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Approaches to achieve high grain yield and high resource use efficiency in rice

Jianchang YANG

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 2,   Pages 115-123 doi: 10.15302/J-FASE-2015055

Abstract: This article discusses approaches to simultaneously increase grain yield and resource use efficiencyBreeding nitrogen efficient cultivars without sacrificing rice yield potential, improving grain fillspikelets and enhancing harvest index are three important approaches to achieving the dual goal of high grainfill could effectively improve grain fill in inferior spikelets.the whole growing season, and non-flooded straw mulching cultivation, could substantially increase grain

Keywords： rice     nitrogen-efficient cultivar     grain fill     harvest index     nitrogen use efficiency     water use efficiency    

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Image analysis of soil failure on defective underground pipe due to cyclic water supply and drainage using X-ray CT

Toshifumi MUKUNOKI, Naoko KUMANO, Jun OTANI

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2,   Pages 85-100 doi: 10.1007/s11709-012-0159-5

Abstract: model grounds from the defected underground pipe model in case of the change of relative density and grainof soil would become the critical factor to cause the fatal failure of model ground if the maximum grain

Keywords： relative density     grain property     model test     road subsidence     underground pipe     image processing     X-ray CT    

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Engineering the grain boundary: a promising strategy to configure NiCoPO/NiCoP nanowire arrays for ultra-stable

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 8,   Pages 1259-1267 doi: 10.1007/s11705-021-2132-0

Abstract: NiCoP4O12/NiCoP nanorod-like arrays with tunable grain boundary density and pores

Keywords： NiCo     array electrode     grain boundary     stability     supercapacitor    

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Improving water use efficiency in grain production of winter wheat and summer maize in the North China

Xiying ZHANG,Wenli QIN,Juanna XIE

Frontiers of Agricultural Science and Engineering 2016, Volume 3, Issue 1,   Pages 25-33 doi: 10.15302/J-FASE-2016090

Abstract: Reducing irrigation water use by improving water use efficiency (WUE) in grain production is criticalWith new cultivars and improved management practices it was possible to further increase grain production

Keywords： harvest index     cultivar selection     deficit irrigation     root water uptake     straw mulching    

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Spatiotemporal variation in water footprint of grain production in China

Pute WU,Yubao WANG,Xining ZHAO,Shikun SUN,Jiming JIN

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 2,   Pages 186-193 doi: 10.15302/J-FASE-2015060

Abstract: Water shortage has become a significant constraint to grain production in China.A more holistic approach is needed to understand the links between grain production and water consumptionThis paper analyzes the spatiotemporal variation in water footprint of grain production (WFGP) in ChinaStatistical analysis revealed that regional differences in grain yield are the main cause for variationsHowever, the scope for further increases in grain yield is limited, and thus, the future goal of reducing

Keywords： water footprint     grain production     grain secu- rity     water scarcity     water-saving    

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Genetic improvement of wheat grain quality at CIMMYT

Carlos GUZMÁN, Karim AMMAR, Velu GOVINDAN, Ravi SINGH

Frontiers of Agricultural Science and Engineering 2019, Volume 6, Issue 3,   Pages 265-272 doi: 10.15302/J-FASE-2019260

Abstract: The main topics being addressed are (1) methodologies to analyze grain quality traits, (2) genetic controlquality traits, (3) characterization of genetic resources for quality improvement, and (4) diversifying grain

Keywords： biofortification     breeding     grain quality     wheat    

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Transcriptome analysis of wheat grain using RNA-Seq

Liu WEI,Zhihui WU,Yufeng ZHANG,Dandan GUO,Yuzhou XU,Weixia CHEN,Haiying ZHOU,Mingshan YOU,Baoyun LI

Frontiers of Agricultural Science and Engineering 2014, Volume 1, Issue 3,   Pages 214-222 doi: 10.15302/J-FASE-2014024

Abstract: With the increase in consumer demand, wheat grain quality improvement has become a focus in China andTranscriptome analysis is a powerful approach to research grain traits and elucidate their genetic regulationThere were 1061274 and 1516564 clean reads generated from grain and leaf-stem, respectively.The analysis of the 61393 unigenes involved in the biological processes of the grain showed that therewere 7355 differentially expressed genes upregulated in the grain library.

Keywords： transcriptome analysis     wheat grain     differentially expressed genes     enrichment analysis    

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A computational toolbox for molecular property prediction based on quantum mechanics and quantitativestructure-property relationship

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 2,   Pages 152-167 doi: 10.1007/s11705-021-2060-z

Abstract: During these periods, one of the most important keys is the molecular property prediction models associatingIn this paper, a framework combining quantum mechanics and quantitative structure-property relationshipis established for fast molecular property predictions, such as activity coefficient, and so forth.which are stored in a database and further provided for the developments of quantitative structure-propertyThe whole framework has been carried out within a molecular property prediction toolbox.

Keywords： molecular property     quantum mechanics     quantitative structure-property relationship     heat of reaction    

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Characterization of grain cadmium concentration in indica hybrid rice

Kai WANG, Qunfeng ZHOU, Tianze YAN, Shilong XU, Longyi ZHAO, Weicheng WANG, Zhigang JIN, Peng QIN, Chenjian FU, Liangbi CHEN, Yuanzhu YANG

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 4,   Pages 523-529 doi: 10.15302/J-FASE-2019281

Abstract:

As a consequence of contamination of soil with heavy metals, cadmium accumulation in grain is of greatIt is important to evaluate the Cd accumulation potential of grain before or when examining and approvingGenotype, environment and their interactions strongly affected the variation in grain Cd accumulationHybrids with slight Cd accumulation potential would be suitable for safe grain production on polluted

Keywords： accumulation     cadmium     hybrid     methodology     rice    

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Mechanical properties of rock materials with related to mineralogical characteristics and grain size

Wenjuan SUN, Linbing WANG, Yaqiong WANG

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 322-328 doi: 10.1007/s11709-017-0387-9

Abstract: This study focuses on the first two: mineral composition and grain size. ?mechanical properties and mineral content and the regression equations between mechanical properties and grain

Keywords： Mechanical properties     rock material     texture     mineral characteristics    

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Convective heat transfer in helical coils for constant-property and variable-property flows with high

Yufei MAO, Liejin GUO, Bofeng BAI, Ximin ZHANG

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 546-552 doi: 10.1007/s11708-010-0116-8

Abstract: Both constant-property flows at normal pressure and variable-property flows at supercritical pressure

Keywords： convective heat transfer     helical coils     high Reynolds number     supercritical pressure     variable property    

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A review on the application of nanofluids in enhanced oil recovery

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 8,   Pages 1165-1197 doi: 10.1007/s11705-021-2120-4

Abstract: Enhanced oil recovery (EOR) has been widely used to recover residual oil after the primary or secondary oil recovery processes. Compared to conventional methods, chemical EOR has demonstrated high oil recovery and low operational costs. Nanofluids have received extensive attention owing to their advantages of low cost, high oil recovery, and wide applicability. In recent years, nanofluids have been widely used in EOR processes. Moreover, several studies have focused on the role of nanofluids in the nanofluid EOR (N-EOR) process. However, the mechanisms related to N-EOR are unclear, and several of the mechanisms established are chaotic and contradictory. This review was conducted by considering heavy oil molecules/particle/surface micromechanics; nanofluid-assisted EOR methods; multiscale, multiphase pore/core displacement experiments; and multiphase flow fluid-solid coupling simulations. Nanofluids can alter the wettability of minerals (particle/surface micromechanics), oil/water interfacial tension (heavy oil molecules/water micromechanics), and structural disjoining pressure (heavy oil molecules/particle/surface micromechanics). They can also cause viscosity reduction (micromechanics of heavy oil molecules). Nanofoam technology, nanoemulsion technology, and injected fluids were used during the EOR process. The mechanism of N-EOR is based on the nanoparticle adsorption effect. Nanoparticles can be adsorbed on mineral surfaces and alter the wettability of minerals from oil-wet to water-wet conditions. Nanoparticles can also be adsorbed on the oil/water surface, which alters the oil/water interfacial tension, resulting in the formation of emulsions. Asphaltenes are also adsorbed on the surface of nanoparticles, which reduces the asphaltene content in heavy oil, resulting in a decrease in the viscosity of oil, which helps in oil recovery. In previous studies, most researchers only focused on the results, and the nanoparticle adsorption properties have been ignored. This review presents the relationship between the adsorption properties of nanoparticles and the N-EOR mechanisms. The nanofluid behaviour during a multiphase core displacement process is also discussed, and the corresponding simulation is analysed. Finally, potential mechanisms and future directions of N-EOR are proposed. The findings of this study can further the understanding of N-EOR mechanisms from the perspective of heavy oil molecules/particle/surface micromechanics, as well as clarify the role of nanofluids in multiphase core displacement experiments and simulations. This review also presents limitations and bottlenecks, guiding researchers to develop methods to synthesise novel nanoparticles and conduct further research.

Keywords： nanofluid     EOR mechanism     nanoparticle adsorption     interface property     internal property    

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Research and Development of Heat-Resistant Materials for Advanced USC Power Plants with Steam Temperatures of 700 °C and Above Review

Fujio Abe

Engineering 2015, Volume 1, Issue 2,   Pages 211-224 doi: 10.15302/J-ENG-2015031

Abstract:

Materials-development projects for advanced ultra-supercritical (A-USC) power plants with steam temperatures of 700 °C and above have been performed in order to achieve high efficiency and low CO2 emissions in Europe, the US, Japan, and recently in China and India as well. These projects involve the replacement of martensitic 9%−12% Cr steels with nickel (Ni)-base alloys for the highest temperature boiler and turbine components in order to provide sufficient creep strength at 700 °C and above. To minimize the require­ment for expensive Ni-base alloys, martensitic 9%−12% Cr steels can be applied to the next highest temperature components of an A-USC power plant, up to a maximum of 650 °C. This paper comprehensively describes the research and development of Ni-base alloys and martensitic 9%−12% Cr steels for thick section boiler and turbine components of A-USC power plants, mainly focusing on the long-term creep-rupture strength of base metal and welded joints, strength loss in welded joints, creep-fatigue properties, and microstructure evolution during exposure at elevated temperatures.

Keywords： Ni-base alloy     9%&minus     12% Cr steel     creep strength     creep-fatigue property     welded joint     grain boundary    

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Study on the Design of Removable Grain Bed Dust Remover

Lv Baohe

Strategic Study of CAE 2007, Volume 9, Issue 10,   Pages 45-48

Abstract:

The characteristics of the removable grain bed dust remover are analyzedand calculations of main configuration parameters and main performance parameters of the removable grain

Keywords： removable grain bed     dust remover     configuration parameter     performance parameter    

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A solar assisted heat pump drying system for grain in-store drying

Haifeng LI, Yanjun DAI, Jianguo DAI, Xibo WANG, Lei WEI,

Frontiers in Energy 2010, Volume 4, Issue 3,   Pages 386-391 doi: 10.1007/s11708-010-0003-3

Abstract: For grain in-store drying, a solar assisted drying process has been developed, which consists of a setincluding a solar-assisted heat pump, a ventilation system, a grain stirrer, etc.

Keywords： solar energy     heat pump     airflow     in-store drying    

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Title Author Date Type Operation

Approaches to achieve high grain yield and high resource use efficiency in rice

Jianchang YANG

Journal Article

Image analysis of soil failure on defective underground pipe due to cyclic water supply and drainage using X-ray CT

Toshifumi MUKUNOKI, Naoko KUMANO, Jun OTANI

Journal Article

Engineering the grain boundary: a promising strategy to configure NiCoPO/NiCoP nanowire arrays for ultra-stable

Journal Article

Improving water use efficiency in grain production of winter wheat and summer maize in the North China

Xiying ZHANG,Wenli QIN,Juanna XIE

Journal Article

Spatiotemporal variation in water footprint of grain production in China

Pute WU,Yubao WANG,Xining ZHAO,Shikun SUN,Jiming JIN

Journal Article

Genetic improvement of wheat grain quality at CIMMYT

Carlos GUZMÁN, Karim AMMAR, Velu GOVINDAN, Ravi SINGH

Journal Article

Transcriptome analysis of wheat grain using RNA-Seq

Liu WEI,Zhihui WU,Yufeng ZHANG,Dandan GUO,Yuzhou XU,Weixia CHEN,Haiying ZHOU,Mingshan YOU,Baoyun LI

Journal Article

A computational toolbox for molecular property prediction based on quantum mechanics and quantitativestructure-property relationship

Journal Article

Characterization of grain cadmium concentration in indica hybrid rice

Kai WANG, Qunfeng ZHOU, Tianze YAN, Shilong XU, Longyi ZHAO, Weicheng WANG, Zhigang JIN, Peng QIN, Chenjian FU, Liangbi CHEN, Yuanzhu YANG

Journal Article

Mechanical properties of rock materials with related to mineralogical characteristics and grain size

Wenjuan SUN, Linbing WANG, Yaqiong WANG

Journal Article

Convective heat transfer in helical coils for constant-property and variable-property flows with high

Yufei MAO, Liejin GUO, Bofeng BAI, Ximin ZHANG

Journal Article

A review on the application of nanofluids in enhanced oil recovery

Journal Article

Research and Development of Heat-Resistant Materials for Advanced USC Power Plants with Steam Temperatures of 700 °C and Above

Fujio Abe

Journal Article

Study on the Design of Removable Grain Bed Dust Remover

Lv Baohe

Journal Article

A solar assisted heat pump drying system for grain in-store drying

Haifeng LI, Yanjun DAI, Jianguo DAI, Xibo WANG, Lei WEI,

Journal Article