Preferred Language
Articles
/
ehaWOogBVTCNdQwCm3Xz
Corrosion protection of pure titanium implant by electrochemical deposition of hydroxyapatite post-anodizing
...Show More Authors

In this study, a Hydroxyapatite (HA) coating was prepared on a titanium implant by an electrochemical deposition process. The titanium pre-treatment by anodizing in 1.65 mol/L sulfuric acid with (10V) at room temperature. The deposition was all conducted at a constant voltage of 6.0 V, for 1 h at room temperature. The coatings thus prepared were characterized with Fourier transform infrared spectroscopy (FTIR) and thickness of the coated layer.The electrochemical deposition of HA occurred on the titanium as a cathode. Coated titanium by HA after anodizing revealed a good corrosion protection efficiency even at a temperature ranged (293-323) K in artificial saliva. Activation energy and pre-exponential factor (kinetic parameters) were calculated and discussed. Also, thermodynamic values ΔG and ΔH were calculated and it shows that corrosion reaction was non-spontaneous and exothermic in nature before treatment but after anodizing the corrosion reaction become endothermic.

Scopus
View Publication Preview PDF
Quick Preview PDF
Publication Date
Sun Oct 02 2005
Journal Name
Journal Of The Faculty Of Medicine Baghdad
antimicrobial susceptibility test of microorganisms isolated from sputum culture of leukaemic patients with lower respiratory tract infections
...Show More Authors

Background:

View Publication Preview PDF
Crossref
Publication Date
Tue Jun 30 2015
Journal Name
Al-kindy College Medical Journal
Aneurysmal bone cyst of the lateral end of clavicle in a twelfth year old girl Case study
...Show More Authors

Introduction: An aneurysmal bone cyst are enigmatic lesionof unknown cause and presentation and are difficult todistinguish from other lesions, it is a benign, but expansibletumor like lesion that generally occurs in the long bones. Ananeurysmal bone cyst arising from the flat bone like clavicleis rare .Case presentation: We report a 12-year-old girl child with ananeurysmal bone cyst of the lateral third of left clavicletreated with enblock resection. The pathologic findingsconfirmed the diagnosis of aneurysmal bone cyst. Thepatient has been followed up for one year with no evidenceof recurrence .Conclusion: En bloc resection can be curative and provide good results for this rare type of clavicle tumour.

View Publication Preview PDF
Publication Date
Sun Apr 01 2018
Journal Name
Journal Of Economics And Administrative Sciences
((The Impact of Organizational Values on achieve Strategic Success Analytical Research in the Iraq Ministry of Oil ))
...Show More Authors

This study aims to determine the impact of organization values as an independent variable across its dimensions (organization management values, organization mission values, relations management values, and environment management values) on achieve the strategic success which is the dependent variable and include its dimensions  (environmental analysis, creative thinking, strategic decision, effective implementation, and leadership capacities). The study is conducted in the Iraq Oil Ministry. It deployed the analytical descriptive approach. It focuses on the study problem enquiries throughout addressing several principal and sub-hypothesizes in regards to cause and effect relationship. To achieve this result

... Show More
View Publication Preview PDF
Crossref (2)
Crossref
Publication Date
Wed Feb 20 2019
Journal Name
Iraqi Journal Of Physics
The influence of CdCl2 layer and annealing process on the structural and electrical properties of CdTe films
...Show More Authors

A polycrystalline CdTefilms have been prepared by thermal evaporation technique on glass substrate at room temperature. The films thickness was about700±50 nm. Some of these films were annealed at 573 K for different duration times (60, 120 and 180 minutes), and other CdTe films followed by a layer of CdCl2 which has been deposited on them, and then the prepared CdTe films with CdCl2 layer have been annealed for the same conditions. The structures of CdTe films without and with CdCl2 layer have been investigated by X-ray diffraction. The as prepared and annealed films without and with CdCl2 layer were polycrystalline structure with preferred orientation at (111) plane. The better structural pr

... Show More
View Publication Preview PDF
Crossref (1)
Crossref
Publication Date
Wed Jun 15 2022
Journal Name
Journal Of Baghdad College Of Dentistry
Effects of various analgesics on pain perception and rate of tooth movement: a randomized controlled clinical study
...Show More Authors

Background: Pain is one of the most reported side effects of orthodontic treatment despite the advanced technology in orthodontics. Many analgesics have been introduced to control orthodontic pain including acetaminophen and selective and nonselective nonsteroidal anti-inflammatory drugs. The great concern about these drugs is their adverse effect on rate of teeth movement. Aims: The purpose of this study was to evaluate and compare the effect of acetaminophen, ibuprofen and etoricoxib on pain perception and their influence on the rate of teeth movement during leveling and alignment stage. Methods: Forty patients were evenly and randomly distributed in a blinded way to one of four groups: placebo (starch capsules), acetaminophen 500mg th

... Show More
View Publication Preview PDF
Scopus (3)
Crossref (3)
Scopus Crossref
Publication Date
Sun May 30 2021
Journal Name
Iraqi Journal Of Science
Study Effects of Illumination and Temperature on Performance of (pn-Si) Device using Simulation Program SCAPS-1D
...Show More Authors

The current research included obtaining the best performance specifications for a silicon device with a mono-crystalline type pn junction (pn–Si). A simulation of the device was performed by the use of a computer program in one dimension SCAPS-1D in order to reach the optimum thickness for both p and n layers and to obtain the best efficiency in performance of the pn-Si junction. The optimum device efficiency was eta (η) = 12.4236 % when the ideal thickness for the p and n layers was 5µm and 1.175µm, respectively (p=5 µm and n=1.75µm).

     The research included studying the effects of different spectra of solar illumination using simulation of the device; the usual solar spectrum AM1_5 G1 sun. Spectrum

... Show More
View Publication Preview PDF
Scopus (2)
Crossref (3)
Scopus Crossref
Publication Date
Wed Dec 25 2024
Journal Name
Journal Of Baghdad College Of Dentistry
Comparative Assessment of In Vitro Effect of Three Fluoride Releasing Agents on Enamel Demineralization around Orthodontic Brackets
...Show More Authors

Background: White spot lesion considered as irreversible tooth demineralization presenting challenge to orthodontists during treatment schedules, fluoride was the most successfully used measure to overcome this challenge. Materials and method: A total of forty sound human permanent premolars were used in the present study and categorized into four groups, in one group the teeth were bonded with stainless steel brackets using Resin-modified glass ionomer cement (RMGIC) and the other three groups the teeth were bonded with light cured composite Resilience® (Ortho technology Co., USA). Group A; Acidulated phosphate fluoride (APF) topical gel (Mfg by DEEPAK PRODUCTS, INC, USA), fluoride ion 1.23% applied on examine area for four minute. Gro

... Show More
View Publication Preview PDF
Crossref (2)
Crossref
Publication Date
Mon Apr 04 2022
Journal Name
Journal Of Educational And Psychological Researches
The Effect of Sample Size on the Item Differential Functioning in the Context of Item Response Theory
...Show More Authors

The current study examined the effect of different sample sizes to detect the Item differential functioning (DIF). The study has used three different sizes of the samples (300, 500, 1000), as well as to test a component of twenty polytomous items, where each item has five categories. They were used Graded Response Model as a single polytomous item response theory model to estimate items and individuals’ parameters. The study has used the Mantel-Haenszel (MH) way to detect (DIF) through each case for the different samples. The results of the study showed the inverse relationship between the sample size and the number of items, which showed a differential performer.

View Publication Preview PDF
Publication Date
Sat Dec 01 2012
Journal Name
Journal Of Economics And Administrative Sciences
The importance of direct foreign investment on development of Iraqi oil industry for the period (2003-3010)
...Show More Authors

Oil industry played a major role in delineating the course and type o development in both imported and exported Arabic countries alike where its revenues has perform an essential role in forming programs and plans of development on both national and international level in addition to anticipation of future consuming.

Iraq, as an oil producer country with a revenues –based economy depends on oil in building its economy totally including its infrastructure having a the greatest conformed reservoir which make the government budget depends largely on oil revenues where its strategic importance lies in funding all aspects of expenders as it is considered the prime source of foreign currency.  The chall

... Show More
View Publication Preview PDF
Crossref
Publication Date
Sun Oct 01 2017
Journal Name
Journal Of The Faculty Of Medicine Baghdad
Isolation of Staphylococcus aureus from ear swab in Iraqi children as a causative agent of Otitis externa
...Show More Authors

Background: Staphylococcus aureus is a Gram-positive, spherical, grape like clusters arrangment
bacterium, non-spore forming. Is a genus that causes many hard diseases such as food poisoning,
gastroenteritis with severe symptoms. S. aureus is commonly found in the wide environment (soil, air and
water) and is importantly found in the nose and skin in the humans. And can causes ear infection by
entering the ear. The diagnosis of Otitis externa is usually made clinically and bacterial tests.
Objective: To detection and isolation of the bacteria Staphylococcus aureus from pus specimens of ear
swab, among Iraqi children with Otitis externa.
Patients and methods: Eighty ear swab specimens from suspected cases of Otitis ex

... Show More
View Publication Preview PDF
Crossref (2)
Crossref