Results 41 to 50 of about 292,636 (314)

A modification of the mixed form of Richards equation and its application in vertically inhomogeneous soils [PDF]

open access: yes, 2011
Recently, new soil data maps were developed, which include vertical soil properties like soil type. Implementing those into a multilayer Soil-Vegetation-Atmosphere-Transfer (SVAT) scheme, discontinuities in the water content occur at the interface ...
Ahrens, Bodo, Kalinka, Frank
core   +2 more sources

Data‐Driven Bulldozer Blade Control for Autonomous Terrain Leveling

open access: yesAdvanced Robotics Research, EarlyView.
A simulation‐driven framework for autonomous bulldozer leveling is presented, combining high‐fidelity terramechanics simulation with a neural‐network‐based reduced‐order model. Gradient‐based optimization enables efficient, low‐level blade control that balances leveling quality and operation time.
Harry Zhang   +5 more
wiley   +1 more source

Profiles of Problematic Soils and Spatial Distribution: Implication on Foundation Construction in Parts of Kosofe Lagos, Southwestern Nigeria. [PDF]

open access: yes, 2018
Geotechnical data were complemented with geophysical investigation and employed to delineate problematic soils in parts of Kosofe Lagos, Southwestern Nigeria.
Bayewu, Olateju O.   +3 more
core  

Climate Change Threatens Micronutrient Density of European Winter Wheat

open access: yesAdvanced Science, EarlyView.
Micronutrients are vital for human health. Wheat is a major staple crop and a significant source of minerals and B‐vitamins. The impact of climate change on their content remains largely unknown. We evaluated micronutrient levels in European winter wheat grown under historical and projected climate conditions. Our findings indicate that future climates
Da Cao   +17 more
wiley   +1 more source

Aplicación de la teoría de seguridad al diseño de cimentaciones en arenas: Chequeo de linealidad Application of the safety theory to the design of foundations in sands: Checkup of the linear limit

open access: yesRevista Ingeniería de Construcción, 2007
En el presente trabajo se realiza el análisis de la seguridad para el diseño de cimentaciones superficiales en arenas por el método de los Estados Límites, a través de la aplicación de la Teoría de la Seguridad, llegando al reajuste de los coeficientes ...
Ana Virginia González Cueto Vila   +1 more
doaj  

Influences of fines content on cyclic resistance ratio of fines-sand-gravel mixtures

open access: yesYantu gongcheng xuebao, 2017
In the available researches on the cyclic resistance ratio (CRR) of saturated sand-gravel mixtures, the factors such as gravel content, sample preparation method, relative density and consolidation stress ratio have been considered.
WU Qi 1, CHEN Guo-xing 1,2, ZHOU Zheng-long 1, HUANG Bo 3
doaj   +1 more source

Central Anatolian terrestrial sand dunes: enhancing carbon sequestration by indigenous vegetation [PDF]

open access: yes, 2012
Assessment of the changes in natural resource quality requires long term monitoring. This study outlines the changes achieved in soils and vegetation quality in a sand dune area of Central Turkey maintained since ...
Akça, Erhan   +5 more
core  

Hijacking the Host Clock: A Nematode Effector Antagonizes Soybean Circadian Defense and Translation Control

open access: yesAdvanced Science, EarlyView.
Soybean employs its circadian clock, governed by GmCCA1, to rhythmically defend against soybean cyst nematodes. The pathogen retaliates by secreting the effector Hg4E02, which hijacks the clock to suppress defense and co‐opt the host's translation machinery for nutrient acquisition.
Xingwei Wang   +21 more
wiley   +1 more source

Characterization of bacterial diversity between two coastal regions with heterogeneous soil texture

open access: yesScientific Reports, 2022
Studying microbial diversity and the effects of external factors on the microbiome could expand our understanding of environmental alterations. Silt and sand are mineral particles that form soil texture and even though most of the soils on earth contain ...
Maryam Zakavi   +2 more
doaj   +1 more source

Application of wavelet analysis in tool wear evaluation using image processing method [PDF]

open access: yes, 2018
Tool wear plays a significant role for proper planning and control of machining parameters to maintain the product quality. However, existing tool wear monitoring methods using sensor signals still have limitations.
Lee, Woon Kiow   +5 more
core   +1 more source

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