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Molecular Characterization Of Proteus Spp. From Patients Admitted To Hospitals In Erbil City, Treska Dh. Kamil, Sanaria F. Jarjes Dec 2021

Molecular Characterization Of Proteus Spp. From Patients Admitted To Hospitals In Erbil City, Treska Dh. Kamil, Sanaria F. Jarjes

Polytechnic Journal

The study was carried out to detect the identity of Proteus spp. isolated from various clinical specimens in Erbil City by polymerase chain reaction (PCR) technique. Specimens were of urine, wounds swabs, burn swabs, vaginal swabs, ear swabs, eye swabs, and sputum. Fifty-one Proteus isolates, (47) Proteus mirabilis, and (4) Proteus vulgaris, were undergone PCR assay using specific primers, targeting the genes ureR and Urease C (ureC), that encode for urease enzyme as a virulence factor of Proteus species. It was found that all isolates of Proteus mirabilis yielded positive result for ureR gene with an amplicon length of 225 …


Seroprevalence Of Toxoplasma Gondii Immunoglobulin G And Immunoglobulin M Antibodies Among Leukemia Patients In Erbil City-Kurdistan Region/Iraq By Enzyme-Linked Immunosorbent Assay Technique, Hemdad H. Mawlood Dec 2021

Seroprevalence Of Toxoplasma Gondii Immunoglobulin G And Immunoglobulin M Antibodies Among Leukemia Patients In Erbil City-Kurdistan Region/Iraq By Enzyme-Linked Immunosorbent Assay Technique, Hemdad H. Mawlood

Polytechnic Journal

The current study was revealed the seroprevalence of Toxoplasma gondii immunoglobulin (Ig)G and IgM among different types of leukemia (Acute lymphocytic leukemia, acute myeloid leukemia, Hodgkin lymphoma [HL], multiple myeloma [MM], non-HL [NHL], and chronic myeloid leukemia) from male and female patients in different age groups (18–≥48 years) using indirect enzyme-linked immunosorbent assay. The results of 140 cases of different types of leukemia showed the highest T. gondii IgG (44.44%) among MM leukemia whereas T. gondii IgM highest (12.5%) among NHL leukemia. Significant (P ≤ 0.01) differences between T. gondii antibodies and age group were recorded, that increased with the …


The Allelopathic Potential Of Foliar Application Of Aqueous Extracts Of Chickpea On Growth And Yield Of Chickpea, Kawa A. Ali, Kawa K. Miran Dec 2021

The Allelopathic Potential Of Foliar Application Of Aqueous Extracts Of Chickpea On Growth And Yield Of Chickpea, Kawa A. Ali, Kawa K. Miran

Polytechnic Journal

A pot experiment was executed in the college of science, Salahaddin university glass house to investigate the allelopathic potentiality of aqueous chickpea Cicer arietinum L. seed extracts that was foliar sprayed on chickpea plants 45 days after sowing to estimate growth, yield, yield components, and seeds chemical characteristics. Results showed that the allelopathic effect was significant on chickpea plant height, number of pods per plant, seeds per pod, shoot dry weight, seed yield per plant, biological yield per plant, harvest index, hundred seeds weight, nitrogen, protein, and phosphorus content. The allelopathic effect was on its own species, and the effect …


Assessment Of Child Physical Abuse Among Mothers In Mala A Fandi Health Care Centre/Erbil City, Hanaa O. Saadi, Yasin K. Amin, Abass A. Ahmed Dec 2021

Assessment Of Child Physical Abuse Among Mothers In Mala A Fandi Health Care Centre/Erbil City, Hanaa O. Saadi, Yasin K. Amin, Abass A. Ahmed

Polytechnic Journal

Child physical abuse is an important cause of pediatric morbidity and mortality and is associated with major physical and mental health problems that can extend into adulthood. The main research purpose was to assess sociodemographic characteristics of mothers and find out the most common types and physical abuse among children. This descriptive study is conducted on Mothers of Abused Child at Mala A fandi Health Care Centre in Erbil city of Kurdistan region of Iraq. A convenient sampling was used to choose 100 Mothers who visited particular health center. Questionnaire was used as a tool for collecting data from Mothers …


Influence Of Mixture Proportions On Fresh And Mechanical Properties Of Self-Consolidating Concrete, Ghafur H. Ahmed Dec 2021

Influence Of Mixture Proportions On Fresh And Mechanical Properties Of Self-Consolidating Concrete, Ghafur H. Ahmed

Polytechnic Journal

Self-consolidating concrete (SCC) is a concrete that able to flow and consolidate under its own weight, and it is cohesive enough to fill spaces of almost any size and shape without segregation or bleeding. In this study, workability and strength characteristics of seven SCC mixes were examined and compared with two additional vibrated mixes of normal and high strength. For this purpose, the flowability, deformability, and passing ability of fresh concrete mixes were tested through slump test, slump flow, T500, and the J-ring tests. Furthermore, the hardened concrete specimens were tested for mechanical properties with the variation in shape and …


Molecular Phylodiagnosis Of Taenia Hydatigena From Stray Dogs In Erbil Province-Kurdistan Region/Iraq, Zuber I. Hassan Dec 2021

Molecular Phylodiagnosis Of Taenia Hydatigena From Stray Dogs In Erbil Province-Kurdistan Region/Iraq, Zuber I. Hassan

Polytechnic Journal

Taenia hydatigena is one of the most prevalent taeniid species of livestock and dogs. A total of 52 fecal samples were collected from September 2019 to May 2020. The highest prevalence rate was observed in Rural area (21.15%, 11/52), as compared to Urban area (15.38%, 8/52). Nineteen (9 males and 10 females) out of 52 dogs were infected with T. hydatigena; there were no significant differences in prevalence based on molecular technique was observed between females (19.23%) and males (17.31%). The DNA’s of taeniid eggs were extracted, amplified, and sequenced by targeting of mitochondrial cytochrome c oxidase subunit 1 (cox1). …


Growth Of (Platanus Orientalis L.) Seedlings Under Different Drought Stress Condition Dec 2021

Growth Of (Platanus Orientalis L.) Seedlings Under Different Drought Stress Condition

Polytechnic Journal

A lath house study was performed in order that understand the adjustment responses to three different water conditions of Platanus orientalis L. seedlings trying to make them able to adjust to new under dry conditions. Eight months seedlings were exposed to three water regimes (90, 60 and 30% water holding capacity [WHC]) were used r with a completely randomize design. The following parameters were measured; seedling height, leaf area, total chlorophyll content in the leaves, root length, root to shoot ratio, total dry mass, and leaf area ratio. It is found that water stress significantly reduced height and base diameter …


Survey Of Public Knowledge And Implementation Regarding Covid-19 In Sulaymaniyah City, Ismail Y. Maolood, Abdulrahman A. Mhmood Dec 2021

Survey Of Public Knowledge And Implementation Regarding Covid-19 In Sulaymaniyah City, Ismail Y. Maolood, Abdulrahman A. Mhmood

Polytechnic Journal

The currently pandemic virus called SARS-CoV-2 is an international health issue that we have interacted with since World War II. The virus was discovered in the Chinese city of Wuhan in 2019 and has since spread worldwide. Globally, the number of cases is increasing, with new cases being reported in Asia, Africa, the Americas, and Europe. This paper is intended to analyze 2019 novel coronavirus (COVID-19) knowledge, perceptions, and behaviors toward the substance within the general population in the city of Sulaymaniyah. The study was conducted as a cross-sectional survey with 100 adults from various locations throughout Sulaymaniyah. These places …


Effect Of Fenugreek Seeds In Maternal Diet On Some Features Of Newborn Pups In Albino Mice, Karim R. Hamad Dec 2021

Effect Of Fenugreek Seeds In Maternal Diet On Some Features Of Newborn Pups In Albino Mice, Karim R. Hamad

Polytechnic Journal

Introduction: Fenugreek seeds have got interest of researchers for their positive effects on laboratory animals and human being, including their effects on reproductive system. The present study aimed to investigate the effects of 5% raw fenugreek seed and its boiled aqueous extract containing diet on adult female mice, for 2 weeks before mating, to evaluate fertility, and some features of newborn pups. Materials and Methods: A total of 90 adult female mice randomly and equally were divided into three groups. Group I: Control, Group II: Female mice treated with 5% raw fenugreek seed containing diet, and Group III: Female mice …


A Systematic Review And Meta-Analysis Of Most Endoparasites And Ectoparasites During Past Decade In Iraq, Karwan S. Najm Al-Marjan, Hawri H. Mohammed Jabbary, Liza J. Yousif, Fouad H. Kamil, Najat J. Ahmed Dec 2021

A Systematic Review And Meta-Analysis Of Most Endoparasites And Ectoparasites During Past Decade In Iraq, Karwan S. Najm Al-Marjan, Hawri H. Mohammed Jabbary, Liza J. Yousif, Fouad H. Kamil, Najat J. Ahmed

Polytechnic Journal

Today, our society is polluted with the diseases belong to various types including inherited, germs, hazard infectious with physiologic one. Information on the disease epidemiology and reviewing data analysis helps us in controlling strategies. Since the early 1980s, this region has faced wars, political irregularity, and economic collapse, leads to the migration of over ten million people, two million have internally displaced. In addition to several other factors which mentioned by ministry of health includes poor sanitation, poor nutrition and also population density because population of Iraq has more than doubled in the last 25 years. The aim of any …


Determination Of Discharge Coefficient For Both Semicircular And Triangular Labyrinth Weirs, Tara H. Aurahman, Jehan M. Fattah Sheikh Suleimany, Taban K. Hamad Dec 2021

Determination Of Discharge Coefficient For Both Semicircular And Triangular Labyrinth Weirs, Tara H. Aurahman, Jehan M. Fattah Sheikh Suleimany, Taban K. Hamad

Polytechnic Journal

A Labyrinth weir is a type of nonlinear weir folded in plan-view, with the ability to pass a large flow at low heads due to an increase in the effective length of the weir crest for a given channel width. The discharge coefficients (Cd) were experimentally determined for both semicircular and triangular labyrinth weirs of varying sidewall angles (α) under free-flow conditions using eight physical models. Dimensional analyses are conducted using the Buckingham π theorem to find the dependent and non-dependent variables. A nonlinear empirical equation was developed using (Statistical Package for the Social Sciences 22) software. The findings show …


Identification Of Relationships Between Fingerprint Patterns And Gender In Koya, Kurdistan Region, Iraq., Zaitoon A. Hamad, Hemn R. Salih, Layla K. Ali Dec 2021

Identification Of Relationships Between Fingerprint Patterns And Gender In Koya, Kurdistan Region, Iraq., Zaitoon A. Hamad, Hemn R. Salih, Layla K. Ali

Polytechnic Journal

According to this research probe the correlation between fingerprints and the gender for all 10 fingerprints. For this inquiry, 4939 samples were collected from 247 females and 247 male’s ages between 7 and 13 years old. This is the first systematic research of its kind to check at ten fingerprints for people from Koya, Kurdistan region north of Iraq. As per the findings, gender identity is accurate for people with any of their ten fingerprints. After magnifying the obviously acquired photos, the four basic fingerprint structures were identified and registered: Arch, Radial loop, Ulner loop, and Whorl. Statistical analysis was …


Computational Fluid Dynamic Optimization Of Supply And Return Duct Position For Zone Air Distribution Dec 2021

Computational Fluid Dynamic Optimization Of Supply And Return Duct Position For Zone Air Distribution

Polytechnic Journal

Air conditioning accounts for roughly half of all energy consumption in residential buildings. Today’s issue is optimizing the air conditioning system and methods of conveying heated and cooled air to prevent additional energy consumption. The optimal supply and return duct position is studied and the results based on the minimum air temperature and pressure in the room, while the room air distribution is taken into account. The main objective of air conditioning, which is impacted by duct position, is to provide thermal comfort in the room. Using Computational Fluid Dynamic, a controlled zone is designed and analyzed in the room …


Challenges In The Implementation Of The Bologna Process, Jabbar H. Ade Dec 2021

Challenges In The Implementation Of The Bologna Process, Jabbar H. Ade

Polytechnic Journal

Bologna process is the instruction for reshaping in the higher education system, which created significant obstacles for its implementation. The objective of this study is to investigate the issues and challenges faced Kurdistan universities during the implementation of the Bologna process. In this study, three universities have been focused; two public and a private university. A questionnaire form was designed or the three universities’ staff (Erbil Polytechnic University [EPU], Soran University, and Cihan University) which included several questions about the challenges faced them during European Credit Transfer System (ECTS) implementation. The results show that Cihan University provides more knowledge about …


Occurrence Of Blatem Among Pseudomonas Aeruginosa Strains Isolated From Different Clinical Samples In Erbil City, Sevan H. Bakir, Fattma A. Ali, Bashdar M. Hussen, Shahin H. Mustafa, Ahmed Akil Dec 2021

Occurrence Of Blatem Among Pseudomonas Aeruginosa Strains Isolated From Different Clinical Samples In Erbil City, Sevan H. Bakir, Fattma A. Ali, Bashdar M. Hussen, Shahin H. Mustafa, Ahmed Akil

Polytechnic Journal

Pseudomonas aeruginosa was a significant source of nosocomial infection with the presence of extended-spectrum β-lactamases (ESBLs) and metallo-β-lactamases (MBL) genes in P. aeruginosa being progressively documented globally. The purpose of this investigation was to detection the occurrence of MBL and ESBL in P. aeruginosa isolates acquired from diverse clinical samples, as well as the prevalence of blaTEM genes producing ESBLs. A total of 227 samples were obtained from various clinical specimens (wound, urine, sputum, bronchial wash, and burn) at public hospitals in Erbil region. Microorganism was obtained, treated, and recognized using normal microbiological culture procedures, biochemical testing, DNA extraction, and …


Molecular Characterization Of Proteus Spp. From Patients Admitted To Hospitals In Erbil City, Treska Dh. Kamil, Sanaria F. Jarjes Dec 2021

Molecular Characterization Of Proteus Spp. From Patients Admitted To Hospitals In Erbil City, Treska Dh. Kamil, Sanaria F. Jarjes

Polytechnic Journal

The study was carried out to detect the identity of Proteus spp. isolated from various clinical specimens in Erbil City by polymerase chain reaction (PCR) technique. Specimens were of urine, wounds swabs, burn swabs, vaginal swabs, ear swabs, eye swabs, and sputum. Fifty-one Proteus isolates, (47) Proteus mirabilis, and (4) Proteus vulgaris, were undergone PCR assay using specific primers, targeting the genes ureR and Urease C (ureC), that encode for urease enzyme as a virulence factor of Proteus species. It was found that all isolates of Proteus mirabilis yielded positive result for ureR gene with an amplicon length of 225 …


The Dissolution Enhancement Of Meloxicam Tablets From The Synergistic Effect Of Hydrotropic And Sublimating Agent, Hemn L. Qader, Tara A. Abdula, Huner K. Omer Dec 2021

The Dissolution Enhancement Of Meloxicam Tablets From The Synergistic Effect Of Hydrotropic And Sublimating Agent, Hemn L. Qader, Tara A. Abdula, Huner K. Omer

Polytechnic Journal

Background and Objective: Drugs which fall into Class II of Biopharmaceutical Classification System suffer from poor aqueous solubility that limits the dissolution and oral bioavailability. The improvement of the dissolution rate of this class of drug is an important issue for enhancing their bioavailability and therapeutic efficacy. The objective of this study is to investigate the magnitude of enhancement of the dissolution rate of Class II drug “Meloxicam (MLX)” by using more than one solubility enhancement technique.


The Hypoglycemic And Hypolipidemic Potential Of Ginger-Thyme Combined Extract In Sucrose Induced Hyperglycemic Rats, Burhan A. Salih, Dilzar Sabah Asaad Dec 2021

The Hypoglycemic And Hypolipidemic Potential Of Ginger-Thyme Combined Extract In Sucrose Induced Hyperglycemic Rats, Burhan A. Salih, Dilzar Sabah Asaad

Polytechnic Journal

The current study is designed to investigate the in vivo action of ginger- thyme combined crude extract on hyperglycemia and obesity related measurements in sucrose induced chronic hyperglycemia experimental model in albino male rats. Twenty-five male albino rats were divided into five groups (N=5 for each); First group was regarded as control which consists of rats feed with normal diet and water ad libitum, while second group was the model which consists of rats fed with high sucrose fed (HSF) (50%sucrose). and other three groups were rats which treated with three different doses of ginger-thyme combination extract (125mg/kg, 250 mg/kg …


Seroprevalence Of Toxoplasma Gondii Immunoglobulin G And Immunoglobulin M Antibodies Among Leukemia Patients In Erbil City-Kurdistan Region/Iraq By Enzyme-Linked Immunosorbent Assay Technique, Hemdad H. Mawlood Dec 2021

Seroprevalence Of Toxoplasma Gondii Immunoglobulin G And Immunoglobulin M Antibodies Among Leukemia Patients In Erbil City-Kurdistan Region/Iraq By Enzyme-Linked Immunosorbent Assay Technique, Hemdad H. Mawlood

Polytechnic Journal

The current study was revealed the seroprevalence of Toxoplasma gondii immunoglobulin (Ig)G and IgM among different types of leukemia (Acute lymphocytic leukemia, acute myeloid leukemia, Hodgkin lymphoma [HL], multiple myeloma [MM], non-HL [NHL], and chronic myeloid leukemia) from male and female patients in different age groups (18–≥48 years) using indirect enzyme-linked immunosorbent assay. The results of 140 cases of different types of leukemia showed the highest T. gondii IgG (44.44%) among MM leukemia whereas T. gondii IgM highest (12.5%) among NHL leukemia. Significant (P ≤ 0.01) differences between T. gondii antibodies and age group were recorded, that increased with the …


The Allelopathic Potential Of Foliar Application Of Aqueous Extracts Of Chickpea On Growth And Yield Of Chickpea, Kawa A. Ali, Kawa K. Miran Dec 2021

The Allelopathic Potential Of Foliar Application Of Aqueous Extracts Of Chickpea On Growth And Yield Of Chickpea, Kawa A. Ali, Kawa K. Miran

Polytechnic Journal

A pot experiment was executed in the college of science, Salahaddin university glass house to investigate the allelopathic potentiality of aqueous chickpea Cicer arietinum L. seed extracts that was foliar sprayed on chickpea plants 45 days after sowing to estimate growth, yield, yield components, and seeds chemical characteristics. Results showed that the allelopathic effect was significant on chickpea plant height, number of pods per plant, seeds per pod, shoot dry weight, seed yield per plant, biological yield per plant, harvest index, hundred seeds weight, nitrogen, protein, and phosphorus content. The allelopathic effect was on its own species, and the effect …


Assessment Of Child Physical Abuse Among Mothers In Mala A Fandi Health Care Centre/Erbil City, Hanaa O. Saadi, Yasin K. Amin, Abass A. Ahmed Dec 2021

Assessment Of Child Physical Abuse Among Mothers In Mala A Fandi Health Care Centre/Erbil City, Hanaa O. Saadi, Yasin K. Amin, Abass A. Ahmed

Polytechnic Journal

Child physical abuse is an important cause of pediatric morbidity and mortality and is associated with major physical and mental health problems that can extend into adulthood. The main research purpose was to assess sociodemographic characteristics of mothers and find out the most common types and physical abuse among children. This descriptive study is conducted on Mothers of Abused Child at Mala A fandi Health Care Centre in Erbil city of Kurdistan region of Iraq. A convenient sampling was used to choose 100 Mothers who visited particular health center. Questionnaire was used as a tool for collecting data from Mothers …


Influence Of Mixture Proportions On Fresh And Mechanical Properties Of Self-Consolidating Concrete, Ghafur H. Ahmed Dec 2021

Influence Of Mixture Proportions On Fresh And Mechanical Properties Of Self-Consolidating Concrete, Ghafur H. Ahmed

Polytechnic Journal

Self-consolidating concrete (SCC) is a concrete that able to flow and consolidate under its own weight, and it is cohesive enough to fill spaces of almost any size and shape without segregation or bleeding. In this study, workability and strength characteristics of seven SCC mixes were examined and compared with two additional vibrated mixes of normal and high strength. For this purpose, the flowability, deformability, and passing ability of fresh concrete mixes were tested through slump test, slump flow, T500, and the J-ring tests. Furthermore, the hardened concrete specimens were tested for mechanical properties with the variation in shape and …


Molecular Phylodiagnosis Of Taenia Hydatigena From Stray Dogs In Erbil Province-Kurdistan Region/Iraq, Zuber I. Hassan Dec 2021

Molecular Phylodiagnosis Of Taenia Hydatigena From Stray Dogs In Erbil Province-Kurdistan Region/Iraq, Zuber I. Hassan

Polytechnic Journal

Taenia hydatigena is one of the most prevalent taeniid species of livestock and dogs. A total of 52 fecal samples were collected from September 2019 to May 2020. The highest prevalence rate was observed in Rural area (21.15%, 11/52), as compared to Urban area (15.38%, 8/52). Nineteen (9 males and 10 females) out of 52 dogs were infected with T. hydatigena; there were no significant differences in prevalence based on molecular technique was observed between females (19.23%) and males (17.31%). The DNA’s of taeniid eggs were extracted, amplified, and sequenced by targeting of mitochondrial cytochrome c oxidase subunit 1 (cox1). …


Growth Of (Platanus Orientalis L.) Seedlings Under Different Drought Stress Condition Dec 2021

Growth Of (Platanus Orientalis L.) Seedlings Under Different Drought Stress Condition

Polytechnic Journal

A lath house study was performed in order that understand the adjustment responses to three different water conditions of Platanus orientalis L. seedlings trying to make them able to adjust to new under dry conditions. Eight months seedlings were exposed to three water regimes (90, 60 and 30% water holding capacity [WHC]) were used r with a completely randomize design. The following parameters were measured; seedling height, leaf area, total chlorophyll content in the leaves, root length, root to shoot ratio, total dry mass, and leaf area ratio. It is found that water stress significantly reduced height and base diameter …


Survey Of Public Knowledge And Implementation Regarding Covid-19 In Sulaymaniyah City, Ismail Y. Maolood, Abdulrahman A. Mhmood Dec 2021

Survey Of Public Knowledge And Implementation Regarding Covid-19 In Sulaymaniyah City, Ismail Y. Maolood, Abdulrahman A. Mhmood

Polytechnic Journal

The currently pandemic virus called SARS-CoV-2 is an international health issue that we have interacted with since World War II. The virus was discovered in the Chinese city of Wuhan in 2019 and has since spread worldwide. Globally, the number of cases is increasing, with new cases being reported in Asia, Africa, the Americas, and Europe. This paper is intended to analyze 2019 novel coronavirus (COVID-19) knowledge, perceptions, and behaviors toward the substance within the general population in the city of Sulaymaniyah. The study was conducted as a cross-sectional survey with 100 adults from various locations throughout Sulaymaniyah. These places …


Effect Of Fenugreek Seeds In Maternal Diet On Some Features Of Newborn Pups In Albino Mice, Karim R. Hamad Dec 2021

Effect Of Fenugreek Seeds In Maternal Diet On Some Features Of Newborn Pups In Albino Mice, Karim R. Hamad

Polytechnic Journal

Introduction: Fenugreek seeds have got interest of researchers for their positive effects on laboratory animals and human being, including their effects on reproductive system. The present study aimed to investigate the effects of 5% raw fenugreek seed and its boiled aqueous extract containing diet on adult female mice, for 2 weeks before mating, to evaluate fertility, and some features of newborn pups. Materials and Methods: A total of 90 adult female mice randomly and equally were divided into three groups. Group I: Control, Group II: Female mice treated with 5% raw fenugreek seed containing diet, and Group III: Female mice …


A Systematic Review And Meta-Analysis Of Most Endoparasites And Ectoparasites During Past Decade In Iraq, Karwan S. Najm Al-Marjan, Hawri H. Mohammed Jabbary, Liza J. Yousif, Fouad H. Kamil, Najat J. Ahmed Dec 2021

A Systematic Review And Meta-Analysis Of Most Endoparasites And Ectoparasites During Past Decade In Iraq, Karwan S. Najm Al-Marjan, Hawri H. Mohammed Jabbary, Liza J. Yousif, Fouad H. Kamil, Najat J. Ahmed

Polytechnic Journal

Today, our society is polluted with the diseases belong to various types including inherited, germs, hazard infectious with physiologic one. Information on the disease epidemiology and reviewing data analysis helps us in controlling strategies. Since the early 1980s, this region has faced wars, political irregularity, and economic collapse, leads to the migration of over ten million people, two million have internally displaced. In addition to several other factors which mentioned by ministry of health includes poor sanitation, poor nutrition and also population density because population of Iraq has more than doubled in the last 25 years. The aim of any …


Determination Of Discharge Coefficient For Both Semicircular And Triangular Labyrinth Weirs, Tara H. Aurahman, Jehan M. Fattah Sheikh Suleimany, Taban K. Hamad Dec 2021

Determination Of Discharge Coefficient For Both Semicircular And Triangular Labyrinth Weirs, Tara H. Aurahman, Jehan M. Fattah Sheikh Suleimany, Taban K. Hamad

Polytechnic Journal

A Labyrinth weir is a type of nonlinear weir folded in plan-view, with the ability to pass a large flow at low heads due to an increase in the effective length of the weir crest for a given channel width. The discharge coefficients (Cd) were experimentally determined for both semicircular and triangular labyrinth weirs of varying sidewall angles (α) under free-flow conditions using eight physical models. Dimensional analyses are conducted using the Buckingham π theorem to find the dependent and non-dependent variables. A nonlinear empirical equation was developed using (Statistical Package for the Social Sciences 22) software. The findings show …


Identification Of Relationships Between Fingerprint Patterns And Gender In Koya, Kurdistan Region, Iraq., Zaitoon A. Hamad, Hemn R. Salih, Layla K. Ali Dec 2021

Identification Of Relationships Between Fingerprint Patterns And Gender In Koya, Kurdistan Region, Iraq., Zaitoon A. Hamad, Hemn R. Salih, Layla K. Ali

Polytechnic Journal

According to this research probe the correlation between fingerprints and the gender for all 10 fingerprints. For this inquiry, 4939 samples were collected from 247 females and 247 male’s ages between 7 and 13 years old. This is the first systematic research of its kind to check at ten fingerprints for people from Koya, Kurdistan region north of Iraq. As per the findings, gender identity is accurate for people with any of their ten fingerprints. After magnifying the obviously acquired photos, the four basic fingerprint structures were identified and registered: Arch, Radial loop, Ulner loop, and Whorl. Statistical analysis was …


Computational Fluid Dynamic Optimization Of Supply And Return Duct Position For Zone Air Distribution Dec 2021

Computational Fluid Dynamic Optimization Of Supply And Return Duct Position For Zone Air Distribution

Polytechnic Journal

Air conditioning accounts for roughly half of all energy consumption in residential buildings. Today’s issue is optimizing the air conditioning system and methods of conveying heated and cooled air to prevent additional energy consumption. The optimal supply and return duct position is studied and the results based on the minimum air temperature and pressure in the room, while the room air distribution is taken into account. The main objective of air conditioning, which is impacted by duct position, is to provide thermal comfort in the room. Using Computational Fluid Dynamic, a controlled zone is designed and analyzed in the room …