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COMPARING PERFORMANCE OF CROP SPECIES MIXTURES AND PURE STANDS

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 3,   Pages 481-489 doi: 10.15302/J-FASE-2021413

Abstract:

Intercropping is the planned cultivation of species mixtures on agricultural land.

Keywords： intercropping     species mixtures     meta-analysis     metrics     indicators    

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Toxicity models of metal mixtures established on the basis of “additivity” and “interactions”

Yang Liu,Martina G. Vijver,Bo Pan,Willie J. G. M. Peijnenburg

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 2, doi: 10.1007/s11783-017-0916-8

Abstract: · No preference is set between CA and IA models to assess toxicity of metal mixtures. · Increased modelObserved effects of metal mixtures on animals and plants often differ from the estimates, which are commonlysummarizes the existing predictive tools for evaluating the combined toxicity of metals present in mixtureson how to make good use of the tools and how to advance the methods for assessing toxicity of metal mixturesis recommended to first use a relatively simple method for effect prediction of uninvestigated metal mixtures

Keywords： Metal     Mixtures     Toxicity     Additivity     Modeling     Interactions    

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Effect of carbon black on the dynamic moduli of asphalt mixtures and its master curves

Chuangmin LI, Fanbo NING, Yuanyuan LI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 4,   Pages 918-925 doi: 10.1007/s11709-019-0526-6

Abstract: structure, the newest specifications of China gives the dynamic moduli ranges of commonly used asphalt mixturesbase asphalt (BA) or styrene-butadiene-styrene modified asphalt (SBS MA), while the moduli ranges of mixturesTo investigate the CB effect on the dynamic moduli of CB MA mixtures, one commonly used asphalt mixturetests were conducted at different temperatures and loading frequencies, the master curves of asphalt mixturesthat ith increasing loading frequency, the temperature dependence of dynamic moduli of all asphalt mixtures

Keywords： dynamic modulus     carbon black     master curve     modified asphalt     asphalt mixture    

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Boiling heat transfer correlations for refrigerant mixtures flowing inside micro-fin tubes

ZHANG Xiaoyan, ZHANG Xingqun, CHEN Yunguang, YUAN Xiuling

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 489-493 doi: 10.1007/s11708-008-0110-6

Abstract: different geometrical parameters, a boiling heat transfer correlations was developed for refrigerant mixturesthe prediction by the present correlations is in good agreement with the experiment of refrigerant mixtures

Keywords： comparison     micro-fin     calculation     transfer     prediction    

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Linear viscoelastic behavior of asphalt binders and mixtures containing very high percentages of reclaimed

Frontiers of Structural and Civil Engineering   Pages 1211-1227 doi: 10.1007/s11709-023-0983-9

Abstract: to correlate the impact of aggregates, if any, on the viscoelastic behavior of rejuvenated asphalt mixturesaddition to performance grade (PG) testing, extracted and recovered binders from different asphalt mixtures(SHStS) transformation was used to compare the linear viscoelastic behavior of asphalt binders and mixturesThe influence of aggregates on the viscoelastic behavior of asphalt mixtures depends on temperature andThe role of asphalt binders in the behavior of asphalt mixtures is more pronounced at high temperatures

Keywords： RAP     complex modulus     SHStS transformation     rejuvenation     behavior of asphalt binder and mixture    

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Biodegradable, superhydrophobic walnut wood membrane for the separation of oil/water mixtures

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 9,   Pages 1377-1386 doi: 10.1007/s11705-022-2157-z

Abstract: The preparation of environmentally friendly oil/water separation materials remains a great challenge. Freeze-drying of wood after lignin removal yields wood aerogels, which can be used as substrates to prepare fluorine-free environmentally friendly superhydrophobic materials, However, they are more suitable for absorption rather than filtration applications due to their poor strength. A study using cross-sections of pristine wood chips as substrates retains the original strength of wood, but the use of the cross-sectional of wood pieces limits their thickness, strength, and size. In this paper, a degradable fluorine-free superhydrophobic film (max. water contact angle of approximately 164.2°) with self-cleaning and abrasion resistance characteristics was prepared by a one-step method using pristine and activated walnut longitudinal section films as the substrate, with tetraethyl orthosilicate as a precursor and dodecyltriethoxysilane as a modifier. The tensile strength results show that superhydrophobic films with pristine or activated wood substrates maintained the strength of pristine wood and were 2.2 times stronger than the wood aerogel substrate. In addition, after cross-laminating the two samples, the films had the ability to separate oil and water by continuous filtration with high efficiency (98.5%) and flux (approximately 1.3 × 103 L∙m‒2∙h‒1). The method has potential for the large-scale fabrication of degradable superhydrophobic filtration separation membranes.

Keywords： wood nanotechnology     superhydrophobic     biodegradable     surface modification     oil/water separation    

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Experimental study on saturated flow boiling heat transfer of R290/R152a binary mixtures in a horizontal

Xin ZOU, Maoqiong GONG, Gaofei CHEN, Zhaohu SUN, Jianfeng WU

Frontiers in Energy 2010, Volume 4, Issue 4,   Pages 527-534 doi: 10.1007/s11708-010-0109-7

Abstract: The result shows that the total mean deviation is 10.41% for R290/R152a mixtures, with 97.6% of the predictions

Keywords： flow boiling     heat transfer     binary mixture     R290/R152a    

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Nongray radiation from gas and soot mixtures in planar plates based on statistical narrow-band spectral

Huaqiang CHU, Qiang CHENG, Huaichun ZHOU, Fengshan LIU

Frontiers in Energy 2011, Volume 5, Issue 2,   Pages 149-158 doi: 10.1007/s11708-010-0124-8

Abstract: ray-tracing method, a comprehensive investigation of the influence of soot on nongray radiation from mixtures

Keywords： soot     combustion     SNB model     nongray radiation    

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An overview of anti-shear behavior study of asphalt mixtures

Chen Guangwei,Li Hongtao,Chen Rongsheng

Strategic Study of CAE 2010, Volume 12, Issue 4,   Pages 90-94

Abstract:

The paper summarized and evaluated asphalt mixture anti-shear test method, anti-shear mechanism and the anti-shear design reasearch recently. The analysis and evaluation of 9 test methods is helpful for related personnel to choose these test methods appropriately. The properties of asphalt grout, anti-shear strength between asphalt and aggregate interface, and interlocking of aggregates, jointly decide HMA (hot mix asphalt) anti-shear strength and are the orientation to improve HMA anti-shear properties. Further researches are needed before anti-shear design is used in engineering to solve the problems such as the determination of relevant coefficient in tolerable shear stress test method and calibration of rutting prediction models based on HMA anti-shear behaviors.

Keywords： asphalt mixtures     rutting     shear test     anti-shear strength    

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Strengthening of polysulfone membranes using hybrid mixtures of micro- and nano-scale modifiers

Peyman P. Selakjani, Majid Peyravi, Mohsen Jahanshahi, Hamzeh Hoseinpour, Ali S. Rad, Soodabeh Khalili

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 1,   Pages 174-183 doi: 10.1007/s11705-017-1670-y

Abstract: Polysulfone (PSf) membranes were modified by either a new organic modifier (sulfonated poly(ether sulfide sulfone), SPESS) or a traditional modifier (rice hulk). These membranes were further reinforced with either multi-walled carbon nanotubes (MWCNTs) or silica nanoparticles. Having a dye rejection of 98.46%, the reinforced membranes increased more than 50% in strength but no change in solution flux was observed. The morphological and roughness studies were conducted using scanning electron microscopy and atomic force microscopy. Moreover, the PSF membranes were also characterized by differential scanning calorimetry. Modifying the membranes with organic modifier or nanofiller increases the glass transition temperature ( ). The highest and strength were observed for the PSf-SPESS-MWCNT membrane. SPESS decreases surface roughness but MWCNT increases roughness on the nanoscale. All membranes show a bimodal pore size distribution, whereas the PSf-SPESS-MWCNT membrane exhibits a relatively uniform distribution of macroscopic and microscopic pores.

Keywords： polysulfone membrane     mechanical properties     micro- and nano-modification     binary and ternary system     dye removal    

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THE 4C APPROACH AS A WAY TO UNDERSTAND SPECIES INTERACTIONS DETERMINING INTERCROPPING PRODUCTIVITY

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 3,   Pages 387-399 doi: 10.15302/J-FASE-2021414

Abstract: intensification is the diversification of cropping systems using intercropping and notably cereal-grain legume mixturesSuch mixtures or intercrops have the potential to increase and stabilize yields and improve cereal grainSpecies mixtures are complex and the 4C approach is both a pedagogical and scientific way to represent

Keywords： complementarity     cooperation     interspecific interactions     land equivalent ratio     light     nutrients     species mixtures    

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TRANSLATING THE MULTI-ACTOR APPROACH TO RESEARCH INTO PRACTICE USING A WORKSHOP APPROACH FOCUSING ON SPECIES MIXTURES

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 3,   Pages 460-473 doi: 10.15302/J-FASE-2021416

Abstract: participants from the EU H2020 funded project “Redesigning European cropping systems based on species MIXtures

Keywords： agroecology     codesign     intercropping     knowledge sharing     participatory methods    

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Pre-chamber turbulent jet ignition of methane/air mixtures with multiple orifices in a large bore constant

Xiang LI, Wenzheng ZHANG, Zhong HUANG, Dehao JU, Li HUANG, Mingzhi FENG, Xingcai LU, Zhen HUANG

Frontiers in Energy 2019, Volume 13, Issue 3,   Pages 483-493 doi: 10.1007/s11708-019-0631-1

Abstract: investigate the effect of air-fuel equivalence ratio and pre-mixed pressure on pre-chamber TJI of methane/air mixtures

Keywords： marine engine     natural gas     methane     turbulent jet ignition (TJI)     pre-chamber    

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Title Author Date Type Operation

COMPARING PERFORMANCE OF CROP SPECIES MIXTURES AND PURE STANDS

Journal Article

Toxicity models of metal mixtures established on the basis of “additivity” and “interactions”

Yang Liu,Martina G. Vijver,Bo Pan,Willie J. G. M. Peijnenburg

Journal Article

Effect of carbon black on the dynamic moduli of asphalt mixtures and its master curves

Chuangmin LI, Fanbo NING, Yuanyuan LI

Journal Article

Boiling heat transfer correlations for refrigerant mixtures flowing inside micro-fin tubes

ZHANG Xiaoyan, ZHANG Xingqun, CHEN Yunguang, YUAN Xiuling

Journal Article

Linear viscoelastic behavior of asphalt binders and mixtures containing very high percentages of reclaimed

Journal Article

Biodegradable, superhydrophobic walnut wood membrane for the separation of oil/water mixtures

Journal Article

Experimental study on saturated flow boiling heat transfer of R290/R152a binary mixtures in a horizontal

Xin ZOU, Maoqiong GONG, Gaofei CHEN, Zhaohu SUN, Jianfeng WU

Journal Article

Nongray radiation from gas and soot mixtures in planar plates based on statistical narrow-band spectral

Huaqiang CHU, Qiang CHENG, Huaichun ZHOU, Fengshan LIU

Journal Article

An overview of anti-shear behavior study of asphalt mixtures

Chen Guangwei,Li Hongtao,Chen Rongsheng

Journal Article

Strengthening of polysulfone membranes using hybrid mixtures of micro- and nano-scale modifiers

Peyman P. Selakjani, Majid Peyravi, Mohsen Jahanshahi, Hamzeh Hoseinpour, Ali S. Rad, Soodabeh Khalili

Journal Article

THE 4C APPROACH AS A WAY TO UNDERSTAND SPECIES INTERACTIONS DETERMINING INTERCROPPING PRODUCTIVITY

Journal Article

TRANSLATING THE MULTI-ACTOR APPROACH TO RESEARCH INTO PRACTICE USING A WORKSHOP APPROACH FOCUSING ON SPECIES MIXTURES

Journal Article

Pre-chamber turbulent jet ignition of methane/air mixtures with multiple orifices in a large bore constant

Xiang LI, Wenzheng ZHANG, Zhong HUANG, Dehao JU, Li HUANG, Mingzhi FENG, Xingcai LU, Zhen HUANG

Journal Article