Showing 1,341 - 1,360 results of 4,531 for search '"Q', query time: 0.06s Refine Results
  1. 1341

    An application to Kato's square root problem by Toka Diagana

    Published 2002-01-01
    “…We find all complex potentials Q such that the general Schrödinger operator on ℝn, given by L=−Δ+Q, where Δ is the Laplace differential operator, verifies the well-known Kato's square problem. …”
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    Article
  2. 1342

    Bibliometric Study of the National Scientific Production of All Peruvian Schools of Dentistry in Scopus by Frank Mayta-Tovalino, Josmel Pacheco-Mendoza, Ana Diaz-Soriano, Fernando Perez-Vargas, Arnaldo Munive-Degregori, Silvia Luza

    Published 2021-01-01
    “…In addition, it was found that, according to the share of publications per journal quartile by the CiteScore Percentile of all the public and private Peruvian Faculties of Dentistry, in 2019, it presented the highest number of scientific publications in all quartiles with 20,33,14 and 43 articles in the quartiles Q1, Q2, Q3, and Q4, respectively. The highest number of scientific publications was produced in 2019 with 20, 33, 14, and 43 articles in quartiles Q1, Q2, Q3, and Q4, respectively. …”
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  3. 1343

    The Frequency Dependence of Poisson’s Ratio in Fluid-Saturated Rocks by Liming Zhao, Tongjun Chen, Xin Zhang, Tao Xing

    Published 2022-01-01
    “…In addition, based on 1/Qν, we reanalyzed and validated the relationship between different attenuation modes (i.e., bulk attenuation 1/QK, P-wave attenuation 1/QP, extensional attenuation 1/QE, and S-wave attenuation 1/QS): (1) when 1/Qν is positive, the relationship between them is 1/QK>1/QP>1/QE>1/QS; when 1/Qν is 0, the relationship between them is 1/QK=1/QP=1/QE=1/QS; and when 1/Qν is negative, the relationship between them is 1/QK<1/QP<1/QE<1/QS. …”
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  4. 1344

    Periodic solutions for a class of perturbed sixth-order autonomous differential equations by Chems Eddine Berrehail, Amar Makhlouf

    Published 2025-01-01
    “…Purpose – The objective of this work is to study the periodic solutions for a class of sixth-order autonomous ordinary differential equations x(6)+(1+p2+q2)x… .+(p2+q2+p2q2)x¨+p2q2x=εF(x,ẋ,x¨,x…,x… .…”
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  5. 1345

    Development and Optimization of a Multiplex Real-Time RT-PCR to Detect SARS-CoV-2 in Human Samples by Camilo Castellar-Mendoza, María-Angélica Calderón-Peláez, Jaime E. Castellanos, Myriam L. Velandia-Romero, Carolina Coronel-Ruiz, Sigrid Camacho-Ortega, Lilia J. Bernal-Cepeda, Lady López-Ibarra, Jhann A. Arturo, Félix G. Delgado, Hernando Gutierrez-Barbosa, Sonia Bohorquez-Avila, Johanna Madroñero, Zayda L. Corredor-Rozo, Sandra J. Perdomo-Lara, Angela Fonseca-Benitez, Eliana Calvo

    Published 2024-01-01
    “…PCR and its variants (RT-PCR and qRT-PCR) are valuable and innovative molecular techniques for studying nucleic acids. qPCR has proven to be highly sensitive, efficient, and reproducible, generating reliable results that are easy to analyze. …”
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  6. 1346

    Interaction Effects of Tannic Acid and Gluten on Bread-Making and Its Starch Digestion by Seonghyeon Nam, Oguz K. Ozturk, Jongbin Lim

    Published 2025-01-01
    “…TA strongly interacted with gluten via non-covalent interactions, mainly hydrogen bonds, and formed the major hydrogen bonds with six different glutamines (Q32, Q108, Q313, Q317, Q317, and Q349), which play a critical role in gluten network construction among amino acid residues of gluten. …”
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  7. 1347

    Lessons from the High-resolution Spectroscopy of AW UMa and ϵ CrA: Is the Lucy Model Valid? by Slavek M. Rucinski

    Published 2025-01-01
    “…Pribulla & S. M. Rucinski, q _sp  = 0.101 ± 0.006, and remains substantially different from a cluster of generally accepted photometric results by several authors, concentrated around q _ph  = 0.080 ± 0.005. …”
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  8. 1348

    Iron(III)&ndash;Quercetin Complex: In Vivo Acute Toxicity and Biodistribution of Novel MRI Agent by Innuan P, Kongkarnka S, Thongtharb A, Kantapan J, Dechsupa N

    Published 2025-01-01
    “…IronQ is efficiently internalized by cells, enabling T1-weighted MRI tracking. …”
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    Article
  9. 1349

    On Transformation Involving Basic Analogue of Multivariable H-Function by Dinesh Kumar, Frédéric Ayant, Jessada Tariboon

    Published 2020-01-01
    “…In this article, fractional order q-integrals and q-derivatives involving a basic analogue of multivariable H-function have been obtained. …”
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  10. 1350

    Strauss’s Radial Compactness and Nonlinear Elliptic Equation Involving a Variable Critical Exponent by Masato Hashizume, Megumi Sano

    Published 2018-01-01
    “…We study existence of a nontrivial solution of -Δpu(x)+u(x)p-1=u(x)q(x)-1,  u(x)≥0,  x∈RN,  u∈Wrad1,p(RN), under some conditions on q(x), especially, lim inf|x|→∞ q(x)=p. …”
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  11. 1351

    Spectral properties of the Klein-Gordon s-wave equation with spectral parameter-dependent boundary condition by Gülen Başcanbaz-Tunca

    Published 2004-01-01
    “…We investigate the spectrum of the differential operator Lλ defined by the Klein-Gordon s-wave equation y″+(λ−q(x))2y=0, x∈ℝ+=[0,∞), subject to the spectral parameter-dependent boundary condition y′(0)−(aλ+b)y(0)=0 in the space L2(ℝ+), where a≠±i, b are complex constants, q is a complex-valued function. …”
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  12. 1352

    Matrix powers over finite fields by Maria T. Acosta-De-Orozco, Javier Gomez-Calderon

    Published 1992-01-01
    “…Let GF(q) denote the finite field of order q=pe with p odd. …”
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  13. 1353

    Further than Descartes’ rule of signs by Gati, Yousra, Kostov, Vladimir Petrov, Tarchi, Mohamed Chaouki

    Published 2024-10-01
    “…The sign pattern defined by the real polynomial $Q:=\Sigma _{j=0}^da_jx^j$, $a_j\ne 0$, is the string $\sigma (Q):=(\mathrm{sgn}(a_d),\ldots ,\mathrm{sgn}(a_0))$. …”
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  14. 1354

    Homogeneous-Like Generalized Cubic Systems by G. R. Nicklason

    Published 2016-01-01
    “…We consider properties and center conditions for plane polynomial systems of the forms x˙=-y-p1(x,y)-p2(x,y), y˙=x+q1(x,y)+q2(x,y) where p1, q1 and p2, q2 are polynomials of degrees n and 2n-1, respectively, for integers n≥2. …”
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  15. 1355

    Prediction of Lycii Cortex Quality Marker Based on Network Pharmacology and Chemometrics Methods by Xinrui Wang, Guotong Li, Haoqiang Ding, Xiqin Du, Lanying Zhang, Jingze Zhang, Dailin Liu

    Published 2024-01-01
    “…Based on the effectiveness, measurability, and traceability of the quality marker (Q-marker) theory of traditional Chinese medicine, the Q-marker of Lycii Cortex (LC) was preliminarily predicted and analyzed. …”
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  16. 1356

    Relative age effect across the talent identification process of youth female soccer players in the United States: Influence of birth year, position, biological maturation, and skil... by Laura Finnegan, Mirelle van Rijbroek, José M. Oliva-Lozano, Rick Cost, Matthew Andrew

    Published 2024-05-01
    “…A prevalent RAE for players born in Q1 was present in the full sample. A significant prevalence for Q1 players were identified for both Club and TID Center , but not YNT . …”
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  17. 1357

    Stress Testing of Steel Suspender of Arch Bridge Model Based on Induced Magnetic Flux Method by Guangyuan Weng, Liu Yang, Zhu Xiyu

    Published 2020-01-01
    “…To establish an online nondestructive stress testing method for arch bridge suspender based on the principle of magnetic coupling, the magnetic mechanical property of Q345qD steel is explored taking an arch bridge model structure with Q345qD steel suspender as the research object. …”
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  18. 1358
  19. 1359
  20. 1360

    Temperature Sensitivity Response of Soil Enzyme Activity to Simulated Climate Change at Growth Stages of Winter Wheat by Yaokun Jiang, Bingbing Lu, Meng Liang, Yang Wu, Yuanze Li, Ziwen Zhao, Guobin Liu, Sha Xue

    Published 2025-01-01
    “…Mild drought significantly decreased the soil N-cycling enzyme Q<sub>10</sub> in the early growth stage of winter wheat and the soil P-cycling enzyme Q<sub>10</sub> in each growth stage, but significantly increased the soil N-cycling enzyme Q<sub>10</sub> in the mature stage. …”
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