Showing 341 - 360 results of 364 for search '"calculus"', query time: 0.06s Refine Results
  1. 341

    Advanced Lasers and Their Applications in Dentistry by Olivia Lili Zhang, Iris Xiaoxue Yin, Ollie Yiru Yu, Kenneth Luk, John Yun Niu, Chun Hung Chu

    Published 2025-01-01
    “…Furthermore, laser fluorescence serves as an additional tool for subgingival calculus detection. High-power and low-power lasers are used in both nonsurgical and surgical therapies to treat periodontal and peri-implant diseases, oral mucosa conditions, and even cancer based on their specific properties. …”
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    Article
  2. 342

    A non-local regularization-based fractional-order total variational compressive sensing algorithm for effective recovery of Geiger-mode avalanche photodiode LiDAR images by Yuchao Wang, Xuyang Wei, Chunyang Wang, Xuelian Liu, Da Xie, Kai Yuan, Rong Li

    Published 2025-01-01
    “…Subsequently, a non-local regularization-based fractional-order total variational CS model for GM-APD LiDAR image recovery is proposed, leveraging the sparse and constrained isometric properties of CS as well as the memorability of fractional-order calculus. This model aims to compress and sample high-dimensional range images while performing a sparse representation. …”
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  3. 343

    Novel Approaches for Getting the Solution of the Fractional Black–Scholes Equation Described by Mittag-Leffler Fractional Derivative by Ndolane Sene, Babacar Sène, Seydou Nourou Ndiaye, Awa Traoré

    Published 2020-01-01
    “…Recent studies in fractional calculus have included new fractional derivatives with exponential kernels and Mittag-Leffler kernels. …”
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  4. 344

    Investigation of new solitary stochastic structures to the Heisenberg ferromagnetic spin chain model via a Stratonovich sense by Md. Nur Alam

    Published 2025-03-01
    “…The research employs both Itô and Stratonovich stochastic calculus (SSC) to assess the dynamic behavior of these random solutions, providing graphical representations to effectively demonstrate these behaviors. …”
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    Article
  5. 345

    Fractional Stress Relaxation Model of Rock Freeze-Thaw Damage by Q. Liu, W. Chen, J. K. Guo, R. F. Li, D. Ke, Y. Wu, W. Tian, X. Z. Li

    Published 2021-01-01
    “…To accurately describe the mechanical behaviour of stress relaxation of rocks under freeze-thaw, the software element is constructed based on the theory of fractional calculus to replace the ideal viscous element in the traditional element model. …”
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    Article
  6. 346

    Two Versus Three Narrow-Diameter Implants with Locator Attachments Supporting Mandibular Overdentures: A Two-Year Prospective Study by Ali M. El-Sheikh, Omar F. Shihabuddin, Sahar M. F. Ghoraba

    Published 2012-01-01
    “…Standardized clinical and radiographic parameters (survival rate, plaque index, calculus index, gingival index, bleeding index, probing depth and marginal bone loss) were evaluated at the time of the completion of the prosthetic treatment (baseline) and after 6, 12 and 24 months of functional loading. …”
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    Article
  7. 347

    Numerically pricing American and European options using a time fractional Black–Scholes model in financial decision-making by Omid Nikan, Jalil Rashidinia, Hossein Jafari

    Published 2025-01-01
    “…Reliable and efficient numerical techniques are essential for solving fractional differential models due to the global characteristics of fractional calculus. This paper focuses on the numerical solution for the TFBSE for American and European option pricing models by means of the local meshless radial basis function (RBF) interpolation. …”
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    Article
  8. 348

    Relationship of Secondary School Mathematics Achievement with Engineering Mathematics 2 in Polytechnics by Husnira Binti Hussin, Marina Binti Majid, Rohayu Binti Ab Wahab

    Published 2018-11-01
    “…This is because the subject of Engineering Mathematics 2 is mostly related to calculus and only students who have taken Additional Mathematics subject during secondary school had a basic in the Engineering Mathematics 2. …”
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    Article
  9. 349

    The correlation of region-specific lifestyle and subjective perception of oral health with oral health-related quality of life among Tibetan early adolescents in Ganzi: a cross-sec... by Shaoying Duan, Renjie Tang, Chenchen Zhang, Qianqian Su, Huiyu Yang, He Cai, Tao Hu

    Published 2025-01-01
    “…Binary logistic regression was used to explore the association between region-specific lifestyle, subjective perception of oral health, clinician oral health conditions (gingival bleeding on probing (BOP), dental calculus (DC), and decayed, missing, and filled teeth (DMFT)), and OHRQoL. …”
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  10. 350

    On the Possibility of the Jerk Derivative in Electrical Circuits by J. F. Gómez-Aguilar, J. Rosales-García, R. F. Escobar-Jiménez, M. G. López-López, V. M. Alvarado-Martínez, V. H. Olivares-Peregrino

    Published 2016-01-01
    “…In this paper we show that the jerk dynamics are naturally obtained for electrical circuits using the fractional calculus approach with order γ. We consider fractional LC and RL electrical circuits with 1⩽γ<2 for different source terms. …”
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  11. 351

    The g-generalized Mittag-Leffler (p,s,k)-function by Umbreen Ayub, Madiha Shafiq, Amir Abbas, Umair Khan, Anuar Ishak, Y.S. Hamed, Homan Emadifar

    Published 2025-02-01
    “…This paper introduces the generalization of ML function, hereafter referred to as the g-generalized ML (p,s,k)-function, which extends the applicability of fractional calculus and complex analysis to a broader range of problems. …”
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  12. 352

    Stratifications and foliations in phase portraits of gene network models by V. P. Golubyatnikov, A. A. Akinshin, N. B. Ayupova, L. S. Minushkina

    Published 2023-01-01
    “…Such an à priori geometric analysis of the dynamical systems is quite analogous to the basic section “Investigation of functions and plot of their graphs” of Calculus, where the methods of qualitative studies of shapes of curves determined by equations are exposed. …”
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  13. 353

    College algebra students’ perceptions of exam errors and the problem-solving process by Mary E. Pilgrim, Linda C. Burks, Megan Ryals, Sloan Hill-Lindsay

    Published 2025-02-01
    “…This becomes considerably difficult when students lack the background knowledge needed to begin in Calculus and instead take College Algebra or Precalculus as a first mathematics course. …”
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    Article
  14. 354

    A Peculiar Cause of Shock: Analysing Two Clinical Cases by João Oliveira, Alberto Costa-Silva, Luís Vale, Daniel Costa, Rui Almeida-Pinto, Carlos Martins-Silva, Tiago Antunes-Lopes, João Silva

    Published 2023-01-01
    “…CT demonstrated a staghorn calculus, hydronephrosis, and signs compatible with xanthogranulomatous pyelonephritis in the right kidney. …”
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  15. 355

    Management of forgotten double J stents: insight from a systematic review of case reports by Antonius Galih Pranesdha Putra, Yufi Aulia Azmi, Soetojo Wirjopranoto, Nadya Rahmatika, Agustin Junior Nanda De Niro, Alviano Satria Wibawa, Kevin Muliawan Soetanto

    Published 2025-01-01
    “…The complications experienced were encrustation, multiple stones formation, emphysematous pyelonephritis, emphysematous perinephric abscess, fragmentation, and vesical calculus. In management, it was found that procedures were selected according to patient's situation at that time and the condition of the stent. …”
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    Article
  16. 356

    Severe Renal Hemorrhage in a Pregnant Woman Complicated with Antiphospholipid Syndrome: A Case Report by Shohei Kawaguchi, Kouji Izumi, Takahiro Nohara, Tohru Miyagi, Hiroyuki Konaka, Atsushi Mizokami, Eitetsu Koh, Mikio Namiki

    Published 2011-01-01
    “…An initial diagnosis of left ureteral calculus was made. Subsequently abdominal-pelvic computed tomography was required for diagnosis because of the appearance of severe contralateral pain. …”
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  17. 357

    Evaluation of the effect of dental caries, oral hygiene, and treatment need on oral health-related quality of life among Turkish orphan children and adolescents by Ecem Akbeyaz Şivet, Berkant Sezer, Neslihan Atmaca, Narmin Hüseynova, Betül Kargül

    Published 2025-01-01
    “…A comprehensive examination was conducted on each individual, encompassing the assessment of dental caries using the decayed, missing, and filled teeth (DMFT/dft) index, oral hygiene using the debris (DI-S), calculus (CI-S), and simplified oral hygiene (OHI-S) indices, and dental treatment need using the treatment need index (TNI). …”
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    Article
  18. 358

    New Approaches to Developing the Integral Indicator Methodology for Estimating the Financial Efficiency of Agricultural Entities in Poland, the Republic of Moldova, and EU Countrie... by Mariusz Trojak, Barbara Kiełbasa, Daniela Popa, Aliona Sargo

    Published 2019-12-01
    “…Original studies in Moldova and Poland regarding farm concentration in terms of Gini Coefficient, Gini Index and Concentration Index of the utilized agricultural area. Original calculus formula to determine the Concentration Index of the UAA for the top 10% largest farms in Moldova and UK.…”
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  19. 359

    Intraneobladder Hem-o-Lok Migration with Stone Formation after Orthotopic Neobladder Cystectomy by Zeng Shu-xiong, Zhang Zhen-sheng, Yu Xiao-wen, Li Hui-zhen, Lu Xin, Sun Ying-hao, Xu Chuan-liang

    Published 2014-01-01
    “…We describe the first case of Hem-o-Lok clip which migrated into the neobladder with calculus formation 26 months after laparoscopic orthotopic neobladder cystectomy, which causes symptoms of gross hematuria and frequent urination. …”
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  20. 360

    Rare case of spontaneous renal calyx rupture due to vesicoureteral junction stone in a horseshoe kidney by Siham Oukassem, Salma Debbi, Chaima Abourak, Ola Messouad, PhD, Omar EL Aoufir, PhD, Laila Jroundi, PhD, Ali Mohammed Miko, Mamoun Diouri, Ayoub Bouhnib, Ahmed Ibrahimi, PhD

    Published 2025-03-01
    “…Spontaneous rupture of the renal calyx in a horseshoe kidney due to ureteral obstruction by a small calculus is a rare but significant event. Prompt diagnosis with CT imaging and conservative management, including stent placement, can lead to positive outcomes in complex anatomical presentations such as horseshoe kidneys.…”
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    Article