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 National Academy Science LettersJournal Prestige (SJR): 0.189 Citation Impact (citeScore): 1Number of Followers: 5      Hybrid journal (It can contain Open Access articles) ISSN (Print) 0250-541X - ISSN (Online) 2250-1754 Published by Springer-Verlag  [2352 journals]
• Seed Quality and Storage of Wheat ( Triticum aestivum L.) as Influenced by
Basal and Foliar Application of Nitrogen
• Authors: Shyamashree Roy; Omvati Verma
Pages: 337 - 340
Abstract: A field experiment was conducted at N.E. Borlaug Crop Research Centre of G.B. Pant University of Agriculture and Technology, Pantnagar, U.S. Nagar (Uttarakhand) to study the seed quality and storability of wheat (Triticum aestivum L.) as influenced by soil and foliar application of nitrogen. Among seed quality parameters protein, wet gluten and sedimentation value showed significant increase due to increase in nitrogen rates whereas, starch and hectolitre weight had a decreasing trend. Also foliar urea spray significantly influenced these seed quality parameters. Seedling length and seedling vigour index differed significantly with basal application of nitrogen at the time of initial storage and after 2 months of storage.
PubDate: 2018-12-01
DOI: 10.1007/s40009-018-0688-0
Issue No: Vol. 41, No. 6 (2018)

• Invasive Hypogeic Mealybug, Formicococcus polysperes Williams (Hemiptera:
Pseudococcidae) on Turmeric ( Curcuma longa Linnaeus): A New Host Record
• Authors: D. M. Firake; S. Joshi; J. J. Rajappa; G. T. Behere
Pages: 341 - 343
Abstract: The turmeric, Cucurma longa Linnaeus (Zingiberaceae) is one of the most important commercial spice crop grown in different parts of India including Meghalaya state. Invasive hypogeic mealybug, Formicococcus polysperes Williams (Hemiptera: Pseudococcidae) is reported for the first time infesting rhizomes of turmeric under field conditions. Information on basic biological attributes on two important hosts and field infestation of F. polysperes on turmeric is reported and discussed. In laboratory conditions, female F. polysperes completed life cycle in 56.33 ± 6.64 and 50.67 ± 4.91 days on ginger (Zingiber officinale Roscoe) and Cucurma longa Linnaeus, respectively. Although, considerable yield losses were not observed due to infestation of F. polysperes on turmeric, studies on chemical composition especially ‘curcumin content’ of infested and healthy turmeric rhizomes would be essential in future to know the indirect losses due to F. polysperes.
PubDate: 2018-12-01
DOI: 10.1007/s40009-018-0692-4
Issue No: Vol. 41, No. 6 (2018)

• Age, Growth and Age Pyramid of Exotic Fish Species Oreochromis niloticus
(Linnaeus 1758) from the Lower Stretch of the Yamuna River, India
• Authors: Priyanka Mayank; Amitabh Chandra Dwivedi; Ravindra Kumar Pathak
Pages: 345 - 348
Abstract: Random samples were collected monthly from August 2011 to July 2012 for determination of age, growth and age pyramid of Oreochromis niloticus from the Yamuna river, India. Age of O. niloticus varied from 0+ to 6+ age groups. It was observed that the fish attained the mean length (pooled samples) 16.96, 24.33, 31.12, 36.44, 40.54 and 43.50 in 1+ to 6+ age group, respectively. The growth increment in O. niloticus was recorded 16.96, 7.37, 6.79, 5.32, 4.10 and 2.86 for 1+ to 6+ age groups, respectively. It is obvious from the present observations the aquatic environment of the Yamuna river at Allahabad was favorable to O. niloticus, and for the reason growth was good. The urn shaped age pyramid was recorded.
PubDate: 2018-12-01
DOI: 10.1007/s40009-018-0673-7
Issue No: Vol. 41, No. 6 (2018)

• Blood Flow in a Radially Non Symmetric Stenosed Artery Under Slip Effect
Through Porous Medium
• Authors: Amit Bhatnagar; Vijay Kumar; R. K. Shrivastav
Pages: 349 - 353
Abstract: A mathematical model is developed to analyze the non-Newtonian flow of blood in an axially symmetric but radially non symmetric stenosed artery through porous medium in the presence of slip velocity. Blood is modeled as Casson fluid to characterize the non-Newtonian behaviour. Flow characteristics like axial velocity, flow rate and impedance are expressed analytically. These expressions show remarkable variations in flow of blood through constricted artery. The effects of porosity, slip velocity and stenosis shape on the various flow characteristics have been examined and shown graphically. These results are in good agreement with the experimental findings existing in the literature and can aid medical practitioner to treat cardiovascular diseases.
PubDate: 2018-12-01
DOI: 10.1007/s40009-018-0677-3
Issue No: Vol. 41, No. 6 (2018)

• Structural Elucidation and Antioxidant Activity of Ethyl Gallate Isolated
from Acacia nilotica (L.) Wild. ex. Delile subsp. indica (Benth.) Brenan
• Authors: Thiagarajan Kalaivani; Chandrasekaran Rajasekaran; Mohan Shalini; V. Vijayakumar; Devi Prasad Pandey; Lazar Mathew
Pages: 355 - 359
Abstract: A. nilotica (L.) leaf extract was subjected to fractional extraction to isolate potential antioxidant compound ethyl gallate. A. nilotica (L.) leaf extract was fractionated with different solvents and was investigated for antioxidant activity. Based on the results, the pure compound obtained from Fr. Y with low IC50 was further characterized by UV–Vis spectra, IR, 1D, 2D-NMR spectra. Pure ethyl gallate showed 75% antioxidant activity. As ethyl gallate is an approved food additive and an emerging anticancer agent, this paper will be of major importance for the food and pharmaceutical industries.
PubDate: 2018-12-01
DOI: 10.1007/s40009-018-0725-z
Issue No: Vol. 41, No. 6 (2018)

• HNO 3 @nano SiO 2 Catalyzed Green and Efficient Synthesis of Symmetrical
and Unsymmetrical Di(indolyl)indoline-2-ones by Stirring and Grindstone
Methods
• Authors: Kobra Nikoofar; Zahra Khalili
Pages: 361 - 364
Abstract: A simple, efficient, solvent-free, and mild method for the preparation of di(indolyl)indoline-2-ones (symmetrical and unsymmetrical), have been reported in the presence of HNO3@nano SiO2 under both stirring and grinding techniques at room temperature successfully.
PubDate: 2018-12-01
DOI: 10.1007/s40009-018-0710-6
Issue No: Vol. 41, No. 6 (2018)

• Facial Emotion Recognition System Based on PCA and Gradient Features
• Authors: Malika Arora; Munish Kumar; Naresh Kumar Garg
Pages: 365 - 368
Abstract: An efficient framework is proposed to deal with the facial emotions recognition problem. Since facial expressions result from facial muscle deformations, gradient features are exceptionally sensitive to the object deformations, so apply the gradients to encode these facial components as features. Then further it is joined by the testing process that classifies emotions and results are measured in terms of false acceptance rate, false rejection rate, and recognition accuracy. Proposed system was trained using random forest classifier to recognize the facial emotions. Japanese Female Facial Emotion (JAFFE) database consist of 5 typical emotions, namely, sad, happy, angry, neutral and surprise is considered for experimental results. Proposed framework can be used in real life applications like electroencephalogram in collaboration with brain computer interfaces. The average classification rate on the JAFEE dataset reaches 91.3%. In the proposed system hybridization of Gradient filter, PCA and PSO has been done for facial emotion recognition which has never been used earlier and this hybridization produces performs better than already existing techniques. Experimental results demonstrate the competitive classification accuracy of our proposed method.
PubDate: 2018-12-01
DOI: 10.1007/s40009-018-0694-2
Issue No: Vol. 41, No. 6 (2018)

• Detection of Ash Fouling in Thermal Power Plant
• Authors: Anitha Kumari Sivathanu; Srinivasan Subramanian; Pugazhendi Ramalingam
Pages: 369 - 373
Abstract: Ash fouling is one of the significant problems in thermal power plant. It degrades the thermal performance of heat transfer surfaces; hence, soot blowers are initiated in a pre-defined sequence and scheduled to clean the surfaces. Frequent soot blow operation leads to waste of steam, increased maintenance cost and tube erosion. This study aims in developing a simplified method to detect economizer fouling based on the assessment of cleanliness factor. Economizer model that includes the heat capacity of metal between flue gas and feed water is simulated and validated using power plant data. The decrease in efficiency and cleanliness factor with effect of fouling is analyzed. It is observed that a 3% decrease in cleanliness factor in the economizer leads to a 2% loss in its efficiency.
PubDate: 2018-12-01
DOI: 10.1007/s40009-018-0734-y
Issue No: Vol. 41, No. 6 (2018)

• An Efficient Stable Subassembly Identification Method Towards Assembly
Sequence Generation
• Authors: M. V. A. Raju Bahubalendruni; Bibhuti Bhusan Biswal
Pages: 375 - 378
Abstract: Attempts have been made to propose stable sub assembly detection using part concatenation method considering permanent and partial stability relations between pair of parts. The stability between pair parts is considered based on surface contacts, assembly mating features and contribution of physical connectors. The proposed method helps in finding possible parallel stable subassemblies during assembly sequence generation in order to achieve economized assembly process.
PubDate: 2018-12-01
DOI: 10.1007/s40009-018-0679-1
Issue No: Vol. 41, No. 6 (2018)

• Degree Equitable Regular Set Domination in Graphs
• Authors: Sunilkumar M. Hosamani
Pages: 379 - 383
Abstract: A set D of vertices in a graph $$G =(V,E)$$ is said to be regular set dominating set if for every set $$I \subseteq V-D$$ there exists a nonempty set $$S \subseteq D$$ such that $$\langle I \cup S \rangle$$ is regular. A subset $$D \subseteq V(G)$$ is called an equitable dominating set of a graph G if every vertex $$v \in V(G) {\setminus } D$$ has a neighbor $$u \in D$$ such that $$d_G(u)-d_G(v) \le 1$$ . An equitable dominating set D is a DERSD-dominating set of G if D is a regular set dominating set of G. The DERSD-domination number of G, denoted by $$\gamma _{rs}^e(G)$$ , is the minimum cardinality of a DERSD-dominating set of G. We initiate the study of DERSD-domination in graphs and obtain some sharp bounds. Finally, we show that the decision problem for determining $$\gamma _{rs}^e(G)$$ is NP-complete which gives a solution to the open problem posed by Sampathkumar and Pushpa Latha in their article Set domination in graphs, J Graph Theory 18(5):489–495, (1994).
PubDate: 2018-12-01
DOI: 10.1007/s40009-018-0651-0
Issue No: Vol. 41, No. 6 (2018)

• Quintic B-Spline Method for Singularly Perturbed Fourth-Order Ordinary
Differential Equations of Reaction–Diffusion Type
• Authors: Ram Kishun Lodhi; Hradyesh Kumar Mishra
Pages: 385 - 390
Abstract: A quintic B-spline method has been proposed in this paper for the numerical solution of fourth order singularly perturbed two-point boundary value problems of reaction–diffusion type. Such types of problems arise in various fields of science and engineering, such as electrical network and vibration problems with large Peclet numbers, Navier–Stokes flows with large Reynolds numbers in the theory of hydrodynamics stability, reaction–diffusion process, quantum mechanics and optimal control theory etc. These types of problems are very important physically and difficult to solve because of boundary layers lies at the end point of domain. This method is directly applied to the problem without reducing the order of differential equation. The convergence analysis of the present method is also given and it has been proved to be of second order. The proposed method is applied on two numerical examples which verify theoretical estimates and numerical results are compared with the existing method. The numerical results are calculated with the help of MATLAB software.
PubDate: 2018-12-01
DOI: 10.1007/s40009-018-0705-3
Issue No: Vol. 41, No. 6 (2018)

• Influence of the Edge Removal, Edge Addition and Edge Subdivision on the
Double Vertex–Edge Domination Number of a Graph
• Authors: B. Krishnakumari; Y. B. Venkatakrishnan
Pages: 391 - 393
Abstract: A vertex v of a graph $$G=(V,E)$$ is said to ve-dominate every edge incident to v, as well as every edge adjacent to these incident edges. A set $$S \subseteq V$$ is a vertex–edge dominating set (double vertex–edge dominating set, respectively) if every edge of E is ve-dominated by at least one vertex (at least two vertices) of S. The minimum cardinality of a vertex–edge dominating set (double vertex–edge dominating set, respectively) of G is the vertex–edge domination number $$\gamma _{ve}(G)$$ (the double vertex–edge domination number $$\gamma _{dve}(G)$$ , respectively). The influence of edge removal, edge addition and edge subdivision on the double vertex–edge domination number of a graph are investigated in this paper.
PubDate: 2018-12-01
DOI: 10.1007/s40009-018-0689-z
Issue No: Vol. 41, No. 6 (2018)

• On Free Right Loops
• Authors: Laxmi Kant Mishra; Vipul Kakkar; Akhilesh Chandra Yadav
Pages: 395 - 397
Abstract: Attempts have been made to construct free objects namely free right loops in the category of right loops whose objects are right loops and morphisms are right loop homomorphisms. Right inner mapping groups and right multiplication groups of free right loops are also discussed in this paper.
PubDate: 2018-12-01
DOI: 10.1007/s40009-018-0697-z
Issue No: Vol. 41, No. 6 (2018)

• Comparison of Shikimic Acid Content: A Precursor for Drug Against H5N1
from Various Plant Species of Western Ghats, India
• Authors: Parthraj R. Kshirsagr; Sandeep R. Pai; Harsha V. Hegde
Pages: 399 - 402
Abstract: Shikimic acid (SA) is a key precursor for synthesis of drug against H5N1 virus. The demand for this compound is met from plant resources, especially from the fruits of Chinese star anise (Ilichium vernum L.). Present study expounds understanding on distribution of SA in various plant species collected from Western Ghats using RP-UFLC analysis. The area under curve obtained after RP-UFLC run were used to comprehend on possible natural groupings and correlations. 14 out of 58 samples yielded SA in an excess of 1 mg/g and Mammea suriga (Buch.-Ham. ex Roxb.) Kosterm (29.34 mg/g) being the highest among all. Probably, this is the first report of M. suriga to be accounted for SA content. Higher yielding samples grouped together in hierarchical clustering analysis.
PubDate: 2018-12-01
DOI: 10.1007/s40009-018-0687-1
Issue No: Vol. 41, No. 6 (2018)

• A Novel Technique for Synthesis of Calcium Carbonate Nanoparticles
• Authors: Rakesh Ranjan; Shirish Dadarao Narnaware; Nitin Vasantrao Patil
Pages: 403 - 406
Abstract: A novel, low cost technique that can be used for bulk production of calcium carbonate nanoparticles for possible use in industry, agriculture and medicine is described in the present paper. Calcium carbonate nanoparticles were synthesized by thermolysis of precursor molecule calcium oxalate and characterized by particle size analysis, zeta potential measurement, scanning electron microscopy and X-ray diffraction (XRD) analysis. Quasi-spherical shaped calcium carbonate nanoparticles with mean diameter of 96.7 nm were generated that were confirmed by XRD analysis. The zeta potential of the prepared calcium carbonate nanoparticle was − 15.28 mV.
PubDate: 2018-12-01
DOI: 10.1007/s40009-018-0704-4
Issue No: Vol. 41, No. 6 (2018)

• Notes on the Identity and Distribution of Caralluma diffusa (Apocynaceae)
in Eastern Ghats of Andhra Pradesh and Odisha
• Authors: Alok R. Chorghe; K. Prasad; L. Rasingam
Pages: 407 - 410
Abstract: Caralluma diffusa (Wight) N. E. Br., so far known from Kerala and Tamil Nadu, is reported from two hill ranges in Eastern Ghats of Andhra Pradesh and Odisha. Detailed description, photographs, keys and notes on its distribution is provided here.
PubDate: 2018-12-01
DOI: 10.1007/s40009-018-0681-7
Issue No: Vol. 41, No. 6 (2018)

• Continuous Wavelet Transform Involving Linear Canonical Transform
• Authors: Akhilesh Prasad; Z. A. Ansari
Abstract: The main objective of this paper is to study the continuous wavelet transform involving linear canonical transform (LCT) and some of its basic properties. The inversion formula and the Parseval’s relation of continuous wavelet transform are discussed. Moreover, discrete wavelet transform based on LCT is defined and studied its basic properties.
PubDate: 2018-10-30
DOI: 10.1007/s40009-018-0743-x

• New Distributional Record of the Rare Endemic Species Dichanthium
woodrowii (Poaceae) for Gujarat, India
• Authors: R. M. Patel; Y. B. Dabgar; K. V. C. Gosavi
Abstract: Dichanthium woodrowii (Hook. f.) S.K. Jain & Deshp. (Poaceae) is an endemic species known only from few localities of Maharashtra State. During floristic survey of Kachchh in 2015, D. woodrowii were collected for first time from Gujarat State. The detailed description, photography and field note of D. woodrowii provided for their easy identification.
PubDate: 2018-10-20
DOI: 10.1007/s40009-018-0675-5

• An Intelligent Risk Prediction System for Breast Cancer Using Fuzzy
Temporal Rules
• Authors: U. Kanimozhi; S. Ganapathy; D. Manjula; A. Kannan
Abstract: Online prediction of risk on breast cancer is a challenging task in the area of health care during the past decade. Since the existing statistical and data mining methods have limitations with respect to the prediction of breast cancer, there is a need for proposing more effective predictive models which can predict the breast cancer more effectively. In this paper, we propose a new intelligent online risk prediction model for predicting the breast cancer using fuzzy temporal rules more accurately. Moreover, this intelligent system determines the contributing attributes from the dataset using intelligent fuzzy temporal rules and also performs prediction by applying fuzzy rule-based classification with temporal constraints. Moreover, the rules are validated using a domain expert and the experiments conducted in this work using questionnaire, rule-based classification and consultation with domain expert have proved that the proposed system provides more accurate results for risk prediction than the other existing systems.
PubDate: 2018-10-19
DOI: 10.1007/s40009-018-0732-0

• A Combination of Variational Mode Decomposition and Histogram Equalization
for Image Enhancement
• Authors: L. M. Satapathy; R. K. Tripathy; P. Das
Abstract: A new technique for image contrast enhancement is proposed in this paper. The technique is based on the variational mode decomposition (VMD) of image and various histogram equalization approaches. The original image is decomposed into different sub-images or modes using VMD. The histogram equalization approaches such as the conventional histogram equalization, the contrast limited adaptive histogram equalization are applied to the mode1 of the original image. For obtaining the enhanced image, a weighting scheme is introduced to combine the processed mode1 image and the original image. The proposed technique is evaluated using various images including the medical image. The experimental results demonstrate that the proposed technique outperforms the existing methods for image enhancement. For medical images, the PSNR and the image quality index values improve by using the proposed technique over various HE approaches.
PubDate: 2018-10-17
DOI: 10.1007/s40009-018-0742-y

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