste. In the brown paper and coated white board production, zero-effluent discharge can be realized. Fresh water consumption is only 1–2 m ·t . For the paper mills with deinking and bleaching processes, about 10 m ·t of fresh water and a similar amount of effluent discharge are needed. Power saving using anaerobic technology is 70% when recycled water is used in comparison with the conventional activated sludge process. Waste sludge can be decreased to about 5% of the initial process due to reuse of the waste sludge and the lower bio-sludge production of the anaerobic process.

Keywords： water reuse     zero discharge     anaerobic treatment     recycled paper     cleaner production    

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Research on the Significance of Developing New Energy Vehicles Industry and Its Technical Routes

Chen Qingquan,Gao Jinyan,He Xuan and Shen Bin

Strategic Study of CAE 2018, Volume 20, Issue 1,   Pages 68-73 doi: 10.15302/J-SSCAE-2018.01.010

Abstract: The technical routes for new energy vehicles, power batteries, and driving motors and systematic configurations

Keywords： new energy vehicle     major significance     technical route     measures    

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Challenges and Thoughts on Risk Management and Control for the Group Construction of a Super-Long Tunnel by TBM Article

Mingjiang Deng

Engineering 2018, Volume 4, Issue 1,   Pages 112-122 doi: 10.1016/j.eng.2017.07.001

Abstract: The application of these techniques offers scientific guidance for risk control and puts forward technical

Keywords： Super-long tunnels     Group construction by TBM     Risk management and control     Technical measures    

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Efficiency of scalar and vector intensity measures for seismic slope displacements

Gang WANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 1,   Pages 44-52 doi: 10.1007/s11709-012-0138-x

Abstract: Ground motion intensity measures are usually used to predict the earthquake-induced displacements inIn this study, the efficiency of various single ground motion intensity measures (scalar ) or a combination

Keywords： seismic slope displacements     intensity measures     empirical prediction    

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Optimization design of anti-seismic engineering measures for intake tower based on non-dominated sorting

Frontiers of Structural and Civil Engineering   Pages 1428-1441 doi: 10.1007/s11709-023-0998-2

Abstract: Therefore, effective and low-cost anti-seismic engineering measures must be designed for protection.The method adopted in this study may provide significant references for designing anti-seismic measures

Keywords： intake tower     NSGA-II     mode decomposition response spectrum method     anti-seismic engineering measures    

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Unnormalized and normalized forms of gefura measures in directed and undirected networks

Raf GUNS,Ronald ROUSSEAU

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 4,   Pages 311-320 doi: 10.1631/FITEE.1400425

Abstract: Common network centrality measures do not take this structure into account.Gefura measures are designed as indicators of a node’s brokerage role between such groups.make the following new contributions to their study: (1) We systematically study unnormalized gefura measuresundirected networks as equivalent to symmetric directed networks, we expand the definition of gefura measures

Keywords： Networks subdivided in groups     Partitions     Gefura measures     Q-measures     Brokerage role     Directed and    

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Improvement to observability measures of LFO modes in power systems with DFIGs

Shenghu LI

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 539-549 doi: 10.1007/s11708-019-0617-z

Abstract: The sensitivities of the observability measures to the control parameters are derived.small and large-disturbance validate the LFO modes caused by the DFIGs, and different observability measures

Keywords： wind power system     low-frequency oscillation (LFO)     observability measure     sensitivity     doubly-fed induction generator (DFIG)    

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New Challenges, New Opportunities and New Measures for Oil and Gas Cooperation in the Belt and Road

Yu-pu Wang,He Liu

Frontiers of Engineering Management 2016, Volume 3, Issue 4,   Pages 301-313 doi: 10.15302/J-FEM-2016055

Abstract: Enhancing capacities in four areas and implementing the 16 measures are given for deepening oil and gas

Keywords： the Belt and Road     oil & gas cooperation     new challenges     new opportunities     new measures    

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Implement and Innovate Environmental Protection Measures, Promote Green Protection of Cultural Relics

Fu-qing Liang,Yong-ping Sun

Frontiers of Engineering Management 2014, Volume 1, Issue 4,   Pages 330-335 doi: 10.15302/J-FEM-2014055

Abstract: The subject is implementing and innovating environmental protection measures, and promoting green protection

Keywords： environmental science     the Three Gorges cultural relics     innovate environmental protection measures     green    

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The Development Situation, Future and Counter Measures of Remanufacturing Industry in China

Wen-qiang Liu,Jun-yuan Mo,Cheng-kui Gu

Frontiers of Engineering Management 2016, Volume 3, Issue 2,   Pages 123-131 doi: 10.15302/J-FEM-2016021

Abstract: developmental trends and problems of the remanufacturing industry in China, and proposes promoting measures

Keywords： remanufacturing     industry     measures     development    

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Situation and measures of China’s CO

Jiankun HE

Frontiers in Energy 2018, Volume 12, Issue 3,   Pages 353-361 doi: 10.1007/s11708-018-0564-0

Abstract:

Global response to climate change has entered the phase of full implementation of the Paris Agreement. To control the global temperature rise below 2°C, all countries must make more efforts to reduce emission. China has combined its goal of emission reduction for combating climate change with its domestic sustainable development strategy to promote energy revolution and the transition of economic development to low-carbon patterns. Through reinforcing the commitment and action before 2020, the CO2 intensity of GDP can decrease by more than 50% by 2020 compared with that of 2005, and the external commitment target of a 40%–45% decrease can be over fulfilled. Currently, under the new economic normal, China further strengthens the policy measure, vigorously saves energy, enhances energy use efficiency and the economic output benefit, and simultaneously develops new and renewable energy and accelerates energy structural decarbonization, so that the annual decrease rate of the CO2 intensity of GDP keeps a high level of more than 4% and remains increasing. Thus, the decrease rate of the CO2 intensity of GDP will exceed the GDP growth rate, and then CO2 emission will peak around 2030. This will promote the fundamental turning of economic development mode, and lay a foundation for the establishment of a sustainable energy system with near-zero emissions and with new and renewable energy as the main body in the second half of this century. China implements the concept of green low-carbon development and accelerates the low carbon transition of energy and economy to achieve win-win results in economic growth and CO2 emission mitigation, and these policies and actions will also provide experiences for many other developing countries. On the other hand, China will continue to play a positive and constructive leading role in the implementation of the Paris Agreement internationally, and promote the construction of new mechanisms of win-win cooperation, fairness and justice and common development for global climate governance. Moreover, China will make an effort to build a community of common destiny for mankind, promote pragmatic cooperation among countries, especially among developing countries, and take combating climate change as a new development opportunity for jointly moving toward climate-friendly low-carbon economic development path.

Keywords： climate change     the Paris Agreement     energy revolution     NDC (national determined contribution) goals    

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Influence of advanced engineering measures on displacement and stress field of surrounding rock in tunnels

Frontiers of Structural and Civil Engineering doi: 10.1007/s11709-023-0966-x

Abstract: Based on significant improvements in engineering materials, three advanced engineering measures haveMoreover, single- or multiple-joint advanced engineering measures form the local rock mass-anti-faultAmong the three advanced engineering measures, the anchor cable was the core of the three advanced engineeringmeasures.An anchor cable, combined with other LRAF measures, can form an artificial safety island at the cross-fault

Keywords： anti-fault effect     engineering measures     LRAF method     stress and displacement field     tunnel-crossing    

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Pathway to energy technical innovation and commercialization based on Internet plus DES

Huiping LIU

Frontiers in Energy 2016, Volume 10, Issue 1,   Pages 65-78 doi: 10.1007/s11708-015-0391-5

Abstract: key issues for DES deployment were analyzed; five types of potential DES users and five key points of technical

Keywords： “Internet Plus”     distributed energy system (DES)     business model     technical innovation     commercialization    

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Family planning technical services in China

Shang-Chun WU

Frontiers of Medicine 2010, Volume 4, Issue 3,   Pages 285-289 doi: 10.1007/s11684-010-0097-3

Abstract: Technical services are the key measures for implementing the family planning policy.introduction, and expansion of contraceptive methods, and also for establishment and revision of the technicalRemarkable success has been achieved in improving the quality of technical services.

Keywords： family planning     contraceptive method     service delivery    

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Creating technical heritage object replicas in a virtual environment

Olga EGOROVA,Dmitry SHCHERBININ

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 1,   Pages 108-115 doi: 10.1007/s11465-016-0363-4

Abstract:

The paper presents innovative informatics methods for creating virtual technical heritage replicas3D modeling and animation of aircrafts, spaceships, architectural-engineering buildings, and other technical

Keywords： 3D document     history of science and technology     technical knowledge     popularization     virtual environment    

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Title Author Date Type Operation

Technical measures to achieve a cleaner production mode for recycled paper mills

Chao HE, Zhaolin GU, Shucheng YANG, Jidong LIANG, Weina DAI, Yanling HE

Journal Article

Research on the Significance of Developing New Energy Vehicles Industry and Its Technical Routes

Chen Qingquan,Gao Jinyan,He Xuan and Shen Bin

Journal Article

Challenges and Thoughts on Risk Management and Control for the Group Construction of a Super-Long Tunnel by TBM

Mingjiang Deng

Journal Article

Efficiency of scalar and vector intensity measures for seismic slope displacements

Gang WANG

Journal Article

Optimization design of anti-seismic engineering measures for intake tower based on non-dominated sorting

Journal Article

Unnormalized and normalized forms of gefura measures in directed and undirected networks

Raf GUNS,Ronald ROUSSEAU

Journal Article

Improvement to observability measures of LFO modes in power systems with DFIGs

Shenghu LI

Journal Article

New Challenges, New Opportunities and New Measures for Oil and Gas Cooperation in the Belt and Road

Yu-pu Wang,He Liu

Journal Article

Implement and Innovate Environmental Protection Measures, Promote Green Protection of Cultural Relics

Fu-qing Liang,Yong-ping Sun

Journal Article

The Development Situation, Future and Counter Measures of Remanufacturing Industry in China

Wen-qiang Liu,Jun-yuan Mo,Cheng-kui Gu

Journal Article

Situation and measures of China’s CO

Jiankun HE

Journal Article

Influence of advanced engineering measures on displacement and stress field of surrounding rock in tunnels

Journal Article

Pathway to energy technical innovation and commercialization based on Internet plus DES

Huiping LIU

Journal Article

Family planning technical services in China

Shang-Chun WU

Journal Article

Creating technical heritage object replicas in a virtual environment

Olga EGOROVA,Dmitry SHCHERBININ

Journal Article