Results 21 to 30 of about 8,803 (267)
Managing Artificially Drained Low-Gradient Agricultural Headwaters for Enhanced Ecosystem Functions
Biology, 2012 Large tracts of lowlands have been drained to expand extensive agriculture into areas that were historically categorized as wasteland. This expansion in agriculture necessarily coincided with changes in ecosystem structure, biodiversity, and nutrient ...
Reza Pezeshki +2 more
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Canadian Anaesthetists’ Society Journal, 1979 In a patient whose airway is in jeopardy after unsuccessful attempts at conservative measures to clear it and after failed attempts at intubation, the intravenous tubing connector spike may be considered as an emergency percutaneous tracheostomy device. It is readily available wherever physicians have intravenous solutions at hand.
openaire +2 more sources
Keep the Bursts and Ditch the Interleavers [PDF]
IEEE Transactions on Communications, 2020 6 ...
Wei An 0001 +2 more
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External Lines of the Early Bolgar Fortification
Поволжская археология, 2022 The second part of the article deals with the issues of tracing and dating the external line of the fortifications of the city of Bolgar, which existed in pre-Mongol times.
Koval Vladimir Yu. , Badeev Denis Yu.
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Case study for ditch cover with ultra-high-performance concrete
Case Studies in Construction Materials, 2022 The case study is to explore the ditch cover with ultra-high-performance concrete (UHPC) and mainly focuses on seven different contents of steel fibers (0, 0.5 %, 1 %, 1.5 %, 2 %, 2.5 %, 3 %) as variables.
Wei-Chien Wang +6 more
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Frontiers in Environmental ScienceTo improve productivity, extensive agricultural areas in the Midwest United States require drainage systems consisting of subsurface drainage (tile) and open ditches.
J. S. Strock, A. Z. Ranaivoson
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Ecosphere, 2020 Fertilization studies have elucidated basic principles of the role of nutrients in shaping plant communities and demonstrated the potential effects of anthropogenic nutrient deposition.
Carol Goodwillie +2 more
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Thermally Robust Spin–Orbit Torque Switching in Low‐Resistivity Mo‐Alloyed β‐W Heterostructures
Advanced Functional Materials, EarlyView.Mo‐alloyed β‐W heterostructures exhibit enhanced spin‐orbit torque efficiency, reduced resistivity and switching current density, and reliable operation from −50 to +150°C. The optimized W87.3Mo12.7 device achieves high spin Hall conductivity with thermal robustness, highlighting its potential for energy‐efficient magnetic memory and automotive ...
Han Seok Ko +7 more
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La motte médiévale de Drosnay (Marne) : résultats de deux sondages archéologiques
Revue Archéologique de l’Est, 2010 Two preliminary excavations carried out in 2008 and 2009 revealed part of an enclosure ditch belonging to a moat known since the 1800s, along with the remains of a stone building on its top.
Vincent Marchaisseau +3 more
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Agriculture, 2022 Open-ditch controlled drainage is an important water management measure used to reduce drought and waterlogging stress in many areas in the world. Such measures are essential to promote the crop yield, make full use of rainfall resources, reduce regional
Rong Tang +8 more
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