ADVANCES IN BASIC SCIENCE (ICABS 2019)最新文献

{"title":"Preparation condition, composition and post-preparation thermal treatment assisted control of structural and magnetic properties of spinel nano ferrites","authors":"S. Kane, R. Verma, P. Tiwari, F. Mazaleyrat","doi":"10.1063/1.5122326","DOIUrl":"https://doi.org/10.1063/1.5122326","url":null,"abstract":"Study of ferrites has always been a topic of immense significance from the point of view of their magnetic applications, including their usage in high frequency devices, microwave devices, bioscience. For the same, there is a need to understand magnetic properties, and their correlation with structural properties, to be able to have a suitable material for a specific application. This article reviews various spinel ferrite systems in the framework of a specific synthesis protocol (with variable synthesis parameters, including microwave assisted green synthesis etc.), a precise composition (with possibilities for its modification), and usage of post-preparation thermal treatment (e. g. - conventional furnace annealing, microwave sintering, park plasma sintering, ion irradiation etc.). Complimentary information on structural (by x-ray diffraction ‘XRD’); magnetic (by vibration sample magnetometer ‘VSM’) properties as well are described. Representative examples of ferrite nano particles are also given, depicting the effect of composition, synthesis protocol, and post-preparation treatment (including an overview of various spinel nanoparticles in tabular form), showing modification of structural, magnetic properties, correlation between them is illustrated.Study of ferrites has always been a topic of immense significance from the point of view of their magnetic applications, including their usage in high frequency devices, microwave devices, bioscience. For the same, there is a need to understand magnetic properties, and their correlation with structural properties, to be able to have a suitable material for a specific application. This article reviews various spinel ferrite systems in the framework of a specific synthesis protocol (with variable synthesis parameters, including microwave assisted green synthesis etc.), a precise composition (with possibilities for its modification), and usage of post-preparation thermal treatment (e. g. - conventional furnace annealing, microwave sintering, park plasma sintering, ion irradiation etc.). Complimentary information on structural (by x-ray diffraction ‘XRD’); magnetic (by vibration sample magnetometer ‘VSM’) properties as well are described. Representative examples of ferrite nano particles are also given, depic...","PeriodicalId":7262,"journal":{"name":"ADVANCES IN BASIC SCIENCE (ICABS 2019)","volume":"17 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"87997542","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}

{"title":"Adsorption of Na atom on mono-layer gallenene","authors":"Mohammad Ubaid, A. Aziz, B. Pujari","doi":"10.1063/1.5122481","DOIUrl":"https://doi.org/10.1063/1.5122481","url":null,"abstract":"Gallenene (Ga100), a Ga-based 2D material, is a new member of nanomaterial family. Based on the density functional theory (DFT), we studied the adsorption energy, geometry, charge analysis and electronic structure of Na adatom on mono-layer Ga100. Na is an s valence alkali metal. We find the Na atom invoke an affluent diversity of structural, energetic and electronic properties. Our work demonstrates that Ga100 forms the strong bonds with Na atom. The adsorption energy of Na atom on Ga100 is more than on graphene. These results indicate that Na adsorbed Ga100 can be a promising material in the 2D family.Gallenene (Ga100), a Ga-based 2D material, is a new member of nanomaterial family. Based on the density functional theory (DFT), we studied the adsorption energy, geometry, charge analysis and electronic structure of Na adatom on mono-layer Ga100. Na is an s valence alkali metal. We find the Na atom invoke an affluent diversity of structural, energetic and electronic properties. Our work demonstrates that Ga100 forms the strong bonds with Na atom. The adsorption energy of Na atom on Ga100 is more than on graphene. These results indicate that Na adsorbed Ga100 can be a promising material in the 2D family.","PeriodicalId":7262,"journal":{"name":"ADVANCES IN BASIC SCIENCE (ICABS 2019)","volume":"91 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91169854","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}

{"title":"Mining of data through various soft computing techniques","authors":"D. Srivastava, Rajeshwar Singh, Vikram Singh","doi":"10.1063/1.5122549","DOIUrl":"https://doi.org/10.1063/1.5122549","url":null,"abstract":"We experience a daily reality such that we can be overpowered with data; in this manner it has turned out to be progressively critical to separate pertinent data from the unstable measure of information for. Information Mining is the iterative and intuitive procedure of finding substantial, novel, valuable, and justifiable examples or models in gigantic databases. Information Mining implies looking for important data in extensive volumes of information, utilizing investigation and examination, via programmed or self-loader implies, of expansive amounts of information so as to find significant examples and standards. Soft Computing (SC) alludes to methods of figuring in which accuracy is exchanged for tractability, heartiness and simplicity of usage. For the most part, SC encompasses the technologies of fuzzy logic, genetic algorithms, and neural networks, and it has emerged as an effective tool for dealing with data mining, control, modeling, and decision problems in complex systems. This is a review of the role of various soft-computing tools for different data mining tasks.We experience a daily reality such that we can be overpowered with data; in this manner it has turned out to be progressively critical to separate pertinent data from the unstable measure of information for. Information Mining is the iterative and intuitive procedure of finding substantial, novel, valuable, and justifiable examples or models in gigantic databases. Information Mining implies looking for important data in extensive volumes of information, utilizing investigation and examination, via programmed or self-loader implies, of expansive amounts of information so as to find significant examples and standards. Soft Computing (SC) alludes to methods of figuring in which accuracy is exchanged for tractability, heartiness and simplicity of usage. For the most part, SC encompasses the technologies of fuzzy logic, genetic algorithms, and neural networks, and it has emerged as an effective tool for dealing with data mining, control, modeling, and decision problems in complex systems. This is a review of t...","PeriodicalId":7262,"journal":{"name":"ADVANCES IN BASIC SCIENCE (ICABS 2019)","volume":"22 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84706377","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}

{"title":"Investigation of structural, magnetic and dielectric properties of Mo-doped ZnCu2Nb2O8","authors":"K. Roy, K. C. Kharkwal, A. Pramanik","doi":"10.1063/1.5122449","DOIUrl":"https://doi.org/10.1063/1.5122449","url":null,"abstract":"We have studied structural,magnetic and dielectric properties of Mo-doped ZnCu2Nb2O8 with Mo replacing Nb ion. Here we have prepared polycrystalline samples ZnCu2(Nb1-x Mox)2O8 with x=0.0 and 0.1. X-ray powder diffraction and allied Rietveldrefinement analysis have been used to analyze the structure of the samples. The ZnCu2Nb2O8 shows paramagnetic behavior in whole temperature range. In ZnCu2Nb2O8, Nb+2(S=0) is a non-magnetic site, we have tried to tune the non-magnetic site with magnetic Mo+2(S=1/2). With Mo substitution at Nb-site, magnetic moment decreases and the system remainin paramagnetic state in whole temperature range. Effect of Mo doping shows a structural change in lattice parameters while there is no change in electrical properties as well as in magnetic properties. Frequency dependent dielectric measurement has been done at room temperature.We have studied structural,magnetic and dielectric properties of Mo-doped ZnCu2Nb2O8 with Mo replacing Nb ion. Here we have prepared polycrystalline samples ZnCu2(Nb1-x Mox)2O8 with x=0.0 and 0.1. X-ray powder diffraction and allied Rietveldrefinement analysis have been used to analyze the structure of the samples. The ZnCu2Nb2O8 shows paramagnetic behavior in whole temperature range. In ZnCu2Nb2O8, Nb+2(S=0) is a non-magnetic site, we have tried to tune the non-magnetic site with magnetic Mo+2(S=1/2). With Mo substitution at Nb-site, magnetic moment decreases and the system remainin paramagnetic state in whole temperature range. Effect of Mo doping shows a structural change in lattice parameters while there is no change in electrical properties as well as in magnetic properties. Frequency dependent dielectric measurement has been done at room temperature.","PeriodicalId":7262,"journal":{"name":"ADVANCES IN BASIC SCIENCE (ICABS 2019)","volume":"160 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85408183","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}

{"title":"Comparison of chemical characterises of crude and refined edible vegetable oils","authors":"A. Roshni","doi":"10.1063/1.5122391","DOIUrl":"https://doi.org/10.1063/1.5122391","url":null,"abstract":"The present study was undertaken to compare the chemical characterises of crude and refined edible vegetable oils viz. cotton, flaxseed, groundnut, soybean and mustard. The seeds were collected from farmer’s field at Hisar, Haryana and grounded to powder. Oil was extracted by Soxhlet method using petroleum ether (60-80°C) for 8 h. Solvent extraction processes include basically three steps: preparation, extraction, and desolventizing. Refining of oils was done by chemical method in different steps: degumming, neutralization, bleaching and deodorizing. Samples were studied for oxidative quality indices viz. free fatty acid, peroxide value, p-anisidine value, total oxidation value, conjugated dienes, carotenoid, total tocopherol, thiobarbituric acid value and fatty acid composition. Free fatty acid ranged from 0.9 to 3.49 (% as oleic acid) for crude oils and from 0.3 to 1.98 (% as oleic acid) for refined oils. Peroxide value ranged from 1.26 to 3.4 (meq/kg) for crude oils and for refined oil range was 0.92 t...","PeriodicalId":7262,"journal":{"name":"ADVANCES IN BASIC SCIENCE (ICABS 2019)","volume":"11 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"85196599","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}

{"title":"Triplet-wise computational analysis of recombinant triplex formed by LNA-TFO","authors":"V. Mall, R. P. Ojha, Vishnudatt Pandey, R. Tiwari","doi":"10.1063/1.5122639","DOIUrl":"https://doi.org/10.1063/1.5122639","url":null,"abstract":"Triplex is short time vital structures of nucleic acidsformed in many biological processes. The study of triplex structure not only limited to explanation of vital processes but also extended up to its usefulness as biotechnical tools, gene-engineering and bio-nanotechnology. Such enormous application of triplex structure demands TFO(triplex-forming oligonucleotides) with greater binding affinity and stability. In this respect modification in oligonucleotides as LNA(Locked Nucleic Acids), locked sugar in RNA like C3’-endo conformation as RNA form more stable triplex but its application limited in biological environment due to blood clearance. Thus, here in this study, a 15-mer triplex was designed and molecular dynamics of 50ns run to see stability during simulation and QM/MM was done for triplet wise decomposition energy analysis with PM3 and PM6 methodology. The result of study exhibits that LNA triplets play essential role in the form of triplet and binds with greater affinity.Triplex is short time vital structures of nucleic acidsformed in many biological processes. The study of triplex structure not only limited to explanation of vital processes but also extended up to its usefulness as biotechnical tools, gene-engineering and bio-nanotechnology. Such enormous application of triplex structure demands TFO(triplex-forming oligonucleotides) with greater binding affinity and stability. In this respect modification in oligonucleotides as LNA(Locked Nucleic Acids), locked sugar in RNA like C3’-endo conformation as RNA form more stable triplex but its application limited in biological environment due to blood clearance. Thus, here in this study, a 15-mer triplex was designed and molecular dynamics of 50ns run to see stability during simulation and QM/MM was done for triplet wise decomposition energy analysis with PM3 and PM6 methodology. The result of study exhibits that LNA triplets play essential role in the form of triplet and binds with greater affinity.","PeriodicalId":7262,"journal":{"name":"ADVANCES IN BASIC SCIENCE (ICABS 2019)","volume":"1 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90286556","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}

{"title":"Persistence and dissipation of ready pre-mix formulation (novaluron + indoxacarb) in/on tomato (Lycopersicon esculentum Mill.) and its leaching in soil","authors":"Anita, V. Madan","doi":"10.1063/1.5122390","DOIUrl":"https://doi.org/10.1063/1.5122390","url":null,"abstract":"A field experiment was conducted to study the persistence behaviour in tomato fruits and soil underneath and effect of processing on the reduction of residues of ready pre-mix formulation (Novaluron 5.25% + Indoxacarb 4.5% SC). Samples of tomato fruits and soil were collected periodically on 0 (1h), 1, 3, 5, 7, 10 and 15 days after applications. Residues were estimated by gas chromatography (GC) equipped with capillary column and electron capture detector (ECD). Per cent recoveries at the fortification levels of 0.01, 0.10 and 0.25 mg kg−1 in tomato fruits and at 0.01 and 0.05 mg kg−1 in soil were in the range of 82-94 per cent depicting validity of methods used for present studies. Limit of detection was 0.005 mg kg−1. Dissipation in tomato fruits followed first order kinetics with half life period from 1.40 - 2.48 days at both the doses of novaluron as well as indoxacarb. Residues decreased substantially during household processing among which peeling was found most effective which resulted 80-89 % reduction. For sandy loam soil under tomato crop, half-life period was found to be in the range of 0.63 to 2.17 days at single and double doses, respectively, for both novaluron as well as indoxacarb following first order kinetics. In leaching experiment carried out under laboratory conditions, 55 - 60% retention of novaluron and 70 - 75% retention of indoxacarb were observed up to 10 cm soil in both the doses, showing their very less mobility in soil. Residues were not detected after 40 cm depth of soil in both the doses. Since, residues of novaluron and indoxacarb were not detected in any of the leachate fractions of soil, hence, these may be safe for soil and ground water contamination.A field experiment was conducted to study the persistence behaviour in tomato fruits and soil underneath and effect of processing on the reduction of residues of ready pre-mix formulation (Novaluron 5.25% + Indoxacarb 4.5% SC). Samples of tomato fruits and soil were collected periodically on 0 (1h), 1, 3, 5, 7, 10 and 15 days after applications. Residues were estimated by gas chromatography (GC) equipped with capillary column and electron capture detector (ECD). Per cent recoveries at the fortification levels of 0.01, 0.10 and 0.25 mg kg−1 in tomato fruits and at 0.01 and 0.05 mg kg−1 in soil were in the range of 82-94 per cent depicting validity of methods used for present studies. Limit of detection was 0.005 mg kg−1. Dissipation in tomato fruits followed first order kinetics with half life period from 1.40 - 2.48 days at both the doses of novaluron as well as indoxacarb. Residues decreased substantially during household processing among which peeling was found most effective which resulted 80-89 % redu...","PeriodicalId":7262,"journal":{"name":"ADVANCES IN BASIC SCIENCE (ICABS 2019)","volume":"36 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81379814","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}

{"title":"A study on degree of approximation of a function belonging to weighted W(Lr, ξ(t)) class by product summability of Fourier series","authors":"K. Sharma, S. Malik","doi":"10.1063/1.5122607","DOIUrl":"https://doi.org/10.1063/1.5122607","url":null,"abstract":"In the present paper, a known theorem of Nigam and Sharma (2011) dealing with the degree of approximation of a function belonging to Lip(ξ(t),r)-class by (N, p, q)(E,1) product summability of Fourier series has been generalized for the weighted W(Lr, ξ(t)) -class. Our result is in more general form of the theorem of Nigam and Sharma (2011).In the present paper, a known theorem of Nigam and Sharma (2011) dealing with the degree of approximation of a function belonging to Lip(ξ(t),r)-class by (N, p, q)(E,1) product summability of Fourier series has been generalized for the weighted W(Lr, ξ(t)) -class. Our result is in more general form of the theorem of Nigam and Sharma (2011).","PeriodicalId":7262,"journal":{"name":"ADVANCES IN BASIC SCIENCE (ICABS 2019)","volume":"60 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"90876767","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}

{"title":"Time-space pseudospectral algorithm for numerical solution of Sine/Klein-Gordon equations","authors":"A. K. Mittal, L. Balyan","doi":"10.1063/1.5122610","DOIUrl":"https://doi.org/10.1063/1.5122610","url":null,"abstract":"In this research article, we present spectrally accurate time-space pseudospectral method to approximate the solution of one-dimensional Sine/Klein-Gordon equations. The proposed method is implemen...","PeriodicalId":7262,"journal":{"name":"ADVANCES IN BASIC SCIENCE (ICABS 2019)","volume":"7 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81476670","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}

{"title":"Non-linear optical properties of SiO2 modified Bi2O3-TeO2-B2O3 glass system","authors":"Neelam Berwal, N. Ahlawat, D. Mohan, R. Punia, N. Kishore","doi":"10.1063/1.5122538","DOIUrl":"https://doi.org/10.1063/1.5122538","url":null,"abstract":"In present study, quaternary bismuth borosilicate tellurite glass system with compositions x SiO2-(80-x) Bi2O3-15 B2O3-5TeO2 (x = 0, 5, 10 and 15) has been successfully prepared by melt-quenching technique. The linear refractive index (n0) of prepared glass samples has been observed to decrease with increase in SiO2 content. Third order nonlinear optical properties viz. nonlinear refractive index (n2) and nonlinear absorption coefficient (β) have been estimated by fitting of experimentally observed closed and open aperture Z-scan measurements with theoretical models and found to be dependent on amount of silicate content in studied glass compositions. The third order nonlinear susceptibility (χ(3)) including real and imaginary parts have also been calculated.","PeriodicalId":7262,"journal":{"name":"ADVANCES IN BASIC SCIENCE (ICABS 2019)","volume":"19 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2019-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81620353","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}