A study was conducted at Sulaimani Polytechnic University (SPU) on a filtering antenna array design based on coupling matrix theory. A two-element array using three rectangular waveguide cavity resonators achieved a 10% bandwidth at 10 GHz, a –20 dB reflection coefficient, and a

A study was conducted at Sulaimani Polytechnic University (SPU) on a high-gain, wide-bandwidth microstrip patch antenna array using a double meander dipole structure.The design achieved two in-phase resonant frequencies in the Ku-band (12–18 GHz), 30% impedance bandwidth at 15.5

A study was conducted at Sulaimani Polytechnic University (SPU) to evaluate three open-source firewall solutions—Flexiwan, OPNsense, and pfSense—within SD-WAN architectures using GNS3 simulations.Results showed all three provide solid security features for enterprise WANs, but

A study conducted at Sulaimani Polytechnic University (SPU) explored the prevalence and risk factors of stunting in children aged 4–5, in a region still affected by the 1988 chemical attacks. Stunting can severely impact physical growth, cognitive development, and future

A study conducted at Sulaimani Polytechnic University (SPU) in a Kurdistan Region prison explored the impact of a culturally sensitive interdisciplinary group treatment (psychotherapy + physiotherapy) for incarcerated survivors of torture. Results showed significant short-term

A study was conducted at Sulaimani Polytechnic University (SPU) on maxillofacial silicone elastomers to investigate how artificial aging and pigmentation affect surface roughness—key to prosthesis longevity and hygiene. Using atomic force microscopy (AFM) and FTIR-ATR, the

A study was conducted at Sulaimani Polytechnic University (SPU) in the Kurdistan Region–Iraq to investigate the impact of obesity on iron homeostasis and inflammation. Involving 200 adults, the results showed that obese individuals had significantly elevated inflammatory markers

A study was conducted at Sulaimani Polytechnic University (SPU) focusing on leveraging distributed parallel processing with cloud computing using mobile devices instead of traditional servers. The proposed system significantly enhances performance for heavy-load tasks—reducing

A study conducted at Sulaimani Polytechnic University (SPU) for the first time in Halabja, Iraq, developed community-based reference intervals for lipid profile tests using international standards (IFCC, CLSI, WHO). Accurate diagnostics require population-specific data — yet

A study conducted at Sulaimani Polytechnic University (SPU) Thompson Seedless grapes for up to 30 days in cold storage — reducing decay, cracking, and weight loss without chemicals. A sustainable, first-of-its-kind solution that helps reduce postharvest losses and supports

A study conducted at Sulaimani Polytechnic University (SPU) in 2022 evaluated the effects of moringa, garlic, and turmeric extracts on Salakhani pomegranate trees. Key findings: -All extracts (at various concentrations) significantly improved leaf surface area, dry weight, fruit

A study was conducted at Sulaimani Polytechnic University (SPU) linking low Vitamin D levels to a higher risk of breast cancer in women. Our case-control research in Sulaimaniyah, Iraq, showed that women with Vit D <20 ng/mL had a significantly increased risk—even after adjusting

A study at Sulaimani Polytechnic University (SPU) examined how e-service, e-promotion, and e-distribution impact sales. Findings from Baiwesht Company (Lina Chips) showed a strong link between effective e-marketing and increased sales. The study emphasizes the need for

A study at Sulaimani Polytechnic University (SPU) presents the design of an 18-channel bidirectional IM/DD WDM-PON system operating at 25 Gbps/λ, achieving a total capacity of 450 Gbps. Developed using OptiSystem V.19, the system meets ITU-T G-series Supplement 66

A study was conducted at Sulaimani Polytechnic University (SPU) on Salacinol and Its Analogues as Anti-Diabetic Agents. An in-silico investigation highlights salacinol and its analogues as promising α-glucosidase inhibitors with low toxicity and strong therapeutic potential.

A study was conducted at Sulaimani Polytechnic University (SPU). In this research propose a new Hopfield-based ADC model using a proteretic activation function to reduce training time in artificial neural networks. Simulation results show that the proteretic ADC achieves faster

A study was conducted at Sulaimani Polytechnic University (SPU). This study found that low doses (80–200 ppm) of silver nanoparticles (Ag NPs) boosted steviol glycoside production (up to 1.75×), antioxidants, and plant health in Stevia, while higher doses were harmful. It's the

A study was conducted at Sulaimani Polytechnic University (SPU) to evaluate mohair fibers as a sustainable alternative to synthetics. While they have lower mechanical strength, mohair is renewable, low-toxicity, and suitable for low to medium load applications. Among tested

A study was conducted at Sulaimani Polytechnic University (SPU). In this study, The Malva genus (mallow) is widespread across Europe and the Mediterranean and has long been used in traditional medicine. But many species are hard to distinguish morphologically. To resolve this, we

A study was conducted at Sulaimani Polytechnic University (SPU). In this study, Cyberattacks are growing fast, and traditional defenses can’t keep up. We used ML models on KDD99, UNSW-NB15, and CICIDS2017 datasets with various feature reduction techniques to improve detection