Showing 1,841 - 1,860 results of 2,536 for search '"pi"', query time: 0.05s Refine Results
  1. 1841

    Establishment and characterization of three gemcitabine-resistant human intrahepatic cholangiocarcinoma cell lines by Jiandong Li, Yanxin Hu, Jiayao Zhang, Weiguang Zhang, Jianhua Yu, Baochun Lu

    Published 2025-02-01
    “…We then explored potential resistance mechanisms and found that pathways and targets such as epithelial-mesenchymal transition, PI3K/Akt, p53R2, and IGF-1R did not show a significant correlation with ICC resistance. …”
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  2. 1842

    Effect of Compaction for Marine Clay and Pressmud to Enhanced Clay Liner Efficiency by Abdul Rahman Abdul Samad, Safingi Shafizah, Sidek Norbaya, Arshad Mohd Fadzil

    Published 2024-01-01
    “…Pressmud, with Atterberg limits including a liquid limit (LL) of 36.5%, plastic limit (PL) of 18.44%, and plasticity index (PI) of 18.06%, is categorized as having medium plasticity. …”
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  3. 1843

    Secoxyloganin inhibits growth of breast cancer MDA-MB-231 cells via induction of apoptosis and cell cycle arrest by Jie Ma, Cong Peng

    Published 2024-12-01
    “…Unveiling of molecular mechanism revealed that secoxyloganin disrupted the DNA integrity of MDA-MB-231 cells and triggered apoptosis. Annexin V/PI staining revealed that the percentage of apoptotic MDA-MB-231 cells increased from 3.7% in control to 40.2% at 24 μM of secoxyloganin. …”
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  4. 1844

    Image Augmentation Using Both Background Extraction and the SAHI Approach in the Context of Vision-Based Insect Localization and Counting by Ioannis Saradopoulos, Ilyas Potamitis, Iraklis Rigakis, Antonios Konstantaras, Ioannis S. Barbounakis

    Published 2024-12-01
    “…By creating augmented backgrounds from extracting insects from training images and using these backgrounds as canvases to artificially relocate insects, we can improve detection accuracy, reaching mAP50 72.7% with YOLO10nano, and reduce variability when counting insects on different backgrounds and image sizes, supporting efficient insect monitoring on low-power devices such as Raspberry Pi Zero W 2.…”
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  5. 1845

    Stabilization Using a Discrete Fuzzy PDC Control with PID Controllers and Pole Placement: Application to an Experimental Greenhouse by Amine Chouchaine, Elyes Feki, Abdelkader Mami

    Published 2011-01-01
    “…The PDC controller will use a classical controller like a PI, PID, or RST in each rule with a pole placement strategy to avoid causing instability. …”
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  6. 1846

    Traction Synchronous Machine with Rotor Field Winding and Two-Phase Harmonic Field Exciter by Vladimir Prakht, Vladimir Dmitrievskii, Vadim Kazakbaev, Aleksey Paramonov, Victor Goman

    Published 2025-01-01
    “…The machine performance of a hysteresis current controller and a field-oriented PI current controller are compared using the model.…”
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  7. 1847

    Deep Reinforcement Learning-Based Controller for Field-Oriented Control of SynRM by Erdal Kilic

    Published 2025-01-01
    “…These results highlight the improved robustness of the system to speed changes and load disturbances and demonstrate the superior performance achieved in synchronous reluctance motor speed control compared with the conventional PI control method.…”
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  8. 1848

    The combination of mineral fertilizer with organic fertilizer improved soil phosphorus availability by Yuxin Luo, Jing Liang, Chunliang Zhou

    Published 2024-12-01
    “…The addition of MF and MOF increased the soil labile P (resin-P and NaHCO3-Pi) by 101.8% and 320.1%, respectively, compared to the control after 180 days of treatment. …”
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    Article
  9. 1849

    Endophytes: Colonization, Behaviour, and Their Role in Defense Mechanism by Anteneh Ademe Mengistu

    Published 2020-01-01
    “…For instance, induction of PiAMT1 in root endophyte Piriformospora indica indicates depletion of nitrogen which plays as a triggering factor for activation of the saprotrophic program. …”
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  10. 1850

    Band anisotropy and effective mass renormalization in strained metallic VO2 (101) thin films by A. D’Elia, V. Polewczyk, A. Y. Petrov, G. Vinai, L. Li, C. W. Zou, S. J. Rezvani, A. Marcelli

    Published 2024-11-01
    “…This observation is further supported by an analysis of the electronic population redistribution in the $${d}_{{||}}{-}{\pi }^{* }$$ d || − π * bands, which affects the screening length and induces effective mass renormalization. …”
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  11. 1851

    Advantages and Problems of nurses in care of infant feeding in primary care by Mayara Águida Porfírio Moura, Silvana Santiago da Rocha, Diana Lúcia Moura Pinho, Dirce Guilhem

    Published 2015-04-01
    “…The aim of the study was to report the strengths and difficulties in nursing care related to infant feeding in the nursing in the routine day in primary care network of Teresina-PI. As regards methodology, we opted for a qualitative study, based on thematic oral history. …”
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  12. 1852

    Molecular Docking Study of Caffeic Acid as Acetylcholinesterase Inhibitor by Stephanus Satria Wira Waskitha, Enade Perdana Istyastono, Florentinus Dika Octa Riswanto

    Published 2023-12-01
    “…Its interactions were stabilized by hydrophobic and pi-anion interactions, in which some of the interactions resemble the same interaction of the native ligand.…”
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  13. 1853

    Molecular mechanism of aberrant decidualization in adenomyosis leading to reduced endometrial receptivity by Yuanquan Dai, Zheng Yuan, Weisen Fan, Zhiheng Lin

    Published 2025-01-01
    “…These flaws may be linked to aberrant pathways in endometrial stromal cells, such as PI3K/Akt, JAK2/STAT3, and hedgehog. Correcting the abnormal expression of molecules in endometrial stromal cells in the endometrium of patients with adenomyosis may become the focus of research to improve endometrial receptivity and increase the pregnancy rate.…”
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  14. 1854
  15. 1855

    应用彩色超声显示老年性白内障眼动脉血流动力学 by 潘景升 黎锦芳 吴中耀

    Published 1997-01-01
    “…结果发 现: ①白内障眼动脉频谱形态改变主要为第一峰降低,波形圆钝, 舒张期流速减低; ②白内障组(成熟期和未成 熟期)与对照组比较vma x (最大收缩期流速)与v- (平均流速)明显减慢,而R I (阻力指数)和P I (搏动指数)显著 增大( P < 0. 01) ; 其中以成熟期组vmax、v-减慢较明显( P < 0. 01) ; ③不同年龄组成熟期白内障眼动脉的vmax 与v-无显著性差异,而≥ 70岁组R I 与PI 则较其它组增高( P < 0. 05)。提示白内障眼动脉血流灌注减弱,血管 阻力增高,弹性差。…”
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  16. 1856

    GENETIC AND MOLECULAR ANALYSIS OF COMPLEMENTATION OF THE FLAMENCO AND PIWI LOCI IN DROSOPHILA MELANOGASTER by F. A. Urusov, L. N. Nefedova, A. R. Lavrenov, N. I. Romanova, A. I. Kim

    Published 2015-01-01
    “…It has been revealed that transcription of gypsy is differently regulated in testis and ovaries of strains SS and MS, apparently owing to the different activity of piRNA clusters in these tissues. It has been also shown that the piwi and flamenco genes interact complementarily in testis tissue.…”
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  17. 1857

    Reinforcement learning algorithm for improving speed response of a five-phase permanent magnet synchronous motor based model predictive control. by Ahmed M Hassan, Jafar Ababneh, Hani Attar, Tamer Shamseldin, Ahmed Abdelbaset, Mohamed Eladly Metwally

    Published 2025-01-01
    “…This paper proposes a new reinforcement learning (RL) control algorithm based twin-delayed deep deterministic policy gradient (TD3) algorithm to tune two cascaded PI controllers in a five-phase interior permanent magnet synchronous motor (5ph-IPMSM) drive system based model predictive control (MPC). …”
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  18. 1858

    基于COI基因对混养缅甸蟒个体来源及遗传多样性分析 by 樊翠平 段玉宝 田秀华 白素英

    Published 2017-01-01
    “…保守位点(C)占89.6%,变异位点(V)占9.6%,简约信息位点(Pi)占1.7%。根据个体系统发育进化树与群体间遗传距离重新判定缅甸蟒人工养殖混养养殖种群的个体来源,并确定28条养殖个体中8条来自海南,20条来自越南。…”
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  19. 1859

    Advanced Pedestrian Distance Estimation for ADAS with Canny Edge Detection and Stereo Vision by Rachidi Oumayma, Ed-Dahmani Chafik, Bououlid Idrissi Badr

    Published 2025-01-01
    “…The approach was thoroughly tested on a Raspberry Pi 4, a resource-constrained device, and achieved promising results, demonstrating its potential for practical use in ADAS.…”
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  20. 1860

    Computing four-point functions with integrability, bootstrap and parity symmetry by Andrea Cavaglià, Nikolay Gromov, Michelangelo Preti

    Published 2025-02-01
    “…Our numerical bounds give an accurate determination of the 4-point function for physical values of the cross ratio, with at worst 5-6 digits precision at weak coupling and reaching more than 11 digits for ’t Hooft coupling λ 4 π ∼ 4 $$ \frac{\sqrt{\lambda }}{4\pi}\sim 4 $$ .…”
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