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Effect the Natural Lighting In The Visual Comfort & Workers Satisfaction in Industrial Companies
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Energy crisis and the requirements of health and feel good, all this renewed attention to the importance of natural lighting in all kinds of factories.
    Research problem was how to achieve the plant's own natural outlets visual comfort and satisfaction of workers in
Companies, the industries of cotton and general al-fedaa.

     The research compuns address the impact of daylight to provide visual comfort in the factory. Indeed, the light must be treated very carefully, and natural lighting should be thinking from the perspective of the occupants of the plant and not wishing to view from the outside, but enjoy the comfort inside the plant. The research aims to study the current distribution and the effect of natural light inside the plant, and methods of control of the radiation force from which, using modern technology to gain access to better distribution of regular and homogeneous spaces for work. Also been studied aspects of the physiological and psychological to users of spaces industrialized after achieving visual comfort and to clarify what leaves the natural light from the effects of work and production rates and prolonging the stay of workers in the spaces of work, as the area of ​​research, and to determine the level of the current lighting and determine the gap, and proposed solutions to companies in the provision of work environment is stressful to the eye. To reach the objectives of the Research, we used a number of tools for data collection and analysis, such as, a list of screening, field observations, a simple off linear regression. And has proven results on the level of the practical side (the two companies acceptable level of satisfaction and comfort to their employees and do not affect natural lighting significantly in visual comfort and satisfaction for staff.) is designed to plant a small horizontal side vents Large, high-holes with a ceiling lighting (North) using the program 3dmax)), to achieve the best suitable design for the convenience of working in the factory. After analysis found that this design is the space appropriate in terms of the impact of ports natural lighting in visual comfort and satisfaction of employees as well as in terms of health, psychological, where it is this determination to bring the balance of light comfortable vision at work sites, and works to remove the cases to influence negative light Kalabhar uncomfortable The luminance and sunspots and improves the performance of employees. Find out the conclusions of the intellectual and practical diagnosis we find that reality of natural lighting in the ports of two companies revealed the existence of a gap ports, natural lighting and the current low rates to achieve the requirements of comfort and satisfaction for their employees. Recommended the adoption of research results of the evaluation checklist and the adoption of the proposed design to determine and to achieve continuous improvement of the quality of the work environment and that are reflected on the efficiency of performance.

 

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Publication Date
Fri May 01 2015
Journal Name
Journal Of Engineering
Numerical Analysis of Fluid Flow and Heat Transfer by Forced Convection in Channel with one-sided Semicircular Sections and Filled with Porous Media
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This research presents a numerical study to simulate the heat transfer by forced convection as a result of fluid flow inside channel’s with one-sided semicircular sections and fully filled with porous media. The study assumes that the fluid were Laminar , Steady , Incompressible and inlet Temperature was less than Isotherm temperature of a Semicircular sections .Finite difference techniques were used to present the governing equations (Momentum, Energy and Continuity). Elliptical Grid is Generated using Poisson’s equations . The Algebraic equations were solved numerically by using (LSOR (.This research studied the effect of changing the channel shapes on fluid flow and heat transfer  in two cases ,the first: cha

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Tue Oct 01 2024
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Energy And Buildings
Year-round performance evaluation of photovoltaic-thermal collector with nano-modified phase-change material for building application in an arid desert climate zone
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Enhancing charge transfer in 0D/2D cobalt sulfide/boron-doped graphitic carbon nitride heterojunction photocatalyst for degradation of organic pollutants under LED illumination
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Semiconductor-based photocatalytic processes are widely applied as ecofriendly technology for degrading organic pollutants. Establishing photocatalytic heterojunctions with Z-type photocarriers transfer pathways is projected to be a superb strategy to enhance photocatalytic behavior. In this paper, novel and stable (0D/2D) heterojunctions of CoS-embedded boron-doped g-C3N4 (CoS/BCN) with a high rate of charges transfer/separation were assembled for degradation of malachite green dye (MG). The CoS/BCN photocatalyst achieves a photodegradation efficiency of 96.9 % within 1 h of LED illumination, which is 2.5 and 1.4-fold enhancement compared with bare g-C3N4 and BCN, respectively. Besides, the results of species-trapping trials exhibited that

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Tue Jun 11 2019
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Iraqi Journal Of Pharmaceutical Sciences ( P-issn 1683 - 3597 E-issn 2521 - 3512)
Evaluating Health-Related Quality of Life (HRQoL) in Iraqi Adult and Pediatric Patients with Beta-Thalassemia Major Using Two Different Iron Chelation Therapies
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Sun Jan 01 2017
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Analytical Methods
Determination of pharmaceuticals in freshwater sediments using ultrasonic-assisted extraction with SPE clean-up and HPLC-DAD or LC-ESI-MS/MS detection
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A robust and sensitive analytical method is presented for the extraction and determination of six pharmaceuticals in freshwater sediments.

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Adenoidectomy and Endoscopic Myringotomy with and without ventilation tube insertion for Treatment of Otitis Media with Effusion in 6-12 years old Children
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Publication Date
Wed Jun 24 2026
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Comparative Hepatoprotective Effects of Dapagliflozin and Silymarin Against Cyclophosphamide-Induced Liver Injury in Rats: Involvement of Nrf2/HO-1, HNF4α, and HNF6 Pathways
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Background: Cyclophosphamide (Cpd), a common immunosuppressive and chemotherapeutic drug, can cause hepatotoxicity by inducing inflammation and oxidative stress. Dapagliflozin (Dapa) and other sodium-glucose cotransporter-2 inhibitors (SGLT2i) have anti-inflammatory and antioxidant properties, and Silymarin is a natural compound extracted from the seeds of the milk thistle plant (Silybum marianum). It is best known for its antioxidant, anti-inflammatory, and hepatoprotective effects.Objective: By measuring oxidative stress, inflammation, and liver regeneration parameters, with an emphasis on the Nrf2/HO-1 pathway and hepatocyte nuclear factors (HNF4α and HNF6), Dapa's hepatoprotective effects in comparison to Sil on Cpd-induced liv

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Publication Date
Fri May 16 2025
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Enhancing Predictive Maintenance in Energy Systems Using a Hybrid Kolmogorov-Arnold Network (KAN) with Short-Time Fourier Transform (STFT) Framework for Rotating Machinery
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This study proposes a hybrid predictive maintenance framework that integrates the Kolmogorov-Arnold Network (KAN) with Short-Time Fourier Transform (STFT) for intelligent fault diagnosis in industrial rotating machinery. The method is designed to address challenges posed by non-linear and non-stationary vibration signals under varying operational conditions. Experimental validation using the FALEX multispecimen test bench demonstrated a high classification accuracy of 97.5%, outperforming traditional models such as SVM, Random Forest, and XGBoost. The approach maintained robust performance across dynamic load scenarios and noisy environments, with precision and recall exceeding 95%. Key contributions include a hardware-accelerated K

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