Sürdürülebilir Kalkınma Amaçları
Yazarlar
- Batan, Nevzat(10)
- Erata, Hüseyin(9)
- Karimullah, Suud Sarim(9)
- Dogan, Hulya(8)
- Duran, Celal(8)
- Öztürk, Serkan(8)
- Baltaci, Cemalettin(7)
- Dogan, Ramazan Ozgur(7)
- Kulakaç, Nurşen(7)
- Ozdes, Duygu(7)
- Alataş, Mevlüt(6)
- Aydin, Aydanur(6)
- Ezer, Tülay(6)
- Ulutaşdemir, Nilgün(6)
- Uzun, Sevda(6)
- Akyürek, Suat(5)
- Anaç, Halil(5)
- Mazlum, Sümeyye Gür(5)
- Merdan, Mehmet(5)
- Ozturk, Samet(5)
- Öz, Mehmet(5)
- Aksoy, Bahar(4)
- Araz, Onur(4)
- Bekar, Fevziye(4)
- Demirağ, Hatice(4)
- Dokuz, Abdurrahman(4)
- Doğan, Onur(4)
- Doğan, Ramazan Özgür(4)
- Gergin, Ramazan Eyüp(4)
- Gücer, Mehmet Ali(4)
- Hakkıoğlu, Mümin(4)
- Izmir, Onur(4)
- Kankal, Murat(4)
- Karabudak, Filiz(4)
- Kaya, Hacer(4)
- Kızıloğlu, Şadiye Kotanlı(4)
- Mazlum, Sumeyye Gur(4)
- Merddan, Kurtuluş(4)
- Peker, Iskender(4)
- Polat, Eray(4)
Yayınlar
- MakaleYalnız künye2023Scopus SJRQ1Reply to discussion of “Innovative approaches to the trend assessment of streamflows in the Eastern Black Sea basin, Turkey”*
Akçay, Fatma; Kankal, Murat; Şan, Murat
In this reply we thank the authors for their comments on our article “Innovative approaches to trend assessment of streamflows in the Eastern Black Sea basin, Turkey.” They stated that the trend slope calculations in our study are incorrect. A response to the discussion on this topic offered.
- MakaleYalnız künye2023Scopus SJRQ2Effect of Reduced Fineness of Fly Ash Used on the Alkali–Silica Reaction (ASR) of Concrete
Eker, Hasan; Demir Şahin, Demet; Çullu, Mustafa
This study aimed to determine the effect of fly ash added to concrete with high calcium content (C class) and different fineness on durability properties such as the alkali–silica reaction (ASR). By substituting ultra-fine fly ash for cement at specific proportions in concrete mixes and increasing the fly ash fineness, fly ash filled the spaces between cement grains or aggregates in concrete and accelerated the hydration process. Thus, the mechanism of ASR development was reduced. Class C Afşin Elbistan ash was used and was ground in a ball mill for 0, 10, 20, 30, and 45 min, and Blaine fineness values of 1555, 1632, 2347, 2589, and 2766 cm2/g were obtained, respectively. For each fly ash fineness, the effect of mixtures with 10%, 30%, and 50% replacement of cement on the ASR mechanism was observed during curing periods of 3, 7, 14, and 28 days compared to concrete without fly ash admixture. Furthermore, the effect of the increased fineness and substitution rate of fly ash with high calcium content in cement on the microstructure was revealed by microscopic mineralogical images. The prepared fine fly ash added to concrete mixes at different replacement ratios showed ASR reducing properties compared to the concrete mix without additions. The fly ash fineness and the substitution rate in the concrete had a reducing effect on the ASR, and this effect resulted in values lower than the reference concrete value.
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İncele - MakaleYalnız künye2023Scopus SJRQ1Do earthquake survivors want to escape the threats of earthquakes and why?
Özdemir, Ahmet; Mızrak, Sefa
Destructive earthquakes and the possibility of experiencing destructive earthquakes may cause people to move from their area to safer ones. However, despite high earthquake risk, people may not want to leave the area they reside for various reasons. The objective of this study was to investigate whether earthquake experience, earthquake insurance, satisfaction with city, self-efficacy, risk perception, social support, post-earthquake insecurity and price gouging was correlated with relocation willingness in an earthquake-prone area. Data were collected using a survey from 1114 people residing in Kocaeli (Türkiye), where a devastating earthquake occurred in 1999. 610 people who participated in the study were affected by this earthquake and 504 people were not affected. In order to better understand the impact of earthquake exposure on relocation willingness, ordinal logistic regression analyzes were performed separately for the earthquake affected and unaffected sample. The result showed that the relocation willingness of the unaffected participants was higher than the relocation willingness of the affected participants. People who were psychologically affected by the earthquake were more likely to relocate. Satisfaction with the city reduced the participants' relocation willingness mostly. The fear of earthquakes and perceived insecurity after a future earthquake increased all participants' relocation willingness. It is hoped that this study will guide scientists and disaster managers working in regions where destructive disasters may occur to improve strategies related to relocation policy and earthquake risk reduction.
AtıfScopus10WoS9OpenAlex10İncele - MakaleYalnız künye2023Scopus SJRQ3Phenolic Components, Mineral Composition, Physicochemical, and Bioactive Properties of Opuntia ficus-indica with Different Drying Methods
Capar, Tugba Dursun; Dedebas, Tugba; Kavuncuoglu, Hatice; Karatas, Seyda Merve; Ekici, Lutfiye; Yalcin, Hasan
Cactus pear fruit (Opuntia ficus-indica) have nutritional and antioxidant properties due to the presence of vitamins, fibers, minerals, and polyphenols. The present paper aims to examine the effects of drying methods (sun, oven, vacuum, and freeze) on the bioactivity and antimicrobial quality of prickly pear fruit. Total phenolic content (TPC), antioxidant (DPPH) and antimicrobial activity, mineral content, phenolic compounds, and color values were investigated. The highest antioxidant activity (DPPH) and color values were observed in the freeze-dried samples, which were very close to the values for fresh samples. The total phenolic content (TPC) of the freeze-dried sample was 503.53 mg GAE/100 g. The most abundant phenolic compound was p-hydroxybenzoic acid (210 ppm) identified in fresh and freeze-dried fruit extract, which may be more effective antimicrobials than the rest. The mineral content of freeze- and vacuum-dried samples was very close to that of fresh fruit. This study indicates that freeze-drying of prickly pear fruit improved the bioactive and antimicrobial properties without leading to nutritional loss.
AtıfScopus5WoS4OpenAlex3İncele - MakaleAçık Erişim2023Scopus SJRQ2Intentionally Changing Everything: Deliberate Constructing in Corruption Case
Kamsi, Kamsi; Julianto, Very; Billah, Mu'tashim; Karimullah, Suud Sarim
The handling of corruption cases lacks consistency in the emphasis on the element of intention or deliberation. While some experts propose the concept of deliberation theoretically, its practical application in the field contradicts these theoretical studies due to the absence of clear indicators of intent. Deliberation, as explored in this research, is analyzed through the lenses of criminal law and psychology. The research employs the Forum Group Discussion (FGD) method, coupled with professional judgment from legal practitioners and academics. The findings reveal a shared perception among law enforcers regarding the deliberate nature of corruption cases. These law enforcers interpret relevant articles using a combination of scientific theory and the theory of Possibility in Certainty. From a psychological perspective, deliberate behavior is conceptualized as a construct that can be measured through the lens of scientific theory. The convergence of these perspectives highlights a unified approach among law enforcers in assessing intentionality in corruption cases.
AtıfScopus4OpenAlex3İncele - MakaleAçık Erişim2023Scopus SJRQ2Two new species of Phalangium (Opiliones: Phalangiidae) from Turkey
Kurt, Kemal; Erdek, Melek; Kurt, Pinar
Two new harvestmen species, Phalangium nalanae sp. n. and Phalangium taylani sp. n., are described, diagnosed and illustrated based on male material from Hakkari Province, Turkey. Also, the differences between two new species and similar species of the genus Phalangium are discussed.
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İncele - MakaleAçık Erişim2023Scopus SJRQ3A study on the relationship between sociodemographic characteristics and job stress and satisfaction among healthcare workers in Turkey during the COVID-19 pandemic; [Ispitivanje utjecaja sociodemografskih karakteristika na profesionalni stres i zadovoljstvo u zdravstvenih radnika u Turskoj tijekom pandemije bolesti COVID-19]
Tuna, Hasan; Türkmen, Osman Oǧulcan; Albayrak, Sirer
The aim of this study was to determine the sociodemographic characteristics that affect job stress and job satisfaction in 454 healthcare workers (physicians, nurses, midwives, technicians, and other healthcare personnel) working with COVID-19 patients in primary healthcare institutions in Turkey with a cross-sectional, web-based survey between 9 and 30 August 2021. The survey included a personal information form, a standard job stress scale, and the Minnesota Satisfaction Questionnaire. The levels of job stress and job satisfaction did not differ between male and female respondents. Singles reported lower job stress and higher job satisfaction than the married respondents. Job stress did not differ between departments, but respondents on the front line who worked in a COVID-19 intensive care unit (ICU) (at any point and/or at the time of the study) or the emergency department reported lower job satisfaction than those working in other departments. Similarly, while stress did not differ by educational status, satisfaction of respondents with bachelor's or master's degree was lower than that of the rest. Our findings also suggest that working in a COVID-19 ICU and age are significant predictors of higher stress, whereas lower education, working in a COVID-19 ICU, and being married are good predictors of lower satisfaction. Further research should include other sociodemographic variables that may affect stress and satisfaction at work, and similar studies should follow up to see what was left in the wake of the pandemic.
AtıfScopus5OpenAlex6İncele - MakaleAçık Erişim2023Scopus SJRQ2Attachment Anxiety and Interpersonal Relationship Styles: The Mediating Role of Interpersonal Cognitive Distortions
Kaya, Feridun; Odacı, Hatice; Yazıcı Çelebi, Gülin
In the current study, we investigated attachment anxiety and interpersonal cognitive distortions as predictors of interpersonal relationship styles. In this context, we conducted this study to describe the relationships between attachment anxiety, interpersonal cognitive distortions, and interpersonal relationship styles, and to explore the mediating role of interpersonal cognitive distortions in the relationship between attachment anxiety and interpersonal relationship styles. A total of 342 adult women, 201 of whom were married (58.8%) and 141 of whom were single (41.2%), participated in the study, which was conducted based on the correlation model. In the study, data collection tools included the Experiences in Close Relationships Scale, the Interpersonal Relation Styles Scale, and the Interpersonal Cognitive Distortions Scale. In the study, mediation analyses were conducted, and the results indicated that interpersonal cognitive distortions had a partial mediating role in the relationship between attachment anxiety and interpersonal relationship styles.
AtıfScopus6WoS5OpenAlex7İncele - MakaleAçık Erişim2023Scopus SJRQ2Addressing student misconceptions about atoms and examining instructor strategies for overcoming them
Kaya, Ali
This paper is twofold. First, it examines the misconceptions held by students about atoms. Second, it determines the suggestions of the instructors (academics and teachers) to overcome these misconceptions. The study adopted a case study research method. A questionnaire was administered to 288 students and a semi-structured interview was conducted with 20 educators, including 10 teachers and 10 academics from the fields of physics and chemistry. A number of students were observed to have misconceptions about atoms, and they were unable to grasp the concept. This situation may have resulted from teaching students the theories of the atoms in a historically chronological order and ineffective methods of teaching. It was recommended that atomic models not be taught in primary school education, and that three new methods could be used in teaching this subject.
AtıfScopus3OpenAlex5İncele - MakaleYalnız künye2023Scopus SJRQ1Full-scale structural evaluations of İskenderpaşa minaret
Aymelek, Abdullah; Yanik, Yusuf; Demirtaş, Betül; Yildirim, Ömer; Çalik, İsmet; Türker, Temel
Nowadays, innovative methods have been used for observing and structural evaluating of historical structures. In this paper, it is presented the full-scale structural assessments of a minaret after a Finite Element model calibrating according to vibration test results. Also, the structural behaviours under earthquake and wind loads were identified by considering the environmental effects on the selected masonry minaret of İskenderpaşa Mosque. First of all, modal analysis was executed on the three-dimensional Finite Element model created according to field survey in ANSYS Workbench. In-situ vibration tests were implemented at different intervals by using developed vibration measurement system. The experimental modal parameters were attained from collected signals. The experimental results were used as reference values in model calibration of this minaret to reflect the existing structural behaviour. Model calibration process was carried out on the initial model both by changing of material properties of masonry wall and by taking into account the interactions with mosque walls and ground. Full-scale structural evaluation was carried out under earthquake and wind loads on both the initial and the calibrated models in the weak direction of this minaret. The top displacements, drift ratios, principal stress values and their distributions were determined. It was shown that the analyses on the calibrated model produce more realistic structural behaviour.
AtıfScopus21WoS20İncele - MakaleAçık Erişim2023Scopus SJRQ1Magmatic evolution of the Calc-alkaline Middle Jurassic igneous rocks in the eastern pontides, NE Turkey: insights from geochemistry, whole-rock Sr-Nd-Pb, in situ zircon Lu-Hf isotopes, and U-Pb geochronology
Aydınçakır, Emre; Yücel, Cem; Kaygusuz, Abdullah; Bilici, Özgür; Yi, Keewook; Jeong, Youn-Joong; Güloğlu, Z. Samet
The Eastern Pontides in NE Turkey hosts a very limited number of plutonic rocks from the Jurassic period. Here we submit new geochemical, Sr-Nd-Pb and zircon Lu-Hf isotope data, and zircon U-Pb ages for plutonic rocks in this region. Zircon U-Pb dating for the Alemdar and Işıkdere plutons yielded an age of 175–170 Ma (Middle Jurassic). The Alemdar and Işıkdere plutons have I-type, medium to high-K calc-alkaline series, and metaluminous to slightly peraluminous characteristics. On PM-normalized diagrams, the plutons are enriched in large-ion lithophile elements (LILEs) with pronounced depletion of high field strength elements (HFSEs, Ta, Nb, Ti). Chondrite-normalized plots for the plutons show variable enrichment in light rare earth elements (LREEs) with depletion of heavy rare earth elements (HREEs). The rocks of the Alemdar Pluton have homogeneous ISr values (0.70585 to 0.70673), low εNd(i) values (−3.9 to −1.6), pozitif εHf(i) values (+3.3 to +9.1), and Hf single-stage model ages (563–712 Ma), whereas those of Işıkdere have high ISr values (0.70666 to 0.70673), low εNd(i) values (−3.9 to −3.8), εHf(i) values (−3.1 to +1.1), and Hf single-stage model ages (791–969 Ma). These values imply that they have different sources. These results suggest that the magma of the Alemdar was formed by the partial melting of a relatively depleted lithospheric mantle wedge interaction of the OIB-like melts, while those of Işıkdere have derived from the partial melting of an enriched mantle metasomatized by slab-derived sediments and then modified by fractional crystallization and crustal contamination in crustal magma chambers. Considering the available data, we conclude that the studied plutons were related to extensional tectonic events during the Middle Jurassic in response to the roll-back of the Paleotethys oceanic slab in the final stage of oceanic closure. These rocks are an example of the formation of deep subduction products following Early Jurassic subduction.
AtıfScopus18WoS19OpenAlex19İncele - MakaleAçık Erişim2023Scopus SJRQ2Chemical composition and biological activities of essential oils from the flowers and leaves of Celtis planchoniana K.I.Chr.
Öz, Mehmet; Ucuncu, Osman; Baltacı, Cemalettin; Said Fidan, M.; Karatas, Seyda Merve
Most plant parts are used in traditional food and medicine. Plants are significant resources of potential phytochemicals. This study investigated the properties of essential oil, antioxidant, and antimicrobial activities of the flowers and leaves of the Celtis planchoniana plant. Based on the GC/MS-FID analysis of essential oils extracted from the flowers and leaves of C. planchoniana, 101 and 91 compounds were identified from their structures, respectively. Chemical classes with the highest percentage of compounds found in essential oils of plants were oil acids, with 31.51% in flowers, and aldehydes, with 32.89% in leaves. Hexadecanoic acid (29.94%) and (E)-2-hexenal (16.11%) compounds were determined as the main components in the plant’s flowers and leaves. Among the flower and leaf samples, the highest antioxidant levels were 132.77-80.10 mg AA eq./100 mL in TAC, 17.63-118.23 mg AA eq./100 mL in ABTS, 71.41-85.15 mg GA eq./100 mL in TPC, and 15.08-15.71 mg AA eq./100 mL in DPPH capacity. According to the TFC, TPC, ABTS, DPPH, and FRAP tests conducted to determine the antioxidant properties of C. planchoniana, the essential oil obtained from its leaves demonstrated more significant antioxidant properties than the essential oil obtained from its flowers. According to the antimicrobial activity analysis, the leaf and flower essential oil samples exhibited no antimicrobial activity against the microorganisms tested.
AtıfScopus7WoS6OpenAlex5İncele - MakaleAçık Erişim2023Reflection of COVID-19 in The Context of Posttraumatic Growth in Turkish Society
Yiğitbaş, Çağla; Elkoca, Ayşe; Özcan, Handan
The aim of the study was to determine whether the COVID-19 pandemic had a positive impact on posttraumatic growth and to identify the influential factors. Quantitative method was used. A descriptive cross-sectional study was conducted. Permissions were obtained before the research. The sample size was calculated with the formula t2xs2/d2. After the calculation, 106 people who consented to participate in the study were reached. Data were collected by convenience sampling method. The mean age of the participants was 31.61 ± 11.05 years. 58.5% of the participants were female and 44.3% were married. The rate of those who said they had a high income was 9.4%. More than half of the participants stated that they experienced anxiety due to the pandemic, and more than half stated that they had this disease at home. Those who reported that they were not currently working, those who thought that their mental health was affected, and those who reported experiencing anxiety due to the pandemic had higher scores on the Posttraumatic Growth Inventory. Posttraumatic growth and its sub-dimensions were found to make a difference in terms of some sociodemographic characteristics. Repeating this research in different cultural societies will be decisive and clarifying in terms of results.
- MakaleAçık Erişim2023Determinants of Individual Worries on Food Insecurity in Afghanistan
Karapınar Kocağ, Esra
According to the United Nations (UN), more than 30 per cent of the world’s population experienced food insecurity moderately or severely in 2020 and Sustainable Development Goal 2 clearly claims to end hunger by 2030. Afghanistan within those regions with severe food insecurity has become prominent as both environmental deterioration due to climate change and ongoing conflict affects this situation twice as much. Using Food Insecurity Experience Scale (FIES-2018) data that was provided by Food and Agriculture Organization of the United Nations (FAO), this paper provides evidence on the determinants of individual worry on having enough food with a sample of 998 individuals through a probit model. Findings reveal that having a college degree significantly reduces the probability of being worried not to have enough food. Further, living in a rural area increases this probability, while being in a richer income quintile and having one more adults in the household decreases it. Empirical evidence of this research suggests a few policy implications. Education should be generalised in the society; and production techniques in the rural areas should be improved to increase the level of production and to save the environment. These efforts might increase the wage level that would help to increase household income to alleviate food insecurity.
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İncele - MakaleYalnız künye2023Scopus SJRQ4Description of the Unknown Female of the Harvestman Rafalskiaazizsancari Kurt, Yagmur & Tezcan, 2019 (Arachnida: Opiliones: Phalangiidae) from Turkey
Kurt, Kemal; Yagmur, Ersen Aydln; Kurt, Plnar
The female of Rafalskia azizsancari Kurt, Yagmur & Tezcan, 2019, previously known only from the male in Turkey, is now described based on new material from Ödemiş District, Izmir Province, Turkey. Detailed morphological descriptions, photographs and illustration of the female ovipositor are provided.
AtıfScopus1WoS1OpenAlex1İncele - MakaleAçık Erişim2023Scopus SJRQ2Getting the measure of the fourth industrial revolution: advantages and challenges of Industry 4.0 in the Turkish white goods industry
Şimşek Demirbağ, Kübra; Yıldırım, Nihan
Purpose: Industry 4.0 (I40) is an open window of opportunity for Turkey, a developed country, to eliminate technological dependence and produce with maximum productivity. However, I40, which corresponds to the fourth wave of industrial revolutions, brings both opportunities and challenges. In this context, this study aims to reveal the foresight of managers in the Turkish white goods industry (TWGI) regarding the advantages and challenges of I40 and compare them with the literature. Design/methodology/approach: The Delphi method was used for the study. Data were collected from managers of companies that are members of the White Goods Suppliers Association (BEYSAD). Seventy managers from 55 companies participated in the first round, and 19 managers participated in the second round of Delphi. Findings: The results show that the most frequently cited advantages are productivity/resource efficiency, data and information-enabled effectiveness/productivity, quality 4.0 and competitiveness/strategy. The most frequently mentioned challenges are financial resources/investment, employee qualification/training, technical/processual challenges and organizational transformation/leadership. Research limitations/implications: The sample was limited to the managers of the TWGI. Practical implications: Players in similar ecosystems and policymakers should consider the advantages and respond to potential challenges when creating roadmaps, taking the necessary steps and positioning themselves in the marketplace. In particular, the TWGI – Turkey’s showcase in international markets – should consider the undeniable benefits of the I40 transition to increase innovation. Originality/value: The findings for the first time highlight the advantages and challenges of I40 in an industry in Turkey, and they will benefit the TWGI, which is among the leaders in Turkey in terms of digital maturity and innovation in its journey to I40.
AtıfScopus13WoS7OpenAlex15İncele - MakaleYalnız künye2023Scopus SJRQ1Needs of caregivers of patients with palliative neurological problems: a qualitative study
Ulutaşdemİr, Nilgün; Ay, Halil; Göçmen, Adalet; Uzun, Sevda; Kulakaç, Nurşen
Objective: This article aimed to investigate the needs of caregivers of patients with palliative neurological problems and contribute to the solution proposals. Material-method: Phenomenological research design, a qualitative research design, was used in the study. The article was conducted with 16 relatives of patients with palliative neurological problems. The interviews were conducted using face-to-face in-depth semi-structured interview form. Colaizzi’s phenomenological analysis method used for the analyse. Results: In the analysis of the data, three categories, eight main themes, and seventeen sub-themes emerged. As a result of the interviews with the participants, the category of the effect of neurological palliative disease on the quality of life of individuals was gathered under three main themes, namely mental, physical, and social effects, and in the process of coping with the disease requiring neurological palliative care, two main themes were identified as emotion-focused coping and problem-focused coping. Conclusion: It was concluded in our study that having a patient in palliative care has psychological, social, and physical effects on the relatives of the patients. The burden of caregiving mostly affects the relatives of patients negatively. Relatives of patients mostly need time for themselves, moral support, and companion support.
AtıfScopus18WoS24OpenAlex30İncele - MakaleYalnız künye2023Scopus SJRQ3Local gravity and magnetic anomalies associated with the oil and gas reservoirs in the cretaceous carbonate deposits of Yevlakh-Agjabedi depression, Azerbaijan
Gadirov, Vagif G.; Maden, Nafiz; Gadirov, Kamran V.
Local gravity and magnetic anomalies are employed to identify potential hydrocarbon reservoirs in the Middle Kura Depression (MKD) within the South Caspian basin in Azerbaijan. The MKD basin in Azerbaijan including the Yevlakh-Agjabedi trough covers a large part of the Kura intermountain basin between the Greater and Lesser Caucasus. In the study region, several local gravity and magnetic anomalies are discovered related to oil and gas deposits in the sedimentary depression whose thickness is 12–14 km. Gravity minima and maxima expressed by different wavelength anomalies are indicative of density variations within the basin. Local gravity minima with an intensity of 0.3–0.4 mGal identified in the study areas are related to the oil–gas deposits. While the local positive magnetic anomalies are associated with the volcanic formations, local negative magnetic anomalies appear over the productive parts of the buried structure within the sedimentary complex. Intense local magnetic minima anomalies with an intensity of 20–30 nT are evidence of oil and gas accumulations. The limitations of traditional methods for interpreting gravity and magnetic data to locate oil and gas fields have led to the use of gravity field gradients. This alternative approach has proven advantageous, as it confirms the results of gravity exploration and is useful for directly searching for hydrocarbons.
AtıfScopus3WoS3İncele - Kitap BölümüYalnız künye2023Artificial intelligence in health and applications
Köse, Asli
Artificial intelligence technologies are tools that develop with the contribution of different disciplines from statistics to computer science. These tools contribute to the health sector in many ways, from reducing medical errors, especially in costs, to increasing the patient's accessibility to health services. In addition to the contributions of artificial intelligence technologies, there are ethical concerns and concerns about the use and dissemination of these technologies. The recent COVID-19 pandemic has supported the increase in the level of patient participation in healthcare processes and the transfer of personalized applications to digital environments. Within the scope of this research, artificial intelligence concepts and applications in the field of health will be included. The advantages and disadvantages of artificial intelligence applications in the field of health service delivery will be evaluated.
AtıfScopus10OpenAlex8İncele - MakaleAçık Erişim2023Scopus SJRQ4Wong-Zakai approximation for stochastic models of smoking
Şengül, Süleyman; Beki̇Ryazici, Zafer; Merdan, Mehmet
In this study, Wong-Zakai approximation method has been used to obtain approximate solutions for two compartmental models of smoking dynamics. Stratonovich stochastic differential equation systems are obtained for these two stochastic models for the application of Wong-Zakai method. Wong-Zakai method is used together with the predictor-corrector deterministic approximation method where Adams-Bashforth method is used as the predictor pair and Adams-Moulton method is used as the corrector pair. Stochastic Runge-Kutta IV, Euler-Maruyama and stochastic Runge-Kutta strong order 1.0 schemes are also used to investigate the models and the results are compared to the results from Wong-Zakai approximation. The comparison shows that Wong-Zakai method is a reliable tool for the analysis of stochastic models and can be considered as an alternative investigation method for modeling studies. Solution graphs, error graphs and numerical results have been given as evidence to show that Wong-Zakai method can also be a reliable method for analyzing various models. An alternate technique for parallelizing the algorithm has also been given to decrease CPU times for Wong-Zakai method. This technique is suggested to overcome the extra calculation load that comes with Wong-Zakai method.
AtıfScopus2WoS2İncele