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2020

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Articles 61 - 90 of 13409

Full-Text Articles in Life Sciences

Smokejumper Obituary: Wright, Joe E. "Grey Eagle" (Grangeville 1958), National Smokejumper Association Dec 2020

Smokejumper Obituary: Wright, Joe E. "Grey Eagle" (Grangeville 1958), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.


Smokejumper Obituary: Allen, James Charles (North Cascades 1946), National Smokejumper Association Dec 2020

Smokejumper Obituary: Allen, James Charles (North Cascades 1946), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.


Smokejumper Obituary: Hinkle, Gene E. (Missoula 1947), National Smokejumper Association Dec 2020

Smokejumper Obituary: Hinkle, Gene E. (Missoula 1947), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.


Smokejumper Obituary: Adams, Marshall Carruth (Missoula 1948), National Smokejumper Association Dec 2020

Smokejumper Obituary: Adams, Marshall Carruth (Missoula 1948), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.


Katanning Research Facility Carbon Footprint Assessment And Strategy To Achieve Carbon Neutrality By 2030, Stephen Wiedemann, Kristina Duff, Mandy Curnow, Perry J. Dolling, David Bicknell, Paul Sanford, John P. Collins, Gavin D'Adhemar Dec 2020

Katanning Research Facility Carbon Footprint Assessment And Strategy To Achieve Carbon Neutrality By 2030, Stephen Wiedemann, Kristina Duff, Mandy Curnow, Perry J. Dolling, David Bicknell, Paul Sanford, John P. Collins, Gavin D'Adhemar

Climate Science Published Reports

As part of the Western Australian Government’s commitment to emissions reduction and the sustainable mitigation of climate change, the Department of Primary Industries and Regional Development (DPIRD) identified that the Katanning Research Facility (KRF) is a significant greenhouse gas (GHG) emitter and that the site provides an opportunity to improve our understanding of emissions arising from agriculture, particularly livestock production. This report presents a baseline organisational carbon footprint assessment and a sustainable emissions reduction strategy with the goal of achieving carbon neutrality for the research facility by 2030.

KRF, with its intensive animal facilities and commercial farm setup, is the …


Genetic Variants In Immune Related Genes As Predictors Of Responsiveness To Bcg Immunotherapy In Metastatic Melanoma Patients., Romela Irene Ramos, Misa A Shaw, Leland Foshag, Stacey L Stern, Negin Rahimzadeh, David Elashoff, Dave Hoon Dec 2020

Genetic Variants In Immune Related Genes As Predictors Of Responsiveness To Bcg Immunotherapy In Metastatic Melanoma Patients., Romela Irene Ramos, Misa A Shaw, Leland Foshag, Stacey L Stern, Negin Rahimzadeh, David Elashoff, Dave Hoon

Articles, Abstracts, and Reports

Adjuvant immunotherapy in melanoma patients improves clinical outcomes. However, success is unpredictable due to inherited heterogeneity of immune responses. Inherent immune genes associated with single nucleotide polymorphisms (SNPs) may influence anti-tumor immune responses. We assessed the predictive ability of 26 immune-gene SNPs genomic panels for a clinical response to adjuvant BCG (Bacillus Calmette-Guérin) immunotherapy, using melanoma patient cohorts derived from three phase III multicenter clinical trials: AJCC (American Joint Committee on Cancer) stage IV patients given adjuvant BCG (pilot cohort; n = 92), AJCC stage III patients given adjuvant BCG (verification cohort; n = 269), and …


Effect Of Cultivation Parameters On Fermentation And Hydrogen Production In The Phylum, Mariamichela Lanzilli, Nunzia Esercizio, Marco Vastano, Zhaohui Xu, Genoveffa Nuzzo, Carmela Gallo, Emiliano Manzo, Angelo Fontana, Giuliana D'Ippolito Dec 2020

Effect Of Cultivation Parameters On Fermentation And Hydrogen Production In The Phylum, Mariamichela Lanzilli, Nunzia Esercizio, Marco Vastano, Zhaohui Xu, Genoveffa Nuzzo, Carmela Gallo, Emiliano Manzo, Angelo Fontana, Giuliana D'Ippolito

Biological Sciences Faculty Publications

The phylum is composed of a single class (), 4 orders (), 5 families (), and 13 genera. They have been isolated from extremely hot environments whose characteristics are reflected in the metabolic and phenotypic properties of the species. The metabolic versatility of members leads to a pool of high value-added products with application potentials in many industry fields. The low risk of contamination associated with their extreme culture conditions has made most species of the phylum attractive candidates in biotechnological processes. Almost all members of the phylum, especially those in the order , can produce bio-hydrogen from a variety …


Smokejumper Obituary: Tyler, Grover Sumpter "Doc" (Missoula 1947), National Smokejumper Association Dec 2020

Smokejumper Obituary: Tyler, Grover Sumpter "Doc" (Missoula 1947), National Smokejumper Association

Smokejumper Obituaries

No abstract provided.


Climatic Drivers Of Verticillium Dahliae Occurrence In Mediterranean Olive-Growing Areas Of Southern Spain, Juan M. Requena-Mullor, Jose Manuel García-Garrido, Pedro Antonio García, Estefanía Rodríguez Dec 2020

Climatic Drivers Of Verticillium Dahliae Occurrence In Mediterranean Olive-Growing Areas Of Southern Spain, Juan M. Requena-Mullor, Jose Manuel García-Garrido, Pedro Antonio García, Estefanía Rodríguez

Biology Faculty Publications and Presentations

Verticillium wilt, caused by the soil-borne fungus Verticillium dahliae, is one of the most harmful diseases in Mediterranean olive-growing areas. Although, the effects of both soil temperature and moisture on V. dahliae are well known, there is scant knowledge about what climatic drivers affect the occurrence of the pathogen on a large scale. Here, we investigate what climatic drivers determine V. dahliae occurrence in olive-growing areas in southern Spain. In order to bridge this gap in knowledge, a large-scale field survey was carried out to collect data on the occurrence of V. dahliae in 779 olive groves in Granada …


A Historical Ecology Of Aridland Springs In Desert National Wildlife Refuge, Nuwu/Nuwuvi (Southern Paiute/Chemehuevi) Ancestral Territory, Nevada, Yarrow Sarah Valentine Geggus Dec 2020

A Historical Ecology Of Aridland Springs In Desert National Wildlife Refuge, Nuwu/Nuwuvi (Southern Paiute/Chemehuevi) Ancestral Territory, Nevada, Yarrow Sarah Valentine Geggus

Dissertations and Theses

Aridland springs are among the most threatened ecosystems in the world. Vital to desert ecologies and Indigenous cultures, these complex and individualistic ecosystems have layered histories. To inform management in the changing landscape of Desert National Wildlife Refuge, a 1.6 million acre protected area in Southern Nevada, I conducted a historical ecology study of a sample of ten upland springs. Through a six-part interdisciplinary methodology including interviews, archaeological survey, botanical survey, and archival research, I summarize findings into three broad eras: the Nuwu/Nuwuvi pre-Contact Era, the Settler Era, and the U.S. Fish and Wildlife Service Era.

For millennia, Nuwu/Nuwuvi drank …


Sensitivity Analysis Of An Agent-Based Simulation Model Using Reconstructability Analysis, Andey M. Nunes, Martin Zwick, Wayne Wakeland Dec 2020

Sensitivity Analysis Of An Agent-Based Simulation Model Using Reconstructability Analysis, Andey M. Nunes, Martin Zwick, Wayne Wakeland

Complex Systems Faculty Publications and Presentations

Reconstructability analysis, a methodology based on information theory and graph theory, was used to perform a sensitivity analysis of an agent-based model. The NetLogo BehaviorSpace tool was employed to do a full 2k factorial parameter sweep on Uri Wilensky’s Wealth Distribution NetLogo model, to which a Gini-coefficient convergence condition was added. The analysis identified the most influential predictors (parameters and their interactions) of the Gini coefficient wealth inequality outcome. Implications of this type of analysis for building and testing agent-based simulation models are discussed.


Epidemiology Of Non-Alcoholic Fatty Liver Disease And Risk Of Hepatocellular Carcinoma Progression, Krishna Chaitanya Thandra, Adam Barsouk, Kalyan Saginala, John Sukumar Aluru, Prashanth Rawla, Alexander Barsouk Dec 2020

Epidemiology Of Non-Alcoholic Fatty Liver Disease And Risk Of Hepatocellular Carcinoma Progression, Krishna Chaitanya Thandra, Adam Barsouk, Kalyan Saginala, John Sukumar Aluru, Prashanth Rawla, Alexander Barsouk

Kimmel Cancer Center Faculty Papers

Non-alcoholic fatty liver disease (NAFLD) has become the most common chronic liver disease worldwide. Its incidence has grown alongside the increasing global prevalence of type 2 diabetes, obesity, and metabolic syndrome. The risk of progression to hepatocellular carcinoma for nonalcoholic steatohepatitis patients over 5 years is 8%, and despite targeted and immunotherapy treatment advances, HCC maintains a bleak 5-year survival of 19%. NAFLD’s primary risk factors are components of metabolic syndrome as well as possible sleep disturbances. NAFLD is most common among men 50-60 years of age, though incidence in women catches up after menopause. In the US, Hispanics are …


Malignant Eccrine Adenoma With Sarcomatous (Heterologous) Components: Report Of A Rare Skin Adnexal Neoplasm With Literature Review, Hira Ishtiaq, Muhammad Abdulwaasey, Muhammad Usman Tariq, Saira Fatima Dec 2020

Malignant Eccrine Adenoma With Sarcomatous (Heterologous) Components: Report Of A Rare Skin Adnexal Neoplasm With Literature Review, Hira Ishtiaq, Muhammad Abdulwaasey, Muhammad Usman Tariq, Saira Fatima

Department of Pathology and Laboratory Medicine

Malignant eccrine spiradenoma (MES) is an exceedingly rare skin adnexal tumor that arises from pre-existing benign eccrine spiradenoma (BES). MES tumors show a wide spectrum of morphological features, posing a diagnostic challenge to the pathologist. Sarcomatous (heterologous) elements are seen in a few of these tumors, further complicating the morphological picture. We herein describe a case of a 66-year-old male who presented with a recently enlarging, ulcerated, nodular skin lesion over the right leg that had been present for the last 25 years. The patient underwent wide local excision of the tumor. Microscopic examination revealed a neoplastic lesion comprising benign …


Simulation Of Mosul Dam Break Using Finite Volume Method, Ayhan H. Saleem, Jowhar R. Mohammad Dec 2020

Simulation Of Mosul Dam Break Using Finite Volume Method, Ayhan H. Saleem, Jowhar R. Mohammad

Polytechnic Journal

Mosul dam is an earth-fill embankment located north of Iraq on the Tigris River forming a reservoir with 11.11 km3 water storage capacity which is the largest dam in the country. The dam is built on a rock bed foundation, in which the dissolution process is dynamic in the zone where gypsum and anhydrite layers present. During the construction development seepage locations were found in the dam foundation and the grouting process is in progress until now to control this problem. Therefore, the possibility of the Mosul dam break is highlighted by previous studies. In this research, a FORTRAN code …


Effects Of Dam Gate Geometry On Pressure Variation Aided By Map Presentation, Sheeraz M. Ameen, Thamir M. Ahmed Dec 2020

Effects Of Dam Gate Geometry On Pressure Variation Aided By Map Presentation, Sheeraz M. Ameen, Thamir M. Ahmed

Polytechnic Journal

The dam vertical lift gate is one of the most important operational parts that regulate the high head water flow to power plants as well as satisfying the water needs for projects and areas downstream of the dam. Due to the high water levels in the dam reservoir, the gates are subjected to many hydrostatic and dynamic pressures that affect their performance and stability. Hence, it became necessary to study all parameters that may cause excessive pressures which may lead to reduce the gate performance efficiency or even cause failure. In the current study, the pressure distribution along the bottom …


Association Of Lipid Profile With Body Mass Index In Public Employees In Halabja City, Kurdistan Region Of Iraq, Tareq H. Abdullah, Hardi R. Baqi, Salar H. Karim, Dashty A. Ghafor Dec 2020

Association Of Lipid Profile With Body Mass Index In Public Employees In Halabja City, Kurdistan Region Of Iraq, Tareq H. Abdullah, Hardi R. Baqi, Salar H. Karim, Dashty A. Ghafor

Polytechnic Journal

Obesity and overweight are extensive phenomena that reached epidemics extent worldwide, including the Kurdistan region of Iraq. The aim of this study is to evaluate the values of total cholesterol (TC), triglycerides (TG), low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), body mass index (BMI), and the state of physical activity in Halabja’s public employees. Overall 355 adults aged from 19 to 63 including 246 males and 109 females contributed to the study. The lipid profiles were tested in all subjects after over-night fasting. In addition, anthropometry measurements were taken; the mean height for males is 1.7129 m and 1.5732 …


Bolton Ratio Of Different Angle’S Classifications In A School Children Sample Of Erbil City: A Cross‑Sectional Study, Amanj R. Ibrahim, Zana Q. Omer, Hasan S. Hasan, Walaa M. Saleem Almola Dec 2020

Bolton Ratio Of Different Angle’S Classifications In A School Children Sample Of Erbil City: A Cross‑Sectional Study, Amanj R. Ibrahim, Zana Q. Omer, Hasan S. Hasan, Walaa M. Saleem Almola

Polytechnic Journal

Aims of this study were to determine both the Bolton anterior and overall ratios in a representative sample of Erbil schoolchildren of Normal occlusion and Cl I, Cl II div I, div II, and Cl III malocclusion, also to find if there are any gender differences. Numerical data were obtained, comprised of 320 samples study casts of students with a mean age of 13–15 years selected from different schools in Erbil City. The casts were divided into 5 groups according to the type of malocclusion: Normal (n = 64), Cl I (n = 64), Class II div I (n = …


Prevalence And Phylogenetic Analysis Of Babesia Ovis Isolated From Sheep And Goats In Erbil Province, Kurdistan Region- Iraq, Zuber I. Hassan Dec 2020

Prevalence And Phylogenetic Analysis Of Babesia Ovis Isolated From Sheep And Goats In Erbil Province, Kurdistan Region- Iraq, Zuber I. Hassan

Polytechnic Journal

A total of 143 blood smears were obtained from sheep and goats (n = 98) and (n = 45), respectively, by jugular venipuncture between February 2019 and December 2019. Samples were examined for parasite occurrences. Results reveal that the prevalence of infection by the parasite was 12.24% and 11.11%, respectively (microscopically), while 20.41% sheep and 17.78% goats (molecular-based identification using 18S SSU rRNA sequence). Both methods revealed the specificity and sensitivity of the diagnostic assays. Phylogenetic analysis of Babesia ovis (MN309736-MN309745) displays that the pathogens identified in this study are clustered together, which indicating similar molecular characteristics. Overall, these results …


Micro-Computed Tomographic Evaluation Of Sealing Ability Of Different Bioceramic Endodontic Sealers: An In Vitro Study, Saya H. Raouf, Dara H. Saeed Dec 2020

Micro-Computed Tomographic Evaluation Of Sealing Ability Of Different Bioceramic Endodontic Sealers: An In Vitro Study, Saya H. Raouf, Dara H. Saeed

Polytechnic Journal

The aim of the present study was to compare sealing ability of three bioceramic sealers, including Endosequence BC and BioRoot RCS, with bioceramic-coated gutta-percha cone (BCGP) or GP in comparison to a clinical reference standard AH Plus sealer using high-resolution micro-computed tomography (micro-CT) analysis. Fifty freshly extracted single canal premolars were included in the study. All the samples were prepared using 2 Shape rotary system TS1 (25/0.04), TS2 (25/0.06), and F35 (35/0.06) file. After completion of the instrumentation, the samples were randomly divided based on the sealer material used and GP into four experimental groups and one control group with …


Molecular Identification And Antibacterial Activity Of Streptomyces Spp. Isolated From Sulaymaniyah Governorate Soil, Iraqi Kurdistan, Syamand A. Qadir, Osama H. Shareef, Othman A. Mohammed Dec 2020

Molecular Identification And Antibacterial Activity Of Streptomyces Spp. Isolated From Sulaymaniyah Governorate Soil, Iraqi Kurdistan, Syamand A. Qadir, Osama H. Shareef, Othman A. Mohammed

Polytechnic Journal

Soil is play an important role for reserve abundant groups of microorganisms, especially Streptomyces. Streptomyces are recognized as prokaryotes, aerobic and Gram-positive bacteria with high Guanine + Cytosine contents in their DNA. These groups of bacteria show filamentous growth from a single spore and they are normally found in all kinds of ecosystems, including water, soil, and plants. A total of three Streptomyces strains were isolated from soil of the sides of Darband Ranya in Sulaimani governorate. Different approaches were followed for the identification of the isolated stains. Morphological and cultural properties of these isolates have shown that the isolates …


Influences Of Polymer Modifiers On Porous Hot Asphalt Mixture Property And Durability, Mohammed Q. Ali, Ganjeen J. Khoshnaw Dec 2020

Influences Of Polymer Modifiers On Porous Hot Asphalt Mixture Property And Durability, Mohammed Q. Ali, Ganjeen J. Khoshnaw

Polytechnic Journal

Fundamentally, sustainability and cost-effectiveness in infrastructure development have received widespread attention. Permeable pavement is such a concept that it is sustainable in the field of transportation and is being tested. Fully permeable pavement is a modern design method in which each layer is porous and can store water, avoiding the impact of stormwater on the pavement to avoid stormwater, skidding, floods, and water splash on the road and parking area which decrease safety rate. Porous asphalt (PA) is an asphalt mixture with a little or no fine aggregate. Due to open structures and advantages are used as a drainage layer …


Prevalence And Distribution Of Oral Conditions Among Dental Out Patients Children Aged 0–13 Years Attending Khanzad Polyclinic Center In Erbil City, Banaz A. Abdullah, Shaheen A. Ahmed, Ali F. Mohammad Alzubaidee Dec 2020

Prevalence And Distribution Of Oral Conditions Among Dental Out Patients Children Aged 0–13 Years Attending Khanzad Polyclinic Center In Erbil City, Banaz A. Abdullah, Shaheen A. Ahmed, Ali F. Mohammad Alzubaidee

Polytechnic Journal

Prevalence studies on oral conditions affecting children are rare worldwide, and none of them was conducted in in Erbil/Kurdistan region/Iraq. The aims in the this study were to determine the prevalence and distribution of oral conditions which include both lesions and normal variations in group of patients referred to a main, public specialized poly clinics dental center.A prospective cross-sectional study was performed, the including data collected were age, gender, and site of a condition. The examination of the patients was performed under standardized conditions; using artificial light, disposable gloves, retractors, and mirror with sterile gauze to hold tip of the …


Review Of The Speyeria Egleis Complex In Montana, With The Description Of Two New Subspecies (Lepidoptera: Nymphalidae: Heliconiinae), Steve Kohler Dec 2020

Review Of The Speyeria Egleis Complex In Montana, With The Description Of Two New Subspecies (Lepidoptera: Nymphalidae: Heliconiinae), Steve Kohler

The Taxonomic Report of the International Lepidoptera Survey

Four phenotypically and geographically distinct sets of populations of Speyeria egleis are identified in Montana. Two new subspecies are named from northwestern and northcentral Montana. Two existing names are recognized (S. e. macdunnoughi from southwestern Montana, southeastern Idaho, and northwestern Wyoming, and S. e. albrighti from central Montana. S. e. near macdunnoughi from Oregon and Washington is discussed.


Numerical Study To Evaluate The Performance Of Non-Uniform Stepped Spillway Using Ansys-Cfx, Shawnm M. Saleh, Sarhang M. Husain Dec 2020

Numerical Study To Evaluate The Performance Of Non-Uniform Stepped Spillway Using Ansys-Cfx, Shawnm M. Saleh, Sarhang M. Husain

Polytechnic Journal

The main features that attract hydraulic engineers for designing stepped spillways are their ability to lose a large portion of the flow energy and add or increase aeration to the flow naturally. Hence, smaller size stilling basin and no aeration device may require. This study aims to find the amount of energy dissipation rate and the location of inception point over non-uniform stepped spillway. The numerical 2D ANSYS-CFX code is applied to generate and run thirty-two models of different configurations using two different moderate slopes (1 V:2 H and 1 V:2.5 H) as most of the downstream slopes designed for …


Effect Of Straw Throwing Method And Some Operational Parameters On The Performance Of A Small Rectangular Baler, Affan O. Hussein Dec 2020

Effect Of Straw Throwing Method And Some Operational Parameters On The Performance Of A Small Rectangular Baler, Affan O. Hussein

Polytechnic Journal

The experiment was carried out on a private farm in Karak village in 2017 to study the effects of the method of throwing the straw behind the combine harvester and some operational factors on the performance of a small rectangular baler. The field was planted with wheat (Triticum spp.) and barley (Hordeum vulgare). A small rectangular baler type (Ćicoria 454), Italian made was used to pick up and bale the straws, which were thrown as heaps and windrows in the field. The results obtained showed that picking up the straw as windrows improved the baler’s performance over the heaps in …


Root Dentine Strain Generation During Root Canal Instrumentation With Rotation And Reciprocation Motions, Bnar O. Hamafaraj, Raed F. Salman Dec 2020

Root Dentine Strain Generation During Root Canal Instrumentation With Rotation And Reciprocation Motions, Bnar O. Hamafaraj, Raed F. Salman

Polytechnic Journal

The aim of the study is to measure and compare strain generated on root dentine surface by two different instrumentation motions. Thirty extracted single canal premolars were used in this study which randomly was divided into two groups, one group was prepared with ProTaper NEXT X2 file in rotation motion, and the second group was prepared by WaveOne GOLD primary file in reciprocation motion, the canals were irrigated during canal preparation by 2 ml of sodium hypochlorite and 17% EDTA gel was used. Strain measurement was performed by strain gauges and a digital strain output reader, data were recorded every …


Effect Of Adding Magnesium Oxide Nanoparticles On The Antimicrobial Activity Of A Denture Soft Liner, Hoshang Kh. Abdel-Rahman,, Salem A. Alem Al-Sammaraie Dec 2020

Effect Of Adding Magnesium Oxide Nanoparticles On The Antimicrobial Activity Of A Denture Soft Liner, Hoshang Kh. Abdel-Rahman,, Salem A. Alem Al-Sammaraie

Polytechnic Journal

Microbial growth and colonization are one of the disadvantages after the long-term use of denture soft liners. This study was aimed to evaluate the effect of the addition of magnesium oxide nanoparticles (MgONPs) on the antimicrobial activity of a denture soft liner. A total of 84 samples were prepared from a soft denture liner and divided into two groups, control group and test group to which 3% by weight of MgONPs were added, antimicrobial tests for Candida albicans, Staphylococcus aureus,and a mixture of the biofilm of both microorganisms were done, cell density count and adherence assay test was recorded before …


Prevalence Of Needlestick Injuries Among Healthcare Workers In Rizgary Teaching Hospital, Salah H. Ali, Peshtewan D. Majeed, Umed A. Huwiezy Dec 2020

Prevalence Of Needlestick Injuries Among Healthcare Workers In Rizgary Teaching Hospital, Salah H. Ali, Peshtewan D. Majeed, Umed A. Huwiezy

Polytechnic Journal

Needlestick injury in healthcare settings is a global issue. Despite being recognized for many years, needlestick and sharps injuries (NSIs) continue to present a risk of occupational exposure to blood-borne pathogens for health care works (HCWs). The objectives of the study were to determine the prevalence of needlestick injuries among HCWs in Rizgary Teaching Hospital and to identify the causes of needlestick injuries. A cross-sectional study was conducted on 76 healthcare workers in Rizgary Teaching hospital; there were a total of 45 males, 31 females. The data collections were administrated using face-to-face interviews to ensure a good response rate and …


Evaluation Of Bond Strength And Dimensional Accuracy Of Soft Liner To Microwave Cured Denture Base Material, Shilan H. Fatah, Radhwan H. Hasan Dec 2020

Evaluation Of Bond Strength And Dimensional Accuracy Of Soft Liner To Microwave Cured Denture Base Material, Shilan H. Fatah, Radhwan H. Hasan

Polytechnic Journal

Today, soft liners are being widely used in dental practices by their application to the inner surfaces of the denture with hopes to evenly distribute any potential uneven forces, and to provide a cushion effect to the oral mucosa of the patient mouth. The aim of this study is to investigate the influence of (a) polymethylmethacrylate (PMMA) denture base material curing technique, (b) Molloplast B soft liner curing technique, and (c) PMMA surface treatment, on the “shear bond strength” (SBS) between the Molloplast B liner and PMMA. A total of 80 samples were used in this study to evaluate the …


Determination Of Potential Runoff Coefficient Using Geographic Information System For A Small Basin In Balakayety Watershade, Kurdistan Region Of Iraq, Jehan M. Fattah Sheikh Suleimany Dec 2020

Determination Of Potential Runoff Coefficient Using Geographic Information System For A Small Basin In Balakayety Watershade, Kurdistan Region Of Iraq, Jehan M. Fattah Sheikh Suleimany

Polytechnic Journal

Runoff coefficient is an index for losses in rainfall required in most hydrological models and water resources projects. Generally, in the Balakayety water shade in Kurdistan region of Iraq, no runoff data are available as almost basins are ungagged. The Geographic Information System (GIS) techniques and available data for a small basin in Balakayety watershed within the Erbil governorate (Kurdistan Region of Iraq) were used to estimate the coefficient of potential runoff coefficient (PRC). The estimated PRC will be then used to calculate the depth of runoff. The Satellite Imagery (Landsat 7 ETM+) for 2015 was procured to create land …