Resource Type

Journal Article 337

Year

2023 19

2022 54

2021 27

2020 17

2019 13

2018 15

2017 21

2016 15

2015 18

2014 18

2013 7

2012 15

2011 13

2010 11

2009 14

2008 13

2007 16

2006 10

2005 2

2004 2

open ︾

Keywords

nitrogen 12

Nitrogen removal 6

optimization 4

Carbon source 3

Constructed wetland 3

eutrophication 3

Chlorella sp. HQ 2

Adsorption 2

Anammox 2

Biofilm 2

China 2

Complete ammonia oxidizing (comammox) bacteria 2

Nitrogen 2

OpenSees 2

Wastewater treatment 2

biofilm 2

blastocyst 2

concentration 2

harvest index 2

open ︾

Search scope:

排序： Display mode:

An integrated approach to site-specific management zone delineation

Yuxin MIAO, David J. MULLA, Pierre C. ROBERT

Frontiers of Agricultural Science and Engineering 2018, Volume 5, Issue 4,   Pages 432-441 doi: 10.15302/J-FASE-2018230

Abstract: Two years of nitrogen (N) rate experiments were conducted in Field B to evaluate the delineated MZs forwas also found that the ROSE-YSTTS approach was effective in defining zones with high, medium and low economicallyoptimum N rates.

Keywords： economically optimum nitrogen rate     fuzzy cluster analysis     precision nitrogen management     site-specific    

HTML PDF Collect

Optimum nitrogen fertilization of

Wentao ZOU,Ruifeng JIA,Jinchang YANG,Rongsheng LI,Guangtian YIN

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 4,   Pages 368-374 doi: 10.15302/J-FASE-2016120

Abstract: A greenhouse pot experiment was conducted to study the effects of nitrogen fertilization on seedlingsThe net photosynthetic rate, stomatal conductance, intercellular CO concentration and transpirationrate of seedlings showed a unimodal parabolic trend, with peak values of 7.29 mmol·m ·s , 0.071 mol·m ·s , 220 mmol·mol and 1.34 mmol·m ·s , respectively, when the rate of fertilization was 200 mg NBased on the critical values of leaf N and P concentration and N/P ratio, the optimum amount of nitrogen

Keywords： Calophyllum inophyllum     growth     nitrogen fertilization     nutrient status     photosynthesis    

HTML PDF Collect

Size-controllable synthesis of monodispersed nitrogen-doped carbon nanospheres from polydopamine forhigh-rate supercapacitors

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 11,   Pages 1788-1800 doi: 10.1007/s11705-023-2326-8

Abstract: Monodispersed nitrogen-doped carbon nanospheres with tunable particle size (100–230 nm) were synthesizedexhibited a significant energy storage capability of 265 F·g–1 at 0.5 A·g–1 and high-rate>–1), which could be attributed to the presence of abundant micro-mesoporous structure, doped nitrogen

Keywords： carbon nanospheres     size-controlled     nitrogen-doped     high-rate     supercapacitors    

HTML PDF Collect

SUSTAINABLE NITROGEN MANAGEMENT FOR VEGETABLE PRODUCTION IN CHINA

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 3,   Pages 373-385 doi: 10.15302/J-FASE-2022455

Abstract:

● Sustainable nitrogen management strategies for Chinese vegetable production

Keywords： enhanced-efficiency nitrogen fertilizer     integrated knowledge and products strategy     nitrogen rate     reactivenitrogen loss     vegetable     yield    

HTML PDF Collect

Circulating fluidized bed biological reactor for nutrients removal

CUI Yubo, LIU Hongbo, BAI Chunxue

Frontiers of Environmental Science & Engineering 2008, Volume 2, Issue 3,   Pages 349-353 doi: 10.1007/s11783-008-0051-7

Abstract: A new biological nitrogen removal process, which is named herein “The circulating fluidized bed bioreactor(CFBBR)”, was developed for simultaneous removal of nitrogen and organic matter.From a technical and economic point of view, the optimum nitrified liquid recirculation rate was 400%of 400% based on the influent flow rate, the average removal efficiencies of total nitrogen (TN) andThe volatile suspended solid (VSS) concentration, nitrification rate and denitrification rate in the

Keywords： soluble chemical     bioreactor     biological nitrogen     optimum nitrified     nitrogen removal    

HTML PDF Collect

REGIONAL ASSESSMENT OF SOIL NITROGEN MINERALIZATION IN DIVERSE CROPLAND OF A REPRESENTATIVE INTENSIVE

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 4,   Pages 530-540 doi: 10.15302/J-FASE-2023515

Abstract:

Soil nitrogen mineralization (Nmin) is a key process that converts organic N into mineralthis study, a 4-week incubation experiment was implemented to measure net soil Nmin rate, gross nitrification (Nit) rate and corresponding soil abiotic properties in five field soils (A&ndashThe results showed that soil Nmin rate ranged from 0.10 to 0.17 mg·kg&minusThe soil Nit rate ranged from 434.2 to 827.1 µg·kg−1·h&minus

Keywords： cropland     gross nitrification rate     regulatory factors     soil nitrogen mineralization     spatial variation    

HTML PDF Collect

Reconsideration on the effect of nitrogen on mixed culture polyhydroxyalkanoate production toward high

Zhiqiang Chen, Lizhi Zhao, Ye Ji, Qinxue Wen, Long Huang

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 4, doi: 10.1007/s11783-019-1135-2

Abstract:

Effect of nitrogen on mixed culture PHA production was reconsideredlistitem>

Higher PHA content and biomass growth were achieved in presence of nitrogen

Keywords： Polyhydroxyalkanoate (PHA)     Organic loading rate     Nitrogen content     Biomass growth     Enrichment history    

HTML PDF Collect

Experimental study on performance of passive and active solar stills in Indian coastal climatic condition

R. LALITHA NARAYANA, V. RAMACHANDRA RAJU

Frontiers in Energy 2020, Volume 14, Issue 1,   Pages 105-113 doi: 10.1007/s11708-018-0536-4

Abstract: This present work is aimed to examine the effect of mass flow rate on distillate output and performanceFor the selected still design, the study reveals that 0.04 m water depth is the optimum value for specificIn the active solar still, with the optimum water depth, different flow rates of 0.5, 1 and 1.5 L/minwith the mass flow rate have a significant effect on the yield and performance of the still.The experimental results show that the combination of 1.5 L/min mass flow rate and an optimum water depth

Keywords： distillation efficiency     solar still     heat transfer coefficient     water depth     optimum and mass flow rate    

HTML PDF Collect

Recent advances in understanding genetic variants associated with economically important traits in sheep

Song-Song XU, Meng-Hua LI

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 3,   Pages 279-288 doi: 10.15302/J-FASE-2017151

Abstract: Sheep are one of the most economically important domesticated animals for human society.Additionally, comprehensive information on functional genes and genetic variants associated with economically

Keywords： sheep     high-throughput screening     productive traits     genome-wide studies    

HTML PDF Collect

Optimum Design for Airliner Environmental Control System

Fang Lin,Wang Jun

Strategic Study of CAE 2006, Volume 8, Issue 1,   Pages 77-80

Abstract: Generalized multiplier combined with simplex method is used to seek the optimum solution.

Keywords： airliner     environmental control     optimum design    

HTML PDF Collect

System Non-optimum Analysis Theory and Method

He Ping

Strategic Study of CAE 2003, Volume 5, Issue 7,   Pages 40-46

Abstract:

This paper discusses non-optimum analysis theory of system and points out main problem of exploringThe key is short of the non-optimum analysis to the system.The article establishes symptom covey and empirical analysis based on non-optimum category of the system, and puts forward that system is degree measured along with non-optimum traced up to systematic self-organization

Keywords： the non-optimum category of system     non-optimum symptom covey     non-optimum magnanimity     systematic self-organization    

HTML PDF Collect

Determining the optimum economic insulation thickness of double pipes buried in the soil for district

Fating LI, Pengfei JIE, Zhou FANG, Zhimei WEN

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 170-185 doi: 10.1007/s11708-020-0680-5

Abstract: An optimization model to obtain the optimum insulation thickness (OIT) and minimum annual total costthe impact of some economic parameters, i.e., unit heating cost, insulation material price, interest rate

Keywords： double pipes     optimization model     optimum insulation thickness     minimum annual total cost    

HTML PDF Collect

Estimation of optimum design of structural systems via machine learning

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1441-1452 doi: 10.1007/s11709-021-0774-0

Abstract: Three different structural engineering designs were investigated to determine optimum design variablesestimation for structures is an effective, successful, and speedy tool to forecast and determine the real optimum

Keywords： optimization     metaheuristic algorithms     harmony search     structural designs     machine learning     artificial neural networks    

HTML PDF Collect

Unified cycle model of a class of internal combustion engines and their optimum performance characteristics

Shiyan ZHENG

Frontiers in Energy 2011, Volume 5, Issue 4,   Pages 367-375 doi: 10.1007/s11708-011-0170-x

Abstract: The optimum criteria of some important parameters such as the power output, efficiency and pressure ratio

Keywords： internal combustion engine     irreversibility     power output     efficiency     optimization    

HTML PDF Collect

SUSTAINABLE NITROGEN MANAGEMENT IN AUSTRALIAN AGROECOSYSTEMS: CHALLENGES AND OPPORTUNITIES

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 3,   Pages 366-372 doi: 10.15302/J-FASE-2022447

Abstract:

● There is huge potential for improvement of nitrogen management in

Keywords： Australian agroecosystems     reactive nitrogen     sustainable development    

HTML PDF Collect

Title Author Date Type Operation

An integrated approach to site-specific management zone delineation

Yuxin MIAO, David J. MULLA, Pierre C. ROBERT

Journal Article

Optimum nitrogen fertilization of

Wentao ZOU,Ruifeng JIA,Jinchang YANG,Rongsheng LI,Guangtian YIN

Journal Article

Size-controllable synthesis of monodispersed nitrogen-doped carbon nanospheres from polydopamine forhigh-rate supercapacitors

Journal Article

SUSTAINABLE NITROGEN MANAGEMENT FOR VEGETABLE PRODUCTION IN CHINA

Journal Article

Circulating fluidized bed biological reactor for nutrients removal

CUI Yubo, LIU Hongbo, BAI Chunxue

Journal Article

REGIONAL ASSESSMENT OF SOIL NITROGEN MINERALIZATION IN DIVERSE CROPLAND OF A REPRESENTATIVE INTENSIVE

Journal Article

Reconsideration on the effect of nitrogen on mixed culture polyhydroxyalkanoate production toward high

Zhiqiang Chen, Lizhi Zhao, Ye Ji, Qinxue Wen, Long Huang

Journal Article

Experimental study on performance of passive and active solar stills in Indian coastal climatic condition

R. LALITHA NARAYANA, V. RAMACHANDRA RAJU

Journal Article

Recent advances in understanding genetic variants associated with economically important traits in sheep

Song-Song XU, Meng-Hua LI

Journal Article

Optimum Design for Airliner Environmental Control System

Fang Lin,Wang Jun

Journal Article

System Non-optimum Analysis Theory and Method

He Ping

Journal Article

Determining the optimum economic insulation thickness of double pipes buried in the soil for district

Fating LI, Pengfei JIE, Zhou FANG, Zhimei WEN

Journal Article

Estimation of optimum design of structural systems via machine learning

Journal Article

Unified cycle model of a class of internal combustion engines and their optimum performance characteristics

Shiyan ZHENG

Journal Article

SUSTAINABLE NITROGEN MANAGEMENT IN AUSTRALIAN AGROECOSYSTEMS: CHALLENGES AND OPPORTUNITIES

Journal Article