bluuebunny/crossref_metadata_2025_split huggingface dataset:
Crystal Chemistry, Rietveld Analysis, Structural and Electrical Properties of Cobalt-Erbium Nano-Ferrites
Authors: Sumalatha Edapalli , Ravinder Dachepalli , Maramu Nyathani , Shubha  , Ravinder Reddy Butreddy , Katlakunta Sadhana , Gollapudi Koteswari , Thota Rajender 
Published: September 2021

Synthesis of Cobalt-Erbium nano-ferrites with formulation CoErxFe2-xO4 (x = 0, 0.005, 0.010, 0.015, 0.020, 0.025, and 0.030) using technique of citrate-gel auto-combustion was done. Characterization of prepared powders was done by using XRD, EDAX, FESEM, AFM and FTIR Spectroscopy, DC resistivity properties respectively. XRD Rietveld Analysis, SEM, TEM and EDAX analysis were taken up in studying spectral, structural, magnetic and electrical properties. XRD pattern of CEF nano particles confirm single phase cubic spinal structure. The structural variables given by lattice constant (a), lattice volume (v), average crystallite size (D) and X-ray density(dx), Bulk density (d), porosity (p), percentage of pore space (P%), surface area (s), strain (ε), dislocation density (δ), along with ionic radii, bond length and hoping length were calculated. SEM and TEM results reveal homogeneous nature of particles accompanied by clusters having no impurity pickup. TEM analysis gives information about particle size of nanocrystalline ferrite while EDAX analysis confirm elemental composition. Emergence of two arch shaped frequency bands (ν1 and ν2) that represent vibrations at tetrahedral site (A) and octahedral site(B) was indicated by spectra of FTIR. The samples electrical resistivity (DC) was measured between 30°C -600°C with Two probe method. XRD Rietveld analysis confirm crystallite size lying between 20.84 nm–14.40 nm while SEM analysis indicate formation of agglomerates and TEM analysis indicate particle size ranging between 24 nm–16 nm. DC Electrical measurements indicate continuous decrease in resistivity with increasing temperature while increasing doping decreases curie temperature. The Magnetic parameters such as Saturation magnetization (Ms), Remanent magnetization (Mr), Coercivity (Hc) and Squareness ratio (R = Mr/Ms), Magnetic moment (nB) were altered by doping of Er+3 content in the increasing order (x = 0.00 to 0.030). The increasing erbium content decreases magnetization thus converting the sample into soft magnetic material. Observations indicated strong dependence of magnetic properties on Erbium substitution and coercivity varies in accordance with anisotropy constant. Due to the presence of magnetic dipole Erbium substituted cobalt ferrites can be used in electromagnetic applications. The present study investigates the effect of different compositions of Er3+ replaced for Fe on structural properties and electrical resistivity of cobalt ferrites.
Redaktionelt forord
Authors: Redaktionen TA 
Published: September 2021

Redaktionelt forord

Som kilde til en uhæmmet metafordannelse er synet sandsynligvis
den sans, der bærer de største billedlige byrder - en overførelsens
overbelastning, som kan iagttages ved sammenbrud i den metaforiske
konsistens. Med synet afbilder vi indsigtens vished og overblikkets
omfang, som fastner sig til erfaringens selvsyn og det klare bevis’
ubetvivelige evidens eller vider sig ud i granselos anskuelse, der
omfatter alt i sin synskreds, tilvarelsen, livet, verden, endog det, der
endnu kun er vision. Men af samme kilde narer vi vores skepsis til
fejringen af det oplagte, abenbare og gennemskuelige. Vi kan ved
ojet afbilde tildakkede, usynlige og latente krafter og virksomheder,
der skjuler sig for iagttagelsens naive selvfolgelighed, eller vi
kan sandsynliggore perspektivernes afhangighed af synspunkternes
indskrankende udsyns- og overbliksmuligheder.
Derfor er rammen om dette nummer af Tidsskriftet Antropologi
en bestrabelse pa at aflaste synet dets billedlige byrder. Forfatterne
har alle haft til opgave at holde sig fra synsvinklernes kun alt for
facile billeddrift, for „en sag kan jo ses fra mange sider”, og „et sete
afhanger af ojnene, der ser” - ad infinitum. Artiklerne holder - og
forholder - sig folgeligt til selve synssansens kultiverede forskelligartethed
og til sociale variationer af det afbildedes konkrete
synlighed. Gebrakkeligt sagt: synet bogstaveligt set. Laseren ma sa
domme, om vi har formaet at give syn for sagn.
- redaktionen
At være og ikke at være. Om portrætlighed og metafor
Authors: Bojlén Benedicte 
Published: September 2021

Da en dame i Matisse's atelier fortornet pegede pa hans maleri og sagde „den kvinde har
jo alt for lange arme", svarede han „Kare frue, det er ikke en kvinde, det er et maleri".
Banalt, men ikke uvasentligt.
Imellem mennesket og billedet af mennesket er der alle muligheder for tolkning.
Nogen gange ligner et billede et bestemt menneske, men forestiller det ikke. Andre gange
reprasenterer billedet en bestemt uden overhovedet at ligne. At reprasentere har nemlig
ikke bare med fysisk lighed eller umiddelbar genkendelse at gore. Eller sagt pa en anden
made; selv hvad vi forstar som fysiognomisk lighed etableres med en synssans, der
grundlaggende er metaforisk.
I de senere ar har forfattere, der beskaftiger sig med Afrika, fremhavet det afrikanske
portrat som en genre med helt andre konventioner for identifikation end de vestlige. Det
betyder bl.a at stiliserede figurer, masker og potter, som ikke tidligere er fremstaet som
person-reprasentationer i vores ojne, i deres eget samfund kan referere til specifikke
mennesker (Bems 1990, Borgatti 1990, Drewal 1990, Silverman 1990). Hvis disse
genstande kan kaldes portratter, kan man sporge sig hvordan billeder overhovedet giver
indtryk af at ligne og hvori genkendelse egentlig bestar. Inspireret af en lidt provokerende
pastand om, at ogsa huse er portratter (Drewal 1990, Borgatti 1990a), kan vi gore
„portrat" til paraply-begreb for alskens billeder og objekter. Nar den folgende sightseeing
gennem mange tider og steders portratter tager disse sporgsmal om lighed og
identifkation som sin ledetrad, er det derfor ikke bare for at problematisere begrebet
lighed, men ogsa for at tage netop pa „sight-seeing" i en anden forstand - at betragte
synet selv.
Sjælen kan også se(s). Om verdensoplevelse hos mekeo, Papua Ny Guinea
Authors: Bergendorff Steen 
Published: September 2021

Det sete afhanger ikke kun af ojnene der ser, men ogsa af sociale nonner for, hvad der
kan ses, og hvordan det sete skal forstas. Observationen er afhangig af kalibreringen af
den observerende, for at bruge en lettere omskrivning af Bohrs kendte dictum, og derfor
er der forskel pa de handlingsstrategier, det sete udloser.
På sporet af en teori
Authors: Heltai Gyöngyi 
Published: September 2021

PETER IAN CRAWFORD & DAVID TURTON (eds.): Film as Ethnography.
Manchester & New York: Manchester University Press 1992.322 sider, illustreret.
ISBN 0-7190-3683-6 paperback.

PETER I. CRAWFORD & JAN K. SIMONSEN (eds.): Ethnographic Film,
Aesthetics and Narrative Traditions - Proceedings from NAFA IL Aarhus: Intervention
Press 1992.251 sider, illustreret. Pris DKK 196,-/ECU 12,-. ISBN 87-89825-01-
2 paperback.

Nar man skriver om disse to nyudgivne boger om etnografiske film, forekommer det
naturligt at sammenholde deres hovedemner og -retninger med dem, der i sin tid blev
prasenteret i varket Principles of Visual Anthropology. Sidstnavnte blev udgivet i 1975,
og har siden varet betragtet som en bibel eller i det mindste en grundlaggende
referencebog inden for dette granseomrade i antropologien; et omrade, hvis resultater er
blevet ignoreret eller kritiseret i artier.
Ab initio Study of Diels-Alder Reaction between Cyclic Dienes and Olefin
Authors: Mohammad-Salim Haydar A. 
Published: September 2021

Theoretical modeling of organic synthesis is a powerful tool and leads to further insight into chemical systems. Computational chemistry allows obtaining the potential energy surface that experimentally cannot be observed, in addition to transition state calculations, which lead to better understanding the reactivity of an organic synthesis work. The Diels-Alder (DA) reaction of cyclopentadiene 1 and N-phenylmaleimide 2 has been studied at the MP2/6-311++G(d,p) level of theory. This DA reaction occurs through a one-step mechanism. It was expected that this reaction undergoes two regio-isomeric reaction paths passing through two different transition states to form two different products 3 and 4. The reaction paths are irreversible due to the exothermic character of -41.24 and -41.73 kcal.mol-1. This DA reaction are exergonic with reactions Gibbs free energies between -27.26 and -27.74 kcal⋅mol−1. Analysis of the CDFT indices predict the global electronic flux from the strong nucleophilic cyclopentadiene 1 to the electrophilic N-phenylmaleimide 2.
Antimicrobial and Wound Healing Activity of Gardenia aqualla Stem Bark Methanol Extract
Authors: Anyekema Michael , Kindzeka Lesley Sahber , Dzelamonyuy Aristide 
Published: September 2021

Aim: This study was aimed at examining the antimicrobial and wound healing activities of Gardenia aqualla stem bark methanol extract (GASBME) in order to provide scientific basis for its antimicrobial and wound healing properties.
Methodology: Preliminary phytochemical screening was done and antimicrobial activity determined using some pathogenic micro-organisms were evaluated following its wound healing effectiveness in Wistar rats using the model of superficial skin excision wound. Data were analysed using one-way analysis of variance (ANOVA) followed by Dunnet’s t-test.
Results: The results of preliminary phytochemical screening revealed the presence of carbohydrate, cardiac glycosides, saponins, flavonoids, triterpenes, tannins, alkaloids with anthraquinones being absent. The extract showed antimicrobial activity on Staphylococcus aureus, Corynebacterium ulcerans, Escherichia coli, Klebsiella pneumonia and Salmonella typhi and significant (p< 0.05, p< 0.001) decrease in wound measurement by the 11th day.
Conclusion: This study demonstrated that GASBME possesses antimicrobial activity with wound healing properties that justifies the ethno-medicinal use of the plant in wound/ulcer healings.
Potential Bat-like Rotavirus in Hospitalized Children with Diarrhea from the Dominican Republic
Authors: Bourdett-Stanziola Lurys , Centeno Edwing , Nordgren Johan , Durant-Archibold Armando A. , Ortega-Barria Eduardo , Bucardo Filemón 
Published: September 2021

Interspecies transmission is an important aspect of rotavirus evolution and is enhanced by the close contact between humans and animals. The role of bats as a reservoir or intermediary host for viruses associated with human gastroenteritis is poorly understood, but there are reports of rotaviruses detected in humans that contain genes from bat rotavirus. In this study, a total of 15 rotavirus positive samples from children hospitalized for gastroenteritis in 2007 in the Dominican Republic were investigated by sequencing of the capsid VP4, VP7 and VP6 genes to identify genetic variants. The most common genotypes were G1-P[8]-I1, G3-P[6]-I2 and G12-P[8]-I1. Interestingly, 3 of the 15 sequenced strains had VP7 encoding genes highly similar (≥97%) to those of bat rotaviruses of the G3 genotype detected in Bulgaria in 2008. These VP7 sequences were more distantly related (≤92%) to other G3 rotavirus found in bat, human, rabbit, pigs, rat and monkeys. Only 1 VP4 sequence was available from the bat-like rotavirus yielding genotype P[6]. This and other identified P [6] sequences were more related to human than to porcine derived P[6] sequences. Furthermore, 4 of 10 available VP6 sequences, including the 3 from the G3 bat-like strains, showed high nucleotide identity (>97%) with VP6 of I2 genotype from bat rotavirus detected in Kenya in 2015. A novel observation was the finding of 4 children of ≥1 year of age hospitalized with gastroenteritis and infected with bat-like rotavirus. This study extends previous knowledge on rotavirus interspecies transmission and warrants future rotavirus studies on bats and children from Dominican.
Genetic Components and Diversity Analysis in Indian Mustard [Brassica juncea (Linn.) Czern & Coss] Based on Different Morpho-physiological Traits
Authors: Shyam Chitralekha , Tripathi M. K. , Tiwari Sushma , Tripathi Niraj 
Published: September 2021

Aim: Indian mustard [Brassica juncea (Linn.)] is the third vital oilseed crop in the world which contributes 28.6% in the production of oilseeds. Genetic diversity assessment plays a fundamental role in the preservation and improvement of the targeted plant species.
Study Design: In the present investigation, 196 Indian mustard genotypes including checks were grown in the field and evaluated based on different morpho-physiological traits.
Place and Duration of the Study: All the genotypes were grown in randomized block design with two replications in Rabi 2016-17 and 2017-18 at the experimental field of Department of Genetics & Plant Breeding, College of Agriculture, Rajmata Vijayaraje Scindia Krishi Vishwa Vidyalaya, Gwalior, M.P., India.
Methodology: The study was conducted to record different morphological and physiological traits that play a major role in differentiating the targeted genotypes.
Results: Based on the present study, the highest genotypic and phenotypic coefficients of disparity were documented for seed yield per plant tracked by harvest index and numbers of silique per plant. Maximum heritability and genetic advance were documented for seed yield per plot tracked by harvest index, biological yield per plot, days to 50% flowering, length of the main raceme, numbers of silique per plant, seed yield per plant, numbers of seeds per silique, 1000-seed weight and numbers of silique per the main raceme.
Conclusions: In principal component analysis, 15 principal components were evidenced while cluster analysis gave 16 clusters. The highest inter-cluster distance was evidenced between cluster 9 and cluster 16 which suggests that the hybridization scheme considering parents from these clusters is supposed to be given a higher occurrence of better-wanted combination(s) for expansion of beneficial genetic stocks.
Study of Acoustic Waves in a Teaching Classroom using Finite Element Method
Authors: Bárcenas C. A. Wilson , Rangel J. M. Horta , Hernández M. A. Pérez Lara y , Zaragoza J. B. Hernández , Rea M. L. Pérez , Moreno L. F. Pérez 
Published: September 2021

Aims: To understand the behavior of acoustic waves in a specific classroom in order to get a configuration of panels and ceilings configuration to improve reception and clarity of internal sounds. This was possible by the modification of the properties of the enclosure, sush as the absorption coefficients of internal surfaces. The analysis was carried out through the implementation of a model by using Finite Element Method.
Study Design: The acoustic behavior that enclosure for academic use require is discussed, indicating that it is common to find deficiencies in the acoustic architecture of enclosures, and the risks that this causes to cognitive and academic development, as a consequence of low understanding.
Place and Duration of Study: Graduate Engineering Department, Universidad Autónoma de Querétaro, between August 2020 and June 2021.
Methodology: The problem is solved by applying the finite element method. This implies that the essential concepts for the understanding of this subject are reviewed, such as; acoustic physics, mechanics of the continuous medium and finite element method.
Results: After multiple analized scenarios, it was observed that while there is an absorption greater than the surface, the material of the panel or ceiling is not relevant. On the other hand, the size and surface where is located the panels turned out to be more relevant parameters.
Conclusion: Considering the proposed alternatives, an increase in the Sound Pressure Level and a uniform distribution can be observed. The use of computational tools help to understand the behavior and distribution of acoustic waves in the classroom, which can provide an overview of different adaptations.
Evaluation of Spatio-Temporal Soil Moisture Variability in Semi-Arid Rangeland Ecosystem, Maasai Mara National Reserve, Kenya
Authors: Kapkwang Charles C. , Onyando Japheth O. , Kundu Peter M. , Hoedjes Joost 
Published: September 2021

Aim: To evaluate the spatio-temporal soil moisture storage and retention capacities in semi-arid rangeland ecosystem, Maasai Mara National Reserve (MMNR), Kenya
Study Design: Randomized complete block design (RCBD) of reference Cosmic Ray Neutron Sensor (CRNS) station, ten-(10) spatially distributed (soil moisture and temperature capacitance) probes (5TM-ECH20) sites.
Place and Duration of Study: Kenya, MMNR, the oldest natural semi-arid rangeland ecosystem and globally unique for the great wildebeest migration, between May 2017 and April 2019.
Methodology: Soil moisture (SM) variation data was collected using (CRNS) at spatial and point-scale 5TM-ECH2O probes, and gravimetric water content from (10) spatially distributed stations. Both CRNS and 5TM-ECH2O probes were used to monitor near-real time moisture levels at different soil layers ranging between 0-5cm, 5-10cm, 15-20cm, 35-40cm, and 75-80cm. Soil physical and chemical properties were laboratory analyzed. Calibration and validation datasets were obtained from 5TM-ECH2O probe and gravimetric soil samples extracted from respective layers and sites.
Results: The pedological characteristics of the investigated ecosystem soil profile indicate decreased bulk density by 2.1% to 11.12% from upper layers (0-5cm) to deeper layers at (75–80 cm). Across the rangeland, 70% of soil textural classes were sandy clay loam (SCL) with higher clay percent and 30% sandy clay (SC) and soil porosity varied between 30.1% and 51% in the ecosystem. Moreover, volumetric

2

water content (VWC) of spatially distributed 5TM-ECH2O probes ranged between 0.11m3m-3 and 0.32m3m-3 during wet season with mean VWC of 0.16m3m-3, however, the VWC ranged between 0.04 m3m-3 and 0.17m3m-3 during the dry season with a mean volume of 0.11m3m-3 across the rangeland ecosystem.
Conclusion: In this study, SM exhibited an annual periodicity of seasonal variation of spatial and temporal moisture partitioned as moisture gaining, losing, and a moisture stable period. This probably could be a consequence of increased movement of water to deeper layers caused by high precipitation and less evaporative demand caused by lower temperatures. The calibrated CRNS probe provided good estimates of spatial soil moisture variation when calibrated with 5TM-ECH20 and gravimetric sampling in relation to precipitation events and that deeper soil layers showed higher amount of soil moisture than shallow layers. The findings of the study will provide better formulation of the ecosystem vegetation management policies, conservation and planning for sustainable wildlife tourism industry.
Determining the Effectiveness of Different Reconstruction Method and Mandibular Implants for Fracture in the Mandible
Authors: Hassannia Maryam , Ghorbanizadeh Sajad 
Published: September 2021

Introduction: Every year, many people suffer from mandibular defects due to various reasons such as trauma or malignant tumors. Various techniques for reconstructing mandibular defects have always been considered by surgeons and maxillofacial specialists to select the best option and achieve the desired results for the patient. In this study, various articles and their techniques for reconstruction of mandibular defects were reviewed and their results were reported.
Materials and Methods: The present study is a systematic review study in which the keywords implants, mandibular, trauma, reconstruction of the desired articles in two databases pubmed and science direct from January 1, 2010 to August 31, 2018 And were selected and then examined.
Results: 33 articles met the inclusion criteria on which the final review was performed. 17 articles were clinical studies, 9 articles were case reports and 7 articles were reviews. In these 33 studies, various techniques were examined, including the use of free vascularized fibular flap, the use of computer software, and the prototyping technique.
Conclusion: Among the existing methods, the use of free vascularized fibular flap has been approved as a widely used and reliable method in various studies, and many researchers believe that this technique is the gold standard for the reconstruction of mandibular defects. The use of computer software was also used as a complementary technique to improve surgical outcomes.
An Eco-friendly RP-HPLC and UV-Method Development and Validation for an Estimation of Tolvaptan in Bulk and Tablet Dosage form Followed by Forced Degradation Studies
Authors: A. Patel Seema , S. Sayyed Nazifa , I. Lajporiya Mobina , U. Manjra Mehfuza , Ahmed Aejaz , Khan G. J. 
Published: September 2021

Aims: To develop and validate a new, simple, rapid, precise, and accurate An Eco-friendly RP-HPLC and UV-Method Development and Validation for an estimation of Tolvaptan in Bulk and Tablet dosage form followed by Forced Degradation Studies
Place and Duration of the Study: The present work has been carried out at Ali-Allana College of Pharmacy, Akkalkuwa between November-2020 to April-2021.
Methodology: The UV-Spectroscopic method was developed for the estimation of tolvaptan in bulk and tablet dosage form. The solvent selected for the tolvaptan UV analysis was 4% aq. SLS solution, the solution of 10µg/ml was scanned in UV region from 200-400 nm and the λmax value was determined. The RP-HPLC method was developed on Sunsil C18 150 mm x 4.6mm x 5μ column using acetonitrile: water [45:55] as mobile phase at flow rate 1.0 ml/min and UV detection at 266 nm.
Results: The maximum absorbance was observed at 266 nm. The wavelength 266 nm was selected for further analysis of tolvaptan. The calibration curve was determined using drug concentrations ranging from 20-100 µgm/ml. The system suitability was performed by injecting a standard solution containing 200µg/ml of tolvaptan in six replicates. For two of them, the peak asymmetric were <1.5 and the theoretical plate number was >2000, and the %RSD of tolvaptan was less than 2.
Conclusion: From the above results, it was concluded that the developed UV and RP-HPLC methods are precise and accurate and can be applied for the quantitative estimation of tolvaptan from bulk and tablet dosage forms. The method can be used for routine testing of tolvaptan by the pharmaceutical industry. Validation of the developed method was done as per International Conference on Harmonization (ICH) Q2R1 guidelines.