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  • 1
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    Gauge Theory of Elementary Particle Physics (2022)
    Oxford University Press
    Details
    Publication Date: 2024-04-05
    Description: The aim of this book is to provide student and researcher with a practical introduction to some of the principal ideas in gauge theories and their applications to elementary particle physics. Elementary particle physics has made remarkable progress. We have a comprehensive theory of particle interactions. One can argue that it gives a complete and correct description of all non-gravitational physics. This theory is based on the principle of gauge symmetry. Strong, weak, and electromagnetic interactions are all gauge interactions. A knowledge of gauge theory is essential for anyone interested in modern high energy physics. Regardless of the ultimate correctness of every detail of this theory, it is the framework within which new theoretical and experimental advances will be interpreted in the foreseeable future.
    Keywords: Particle physics, relativistic quantum field theory, gauge symmetry, strong interactions, weak interactions, electromagnetic interactions, principles of locality, causality, renormalizability ; thema EDItEUR::P Mathematics and Science::PH Physics::PHN Nuclear physics
    Language: English
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  • 2
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    Plant Protein and Proteome Altlas--Integrated Omics Analyses of Plants under Abiotic Stresses (2021)
    MDPI - Multidisciplinary Digital Publishing Institute
    Details
    Publication Date: 2024-04-05
    Description: Integrative omics of plants in response to stress conditions play more crucial roles in the post-genomic era. High-quality genomic data provide more deeper understanding of how plants to survive under environmental stresses. This book is focused on concluding the recent progress in the Protein and Proteome Atlas in plants under different stresses. It covers various aspects of plant protein ranging from agricultural proteomics, structure and function of proteins, and approaches for protein identification and quantification.
    Keywords: QH301-705.5 ; QK1-989 ; Q1-390 ; phosphoproteomics ; GLU1 ; somatic embryogenesis ; CHA-SQ-1 ; nitrogen fertilizer ; chilling stress ; differentially abundant proteins ; ATP synthase ; photosynthetic parameters ; photosynthesis ; constitutive splicing ; phosphorylation ; Jatropha curcas ; plants under stress ; postharvest freshness ; Alternanthera philoxeroides ; rubber latex ; Millettia pinnata ; molecular and biochemical basis ; filling kernel ; drought stress ; comparative proteomic analysis ; domain ; micro-exons ; phylogeny ; phos-tagTM ; E. angustifolia ; root cell elongation ; ABA ; pollen abortion ; lncRNA ; transcriptome ; radish ; redox homeostasis ; Nelumbo nucifera ; sugar beet ; shotgun proteomics ; proteomes ; high-temperature stress ; post-genomics era ; model plant ; salt tolerance ; miRNA ; wheat ; physiological response ; stress ; visual proteome map ; transcriptional dynamics ; leaf ; maize ; Dunaliella salina ; phosphatidylinositol ; S-adenosylmethionine decarboxylase ; Gossypium hirsutum ; flavonoid biosynthesis ; phosphatase ; wood vinegar ; heat shock proteins ; silicate limitation ; purine metabolism ; natural rubber biosynthesis ; ancient genes ; cotton ; rubber grass ; abiotic stress ; heat stress ; maturation ; low-temperature stress ; molecular basis ; transcriptome sequencing ; ROS scavenging ; widely targeted metabolomics ; transdifferentiation ; seed development ; alternative splicing ; cultivars ; inositol ; salt stress ; chlorophyll fluorescence parameters ; proteome ; carbon fixation ; AGPase ; transcript-metabolite network ; molecular mechanisms ; Triticum aestivum L. ; Zea mays L. ; ROS ; label-free quantification ; woody oilseed plants ; heat-sensitive spinach variety ; MIPS ; quantitative proteomics ; regulated mechanism ; two-dimensional gel electrophoresis ; potassium ; glutathione ; Salinity stress ; integrated omics ; diatom ; ATP synthase CF1 alpha subunit (chloroplast) ; root ; proteome atlas ; brittle-2 ; mass spectrometry ; genomics ; Taraxacum kok-saghyz ; cytomorphology ; proteomics ; arbuscular mycorrhizal fungi ; signaling pathway ; proteomic ; loss-of-function mutant ; rice ; seedling ; wucai ; leaf sheath ; root and shoot ; antioxidant enzyme ; exon-intron structure diversity ; isobaric tags for relative and absolute quantitation ; regulation and metabolism ; concerted network ; drought ; heat response ; VIGS ; iTRAQ ; nitrogen use efficiency (NUE) ; stem ; thema EDItEUR::P Mathematics and Science::PS Biology, life sciences
    Language: English
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  • 3
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    Gauge theory of elementary particle physics (2024)
    Oxford University Press
    Details
    Publication Date: 2024-04-11
    Description: Students of particle physics often find it difficult to locate resources to learn calculational techniques. Intermediate steps are not usually given in the research literature. To a certain extent, this is also the case even in some of the textbooks. In this book of worked problems we have made an effort to provide enough details so that a student starting in the field will understand the solution in each case. Our hope is that with this step-by-step guidance, students (after first attempting the solution themselves) can develop their skill, and confidence in their ability, to work out particle theory problems.
    Keywords: nuclear physics, mathematical and statistical physics, pure mathematics ; thema EDItEUR::P Mathematics and Science::PH Physics::PHS Statistical physics ; thema EDItEUR::P Mathematics and Science::PH Physics::PHF Materials / States of matter ; thema EDItEUR::P Mathematics and Science::PH Physics::PHF Materials / States of matter::PHFC Condensed matter physics (liquid state and solid state physics) ; thema EDItEUR::P Mathematics and Science::PH Physics::PHQ Quantum physics (quantum mechanics and quantum field theory) ; thema EDItEUR::P Mathematics and Science::PH Physics::PHK Electricity, electromagnetism and magnetism ; thema EDItEUR::P Mathematics and Science::PH Physics::PHU Mathematical physics
    Language: English
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  • 4
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    Vertebral bomb radiocarbon suggests extreme longevity in white sharks (2014)
    Public Library of Science
    Details
    Publication Date: 2022-05-25
    Description: This article is distributed free of all copyright. The definitive version was published in PLoS One 9 (2014): e84006, doi:10.1371/journal.pone.0084006.
    Description: Conservation and management efforts for white sharks (Carcharodon carcharias) remain hampered by a lack of basic demographic information including age and growth rates. Sharks are typically aged by counting growth bands sequentially deposited in their vertebrae, but the assumption of annual deposition of these band pairs requires testing. We compared radiocarbon (Δ14C) values in vertebrae from four female and four male white sharks from the northwestern Atlantic Ocean (NWA) with reference chronologies documenting the marine uptake of 14C produced by atmospheric testing of thermonuclear devices to generate the first radiocarbon age estimates for adult white sharks. Age estimates were up to 40 years old for the largest female (fork length [FL]: 526 cm) and 73 years old for the largest male (FL: 493 cm). Our results dramatically extend the maximum age and longevity of white sharks compared to earlier studies, hint at possible sexual dimorphism in growth rates, and raise concerns that white shark populations are considerably more sensitive to human-induced mortality than previously thought.
    Description: This study was funded by the National Science Foundation (OCE 0825148 was awarded to SRT) and LLH was supported by the National Science Foundation Graduate Research Fellowship Program.
    Repository Name: Woods Hole Open Access Server
    Type: Article
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  • 5
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    Age, movements, and feeding ecology of northwest Atlantic white sharks estimated from ecogeochemical profiles in vertebrae (2014)
    Massachusetts Institute of Technology and Woods Hole Oceanographic Institution
    Details
    Publication Date: 2022-05-25
    Description: Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy at the Massachusetts Institute of Technology and the Woods Hole Oceanographic Institution February 2014
    Description: White sharks (Carcharodon carcharias) are highly migratory, ecologically important, vulnerable, and understudied marine predators. Ecogeochemistry, which takes advantage of natural variations in chemical signatures recorded in body tissues, can help determine lifetime movement, age, and ontogenetic diet history in difficult to study species. Shark vertebrae are constructed of distinct layers of tissue laid down sequentially over an individual’s lifetime and may preserve a chemical record of environmental exposure. In this thesis, I investigate the ecology of the understudied northwest Atlantic (NWA) white shark population by applying several ecogeochemistry techniques to their vertebrae. I generate the first radiocarbon (Δ14C) age estimates for adult white sharks, dramatically extending the maximum age and longevity compared to earlier age studies. Δ14C results also verify a lack of reworking of vertebral material and hint at possible sexual dimorphism in growth rates. Using amino acid and bulk stable isotope analyses, I show that individual sharks have marked variation in feeding and movement, and that pinnipeds do not constitute a large portion of their diet. Finally, I explore the utility of elemental chemistry to retrospectively infer movement. This work provides an important informational baseline for future NWA white shark ecological studies and conservation and management efforts.
    Description: I received support from a National Science Foundation Graduate Research Fellowship and the WHOI Academic Programs Office. The research in this thesis was funded by a National Science Foundation Grant (OCE 0825148) to S. Thorrold. Additional support came from an ITCE (Inter-university Training for Continental-scale Ecology) Research in Residence Fellowship.
    Keywords: Environmental chemistry
    Repository Name: Woods Hole Open Access Server
    Type: Thesis
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  • 6
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    A review of ecogeochemistry approaches to estimating movements of marine animals (2014)
    Association for the Sciences of Limnology and Oceanography
    Details
    Publication Date: 2022-05-25
    Description: Author Posting. © Association for the Sciences of Limnology and Oceanography, 2013. This article is posted here by permission of Association for the Sciences of Limnology and Oceanography for personal use, not for redistribution. The definitive version was published in Limnology and Oceanography 58 (2013): 697-714, doi:10.4319/lo.2013.58.2.0697.
    Description: Ecogeochemistry—the application of geochemical techniques to fundamental questions in population and community ecology—has been used in animal migration studies in terrestrial environments for several decades; however, the approach has received far less attention in marine systems. This review includes comprehensive meta-analyses of organic zooplankton δ13C and δ15N values at the base of the food web, dissolved inorganic carbon δ13C values, and seawater δ18O values to create, for the first time, robust isoscapes for the Atlantic Ocean. These isoscapes present far greater geographic variability in multiple geochemical tracers than was previously thought, thus forming the foundation for reconstructions of habitat use and migration patterns of marine organisms. We review several additional tracers, including trace-element-to-calcium ratios and heavy element stable isotopes, to examine anadromous migrations. We highlight the value of the ecogeochemistry approach by examining case studies on three components of connectivity: dispersal and natal homing, functional connectivity, and migratory connectivity. We also discuss recent advances in compound-specific stable carbon and nitrogen isotope analyses for tracking animal movement. A better understanding of isotopic routing and fractionation factors, particularly of individual compound classes, is necessary to realize the full potential of ecogeochemistry.
    Description: We were supported by funding from the National Science Foundation (Division of Ocean Sciences–0825148 to S.R.T.), Award USA 00002 and KSA 00011 from the King Abdullah University of Science and Technology (to S.R.T.), and a National Science Foundation Graduate Research Fellowship (to L.H.).
    Repository Name: Woods Hole Open Access Server
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  • 7
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    The biogeographic pattern of microbial communities inhabiting terrestrial mud volcanoes across the Eurasian continent (2023)
    EGU-Copernicus
    Details
    Publication Date: 2023-02-28
    Description: Terrestrial mud volcanoes (MVs) represent the surface expression of conduits tapping fluid and gas reservoirs in the deep subsurface. Such plumbing channels provide a direct, effective means to extract deep microbial communities fueled by geologically produced gases and fluids. The drivers accounting for the diversity and composition of these MV microbial communities, which are distributed over a wide geographic range, remain elusive. This study characterized the variation in microbial communities in 15 terrestrial MVs across a distance of 10 000 km on the Eurasian continent to test the validity of distance control and physiochemical factors in explaining biogeographic patterns. Our analyses yielded diverse community compositions with a total of 28 928 amplicon sequence variances (ASVs) taxonomically assigned to 73 phyla. While no true cosmopolitan member was found, 85% of ASVs were confined within a single MV. Community variance between MVs appeared to be higher and more stochastically controlled than within MVs, generating a slope of the distance–decay relationship exceeding those for marine seeps and MVs as well as seawater columns. For comparison, physiochemical parameters explained 12% of community variance, with the chloride concentration being the most influential factor. Overall, the apparent lack of fluid exchange renders terrestrial MVs a patchy habitat, with microbiomes diverging stochastically with distance and consisting of dispersal-limited colonists that are highly adapted to the local environmental context.
    Description: Published
    Description: 831–843
    Description: 6A. Geochimica per l'ambiente e geologia medica
    Description: JCR Journal
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
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  • 8
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    Validated age and growth estimates for Carcharhinus obscurus in the northwestern Atlantic Ocean, with pre- and post management growth comparisons (2014)
    Springer
    Details
    Publication Date: 2022-05-26
    Description: This paper is not subject to U.S. copyright. The definitive version was published in Environmental Biology of Fishes 97 (2014): 881-896, doi:10.1007/s10641-013-0189-4.
    Description: Age and growth estimates for the dusky shark, Carcharhinus obscurus, were derived from vertebral centra collected in the northwestern Atlantic Ocean. Sample collection spanned the years prior to and following the implementation of management measures (1963–2010). Growth was compared pre- and post- population depletion and pre- and post- management to investigate the possibility of density-mediated shifts in age and growth parameters over time. There was no evidence of difference between periods for either sex. Additionally, bomb radiocarbon dating was used to determine the periodicity of band pair formation. Results support the traditional interpretation of annual band pairs up to approximately 11 years of age. After this time, vertebral counts considerably underestimate true age. Maximum validated ages were estimated to be between 38 and 42 years of age (an increase of 15 to 19 years over the band count estimates), confirming longevity to at least 42 years of age. Growth curves estimated using only validated data were compared to those generated using band pair counts. Logistic growth parameters derived from validated vertebral length-at-age data were L ∞  = 261.5 cm FL, L o  = 85.5 cm, t o  = 4.89 year and g = 0.15 year−1 for the sexes combined. Revised estimates of age at maturity were 17.4 years for males and 17.6 years for females.
    Keywords: Dusky shark ; Age and growth ; Elasmobranch ; Vertebrae ; Bomb radiocarbon ; Validation
    Repository Name: Woods Hole Open Access Server
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  • 9
    Electronic Resource
    Electronic Resource
    A hybrid system applied to epidemic screening (2000)
    Oxford, UK and Boston, USA : Blackwell Publishers Ltd
    Expert systems 17 (2000), S. 0 
    Details
    ISSN: 1468-0394
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Computer Science
    Notes: Although many knowledge-based systems (KBSs) focus on single-paradigm approaches to encoding knowledge (such as production rules), human experts rarely use a single type of knowledge to solve a real-world problem. A human expert usually combines a number of reasoning mechanisms. In recent years, rule-based reasoning (RBR), case-based reasoning (CBR) and model-based reasoning (MBR) have emerged as important and complementary reasoning methodologies in the intelligent systems area. For complex problem solving, it is useful to integrate RBR, CBR and MBR. In this paper, a hybrid epidemic screening KBS which integrates a deductive RBR system, an inductive CBR system and a quantitative MBR system is proposed. The system has been tested using real epidemic screening variables and data.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/1468-0394.00130
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  • 10
    Electronic Resource
    Electronic Resource
    Estimates of relativistic and interplanetary magnetic effects on precession and nutation - AAnS 34/1 (1993) 55-62
    Amsterdam : Elsevier
    Chinese Astronomy and Astrophysics 17 (1993), S. 360 
    Details
    ISSN: 0275-1062
    Keywords: Relativistic effect-precession-nutation
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0275-1062(93)90107-Z
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