Al-Bahir Journal for Engineering and Pure Sciences最新文献_第2页

Cauchy distribution with Cuckoo search algorithms for solving job shop scheduling Problem 柯西分布与布谷鸟搜索算法求解作业车间调度问题

Al-Bahir Journal for Engineering and Pure Sciences Pub Date : 2023-11-04 DOI: 10.55810/2313-0083.1048

Ruqaya A. Muter, Luma S. Hasana

{"title":"Cauchy distribution with Cuckoo search algorithms for solving job shop scheduling Problem","authors":"Ruqaya A. Muter, Luma S. Hasana","doi":"10.55810/2313-0083.1048","DOIUrl":"https://doi.org/10.55810/2313-0083.1048","url":null,"abstract":"This research applies the Cuckoo Search Algorithm, specifically the Original Cuckoo Search(CS), Improved Cuckoo Search(ICS), and Global Feedback cuckoo search(GFCS) with different values of parameters instead of using a fixed value of probability a banda (Pa) which equal to 0.25 by another researcher to solve the problem of Job Shop Scheduling. The goal is to modify the method to improve its effectiveness and total completion time (Makespan) using benchmark datasets for basic scheduling problems, and suggest using the Cauchy distribution, with its ability to generate random numbers from distant points, and the stronger perturbation ability of Cauchy variation compared to Gaussian variation, along with Levy flight, effectively prevent the cuckoo algorithm from falling into local optima. Notably, when the step size is 0.1 and Pa is 0.1, with a population of 10 and 100 iterations, GFCS obtains the ideal Makespan of 140 when applied to the (20x20) set. Also, the Cauchy distribution for the CS produces the best results compared levy distribution that increases the variety of the nests, enabling escape from regional extreme values and fostering global search.","PeriodicalId":218143,"journal":{"name":"Al-Bahir Journal for Engineering and Pure Sciences","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-11-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135774772","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

Improving the structural and physical yield of aluminum by repeated additions of iron carbide 通过反复添加碳化铁提高铝的结构和物理收率

Al-Bahir Journal for Engineering and Pure Sciences Pub Date : 2023-09-21 DOI: 10.55810/2313-0083.1047

Fayrooz K. Albasri

{"title":"Improving the structural and physical yield of aluminum by repeated additions of iron carbide","authors":"Fayrooz K. Albasri","doi":"10.55810/2313-0083.1047","DOIUrl":"https://doi.org/10.55810/2313-0083.1047","url":null,"abstract":"Aluminum suffers from low hardness and some ductility when thermal sintering which requires reinforcement with carbide or ceramic materials as Iron FeC with volumetric properties (2,4,6,8,10 )%. For purpose of the pressing process after mixing the two powder together, a scanning electron microscope examination performed for the prepared samples and found that there is a surface and structural consistency between aluminum and iron carbide and the best homogeneity is at10 % of carbide. Also some physical tests conducted for prepared samples and the results of the real density showed that the addition of iron carbide increases the density gradually and the highest density is 4.01 g/cm3 at a cementing ratio of 10% and after thermal sintering at 600°C for two hours, the real porosity was obtained and under the same conditions by 9% while the water absorption was 0.583% the mechanical properties at the same conditions was the hardness 460Hv, the diagonal compressive strength 110MPa , the wear was 2×10-8g/cm, while the results of the electron microscope cleared that the ratio 10% is the best proportion in consistency with the surface and the external composition of the pistons in the terms of the least defects and pores. Therefore the ideal conditions were the reinforcement ratio 10%FeC at thermal sintering 600°C for two hours only.","PeriodicalId":218143,"journal":{"name":"Al-Bahir Journal for Engineering and Pure Sciences","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136240309","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

Improving the structural and physical yield of aluminum by repeated additions of iron carbide 通过反复添加碳化铁提高铝的结构和物理收率

Al-Bahir Journal for Engineering and Pure Sciences Pub Date : 2023-09-21 DOI: 10.55810/2312-5721.1047

Fayrooz K. Albasri

{"title":"Improving the structural and physical yield of aluminum by repeated additions of iron carbide","authors":"Fayrooz K. Albasri","doi":"10.55810/2312-5721.1047","DOIUrl":"https://doi.org/10.55810/2312-5721.1047","url":null,"abstract":"Aluminum suffers from low hardness and some ductility when thermal sintering which requires reinforcement with carbide or ceramic materials as Iron FeC with volumetric properties (2,4,6,8,10 )%. For purpose of the pressing process after mixing the two powder together, a scanning electron microscope examination performed for the prepared samples and found that there is a surface and structural consistency between aluminum and iron carbide and the best homogeneity is at10 % of carbide. Also some physical tests conducted for prepared samples and the results of the real density showed that the addition of iron carbide increases the density gradually and the highest density is 4.01 g/cm3 at a cementing ratio of 10% and after thermal sintering at 600°C for two hours, the real porosity was obtained and under the same conditions by 9% while the water absorption was 0.583% the mechanical properties at the same conditions was the hardness 460Hv, the diagonal compressive strength 110MPa , the wear was 2×10-8g/cm, while the results of the electron microscope cleared that the ratio 10% is the best proportion in consistency with the surface and the external composition of the pistons in the terms of the least defects and pores. Therefore the ideal conditions were the reinforcement ratio 10%FeC at thermal sintering 600°C for two hours only.","PeriodicalId":218143,"journal":{"name":"Al-Bahir Journal for Engineering and Pure Sciences","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136236366","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

Using Powder Metallurgy Process to Produce Ceramic-Metal Composites 应用粉末冶金工艺制备陶瓷-金属复合材料

Al-Bahir Journal for Engineering and Pure Sciences Pub Date : 2023-09-03 DOI: 10.55810/2313-0083.1046

Ibrahim F. Abed, Salih, Y. Darweesh

{"title":"Using Powder Metallurgy Process to Produce Ceramic-Metal Composites","authors":"Ibrahim F. Abed, Salih, Y. Darweesh","doi":"10.55810/2313-0083.1046","DOIUrl":"https://doi.org/10.55810/2313-0083.1046","url":null,"abstract":"Pressing powders and engineering materials is an innovative method for producing samples with a low cost and multiple industrial applications. In the current article, copper metal was added in different volume ratios to a ceramic material, alumina, for the purpose of improving the properties of alumina, by pressing with a hydraulic press. Where the results of the article showed that the percentage of true porosity after sintering is from (26-13)% with a copper content of (5%) to (25%). As for the apparent porosity after sintering, it decreased from (26-9)% at a copper content of (5-25)%, while the water absorption was directly proportional to the real and apparent porosity. As for the results, the Vickers hardness increased after sintering from(54-101)Kg/mm2 at a copper content of (5-25)%. As for after heat treatment, there was a gradual increase in the resistance from (73-118)N/mm2 at a copper content of (5-25)%. As for the synthetic results of SEM, the best consistency was at (25%) copper, and the X-ray diffraction results showed the emergence of new phases that significantly strengthen the composites and improve the mechanical and structural properties And a clear improvement during the crystalline structure, and thus we find that the appearance of the phase (CuAlO2) is characterized by high durability and strength that hinders crystalline dislocations.","PeriodicalId":218143,"journal":{"name":"Al-Bahir Journal for Engineering and Pure Sciences","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134949783","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

Using Powder Metallurgy Process to Produce Ceramic-Metal Composites 应用粉末冶金工艺制备陶瓷-金属复合材料

Al-Bahir Journal for Engineering and Pure Sciences Pub Date : 2023-09-03 DOI: 10.55810/2312-5721.1046

Ibrahim F. Abed, S. Darweesh

{"title":"Using Powder Metallurgy Process to Produce Ceramic-Metal Composites","authors":"Ibrahim F. Abed, S. Darweesh","doi":"10.55810/2312-5721.1046","DOIUrl":"https://doi.org/10.55810/2312-5721.1046","url":null,"abstract":"Pressing powders and engineering materials is an innovative method for producing samples with a low cost and multiple industrial applications. In the current article, copper metal was added in different volume ratios to a ceramic material, alumina, for the purpose of improving the properties of alumina, by pressing with a hydraulic press. Where the results of the article showed that the percentage of true porosity after sintering is from (26 e 13)% with a copper content of (5%) to (25%). As for the apparent porosity after sintering, it decreased from (26 e 9)% at a copper content of (5 e 25)%, while the water absorption was directly proportional to the real and apparent porosity. As for the results, the Vickers hardness increased after sintering from(54 e 101)Kg/mm 2 at a copper content of (5 e 25)%. As for after heat treatment, there was a gradual increase in the resistance from (73 e 118)N/mm 2 at a copper content of (5 e 25)%. As for the synthetic results of SEM, the best consistency was at (25%) copper, and the X-ray diffraction results showed the emergence of new phases that signi ﬁ cantly strengthen the composites and improve the mechanical and structural properties And a clear improvement during the crystalline structure, and thus we ﬁ nd that the appearance of the phase (CuAlO 2 ) is characterized by high durability and strength that hinders crystalline dislocations.","PeriodicalId":218143,"journal":{"name":"Al-Bahir Journal for Engineering and Pure Sciences","volume":"22 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134491826","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

Concentration of Spraying Solution Effect on the Structural, Morphological and Optical Properties of NiO Thin Films 喷涂溶液浓度对NiO薄膜结构、形貌和光学性能的影响

Al-Bahir Journal for Engineering and Pure Sciences Pub Date : 2023-09-01 DOI: 10.55810/2312-5721.1039

Radhiyah M. Aljarrah, Ali Madlool Naamah, A. H. Alkhayatt

{"title":"Concentration of Spraying Solution Effect on the Structural, Morphological and Optical Properties of NiO Thin Films","authors":"Radhiyah M. Aljarrah, Ali Madlool Naamah, A. H. Alkhayatt","doi":"10.55810/2312-5721.1039","DOIUrl":"https://doi.org/10.55810/2312-5721.1039","url":null,"abstract":"In the present study nickel oxide NiO thin ﬁ lms of thickness ranging about 250 e 350 nm which were prepared on glass substrates by using chemical spray pyrolysis as a simple and low cost method. The impact of thickness and aqueous solution molarity concentration on the crystal structure and optical characteristics were investigated. The results showed that the deposited ﬁ lms is homogenous and have a good adherent to the glass substrates. The crystal structure results showed that all ﬁ lms have polycrystalline in nature, of rock salt phase, and the preferential orientation is an along (111) plane. The diffraction intensity was increased with the increase in spray solution concentration, leading to the enhancement of the crystallinity and an increase in the crystallite size from 9.7 nm to 28.5 nm and reducing the dislocation density from (104.3 e 12.2) £ 10 16 line/m 2 . While the results of AFM results show that the grain size (D) enlarges with increasing molarities concentration. Transmittance spectra con ﬁ rm that the optical transmittance is of the direct allowed type, while the value of transparency ranged from moderate to weak value and decrease when the spray so-lution molar concentration and ﬁ lm thickness increases. Whereas the forbidden energy gap was decremented with the increment of molarity concentration of spray solution and ﬁ lm thickness from 3.85 to 3.15 eV.","PeriodicalId":218143,"journal":{"name":"Al-Bahir Journal for Engineering and Pure Sciences","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117201760","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

Concentration of Spraying Solution Effect on the Structural, Morphological and Optical Properties of NiO Thin Films 喷涂溶液浓度对NiO薄膜结构、形貌和光学性能的影响

Al-Bahir Journal for Engineering and Pure Sciences Pub Date : 2023-09-01 DOI: 10.55810/2313-0083.1039

Radhiyah M. Aljarrah, Ali Madlool Naamah, Adel H. Omran Alkhayatt

{"title":"Concentration of Spraying Solution Effect on the Structural, Morphological and Optical Properties of NiO Thin Films","authors":"Radhiyah M. Aljarrah, Ali Madlool Naamah, Adel H. Omran Alkhayatt","doi":"10.55810/2313-0083.1039","DOIUrl":"https://doi.org/10.55810/2313-0083.1039","url":null,"abstract":"In the present study nickel oxide NiO thin films of thickness ranging about 250-350 nm which were prepared on glass substrates by using chemical spray pyrolysis as a simple and low cost method. The impact of thickness and aqueous solution molarity concentration on the crystal structure and optical characteristics were investigated. The results showed that the deposited films is homogenous and have a good adherent to the glass substrates. The crystal structure results showed that all films have polycrystalline in nature, of rock salt phase, and the preferential orientation is an along (111) plane. The diffraction intensity was increased with the increase in spray solution concentration, leading to the enhancement of the crystallinity and an increase in the crystallite size from 9.7 nm to 28.5 nm and reducing the dislocation density from (104.3 to 12.2) × 1016 line/m2. While the results of AFM results show that the grain size (D) enlarges with increasing molarities concentration. Transmittance spectra confirm that the optical transmittance is of the direct allowed type, while the value of transparency ranged from moderate to weak value and decrease when the spray solution molar concentration and film thickness increases. Whereas the forbidden energy gap was decremented with the increment of molarity concentration of spray solution and film thickness from 3.85 to 3.15 eV.","PeriodicalId":218143,"journal":{"name":"Al-Bahir Journal for Engineering and Pure Sciences","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135691613","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

Comparative investigations on microextraction and conventional air sampling techniques: challenges and future directions 微萃取与传统空气取样技术的比较研究:挑战与未来方向

Al-Bahir Journal for Engineering and Pure Sciences Pub Date : 2023-09-01 DOI: 10.55810/2312-5721.1045

Firoz Ahmed, Mehedi Hasan Roni, Ashiqur Rahman, Sayed M A Salam

引用次数: 0

Comparative investigations on microextraction and conventional air sampling techniques: challenges and future directions 微萃取与传统空气取样技术的比较研究:挑战与未来方向

Al-Bahir Journal for Engineering and Pure Sciences Pub Date : 2023-09-01 DOI: 10.55810/2313-0083.1045

Firoz Ahmed, Mehedi Hasan Roni, Ashiqur Rahman, Sayed M A Salam

{"title":"Comparative investigations on microextraction and conventional air sampling techniques: challenges and future directions","authors":"Firoz Ahmed, Mehedi Hasan Roni, Ashiqur Rahman, Sayed M A Salam","doi":"10.55810/2313-0083.1045","DOIUrl":"https://doi.org/10.55810/2313-0083.1045","url":null,"abstract":"Microextraction technique (e.g., solid phase microextraction, thin film microextraction, in-tube extraction) brings a revolutionary change in air sampling techniques over the recent few years. This advanced technique exhibits a high pollutant extraction rate, a low retention time, and a lower error margin compared to conventional air sampling techniques. The accuracy range of microextraction technique (MET) was recorded ~90-95% to isolate the volatile organic components, oxygenated and halogenated carbon particles from the air. However, the efficiency of MET increases additional >3-5% when employed by coupled with gas chromatography or gas chromatography-mass spectrometry. The conventional sampling techniques (e.g., bag sampling, grab sampling) on the other hand, displayed the accuracy of ~75- 80% which is ~20% lower than MET. The factors that potentially affect the performance of both conventional and MET were thoroughly investigated in this study. For instance, it was observed that the quality of needle coating used in MET significantly affects the pollutant trapping and at least ~5% of total performance cut off due to damaged and corroded coating. In addition, smart sensor-based air sampling techniques are also being investigated as this technique is a recent development in air quality monitoring. This fully automated state-of-the-art technology shows more than 98% accuracy with significantly high sensitivity and pollutant extraction rate. Finally, this investigation distinguishes the potential advantages, disadvantages, and challenges to increase accuracy between advanced and conventional sampling techniques, drawing attention to the urgent need to improve the performance of the air sampling techniques investigated in this study.","PeriodicalId":218143,"journal":{"name":"Al-Bahir Journal for Engineering and Pure Sciences","volume":"142 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135691615","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

Predictive Diabetes Mellitus From DNA Sequences Using Deep Learning 利用深度学习从DNA序列预测糖尿病

Al-Bahir Journal for Engineering and Pure Sciences Pub Date : 2023-08-30 DOI: 10.55810/2313-0083.1042

Lena abed ALraheim Hamza, Hussein Attya Lafta, Sura Zaki Al-Rashid

{"title":"Predictive Diabetes Mellitus From DNA Sequences Using Deep Learning","authors":"Lena abed ALraheim Hamza, Hussein Attya Lafta, Sura Zaki Al-Rashid","doi":"10.55810/2313-0083.1042","DOIUrl":"https://doi.org/10.55810/2313-0083.1042","url":null,"abstract":"Diabetes is a chronic metabolic disorder characterized by elevated blood sugar levels. It manifests in different forms, with type 1 and type 2 being the most prevalent. Type 1 diabetes results from the autoimmune destruction of insulin-producing cells, whereas type 2 diabetes primarily stems from insulin resistance. Despite advancements in treatment, accurate detection and prediction of diabetes remain challenging. Early diagnosis is crucial for effective management and prevention of complications. Another obstacle lies in interpreting vast amounts of health data, including DNA sequencing, which poses difficulties for healthcare professionals in identifying relevant patterns and associations. Artificial intelligence (AI) holds promise in healthcare by developing and training deep learning algorithms to analyze health data and DNA sequences. The research paper focuses on applying both Convolutional Neural Networks (CNNs) algorithm, in addition to Long Short-Term Memory (LSTM) algorithm for predicting types of diabetes based on DNA sequencing. The study aims to leverage the power of CNN and LSTM, known for their proficiency in analyzing image and sequence data, to accurately classify diabetes types. The experimental results of the proposed CNN-LSTM model showcased remarkable performance, achieving a recorded accuracy of 100% on a labeled dataset that included DNA sequencing and corresponding diabetes types. The model's evaluation encompassed several metrics, including accuracy, recall, precision, and the F1 score.","PeriodicalId":218143,"journal":{"name":"Al-Bahir Journal for Engineering and Pure Sciences","volume":"118 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136241690","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