Mostrando 761 - 780 Resultados de 19,805 Para Buscar 'Pérmico~', tiempo de consulta: 3.47s Limitar resultados
  1. 761
    por Kim, Hyunjun, Hopwood, Jeffrey
    Publicado 2019
    “…Transmission spectra show electromagnetic waves traverse the composite medium from 1.3–1.7 GHz for which the permeability of the SRRs and the permittivity of the plasma are simultaneously negative. …”
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  2. 762
  3. 763
    por Choi, C. S., Joo, H. S., Molitor, T. W.
    Publicado 1990
    “…In this study, Kresse and KBSH isolates were passaged up to ten times in swine testicle (ST) cells at non-permissive temperatures, and at subsequent passage viral protein synthesis, viral DNA synthesis, and progeny virus were evaluated. …”
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  4. 764
    “…Six cell lines routinely used in laboratories were tested for permissiveness to the infection with the newly identified human coronavirus NL63. …”
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  5. 765
    “…Pernicious anemia (PA) is a rarely considered cause of anemia in HIV-infected population and is seldom on the list of differential diagnoses. …”
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  6. 766
  7. 767
    “…A secure architecture for key management based on smart contracts and permissioned blockchain to enhance security and availability in LoRaWAN networks is proposed. …”
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  8. 768
    “…We demonstrated that it is feasible to use a permissioned blockchain ledger for genomic query log data when data volume is on the order of hundreds of megabytes and query times of dozens of minutes is acceptable. …”
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  9. 769
    “…In this paper, we propose important safeguard measures against this threat by developing a framework of a quantum-secured, permissioned blockchain called Logicontract (LC). LC adopts a digital signature scheme based on Quantum Key Distribution (QKD) mechanisms and a vote-based consensus algorithm to achieve consensus on the blockchain. …”
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  10. 770
  11. 771
    “…Furthermore, there was a moderating effect of the permissive parenting style such that the positive association between worry and Internet addiction was stronger when the permissive parenting style was higher. …”
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  12. 772
    “…METHODS: We compared seven gun law permissiveness scales, varying by type and sources, for an enhanced understanding of the extent to which choice of a gun law permissiveness scale could affect studies related to gun violence outcomes in the United States. …”
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  13. 773
    “…Here, we report a quicker, simpler, and environmentally benign process to synthesize AgNPs by using an aqueous ‘root extract’ of Salvadora persica (Sp) plant as a reducing agent. The synthesized Salvadora persica nano particles (SpNPs) showed significantly higher antimicrobial efficacy compared to earlier reported studies. …”
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  14. 774
    “…Gastric cancer is one of the most common malignancies, often detected at later stages as patients remain asymptomatic until later stages. Pernicious anemia (PA), a well-known cause of vitamin B12 deficiency, is a classic risk factor for gastric cancer. …”
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  15. 775
    por Rao, Qingwen, Xu, Guanjun, Mao, Wangchen
    Publicado 2021
    “…In this paper, the detection of the lunar surface soil permittivity with megahertz electromagnetic (EM) waves by spaceborne radar is studied based on the EM scattering theory, the Boltzmann–Shukla equations, and the improved scattering matrix method (ISMM). …”
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  16. 776
    “…The co-occurrence of autoimmune hepatitis (AIH) and pernicious anemia (PA) is extremely rare. We present a case of a 70-year-old woman with AIH who presented for the evaluation of poor appetite and weight loss. …”
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  17. 777
    “…Industrial emissions play a major role in the global methane budget. The Permian basin is thought to be responsible for almost half of the methane emissions from all U.S. oil- and gas-producing regions, but little is known about individual contributors, a prerequisite for mitigation. …”
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  18. 778
    “…CT-scan and ultrasonography showed a large vascularized cervico-mediastinal mass, consistent with an intrathoracic ectopic goiter. …”
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  19. 779
  20. 780
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