Preferred Language
Articles
/
alkej-417
Buckling and Pre Stressed Dynamics Analysis of Laminated Composite Plate with Different Boundary Conditions
...Show More Authors

Critical buckling and natural frequencies behavior of laminated composite thin plates subjected to in-plane uniform load is obtained using classical laminated plate theory (CLPT). Analytical investigation is presented using Ritz- method for eigenvalue problems of buckling load solutions for laminated symmetric and anti-symmetric, angle and cross ply composite plate with different elastic supports along its edges. Equation of motion of the plate was derived using principle of virtual work and solved using modified Fourier displacement function that satisfies general edge conditions. Various numerical investigation were studied to exhibit a convergence and accuracy of the present solution for considering some design parameters such as edge conditions, aspect ratio, lamination angle, thickness ratio, orthotropic ratio, the results obtained gives good agreement with those published by other researchers.

 

Crossref
View Publication Preview PDF
Quick Preview PDF
Publication Date
Sun Sep 02 2012
Journal Name
Baghdad Science Journal
Testing the ability of Porcellionides pruinosus (Brandt 1833) Isopoda Crustaceans to decompose and consume cellulosean wastes in different ecosystems
...Show More Authors

The present study was undertaken to use individual terrestrial crustacean from Isopoda such as the species Porcellionides pruinosus (Brandt 1833) as environmental cleaner and that through the test of their abilities in decomposition of residues of some cellulosean wastes such as wood pieces which contain high ratio of urban wastes, and residue of Zea mays and particularly leaves as plant waste in agricultural fields and residue of Cynodon dactylon plants which compose the main wastes in most of gardens and parks. Experiments were conducted relatively in stable laboratory conditions to ensure environmental conditions similar to crustaceans' life. The results showed presence of good efficiency of these individuals in treating such wastes as

... Show More
View Publication Preview PDF
Crossref
Publication Date
Sat Dec 01 2018
Journal Name
Engineering And Technology Journal
Comparison between the Biological Activity of Agaricus bisporus Fruiting Bodies and Albizzia lebbeck Leaves Extract against Different Pathogenic Microoganisms
...Show More Authors

View Publication
Crossref
Publication Date
Wed Aug 30 2023
Journal Name
Baghdad Science Journal
Post COVID-19 Effect on Medical Staff and Doctors' Productivity Analysed by Machine Learning
...Show More Authors

The COVID-19 pandemic has profoundly affected the healthcare sector and the productivity of medical staff and doctors. This study employs machine learning to analyze the post-COVID-19 impact on the productivity of medical staff and doctors across various specialties. A cross-sectional study was conducted on 960 participants from different specialties between June 1, 2022, and April 5, 2023. The study collected demographic data, including age, gender, and socioeconomic status, as well as information on participants' sleeping habits and any COVID-19 complications they experienced. The findings indicate a significant decline in the productivity of medical staff and doctors, with an average reduction of 23% during the post-COVID-19 period. T

... Show More
View Publication Preview PDF
Scopus (8)
Crossref (13)
Scopus Crossref
Publication Date
Tue Jan 01 2013
Journal Name
Advances In Physics Theories And Applications
Tracing and Analysis of Manganese, Nickel, Cadmium ,Copper, zinc , Lead And Aluminum Concentration and PH Values In Iraqi Chewing Gums
...Show More Authors

Evaluation of trace elements in Iraqi chewing gums are unavailable, particularly pollution of toxic elements, materials which change the values of PH in the Oral. Atomic Absorption Spectroscopy (AAS) were successfully employed to determine the concentration of 7 trace elements (essentially toxic and nonessential) and the PH, in thirteen different brands of chewing gum generally consumed in Iraq. Combined wet and dry digestion procedures were applied. Two types of heated graphite tubes were used, coated and uncoated tubes treated with tungsten solution. Result showed that Cu, Al and Zn were at very high levels in almost all brands whereas Mn was found to be high in brands A and O only.

Preview PDF
Publication Date
Tue Jun 01 2021
Journal Name
Political Sciences Journal
The economic dimensions of the railway link between Iraq and Kuwait and the role of national alternatives (Faw port and the dry canal as a model(
...Show More Authors

   Decision-makers in each country work to define a list of internal and external interests, goals and threats to their countries according to the nature of their awareness of these interests, goals and threats. 

  Hence, Iraq is not an exception to this rule, and the process of evaluating its interests and the objectives of its foreign policy is subject to the pattern of awareness of decision-makers and the influencing forces in defining its basic interests, which often witness some kind of difference in defining them, evaluating their importance and determining the size of the threats they face. And among these interests and threats that have witnessed a difference in the assessment of their

... Show More
View Publication Preview PDF
Crossref
Publication Date
Sun Jan 25 2026
Journal Name
Iraoi Journal Of Statistical Sciences
حول تقليص تقدير المركبات الرئيسة مع التطبيق
...Show More Authors

This research deals with a shrinking method concerned with the principal components similar to that one which used in the multiple regression “Least Absolute Shrinkage and Selection: LASS”. The goal here is to make an uncorrelated linear combinations from only a subset of explanatory variables that may have a multicollinearity problem instead taking the whole number say, (K) of them. This shrinkage will force some coefficients to equal zero, after making some restriction on them by some "tuning parameter" say, (t) which balances the bias and variance amount from side, and doesn't exceed the acceptable percent explained variance of these components. This had been shown by MSE criterion in the regression case and the percent explained

... Show More
View Publication Preview PDF
Publication Date
Sun Jan 30 2022
Journal Name
مجلة كلية الاسراء الجامعة للعلوم الاجتماعية والانسانية
مدى تلازم التعويض مع الفسخ المبتسر للعقد
...Show More Authors

يتناول البحث فكرة الفسخ المبتسر للعقد من حيث امكانية او عدم امكانية الحكم بهما مجتمعين ومدى تلازمهما

Publication Date
Tue Dec 31 2024
Journal Name
مجلة كلية التربية الاساسية
التعامل مع إدمان طلاب المدارس: التحديات والحلول
...Show More Authors

Publication Date
Mon Nov 09 2015
Journal Name
Iraqi Journal Of Market Research And Consumer Protection
The effect of different thermal treatments and pH on the stability of a glycyrrhizin which Product from the licorice plant, Glycyrrhiza glabra L: The effect of different thermal treatments and pH on the stability of a glycyrrhizin which Product from the licorice plant, Glycyrrhiza glabra L
...Show More Authors

The plant licorice is considered important plants as nutritionally and medically and economically, as a rich in phytochemical, vitamins and minerals, and being widely available, Research indicated the presence of many nutrients such as (proteins, Carbohydrates, vitamins and minerals) as well as presence of Glycyrrhizin which responsible of sweet taste, that allowing the possibility to use it as natural intensity sweetener with few calories in Sweetening of many food. This research is aimed to study the Stability of Glycyrrhizin toward the various manufacturing conditions such as (thermal treatment, pH of foods and microwaves), so three factorial experiments was implemented to find out the Stability as following: 100C° - 121C° - Microwa

... Show More
View Publication Preview PDF
Publication Date
Sun Jun 01 2008
Journal Name
Journal Of Economics And Administrative Sciences
تحليل الدور الاستراتيجي لتقانة المعلومات في منظمات الأعمال
...Show More Authors

The strategic approach had a great effect on information technology analysis which relevant to business organizations. The role was explicated, through uses of the strategic leadership for these approaches to support the strategic capabilities (powers) and its contribution to reach the advantage and superiority strategy. This paper was attempt to reveal the strategic philosophy or strategic talent mind had a big role on confrontation the strategic risk and challenges. The paper was concluded by represents a wide perspective for the information technology and its effects on organizations strategic role. The topic can be considered as a rational and reasonable contribution, in addition to the opportunist pragmatic analysis will sup

... Show More
View Publication Preview PDF
Crossref