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  Subjects -> SCIENCES: COMPREHENSIVE WORKS (Total: 426 journals)
Showing 1 - 200 of 265 Journals sorted alphabetically
AAS Open Research     Open Access   (Followers: 1)
ABC Journal of Advanced Research     Open Access  
Accountability in Research: Policies and Quality Assurance     Hybrid Journal   (Followers: 22)
Acta Materialia Transilvanica     Open Access  
Acta Nova     Open Access   (Followers: 1)
Acta Scientifica Malaysia     Open Access  
Acta Scientifica Naturalis     Open Access   (Followers: 3)
Adıyaman University Journal of Science     Open Access  
Advanced Science     Open Access   (Followers: 13)
Advanced Science, Engineering and Medicine     Partially Free   (Followers: 11)
Advanced Theory and Simulations     Hybrid Journal   (Followers: 5)
Advances in Research     Open Access  
Advances in Science and Technology     Full-text available via subscription   (Followers: 17)
African Journal of Science, Technology, Innovation and Development     Hybrid Journal   (Followers: 8)
Afrique Science : Revue Internationale des Sciences et Technologie     Open Access   (Followers: 2)
AFRREV STECH : An International Journal of Science and Technology     Open Access   (Followers: 4)
American Academic & Scholarly Research Journal     Open Access   (Followers: 6)
American Journal of Applied Sciences     Open Access   (Followers: 27)
American Journal of Humanities and Social Sciences     Open Access   (Followers: 17)
ANALES de la Universidad Central del Ecuador     Open Access   (Followers: 4)
Anales del Instituto de la Patagonia     Open Access  
Applied Mathematics and Nonlinear Sciences     Open Access   (Followers: 1)
Apuntes de Ciencia & Sociedad     Open Access  
Arab Journal of Basic and Applied Sciences     Open Access  
Arabian Journal for Science and Engineering     Hybrid Journal   (Followers: 5)
Archives Internationales d'Histoire des Sciences     Partially Free   (Followers: 7)
Archives of Current Research International     Open Access  
ARO. The Scientific Journal of Koya University     Open Access  
ARPHA Conference Abstracts     Open Access   (Followers: 6)
ARPHA Proceedings     Open Access   (Followers: 5)
ArtefaCToS : Revista de estudios sobre la ciencia y la tecnología     Open Access   (Followers: 1)
Asia-Pacific Journal of Science and Technology     Open Access  
Asian Journal of Advanced Research and Reports     Open Access   (Followers: 2)
Asian Journal of Applied Science and Engineering     Open Access   (Followers: 2)
Asian Journal of Scientific Research     Open Access   (Followers: 3)
Asian Journal of Technology Innovation     Hybrid Journal   (Followers: 7)
Australian Field Ornithology     Full-text available via subscription   (Followers: 4)
Australian Journal of Social Issues     Hybrid Journal   (Followers: 7)
AZimuth     Full-text available via subscription   (Followers: 2)
Bangladesh Journal of Scientific Research     Open Access   (Followers: 1)
Beni-Suef University Journal of Basic and Applied Sciences     Open Access   (Followers: 3)
Berichte Zur Wissenschaftsgeschichte     Hybrid Journal   (Followers: 10)
Berkeley Scientific Journal     Full-text available via subscription  
BIBECHANA     Open Access   (Followers: 2)
BibNum     Open Access  
Bilge International Journal of Science and Technology Research     Open Access   (Followers: 1)
Bioethics Research Notes     Full-text available via subscription   (Followers: 16)
Bistua : Revista de la Facultad de Ciencias Básicas     Open Access  
BJHS Themes     Open Access   (Followers: 1)
Black Sea Journal of Engineering and Science     Open Access  
Borneo Journal of Resource Science and Technology     Open Access  
Brazilian Journal of Science and Technology     Open Access   (Followers: 2)
Bulletin de la Société Royale des Sciences de Liège     Open Access  
Bulletin of the National Research Centre     Open Access  
Butlletí de la Institució Catalana d'Història Natural     Open Access  
Central European Journal of Clinical Research     Open Access  
Chain Reaction     Full-text available via subscription  
Ciencia & Natura     Open Access   (Followers: 1)
Ciencia Amazónica (Iquitos)     Open Access   (Followers: 1)
Ciencia en Desarrollo     Open Access   (Followers: 3)
Ciencia en su PC     Open Access   (Followers: 1)
Ciencia Ergo Sum     Open Access  
Ciência ET Praxis     Open Access  
Ciencia y Tecnología     Open Access  
Ciencia, Docencia y Tecnología     Open Access  
Ciencias Holguin     Open Access   (Followers: 2)
CienciaUAT     Open Access   (Followers: 1)
Citizen Science : Theory and Practice     Open Access   (Followers: 2)
Communications Faculty of Sciences University of Ankara Series A2-A3 Physical Sciences and Engineering     Open Access  
Communications in Applied Sciences     Open Access  
Comprehensive Therapy     Hybrid Journal   (Followers: 3)
Comunicata Scientiae     Open Access   (Followers: 1)
ConCiencia     Open Access  
Conference Papers in Science     Open Access   (Followers: 2)
Configurations     Full-text available via subscription   (Followers: 10)
COSMOS     Hybrid Journal   (Followers: 1)
Crea Ciencia Revista Científica     Open Access   (Followers: 2)
Cuadernos de Investigación UNED     Open Access  
Current Issues in Criminal Justice     Hybrid Journal   (Followers: 15)
Current Research in Geoscience     Open Access   (Followers: 8)
Dalat University Journal of Science     Open Access  
Data     Open Access   (Followers: 5)
Data Curation Profiles Directory     Open Access   (Followers: 5)
Dhaka University Journal of Science     Open Access  
Dharmakarya     Open Access  
Diálogos Interdisciplinares     Open Access  
Digithum     Open Access   (Followers: 2)
Discover Sustainability     Open Access   (Followers: 3)
Einstein (São Paulo)     Open Access  
Ekaia : EHUko Zientzia eta Teknologia aldizkaria     Open Access  
Elkawnie : Journal of Islamic Science and Technology     Open Access  
Emergent Scientist     Open Access  
Enhancing Learning in the Social Sciences     Open Access   (Followers: 9)
Enseñanza de las Ciencias : Revista de Investigación y Experiencias Didácticas     Open Access  
Entramado     Open Access  
Entre Ciencia e Ingeniería     Open Access   (Followers: 1)
Epiphany     Open Access   (Followers: 4)
Ergo     Open Access  
Estação Científica (UNIFAP)     Open Access   (Followers: 1)
Ethiopian Journal of Education and Sciences     Open Access   (Followers: 6)
Ethiopian Journal of Science and Technology     Open Access  
Ethiopian Journal of Sciences and Sustainable Development     Open Access   (Followers: 5)
European Online Journal of Natural and Social Sciences     Open Access   (Followers: 12)
European Scientific Journal     Open Access   (Followers: 10)
Evidência - Ciência e Biotecnologia - Interdisciplinar     Open Access  
Exchanges : the Warwick Research Journal     Open Access   (Followers: 2)
Experimental Results     Open Access   (Followers: 1)
Extensionismo, Innovación y Transferencia Tecnológica     Open Access   (Followers: 3)
Facets     Open Access  
Fides et Ratio : Revista de Difusión Cultural y Científica     Open Access   (Followers: 1)
Fırat University Turkish Journal of Science & Technology     Open Access  
Fontanus     Open Access  
Forensic Science Policy & Management: An International Journal     Hybrid Journal   (Followers: 378)
Frontiers for Young Minds     Open Access  
Frontiers in Climate     Open Access   (Followers: 3)
Frontiers in Science     Open Access   (Followers: 1)
Fundamental Research     Open Access  
Futures & Foresight Science     Hybrid Journal   (Followers: 4)
Gaudium Sciendi     Open Access   (Followers: 1)
Gazi University Journal of Science     Open Access  
Ghana Studies     Full-text available via subscription   (Followers: 15)
Global Journal of Pure and Applied Sciences     Full-text available via subscription  
Global Journal of Science Frontier Research     Open Access   (Followers: 2)
Globe, The     Full-text available via subscription   (Followers: 4)
HardwareX     Open Access  
Heidelberger Jahrbücher Online     Open Access  
Heliyon     Open Access  
Himalayan Journal of Science and Technology     Open Access   (Followers: 1)
History of Science and Technology     Open Access   (Followers: 1)
Hoosier Science Teacher     Open Access  
Iberoamerican Journal of Science Measurement and Communication     Open Access  
Impact     Open Access   (Followers: 2)
Indian Journal of History of Science     Hybrid Journal   (Followers: 2)
Indonesian Journal of Fundamental Sciences     Open Access  
Indonesian Journal of Science and Mathematics Education     Open Access   (Followers: 4)
Indonesian Journal of Science and Technology     Open Access  
Ingenieria y Ciencia     Open Access   (Followers: 1)
Innovare : Revista de ciencia y tecnología     Open Access  
Instruments     Open Access  
Integrated Research Advances     Open Access  
Interciencia     Open Access   (Followers: 1)
Interface Focus     Full-text available via subscription  
International Annals of Science     Open Access  
International Archives of Science and Technology     Open Access  
International Journal of Academic Research in Business, Arts & Science     Open Access   (Followers: 2)
International Journal of Advanced Multidisciplinary Research and Review     Open Access  
International Journal of Applied Science     Open Access  
International Journal of Basic and Applied Sciences     Open Access   (Followers: 4)
International Journal of Computational and Experimental Science and Engineering (IJCESEN)     Open Access  
International Journal of Culture and Modernity     Open Access   (Followers: 3)
International Journal of Engineering, Science and Technology     Open Access  
International Journal of Innovation and Applied Studies     Open Access   (Followers: 12)
International Journal of Innovative Research and Scientific Studies     Open Access   (Followers: 6)
International Journal of Network Science     Hybrid Journal   (Followers: 3)
International Journal of Recent Contributions from Engineering, Science & IT     Open Access   (Followers: 1)
International Journal of Research in Science     Open Access   (Followers: 2)
International Journal of Science & Emerging Technologies     Open Access   (Followers: 1)
International Journal of Social Sciences and Management     Open Access   (Followers: 3)
International Journal of Technology Policy and Law     Hybrid Journal   (Followers: 7)
International Letters of Social and Humanistic Sciences     Open Access   (Followers: 1)
International Review of Applied Sciences     Open Access  
InterSciencePlace     Open Access   (Followers: 1)
Investiga : TEC     Open Access  
Investigación Joven     Open Access  
Investigación Valdizana     Open Access  
Investigacion y Ciencia     Open Access   (Followers: 1)
Iranian Journal of Science and Technology, Transactions A : Science     Hybrid Journal  
iScience     Open Access   (Followers: 2)
Issues in Science & Technology     Free   (Followers: 7)
Ithaca : Viaggio nella Scienza     Open Access  
J : Multidisciplinary Scientific Journal     Open Access  
Jaunujų mokslininkų darbai     Open Access   (Followers: 1)
Journal de la Recherche Scientifique de l'Universite de Lome     Full-text available via subscription   (Followers: 2)
Journal of Chromatography & Separation Techniques     Open Access   (Followers: 12)
Journal of Advanced Research     Open Access   (Followers: 3)
Journal of Al-Qadisiyah for Pure Science     Open Access   (Followers: 1)
Journal of Alasmarya University     Open Access   (Followers: 3)
Journal of Analytical Science & Technology     Open Access   (Followers: 6)
Journal of Applied Science and Technology     Full-text available via subscription   (Followers: 1)
Journal of Applied Sciences and Environmental Management     Open Access   (Followers: 3)
Journal of Big History     Open Access   (Followers: 3)
Journal of Composites Science     Open Access   (Followers: 3)
Journal of Critical Thought and Praxis     Open Access   (Followers: 2)
Journal of Deliberative Mechanisms in Science     Open Access  
Journal of Diversity Management     Open Access   (Followers: 6)
Journal of Indian Council of Philosophical Research     Hybrid Journal  
Journal of Institute of Science and Technology     Open Access  
Journal of Integrated Science and Technology     Open Access  
Journal of Interaction Science     Open Access   (Followers: 1)
Journal of Kerbala University     Open Access   (Followers: 1)
Journal of King Saud University - Science     Open Access   (Followers: 1)
Journal of Mathematical and Fundamental Sciences     Open Access  
Journal of Natural Sciences and Mathematics Research     Open Access  
Journal of Natural Sciences Research     Open Access   (Followers: 4)
Journal of Negative and No Positive Results     Open Access  
Journal of Responsible Technology     Open Access   (Followers: 1)
Journal of Science (JSc)     Open Access  
Journal of Science and Engineering     Open Access  
Journal of Science and Technology     Open Access   (Followers: 2)
Journal of Science and Technology     Open Access   (Followers: 1)

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Black Sea Journal of Engineering and Science
Number of Followers: 0  

  This is an Open Access Journal Open Access journal
ISSN (Online) 2619-8991
Published by DergiPark Homepage  [100 journals]
  • Reviewing Comfortability in City Squares: A Case Study of Beylikdüzü
           Özgürlük Square

    • Authors: Fatemeh BADEL; Mehmet İNCEOGLU
      Abstract: Public spaces play a significant role in our social life. There are different types of public spaces and squares are one of the most important places in the cities that have influence on shaping our social activities from the past to the present. City squares are not just designed to spend time, in the past, squares were known as gathering locations to make important social decisions. A place where people share what is happening nearby and exchange information. Active and lively public spaces increase social interaction and sense of belonging among people. With the increase of population and urbanization in recent years, the quality of urban areas has been evaluated in terms of improving the quality of life of citizens. Squares are also important public spaces that are examined in terms of quality. In this paper, Beylikdüzü Özgürlük Square comfort parameters are studied. This square is located in western part of Istanbul. Although this area is not very old but it is important due to the connection between the two areas of Esenyurt and Beylikdüzü. Comfort quality indicators of this location are examined. A questionnaire was collected from 71 people living in the area for this research. Their responses were studied and interpreted in line with the purpose of the research.
      PubDate: Fri, 01 Oct 2021 00:00:00 +030
       
  • Skin Cancer Detection via Augmented Image Set with Deep Learning

    • Authors: Erhan ERGÜN; Kazım KILIÇ
      Abstract: In this study, artificial intelligence-based classification experiments were carried out to facilitate the early diagnosis of malignant skin lesions by using deep learning and image processing methods, which have received increasing attention in image classification in recent years. Because melanoma is the most malignant and rarest type of cancer, it is difficult to find enough training and test images to train the deep learning architecture. For this reason, augmented data set was created and training was conducted with 6 different deep learning architectures. Popular architectures AlexNet, DenseNet-121, ResNet-18, ResNet-34, SqueezeNet and VGGNet-16 were used to classify malignant and benign skin lesions. The experiments were carried out on the HAM10000 data set by augmented. As a result of the experiments, with the Resnet-34 architecture, which gave the most successful results, an average of 87.5% accuracy, 94% AUC score, 84.5% F-score, and 87.6% precision were obtained. The results and comparative analyzes obtained from other deep learning architectures are also presented in the study.
      PubDate: Fri, 01 Oct 2021 00:00:00 +030
       
  • Use of Tannin in Ruminant Animal Nutrition

    • Authors: Mustafa BOĞA; Filiz KOCADAYIOĞULLARI, Müge ERKAN CAN
      Abstract: In the present study, it is aimed to take into account the effects that may arise from the use of tannin-containing feed raw materials used in ruminant animal feeding in rations and to regulate their rations accordingly. For this purpose, it will be tried to reveal the positive and negative effects on animals in different feeding studies by specifying the tannin values found in different feed ingredients. The use of tannin in terms of animal nutrition; It varies depending on the type of animal, its physiological condition, the structure and amount of grain. Tannins pass through the stomach undigested like by bass protein by forming compounds with proteins, preventing microorganisms from further breaking down proteins, preventing protein digestibility. Thus, the released proteins are subjected to digestion in the small intestine. In ruminant animals, the release of methane gas into the nature can cause a loss of 2-12% of the gross energy taken with feed. The release of methane gas into the nature in ruminant animals can cause a loss of 2-12% of the gross energy taken with feed. With the use of tannins in animal nutrition, it can be ensured that methane emission to the environment and energy losses in there can be reduced. The reduction of the environmental impacts of methane as a dangerous greenhouse gas has emerged as an important issue recently emphasized. Tannins from 1.38% to 50% can be found in different herbal products such as rosemary, carob, vine leaves, moringa leaves, oak, willow, acacia, legume tree leaves, tea residues, beech, and poplar. While there are differences in usage rates in different literatures, it is recommended to be used in ruminants as it can provide significant advantages in a ration of 1-4% dry matter (DM) and 20-45 g / day.
      PubDate: Fri, 01 Oct 2021 00:00:00 +030
       
  • Grouping Sunflower Lines in Terms of Iron Nutrition Capabilities and
           Determining the Best Iron Nutrition Characteristics of These Lines

    • Authors: Güney AKINOĞLU; Ahmet KORKMAZ, Elif BOZ
      Abstract: The aim of this study is to group the sunflower lines in terms of their iron nutrition ability and to determine the best iron nutrition properties of these lines. For this purpose, 25 g CaCO3 was applied to each pot with 5.6 % CaCO3 in 445 g quartz sand media. In the experiment, non-ferrous nutrient solution with pH adjusted to 6.0 was prepared in the following concentrations. 0.75 mM K2SO4; 2.0 mM Ca(NO3)2.4H2O; 1.0 mM MgSO4.7H2O; 0.25 mM KH2PO4; 0.1 mM KCl; 1.0 µM MnSO4; 1.0 µM ZnSO4.7H2O; 10 µM H3BO3; 0.01 µM (NH4)6Mo7O24; 0.1 µM CuSO4.5H2O. In the experiment, which was planned as 7 × 3 according to the factorial trial design, the treatments were applied in 3 repetitions. Fe-EDDHA, containing 0, 45 and 100 µM Fe, was added to the nutrient solution prepared at the above concentrations. Tolerance index values of sunflower lines for iron deficiency in calcareous environment were calculated as follows. It was calculated by dividing the values of iron feeding characteristics and dry matter contents of sunflower lines grown with non-ferrous nutrient solution to the same characteristics of the lines grown with 45 and 100 µM iron-containing nutrient solution. Sunflower lines 12, 18, 25 and 34 formed the first group in terms of iron nutritional properties under iron deficiency conditions; however, lines 21, 28 and 37 formed the second group. It has been determined that lines 28 and 37 are the closest sunflower lines, while lines 12 and 21 are the furthest from each other. The sunflower line no. 12 was found to be higher in terms of ferric reductase enzyme activity in root and leaf, chlorophyll-a, chlorophyll-b, total chlorophyll contents than the sunflower line no.21. It was concluded that sunflower line no 12 is better than line no 21 in terms of iron nutritional properties under iron deficiency conditions.
      PubDate: Fri, 01 Oct 2021 00:00:00 +030
       
  • Evaluation of the Effects of Covid -19 Pandemic on Logistics Systems

    • Authors: Aybüke Büşra TANRIKULU; Mehmet Serhat ODABAS
      Abstract: The fatal effect of the Covid-19 (coronavirus) virus, which causes pandemics in the world, has negatively affected people's lives. In addition, the Covid-19 pandemic has had negative consequences for many business sectors in countries where trade activities are intensely carried out. This negativity not only affected daily life but also the economy of the countries. It has caused difficulties in logistics activities in the world and in our country. In particular, there were restrictions in cargo, maritime transport and travel companies due to the pandemic and there were disruptions in logistics systems. Because of the deadly virus, people have turned to e-commerce. This situation caused an intense increase in cargo logistics companies. Logistics systems continued their activities by taking various measures against the deadly virus. In this review, the effects of the Covid-19 epidemic on logistics systems are discussed.
      PubDate: Fri, 01 Oct 2021 00:00:00 +030
       
  • Evaluation of the Thermal properties of Epoxy-Agro waste (Egg shell and
           Palm kernel shell) Nanoparticle coating for Mild Steel

    • Authors: Maureen OİSAKEDE
      Abstract: Epoxy has been widely used as a coating material to protect the steel reinforcement in concrete structures, because of its outstanding processability, excellent chemical resistance, good electrical insulating properties, and strong adhesion/affinity. The major disadvantage raised from exothermic curing reaction of highly crosslinked epoxy matrix is brittleness and microcracks that change the epoxy coating performances. The barrier performance of epoxy coatings can be enhanced by the incorporation of inorganic filler particles at nanometer scale which can be dispersed within the epoxy resin matrix to form an epoxy nanocomposite. The parametric addition of eggshell ash nanoparticles (ESAnp) and palm kernel shell ash nanoparticle (PKSAnp) in epoxy for the coating of mild steel was studied. Thermal decomposition was observed in terms of global mass loss by using a TGA Q50 thermogravimetric analyzer. Improvement of 78.05% and 82.56% thermal properties were obtained for the epoxy-4wt%ESAnp and epoxy-5wt%PKSAnp at 1000°C. This work showed that epoxy-4wt%ESAnp and epoxy-5wt%PKSAnp have best properties for thermal applications.
      PubDate: Fri, 01 Oct 2021 00:00:00 +030
       
  • Effect of Rib Shape on Flow Regime and Heat Transfer

    • Authors: Seyhun DURMUŞ
      Abstract: In current study, flow behavior and heat transfer properties in a square channel roughened with square, right triangle, isosceles triangle and circular ribs were examined. The validation test was performed for an experimental square rib case with a pitch ratio (P/e) of 9 and a blockage ratio (e/H) of 0.1. Only to examine the rib shape factor; height, base width, and rib spacing were taken the same in all cases. The study investigated the effect of various rib shapes on flow characteristics, overall thermal performances, normalized heat transfer distributions, and friction factors (pressure losses) at Reynolds numbers of 30,000 and 60,000. As a result of the numerical study, it was found that the rib shape effect did not cause as big differences in the flow properties as the blockage ratio (rib height) and pitch ratio (rib spacing) effect. In terms of the average Nusselt number enhancement, the right triangular ribbed case performed best, circular ribbed case performed worst, while the isosceles ribbed case performed better than square ribbed case. The isosceles ribbed case and right triangular ribbed case cause higher friction factor and pressure loss, while minimum friction is obtained in circular ribbed case and then in square ribbed case. As a result, in terms of overall thermal performances, right triangular ribbed case provided the best performance, followed by isosceles triangular ribbed case. The circular ribbed case produced less friction than the square ribbed case. The thermal performance of the square ribbed case was slightly higher than that of circular ribbed case.
      PubDate: Fri, 01 Oct 2021 00:00:00 +030
       
  • Detecting Face Mask Using Convolution Neural Network

    • Authors: Fatih Ahmet ŞENEL
      Abstract: In this study, a convolutional neural network was developed to detect people who wear and do not wear face masks during periods of epidemics spreading with airborne. In a major pandemic that affects the whole world, the careless behavior of a single person has the potential to endanger the entire country, even the whole world, starting from his immediate environment. For this reason, using a simple face mask during the pandemic should not be underestimated. It is a must to take all necessary precautions at the highest level. Necessary audits are carried out by each country's own law enforcement officers. However, because the number of people is much more than the law enforcement officers can control, technological developments have to be utilized. With this developed system, it is aimed to perform face mask control by artificial intelligence systems instead of manpower. For this purpose, the data set consisting of real human face photographs was generated firstly. In the data set generated, there are 418 face pictures in total, with a mask, and without a mask. While selecting the pictures, masks with different colors and shapes are included in the data set. The classification process was carried out with the convolutional neural networks working with direct raw image input and it is often used in classification processes. In this problem, which is considered as binary classification, hyper parameter adjustment has been made to give the best result of the convolutional neural network architecture. The classification process was carried out by adjusting the optimum parameters of the model. As a result of the classification process, an accuracy rate of 95% was obtained. This percentage of success obtained showed that the convolutional neural networks can be used successfully in detecting the mask on the face.
      PubDate: Fri, 01 Oct 2021 00:00:00 +030
       
  • Comparison of the Use Risks of Food Packaging Machines with the HRNS
           Method and FMEA Method

    • Authors: Tuğçe ORAL; Semra BAYHUN
      Abstract: The fact that the food need, which is one of the basic requirements for the continuation of human life, is accessible to everyone, and the packaging of the products in order to ensure that the products are brought together with the consumer in a safe manner, has created a different production line in the sector. In this study, a sample food product manufacturing plant was evaluated according to the realization rates of work accidents, and since the line with the highest number of work accidents is 'packaging', the design and usage deficiencies of the machines used as a requirement of the job were determined and comparative risk assessment methods were used for improvement. In the research, 128 occupational accident reports that took place in 2018 in a sample food products manufacturing factory were examined. Occupational accident data concretely reveals that there are some problems in the implementation of the employee safety and health measures of the sector. For this reason, HRNS and FMEA risk assessment methods were used as research methods in determining and evaluating the risks of using packaging machines and the results were compared. With the HRNS Method, which enables detailed risk assessment for machines according to comparison results, machine manufacturers are presented with solutions that can be taken as reference in terms of design.
      PubDate: Fri, 01 Oct 2021 00:00:00 +030
       
  • Temperature Susceptibility and Rheological Aging Characteristics of the
           Bitumen Having Different Penetration Grades

    • Authors: Derya KAYA ÖZDEMİR
      Abstract: The performance of the asphalt pavement highly depends on the properties of the bitumen. Therefore, it is important to classify the bitumen’s characteristics in order to ensure the selected binder will provide the desired properties to the asphalt pavement. The Penetration grade, which categorizes the asphalt binder depending on the penetration value of the sample, is one of the most popular system for classification. Since the system considers the penetration value, the bituminous materials having different penetration grade is expected to have different physical, chemical and rheological properties. Within the scope of this study, four bitumen having different penetration grades as 50/70, 70/100, 150/200 and 160/220 were investigated by conventional and rheological analyses. The Penetration Index (PI) and the Rheological Aging Index (RAI) of the samples were calculated to evaluate the effects of penetration grade system on temperature susceptibility and rheological aging characteristics of the samples. As a result, the binders having lower penetration grades are found to be better in terms of rheological aging performance and temperature susceptibility. Furthermore, a very high correlation was found between RAI and PI values of the samples by statistical analysis.
      PubDate: Fri, 01 Oct 2021 00:00:00 +030
       
  • Advantages of Using ERP Program in Business

    • Authors: Ersin ÖZKÖSE; Mehmet Serhat ODABAS
      Abstract: It is an unwritten rule that institutions take advantage in the conditions of competition in today's condition and have a more planned programmatic structure compared to their rivals and they can continue their existence in physical sense. In this context, all enterprises should take steps to achieve maximum profit with minimum cost. At the point of fulfillment of this requirement, it will reduce the error rate to a minimum, and it is necessary to use a systematic application in order to minimize the values to be obtained in relation to the initiative of the individuals in taking a snapshot of the business activities. At this point, the concept of ERP appears. ERP is the easiest way to integrate all employees of institutions and to ensure that they act in coordination. Thanks to this method, telephone, e-mail and sms traffic are minimized and the first steps of systematic approach are taken. In this study, a general literature study about ERP applications has been made and the usage areas, methodology and usage of these applications are explained. The aim of the study is to explain the effects of ERP implementation on institutionalization and to define the minus and its advantages and to guide the increase of its usage.
      PubDate: Fri, 01 Oct 2021 00:00:00 +030
       
 
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