gazi university journal of science最新文献_第6页

Design, Implementation, and Evaluation of an Automated Liquid Dispensing Machine 自动液体点胶机的设计、实现和评估

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gazi university journal of science Pub Date : 2023-04-04 DOI: 10.35378/gujs.1159197

M. Arowolo, A. Adekunle, O. Martins

{"title":"Design, Implementation, and Evaluation of an Automated Liquid Dispensing Machine","authors":"M. Arowolo, A. Adekunle, O. Martins","doi":"10.35378/gujs.1159197","DOIUrl":"https://doi.org/10.35378/gujs.1159197","url":null,"abstract":"The metering of industrial manufacturing liquids is constantly being updated. Using an automated system, metered dispense can now be more accurate to its theoretical value. This system can help reduce the difference between the theoretical and metered volumes in manufacturing applications. This paper describes an automated liquid dispensing machine that uses an AT Mega 328 microcontroller to control the metered volume to the program set-point. The machine's design and implementation include hardware systems assembled from various modules with various functions, such as a microcomputer, power supply, liquid level detection, liquid discharge, conveyor and container detection, and LCD modules. The data collected by the liquid level detection module is analyzed when the system is started to determine the liquid level in the tank. A user loads empty containers onto the conveyor, which are then transferred to the discharge point. The machine calculates the equivalent time in seconds to open the discharge solenoid valve via its control relay and dispense the desired volume based on the user set-point. The experiment performed on the machine with water as the test liquid revealed that the automated dispensing machine's maximum time permissible is 35 s, which corresponds to an equivalent volume of approximately 700 ml of water. Experiments were conducted to compare the theoretical time required to obtain a specified volume to the time required for the machine to dispense the same volume. The results showed that the machine's accuracy is approximately 97.87 %. Therefore, the machine can be used in beverage manufacturing companies, pharmaceutical industries, and laboratories to dispense and fill specified fluids that meet the machine's specifications.","PeriodicalId":12615,"journal":{"name":"gazi university journal of science","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-04-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46497320","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

A comparative study on the generalized spherical fuzzy Einstein aggregation operators 广义球面模糊爱因斯坦聚集算子的比较研究

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gazi university journal of science Pub Date : 2023-04-01 DOI: 10.35378/gujs.937205

E. Güner, H. Aygün

引用次数: 0

ANN and RSM Modelling and Optimization of Paraffins and Aromatics in Crude Oil Distillation Products’ Properties in Iraq 伊拉克原油蒸馏产品性质中石蜡和芳烃的ANN和RSM建模与优化

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gazi university journal of science Pub Date : 2023-03-30 DOI: 10.35378/gujs.1143087

J. Yamin, Eman Sheet, Ayad ِAL JUBORİ

引用次数: 0

Investigation of Genes and Their Interactions in Liver Diseases Using Bioinformatics Algorithms 应用生物信息学算法研究肝病中的基因及其相互作用

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gazi university journal of science Pub Date : 2023-03-20 DOI: 10.35378/gujs.1182561

Saliha Acar, Gıyasettin Özcan, E. Gülbandilar

{"title":"Investigation of Genes and Their Interactions in Liver Diseases Using Bioinformatics Algorithms","authors":"Saliha Acar, Gıyasettin Özcan, E. Gülbandilar","doi":"10.35378/gujs.1182561","DOIUrl":"https://doi.org/10.35378/gujs.1182561","url":null,"abstract":"In this study, we considered progression of liver diseases. Particularly we considered Hepatocellular Carcinoma Cancer, HCC, whose patients have low survival rates. For this purpose, we researched molecular structures and protein interactions involved in the initiation and progression of HCC. We exploited microarray data samples and their gene expression profiles from literature. During analysis, we implemented statistical data analysis techniques and looked for Differentially Expressed Genes during the initiation and progression of HCC. As a result of this analysis we found 12 hub genes, where 3 of them (ANLN, TOP2A and ASPM) were upregulated and the others (CXCL14, LINC01093, OIT3, CLEC4G, THRSP, APOF, CLTRN and FCN3) were downregulated. By performing Gene Ontology Analysis, we classified genes with increased or decreased expressions in terms of cellular component, biological process, and molecular function. Subsequently, we executed protein-protein interaction network analysis and found important interactions between the hub genes. Results of data analysis concluded that these 12 genes and their interactions play a key role in the initiation and progression of significant liver diseases and can be used as a potential biomarker for disease progression. Furthermore, gene feature analysis showed that it is becoming more difficult to compensate functional deficiencies of the proteins encoded by these genes during biological processes. In particular, Gene Ontology Analysis denoted that TOP2A gene associates with many of the biological pathways and a change in the expression of this gene can cause decent problems in many cellular functions.","PeriodicalId":12615,"journal":{"name":"gazi university journal of science","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-03-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46696795","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Small Size Broadband Printed Antenna for 5G Applications Covering 28 GHz / 38 GHz and 60 GHz Bands 适用于5G应用的小型宽带印刷天线，覆盖28 GHz/38 GHz和60 GHz频带

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gazi university journal of science Pub Date : 2023-03-18 DOI: 10.35378/gujs.1178594

Gazi University, Vijay Sharma, N. Mishra, Atul Agarwal, N. Gupta

引用次数: 0

Hybrid Technology for Water Heating Applications: A Review 水加热混合技术的应用综述

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gazi university journal of science Pub Date : 2023-03-17 DOI: 10.35378/gujs.1192114

A. Okubanjo, G. Ofualagba, P. Oshevi̇re

引用次数: 1

Estimation Study of Multicomponent Stress-Strength Reliability Using Advanced Sampling Approach 基于先进抽样方法的多分量应力-强度可靠性估计研究

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gazi university journal of science Pub Date : 2023-03-09 DOI: 10.35378/gujs.1132770

A. Hassan, Rasha S. Elshaarawy, H. Nagy

引用次数: 1

Detection of Bovine Species on Image Using Machine Learning Classifiers 利用机器学习分类器检测图像上的牛种

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gazi university journal of science Pub Date : 2023-03-06 DOI: 10.35378/gujs.1203685

Ali Tezcan Sarizeybek, A. Işık

{"title":"Detection of Bovine Species on Image Using Machine Learning Classifiers","authors":"Ali Tezcan Sarizeybek, A. Işık","doi":"10.35378/gujs.1203685","DOIUrl":"https://doi.org/10.35378/gujs.1203685","url":null,"abstract":"There are too many cattle in the world and too many breeds of cattle. For someone who is new to cattle breeding, it may be difficult to tell which species their cattle are. In some cases, an experienced person may not understand the breeds of two cattle that are similar in appearance. In this study, the aim is to classify the cattle species with image processing methods and mobile applications written in Flutter and TensorFlow Lite. For classifying breeds, The VGG-16 algorithm was used for feature extraction. XGBoost and Random Forest algorithms were used for classification and the combined versions of the two methods were compared. In addition, SMOTE algorithm and image augmentation algorithms were used to prevent the imbalance of the dataset, the performance results of the combined versions of the two methods were compared. Images of different cattle species from different farms were obtained and the dataset was prepared, then trained image classification models and tested the trained models. As a result of performance tests, it’s obtained that the best model is VGG16+Random Forest+SMOTE+Augmentation with 88.77% accuracy result for this study. In the mobile application, first the cattle is detected with a pre-trained object detection model, and then the breed classification of the cattle on the image is made with image classification model.","PeriodicalId":12615,"journal":{"name":"gazi university journal of science","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-03-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44257066","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Voltage Dependent Profiles of the Surface States and Series Resistance (Rs) in the Al-(Cd:ZnO)-pSi Schottky Diodes (SDs) Utilizing Voltage-Current (IV) Characteristics 利用电压-电流（IV）特性的Al-（Cd:ZnO）-pSi肖特基二极管（SD）表面态和串联电阻（Rs）的电压相关分布

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gazi university journal of science Pub Date : 2023-03-03 DOI: 10.35378/gujs.1218206

Neslihan Delen, I. Tasçioglu, S. ALTINDAL YERİŞKİN, A. Özbay

{"title":"Voltage Dependent Profiles of the Surface States and Series Resistance (Rs) in the Al-(Cd:ZnO)-pSi Schottky Diodes (SDs) Utilizing Voltage-Current (IV) Characteristics","authors":"Neslihan Delen, I. Tasçioglu, S. ALTINDAL YERİŞKİN, A. Özbay","doi":"10.35378/gujs.1218206","DOIUrl":"https://doi.org/10.35378/gujs.1218206","url":null,"abstract":"In this work, the main electronic parameters of the performed Al-(CdxZn1-xO)-pSi Metal/İnterface-layer/Semiconductor (MIS) type Schotty Diodes (SDs) have been investigated by utilizing IV characteristics at 300 K. The (CdxZn1-xO) interfacial layer was enlarged on the pSi wafer by utilizing sol-gel technique. Ideality-factor(n), potential barrier Фbo, Rs, shunt resistances (Rsh) and rectification rate (RR) (Iforward/Ireverse) values have been calculated based on thermionic emission (TE) theory and Cheung function between -5V and 5V and they changed for 0.1, 0.2, and 0.3 Cd doped interfacial layer. Energy-dependent profiles of them were also extracted from the forward bias IV data and their magnitude was found as 1012eV-1.cm-2 order which are very appropriate for the MIS type SD. The values of n, barrier height (BH), Фbo, and RR were changed from the 4.347, 0.582 eV, 5.74x103 to 5.293, 0.607 eV, 2.83x106, These results show that electronic parameters of these SDs are strong function of voltage, calculated method, and the dopand rate of Cadminium (Cd) interfacial layer and the best one rate is the 30% Cd:ZnO. Thus such an interfacial layer may be used instead of traditional insulator layers and increase the quality of Metal/Semiconductor (MS) type SDs. \u0000.","PeriodicalId":12615,"journal":{"name":"gazi university journal of science","volume":null,"pages":null},"PeriodicalIF":0.9,"publicationDate":"2023-03-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49341851","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

On Quaternions with Higher Order Jacobsthal Numbers Components 具有高阶jacobthal数分量的四元数

gazi university journal of science Pub Date : 2023-03-01 DOI: 10.35378/gujs.1002454

Engin ÖZKAN, Mine UYSAL

引用次数: 1