Showing 1,321 - 1,340 results of 2,536 for search '"pi"', query time: 0.06s Refine Results
  1. 1321
  2. 1322

    Improved Dynamic Response of a Single-Phase-Integrated KY Boost Converter with an MLI System of a DC-AC Converter in Motor Speed Regulation by V. Mohan, K. Nandakumar

    Published 2023-01-01
    “…Moreover, the authors considered a closed-loop response of the KBC-MLI system with a proportional integral (PI) controller and a fractional-order PID (FOPID) Controller. …”
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  3. 1323

    Decentralized Control for Scalable Quadcopter Formations by Qasim Ali, Sergio Montenegro

    Published 2016-01-01
    “…Position control for quadcopters in one of the formations has been implemented through a Linear Quadratic Regulator Proportional Integral (LQR PI) control scheme based on explicit model following scheme. …”
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  4. 1324

    Alcohol use and HIV suppression after completion of financial incentives for alcohol abstinence and isoniazid adherence: a randomized controlled trialResearch in context by Winnie R. Muyindike, Robin Fatch, Sara Lodi, Nneka I. Emenyonu, Allen Kekibiina, Julian Adong, Brian Beesiga, Kara Marson, Harsha Thirumurthy, Michael G. McDonell, Moses R. Kamya, Gabriel Chamie, Judith A. Hahn

    Published 2025-02-01
    “…Funding: National Institutes of Health (NIH/NIAAA) U01AA026223 (PI: Hahn) and U01AA026221 (PI: Chamie), NIH/NIAAA K24 AA022586 (PI: Hahn), NIH/NIAAA K24 AA031211 (PI: Chamie), Providence/Boston Center for AIDS Research P30AI042853 (PI: Sara Lodi).…”
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  5. 1325

    Development and validation of a novel artificial intelligence algorithm for precise prediction the postoperative prognosis of esophageal squamous cell carcinoma by Zichen Wang, Zhihan Xiao, Tongyu Zhang, Meiyou Lu, Hai Li, Jing Cao, Jianan Zheng, Yichan Zhou, Juncheng Dai, Cheng Wang, Liang Chen, Jing Xu

    Published 2025-01-01
    “…Then we systematically screen piRNAs associated with esophageal carcinoma based on GWAS, eQTL-piRNA, and i2OM databases, and successfully discovered 8 piRNAs potentially regulated by HENMT1. …”
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  6. 1326

    Effectiveness of Mobile Health–Based Gamification Interventions for Improving Physical Activity in Individuals With Cardiovascular Diseases: Systematic Review and Meta-Analysis of... by Tianzhuo Yu, Monica Parry, Tianyue Yu, Linqi Xu, Yuejin Wu, Ting Zeng, Xin Leng, Qian Tong, Feng Li

    Published 2025-01-01
    “…Meta-analysis of 5 studies revealed a small effect of gamification interventions on short-term PA (after sensitivity analysis: Hedges g=0.32, 95% CI 0.19-0.45, 95% prediction interval [PI] 0.02-0.62). Meta-analysis of 3 studies found the maintenance effect (measured with follow-up averaging 2.5 months after the end of the intervention) was small (Hedges g=0.20, 95% CI 0.12-0.29, 95% PI –0.01 to 0.41). …”
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  7. 1327

    The cerebral blood flow response to neuroactivation is reduced in cognitively normal men with β-amyloid accumulation by Mark Bitsch Vestergaard, Aftab Bakhtiari, Merete Osler, Erik Lykke Mortensen, Ulrich Lindberg, Ian Law, Martin Lauritzen, Krisztina Benedek, Henrik Bo Wiberg Larsson

    Published 2025-01-01
    “…Brain Aβ accumulation and cerebral glucose metabolism were assessed by PET imaging using the radiotracers [11C]Pittsburgh Compound-B (PiB) and [18F]Fluorodeoxyglucose (FDG), respectively. …”
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  8. 1328

    Cytotoxicity Potential of Endophytic Fungi Extracts from Terminalia catappa against Human Cervical Cancer Cells by Michèle Stella Majoumouo, Marius Belmondo Tincho, Rufin Marie Kouipou Toghueo, Thureyah Morris, Donavon Charles Hiss, Fabrice Fekam Boyom, Chitra Mandal

    Published 2020-01-01
    “…The percentages of cell populations were increased at late apoptosis (Annexin+/PI+), with the percentages of 27.4 ± 0.3 and 19.2 ± 0.01 obtained, respectively, for 50 µg/ml and 80 µg/ml of the N97 extract and 2.1 ± 0.1 obtained for the control in late apoptosis (Annexin V+/PI+) . …”
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  9. 1329

    3D-Printed PCL-Based Scaffolds with High Nanosized Synthetic Smectic Clay Content: Fabrication, Mechanical Properties, and Biological Evaluation for Bone Tissue Engineering by Furtado ASA, Cunha MHS, Sousa LMR, Brito GC, Verde TFCL, Filgueiras LA, Sobral-Silva LA, Santana MV, Sousa GF, Santos FEP, Mendes AN, Figueredo-Silva J, Maia Filho ALM, Marciano FR, Vasconcellos LMR, Lobo AO

    Published 2025-01-01
    “…André SA Furtado,1,* Manuel HS Cunha,1,* Luciana MR Sousa,1 Guilherme C Brito,1 Thiago FCL Verde,1 Livia Alves Filgueiras,2 Leonardo A Sobral-Silva,3 Moisés V Santana,1 Gustavo F Sousa,1 Francisco EP Santos,4 Anderson N Mendes,2 José Figueredo-Silva,5 Antônio LM Maia Filho,5 Fernanda R Marciano,1,4 Luana MR Vasconcellos,3 Anderson O Lobo1 1Interdisciplinary Laboratory for Advanced Materials (LIMAV), Materials Science and Engineering Graduate Program (PPGCM), Federal University of Piauí (UFPI), Teresina, PI, Brazil; 2Laboratory of Innovation in Science and Technology, Department of Biophysics and Physiology, Federal University of Piauí, Teresina, PI, Brazil; 3Institute of Science and Technology, São Paulo State University (UNESP), São Paulo, SP, Brazil; 4Department of Physics, Federal University of Piauí (UFPI), Teresina, PI, Brazil; 5Biotechnology Research Center - State University of Piauí, Teresina, PI, Brazil*These authors contributed equally to this workCorrespondence: Anderson O Lobo, Interdisciplinary Laboratory for Advanced Materials, UFPI - Federal University of Piaui, Teresina, Brazil, Email lobo@ufpi.edu.brBackground: The 3D printing of macro- and mesoporous biomimetic grafts composed of polycaprolactone (PCL) infused with nanosized synthetic smectic clay is a promising innovation in biomaterials for bone tissue engineering (BTE). …”
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  10. 1330

    Asymptotic Periodicity of a Higher-Order Difference Equation by Stevo Stevic

    Published 2007-01-01
    “…It is proved that if all pi, i∈{1,…,k}, are even and all qj, j∈{1,…,m} are odd, every positive solution of the equation converges to (not necessarily prime) a periodic solution of period two, otherwise, every positive solution of the equation converges to a unique positive equilibrium.…”
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  11. 1331

    Multiple Functions of Phosphoinositide-3 Kinase Enhancer (PIKE) by Chi Bun Chan, Keqiang Ye

    Published 2010-01-01
    “…In the past 10 years, we have characterized a novel class of GTPases called phosphoinositide-3 kinase enhancer (PIKE) that interacts with PI3K/Akt. In neurons, PIKE is involved in the protective mechanisms against neuroexcitotoxic insults by linking various receptors, such as mGluR1 and Unc5H2, to the PI3K cascade. …”
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  12. 1332

    Stability of a weighted L2 projection in a weighted Sobolev norm by Averseng, Martin

    Published 2023-05-01
    “…We show that $\pi _{N,\omega }$ is stable in a weighted Sobolev norm, and prove an upper bound on the stability constant that does not depend on $N$. …”
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  13. 1333

    Differential of the Stretch Tensor for Any Dimension with Applications to Quotient Geodesics by Bisson, Olivier, Pennec, Xavier

    Published 2024-11-01
    “…In this note, we derive an expression for the derivative of its unique symmetric section $ s \circ \pi $ in any dimension, in terms of a solution to a Sylvester equation. …”
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  14. 1334

    Doubling constructions and tensor product L-functions: coverings of the symplectic group by Eyal Kaplan

    Published 2025-01-01
    “…In this work, we develop an integral representation for the partial L-function of a pair $\pi \times \tau $ of genuine irreducible cuspidal automorphic representations, $\pi $ of the m-fold covering of Matsumoto of the symplectic group $\operatorname {\mathrm {Sp}}_{2n}$ and $\tau $ of a certain covering group of $\operatorname {\mathrm {GL}}_k$ , with arbitrary m, n and k. …”
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  15. 1335

    Development of regenerative braking in an electric vehicle using a neural controller with an auxiliary power system by Ahmad Alhamood Alarefe, SALAM ALI MAHMOUD, RAED ALCHAREA

    Published 2024-12-01
    “…This research presents a development of the regeneration braking system by developing a neural controller consisting of two layers and using it to drive the braking process instead of the proportional integrative (PI) controller with an auxiliary power system. The latter is stable and enables its engine to generate suitable torques at relatively high speeds, without a decrease in the speed of the vehicle from the required speed, and the improvement rate was more than 10%, where the state of battery drain when using the PI controller was about 87%, while when using the neural controller more than 97% …”
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  16. 1336
  17. 1337

    Phytochemical Evaluation of Moth Bean (Vigna aconitifolia L.) Seeds and Their Divergence by Neha Gupta, Nidhi Shrivastava, Pramod Kumar Singh, Sameer S. Bhagyawant

    Published 2016-01-01
    “…In both seed accessions maximum protein spots are seen in the pI range of 6–8.…”
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  18. 1338

    Evaluating the effects of chlorhexidine and vitamin c mouthwash on oral health in non-surgical periodontal therapy: a randomized controlled clinical trial by Nurdan Ozmeric, Ayaz Enver, Sila Cagri Isler, Ceren Gökmenoğlu, Merve Topaloğlu, Hilal Selamet, Gökçen Altun, Selin Aykol Sayar

    Published 2025-01-01
    “…There were no significant differences between the groups regarding baseline PI, GI and BOP (p > 0.05). Changes at 14th day in PI, GI and BOP in all groups were similar and no significant differences were observed (p > 0.05). …”
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  19. 1339

    Effects of Intrauterine Human Chorionic Gonadotropin on Endometrial Receptivity in Intracytoplasmic Sperm Injection Cycle by Omaima Al Dosary, Huda Hussaini, Manal Al-Obaidi

    Published 2025-01-01
    “… Conclusion: Infusion of 700 IU hCG can improve sub-endometrial blood flow by reducing the RI and PI. These effects will improve the pregnancy rate in patients undergoing the ICSI cycle.…”
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  20. 1340