Temperatture esttiimattiion off EXDRA and SSUMI dwarff Nova systtems from spectroscopic data

Arshed Ali Kadhem

doi:10.30723/ijp.v13i27.261

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Publication Date

Mon Feb 04 2019

Journal Name

Iraqi Journal Of Physics

Volume

13

Issue Number

27

DOI

10.30723/ijp.v13i27.261

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Temperatture esttiimattiion off EXDRA and SSUMI dwarff Nova systtems from spectroscopic data

Dwarf Nova

Fourier Model

transform and mathematical modeling.

Arshed Ali Kadhem

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The seasonal behavior of the light curve for selected star SS UMI and EXDRA during outburst cycle is studied. This behavior describes maximum temperature of outburst in dwarf nova. The raw data has been mathematically modeled by fitting Gaussian function based on the full width of the half maximum and the maximum value of the Gaussian. The results of this modeling describe the value of temperature of the dwarf novae star system leading to identify the type of elements that each dwarf nova consisted of.

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Thu Sep 01 2022

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Natural Product Research

Synthesis, molecular docking and anti-inflammatory evaluation of new trisubstituted pyrazoline derivatives bearing benzenesulfonamide moiety

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Experimental and theoretical investigations of seepage reduction through zoned earth dam material with special core

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Mon Jan 01 2024

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Effect of nano-TiO2 on physical and rheological properties of asphalt cement

nanomaterial

TiO2

DSR

BBR

asphalt

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Alaa H.

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AbstractIn recent years, nano-modified asphalt has gained significant attraction from researchers in the design of asphalt pavement fields. The recently discovered Titanium dioxide nanoparticles (TiO2) are among the most exciting and promising nanomaterials. This study examines the effect of 1, 3, 5, and 7% of nano-TiO2 by weight of asphalt on some of its rheological and hardened properties. The experimental study included physical and rheological properties. The asphalt penetration, softening point, ductility, and rotational viscometer tests indicate that 5% nano-TiO2 is the ideal amount to be added to bitumen as a modifier. The ... Show More

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Publication Date

Thu Aug 27 2020

Journal Name

European Journal Of Ophthalmology

Comparison of corneal epithelial thickness profile in dry eye patients, keratoconus suspect, and healthy eyes

Rattan S.A.

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Purpose:

To compare the corneal epithelial thickness profile in patients with dry eyes and keratoconus suspect with normal healthy eyes.

Methods:

The study involved 120 eyes with an age range from 19 to 30 years. Forty eyes had normal corneal topography and no dry eyes. Forty eyes had dry eyes but had normal corneal topography. The last 40 eyes were keratoconus suspect and had no symptoms or signs of dry eyes.

Results:

Central epithelial thickness was not different statistically for all eyes. ( p-value: 0.1). The superior epithelial thickness was 53.5 µm ±3.1 in the control

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Sun Jan 01 2023

Journal Name

Journal Of Advanced Pharmaceutical Technology & Research

Use of factorial design in formulation and evaluation of intrarectal in situ gel of sumatriptan

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Hussein K.

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Tue Oct 01 2024

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Association between Single Nucleotide Polymorphisms rs3757318 and Vitamin D Deficiency in Iraqi Breast Cancer Patients

Breast cancer

CCDC170 (rs3757318) polymorphism

vitamin D

Istikrar M.

Ahmed S. K.

Fadhel M.

Yasir B.

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Abstract<sec> <title>Background:

Multiple single-nucleotide polymorphisms (SNPs) located in the intergenic region between estrogen receptor 1 and CCDC170 (especially at rs3757318) are thought to be associated with breast cancer risk. additionally, the serum level of vitamin D is believed to be linked to different aspects of breast carcinogenesis.

Objectives:

To assess the potential association between rs3757318 SNP and breast cancer pathogenicity, specifically in relation to serum vitam

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solar collector

thermal performance

simulation program

EES.

Najim Abid

Mohammed Abdulhassan

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In Iraq most of the small buildings deployed a conventional air conditioning technology which typically uses electrically driven compressor systems which exhibits several clear disadvantages such as high energy consumption, high electricity at peak loads. In this work a thermal performance of air conditioning system combined with a solar collector is investigated theoretically. The hybrid air conditioner consists of a semi hermetic compressor, water cooled shell and tube condenser, thermal expansion valve and coil with tank evaporator. The theoretical analysis included a simulation for the solar assisted air-conditioning system using EES software to analyze the effect of different parameters on the power consumption of c

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Thu Jan 01 2015

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Performance measurements of single server fuzzy queues with unreliable server using left and right method

centroid formula

centroid formula integration

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fuzzy assignment models

FAMs

optimal solution

Opt. Sol.

Pascal's triangle graded mean

PT-GM

pentagonal fuzzy numbers

PFNs.

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The fuzzy assignment models (FAMs) have been explored by various literature to access classical values, which are more precise in our real-life accomplishment. The novelty of this paper contributed positively to a unique application of pentagonal fuzzy numbers for the evaluation of FAMs. The new method namely Pascal's triangle graded mean (PT-GM) has presented a new algorithm in accessing the critical path to solve the assignment problems (AP) based on the fuzzy objective function of minimising total cost. The results obtained have been compared to the existing methods such as, the centroid formula (CF) and centroid formula integration (CFI). It has been demonstrated that operational efficiency of this conducted method is exquisitely develo

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Wireless Personal Communications

Design and Implementation of a Scalable RFID-Based Attendance System with an Intelligent Scheduling Technique

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Zinah Fadhil Abed

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