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Impact of Tool Velocity Ratio on Welding Loads and Mechanical Properties in Friction Stir-Welded AA7075/AA2024 Plates. 刀具速度比对搅拌摩擦焊AA7075/AA2024板焊接载荷和力学性能的影响
The Scientific World Journal Pub Date : 2026-01-16 eCollection Date: 2026-01-01 DOI: 10.1155/tswj/6123056
Mutyala Rama Durga Rao, Bunga Kiran Kumar, Kiran Kumar Billa, Abhijit Bhowmik, N Ashok
{"title":"Impact of Tool Velocity Ratio on Welding Loads and Mechanical Properties in Friction Stir-Welded AA7075/AA2024 Plates.","authors":"Mutyala Rama Durga Rao, Bunga Kiran Kumar, Kiran Kumar Billa, Abhijit Bhowmik, N Ashok","doi":"10.1155/tswj/6123056","DOIUrl":"10.1155/tswj/6123056","url":null,"abstract":"<p><p>The emphasis on dissimilar joining of aluminum alloys has increased due to the growing need for lightweight, highly durable structures in the transportation and aerospace industries. For these applications, friction stir welding (FSW), a solid-state joining technology that offers better structural integrity than traditional fusion techniques, has proven very successful. The force-torque behavior and mechanical characteristics of friction stir welded dissimilar aluminum alloys, AA7075 and AA2024, with and without titanium diboride (TiB<sub>2</sub>) reinforcement, are investigated in this work in relation to the tool velocity ratio (<i>ω</i>/<i>v</i>). With a constant rotational speed of 1000 rpm and a 1.5° tilt angle, a cylindrical taper tool (3 mm tip, 6 mm length) was used. The traverse speeds were varied to 1, 2, 3, and 4 mm/s, yielding velocity ratios of 1000, 500, 333, and 250, respectively. To evaluate the impact of the TiB<sub>2</sub> powder on joint performance, it was injected via machined grooves at the faying surfaces. The microstructural improvement, primarily grain refinement through dynamic recrystallization and Zener pinning effects from TiB<sub>2</sub> particles, significantly enhanced the hardness and tensile strength of the welds. Enhanced particle dispersion and metallurgical bonding were responsible for the superior mechanical response. Because of better metallurgical bonding, grain refinement, and particle dispersion, reinforced welds demonstrated superior characteristics in microstructural, tensile, and hardness tests, particularly at higher velocity ratios (lower traverse speeds). At a velocity ratio of 1000 (1 mm/s), the reinforced samples showed the highest tensile strength (219.5 MPa), elongation (6.9%), and improved microhardness, resulting in peak joint performance. Conversely, unreinforced welds with coarser microstructures and worse mechanical properties were found at lower velocity ratios. These results provide practical advice for dissimilar alloy FSW applications in advanced engineering systems and validate that a high tool velocity ratio in conjunction with TiB<sub>2</sub> reinforcement is essential for maximizing weld integrity and mechanical behavior.</p>","PeriodicalId":22985,"journal":{"name":"The Scientific World Journal","volume":"2026 ","pages":"6123056"},"PeriodicalIF":0.0,"publicationDate":"2026-01-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12809051/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145998861","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Antioxidant, Antibacterial, and Antidiabetic Activities of Aleuritopteris bicolor From Nepal: A LC-MS, In Vitro, and In Silico Investigations to Establish Its Potential as a Therapeutic Candidate. 尼泊尔双色阿利托蕨的抗氧化、抗菌和抗糖尿病活性:LC-MS、体外和计算机研究以确定其作为治疗候选药物的潜力。
The Scientific World Journal Pub Date : 2026-01-14 eCollection Date: 2026-01-01 DOI: 10.1155/tswj/8851368
Rekha Bhandari, Shailendra Kumar Sharma, Peru Kumari Bishwakarma, Sadikshya Sapkota, Ram Kishor Yadav, Harish Babu P C, Sandesh Poudel, Sajan L Shyaula, Khem Raj Joshi
{"title":"Antioxidant, Antibacterial, and Antidiabetic Activities of <i>Aleuritopteris bicolor</i> From Nepal: A LC-MS, In Vitro, and In Silico Investigations to Establish Its Potential as a Therapeutic Candidate.","authors":"Rekha Bhandari, Shailendra Kumar Sharma, Peru Kumari Bishwakarma, Sadikshya Sapkota, Ram Kishor Yadav, Harish Babu P C, Sandesh Poudel, Sajan L Shyaula, Khem Raj Joshi","doi":"10.1155/tswj/8851368","DOIUrl":"10.1155/tswj/8851368","url":null,"abstract":"<p><p><i>Aleuritopteris bicolor</i> (Family: Pteridaceae; Nepalese name: Raani Sinka) is an edible fern native to Nepal, India, China, Bangladesh, Sri Lanka, and Pakistan. Ethnomedicinal practitioners from various ethnic tribes in Nepal have traditionally prescribed it to heal wounds, diarrhea, dysentery, and gastritis. However, scientific evidence supporting these efficacies remains limited until January 2025. In the present study, we aimed to validate these traditional uses through chemical, in vitro, and in silico analyses of the plant's hydroalcoholic extract. The 70% methanolic extract of the plant exhibited potent DPPH free radical scavenging activity with an IC<sub>50</sub> of 20.54 ± 4.4 <i>μ</i>g/mL. The extract also demonstrated potent and dose-dependent antibacterial activity against <i>Staphylococcus aureus</i> (zone of inhibition: 8-12 mm and minimum inhibitory concentration: 3125 <i>μ</i>g/mL), assessed using well diffusion and broth microdilution techniques. However, the plant extract was found to be a weak inhibitor of the enzyme alpha-amylase. Phytochemical analysis using LC-MS revealed the presence of chlorogenic acid, kumatakenin, quercetin 3-<i>O</i>-glucoside, and rhamnocitrin 3-<i>O</i>-glucoside; which, when docked against penicillin-binding protein's catalytic residues (SER 403, LYS 406, SER 462, ASN 464, and THR 600), showed binding energies ranging from -6.3 to -7.1 kcal/mol, suggesting prominent molecular interactions compared with meropenem antibiotics. Furthermore, kumatakenin satisfied Lipinski's parameters for drug-likeness, indicating its great potential as a drug candidate. The current study provides scientific evidence for the potent phytoconstituents with antioxidant and antibacterial potential of <i>A. bicolor</i> for the first time, highlighting its potential for topical application in treating bacterial infectious wounds.</p>","PeriodicalId":22985,"journal":{"name":"The Scientific World Journal","volume":"2026 ","pages":"8851368"},"PeriodicalIF":0.0,"publicationDate":"2026-01-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12800577/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145990674","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Predictive Modeling of Tourist Satisfaction Based on Service Marketing Mix Elements Using Machine Learning Techniques. 基于服务营销组合要素的游客满意度预测模型
The Scientific World Journal Pub Date : 2026-01-08 eCollection Date: 2026-01-01 DOI: 10.1155/tswj/6666970
Md Nazmul Hoque, Sumiya Nur Jannat, Yasin Arafat, Md Mamun Miah
{"title":"Predictive Modeling of Tourist Satisfaction Based on Service Marketing Mix Elements Using Machine Learning Techniques.","authors":"Md Nazmul Hoque, Sumiya Nur Jannat, Yasin Arafat, Md Mamun Miah","doi":"10.1155/tswj/6666970","DOIUrl":"10.1155/tswj/6666970","url":null,"abstract":"<p><p>This study examines the impact of the service marketing mix on tourist satisfaction and loyalty, focusing on Cox's Bazar, Bangladesh. Utilizing data collected from 500 respondents and analyzed through advanced statistical and machine learning techniques, the study provides key insights into the relationships between marketing mix elements and tourist satisfaction. The reliability of the constructs was assessed using Cronbach's alpha, all of which exceeded the acceptable threshold of 0.70, indicating strong internal consistency. Multicollinearity issues among predictors were resolved by aggregating closely related variables, reducing the variance inflation factor (VIF) to below 1.05. Principal component analysis (PCA) demonstrated that the first two components accounted for 97.88% of the variance, emphasizing the compactness of the data. Predictive modeling revealed that XGBoost outperformed other models with the lowest mean squared error (MSE = 0.10), root mean squared error (RMSE = 0.33), and mean absolute error (MAE = 0.25), alongside the highest <i>R</i>-squared value of 0.74. Feature importance analysis highlighted that the combined variable price_place_aggregated contributed most significantly (68.20%) to the model's predictions, followed by promotion and process. Cross-validation confirmed the robustness of the XGBoost model, with a cross-validated MSE of 0.1273 ± 0.0170. The findings underscore the critical role of pricing strategies and location in enhancing tourist satisfaction and loyalty. This research validates the stability and reliability of the model by integrating sensitivity analysis and learning curve evaluations. These findings offer pragmatic recommendations for policymakers and tourism stakeholders in Cox's Bazar to enhance their marketing strategies and enhance the entire tourist experience.</p>","PeriodicalId":22985,"journal":{"name":"The Scientific World Journal","volume":"2026 ","pages":"6666970"},"PeriodicalIF":0.0,"publicationDate":"2026-01-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12780743/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145952969","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
RETRACTION: "Knockdown of Zebrafish Blood Vessel Epicardial Substance Results in Incomplete Retinal Lamination". 撤回:“敲低斑马鱼血管心外膜物质导致视网膜层压不完全”。
The Scientific World Journal Pub Date : 2026-01-01 DOI: 10.1155/tswj/9768631
The Scientific World Journal
{"title":"RETRACTION: \"Knockdown of Zebrafish Blood Vessel Epicardial Substance Results in Incomplete Retinal Lamination\".","authors":"The Scientific World Journal","doi":"10.1155/tswj/9768631","DOIUrl":"10.1155/tswj/9768631","url":null,"abstract":"","PeriodicalId":22985,"journal":{"name":"The Scientific World Journal","volume":"2026 1","pages":"e9768631"},"PeriodicalIF":0.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13433832/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148670660","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of Calcium Nitrate and Magnesium Sulfate Concentrations on Fruit Quality and Physiological Disorders of Musang King Durian (Durio zibethinus Murr.) in the Mekong Delta, Vietnam. 硝酸钙和硫酸镁浓度对越南湄公河三角洲猫山王榴莲果实品质和生理失调的影响
The Scientific World Journal Pub Date : 2026-01-01 DOI: 10.1155/tswj/1153166
Nguyen Huynh Duong, Le Vinh Thuc
{"title":"Effects of Calcium Nitrate and Magnesium Sulfate Concentrations on Fruit Quality and Physiological Disorders of Musang King Durian (Durio zibethinus Murr.) in the Mekong Delta, Vietnam.","authors":"Nguyen Huynh Duong, Le Vinh Thuc","doi":"10.1155/tswj/1153166","DOIUrl":"10.1155/tswj/1153166","url":null,"abstract":"<p><p>This study is aimed at determining the optimal foliar application concentrations of calcium nitrate in combination with magnesium sulfate during the fruit development stage in relation to physiological disorders in 7-year-old Musang King durian. The experiment was conducted in the Mekong Delta, Vietnam, from November 2024 to April 2025. The experiment was arranged in a two-factor completely randomized block design. The first factor consisted of four Ca(NO<sub>3</sub>)<sub>2</sub> concentrations (0%, 0.2%, 0.4%, and 0.6%), applied at 40 DAFS, whereas the second factor included four MgSO<sub>4</sub> concentrations (0%, 0.2%, 0.4%, and 0.6%), applied at 50 DAFS. Each treatment was replicated four times, with one tree per replication. Spraying Ca(NO<sub>3</sub>)<sub>2</sub> at a concentration of 0.2%-0.6% increased yield by 4.4%-9.4%. Different concentrations of MgSO<sub>4</sub> did not significantly affect yield. Foliar application of 0.4% Ca(NO<sub>3</sub>)<sub>2</sub> combined with 0.2%-0.4% MgSO<sub>4</sub> did not induce physiological disorders. During the period from fruit development to harvest, nutrient management for Musang King durian can be divided into three soil-applied NPK fertilization events and two foliar applications of Ca(NO<sub>3</sub>)<sub>2</sub> and MgSO<sub>4</sub> to mitigate physiological disorders. NPK fertilizer should be applied at a rate of 0.75 kg tree<sup>-1</sup> per application, with an N:P:K ratio of 2:1:1 at 30 days after fruit set, 2:1:3 at 45 days after fruit set, and 1:1:3 at 60 days after fruit set, in combination with foliar application of 0.4% Ca(NO<sub>3</sub>)<sub>2</sub> at 40 days after fruit set and 0.2% MgSO<sub>4</sub> at 50 days after fruit set.</p>","PeriodicalId":22985,"journal":{"name":"The Scientific World Journal","volume":"2026 1","pages":"e1153166"},"PeriodicalIF":0.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13424451/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148631470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sustainable Control of Carbon Emissions and Energy Consumption Through a Green Data Center Approach. 通过绿色数据中心方法实现碳排放和能源消耗的可持续控制。
The Scientific World Journal Pub Date : 2026-01-01 DOI: 10.1155/tswj/1158756
Yasir Afzal, Naila Nawaz, Abdullah Ayub Khan, Muhammad Jawad Yousaf, Muhammad Zohaib Khan, Erssa Arif, Muqaddas Salahuddin, Mohamad Afendee Mohamed, Sajid Ullah
{"title":"Sustainable Control of Carbon Emissions and Energy Consumption Through a Green Data Center Approach.","authors":"Yasir Afzal, Naila Nawaz, Abdullah Ayub Khan, Muhammad Jawad Yousaf, Muhammad Zohaib Khan, Erssa Arif, Muqaddas Salahuddin, Mohamad Afendee Mohamed, Sajid Ullah","doi":"10.1155/tswj/1158756","DOIUrl":"10.1155/tswj/1158756","url":null,"abstract":"<p><p>Data center management, the foundation of contemporary cloud computing, has made energy saving a top priority. Among other difficulties, the placement of virtual machines (VMs) has a major impact on data center resource and energy usage. Assigning VMs to physical machines (PMs) is a challenging NP-hard problem, especially in large-scale infrastructures where it is computationally infeasible to find an ideal solution. To solve the VM placement problem, the proposed study formulates it as a restricted optimization problem with the goal of preserving performance while lowering energy consumption. The explosive growth of data centers has resulted in higher energy consumption and higher carbon dioxide (CO<sub>2</sub>) emissions, which are a primary cause of climate change. Globally, governments, energy-focused organizations, and business executives have taken notice of this expanding environmental impact. This study provides a comprehensive analysis of data center energy consumption patterns, environmental effects, and trends in energy consumption. It also suggests doable energy-saving measures, such as installing energy-efficient infrastructure and upgrading air conditioning systems. The paper also presents an improved genetic algorithm-based method that is tailored for energy-conscious VM deployment, successfully striking a balance between computing economy and convergence accuracy. The suggested solution highly increased data centers' energy efficiency by incorporating this strategy within a profile-based virtual resource management model. Additionally, policy suggestions for sustainable data center management are delineated, advancing the more general objective of ecologically conscious cloud computing. Experimental results demonstrate that the proposed method achieves up to 50% reduction in execution time, 48% fewer generations for convergence, and approximately 7% reduction in energy consumption compared to traditional first fit decreasing (FFD) methods. Additionally, the integration of task classification improves energy efficiency by up to 15% and reduces the number of active PMs. These findings highlight the effectiveness of the proposed framework in enabling scalable, energy-efficient, and environmentally sustainable cloud data center management.</p>","PeriodicalId":22985,"journal":{"name":"The Scientific World Journal","volume":"2026 1","pages":"e1158756"},"PeriodicalIF":0.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13191827/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147983320","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Projected Impacts of Climate and Land Use/Land Cover Change on Sediment Yield and Surface Runoff in the Baro River Sub-Basin, Ethiopia. 气候和土地利用/土地覆盖变化对巴罗河次流域产沙量和地表径流的预估影响
The Scientific World Journal Pub Date : 2026-01-01 DOI: 10.1155/tswj/7891262
Tewodros Getu Engida, Alemayehu Muluneh, Moltot Zewdie
{"title":"Projected Impacts of Climate and Land Use/Land Cover Change on Sediment Yield and Surface Runoff in the Baro River Sub-Basin, Ethiopia.","authors":"Tewodros Getu Engida, Alemayehu Muluneh, Moltot Zewdie","doi":"10.1155/tswj/7891262","DOIUrl":"10.1155/tswj/7891262","url":null,"abstract":"<p><p>Understanding how climate change and land use/land cover (LULC) dynamics influence watershed hydrological processes is essential for achieving sustainable water and land management, particularly in data-scarce and erosion-prone basins. This study assesses the individual and synergistic effects of CMIP6-based climate projections and LULC change on sediment yield and surface runoff in the Baro River sub-basin. Utilizing a comprehensive hydrological modeling framework, this study integrates the Soil and Water Assessment Tool (SWAT) with CMIP6 multi-model ensemble climate projections under SSP2-4.5 and SSP5-8.5 scenarios to simulate runoff in addition to sediment yield. We projected future LULC dynamics (2024-2064) using a multi-layer perceptron-cellular automata-Markov chain (MLP-CA-MC) model. Results indicate statistically significant warming in both historical and future periods, with mean temperature increases of up to 3.4°C under SSP5-8.5, alongside precipitation increases of 6%-13%. LULC projections (2024-2064) indicate an 18%-26% increase in agricultural and settlement areas at the expense of forest, grassland, and shrubland. The SWAT model demonstrated high predictive accuracy; Nash-Sutcliffe efficiency (NSE) values remained strong across both calibration (runoff: > 0.87; sediment: > 0.76) and validation (runoff: 0.84; sediment: 0.73). Projected sediment yield increases from a 2024 baseline of 49.23 t/ha to as high as 157.68 t/ha over the late period (2072-2100) under the SSP5-8.5 scenario with 2064 land use conditions. Similarly, surface runoff is expected to peak at 966.58 mm under high-emission conditions. These results highlight the critical sensitivity of the Baro River sub-basin to both climate variability and anthropogenic land degradation, underscoring the urgent need for integrated watershed management to mitigate downstream sedimentation and ensure the sustainability of water infrastructure.</p>","PeriodicalId":22985,"journal":{"name":"The Scientific World Journal","volume":"2026 1","pages":"e7891262"},"PeriodicalIF":0.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13291725/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148309456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Reduction of Hydrogen Cyanide in Cassava Peel With Sodium Bicarbonate and Heating Using a Stirrer Chamber Unit. 用碳酸氢钠还原木薯皮中的氰化氢并使用搅拌器加热。
The Scientific World Journal Pub Date : 2026-01-01 DOI: 10.1155/tswj/6132952
Narwati, Setiawan, Suryono Hadi
{"title":"Reduction of Hydrogen Cyanide in Cassava Peel With Sodium Bicarbonate and Heating Using a Stirrer Chamber Unit.","authors":"Narwati, Setiawan, Suryono Hadi","doi":"10.1155/tswj/6132952","DOIUrl":"10.1155/tswj/6132952","url":null,"abstract":"<p><p>Cassava peel, a by-product of cassava root processing, can be used as food if processed properly. It is important to note that the high-cyanogenic glycoside content in cassava plants has the potential to produce hydrogen cyanide (HCN), which has been proven to cause health problems. Therefore, it would be beneficial to consider a method that could help reduce HCN levels. This study explored the impact of sodium bicarbonate (NaHCO<sub>3</sub>) and heating on the HCN of cassava peel during the initial stage of food processing. This study is experimental in nature, as a follow-up to previous research. The cassava tuber skin was separated from the outer layer with care, then washed thoroughly and sliced 2 mm thick. The experiment was conducted on 20 g of cassava peel, with the addition of 30 g and 60 g of NaHCO<sub>3</sub>, and a heating temperature of 55°C for 15 min of exposure. The results showed that the group of cassava peel samples with a dose of 60 g of NaHCO3 heated at a temperature of 55°C showed the lowest HCN content, namely 0.193 ± 0.015 mg/100 g from the initial HCN of cassava peel of 1.6024 mg/100 g. This indicates a reduction of 1.409 (87.9%), which is a significant finding. In conclusion, it appears that a combination of NaHCO<sub>3</sub> and heating at 55°C could be considered as a method to reduce HCN levels in the preprocessing stage of cassava peel.</p>","PeriodicalId":22985,"journal":{"name":"The Scientific World Journal","volume":"2026 1","pages":"e6132952"},"PeriodicalIF":0.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13092713/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147723731","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
RETRACTION: "Sublethal Heavy Metal Stress Stimulates Innate Immunity in Tomato". 撤回:“亚致死重金属胁迫刺激番茄的先天免疫”。
The Scientific World Journal Pub Date : 2026-01-01 DOI: 10.1155/tswj/9874191
The Scientific World Journal
{"title":"RETRACTION: \"Sublethal Heavy Metal Stress Stimulates Innate Immunity in Tomato\".","authors":"The Scientific World Journal","doi":"10.1155/tswj/9874191","DOIUrl":"https://doi.org/10.1155/tswj/9874191","url":null,"abstract":"","PeriodicalId":22985,"journal":{"name":"The Scientific World Journal","volume":"2026 1","pages":"e9874191"},"PeriodicalIF":0.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13485332/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148797487","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Applied Research on the Effect of Risks on Public Health Building Projects' Performance: Empirical Results From Tanzania. 风险对公共卫生建设项目绩效影响的应用研究:来自坦桑尼亚的实证结果。
The Scientific World Journal Pub Date : 2026-01-01 DOI: 10.1155/tswj/2617627
Ismail W R Taifa, Kimy Suphian Massasi
{"title":"Applied Research on the Effect of Risks on Public Health Building Projects' Performance: Empirical Results From Tanzania.","authors":"Ismail W R Taifa, Kimy Suphian Massasi","doi":"10.1155/tswj/2617627","DOIUrl":"10.1155/tswj/2617627","url":null,"abstract":"<p><p>Public health building projects encounter several risks throughout the project phases. Using a quantitative research approach, the study assessed risks, the effects of risks encountered in public health building projects and proposed risk management practices to enhance project performance. Fifty-six projects were involved in the present study. SPSS 21.0 and Microsoft Excel 2021 were used to analyse data, including regression analysis, linearity test, and risk heat map development. The overall Cronbach's alpha for the collected data was 0.809, indicating that the data were reliable. The findings show that most risks were at a low level, leaving fewer at the medium level, including the contractor's delay in cash flow, price fluctuations due to inflation and pollution from construction waste. The risk heat map visualised all risks by indicating each identified risk's severity (impact) and likelihood (occurrence). Furthermore, the regression model for the effect of the assessed risks on the performance of public health-buildings showed that there was a negative effect on the performance for all the measured risks (technological risks, financial risks, design risks, client or owner risks, management risks, construction risks, political risks, environmental risks, procurement risks and other risks). However, for the significance of those effects, the analysis demonstrated greater significance (i.e., p < 0.001) for two categories of risk: financial risks and client/owners' risks. Subsequently, there was a significant effect on the performance of public health building projects from the other six categories of risks (technological risks [p = 0.041], design risks (p = 0.031), management risks (p = 0.012), construction risks (p = 0.024), environmental risks (p = 0.049) and procurement risks (p = 0.047). The effects and significance of the risk categories on each public building project performance indicator (cost, schedule and time) are presented using unstandardised beta coefficients and p values. In conclusion, the study has demonstrated that, despite the many risks and risk factors analysed in public health projects being rated at low to medium levels, they still exert a statistically significant negative influence on project performance-particularly financial and client-related risks-therefore necessitating continuous monitoring and proactive management. The adoption of structured and adaptive risk management practices is therefore essential to mitigate potential impacts and enhance project outcomes in terms of cost, time and quality.</p>","PeriodicalId":22985,"journal":{"name":"The Scientific World Journal","volume":"2026 1","pages":"e2617627"},"PeriodicalIF":0.0,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13307198/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148340385","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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