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Mostrando 281 - 300 Resultados de 588 Para Buscar '"Circa"', tiempo de consulta: 0.17s Limitar resultados
  1. 281
    “…A previous autosomal STR study provided evidence of a connection between the ancient Soliga tribe at the southern tip of the Indian subcontinent and Australian aboriginal populations, possibly reflecting an eastbound coastal migration circa (15 Kya). The Soliga are considered to be among India's earliest inhabitants. …”
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    The Y-chromosome of the Soliga, an ancient forest-dwelling tribe of South India
  2. 282
    “…Extent and distribution of conduction delay (CD) and block (CD) across the entire right and left atrial surface was determined from circa 1880 unipolar electrogram recordings per patient. …”
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    The Effects of Valvular Heart Disease on Atrial Conduction During Sinus Rhythm
  3. 283
    por Kaiser, Mark J.
    Publicado 2021
    “…Regional development cost was $32.5/bbl since the start of production and is expected to fall to $22/bbl when recoverable volumes circa 2020 have been extracted. Average regional production cost from 2006 to 2019 is estimated at $23.4/bbl and ranges from $16.8/bbl at Hibernia to about $35/bbl at Terra Nova and White Rose. …”
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    A Review of Exploration, Development, and Production Cost Offshore Newfoundland
  4. 284
    “…The chi-square periodogram (CSP), developed over 40 years ago, continues to be one of the most popular methods to estimate the period of circadian (circa 24-h) rhythms. Previous work has indicated the CSP is sometimes less accurate than other methods, but understanding of why and under what conditions remains incomplete. …”
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    The risks of using the chi-square periodogram to estimate the period of biological rhythms
  5. 285
    “…On average we identified circa 9000 phosphosites per sample with both extraction methods. …”
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    Feasibility of Phosphoproteomics on Leftover Samples After RNA Extraction With Guanidinium Thiocyanate
  6. 286
    “…The results show that rowan berries contain circa 1.34–1.47 g/100 g of polyphenols among which include catechin, epicatechin, ferulic acid methyl ester, procyanidin B1, etc.; ca 21.65 mg/100 g of carotenoids including zeaxanthin, β-cryptoxanthin, all-trans-β-carotene, and various organic acids such as malic, citric, and succinic, which result in a high antioxidant activity of 5.8 mmol TE/100 g. …”
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    The Influence of Temperature, Storage Conditions, pH, and Ionic Strength on the Antioxidant Activity and Color Parameters of Rowan Berry Extracts
  7. 287
    “…The adsorption of lead ions with composites in an aqueous solution at pH 5 and 25 °C was circa 74% after 6 h of contact, as determined by MP-AES. …”
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    The Development and Characterization of a Cotton–Chitosan Composite for Lead Removal from Water
  8. 288
    “…This scenario resulted in a set of circa 8000 samples. The experimental results show that the proposed system for intelligent swimming analytics with wearable sensors effectively yields immediate feedback to coaches and swimmers based on real-time data analysis. …”
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    Framework for Intelligent Swimming Analytics with Wearable Sensors for Stroke Classification
  9. 289
    “…Here, we describe the distinct diel patterns of an endemic population of venomous sea snakes Hydrophis platurus xanthos inhabiting a narrow range (circa 320 km(2)) in Golfo Dulce, Costa Rica. To investigate, we conducted a systematic visual survey over five 24‐h cycles and evaluated 339 h of previously obtained sighting data from different studies spanning a decade. …”
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    Safe from sunburn: The divergent diel pattern of a Hydrophis sea snake
  10. 290
    “…Drawing lightly from Foucault's claims about disciplinary and biopolitical power, as well as on his anti‐prison activism, this paper explores three possibilities for penal transformation arising during the early months of COVID‐19 in UK prisons (circa March to August 2020). Consulting primary source material, these possibilities are respectively identified as “retrenching,” “reworking” or “reducing” the carceral. …”
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    Lockdown under lockdown? Pandemic, the carceral and COVID‐19 in British prisons
  11. 291
    “…To investigate different modes of signal integration by the circadian clock, we used Circa-SCOPE, a method we recently developed for high-throughput phase resetting analysis. …”
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    Input integration by the circadian clock exhibits nonadditivity and fold-change detection
  12. 292
    “…Here, we developed a global atlas of urban built-up heights circa 2015 at 500-m resolution from the Sentinel-1 Ground Range Detected satellite data. …”
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    Satellite mapping of urban built-up heights reveals extreme infrastructure gaps and inequalities in the Global South
  13. 293
    “…The repurposing of licenced drugs for use against COVID-19 is one of the most rapid ways to develop new and alternative therapeutic options to manage the ongoing pandemic. Given circa 7817 licenced compounds available from Compounds Australia that can be screened, this paper demonstrates the utility of commercially available ex vivo/3D airway and alveolar tissue models. …”
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    Use of Human Lung Tissue Models for Screening of Drugs against SARS-CoV-2 Infection
  14. 294
    “…Compared to RT, storage at 4 °C increased cellulase and xylanase half-life by circa 60 and 14%. Dietary FBE supplementation increased antioxidant activity and storage at 4 °C reduced antioxidant activity loss, while in the unsupplemented diet, antioxidant activity decreased to the same level in both storage temperatures. …”
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    Shelf-Life Performance of Fish Feed Supplemented with Bioactive Extracts from Fermented Olive Mill and Winery By-Products
  15. 295
    por Donato, Silvio
    Publicado 2013
    “…La ricerca del decadimento del bosone di Higgs H -> b b è uno dei canali più importanti per verificare se la particella di massa 125 GeV circa, recentemente scoperto da ATLAS e CMS, corrisponde effettivamente al bosone di Higgs previsto dal Modello Standard. …”
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    Sviluppo di un nuovo trigger con identificazione di quark-b per il canale Z($\nu\nu$)H(bb) nell'esperimento CMS ad LHC
  16. 296
    “…The HL-LHC program is expected to start circa 2027 and aims to increase the integrated luminosity delivered by the LHC by an order of magnitude at the collision energy of 14 TeV. …”
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    The scientific potential and technological challenges of the High-Luminosity Large Hadron Collider program
  17. 297
    “…In all species analyzed, the fraction of DNA repeats involved circa half of the genome. In relatively more ancient amphipods (most recent common ancestor, MRCA, existed approximately sixty millions years ago), the most abundant were species-specific repeats, while in much younger Baicaliidae (MRCA equal to ca. three millions years) most of the DNA repeats were shared among all four species. …”
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    Comparison of the evolutionary patterns of DNA repeats in ancient and young invertebrate species flocks of Lake Baikal
  18. 298
    “…The resultant materials, synthesized via a polymer-templated self-polymerization method, comprise a unique combination of ~5–7 nm-sized metal-sulfide nanoparticles that are interlinked to form a 3D open-pore structure with large internal surface area (up to 285 m(2) g(−1)) and uniform pores (circa 6–7 nm). By adjusting the ratio of constituent nanoparticles, the optimized ZnS/CdS catalyst with 50 wt.% ZnS content demonstrates a remarkable stability and visible light H(2)-evolution activity (~29 mmol g(−1) h(−1) mass activity) with an apparent quantum yield (AQY) of 60% at 420 nm. …”
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    Mesoporous Dual-Semiconductor ZnS/CdS Nanocomposites as Efficient Visible Light Photocatalysts for Hydrogen Generation
  19. 299
    “…Environmental conditions inside the dry aging cabinet determine a reduction of circa 3 log CFU/cm(2) of the considered microorganisms on the inner surface in 24 hours. …”
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    Reduction of the microbial load in meat maturation rooms with and without alkaline electrolyzed water fumigation
  20. 300
    “…The samples were examined to determine variations in stable isotope ratios along the length of the hair and across growth-lines of the enamel in teeth. We found recurring circa-annual periods of slow and fast rhythms in hydrogen isotope ratios in hair and carbon and oxygen isotope ratios in teeth. …”
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    Stable Isotope Ratios in Hair and Teeth Reflect Biologic Rhythms
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