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1. Integrative Bioinspired Surface with Wettable Patterns and Gradient for Enhancement of Fog Collection

Author:
Xing, Yan; Shang, Weifeng; Wang, Qianqian; Feng, Shile; Hou, Yongping; Zheng, Yongmei
Source:
ACS applied materials & interfaces 2019 v.11 no.11 pp. 10951-10958
ISSN:
1944-8252
Subject:
water harvesting,   etc   ; droplets; oxidation;     Show all 3 Subjects
Abstract:
... A novel integrative bioinspired surface with wettable patterns and gradient (WPGS) is proposed for fog collection via a novel anodic oxidation strategy. We study the water collection behaviors on WPGS with different parameters. Quantitative force analysis is presented, providing evidence for the underlying mechanism leading to the directional motion of the droplet, which is consistent with the exp ...
DOI:
10.1021/acsami.8b19574

2. Molecular recognition: how photosynthesis anchors the mobile antenna

Author:
Allen, John F.; Nield, Jon; Krauß, Norbert
Source:
Trends in plant science 2019
ISSN:
1360-1385
Subject:
harvesting; light harvesting complex,   etc   ; cryo-electron microscopy; energy; photosystem I;     Show all 5 Subjects
Abstract:
... True to its name, Light Harvesting Complex II (LHC II) harvests light energy for photosystem II. But LHC II can stray, harvesting light energy for photosystem I instead. Cryo-electron microscopy now shows how this mobile antenna becomes so attached to its new partner. ...
DOI:
10.1016/j.tplants.2019.03.003

3. Efficient membrane microalgal harvesting: Pilot-scale performance and techno-economic analysis

Author:
Wang, Lan; Pan, Bo; Gao, Yunxiao; Li, Cheng; Ye, Jing; Yang, Li; Chen, Yongsheng; Hu, Qiang; Zhang, Xuezhi
Source:
Journal of cleaner production 2019 v.218 pp. 83-95
ISSN:
0959-6526
Subject:
harvesting,   etc   ; Scenedesmus; biomass; industrialization; microalgae; ultrafiltration; zooplankton;     Show all 7 Subjects
Abstract:
... In this study, a pilot-scale ultrafiltration membrane system was developed for harvesting of oleaginous Scenedesmus acuminatus by adjusting transmembrane pressure-TMP (cross flow velocity-CFV changed accordingly) and applying air-assisted backwashing technology to increase membrane flux, reduce flux declining rate and enhance flux recovery rate. A two-stage harvesting strategy (normal filtration–s ...
DOI:
10.1016/j.jclepro.2019.01.321

4. Multi-stage reverse electrodialysis: Strategies to harvest salinity gradient energy

Author:
Hu, Junyong; Xu, Shiming; Wu, Xi; Wu, Debing; Jin, Dongxu; wang, Ping; Leng, Qiang
Source:
Energy conversion and management 2019 v.183 pp. 803-815
ISSN:
0196-8904
Subject:
harvesting,   etc   ; electrodialysis; energy conversion; heat; salinity;     Show all 5 Subjects
Abstract:
... Reverse electrodialysis heat engine (REDHE) is an effective technology to harvest salinity gradient energy (SGE) driven by low grade heat. In order to improve the energy conversion efficiency of it, one practical way is to enhance the capturing SGE ability of the reverse electrodialysis (RED) unit. To achieve that, the promising multi-stage RED (MSRED) method is proposed. In this paper, two strate ...
DOI:
10.1016/j.enconman.2018.11.032

5. Superior Sodium Storage of Carbon-Coated NaV₆O₁₅ Nanotube Cathode: Pseudocapacitance Versus Intercalation

Author:
Song, Xuexia; Li, Jicheng; Li, Zhaohui; Xiao, Qizhen; Lei, Gangtie; Hu, Zhongliang; Ding, Yanhuai; Kheimeh Sari, Hirbod Maleki; Li, Xifei
Source:
ACS applied materials & interfaces 2019 v.11 no.11 pp. 10631-10641
ISSN:
1944-8252
Subject:
harvesting,   etc   ; batteries; cathodes; nanotubes; sodium; vanadium;     Show all 6 Subjects
Abstract:
... To realize the effect of Na⁺ pseudocapacitance on the sodium storage of cathode materials, clewlike carbon-coated sodium vanadium bronze (NaV₆O₁₅) nanotubes (Na-VBNT@C) were synthesized via a facile combined sol–gel/hydrothermal method. The resultant Na-VBNT@C delivers high reversible capacities of 209 and 105 mA h g–¹ at the rates of 0.1 and 10 C, respectively. Notably, at the higher rate of 5 C ...
DOI:
10.1021/acsami.8b20494

6. Tracing the terrain of Indigenous food sovereignties

Author:
Daigle, Michelle
Source:
TheJournal of peasant studies 2019 v.46 no.2 pp. 297-315
ISSN:
1743-9361
Subject:
harvesting,   etc   ; food sovereignty; foodways; landscapes; politics; Ontario;     Show all 6 Subjects
Abstract:
... Food sovereignty scholars are increasingly re-conceptualizing sovereignty by accounting for its diverse expressions across space according to specific histories, identities, and local socio-ecological realities and dynamics. In grappling with the multiple bases of sovereignty, attention has been directed toward Indigenous food sovereignty in North America. Specifically, food scholars are examining ...
DOI:
10.1080/03066150.2017.1324423

7. Generalized optimization method for energy conversion and storage efficiency of nanoscale flexible piezoelectric energy harvesters

Author:
Lü, Chaofeng; Zhang, Yangyang; Zhang, He; Zhang, Zhicheng; Shen, Mingzhou; Chen, Yisheng
Source:
Energy conversion and management 2019 v.182 pp. 34-40
ISSN:
0196-8904
Subject:
harvesting,   etc   ; biomechanics; energy conversion; guidelines; system optimization;     Show all 5 Subjects
Abstract:
... The energy conversion and storage efficiency was commonly ignored in experimental studies on nanoscale flexible piezoelectric energy harvesters (PEHs). In this study, we develop a generalized theoretical method to optimize the energy conversion and storage efficiencies of nanoscale flexible PEHs. The results are validated by comparisons with experimental measurements for various ambient excitation ...
DOI:
10.1016/j.enconman.2018.12.058

8. Analytical and numerical investigation of optimal harvest with a continuously age-structured model

Author:
Golubtsov, Peter; Steinshamn, Stein Ivar
Source:
Ecological modelling 2019 v.392 pp. 67-81
ISSN:
0304-3800
Subject:
harvesting,   etc   ; bioeconomic models; equations; fisheries; simulation models;     Show all 5 Subjects
Abstract:
... An age-structured bioeconomic model, which is completely continuous in age and time, is developed in order to compare with traditional discrete models. Both types have advantages and disadvantages. The continuous framework complements discrete models as it allows for deeper and more transparent analytical study and leads to analytical results that would be difficult to achieve within a discrete fr ...
DOI:
10.1016/j.ecolmodel.2018.11.010

9. An alternating nanoscale (hydrophilic–hydrophobic)/hydrophilic Janus cooperative copper mesh fabricated by a simple liquidus modification for efficient fog harvesting

Author:
Zhong, Lieshuang; Feng, Jing; Guo, Zhiguang
Source:
Journal of materials chemistry A 2019 v.7 no.14 pp. 8405-8413
ISSN:
2050-7496
Subject:
harvesting; water harvesting,   etc   ; artificial membranes; copper; copper nanoparticles; freshwater; hydrophilicity; wettability;     Show all 8 Subjects
Abstract:
... The cooperation of different fog harvesting mechanisms together is now a hot topic, which can improve the efficiency of fog harvesting. Apart from an efficient harvesting mechanism, easy and low-cost fabrication of a fog collector is also key to accessing fresh water for usage. Herein, for the first time, we endowed a copper mesh with bio-inspired nanoscale alternating hydrophobic–hydrophilic chem ...
DOI:
10.1039/c9ta01906e

10. Excimer Formation in Carboxylic Acid-Functionalized Perylene Diimides Attached to Silicon Dioxide Nanoparticles

Author:
Gorman, Jeffrey; Pandya, Raj; Allardice, Jesse R.; Price, Michael B.; Schmidt, Timothy W.; Friend, Richard H.; Rao, Akshay; Davis, Nathaniel J. L. K.
Source:
Journal of physical chemistry 2019 v.123 no.6 pp. 3433-3440
ISSN:
1932-7455
Subject:
harvesting; light harvesting complex,   etc   ; carboxylic acids; chemical structure; dyes; energy transfer; ligands; nanocrystals; nanoparticles; phenols; silica;     Show all 11 Subjects
Abstract:
... The creation of artificial light-harvesting complexes involves the ordered arrangement of chromophores in space. To guarantee efficient energy-transfer processes, organic dyes must be brought into close proximity, often leading to aggregation and the formation of excimer states. In recent years, the attachment of ligand-based chromophores to nanoparticles has also generated interest in relation to ...
DOI:
10.1021/acs.jpcc.8b12061

11. Effect of plant density and harvesting type on yield and quality of fresh and dried peppers and paprika

Author:
Velázquez, Rocío; Casquete, Rocío; Hernández, Alejandro; Martín, Alberto; Córdoba, María G; Coleto, José Miguel; Bartolomé, Teresa
Source:
Journal of the science of food and agriculture 2019 v.99 no.1 pp. 400-408
ISSN:
0022-5142
Subject:
manual harvesting; mechanical harvesting,   etc   ; Capsicum annuum; capsanthin; food processing; fruits; paprika; pepper; plant density; profitability; Spain;     Show all 11 Subjects
Abstract:
... BACKGROUND: Traditionally, peppers (Capsicum annuum L.) of Jaranda variety used for the production of smoked paprika are harvested manually in the north of Extremadura (Spain). Mechanical harvesting is necessary to improve the profitability of this crop. The present study aimed to evaluate the effect of plant density (D1 = 36 765 and D2 = 73 530 plants ha⁻¹) and harvesting type (manual or mechanic ...
DOI:
10.1002/jsfa.9201

12. Pattern selection in a predator-prey model with Michaelis–Menten type nonlinear predator harvesting

Author:
Chen, Mengxin; Wu, Ranchao; Liu, Biao; Chen, Liping
Source:
Ecological complexity 2018 v.36 pp. 239-249
ISSN:
1476-945X
Subject:
harvesting,   etc   ; equations; mathematical models;     Show all 3 Subjects
Abstract:
... In this paper, the effect of diffusion on pattern selection in a predator-prey model with Michaelis–Menten type predator nonlinear harvesting is investigated. From the analysis of stability and bifurcation, the stability of the positive equilibrium and the occurrence conditions for the Hopf bifurcation, as well as the Turing instability, are obtained. Consequently, different patterns will occur in ...
DOI:
10.1016/j.ecocom.2018.09.004

13. Catch-and-release regulations and paddlefish angler preferences

Author:
Cha, Wonkyu; Melstrom, Richard T.
Source:
Journal of environmental management 2018 v.214 pp. 1-8
ISSN:
0301-4797
Subject:
harvesting,   etc   ; fisheries; models; Oklahoma;     Show all 4 Subjects
Abstract:
... This paper presents research on recreational paddlefish anglers’ preferences for catch-and-release fishing. We used stated preference (SP) data from a choice experiment to identify the effect of a hypothetical catch-and-release regulation on fishing preferences, and revealed preference (RP) data to measure the desirability of actual paddlefish fishing locations. We then modeled the effects of catc ...
DOI:
10.1016/j.jenvman.2018.02.054

14. Impacts of declining discount rates on optimal harvest age and land expectation values

Author:
Brazee, Richard J.
Source:
Journal of forest economics 2018 v.31 pp. 27-38
ISSN:
1104-6899
Subject:
harvesting,   etc   ; discount rate; models;     Show all 3 Subjects
Abstract:
... Several national governments now require the discount rate for public projects with long planning horizons to decrease over the life of a project. Theoretical results that characterize the impacts of a declining discount rate on optimal harvest age and land expectation values in the Faustmann Model are presented. New results include: derivation of conditions for a sequences of optimal harvest ages ...
DOI:
10.1016/j.jfe.2017.06.002

15. Fog Harvesting with Harps

Author:
Shi, Weiwei; Anderson, Mark J.; Tulkoff, Joshua B.; Kennedy, Brook S.; Boreyko, Jonathan B.
Source:
ACS applied materials & interfaces 2018 v.10 no.14 pp. 11979-11986
ISSN:
1944-8252
Subject:
harvesting,   etc   ; droplets; freshwater; harvesters;     Show all 4 Subjects
Abstract:
... Fog harvesting is a useful technique for obtaining fresh water in arid climates. The wire meshes currently utilized for fog harvesting suffer from dual constraints: coarse meshes cannot efficiently capture microscopic fog droplets, whereas fine meshes suffer from clogging issues. Here, we design and fabricate fog harvesters comprising an array of vertical wires, which we call “fog harps”. Under co ...
DOI:
10.1021/acsami.7b17488

16. A sensitivity study on the effect of mass distribution of a single-tether spherical point absorber

Author:
Meng, Fantai; Cazzolato, Benjamin; Li, Ye; Ding, Boyin; Sergiienko, Natalia; Arjomandi, Maziar
Source:
Renewable energy 2019 v.141 pp. 583-595
ISSN:
0960-1481
Subject:
harvesting,   etc   ; energy industry; guidelines; kinematics; models; water power; Australia; France;     Show all 8 Subjects
Abstract:
... In previous work, a single-tether submerged spherical point absorber with asymmetric mass distribution (SPAMD) was proposed to enable harvesting wave energy induced by the surge and heave motion of the buoy. By taking advantage of the motion coupling arising from the asymmetric mass distribution of the buoy, the SPAMD was found to be up to 3 times more efficient than a generic single-tether point ...
DOI:
10.1016/j.renene.2019.03.149

17. Performance assessment of an advanced triple-cycle system based upon solid oxide fuel cells, vacuum thermionic generators and absorption refrigerators

Author:
Zhang, Houcheng; Wang, Jiatang; Wang, Fu; Zhao, Jiapei; Miao, He; Yuan, Jinliang
Source:
Energy conversion and management 2019 v.193 pp. 64-73
ISSN:
0196-8904
Subject:
harvesting,   etc   ; absorption; anodes; electrochemistry; fuel cells; heat; microstructure; refrigerators; temperature;     Show all 9 Subjects
Abstract:
... In addition to generate electricity, solid oxide fuel cells also produce a considerable quantity of high-quality waste heat. To harvest the waste heat, an advanced triple-cycle system based upon solid oxide fuel cells, vacuum thermionic generators and absorption refrigerators is theoretically put forward. Assuming that the main irreversible losses within the system are thermodynamic and electroche ...
DOI:
10.1016/j.enconman.2019.04.029

18. Creating illusion of discrete source array by simultaneously allocating thermal and DC fields with homogeneous media

Author:
Xu, Guoqiang; Zhou, Xue; Zhang, Haochun; Tan, He-Ping
Source:
Energy conversion and management 2019 v.187 pp. 546-553
ISSN:
0196-8904
Subject:
harvesting,   etc   ; energy conversion; resource allocation; solar cells; solar collectors;     Show all 5 Subjects
Abstract:
... Highly efficient conversions and utilizations are long-standing topics of interest in energy field. Owing to the unique potentials of metamaterial in regulating thermal and electrical behaviors, classical research on efficient energy utilization has been further motivated. However, current investigations are mostly implemented with single basic transformation, which lead to the simple functions on ...
DOI:
10.1016/j.enconman.2019.03.056

19. Three bulk density measurement methods provide different results for commercial scale harvests of willow biomass chips

Author:
Eisenbies, Mark H.; Volk, Timothy A.; Therasme, Obste; Hallen, Karl
Source:
Biomass and bioenergy 2019 v.124 pp. 64-73
ISSN:
0961-9534
Subject:
harvesting,   etc   ; biomass; bulk density; feedstocks; geometry; magnesium; models; wagons;     Show all 8 Subjects
Abstract:
... Bulk density is a key attribute of biomass feedstocks that affects both conversion processes and logistics. Reported bulk density for fresh willow chips ranges between 195 and 393 kg m−3 and it is unknown if standardized methods using several kg of chips scale effectively to collection vehicles that contain several Mg. The objective of this study was to compare three bulk density methods for 53 co ...
DOI:
10.1016/j.biombioe.2019.03.015

20. Transient dynamics: Equilibrium, collapse, and extinction in age-structured models. The case of the Northern cod stock

Author:
Maroto, José M.; Morán, Manuel
Source:
Ecological modelling 2019 v.398 pp. 35-43
ISSN:
0304-3800
Subject:
harvesting,   etc   ; Gadus morhua; cod (fish); extinction; models; survival rate;     Show all 6 Subjects
Abstract:
... Equilibrium-based methods are widely used in the literature on population ecology to analyze the sustainability of the management strategy. This approach fails to account for many factors such as age-specific natural mortality rates, the cohort survival rates, the possibility of extinction, the characterization of the equilibriums, their stability properties, and transient dynamics. We propose her ...
DOI:
10.1016/j.ecolmodel.2019.02.006