Miracle-dz/UniFAR-FTUs huggingface dataset:
THE INFLUENCE OF CHEMICAL STRUCTURE ON ODOUR QUALITIES AND ODOUR POTENCIES IN CHLORO-ORGANIC SUBSTANCES

The musty 'cork taint' off-flavour is widespread in stored food products and packaging materials. Several candidate compounds attributed to this off-flavour, being described with earthy musty odours, have been identified, including geosmin, 2methylisoborneol, 3-isobutyl-2-methoxypyrazine, 3-isopropyl-2-methoxypyrazine and different chloroanisoles. However, because of the low odour threshold concentrations of many of these analytes, their identification is often difficult by conventional analytical methods. In the present study, the odour qualities and odour thresholds in air of nineteen chloroanisoles were evaluated using gas chromatographyolfactometry. Analytical characterization of the substances was based on retention indices according to Kovats, as well as mass spectrometry. Odour threshold concentrations and characteristic odour qualities were found to be dependent on the chemical structures of these compounds.
Aircraft Cable with Connector Fault Modeling and Diagnosis

The aircraft complex across multiple conn paper, set up the aircraft cable cross connector open defect mathematical model and corresponding simulation model, the time domain reflection method is used to calculate and analysis the transformation rule of characteristic impedance and reflection coefficient when the aircraft cable across one or more connector. The aircraft cable open defect with a narrow delay pulse waveform across one or more connector reflection and transmission is researched in Matlab Simulink, the aircraft cable connector fault diagnosis system is built in the industrial computer hardware platform and the LabVIEW software. The experiment result showing: simulation model in the aircraft cable open defect multiple cross connector is scalable, waveform identification level is high, at high sampling rate in the hardware platform can realize aircraft cable connector fault diagnosis and locating.
Electron trap liberation in MgF2 doped with Yb2+ using a two-color excitation experiment

We utilize the optical transitions of Yb2+ excited by an ultraviolet optical parametric amplifier to probe electron trap liberation in MgF2 via the observation of a photoluminescence enhancement effect induced by a subsequent infrared pulse from a free-electron laser. The temperature dependence of the enhancement suggests that we liberate very shallow traps having a depth of approximately 17 cm−1. The observed “trap spectrum” is consistent with a simple model of a Coulomb trap.
A VERY COMPACT MIMO ANTENNA WITH TRIPLE BAND-NOTCH FUNCTION FOR PORTABLE UWB SYSTEMS

A very compact triple band-notched multiple input multiple output antenna (MIMO) for ultra-wideband (UWB) communications is fabricated on an FR4 dielectric substrate having the overall size of 18×21×0.8mm3. The proposed antenna consists of two rectangular metal monopoles which are excited by 50-Ω microstrip lines on top of a substrate, and a common protrude ground is at the bottom. To achieve low mutual coupling between radiating elements, a T-shaped stub is protruded from the ground plane. By etching two C-shaped slots on the radiating patches, band-notched functions at 5.15– 6GHz and 7.8–8.4GHz are obtained. The third notch band from 3.3–3.7 GHz is realized by adding Ushaped metal strips to the ground. The measured and simulated results demonstrate that the proposed antenna offers good impedance bandwidth of |S11| ≤ −10 dB from 2.8–12.2 GHz covering whole UWB band except at the designed notch bands, while giving less mutual coupling (|S21|) of lower than −25 dB in the whole UWB band. The measured envelope correlation coefficient (ECC < 0.013), nearly constant gain and stable radiation patterns show that the proposed MIMO antenna is an appropriate candidate for portable UWB systems.
The Epic of Pabuji ki par in Performance

Dr Wickett is an independent scholar and filmmaker specialising in the study of oral traditions, folk epics and belief systems in Upper Egypt from the perspective of the ethnography of speaking, poetics and gender. A fervent advocate of the importance of visual documentation for the analysis of oral text, Dr Wickett has produced several 'anthro docs', including For Those Who Sail to Heaven, a film that examines cultural legacy, beliefs and tradition at the festival of Luxor's patron saint, also accompanied by a monograph, published by the American Research Centre in Egypt. Dr Wickett's doctoral research at the University of Pennsylvania on funerary lamentation is published by IB Tauris with the title For the Living and the Dead: The Funerary Laments of Upper Egypt, Ancient and Modern (2010), and future projects include a new compendium of Luxor legends and oral epics that will examine the enduring influence of ancient motifs on Egyptian folk memory.
Long-term summer temperature variations in the Pyrenees from detrended stable carbon isotopes

Abstract Substantial effort has recently been put into the development of climate reconstructions from tree-ring stable carbon isotopes, though the interpretation of long-term trends retained in such timeseries remains challenging. Here we use detrended δ13C measurements in Pinus uncinata tree-rings, from the Spanish Pyrenees, to reconstruct decadal variations in summer temperature back to the 13th century. The June-August temperature signal of this reconstruction is attributed using decadally as well as annually resolved, 20th century δ13C data. Results indicate that late 20th century warming has not been unique within the context of the past 750 years. Our reconstruction contains greater am-plitude than previous reconstructions derived from traditional tree-ring density data, and describes particularly cool conditions during the late 19th century. Some of these differences, including early warm periods in the 14th and 17th centuries, have been retained via δ13C timeseries detrending - a novel approach in tree-ring stable isotope chronology development. The overall reduced variance in earlier studies points to an underestimation of pre-instrumental summer temperature variability de-rived from traditional tree-ring parameters.
Combination of Novel Enhancement Technique and Fuzzy C Means ClusteringTechnique in Breast Cancer Detection.

Computer aided detection (CAD) is the main aid used by radiologists in detecting microcalcification in digital mammogram for the early detection of breast cancer. In this paper we have improved the preprocessing method involves in CAD by modifying the local range modification (LRM) as modified LRM (MLRM) for the noise removal and enhancement. And we have combined this method with the fuzzy C means clustering (FCMC) method and tested for over 30 mammogram images and found the microcalcification detection accuracy of 98.1 % which is better than the other existing methods.
CRITICAL ASSESSMENT OF CORRECTION METHODS FOR FISHEYE LENS DISTORTION

Abstract. A fisheye lens is widely used to create a wide panoramic or hemispherical image. It is an ultra wide-angle lens that produces strong visual distortion. The distortion modeling and estimation of the fisheye lens are the crucial step for fisheye lens calibration and image rectification in computer vision and close-range photography. There are two kinds of distortion: radial and tangential distortion. Radial distortion is large for fisheye imaging and critical for the subsequent image processing. Although many researchers have developed calibration algorithms of radial distortion of fisheye lens, quantitative evaluation of the correction performance has remained a challenge. This is the first paper that intuitively and objectively evaluates the performance of five different calibration algorithms. Upto- date research on fisheye lens calibration is comprehensively reviewed to identify the research need. To differentiate their performance in terms of precision and ease-using, five methods are then tested using a diverse set of actual images of the checkerboard that are taken at Wuhan University, China under varying lighting conditions, shadows, and shooting angles. The method of rational function model, which was generally used for wide-angle lens correction, outperforms the other methods. However, the one parameter division model is easy for practical use without compromising too much the precision. The reason is that it depends on the linear structure in the image and requires no preceding calibration. It is a tradeoff between correction precision and ease-using. By critically assessing the strengths and limitations of the existing algorithms, the paper provides valuable insight and guideline for future practice and algorithm development that are important for fisheye lens calibration. It is promising for the optimal design of lens correction models that are suitable for the millions of portable imaging devices.
Choroidal Vessel Wall: Hypercholesterolaemia-Induced Dysfunction and Potential Role of Statins

© 2012 Ramírez et al., licensee InTech. This is an open access chapter distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Choroidal Vessel Wall: Hypercholesterolaemia-Induced Dysfunction and Potential Role of Statins
Epidemiological analyses of African swine fever in the Baltic States and Poland

Abstract EFSA assisted four countries in the analysis of epidemiological data on African swine fever (ASF), collected until September 2017. The temporal analysis demonstrated that the average proportions of PCR and antibody‐ELISA positive samples from the hunted wild boar remained below 3.9 and 6.6, respectively. A peak in the ASF incidence was observed 6 months after the first observed case, followed by a significant reduction of the number of cases and low levels of African swine fever virus (ASFV) circulation at the end of 38 months follow‐up period at different spatial resolutions. The spatial analysis concluded that human‐mediated spread of ASFV continues to play a critical role in the ASF epidemiology, despite all measures currently taken. ‘Wild boar density’, ‘total road length’ (as proxy for human activity) and ‘average suitable wild boar habitat availability’ were identified as predictors for the occurrence of ASF in Estonia by a Bayesian hierarchical model, whereas ‘wild boar density’ and ‘density of pig farms’ were predictors according to a generalised additive model. To evaluate the preventive strategies proposed in EFSA's Scientific Opinion (2015) to stop the spread of ASFV in the wild boar population, a simulation model, building on expert knowledge and literature was used. It was concluded that reduction of wild boar population and carcass removal to stop the spread of ASFV in the wild boar population are more effective when applied preventively in the infected area. Drastic depopulation, targeted hunting of female wild boar and carcass removal solely implemented as measures to control ASF in the wild boar population need to be implemented in a highly effective manner (at or beyond the limit of reported effectivity in wild boar management) to sustainably halt the spread of ASF.
What Drives Market Structure? On the Relation between Firm Demographic Processes, Firms' Innovative Behaviour and Market Structure

In this paper we suggest an structural model that specifies firm growth as a function of firm specific parameters and of competition for purchase power with other firms on a given market. Moreover, we explicitely model firms' innovative behaviour and distinguish between different innovation regimes. On the basis of a set of simulations of this model we derive a number of empirically testable hypotheses. A subset of these have already found support in the empirical literature. We take these as evidence in favour of the explanatory power of the model. In addition, we are able to derive further testable propositions on the interaction of firm-demographic processes, innovative behaviour and market structure that go beyond the existing literature and that we suggest for further research. We conclude that the approach chosen here provides a fruitful pathway for further research.
Ellipsoidal mixture models for clustering: an application to web-based education data

This study considers the Gaussian mixture models for clustering. Since spherical and diagonal models occur very rarely in practice and analysis can be simplified when these models are implemented, we focus on the ellipsoidal models. EM algorithm is used to fit these models to a real data set related to an adaptive educational electronic course. Misclassification rates and Bayesian Information Criteria (BIC) values are used for comparison. Bangladesh J. Sci. Res. 28(1): 1-7, June-2015
Video Facial Expression Recognition Based on Multi-angle Feature Fusion

In view of the problems of high computational complexity and low recognition rate of video facial expression recognition, this paper proposes a new method of video facial texture representation and facial expression recognition, which is based on multi-angle feature fusion algorithm of local Gabor adaptive ternary orientation pattern (LGATOP). Firstly, in order to obtain an enhanced Gabor amplitude spectrum, Gabor wavelet transform with different scales and directions is applied to each face image normalized in the video frame set. Then the LGATOP features of the video texture are extracted by using the local three-value model on three orthogonal planes. Finally, the SVM is used to complete the emotion classification of the texture and motion information after fusion. Through the cross experiment on CK+ and MMI databases, it has been proved that the proposed method has better robustness to mination change, expression changes and so on. Contrast experiments with other related methods have also verified the superiority of the method.
Can price dispersion be supported solely by information frictions?

Even with identical consumers and identical firms, if firms set prices in a first stage, and if consumers search sequentially in a second stage, price dispersion arises in the form of a mixed-strategy Nash equilibrium. One only needs to assume consumers know the realized price distribution and that they do not know which firm has what price. In contrast to Burdett and Judd ( 1983 ), price quotes are not required to be “noisy. ” Moreover, actual search is predicted to be nontrivial.
- glucosidase and-amylase inhibitory activity of Micromonospora sp . VITSDK 3 ( EU 551238 )

An Actinomycete strain designated as VITSDK3 was isolated from marine sediment sample collected at Marakkanam, the southern coast of India. The strain was characterized using polyphasic taxonomy and identified as Micromonospora sp. The strain is Gram-positive, non-motile and aerial mycelium is absent. The cell wall type is meso-DAP, with xylose and arabinose as characteristic cell wall sugars, MK-10(H6) and MK10(H4) as major menaquinones and contains branched iso and anteiso fatty acid profile. The 16S rRNA sequence analysis indicates that the strain is clustered within the genus Micromonospora. Similarly, based on comparative phenotypic and phylogenetic analysis the isolated strain is identified as a member of genus Micromonospora. The strain is able to grow between 6-22% NaCl concentrations. Maximal growth of the strain is seen on the ISP medium 9, supplemented with 50% sea water and 25% soil extract with a temperature of 28°C, pH of 7.4 and salt concentration of 10% (w/v). The media and cultural conditions for optimal growth have been optimized under shake-flask conditions by measuring the dry weight of the mycelium. The organic solvent extract of the strain is screened for the -glucosidase and -amylase inhibitory activity and shows concentration dependent activity. The extract shows 74.43% inhibition on -glucosidase and 74.32% inhibition on -amylase at 100g/ml. Our investigations indicate that the isolated strain is halophilic, which produces extra cellular metabolites found to be very effective in inhibiting the enzymes -glucosidase and -amylase. The results suggest that the strain produces the secondary metabolites which could be used for the treatment of glucose metabolism related disorders.
Absolute absorption cross-section measurement of a submonolayer film on a silica microresonator

Conventional absorption spectroscopy is not nearly sensitive enough for quantitative overtone measurements on submonolayer coatings. While cavity-enhanced absorption detection methods using microresonators have the potential to provide quantitative absorption cross sections of even weakly absorbing submonolayer films, this potential has not yet been fully realized. To determine the absorption cross section of a submonolayer film of ethylene diamine (EDA) on a silica microsphere resonator, we use phase-shift cavity ringdown spectroscopy simultaneously on near-IR radiation that is Rayleigh backscattered from the microsphere and transmitted through the coupling fiber taper. We then independently determine both the coupling coefficient and the optical loss within the resonator. Together with a coincident measurement of the wavelength frequency shift, an absolute overtone absorption cross section of adsorbed EDA, at submonolayer coverage, was obtained and was compared to the bulk value. The smallest quantifiable absorption cross section is σmin=2.7×10−12 cm2. This absorption cross section is comparable to the extinction coefficients of, e.g., single gold nanoparticles or aerosol particles. We therefore propose that the present method is also a viable route to absolute extinction measurements of single particles.
Make people move

It takes only about 10-30 minutes into a sedentary lecture before audience attention is decreasing. There are different ways to avoid this. One is to use a web-based audience response systems (ARS), where the audience interact with the lecturer through their smartphones, and another is to take short breaks, including physical movements, to re-energize both the body and the brain. In this study, these two methods have been combined and explored. By utilizing the motion sensors that are integrated in almost every smartphone, a physical activity for a lecture audience was created and implemented in the ARS platform Mentimeter. The proof of concept was evaluated in two lectures, based on O’Brien and Toms' model of engagement. The aim was to explore the prerequisites, both in terms of design and implementation, for creating an engaging physical activity within a lecture audience, using smartphone motion sensors to capture movements and a web-based ARS to present the data. The results showed that the proof of concept was perceived as fun and engaging, where important factors for creating engagement were found to be competition and a balanced level of task difficulty. The study showed that feedback is complicated when it comes to motion gesture interactions, and that there are limitations as to what can be done with smartphone motion sensors using web technologies. There is great potential for further research in how to design an energizing lecture activity using smartphones, as well as in exploring the area of feedback in motion gesture interaction. Author
On the asymptotic behaviour of the eigenmodes for elliptic problems in domains becoming unbounded

The aim of this work is to analyze the asymptotic behaviour of the eigenmodes of some elliptic eigenvalue problems set on domains becoming unbounded in one or several directions. In particular, in the case of a linear elliptic operator in divergence form, we prove that the sequence of the $ k$-th eigenvalues convergences to the first eigenvalue of an elliptic problems set on the section of the domain. Moreover, an optimal rate of convergence of this sequence is given.
Global analytical model predictive control with input constraints

We derive a closed-form global analytical solution for model predictive control (MPC) of linear, discrete-time systems, subject to a quadratic performance index and hard magnitude constraints at the system input. The solution is shown to be a partition of the state space in regions for which an analytic expression is given for the corresponding control law. Both the regions and the control law are characterised in terms of the parameters of the open-loop optimal control problem that underlies MPC. The result exploits the geometric properties of quadratic programming.
Prevalence of Submicroscopic Plasmodium falciparum Infections in Asymptomatic Children in Low Transmission Settings in Bagamoyo, Tanzania

Falciparum malaria in endemic areas continues to occur in asymptomatic cases, which contribute to the persistence of transmission as well as the size of the parasite reservoirs. Recent successes in malaria control have resulted in renewed interest in malaria eradication and identification of the human infectious reservoir is essential for this. In this study, we evaluated prevalence of microscopic and submicroscopic gametocytes that were obtained from asymptomatic primary school children from Bagamoyo rural in Tanzania. Samples were collected from 501 asymptomatic primary school children (6-14 years of age) from 7 villages in Bagamoyo district. Participants were screened for malaria in the field using RDT, and samples were brought to the laboratory for microscopy and molecular analysis. Parasite density was determined by microscopy, and gametocyte carriage identification was performed by RT-qPCR targeting gametocyte-specific genes. Asymptomatic infection was found to be 45.1% (95% : CI=40.7-49.6) by RT-qPCR, followed by RDT, 14.2% (95%: CI=11.2-17.5) and microscopy 6.8% (95%: CI=4.7-9.4). Parasite prevalence by microscopy was 12% (23/191) in boys compared to 3.6% (11/310) in girls (p<0.001). Gametocytes were detected in 12.6% (226/501) of the asymptomatic school children by RT-qPCR compared to only 0.8% (4/501) of the children by microscopy (P=0.008). Asymptomatic infection and submicroscopic gametocyte carriage were high in the study area. The detection of asymptomatic cases with circulating submicroscopic P. falciparum gametocytes in school children indicates that these form a substantive gametocyte reservoir that sustains malaria transmission. Asymptomatic carriers and submicroscopic infections should therefore be considered when implementing elimination strategies of the disease.
Biodiesel Production from Vegetable Oil over Plasma Reactor: Optimization of Biodiesel Yield using Response Surface Methodology

Biodiesel production has received considerable attention in the recent past as a renewable fuel. The production of biodiesel by conventional transesterification process employs alkali or acid catalyst and has been industrially accepted for its high conversion and reaction rates. However for alkali catalyst, there may be risk of free acid or water contamination and soap formation is likely to take place which makes the separation process difficult. Although yield is high, the acids, being corrosive, may cause damage to the equipment and the reaction rate was also observed to be low. This research focuses on empirical modeling and optimization for the biodiesel production over plasma reactor. The plasma reactor technology is more promising than the conventional catalytic processes due to the reducing reaction time and easy in product separation. Copyright (c) 2009 by BCREC. All Rights reserved. [Received: 10 August 2009, Revised: 5 September 2009, Accepted: 12 October 2009] [How to Cite : I. Istadi, D.D. Anggoro, P. Marwoto, S. Suherman, B.T. Nugroho (2009). Biodiesel Production from Vegetable Oil over Plasma Reactor: Optimization of Biodiesel Yield using Response Surface Methodology. Bulletin of Chemical Reaction Engineering and Catalysis , 4(1): 23-31. doi:10.9767/bcrec.4. 1.7115. 23-31 ] [ How to Link/ DOI : http://dx.doi. org/10.9767/bcrec.4. 1.7115. 23-31 || or local: http://ejournal.undip. ac.id/index.php/bcrec/article/view/7115 ]