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Articles 1681 - 1710 of 15927
Full-Text Articles in Physical Sciences and Mathematics
An Assessment Of Development Opportunities Of Ship Recycling Facilities Based On The Shipbuilding Yards' Infrastructures In Vietnam, The Quyen Pham
An Assessment Of Development Opportunities Of Ship Recycling Facilities Based On The Shipbuilding Yards' Infrastructures In Vietnam, The Quyen Pham
World Maritime University Dissertations
No abstract provided.
A Study Of National Laws Of Vietnam On Compensation For Ship-Source Oil Pollution, Mai Thanh Truc Nguyen
A Study Of National Laws Of Vietnam On Compensation For Ship-Source Oil Pollution, Mai Thanh Truc Nguyen
World Maritime University Dissertations
No abstract provided.
The Significance Of Marine Autonomous Surface Ships: Prospects To The Philippine Maritime Industry, Dennis A. Pandeagua
The Significance Of Marine Autonomous Surface Ships: Prospects To The Philippine Maritime Industry, Dennis A. Pandeagua
World Maritime University Dissertations
No abstract provided.
A Co-Optimal Coverage Path Planning Method For Aerial Scanning Of Complex Structures, Zhexiong Shang, Justin Bradley, Zhigang Shen
A Co-Optimal Coverage Path Planning Method For Aerial Scanning Of Complex Structures, Zhexiong Shang, Justin Bradley, Zhigang Shen
Department of Construction Engineering and Management: Faculty Publications
The utilization of unmanned aerial vehicles (UAVs) in survey and inspection of civil infrastructure has been growing rapidly. However, computationally efficient solvers that find optimal flight paths while ensuring high-quality data acquisition of the complete 3D structure remains a difficult problem. Existing solvers typically prioritize efficient flight paths, or coverage, or reducing computational complexity of the algorithm – but these objectives are not co-optimized holistically. In this work we introduce a co-optimal coverage path planning (CCPP) method that simultaneously co-optimizes the UAV path, the quality of the captured images, and reducing computational complexity of the solver all while adhering to …
Social And Geographical Disparities In Twitter Use During Hurricane Harvey, Lei Zou, Nina S.N. Lam, Shayan Shams, Heng Cai, Michelle A. Meyer, Seungwon Yang, Kisung Lee, Seung Jong Park, Margaret A. Reams
Social And Geographical Disparities In Twitter Use During Hurricane Harvey, Lei Zou, Nina S.N. Lam, Shayan Shams, Heng Cai, Michelle A. Meyer, Seungwon Yang, Kisung Lee, Seung Jong Park, Margaret A. Reams
Computer Science Faculty Research & Creative Works
Social media such as Twitter is increasingly being used as an effective platform to observe human behaviors in disastrous events. However, uneven social media use among different groups of population in different regions could lead to biased consequences and affect disaster resilience. This paper studies the Twitter use during 2017 Hurricane Harvey in 76 counties in Texas and Louisiana. We seek to answer a fundamental question: did social-geographical disparities of Twitter use exist during the three phases of emergency management (preparedness, response, recovery)? We employed a Twitter data mining framework to process the data and calculate two indexes: Ratio and …
Functional Dissection Of The Chickpea (Cicer Arietinum L.) Stay-Green Phenotype Associated With Molecular Variation At An Ortholog Of Mendel’S I Gene For Cotyledon Color: Implications For Crop Production And Carotenoid Biofortification, Kaliamoorthy Sivasakthi, Edward Marques, Ng’Andwe Kalungwana, Noelia Carrasquilla-Garcia, Peter L. Chang, Emily M. Bergmann, Erika Bueno, Matilde Cordeiro, Syed Gul A.S. Sani, Sripada M. Udupa, Irshad A. Rather, Reyazul Rouf Mir, Vincent Vadez, George J. Vandemark, Pooran M. Gaur, Douglas R. Cook, Christine Boesch, Eric J.B. Von Wettberg, Jana Kholova, R. Varma Penmetsa
Functional Dissection Of The Chickpea (Cicer Arietinum L.) Stay-Green Phenotype Associated With Molecular Variation At An Ortholog Of Mendel’S I Gene For Cotyledon Color: Implications For Crop Production And Carotenoid Biofortification, Kaliamoorthy Sivasakthi, Edward Marques, Ng’Andwe Kalungwana, Noelia Carrasquilla-Garcia, Peter L. Chang, Emily M. Bergmann, Erika Bueno, Matilde Cordeiro, Syed Gul A.S. Sani, Sripada M. Udupa, Irshad A. Rather, Reyazul Rouf Mir, Vincent Vadez, George J. Vandemark, Pooran M. Gaur, Douglas R. Cook, Christine Boesch, Eric J.B. Von Wettberg, Jana Kholova, R. Varma Penmetsa
College of Agriculture and Life Sciences Faculty Publications
“Stay-green” crop phenotypes have been shown to impact drought tolerance and nutritional content of several crops. We aimed to genetically describe and functionally dissect the particular stay-green phenomenon found in chickpeas with a green cotyledon color of mature dry seed and investigate its potential use for improvement of chickpea environmental adaptations and nutritional value. We examined 40 stay-green accessions and a set of 29 BC2F4-5 stay-green introgression lines using a stay-green donor parent ICC 16340 and two Indian elite cultivars (KAK2, JGK1) as recurrent parents. Genetic studies of segregating populations indicated that the green cotyledon trait is controlled by a …
Watch Rugby World Cup 2019 Eng Vs Rsa Live Stream, Barni Craft
Watch Rugby World Cup 2019 Eng Vs Rsa Live Stream, Barni Craft
Barni Craft
Population Fragmentation Leads To Morpho-Functional Variation In British Red Squirrels (Sciurus Vulgaris), Philip G. Cox, Philip J.R. Morris, Andrew C. Kitchener
Population Fragmentation Leads To Morpho-Functional Variation In British Red Squirrels (Sciurus Vulgaris), Philip G. Cox, Philip J.R. Morris, Andrew C. Kitchener
Philip Morris
It is well-known that population fragmentation and isolation can lead to rapid morphological and functional divergence, with the effect being particularly well-documented in rodents. Here, we investigated whether such a phenomenon could be identified in the Eurasian red squirrel (Sciurus vulgaris), which was once widespread across the majority of Great Britain, but suffered a severe population decline across the 20th century, leaving a highly fragmented distribution. The aim was to test for morphological and biomechanical variation of the mandible between the remaining British red squirrel populations. Linear and geometric morphometric methods were used to analyse shape in …
Convergent Evolution In The Euarchontoglires, Philip J.R. Morris, Samuel N.F. Cobb, Philip G. Cox
Convergent Evolution In The Euarchontoglires, Philip J.R. Morris, Samuel N.F. Cobb, Philip G. Cox
Philip Morris
Convergence—the independent evolution of similar phenotypes in distantly related clades—is a widespread and much-studied phenomenon. An often-cited, but hitherto untested, case of morphological convergence is that between the aye-aye and squirrels. The aye-aye (Daubentonia madagascariensis) is a highly unusual lemuriform primate that has evolved a dentition similar to that of rodents: it possesses large, ever-growing incisors which it uses to strip the bark from trees in order to feed on wood-boring beetle larvae. Indeed, such is the similarity that some of the earliest classifications of the aye-aye placed it in the squirrel genus Sciurus. Here, we aimed …
Mechanical Significance Of Morphological Variation In Diprotodont Incisors, Philip J.R. Morris, Philip G. Cox, Samuel N. Cobb
Mechanical Significance Of Morphological Variation In Diprotodont Incisors, Philip J.R. Morris, Philip G. Cox, Samuel N. Cobb
Philip Morris
All rodents possess a single pair of enlarged incisors that grow throughout life. This condition (diprotodonty) is characteristic of Rodentia, but is also found in other mammals such as lagomorphs, hyraxes, the aye-aye and common wombat. This study surveyed lower incisor morphology across extant diprotodonts to examine shape variation within and between rodents and other diprotodonts, and to determine if tooth shape varies in a manner predictable from mechanics. Six linear and area variables were recorded from microCT scans of the mandibles of 33 diprotodont mammals. The curvature of the rodent lower incisors, as measured by the proportion of a …
Algebraic Frames And Ultrafilters, Papiya Bhattacharjee
Algebraic Frames And Ultrafilters, Papiya Bhattacharjee
Mathematics Colloquium Series
A frame, also known as pointfree topology, is a complete lattice that satisfies a strong distributive property, known as the 'frame law.' Originally, the study of frames began as studying topological spaces without points, hence the name pointfree topology. Due to this connection, different topological concepts can be generalized to frames, for example, compactness. In the first part of the talk, I will explain the basic notions of frames and their connection with topology. It turns out that we can find frame structure in other categories than topological spaces. For example, given a commutative ring R with identity, the lattice …
Vimentin Protects Cells Against Nuclear Rupture And Dna Damage During Migration, Alison E. Patteson, Amir Vahabikashi, Katarzyna Pogoda, Stephen A. Adam, Kalpana Mandal, Mark Kittisopikul, Suganya Sivagurunathan, Anne Goldman, Robert D. Goldman, Paul A. Janmey
Vimentin Protects Cells Against Nuclear Rupture And Dna Damage During Migration, Alison E. Patteson, Amir Vahabikashi, Katarzyna Pogoda, Stephen A. Adam, Kalpana Mandal, Mark Kittisopikul, Suganya Sivagurunathan, Anne Goldman, Robert D. Goldman, Paul A. Janmey
Physics - All Scholarship
Mammalian cells frequently migrate through tight spaces during normal embryogenesis, wound healing, diapedesis, or in pathological situations such as metastasis. Nuclear size and shape are important factors in regulating the mechanical properties of cells during their migration through such tight spaces. At the onset of migratory behavior, cells often initiate the expression of vimentin, an intermediate filament protein that polymerizes into networks extending from a juxtanuclear cage to the cell periphery. However, the role of vimentin intermediate filaments (VIFs) in regulating nuclear shape and mechanics remains unknown. Here, we use wild-type and vimentin-null mouse embryonic fibroblasts to show that VIFs …
The Role Of Eddies And Topography In The Export Of Shelf Waters From The West Antarctic Peninsula Shelf, J. Alexander Brearler, Caelos Moffat, Hugh J. Venables, Michael P. Meredith, Michael S. Dinniman
The Role Of Eddies And Topography In The Export Of Shelf Waters From The West Antarctic Peninsula Shelf, J. Alexander Brearler, Caelos Moffat, Hugh J. Venables, Michael P. Meredith, Michael S. Dinniman
CCPO Publications
Oceanic heat strongly influences the glaciers and ice shelves along West Antarctica. Prior studies show that the subsurface onshore heat flux from the Southern Ocean on the shelf occurs through deep, glacially carved channels. The mechanisms enabling the export of colder shelf waters to the open ocean, however, have not been determined. Here, we use ocean glider measurements collected near the mouth of Marguerite Trough (MT), west Antarctic Peninsula, to reveal shelf‐modified cold waters on the slope over a deep (2,700 m) offshore topographic bank. The shelf hydrographic sections show subsurface cold features (θ
Realtime Object Detection Via Deep Learning-Based Pipelines, James G. Shanahan, Liang Dai
Realtime Object Detection Via Deep Learning-Based Pipelines, James G. Shanahan, Liang Dai
Information Systems and Analytics Department Faculty Conference Proceedings
Ever wonder how the Tesla Autopilot system works (or why it fails)? In this tutorial we will look under the hood of self-driving cars and of other applications of computer vision and review state-of-the-art tech pipelines for object detection such as two-stage approaches (e.g., Faster R-CNN) or single-stage approaches (e.g., YOLO/SSD). This is accomplished via a series of Jupyter Notebooks that use Python, OpenCV, Keras, and Tensorflow. No prior knowledge of computer vision is assumed (although it will be help!). To this end we begin this tutorial with a review of computer vision and traditional approaches to object detection such …
Algorithm To Derive Inherent Optical Properties From Remote Sensing Reflectance In Turbid And Eutrophic Lakes, Kun Xue, Emmanuel Boss, Ronghua Ma, Ming Shen
Algorithm To Derive Inherent Optical Properties From Remote Sensing Reflectance In Turbid And Eutrophic Lakes, Kun Xue, Emmanuel Boss, Ronghua Ma, Ming Shen
Marine Sciences Faculty Scholarship
Inherent optical properties play an important role in understanding the biogeochemical processes of lakes by providing proxies for a variety of biogeochemical quantities, including phytoplankton pigments. However, to date, it has been difficult to accurately derive the absorption coefficient of phytoplankton [aph(λ)] in turbid and eutrophic waters from remote sensing. A large dataset of remote sensing of reflectance [ Rrs (λ)] and absorption coefficients was measured for samples collected from lakes in the middle and lower reaches of the Yangtze River and Huai River basin (MLYHR), China. In the process of scattering correction of spectrophotometric measurements, the particulate absorption coefficients …
Be The Change: Re-Ignite Student’S Passion For Problem Solving & Mathematics, Joseph Bolz, Marti Shirley
Be The Change: Re-Ignite Student’S Passion For Problem Solving & Mathematics, Joseph Bolz, Marti Shirley
Faculty Publications & Research
Outcomes!
- I will be able to facilitate an open ended and open middle problems in the classroom, complete with questioning techniques and student prompts.
- I will experience how to modify a textbook problem into a richer open task that encourages discussion and multiple approaches, with a focus on tailoring them to real world applications.
- I will leave with a list of questions, perfect for posing to students while engaged in the problem solving process, and also useful for any class period when students are lacking persistence
Designing A Global Mechanism For Intergovernmental Biodiversity Financing, Nils Droste, Joshua Farley, Irene Ring, Peter H. May, Taylor H. Ricketts
Designing A Global Mechanism For Intergovernmental Biodiversity Financing, Nils Droste, Joshua Farley, Irene Ring, Peter H. May, Taylor H. Ricketts
Rubenstein School of Environment and Natural Resources Faculty Publications
The Convention on Biological Diversity and the Nagoya Protocol display a broad international consensus for biodiversity conservation and equitable benefit sharing. Yet, the Aichi biodiversity targets show a lack of progress and thus indicate a need for additional action such as enhanced and better targeted financial resource mobilization. To date, no global financial burden-sharing instrument has been proposed. Developing a global-scale financial mechanism to support biodiversity conservation through intergovernmental transfers, we simulate three allocation designs: ecocentric, socioecological, and anthropocentric. We analyze the corresponding incentives needed to reach the Aichi target of terrestrial protected area coverage by 2020. Here we show …
Genotype-Specific Effects Of Ericoid Mycorrhizae On Floral Traits And Reproduction In Vaccinium Corymbosum, Alison K. Brody, Benjamin Waterman, Taylor H. Ricketts, Allyson L. Degrassi, Jonathan B. González, Jeanne M. Harris, Leif L. Richardson
Genotype-Specific Effects Of Ericoid Mycorrhizae On Floral Traits And Reproduction In Vaccinium Corymbosum, Alison K. Brody, Benjamin Waterman, Taylor H. Ricketts, Allyson L. Degrassi, Jonathan B. González, Jeanne M. Harris, Leif L. Richardson
Rubenstein School of Environment and Natural Resources Faculty Publications
American Journal of Botany is published by Wiley Periodicals, Inc. on behalf of the Botanical Society of America. Premise: Most plants interact with mycorrhizal fungi and animal pollinators simultaneously. Yet, whether mycorrhizae affect traits important to pollination remains poorly understood and may depend on the match between host and fungal genotypes. Here, we examined how ericoid mycorrhizal fungi affected flowering phenology, floral traits, and reproductive success, among eight genotypes of highbush blueberry, Vaccinium corymbosum (Ericaceae). We asked three overarching questions: (1) Do genotypes differ in response to inoculation? (2) How does inoculation affect floral and flowering traits? (3) Are inoculated …
Editorial-The 9th International Workshop On Modeling The Ocean (Iwmo 2017) In Seoul, Korea, July 3–6, 2017, Lie-Yauw Oey, Yign Noh, Jarle Berntsen, Sung Yong Kim, Humio Mitsudera, Tal Ezer
Editorial-The 9th International Workshop On Modeling The Ocean (Iwmo 2017) In Seoul, Korea, July 3–6, 2017, Lie-Yauw Oey, Yign Noh, Jarle Berntsen, Sung Yong Kim, Humio Mitsudera, Tal Ezer
CCPO Publications
(First paragraph) The 9th International Workshop on Modeling the Ocean (IWMO 2017) was held in the modern campus of Yonsei University, Seoul, Korea, from July 3–6 2017. The workshop was attended by about 80 participants from countries all around the world, many of whom were young and earliercareer scientists: students and postdocs. Papers were presented covering a broad range oftopics on field observations, analyses, and modeling: wave and air-sea interaction dynamics, climate variability, basin-scale processes and coastal oceanography, sea-ice dynamics, sediment transport, tropical cyclones, biogeochemical-physical coupling, boundary currents, sea-level rise, extreme events, ocean prediction and others. We were pleased to …
Gamma Ray Flashes Produced By Lightning Observed At Ground Level By Tetra-Ii, D. J. Pleshinger, S. T. Alnussirat, J. Arias, S. Bai, Y. Banadaki, M. L. Cherry, Anderson Sunda-Meya
Gamma Ray Flashes Produced By Lightning Observed At Ground Level By Tetra-Ii, D. J. Pleshinger, S. T. Alnussirat, J. Arias, S. Bai, Y. Banadaki, M. L. Cherry, Anderson Sunda-Meya
Faculty and Staff Publications
In its first 2 years of operation, the ground-based Terrestrial gamma ray flash and Energetic Thunderstorm Rooftop Array (TETRA)-II array of gamma ray detectors has recorded 22 bursts of gamma rays of millisecond-scale duration associated with lightning. In this study, we present the TETRA-II observations detected at the three TETRA-II ground-level sites in Louisiana, Puerto Rico, and Panama together with the simultaneous radio frequency signals from the lightning data sets VAISALA Global Lightning Dataset, VAISALA National Lightning Detection Network, Earth Networks Total Lightning Network, andWorld Wide Lightning Location Network. The relative timing between the gamma ray events and the lightning …
The Firece Green Fire: Vol. 10 Issue 8, Wofford College Environmental Studies Program
The Firece Green Fire: Vol. 10 Issue 8, Wofford College Environmental Studies Program
The Fierce Green Fire
No abstract provided.
Turbidity And Ion Concentrations Vary With Land Use And Underlying Geology At The West Fork Of The White River, Erin E. Scott, Brian E. Haggard
Turbidity And Ion Concentrations Vary With Land Use And Underlying Geology At The West Fork Of The White River, Erin E. Scott, Brian E. Haggard
Technical Reports
The West Fork of the White River (WFWR) watershed in northwest Arkansas is a trans-ecoregion watershed and is experiencing land-use changes, especially in the downstream portion of the watershed. The entire 54-km long river has been on the State’s 303(d) list of impaired waterbodies for turbidity, total dissolved solids (TDS), and sulfate for many years. The purpose of this study was to identify which part(s) of the river fail to meet applicable water quality standards (WQS) and to investigate possible sources of pollutants, whether human-caused or naturally occurring. Water samples were collected once or twice a month at 9 sites …
Vegetation Classification And Mapping, Niobrara National Scenic River, Tom Baldvins, Matt Ley, Joe Stevens, David Jones, Hannah Pilkington
Vegetation Classification And Mapping, Niobrara National Scenic River, Tom Baldvins, Matt Ley, Joe Stevens, David Jones, Hannah Pilkington
United States National Park Service: Publications
Executive Summary
The vegetation inventory project at Niobrara National Scenic River (NIOB) classified and mapped vegetation within the park administrative boundary and estimated thematic map accuracy quantitatively. The project was conducted over a four year period from the summer of 2015 to the winter of 2019. Located in north-central Nebraska, approximately 76 miles of the park is designated as a wild and scenic river. The vast majority of land within the NIOB administrative boundary is private or state-owned.
The project follows guidance provided by the National Park Service (NPS) Vegetation Mapping Inventory (VMI) Program. The overall process includes initial planning …
Gulf Of Mexico Hypoxia: Past, Present, And Future, Nancy N. Rabalais, R. Eugene Turner
Gulf Of Mexico Hypoxia: Past, Present, And Future, Nancy N. Rabalais, R. Eugene Turner
Faculty Publications
One of the largest human-caused areas of bottom-water oxygen deficiency in the coastal ocean is on the northern Gulf of Mexico continental shelf adjacent to the Mississippi River, which discharges nitrogen and phosphorus loads into its surface waters. The beginnings of seasonal hypoxia (≤2 mg l−1 dissolved oxygen) in this area was in the 1950s with an acceleration in the worsening of severity during the 1970s. Currently, the bottom area of hypoxic areas can approach 23,000 km2, and the volume, 140 km3. Ecosystems, people, and economies are now at risk within the Mississippi River watershed and in the northern Gulf …
Grids & Datums, Clifford J. Mugnier
Integrating Geochronologic And Instrumental Approaches Across The Bengal Basin, Carol Wilson
Integrating Geochronologic And Instrumental Approaches Across The Bengal Basin, Carol Wilson
Faculty Publications
Constraining time is of critical importance to evaluating the rates and relative contributions of processes driving landscape change in sedimentary basins. The geomorphic character of the field setting guides the application of geochronologic or instrumental tools to this problem, because the viability of methods can be highly influenced by geomorphic attributes. For example, sediment yield and the linked potential for organic preservation may govern the usefulness of radiocarbon dating. Similarly, the rate of sediment transport from source to sink may determine the maturity and/or light exposure of mineral grains arriving in the delta and thus the feasibility of luminescence dating. …
Emergent Functional Behaviour Of Humic Substances Perceived As Complex Labile Aggregates Of Small Organic Molecules And Oligomers, Robert L. Cook
Emergent Functional Behaviour Of Humic Substances Perceived As Complex Labile Aggregates Of Small Organic Molecules And Oligomers, Robert L. Cook
Faculty Publications
The structural organisation of humic substances (HS) has been a central question of earth sciences for several decades. The latest experimental results have led to the recognition of HS as complex mixtures of small molecules and oligomers. We investigate the correlation between the chemical composition of HS, perceived as labile aggregates, and the emergent functions. Computational modelling was used to help to understand the processes and mechanisms on the molecular scale that occur in different fractions of the HS, fulvic acids (FA) and humic acids (HA), as they interact with metal ions and organic pollutants. The importance of non-covalent interactions …
Detection Of Chalk In Single Kernels Of Long-Grain Milled Rice Using Imaging And Visible/Near-Infrared Instruments, Christopher K. Addison
Detection Of Chalk In Single Kernels Of Long-Grain Milled Rice Using Imaging And Visible/Near-Infrared Instruments, Christopher K. Addison
Faculty Publications
Background and objectives To maintain the competitiveness of U.S. long-grain rice in U.S. and foreign markets, having translucent whole milled grain is critical. An objective technique to detect grain chalk, opaque areas in the grain, will provide breeders and industry with an effective tool for developing low-chalk varieties or agronomic practices that reduce chalk occurrence. Two instruments developed at the Center for Grain and Animal Health Research, U.S. Department of Agriculture-Agricultural Research Service (USDA-ARS), a single-kernel near-infrared (SKNIR) tube instrument and a silicon-based light-emitting diode (SiLED) high-speed sorter, were compared with two commercially available imaging instruments, WinSEEDLE and SeedCount used …
The Power Of Wording: An Evaluation Of Framing Effects, Chelsea Romph
The Power Of Wording: An Evaluation Of Framing Effects, Chelsea Romph
Honors Theses
No abstract provided.
Economic Design Of Acceptance Sampling Plans For Truncated Life Tests Using Three-Parameter Lindley Distribution, Amer Ibrahim Al-Omari, Enrico Ciavolino, Amjad D. Al-Nasser
Economic Design Of Acceptance Sampling Plans For Truncated Life Tests Using Three-Parameter Lindley Distribution, Amer Ibrahim Al-Omari, Enrico Ciavolino, Amjad D. Al-Nasser
Journal of Modern Applied Statistical Methods
A single acceptance sampling plan for the three-parameter Lindley distribution under a truncated life test is developed. For various consumer’s confidence levels, acceptance numbers, and values of the ratio of the experimental time to the specified average lifetime, the minimum sample size important to assert a certain average lifetime are calculated. The operating characteristic (OC) function values as well as the associated producer’s risks are also provided. A numerical example is presented to illustrate the suggested acceptance sampling plans.