Results 91 to 100 of about 1,252,823 (311)

Meta-analysis reveals ammonia-oxidizing bacteria respond more strongly to nitrogen addition than ammonia-oxidizing archaea [PDF]

open access: yes, 2016
Shifts in microbial communities driven by anthropogenic nitrogen (N) addition have broad-scale ecological consequences. However, responses of microbial groups to exogenous N supply vary considerably across studies, hindering efforts to predict community ...
Aronson, Emma L   +4 more
core   +1 more source

Anti‐Slip Material‐Based Strategies and Approaches

open access: yesAdvanced Materials Technologies, EarlyView.
This review highlights the principle mechanisms of slipping at the microscale, linking contact mechanics with a friction behavior model for surface interfaces. Main strategies to develop anti‐slip properties to the surfaces are discussed alongside standardized testing approaches.
Sogand Abbaspoor‐Zanjani   +3 more
wiley   +1 more source

Long-term Effects of Tillage on the Retention and Transport of Soil Water [PDF]

open access: yes, 1986
Quantitative measurements were made of the physical and chemical properties of two virgin prairie soils, Crowley and Jay, that remain in their native Arkansas environments and of similar soils that had been tilled extensively.
Miley, W. M., Scott, H. D., Wood, L. S.
core   +2 more sources

Emergent behavior of soil fungal dynamics:influence of soil architecture and water distribution [PDF]

open access: yes, 2012
Macroscopic measurements and observations in two-dimensional soil-thin sections indicate that fungal hyphae invade preferentially the larger, air-filled pores in soils. This suggests that the architecture of soils and the microscale distribution of water
Baveye, Philippe C.   +3 more
core   +3 more sources

3D Printed Omniphobic Slippery Liquid Infused Porous Surfaces for Low Surface Tension Repellency

open access: yesAdvanced Materials Technologies, EarlyView.
A 3D printing strategy fabricates omniphobic slippery liquid‐infused porous structures with lubricant reservoirs and interconnected microchannels. A post‐printing surface treatment modifies the porous surface to ensure compatibility with the infused fluorinated lubricant.
Noa Trink, Shlomo Magdassi
wiley   +1 more source

Tropical Tree Branch-Leaf Nutrient Scaling Relationships Vary With Sampling Location

open access: yesFrontiers in Plant Science, 2019
Bivariate relationships between plant tissue nutrient concentration have largely been studied across broad environmental scales regardless of their covariation with soil and climate.
Demetrius Lira-Martins   +7 more
doaj   +1 more source

Once despised now desired: innovative land use and management of multilayered Pumice Soils in the Taupo and Galatea areas, central North Island, New Zealand [PDF]

open access: yes, 2014
The tour brings together innovative land use change and management associated with dairy farming, and land-based effluent disposal, on weakly weathered and multi-layered, glass-rich, Pumice Soils (Vitrands) in the Taupo and Galatea areas.
Balks, Megan R.   +2 more
core   +1 more source

3D Printing of Soft Robotic Systems: Advances in Fabrication Strategies and Future Trends

open access: yesAdvanced Robotics Research, EarlyView.
Collectively, this review systematically examines 3D‐printed soft robotics, encompassing material selections, function integration, and manufacturing methodologies. Meanwhile, fabrication strategies are analyzed in order of increasing complexity, highlighting persistent challenges with proposed solutions.
Changjiang Liu   +5 more
wiley   +1 more source

IMPROVEMENT OF SHEAR STRENGTH DESIGN OF A ROAD STRUCTURE. PART 2. MODIFIED MODEL TO CALCULATE THE PRINCIPAL AND SHEAR STRESSES

open access: yesИнженерно-строительный журнал, 2016
Grounds for road pavements of granular materials are widely used in the practice of construction of roads in the world. Experimental studies of different loads, have shown that an adequate stress calculations using the formulas of continuum mechanics is ...
A.S. Aleksandrov   +2 more
doaj   +1 more source

An elastoplastic model for unsaturated expansive soils based on shakedown concept [PDF]

open access: yes, 2013
It is important to model the behaviour of unsaturated expansive soils subjected to hydromechanical loadings, because these wetting and drying cycles alter significantly their hydromechanical behaviour which may cause a huge differential settlement on the ...
Chazallon, C.   +2 more
core  

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