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Start-up of PN-anammox system under low inoculation quantity and its restoration after low-loading rate

Guoliang Zhang, Liang Zhang, Xiaoyu Han, Shujun Zhang, Yongzhen Peng

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 2, doi: 10.1007/s11783-020-1324-z

Abstract: Abstract • PN-A was start-up under low inoculation amount and a higher NRR was achieved. • PN-anammoxHowever, the destruction of the system caused by excessive accumulation of nitrate in long-term operationThereafter, excess nitrate build-up was observed under low-loading conditions, and recovery strategiesAfterwards, effluent back-flow was added into the reactor to control the up-flow velocity.partial nitritation and anammox activity were in balance, and an increase in nitrogen removal rate up

Keywords： PN-anammox     Granular sludge     Excess nitrate build-up     Recovery strategy for partial nitrification     Aggressive    

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The build up of teams of professionals is the most urgent task for engineering management in China

Zhang Shourong

Strategic Study of CAE 2008, Volume 10, Issue 12,   Pages 36-38

Abstract: After reviewing the current situation of engineering management in China, the author realized that the buildup of teams of professionals is the most urgent task for engineering management in China, and specificsuggestions for build up of teams are put forward.

Keywords： engineering management     build up of teams of professionals     up grading    

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Independent Development：The Way to Build up the Strength of a Country

Jin Lüzhong

Strategic Study of CAE 2005, Volume 7, Issue 7,   Pages 1-6

Abstract:

The paper expounds the significance of independent development in the fields of politics, military affairs, economy, security, science and technology, etc. It suggests that most of industries in China be provided with the capability of independent development and international competitiveness within 10〜15 years. It analyzes the possibility for achieving this goal. The paper also suggests that the environment favorable to independent development be created in the aspects of ideology, spirit, laws and regulations, policies, system as well as dissemination and public opinion.

Keywords： independent development     goal     possibility    

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Build up Modern Agriculture, Enhance Agricultural Science and Technology Innovation and System Reformation

Lu Liangshu

Strategic Study of CAE 2008, Volume 10, Issue 2,   Pages 4-6

Abstract:

Agricultural science and technology plays a key role in the construc tion of modern agriculture. The connotations and main characters of modern agric ulture in the 21st century were introduced in this paper. The author broug ht forward that the agricultural science and technology innovation was one of the stro ngest supporters to the agricultural development. It is necessary for the agricu ltural development and for the service of “San Nong” that the agricultural sci ence and technology system should be reformed.

Keywords： modern agriculture     science and technology innovation     system reformation    

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Recent advances and challenges of nitrogen/nitrate electro catalytic reduction to ammonia synthesis

Frontiers in Energy doi: 10.1007/s11708-023-0908-2

Abstract: ammonia is a green and mild new method for preparing ammonia, which can directly convert nitrogen or nitrateHerein, the basic mechanism of the nitrogen reduction reaction (NRR) to ammonia and nitrate reduction

Keywords： electrochemical ammonia synthesis     nitrogen     nitrate     nitrogen reduction reaction (NRR) to ammonia     nitrate    

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Projections of heat-related excess mortality in China due to climate change, population and aging

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 11, doi: 10.1007/s11783-023-1732-y

Abstract:

● Four scenarios were used to project heat-related excess mortality

Keywords： Heat-related excess mortality     LMDI     Aging     YLL     VSLY    

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INTERCROPPING: FEED MORE PEOPLE AND BUILD MORE SUSTAINABLE AGROECOSYSTEMS

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 3,   Pages 373-386 doi: 10.15302/J-FASE -2021398

Abstract:

Intercropping is a traditional farming system that increases crop diversity to strengthen agroecosystem functions while decreasing chemical inputs and minimizing negative environmental effects of crop production. Intercropping is currently considerable interest because of its importance in sustainable agriculture. Here, we synthesize the factors that make intercropping a sustainable means of food production by integrating biodiversity of natural ecosystems and crop diversity. In addition to well-known yield increases, intercropping can also increase yield stability over the long term and increase systemic resistance to plant diseases, pests and other unfavorable factors (e.g. nutrient deficiencies). The efficient use of resources can save mineral fertilizer inputs, reduce environmental pollution risks and greenhouse gas emissions caused by agriculture, thus mitigating global climate change. Intercropping potentially increases above- and below-ground biodiversity of various taxa at field scale, consequently it enhances ecosystem services. Complementarity and selection effects allow a better understanding the mechanisms behind enhanced ecosystem functioning. The development of mechanization is essential for large-scale application of intercropping. Agroecosystem multifunctionality and soil health should be priority topics in future research on intercropping.

 

Keywords： agroecosystems ， crop diversity ，intercropping，interspecific interactions，sustainable agriculture    

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Utilizing big data to build personalized technology and system of diagnosis and treatment in traditional

Baoyan Liu

Frontiers of Medicine 2014, Volume 8, Issue 3,   Pages 272-278 doi: 10.1007/s11684-014-0364-9

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Build a Bridge between Science and Economy

Hans-Jurgen Warnecke

Strategic Study of CAE 2000, Volume 2, Issue 10,   Pages 16-17

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Numerical simulation of bituminous coal combustion in a full-scale tiny-oil ignition burner: influence of excess

Zhengqi LI, Chunlong LIU, Xiang ZHANG, Lingyan ZENG, Zhichao CHEN

Frontiers in Energy 2012, Volume 6, Issue 3,   Pages 296-303 doi: 10.1007/s11708-012-0191-0

Abstract: The numerical simulations were conducted for four excess air ratios, 0.56, 0.75, 0.98 and 1.14 (correspondingThe gas temperatures were high along the center line of the burner for the four excess air ratios.The O concentrations for the four excess air ratios were 0.5%, 1.1%, 0.9% and 3.0% at the exit of theThe CO peak concentration was very high with values of 7.9%, 9.9%, 11.3% and 10.6% for the four excess

Keywords： numerical simulation     tiny-oil ignition burner     pulverized coal     temperature field    

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Comparison between inhibitor and uncoupler for minimizing excess sludge production of an activated sludge

CHEN Guowei, XI Pengge, XU Deqian, YU Hanqing

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 1,   Pages 63-66 doi: 10.1007/s11783-007-0012-6

Abstract: In order to study the minimization of excess sludge production, the reduction in the excess sludge productionThe experimental results show that such an addition could effectively reduce the production of excessmodel established in this work, energy uncoupling coefficient () was used to evaluate the reduction in excessoccurred in the presence of dNP, and that dNP was an effective uncoupler for reducing the production of excess

Keywords： uncoupling coefficient     Cu     minimization     presence     uncoupling    

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Structure controlling and process scale-up in the fabrication of nanomaterials

Chunzhong LI,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 1,   Pages 18-25 doi: 10.1007/s11705-009-0305-3

Abstract: The research on process engineering and scale-up will be very important for the commercial production

Keywords： scale-up     significant commercial     electroanalytical     engineering     laboratory    

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Mechanism on minimization of excess sludge in oxic-settling-anaerobic (OSA) process

WANG Jianfang, ZHAO Qingliang, JIN Wenbiao, LIN Jikan

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 1,   Pages 36-43 doi: 10.1007/s11783-008-0001-4

Abstract: It has been concluded that multiple causes resulted in the minimization of excess sludge in the OSA system
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Research on Expansion Theory of Ammonium Nitrate

Lü Chunxu

Strategic Study of CAE 2001, Volume 3, Issue 9,   Pages 58-63

Abstract:

In this paper, expansion process of AN is described, its physical chemical parameters are calculated and determined, the influeucing factors of AN expansion process are studied and a possible mechanism of expansion process is also given.

Keywords： expanded ammonium nitrate     expansion theory     physical chemical parameter     influencing factor    

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BUEES: a bottom-up event extraction system

Xiao DING,Bing QIN,Ting LIU

Frontiers of Information Technology & Electronic Engineering 2015, Volume 16, Issue 7,   Pages 541-552 doi: 10.1631/FITEE.1400405

Abstract: When transferring to a new domain, we have to build a new event type paradigm and annotate a new corpusIn this paper, we present BUEES, a bottom-up event extraction system, which extracts events from the

Keywords： Event extraction     Unsupervised learning     Bottom-up    

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Title Author Date Type Operation

Start-up of PN-anammox system under low inoculation quantity and its restoration after low-loading rate

Guoliang Zhang, Liang Zhang, Xiaoyu Han, Shujun Zhang, Yongzhen Peng

Journal Article

The build up of teams of professionals is the most urgent task for engineering management in China

Zhang Shourong

Journal Article

Independent Development：The Way to Build up the Strength of a Country

Jin Lüzhong

Journal Article

Build up Modern Agriculture, Enhance Agricultural Science and Technology Innovation and System Reformation

Lu Liangshu

Journal Article

Recent advances and challenges of nitrogen/nitrate electro catalytic reduction to ammonia synthesis

Journal Article

Projections of heat-related excess mortality in China due to climate change, population and aging

Journal Article

INTERCROPPING: FEED MORE PEOPLE AND BUILD MORE SUSTAINABLE AGROECOSYSTEMS

Journal Article

Utilizing big data to build personalized technology and system of diagnosis and treatment in traditional

Baoyan Liu

Journal Article

Build a Bridge between Science and Economy

Hans-Jurgen Warnecke

Journal Article

Numerical simulation of bituminous coal combustion in a full-scale tiny-oil ignition burner: influence of excess

Zhengqi LI, Chunlong LIU, Xiang ZHANG, Lingyan ZENG, Zhichao CHEN

Journal Article

Comparison between inhibitor and uncoupler for minimizing excess sludge production of an activated sludge

CHEN Guowei, XI Pengge, XU Deqian, YU Hanqing

Journal Article

Structure controlling and process scale-up in the fabrication of nanomaterials

Chunzhong LI,

Journal Article

Mechanism on minimization of excess sludge in oxic-settling-anaerobic (OSA) process

WANG Jianfang, ZHAO Qingliang, JIN Wenbiao, LIN Jikan

Journal Article

Research on Expansion Theory of Ammonium Nitrate

Lü Chunxu

Journal Article

BUEES: a bottom-up event extraction system

Xiao DING,Bing QIN,Ting LIU

Journal Article