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International Journal of Advances in Engineering Sciences and Applied Mathematics最新文献

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Novel fringing field model for MEMS resonators 新型MEMS谐振器边缘场模型
International Journal of Advances in Engineering Sciences and Applied Mathematics Pub Date : 2023-10-17 DOI: 10.1007/s12572-023-00357-0
Rahul Kumar, Dileesh Parayil, Amar K. Gaonkar
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引用次数: 0
Higher order accurate numerical simulation of shear flow past a circular cylinder with an attached arc-shaped control plate 带圆弧控制板的圆柱剪切流的高阶精确数值模拟
International Journal of Advances in Engineering Sciences and Applied Mathematics Pub Date : 2023-09-28 DOI: 10.1007/s12572-023-00358-z
Ashwani Punia, Rajendra K. Ray
{"title":"Higher order accurate numerical simulation of shear flow past a circular cylinder with an attached arc-shaped control plate","authors":"Ashwani Punia, Rajendra K. Ray","doi":"10.1007/s12572-023-00358-z","DOIUrl":"https://doi.org/10.1007/s12572-023-00358-z","url":null,"abstract":"","PeriodicalId":44367,"journal":{"name":"International Journal of Advances in Engineering Sciences and Applied Mathematics","volume":"68 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135385426","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
Computational indentation in weakly cross-linked polymer networks 弱交联聚合物网络中的计算压痕
International Journal of Advances in Engineering Sciences and Applied Mathematics Pub Date : 2023-09-27 DOI: 10.1007/s12572-023-00354-3
Manoj Kumar Maurya, Manjesh Kumar Singh
{"title":"Computational indentation in weakly cross-linked polymer networks","authors":"Manoj Kumar Maurya, Manjesh Kumar Singh","doi":"10.1007/s12572-023-00354-3","DOIUrl":"https://doi.org/10.1007/s12572-023-00354-3","url":null,"abstract":"","PeriodicalId":44367,"journal":{"name":"International Journal of Advances in Engineering Sciences and Applied Mathematics","volume":"33 8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135535592","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
Analysis of unidirectional polyethylene-glass fiber-reinforced phenolic polymer composite laminate 单向聚乙烯-玻璃纤维增强酚醛聚合物复合层压板分析
International Journal of Advances in Engineering Sciences and Applied Mathematics Pub Date : 2023-09-16 DOI: 10.1007/s12572-023-00349-0
Hrishita Barman, Arghya Nandi, Chandan Datta
{"title":"Analysis of unidirectional polyethylene-glass fiber-reinforced phenolic polymer composite laminate","authors":"Hrishita Barman, Arghya Nandi, Chandan Datta","doi":"10.1007/s12572-023-00349-0","DOIUrl":"https://doi.org/10.1007/s12572-023-00349-0","url":null,"abstract":"","PeriodicalId":44367,"journal":{"name":"International Journal of Advances in Engineering Sciences and Applied Mathematics","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2023-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"135308355","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
Stress intensity factors of Brazilian disc rotating about diameter 巴西圆盘绕直径旋转的应力强度因子
IF 0.9
International Journal of Advances in Engineering Sciences and Applied Mathematics Pub Date : 2023-09-06 DOI: 10.1007/s12572-023-00348-1
Swapnil Singh, K. V. N. Surendra
{"title":"Stress intensity factors of Brazilian disc rotating about diameter","authors":"Swapnil Singh, K. V. N. Surendra","doi":"10.1007/s12572-023-00348-1","DOIUrl":"https://doi.org/10.1007/s12572-023-00348-1","url":null,"abstract":"","PeriodicalId":44367,"journal":{"name":"International Journal of Advances in Engineering Sciences and Applied Mathematics","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2023-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49556754","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
Multi-pass weld influence on the microstructure of gas tungsten arc welded Ti–6Al–4V alloy 多道焊对钨极气体保护焊Ti–6Al–4V合金组织的影响
IF 0.9
International Journal of Advances in Engineering Sciences and Applied Mathematics Pub Date : 2023-09-05 DOI: 10.1007/s12572-023-00346-3
Bhanu Pratap Gautam, A. S. Shahi
{"title":"Multi-pass weld influence on the microstructure of gas tungsten arc welded Ti–6Al–4V alloy","authors":"Bhanu Pratap Gautam, A. S. Shahi","doi":"10.1007/s12572-023-00346-3","DOIUrl":"https://doi.org/10.1007/s12572-023-00346-3","url":null,"abstract":"","PeriodicalId":44367,"journal":{"name":"International Journal of Advances in Engineering Sciences and Applied Mathematics","volume":" ","pages":""},"PeriodicalIF":0.9,"publicationDate":"2023-09-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45581378","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
Resulting deposition patterns in various sessile droplets undergoing evaporation 在经历蒸发的各种固着液滴中产生的沉积模式
IF 0.9
International Journal of Advances in Engineering Sciences and Applied Mathematics Pub Date : 2023-09-01 DOI: 10.1007/s12572-023-00345-4
Shivani Chauhan, Navneet Kumar
{"title":"Resulting deposition patterns in various sessile droplets undergoing evaporation","authors":"Shivani Chauhan, Navneet Kumar","doi":"10.1007/s12572-023-00345-4","DOIUrl":"https://doi.org/10.1007/s12572-023-00345-4","url":null,"abstract":"","PeriodicalId":44367,"journal":{"name":"International Journal of Advances in Engineering Sciences and Applied Mathematics","volume":"15 1","pages":"130 - 141"},"PeriodicalIF":0.9,"publicationDate":"2023-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41771374","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 new transmissometer method that measures runway visibility across a short distance 一种测量短距离跑道可见度的透射仪新方法
International Journal of Advances in Engineering Sciences and Applied Mathematics Pub Date : 2023-09-01 DOI: 10.11591/ijaas.v12.i3.pp285-292
Mariam Mohamed Abud
{"title":"A new transmissometer method that measures runway visibility across a short distance","authors":"Mariam Mohamed Abud","doi":"10.11591/ijaas.v12.i3.pp285-292","DOIUrl":"https://doi.org/10.11591/ijaas.v12.i3.pp285-292","url":null,"abstract":"<p><span lang=\"EN-US\">The present technique developed a transmissometer idea for intensity measurements in the ecosystem across an 80 cm distance. The method relies on the transmission of an optical or infrared (diode laser 785 nm) signal obtained on spectrum analyses (ocean optics HG4000) received signal from the laser under unique conditions (light dust, heavy dust, and waterdrops) at a short distance. Thus, this approach is useful to measure the intensities of the laser beam and locate the visibility measurements of laser transmissometers in the rain and special care to the dust. The results showed that heavy dust enhanced the visibility measurements for distinct intensity distributions between showers and dust. Since light and heavy dust within a single transmittance can easily cover the entire runway visual range (RVR) range for a brief period, visibility measurements were crucial. The full-scale value corresponds to infinite visibility for heavy dust (0.8611) and minimum visibility for drop rain conditions (0.01073).</span></p>","PeriodicalId":44367,"journal":{"name":"International Journal of Advances in Engineering Sciences and Applied Mathematics","volume":"7 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":"134995620","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
Antioxidant activity and inhibition of α-glucosidase from extract and fraction of leaves and stems of Vernonia amygdalina 苦扁桃叶、茎提取物及部位抗氧化活性及α-葡萄糖苷酶抑制作用
International Journal of Advances in Engineering Sciences and Applied Mathematics Pub Date : 2023-09-01 DOI: 10.11591/ijaas.v12.i3.pp274-284
Siahaan Rafael, I Made Artika, Waras Nurcholis
{"title":"Antioxidant activity and inhibition of α-glucosidase from extract and fraction of leaves and stems of Vernonia amygdalina","authors":"Siahaan Rafael, I Made Artika, Waras Nurcholis","doi":"10.11591/ijaas.v12.i3.pp274-284","DOIUrl":"https://doi.org/10.11591/ijaas.v12.i3.pp274-284","url":null,"abstract":"Previous studies have shown that bitter leaf (<em>Vernonia amygdalina</em> Del.) has the ability as an antioxidant and an α-glucosidase inhibitor. Still, the difference in antioxidant activity and α-glucosidase inhibition based on the leaves and stems parts have not yet been determined. The effect of flavonoid-enriched extract on antioxidant activity and inhibition of α-glucosidase has not yet been determined. This research aimed to assess the impact of flavonoid-enriched extract from the leaves and stems part of the bitter leaf. The leaves and stems part of the bitter leaf were extracted using Soxhlet apparatus with 80% methanol and then underwent successive fractionation with petroleum ether, chloroform, and ethyl acetate. The crude extract and the fraction were concentrated and followed by the determination of total flavonoid, total phenolic, antioxidant activity, α-glucosidase inhibition activity, and calculated the IC<sub>50</sub> of α-glucosidase inhibition. This research showed that chloroform-ethyl acetate leaf fraction was the best fraction with the higher total flavonoid (24.091±0.972 mg QE/g DW), total phenolic (84.299±4.589 mg GAE/g DW), diphenylpicrylhydrazyl (DPPH) antioxidant activity (33.881 μM TE/g DW), ferric reducing antioxidant power (FRAP) antioxidant activity (312.022±1.745 μM TE/g DW) and α-glucosidase inhibition activity with an IC<sub>50</sub> value 1.23 mg/mL.","PeriodicalId":44367,"journal":{"name":"International Journal of Advances in Engineering Sciences and Applied Mathematics","volume":"9 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":"135587756","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
Groundwater recharge estimation using chloride mass balance method on the southern slope of Merapi Volcano, Indonesia 用氯化物质量平衡法估算印尼默拉皮火山南坡地下水补给
International Journal of Advances in Engineering Sciences and Applied Mathematics Pub Date : 2023-09-01 DOI: 10.11591/ijaas.v12.i3.pp265-273
Restu Dwi Cahyo Adi, Wahyu Wilopo, Hendy Setiawan
{"title":"Groundwater recharge estimation using chloride mass balance method on the southern slope of Merapi Volcano, Indonesia","authors":"Restu Dwi Cahyo Adi, Wahyu Wilopo, Hendy Setiawan","doi":"10.11591/ijaas.v12.i3.pp265-273","DOIUrl":"https://doi.org/10.11591/ijaas.v12.i3.pp265-273","url":null,"abstract":"Groundwater is a main resource for the majority of Indonesian people as a source of clean water to meet their daily needs. The increase in groundwater use is unavoidable due to increasing development in Indonesia, especially in Yogyakarta. Groundwater recharge is important in the hydrological cycle to meet groundwater needs. Therefore, this study aims to estimate groundwater recharge by the chloride mass balance (CMB) method on the southern slope of Merapi Volcano in Yogyakarta, Indonesia. This research was conducted in the rainy and dry seasons from August 2022 until January 2023. This research collects annual rainfall near the study area from the Meteorology, Climatology, and Geophysics Agency (BMKG) Yogyakarta station, monthly data collected from eighteen samples of groundwater station, and monthly data collected from fifteen samples of rainwater in the study area. The chemical content of groundwater and rainwater samples is analyzed using argentometry to obtain chloride concentration. The result of annual rainfall in the study area is 3,603.878 mm/year. The average chloride concentration in rainwater is 1.1 mg/L, while the average chloride concentration in groundwater is 8.015 mg/L. The CMB method calculation showed that the recharge in the study area ranges from 171.65 to 1,711.29 mm/year. The groundwater recharge has a positive correlation with elevation and rainfall. High groundwater recharge is also found in the northern area due to fractured lava aquifer.","PeriodicalId":44367,"journal":{"name":"International Journal of Advances in Engineering Sciences and Applied Mathematics","volume":"90 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":"135588088","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
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