Numerical Solution of Non-linear Delay Differential Equations Using Semi Analytic Iterative Method

Samaher Marez Yassein

doi:10.35950/cbej.v25i103.4550

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Publication Date

Fri Jun 23 2023

Journal Name

Journal The College Of Basic Education / Al-mustansiriyah University

Volume

25

Issue Number

103

DOI

10.35950/cbej.v25i103.4550

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Numerical Solution of Non-linear Delay Differential Equations Using Semi Analytic Iterative Method

Semi analytic iterative method

Ordinary delay differential equations

Initial conditions

Samaher Marez Yassein

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We present a reliable algorithm for solving, homogeneous or inhomogeneous, nonlinear ordinary delay differential equations with initial conditions. The form of the solution is calculated as a series with easily computable components. Four examples are considered for the numerical illustrations of this method. The results reveal that the semi analytic iterative method (SAIM) is very effective, simple and very close to the exact solution demonstrate reliability and efficiency of this method for such problems.

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Fri Jul 31 2020

Journal Name

Iraqi Geological Journal

APPLICATION OF TRIANGLES METHOD FOR QUANTITATIVE ESTIMATION OF MARL RESERVE IN EUPHRATES FORMATION, MIDDLE OF IRAQ

Salih

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(2)

Publication Date

Tue Dec 15 2020

Journal Name

Journal Of Baghdad College Of Dentistry

Impact of two non-nutritive sucking patterns on the development of anterior open bite in children of two kindergartens in Baghdad city

Munad J

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Background: Non-nutritive sucking habit (NNSH) is the main environmental causative factor that disturbs normal orofacial development. In spite of the harmful effect of pacifier as a NNSH, mothers aware from the other types of NNSH like thumb sucking far more than pacifier use. Open bite is one of the most challenging malocclusions in orthodontics due to the high prevalence of relapse after treatment, so preventing the causative factor of its occurrence is essential at early age of child life. This study aims to assess the impact of two non-nutritive patterns on the development of anterior open bite in primary dentition and to compare which of these habits mostly affect open bite development. Materials and Methods: The sample consisted of

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(2)

Publication Date

Tue Aug 01 2023

Journal Name

Innovative Food Science & Emerging Technologies

Non-thermal pasteurization of milk by an innovative energy-saving moderate electrical field equipped with elongated electrodes and process optimization

Ali Wali M.

Azhar J.

Asaad R.

Mohsen

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Publication Date

Thu Jan 15 2026

Journal Name

Oncology In Clinical Practice

Unveiling the role of atezolizumab in non-small cell lung cancer and coexisting chronic obstructive pulmonary disease — a comprehensive review

atezolizumab

NSCLC

COPD

immune checkpoint inhibitors

PD-L1

safety

real-world evidence

Akram Hasan

Samer Imad

Ahmed Abdali

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Introduction. The coexistence of non-small cell lung cancer (NSCLC) and chronic obstructive pulmonary disease (COPD) is commonly observed, primarily due to overlapping risk factors like smoking and environmental exposures. This dual diagnosis introduces complex clinical scenarios, often associated with worsened outcomes and heightened vulnerability to treatment-related side effects. Immune checkpoint inhibitors, especially atezolizumab, have emerged as pivotal agents in enhancing clinical outcomes for individuals diagnosed with NSCLC. Recent evidence suggests that atezolizumab remains effective and well-tolerated in NSCLC patients with coexisting COPD. This review evaluates the efficacy and safety of atezolizumab in NSCLC patients with coex

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(1)

Publication Date

Wed Aug 10 2016

Journal Name

Fourth International Conference On Genetics And Scientific Environment. Cairo / Arab Republic Of Egypt For The Period From July 23 To 30

Efficacy of Arbuscular mycorrhiza (AM) in inducing non-enzymatic antioxidants in tomato leaves infected with Fusarium oxysporum f. sp. Lycopersici.

Thamer A. A. Muhsen

B. Z. Ali

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Publication Date

Mon Nov 02 2020

Journal Name

International Journal Of Pharmaceutical Research

Serum Afamin As A Novel Biomarker for Non-Alcoholic Fatty Liver Disease as A Complication of Hypothyroidism in Iraqi Patients.

Altaiee M.S.

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Publication Date

Fri Jan 01 2016

Journal Name

Journal Of Materials And Environmental Science

Study the effect of some chemicals used locally in agricultural processes in Iraq on the DNAof some non-targeted organisms

Jawad M.M.

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(2)

Publication Date

Mon Jan 23 2023

Journal Name

Journal Of Cellular And Molecular Medicine

The efficacy of non‐surgical platelet‐rich fibrin application on clinical periodontal parameters and periostin level in periodontitis: Clinical trial

Al-Rihaymee S.

Maha Sh

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AbstractPlatelet‐rich fibrin (PRF) has been widely used in regenerative dentistry due to many growth factors produced. Periostin, a matricellular protein, is a reliable marker for tissue regeneration. Periostin is part of the cellular matrix and regulates bone homeostasis. This study aims to explore the efficacy of PRF in improvement of the clinical periodontal parameters as an adjunct to the scaling and root planing and to evaluate periostin level in gingival crevicular fluid (GCF) at baseline, 1‐ and 3‐month recall visits. Fourteen periodontitis patients who met the inclusion criteria were recruited in this study. Two contralateral periodontal pockets with 4–6 mm in depth in each patient were sel ... Show More

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(9)

(8)

Publication Date

Mon Jul 01 2024

Journal Name

Journal Of Food Process Engineering

Artificial intelligence‐based modeling of novel non‐thermal milk pasteurization to achieve desirable color and predict quality parameters during storage

Ali Wali M.

Asaad R.

Azhar J.

Mohsen

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Abstract<sec><label></label>This study proposed using color components as artificial intelligence (AI) input to predict milk moisture and fat contents. In this sense, an adaptive neuro‐fuzzy inference system (ANFIS) was applied to milk processed by moderate electrical field‐based non‐thermal (NP) and conventional pasteurization (CP). The differences between predicted and experimental data were not significant (<italic>p</italic> > 0.05) for lightness (<italic>L</italic>*), redness‐greenness (<italic>a</italic>*), yellowness‐blueness (<italic>b</italic>*), total color differences (∆<italic>E</italic>), hue angle (<italic>h</italic></sec> ... Show More

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(10)

(9)

Publication Date

Sat Jan 01 2022

Journal Name

Journal Of The Mechanical Behavior Of Materials

Numerical simulation to the effect of applying rationing system on the stability of the Earth canal: Birmana canal in Iraq as a case study

Alaa Hu.

Maysam

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AbstractExtreme conditions will cause the water level of high fill canal segment to change suddenly, which will affect the velocity and pore pressure of the slope. A 9 km irrigation earth canal in the city of Alsyahy, 15 km away from Al-Hilla city, and branching off from the left side of Shatt Al-Hilla at 57 km, was studied. The aim of this work is to study and analyze the effect of rationing system on the Birmana earthen canal during rapid drawdown case. Finite element modeling with Geo-Studio software was used in the present study to analyze the combined seepage and slope stability for three cycles. The resulting minimum safety factor obtained from the analysis using the saturated and ... Show More

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