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Articles 661 - 690 of 24230
Full-Text Articles in Physical Sciences and Mathematics
Nebraska Tractor Test: 2272 John Deere 5120m Powrquad Plus, Nebraska Tractor Test Lab
Nebraska Tractor Test: 2272 John Deere 5120m Powrquad Plus, Nebraska Tractor Test Lab
Nebraska Tractor Tests
ABOUT THE TEST REPORT AND USE OF THE DATA The test data contained in this report are a tabulation of the results of a series of tests. Due to the restricted format of these pages, only a limited amount of data and not all of the tractor specifications are included. The full OECD report contains usually about 30 pages of data and specifications. The test data were obtained for each tractor under similar conditions and therefore, provide a means of comparison of performance based on a limited set of reported data. EXPLANATION OF THE TEST PROCEDURES Purpose The purpose of …
Nebraska Tractor Test: 2270 John Deere 5095m Powrquad Plus, Nebraska Tractor Test Lab
Nebraska Tractor Test: 2270 John Deere 5095m Powrquad Plus, Nebraska Tractor Test Lab
Nebraska Tractor Tests
ABOUT THE TEST REPORT AND USE OF THE DATA The test data contained in this report are a tabulation of the results of a series of tests. Due to the restricted format of these pages, only a limited amount of data and not all of the tractor specifications are included. The full OECD report contains usually about 30 pages of data and specifications. The test data were obtained for each tractor under similar conditions and therefore, provide a means of comparison of performance based on a limited set of reported data. EXPLANATION OF THE TEST PROCEDURES Purpose The purpose of …
Nebraska Summary: S1243 Fendt 516 Vario Gen3, Nebraska Tractor Test Lab
Nebraska Summary: S1243 Fendt 516 Vario Gen3, Nebraska Tractor Test Lab
Nebraska Tractor Tests
ABOUT THE TEST REPORT AND USE OF THE DATA The test data contained in this report are a tabulation of the results of a series of tests. Due to the restricted format of these pages, only a limited amount of data and not all of the tractor specifications are included. The full OECD report contains usually about 30 pages of data and specifications. The test data were obtained for each tractor under similar conditions and therefore, provide a means of comparison of performance based on a limited set of reported data. EXPLANATION OF THE TEST PROCEDURES Purpose The purpose of …
Switchable Anomalous Hall Effects In Polar-Stacked 2d Antiferromagnet Mnbi2Te4, Tengfei Cao, Ding-Fu Shao, Kai Huang, Gautam Gurung, Evgeny Y. Tsymbal
Switchable Anomalous Hall Effects In Polar-Stacked 2d Antiferromagnet Mnbi2Te4, Tengfei Cao, Ding-Fu Shao, Kai Huang, Gautam Gurung, Evgeny Y. Tsymbal
Department of Physics and Astronomy: Faculty Publications
Van der Waals (vdW) assembly allows controlling symmetry of two-dimensional (2D) materials that determines their physical properties. Especially interesting is the recently demonstrated breaking inversion symmetry by polar layer stacking to realize novel electronic, magnetic, and transport properties of 2D vdW materials switchable by induced electric polarization. Here, based on symmetry analyses and density-functional calculations, we explore the emergence of the anomalous Hall effect (AHE) in antiferromagnetic MnBi2Te4 films assembled by polar layer stacking. We demonstrate that breaking 𝑃̂ 𝑇̂ symmetry in an MnBi2Te4 bilayer makes this 2D material magnetoelectric and produces a spontaneous AHE switchable by …
Anisotropic Optical And Magnetic Response In Self-Assembled Tin-Cofe2 Nanocomposites, Jiawei Song, Di Zhang, Ping Lu, Haohan Wang, X. S. Xu, Melissa L. Meyerson, Samantha G. Rosenberg, Julia Deitz, Juncheng Liu, Xuejing Wang, Xinghang Zhang
Anisotropic Optical And Magnetic Response In Self-Assembled Tin-Cofe2 Nanocomposites, Jiawei Song, Di Zhang, Ping Lu, Haohan Wang, X. S. Xu, Melissa L. Meyerson, Samantha G. Rosenberg, Julia Deitz, Juncheng Liu, Xuejing Wang, Xinghang Zhang
Department of Physics and Astronomy: Faculty Publications
Transition metal nitrides (e.g., TiN) have shown tremendous promise in optical metamaterials for nanophotonic devices due to their plasmonic properties comparable to noble metals and superior high temperature stability. Vertically aligned nanocomposites (VANs) offer a great platform for combining two dissimilar functional materials with a one-step deposition technique toward multifunctionality integration and strong structural/property anisotropy. Here we report a two-phase nanocomposite design combining ferromagnetic CoFe2 nanosheets in the plasmonic TiN matrix as a new hybrid plasmonic metamaterial. The hybrid metamaterials exhibit obvious anisotropic optical and magnetic responses, as well as a pronounced magneto-optical coupling response evidenced by MOKE measurement, …
Interface-Tuning Of Ferroelectricity And Quadruple-Well State In Cuinp2S6 Via Ferroelectric Oxide, Kun Wang, Du Li, Jia Wang, Yifei Hao, Hailey Anderson, Li Yang, Xia Hong
Interface-Tuning Of Ferroelectricity And Quadruple-Well State In Cuinp2S6 Via Ferroelectric Oxide, Kun Wang, Du Li, Jia Wang, Yifei Hao, Hailey Anderson, Li Yang, Xia Hong
Department of Physics and Astronomy: Faculty Publications
Ferroelectric van der Waals CuInP2S6 possesses intriguing quadruple-well states and negative piezoelectricity. Its technological implementation has been impeded by the relatively low Curie temperature (bulk TC ~42 °C) and the lack of precise domain control. Here we show that CuInP2S6 can be immune to the finite size effect and exhibits enhanced ferroelectricity, piezoelectricity, and polar alignment in the ultrathin limit when interfaced with ferroelectric oxide PbZr0.2Ti0.8O3 films. Piezoresponse force microscopy studies reveal that the polar domains in thin CuInP2S6 fully conform to those of underlying …
Interspecific Oral Rabies Vaccine Bait Competition In The Southeast United States, Wesley C. Dixon, Jacob E. Hill, Richard Chipman, Amy J. Davis, Amy Gilbert, James C. Beasley, Olin E. Rhodes Jr., Guha Dharmarajan
Interspecific Oral Rabies Vaccine Bait Competition In The Southeast United States, Wesley C. Dixon, Jacob E. Hill, Richard Chipman, Amy J. Davis, Amy Gilbert, James C. Beasley, Olin E. Rhodes Jr., Guha Dharmarajan
United States Department of Agriculture Wildlife Services: Staff Publications
The United States Department of Agriculture’s National Rabies Management Program (NRMP) has coordinated the use of oral rabies vaccination (ORV) to control the spread of raccoon rabies virus variant west of the Appalachian Mountains since 1997. Working with state and local partners, the NRMP deploys ORV baits containing a rabies vaccine, primarily targeting raccoon populations (Procyon lotor). Bait competition between raccoons and non-target species may limit the effectiveness of ORV programs, but the extent of bait competition remains poorly quantified, particularly in the southeastern United States. We placed placebo ORV baits in bottomland hardwood (n = 637 baits) and upland …
Tourism‑Supported Working Lands Sustain A Growing Jaguar Population In The Colombian Llanos, Matthew Hyde, Esteban Payán, Jorge Barragan, Diana Stasiukynas, Sanmantha Rincón, William L. Kendall, Jerónimo Rodríguez, Kevin R. Crooks, Stewart W. Breck, Valerie Boron
Tourism‑Supported Working Lands Sustain A Growing Jaguar Population In The Colombian Llanos, Matthew Hyde, Esteban Payán, Jorge Barragan, Diana Stasiukynas, Sanmantha Rincón, William L. Kendall, Jerónimo Rodríguez, Kevin R. Crooks, Stewart W. Breck, Valerie Boron
United States Department of Agriculture Wildlife Services: Staff Publications
Understanding large carnivore demography on human-dominated lands is a priority to inform conservation strategies, yet few studies examine long-term trends. Jaguars (Panthera onca) are one such species whose population trends and survival rates remain unknown across working lands. We integrated nine years of camera trap data and tourist photos to estimate jaguar density, survival, abundance, and probability of tourist sightings on a working ranch and tourism destination in Colombia. We found that abundance increased from five individuals in 2014 to 28 in 2022, and density increased from 1.88 ± 0.87 per 100 km2 in 2014 to 3.80 …
Confounding Effects Of Snow Cover On Remotely Sensed Vegetation Indices Of Evergreen And Deciduous Trees: An Experimental Study, R. Wang, K. R. Springer, John A. Gamon
Confounding Effects Of Snow Cover On Remotely Sensed Vegetation Indices Of Evergreen And Deciduous Trees: An Experimental Study, R. Wang, K. R. Springer, John A. Gamon
School of Natural Resources: Faculty Publications
No abstract provided.
Multi-Scale Sources Of Precipitation Predictability In The Northern Great Plains, C. M. Carrillo, Francisco Munoz-Arriola
Multi-Scale Sources Of Precipitation Predictability In The Northern Great Plains, C. M. Carrillo, Francisco Munoz-Arriola
School of Natural Resources: Faculty Publications
No abstract provided.
Survival And Growth Assessment After Reintroduction Of The Pocketbook Mussel, Lampsilis Cardium Rafinesque, 1820 Among Three Streams In Nebraska (Usa), F. Montesanto, L. M. Ohlman, Mark A. Pegg
Survival And Growth Assessment After Reintroduction Of The Pocketbook Mussel, Lampsilis Cardium Rafinesque, 1820 Among Three Streams In Nebraska (Usa), F. Montesanto, L. M. Ohlman, Mark A. Pegg
School of Natural Resources: Faculty Publications
No abstract provided.
Moving Beyond The Panarchy Heuristic, David G. Angeler, Craig R. Allen
Moving Beyond The Panarchy Heuristic, David G. Angeler, Craig R. Allen
School of Natural Resources: Documents and Reviews
No abstract provided.
Storms And Ph Of Dam Releases Affects Downstream Phosphorus Cycling In An Arid Regulated River, B. R. Deemer, R. H. Reibold, A. Fatta, J. R. Corman, C. B. Yackulic, S. C. Reed
Storms And Ph Of Dam Releases Affects Downstream Phosphorus Cycling In An Arid Regulated River, B. R. Deemer, R. H. Reibold, A. Fatta, J. R. Corman, C. B. Yackulic, S. C. Reed
School of Natural Resources: Documents and Reviews
No abstract provided.
Multi-Scale Adaptive Management Of Social-Ecological Systems, A. Garmestani, Craig R. Allen, D. G. Angeler, L. Gunderson, J. B. Ruhl
Multi-Scale Adaptive Management Of Social-Ecological Systems, A. Garmestani, Craig R. Allen, D. G. Angeler, L. Gunderson, J. B. Ruhl
School of Natural Resources: Documents and Reviews
No abstract provided.
Local-Scale Impacts Of Water Hyacinth On Water Quality In A Hypereutrophic Lake, J. R. Corman, A. Z. Roegner, Z. Ogari, T. R. Miller, C. M. Aura
Local-Scale Impacts Of Water Hyacinth On Water Quality In A Hypereutrophic Lake, J. R. Corman, A. Z. Roegner, Z. Ogari, T. R. Miller, C. M. Aura
School of Natural Resources: Documents and Reviews
No abstract provided.
Characterization Of Particulate Size Distributions And Water-Soluble Ions Measured At A Broiler Farm, P. J. Silva, T. Cress, R. Drover, C. Michael, G. Docekal, P. Larkin, A. Godoy, D. A. Cavero, C. Sin, J. Waites, Rezaul Mamood, M. Cohron, K. L. Purvis-Roberts
Characterization Of Particulate Size Distributions And Water-Soluble Ions Measured At A Broiler Farm, P. J. Silva, T. Cress, R. Drover, C. Michael, G. Docekal, P. Larkin, A. Godoy, D. A. Cavero, C. Sin, J. Waites, Rezaul Mamood, M. Cohron, K. L. Purvis-Roberts
School of Natural Resources: Documents and Reviews
No abstract provided.
Dynamic Field Programmable Logic-Driven Soft Exosuit, Frances Cleary, Witawas Srisa-An, David C. Henshall, Sasitharan Balasubramaniam
Dynamic Field Programmable Logic-Driven Soft Exosuit, Frances Cleary, Witawas Srisa-An, David C. Henshall, Sasitharan Balasubramaniam
School of Computing: Faculty Publications
The next generation of etextiles foresees an era of smart wearable garments where embedded seamless intelligence provides the ability to sense, process and perform. Core to this vision is embedded textile functionality enabling dynamic configuration. In this paper we detail a methodology, design and implementation of a dynamic field programmable logic-driven fabric soft exosuit. Dynamic field programmability allows the soft exosuit to alter its functionality and adapt to specific exercise programs depending on the wearers need. The dynamic field programmability is enabled through motion based control arm movements of the soft exosuit triggering momentary sensors embedded in the fabric exosuit …
A Markovian Error Model For False Negatives In Dnn-Based Perception-Driven Control Systems, Kruttidipta Samal, Thomas Walton, Tran Hoang-Dung, Marilyn Wolf
A Markovian Error Model For False Negatives In Dnn-Based Perception-Driven Control Systems, Kruttidipta Samal, Thomas Walton, Tran Hoang-Dung, Marilyn Wolf
School of Computing: Faculty Publications
vehicles and other perception-driven control systems. Many modern autonomous systems rely on DNN-driven perception-based control/ planning methodologies such as autonomous navigation, where the perception errors significantly affect the control/planning performance and the systems’ safety. The traditional independent, identically-distributed (IID) perception error model is inadequate for perception-based control/planning applications because image sequences supplied to a DNN-based perception module are not independent in the real world. Based on this observation, we develop a novel Markov model to describe the error behavior of a DNN perception model—an error in one frame is likely to signal errors in successive frames, effectively reducing sample rate …
Ethical Design Of Computers: From Semiconductors To Iot And Artificial Intelligence, Sudeep Pasricha, Marilyn Wolf
Ethical Design Of Computers: From Semiconductors To Iot And Artificial Intelligence, Sudeep Pasricha, Marilyn Wolf
School of Computing: Faculty Publications
Computing systems are tightly integrated today into our professional, social, and private lives. An important consequence of this growing ubiquity of computing is that it can have significant ethical implications of which computing professionals should take account. In most real-world scenarios, it is not immediately obvious how particular technical choices during the design and use of computing systems could be viewed from an ethical perspective. This article provides a perspective on the ethical challenges within semiconductor chip design, IoT applications, and the increasing use of artificial intelligence in the design processes, tools, and hardware-software stacks of these systems.
On Approximating Total Variation Distance, Arnab Bhattacharyya, Sutanu Gayen, Kuldeep S. Meel, Dimitrios Myrisiotis, A. Pavan, N. V. Vinodchandran
On Approximating Total Variation Distance, Arnab Bhattacharyya, Sutanu Gayen, Kuldeep S. Meel, Dimitrios Myrisiotis, A. Pavan, N. V. Vinodchandran
School of Computing: Faculty Publications
Total variation distance (TV distance) is a fundamental notion of distance between probability distributions. In this work, we introduce and study the problem of computing the TV distance of two product distributions over the domain {0, 1}n. In particular, we establish the following results.
- The problem of exactly computing the TV distance of two product distributions is #P-complete. This is in stark contrast with other distance measures such as KL, Chisquare, and Hellinger which tensorize over the marginals leading to efficient algorithms.
- There is a fully polynomial-time deterministic approximation scheme (FPTAS) for computing the TV distance of two …
Towards Modeling Human Attention From Eye Movements For Neural Source Code Summarization, Aakash Bansal, Bonita Sharif, Collin Mcmillan
Towards Modeling Human Attention From Eye Movements For Neural Source Code Summarization, Aakash Bansal, Bonita Sharif, Collin Mcmillan
School of Computing: Faculty Publications
Neural source code summarization is the task of generating natural language descriptions of source code behavior using neural networks. A fundamental component of most neural models is an attention mechanism. The attention mechanism learns to connect features in source code to specific words to use when generating natural language descriptions. Humans also pay attention to some features in code more than others. This human attention reflects experience and high-level cognition well beyond the capability of any current neural model. In this paper, we use data from published eye-tracking experiments to create a model of this human attention. The model predicts …
Co-Existence With Ieee 802.11 Networks In The Ism Band Without Channel Estimation, Muhammad Naveed Aman, Muhammad Ishfaq, Biplab Sikdar
Co-Existence With Ieee 802.11 Networks In The Ism Band Without Channel Estimation, Muhammad Naveed Aman, Muhammad Ishfaq, Biplab Sikdar
School of Computing: Faculty Publications
Any new deployment of networks in the industrial, scientific, and medical (ISM) band, even though it is license-free, has to co-exist with IEEE 802.11 networks. IoT devices are typically deployed in the ISM band, creating a spectrum bottleneck for competing networks. This paper investigates the issue of co-existence of wireless networks with WiFi networks. In our scenario, we consider WiFi as the “primary” or higher priority network co-existing with multiple “secondary” networks that may be used for low priority devices, with both networks operating in the ISM band. Towards this end, we first develop an analytical model for a metric …
Contrasting Photoprotective Responses Of Forest Trees Revealed Using Pri Light Responses Sampled With Airborne Imaging Spectrometry, J. A. Gamon, R. Wang, Sabrina E. Russo
Contrasting Photoprotective Responses Of Forest Trees Revealed Using Pri Light Responses Sampled With Airborne Imaging Spectrometry, J. A. Gamon, R. Wang, Sabrina E. Russo
School of Natural Resources: Faculty Publications
No abstract provided.
Stage Transitions In Lucilia Sericata And Phomia Regina (Diptera: Calliphoridae) And Implications For Forensic Science, A. Roe, R. J. Barnes, L. G. Higley, N. H. Haskell
Stage Transitions In Lucilia Sericata And Phomia Regina (Diptera: Calliphoridae) And Implications For Forensic Science, A. Roe, R. J. Barnes, L. G. Higley, N. H. Haskell
School of Natural Resources: Faculty Publications
No abstract provided.
Changing Blowfly (Diptera: Calliphoridae) Populations In Orlando, Florida, United States, A. Roe, R. J. Barnes, Leon G. Higley, N. H. Haskell
Changing Blowfly (Diptera: Calliphoridae) Populations In Orlando, Florida, United States, A. Roe, R. J. Barnes, Leon G. Higley, N. H. Haskell
School of Natural Resources: Faculty Publications
No abstract provided.
Ewe…Dung Beetles And Poop: A Nutrient Cycling And Population Ecology Lesson For Elementary Students, Leon G. Higley, D. A. Golick, P. M. Higley
Ewe…Dung Beetles And Poop: A Nutrient Cycling And Population Ecology Lesson For Elementary Students, Leon G. Higley, D. A. Golick, P. M. Higley
School of Natural Resources: Faculty Publications
No abstract provided.
A Review Of User Perceptions Of Drought Indices And Indicators Used In The Diverse Climates Of North America, R. R. Heim Jr, D. Bathke, B. Bonsal, E. W. Cooper, T. Hadwen, K. Kodama, D. Mcevoy, M. Muth, J. W. Nielsen-Gammon, H. R. Prendeville, R. P. Ramirez
A Review Of User Perceptions Of Drought Indices And Indicators Used In The Diverse Climates Of North America, R. R. Heim Jr, D. Bathke, B. Bonsal, E. W. Cooper, T. Hadwen, K. Kodama, D. Mcevoy, M. Muth, J. W. Nielsen-Gammon, H. R. Prendeville, R. P. Ramirez
School of Natural Resources: Faculty Publications
No abstract provided.
Teaching Agroecology: Preparing Students For Navigating Uncharted Territory, Charles A. Francis, Steve Gliessman
Teaching Agroecology: Preparing Students For Navigating Uncharted Territory, Charles A. Francis, Steve Gliessman
Department of Agronomy and Horticulture: Faculty Publications
Agroecologists understand that farming and food systems are more complex than the aggregation of their components. This realization drives our choices of learning strategies and activities that will prepare students for complexity and uncertainty. Our quest for a just, sustainable, and nutritious food system adequate to equitably serve everyone on the planet today and into the future is an enormous challenge. An undertaking of this magnitude will be met only with major adjustments informed by thoughtful teaching and practicing problem solving skills through a new educational lens. The principles of agroecology help us focus this lens on the wicked problems …
Flood-Inundation Maps For An 8-Mile Reach Of Papillion Creek Near Offutt Air Force Base, Nebraska, 2022, Kellan R. Strauch, Christopher M. Hobza
Flood-Inundation Maps For An 8-Mile Reach Of Papillion Creek Near Offutt Air Force Base, Nebraska, 2022, Kellan R. Strauch, Christopher M. Hobza
United States Geological Survey: Water Reports and Publications
Digital flood-inundation maps for an 8-mile reach of Papillion Creek near Offutt Air Force Base, Nebraska, were created by the U.S. Geological Survey (USGS) in cooperation with the U.S. Air Force, Offutt Air Force Base. The flood-inundation maps, which can be accessed through the USGS Flood Inundation Mapping Program website at https://www.usgs.gov/mission-areas/water-resources/science/flood-inundation-mapping-fim-program, depict estimates of the areal extent and depth of flooding corresponding to selected water levels (stages) at the USGS streamgages Papillion Creek at Fort Crook, Nebr. (station 06610795), and Papillion Creek at Harlan Lewis Road near La Platte, Nebr. (station 06610798). Near-real-time stages at these streamgages may …
Selected Anthropogenic Contaminants In Groundwater, Papio-Missouri River Natural Resources District, Eastern Nebraska, 1992–2020, Brent M. Hall, Cory L. Kavan, Amanda Flynn, Mikaela L. Cherry
Selected Anthropogenic Contaminants In Groundwater, Papio-Missouri River Natural Resources District, Eastern Nebraska, 1992–2020, Brent M. Hall, Cory L. Kavan, Amanda Flynn, Mikaela L. Cherry
United States Geological Survey: Water Reports and Publications
A study in cooperation with the Papio-Missouri River Natural Resources District was completed in 2019 to determine the concentration of contaminants of emerging concern (CEC) in groundwater in the Papio-Missouri River Natural Resources District, eastern Nebraska. Each well was sampled twice (in June and October or November) in 2019, totaling 34 samples. Samples were analyzed for 132 CECs, which include pharmaceutical, steroid hormone, and other organic chemicals. Seven of the 132 CEC analytes were detected in samples collected during this study. The most commonly detected CEC in this study was the antibiotic sulfamethoxazole. Other CECs detected in this study were …