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Analytical study of silane-based and wax-based additives on the interfacial bonding characteristics between natural rubber modified binder and different aggregate types

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Journal of Road Engineering 2023年第2期3卷 171-185页

作者： Ashiru Sani Mohd Rosli Mohd Hasan Khairul Anuar Shariff Najib Mukhtar mohammad nishat akhtar Ikenna D.Uwanuakwa Qingli Dai Tracy Leh Xin Wong School of Civil Engineering Universiti Sains MalaysiaNibong Tebal 14300Malaysia Department of Civil Engineering Kano University of Science and TechnologyKano 3244Nigeria School of Materials and Mineral Resources Engineering Universiti Sains MalaysiaNibong Tebal 14300Malaysia Department of Civil Engineering Bayero UniversityKano 700241Nigeria School of Aerospace Engineering Universiti Sains MalaysiaNibong Tebal 14300Malaysia Department of Civil Engineering Near East UniversityMersin 99138Turkey Department of Civil EnvironmentalAnd Geospatial EngineeringMichigan Technological UniversityHoughtonMI 49931USA

The modification of asphalt binder with natural rubber latex(NR)significantly improves the rutting and fatigue resistance of asphalt ***,NR-modified binder is prone to low workability and wettability due to its high ***,this research focuses on examining the influences of silane and wax-based additives on the wettability of natural rubber-modified binders and the binder-aggregates adhesion *** this study,experimental and analytical approaches were *** contact angles of asphalt binder were measured using a goniometer through the sessile drop method with three solvents:deionised water,formamide,and *** Cþþalgorithm was adopted to compute the surface free energy(SFE)elements of the asphalt *** methods were employed to analyse the results based on the Young-Dupre equation,followed by linear regression to establish a correlation between the compatibility ratio(CR)and the SFE *** results inferred that modified asphalt binders with additives possessed improved moisture resistance,wherein dry work adhesion values were less than 210 mJ/m^(2)under granite interfaces,whereas the limestone interface exhibited higher dry adhesion values of 340 mJ/m^(2)and *** performance results were observed under wet adhesion conditions;with granite wet adhesive values observed below 120 mJ/m^(2),while limestone wet adhesion values were ascertained below 180 mJ/m^(2)for all tested samples and *** to the spread–ability coefficient results,the limestone interface has greater spread-ability than granite ***,compatibility ratio values indicated better compatibility of 1.9 or higher for tested samples under granite interfaces,whereas compatibility values of 1.7 and below were observed under limestone interfaces.

关键词： Bitumen Compatibility ratio Fracture resistance Surface free energy Additiv

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Biological Control of Root-Knot Nematode Meloidogyne incognita in Psoralea corylifolia Plant by Enhancing the Biocontrol Efficacy of Trichoderma harzianum Using Press Mud

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Phyton-International Journal of Experimental Botany 2022年第8期91卷 1757-1777页

作者： Yasar nishat mohammad Danish Heba I.Mohamed Hisamuddin Shaikh Abeer Elhakem Section of Plant Pathology and Nematology Department of BotanyAligarh Muslim UniversityAligarh202002India Department of Biological and Geological Sciences Faculty of EducationAin Shams UniversityCairo11341Egypt Department of Biology College of Science and Humanities in Al-KharjPrince Sattam Bin Abdulaziz UniversityAl-Kharj11942Saudi Arabia

Meloidogyne incognita is a plant pathogen causing root-knot disease and loss of crop *** present study aimed to use Trichoderma harzianum as a biocontrol agent against plant-parasitic nematodes and used press mud,which is a solid waste by-product of sugarcane,as a biocontrol agent and ***,the combined application of *** and press mud may enhance nematode control and plant *** analysis of press mud using scanning electron microscopy(SEM)integrated with an Energy Dispersive X-ray(EDX)analyzer revealed the presence of different elements such as C,O,Mg,Si,P,K,Ca,Cu and *** addition,a greenhouse study was conducted to investigate the combined effects of press mud and *** on *** reproduction and growth and the biochemical features of Psoralea *** results showed that plant length,dry biomass,leaf area,the number of seeds per plant,chlorophyll a,chl b,carotenoid content,nitrate reductase,carbonic anhydrase,and nitrogen content were significantly increased(P≤0.05)in the T2 plants(plants were treated with 100 g of press mud+50 mL *** before one week of *** inoculation),over inoculated plants(IC).Antioxidant enzyme activity of ascorbate peroxidase(APX),catalase(CAT),peroxidase(POD),and superoxide dismutase(SOD)in the foliage of *** was significantly increased when plants were treated with press mud+***.A significant reduction in the number of egg masses,nematode population,and root-knot index(RKI)was found in plants with T2 *** results suggest that the combined application of *** and press mud has the potential to control the *** infection and can be used as an environmentally safe alternative to chemical nematicides and also help in the removal of sugarcane waste that causes environmental pollution.

关键词： Growth improvement antioxidant enzymes nitrate reductase carbonic anhydrase root-knot index

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A Novel Topology of Single-Phase AC-DC Integrated Boost-SEPIC (IBS) Converter Using Common Part Sharing Method (CPSM) for High Step-Up Applications

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Journal of Power and Energy Engineering 2018年第6期6卷 38-47页

作者： mohammad Bazlur Rashid mohammad Abdul Moin Oninda Fahim Faisal Mirza Muntasir nishat Golam Sarowar Md. Ashraful Hoque Department of Electrical and Electronic Engineering Islamic University of Technology Gazipur Bangladesh

A novel topology of Integrated Boost-SEPIC (IBS) AC-DC converter using common part sharing method (CPSM) has been proposed in this paper. Conventional boost converters with bridge rectifier configuration are inefficient due to limited voltage step-up ratio which may not be applicable for high step-up applications as in the case of micro generators. The proposed IBS topology is based on the common part sharing method capable of operating both for positive and negative half cycle of the input signal. Result and simulation were conducted using PSIM environment. The proposed AC-DC IBS topology eliminates the requirement of bridge rectifier achieving high efficiency (about 99%), improved power factor (0.75, leading) and lower THD (about 38.8%) which is within IEEE standard.

关键词： Integrated Boost-SEPIC (IBS) Bridgeless AC-DC Converter Voltage Gain THD Minimization Efficiency Improvement Power Factor Correction

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