bluuebunny/crossref_metadata_2025 huggingface dataset:
Optical to Near-infrared Transmission Spectrum of the Warm Sub-Saturn HAT-P-12b
Authors: Wong Ian , Benneke Björn , Gao Peter , Knutson Heather A. , Chachan Yayaati , Henry Gregory W. , Deming Drake , Kataria Tiffany , Lee Elspeth K. H. , Nikolov Nikolay , Sing David K. , Ballester Gilda E. , Baskin Nathaniel J. , Wakeford Hannah R. , Williamson Michael H.
Published: April 2020

We present the transmission spectrum of HAT-P-12b through a joint analysis of data obtained from the Hubble Space Telescope Space Telescope Imaging Spectrograph and Wide Field Camera 3 and Spitzer, covering the wavelength range 0.3–5.0 μm. We detect a muted water vapor absorption feature at 1.4 μm attenuated by clouds, as well as a Rayleigh scattering slope in the optical indicative of small particles. We interpret the transmission spectrum using both the state-of-the-art atmospheric retrieval code SCARLET and the aerosol microphysics model CARMA. These models indicate that the atmosphere of HAT-P-12b is consistent with a broad range of metallicities between several tens to a few hundred times solar, a roughly solar C/O ratio, and moderately efficient vertical mixing. Cloud models that include condensate clouds do not readily generate the submicron particles necessary to reproduce the observed Rayleigh scattering slope, while models that incorporate photochemical hazes composed of soot or tholins are able to match the full transmission spectrum. From a complementary analysis of secondary eclipses by Spitzer, we obtain measured depths of 0.042% ± 0.013% and 0.045% ± 0.018% at 3.6 and 4.5 μm, respectively, which are consistent with a blackbody temperature of 890+60
−70 K and indicate efficient day–night heat recirculation. HAT-P-12b joins the growing number of well-characterized warm planets that underscore the importance of clouds and hazes in our understanding of exoplanet atmospheres.
On Stellar Evolution in a Neutrino Hertzsprung–Russell Diagram
Authors: Farag Ebraheem , Timmes F. X. , Taylor Morgan , Patton Kelly M. , Farmer R.
Published: April 2020

We explore the evolution of a select grid of solar metallicity stellar models from their pre-main-sequence phase to near their final fates in a neutrino Hertzsprung–Russell diagram, where the neutrino luminosity replaces the traditional photon luminosity. Using a calibrated MESA solar model for the solar neutrino luminosity (

·

× 1031 erg s−1) as a normalization, we identify ≃0.3 MeV electron neutrino emission from helium burning during the helium flash (peak

, flux

(10 pc/d)2 cm−2 s−1 for a star located at a distance of d parsec, timescale ≃3 days) and the thermal pulse (peak

, flux

 × 107 (10 pc/d)2 cm−2 s−1, timescale ≃0.1 yr) phases of evolution in low-mass stars as potential probes for stellar neutrino astronomy. We also delineate the contribution of neutrinos from nuclear reactions and thermal processes to the total neutrino loss along the stellar tracks in a neutrino Hertzsprung–Russell diagram. We find, broadly but with exceptions, that neutrinos from nuclear reactions dominate whenever hydrogen and helium burn, and that neutrinos from thermal processes dominate otherwise.
Particle-in-cell Simulations of the Parallel Proton Firehose Instability Influenced by the Electron Temperature Anisotropy in Solar Wind Conditions
Authors: Micera A. , Boella E. , Zhukov A. N. , Shaaban S. M. , López R. A. , Lazar M. , Lapenta G.
Published: April 2020

In situ observations of the solar wind show a limited level of particle temperature anisotropy with respect to the interplanetary magnetic field direction. Kinetic electromagnetic instabilities are efficient to prevent the excessive growth of the anisotropy of particle velocity distribution functions. Among them, the firehose instabilities are often considered to prevent the increase of the parallel temperature and hence to shape the velocity distribution functions of electrons and protons in the solar wind. We present a nonlinear modeling of the parallel firehose instability, retaining a kinetic description for both the electrons and protons. One-dimensional (1D) fully kinetic particle-in-cell simulations using the energy conserving semi-implicit method (ECsim) are performed to clarify the role of the electron temperature anisotropy in the development of the parallel proton firehose instability. We found that in the presence of an electron temperature anisotropy, such that the temperature parallel to the background magnetic field is higher than the temperature in the perpendicular direction, the onset of the parallel proton firehose instability occurs earlier and its growth rate is faster. The enhanced wave fluctuations contribute to the particle scattering reducing the temperature anisotropy to a stable, nearly isotropic state. The simulation results compare well with linear theory. A test case of 1D simulations at oblique angles with respect to the magnetic field is also considered, as a first step to study the cumulative effect of protons and electrons on the full spectrum of instabilities.
Neutron Star Radius-to-mass Ratio from Partial Accretion Disk Occultation as Measured through Fe Kα Line Profiles
Authors: La Placa Riccardo , Stella Luigi , Papitto Alessandro , Bakala Pavel , Di Salvo Tiziana , Falanga Maurizio , De Falco Vittorio , De Rosa Alessandra
Published: April 2020

We present a new method to measure the radius-to-mass ratio (R/M) of weakly magnetic, disk-accreting neutron stars by exploiting the occultation of parts of the inner disk by the star itself. This occultation imprints characteristic features on the X-ray line profile that are unique and are expected to be present in low-mass X-ray binary systems seen under inclinations higher than ∼65°. We analyze a Nuclear Spectroscopic Telescope Array observation of a good candidate system, 4U 1636-53, and find that X-ray spectra from current instrumentation are unlikely to single out the occultation features owing to insufficient signal-to-noise. Based on an extensive set of simulations we show that large-area X-ray detectors of the future generation could measure R/M to ∼

% precision over a range of inclinations. Such is the precision in radius determination required to derive tight constraints on the equation of state of ultradense matter and it represents the goal that other methods also aim to achieve in the future.
The Fraction of Gamma-Ray Bursts with an Observed Photospheric Emission Episode
Authors: Acuner Zeynep , Ryde Felix , Pe’er Asaf , Mortlock Daniel , Ahlgren Björn
Published: April 2020

There is no complete description of the emission physics during the prompt phase in gamma-ray bursts. Spectral analyses, however, indicate that many spectra are narrower than what is expected for nonthermal emission models. Here, we reanalyze the sample of 37 bursts in Yu et al. by fitting the narrowest time-resolved spectrum in each burst. We perform a model comparison between photospheric and synchrotron emission models based on Bayesian evidence. We compare the shapes of the narrowest expected spectra: emission from the photosphere in a non-dissipative flow and slow cooled synchrotron emission from a narrow electron distribution. We find that the photospheric spectral shape is preferred by 54% ± 8% of the spectra (20/37), while 38% ± 8% of the spectra (14/37) prefer the synchrotron spectral shape; three spectra are inconclusive. We hence conclude that GRB spectra are indeed very narrow and that more than half of the bursts have a photospheric emission episode. We also find that a third of all analyzed spectra, not only prefer, but are also compatible with a non-dissipative photosphere, confirming previous similar findings. Furthermore, we notice that the spectra that prefer the photospheric model all have low-energy power-law indices α ≳ −0.5. This means that α is a good estimator for which model is preferred by the data. Finally, we argue that the spectra that statistically prefer the synchrotron model could equally as well be caused by subphotospheric dissipation. If that is the case, photospheric emission during the early, prompt phase would be even more dominant.
Astrophysical S(E) for the 9Be(p, d)8Be and 9Be(p, α)6Li Reactions by Direct Measurement
Authors: Zhang Qian , Huang Zhenglin , Hu Jun , Chen Bingjun , Hou Suqing , Wang Tieshan , Fang Kaihong
Published: April 2020

The p–9Be reactions play a key role in accurate prediction of the primordial abundance of beryllium, and its abundance can be used to exquisitely probe the nucleosynthesis and mixing mechanism of stars. In the present work, astrophysical S(E) factors of the 9Be(p, d)8Be and 9Be(p, α)6Li reactions have been obtained from the thick-target yield Yield(E
i) for proton energies from 18 to 100 keV. A full R-matrix analysis was performed to fit both the 9Be(p, α)6Li and 9Be(p, d)8Be reactions simultaneously. The resulting astrophysical S(E) factors agree well with direct measurements, leading to S(0) = 17.3 ± 2.1 and 13.9 ± 1.8 MeV·b for the 9Be(p, α)6Li and 9Be(p, d)8Be reactions, respectively. However, the obtained screening potential (U
s = 512 ± 77 eV) is lower than results of previous work (900 ± 50 and 806 eV), and all of them are larger than the adiabatic limit of 264 eV. The reaction rates were also calculated in the temperature range (0.01–1) ⨯ 109 K, which improves on the precision of the standard database NACRE and NACRE II.
The Molecular Data Organization for Publication (MDOP) R package to aid the upload of data to shared databases
Authors: Young Robert , Yu Jiaojia , Cote Marie-José , Hanner Robert
Published: April 2020

Molecular identification methods, such as DNA barcoding, rely on centralized databases populated with morphologically identified individuals and their referential nucleotide sequence records. As molecular identification approaches have expanded in use to fields such as food fraud, environmental surveys, and border surveillance, there is a need for diverse international data sets. Although central data repositories, like the Barcode of Life Datasystems (BOLD), provided workarounds for formatting data for upload, these workarounds can be taxing on researchers with few resources and limited funding. To address these concerns, we present the Molecular Data Organization for Publication (MDOP) R package to assist researchers in uploading data to public databases. To illustrate the use of these scripts, we use the BOLD system as an example. The main intent of this writing is to assist in the movement of data, from academic, governmental, and other institutional computer systems, to public locations. The movement of these data can then better contribute to the global DNA barcoding initiative and other global molecular data efforts.
La galerie des Batailles ou la fin de la « belle guerre »
Authors: James-Sarazin Ariane
Published: April 2020

Voulue par Louis-Philippe qui la dédia en 1837 « à toutes les gloires de la France », la galerie des Batailles à Versailles continue d’obéir, en plein mouvement romantique, aux canons plastiques et didactiques du beau tel que le théorisa en France au xvii e  siècle l’Académie royale de peinture et de sculpture. Pourtant, son projet muséographique apparaît à la fois comme l’apothéose et le dernier feu d’une double conception, tant historique qu’esthétique, désormais dépassée.
Elégante caserne
Authors: Assier-Andrieu Jean
Published: April 2020

Une caserne n’est pas un lieu où l’on cherche instinctivement l’harmonie et la beauté. Pourtant, certaines d’entre elles échappent à cette règle. Il suffit par exemple d’entrer dans un quartier de la Légion étrangère pour s’en convaincre. Plus largement, la vie militaire et la recherche de la beauté apparaissent comme deux nécessités humaines complémentaires. Le lieu où vivent les soldats joue un rôle fondamental dans leur art de vivre. Les ornements et les embellissements, le plus souvent apportés par les soldats eux-mêmes, sont autant de symboles et de mythes agissant sur le moral des troupes mais aussi sur une ville, une région, un pays. Les objets, les insignes, les mots et les noms gravés sur les monuments et les murs y sont aussi une façon de transmettre une mémoire à travers les générations. Finalement, la beauté d’une caserne constitue une part de la contrepartie symbolique à l’engagement militaire.
La beauté discrète de l’armée française
Authors: Tournier Jacques
Published: April 2020

Dès lors que les armées se présentent avant tout comme des « machines de guerre » focalisées sur la performance opérationnelle, envisager qu’elles puissent revêtir une certaine forme de beauté semble quelque peu incongru. Pourtant, s’agissant de l’armée française, le fait qu’elle soit, plus que jamais, imprégnée par une éthique fondée sur un souci scrupuleux de la vie humaine et de la dignité de l’homme lui confère une sorte de supplément d’âme qui, transparaissant derrière sa puissance, lui donne de rayonner d’une ineffable beauté intérieure.
Musique derrière le rideau de fer
Authors: de Kaniv Nathalie
Published: April 2020

Si l’ underground musical des pays d’Europe centrale sous domination soviétique se défend tout d’abord de tout engagement politique, les répressions le rapprochent toutefois rapidement des cercles de la dissidence. Il joue incontestablement un rôle libérateur au sein des mouvements protestataires des années 1960, ainsi que dans la période de la fin du communisme. À tel point que la musique accompagne largement le mouvement de libération de 1989.
Risk Factors for Wound Complications After Periprosthetic Fractures
Authors: Kamara Eli , Berliner Zachary P. , Cooper H. John
Published: April 2020

The number of hip and knee arthroplasties performed annually continues to rise. Revision rates are projected to increase by 137% to 601%, with periprosthetic fractures to be among the leading cause of revision. Wound complications following surgical treatment of periprosthetic fractures are a major source of patient morbidity and health care costs. This study evaluated risk factors for wound healing complications in patients undergoing surgical management of periprosthetic fractures around the hip and knee. This was a retrospective analysis of 67 consecutive lower-extremity periprosthetic hip and knee fracture surgeries. Descriptive data, comorbidities, dressing type, and rates of wound complications treated nonoperatively and operatively were collected. Logistic regression analysis was performed to calculate odds ratios (ORs) of having a wound complication. There was an overall wound complication rate of 22%; the majority of these complications (16%) were treated operatively. On multivariate analysis, prior bariatric surgery (OR, 12.02; 95% confidence interval [CI], 1.24–116.71;
P
=.03), peripheral vascular disease (OR, 6.84; 95% CI, 1.32–35.39;
P
=.02), and pulmonary disease (OR, 11.23; 95% CI, 1.85–68.31;
P
=.01) were all associated with an increased risk of developing a wound complication. Closed-incision negative-pressure therapy was associated with a decreased risk of developing a wound complication (OR, 0.04; 95% CI, 0.00–0.49,
P
=.01). Surgery to treat hip and knee periprosthetic fractures is associated with a high rate of wound complications. History of bariatric surgery, peripheral vascular disease, and pulmonary disease are all associated with an increased risk of developing a wound complication. Future payment models should reflect this elevated level of complications and risk. [
Orthopedics
. 2020;43(4):e258–e262.]
Hospital Stays and Medical Expenses Increase Nationwide Among Patients With Septic Arthritis of the Shoulder Who Inject Drugs
Authors: Toppo Alexander J. , Oh David H. W. , Tybor David J. , Wurcel Alysse G. , Menendez Mariano E. , Ryan Scott P. , Salzler Matthew J.
Published: April 2020

The authors determined the proportion of patients nationwide with septic arthritis of the shoulder who inject drugs, evaluated differences in hospitalization outcomes and charges between patients with and without injection drug use (IDU), and quantified demographic trends among patients with IDU from 2000 to 2013. Nationally representative data of patients with a principal discharge diagnosis of shoulder septic arthritis were obtained from the Nationwide Inpatient Sample 2000–2013. Using published algorithms, the authors classified septic arthritis of the shoulder as related or unrelated to IDU. They compared length of stay, leaving against medical advice, number of procedures, and mortality rates between the 2 groups, using regression models to control for age, sex, and race. Fifteen percent (95% confidence interval [CI], 13.6%–16.5%) of septic arthritis cases were associated with IDU. From 2000 to 2013, shoulder septic arthritis associated with IDU increased 4-fold. After controlling for age, sex, and race, individuals who inject drugs stayed in the hospital for 3.7 more days (95% CI, 2.4–5.0), incurred an average of $13,250 more charges for medical care (95% CI, $2635–$23,866), and were 5.54 times more likely (95% CI, 3.22–9.55) to leave against medical advice than those without IDU. From 2000 to 2013, there was an increase in the proportion of patients with IDU-related septic arthritis of the shoulder between 35 and 54 years old and 55 and 64 years old, and an increase in the proportion who were white. Injection drug use–related shoulder septic arthritis is linked to suboptimal inpatient outcomes and greater resource use. [
Orthopedics
. 2020;43(4):e270–e277.]
Dynamic properties of VDP-CPG model in rhythmic movement with delay
Authors: Liu Liqin ,   Department of Mathematics, Northeast Forestry University, Harbin 150040, China, Zhang Chunrui
Published: April 2020

In this paper, Van Der Pol (VDP) oscillators are used as the output signal of central pattern generator (CPG), and a VDP-CPG network system of quadruped with four primary gaits (walk, trot, pace and bound) is established. The existence conditions of Hopf bifurcations for VDP-CPG systems corresponding to four primary gaits are given, and the coupling strength ranges between oscillators for four gaits are obtained. Numerical simulations are used to support theoretical analysis.
12. letno srečanje Združenja za slovansko jezikoslovje / 12th Slavic Linguistics Society Annual Meeting / XII ежегодная конференция Общества славянского языкознания
Authors: Repanšek Luka , Šekli Matej
Published: April 2020

The 12th Slavic Linguistics Society Annual Meeting organised by the Fran Ramovš Institute of the Slovenian Language (Research Centre of the Slovenian Academy of Sciences and Arts), Department of Slavistics, Department of Slovenian Studies and the Department of Comparative and General Linguistics (Faculty of Arts, University of Ljubljana) held in Ljubljana between 21 and 24 September 2017 hosted a remarkable 100-odd Slavicists from Northern America, Europe, Russia, South Korea and Japan. The multifariousness of linguistic enquiry and methodology characterising the resultant book of abstracts celebrates the overall importance and responsibility of methodological pluralism that is the driving force behind the constructive dialogue fostered at any scientific meeting.
Intervjuji in polemike
Authors: Toporišič Jože
Published: April 2020

Prvi del knjige tvorijo vsi večji intervjuji, v katerih akademik Toporišič predstavlja svojo življenjsko ter poklicno pot. V drugem delu so obravnavana glavna pravopisna vprašanja, ki so bila zasnovana kot kritika starih pravopisnih pravil, sledijo pa javna razprava ob izidu Načrta pravil za novi slovenski pravopis (1981), zbrani odgovori na odzive javnosti ob izidu pravil leta 1991 in poznejših izdajah, predvsem pa obsežni in natančni odgovori na posamezna vprašanja in kritične odzive strokovne javnosti ob izidu pravopisnega slovarja leta 2001.
Two Collaborative Projects for Coroplastic Research, V. The Work of the Academic Years 2018–2019
Authors: Muller Arthur , Uhlenbrock Jaimee
Published: April 2020

An international team of 7 researchers has been meeting biannually to collaborate on two projects that are envisaged as aids for coroplastic research. The first is provisionally titled The Handbook for Coroplastic Research, a tool designed for those new to the field of coroplastic studies. The second project has been nicknamed “Winter On-Line.” This concerns the creation of a searchable version of Franz Winter, Die Typen der figürlichen Terrakotten, (1903), in a wiki format
Recent Papers on Coroplastic Topics
Authors: Studies Association for Coroplastic
Published: April 2020

The following is a list of recent conference papers dedicated to coroplastic topics.
Impressive Finds at Achlada, Florina
Authors: Newsroom Archaeology
Published: April 2020

An archaic grave in Achlada, Florina, in Macedonia contained an unusual statuette of a sphinx holding a lyre, along with East Greek terracottas
Twenty-three arrests and around 10,000 cultural items seized
Authors: Newsroom Europol
Published: April 2020

On 18 November 2019, an international police operation involving over 350 police officers, supported by Europol (within the framework of EMPACT) and Eurojust, dismantled an international organized crime group involved in large-scale trafficking of looted archaeological items resulting in the arrest of 23 individuals, 80 house searches, and the seizure of around 10,000 cultural items, including hundreds of figurative terracottas.
Strength Possibilities on Fly ash Based Interlock Pavers
Authors: Kuckian Sachin , Dalvi Aaqib
Published: April 2020

Interlocking Concrete Block Pavement (ICBP) poses as the most suitable alternative to traditional pavement construction techniques. This is because of the increased advantages in countries wherein durability, and operational or environmental constraints limit the efficiency of the conventional process. The construction industry everywhere faces problems and significant challenges including manpower, quality of productivity, preservation of the environment, mass transportation, water management, raw materials, durability and design life of construction products, chemical resistance, etc. The increased expense on the raw materials for construction is the primary focus of the study. The study aims to search for suitable alternatives that would allow sustainable development. The study emphasizes on the rising costs of construction materials and the necessity to work towards sustainability, alternative construction techniques and materials. Indigenous production of interlocks with mineral admixtures raises the potential applicability of the interlock pavers. To enhance the strength property and keeping sustainability in point of view, fly ash is used as a mineral admixture and partially replaced with cement in various proportions like 0%, 5%, 10%, 15%, 20%, 25%, 30% and 35%. Fourty eight interlock concrete paver blocks were cast and compressive strength for all specimens was calculated and later compared. A notable rise in the strength of the interlock pavers was observed at 15% and 20% replacement levels with fly ash. The optimum level for replacement was determined as 20% of the fly ash.
Optimum Process of Pipeline Selection in Water Distribution Network: Case Study
Authors: Mukherjee Biprodip , Das Subhasish , Maity Sankar Prasad
Published: April 2020

This research deals with a case study of clear water rising pumping main to supply drinking water in Adityapur Municipality, Jharkhand, India. Pipes are important and most cost bearing entity in a water pipeline distribution network. Hence proper selection of pipe is most challenging job to pipeline designers. This study shows about various processes involved in order to get an optimum design in respect to the selection of pipes using WaterGEMS software. A 60 MLD Subarnarekha Water Supply Scheme (WSS) is been considered where two numbers 30 MLD pumps with 40 m rated head have been proposed on the basis of two working and two standby modes to fulfill the demand of drinking water. Mainly cost variation is compared due to change in pipe diameter in relation with energy cost against this WSS. As per the data received, the inputs were incorporated and accordingly the results are interpreted. The whole considered network consists 37 pipes and 10 junctions. Various system outputs are been reflected for steady state simulations. An extended period simulation has also been carried out to compute filling time of all tanks according to their water demands. The pumping energy cost comparison is also reflected when a 1200 mm diameter of pipeline is been replaced with 1000 mm pipeline that runs for 4.173 km. This study is an effort to open up the process of cost optimization in pressure pipeline network for implementation in various water supply schemes.
Improving the Stability of Optimal Control Systems for Thermal Processing
Authors: Velichkin Vladimir Aleksandrovich
Published: April 2020

The article presents the results of the analysis different methods to enhance theaccuracy, sustainability and energy efficiency of automatic control systems. Shows the constraints on the possibility of increasing the accuracy and stability of automatic control systems. The necessity of the use of self-tuning systems for control of nonstationary objects, which include the installation of thermal processing of building materials and products. Theblock diagram of the analytical self-tuning system optimal reference model.
Mechanical Properties of Experimental Non-Latex Orthodontic Elastic Bands
Authors: Malanon Sasatorn , Dechkunakorn Surachai , Anuwongnukroh Niwat , Sea-Oui Pongdhorn , Thaptong Puchong , Wicha Wassana
Published: April 2020

. Elastics, a source of continuous orthodontic force, are divided into two types, latex and non-latex, which are made from natural rubber and synthetic rubber, respectively. The major advantage of natural latex elastics is its resiliency to intraoral tractive forces. However, as the incidence of allergic reactions to natural latex has become more widely recognized, non-latex orthodontic elastics have been developed as an alternative. The aim of this study is to investigate the in vitro mechanical properties of Thai non-latex orthodontic elastics as compared to commercially available products. 30 samples of each two Thai non-latex elastics (MTEC1, MTEC2) and two commercial elastics (AO, GAC) with a specified diameter of ¼ inches were used. Width, cross-sectional thickness (CT), and internal diameter (ID) of all samples were measured. Mechanical tests were then carried out to determine the initial extension force (F0), 24-hour residual force (F24), and percentage of force decay. The data were analyzed with one-way ANOVA and Tukey’s test (p < 0.05). Statistically significant differences in elastic width among all four groups except between the Thai non-latex groups (MTEC1 and MTEC2) were found. AO elastics showed the greatest CT followed by GAC, MTEC2 and MTEC1. ID was significantly highest in GAC elastics and lowest in MTEC1 elastics. Although MTEC1 elastics had the lowest F0, the force still falls within the acceptable range for tooth movement (100-250g or 0.981–1.471N). MTEC2 elastics had the greatest F24 and also the lowest percentage of force decay followed by MTEC1, GAC, and AO elastics, which displayed the highest force decay, though no significant differences were found between the two commercial elastics. Thai non-latex elastics are suitable for orthodontic tooth movement due to its lower percentage of force decay after 24 hours.
Algorithm of Calculation of Indicators of an Assessment of Conformity of Functions of the City to Standard Values of Parameters
Authors: Gordon V.A. , Bakaeva Natalia V. , Zuleta D.P. , Pavlova U.Y.
Published: April 2020

In this paper, we consider a computational algorithm that allows us to follow specific sequences in order to meet the needs of the population in a residential area. As an integral indicator, the degree of satisfaction of the needs of the population is used, which characterizes the actual level of consumption of any services in comparison with the norm of their rational consumption. The theoretical premise of the study was the fundamental principle of urban development of a favorable environment for human development. The methodological basis of the study was a vector representation of the state of the system.
Evaluation on the Air Permeability Properties of the Mainstream Sportswear Brands
Authors: Lam Man Ting , Wang Wen Yi , Kan Chi Wai , Udon Somchai , Manarungwit Kasem , Mongkholrattanasit Rattanaphol
Published: April 2020

The present study investigated the air permeability of three representative sportswear brands products (OUDIKE, NIKE and an unknown brand bought from the boutique) in Hong Kong marketplace. It was found that NIKE sportswear had the highest air permeability (0.23kPa*s/m) among the samples, which indicates that it allows more air flow passing through the textile and provides good comfort property to wearer, while OUDIKE samples showed the lowest air permeability in capacity (0.08kPa*s/m). The fiber content and fabric structure may be the reason that affects the air permeability. This study would provide a comparative information about air permeability property of the mainstream sportswear brands product in Hong Kong market.
Establishment of Artificial Accelerogram for Structural Analysis according to the Earthquake Characteristics of Vietnam
Authors: Nguyen Vo Thong , Hoang Manh
Published: April 2020

This paper presents the method of establishing artificial accelerogram for analysis and calculation of structures in accordance with seismic characteristics and earthquake risk in one specific construction areas in Vietnam. The artificial accelerogram allow to analyze nonlinear or linear dynamic behavior of the structures in time series in accordance with Vietnam National Standards for Design of structures for earthquake resistances (TCVN 9386: 2012) and seismic parameters specified in Vietnam Building Code on Natural Physical and Climatic Data for Construction (QCVN 02:2009-BXD). The accelerograms are also used as input parameters for shaking table tests by Vietnam's most modern sharking table at the Vietnam Institute for Building Science and Technology.
Risk Assessment and Management for Lightweight Steel Structure Construction for Industrial and Residential
Authors: Chou Chung Chyi , Ko Chung Yi , Hsiao Li Kai , Ho Yu Tsung , Ou Yu Chih
Published: April 2020

Lightweight steel structure buildings are a special type of illegal building in Taiwan. There are many different types of these illegal structures in Taiwan used for various purposes. The number of factories operating in one of these illegal lightweight steel buildings alone is as high as 130,000 according to the 2017 statistics. The construction of such structures is easy, fast, and the cost is low, which is why they are widely accepted by the people.[1] The materials of a lightweight steel structure are mostly steel or C-shaped steel. When this type of steel structure is exposed to temperatures above 600 °C, the structure will begin to break and bend, causing deformation and eventually collapse. Additionally, the rapid growth of the fire, the lack of establishment on fire zones, and a fierce fire, etc., all present more challenges for onsite employees to extinguish the initial fires as well as the later fire rescue attempt by firefighters. In recent years, fatal fire incidents have been rampant, causing deaths and injury to foreign workers, highlighting fire safety issues. Therefore, “whether worker accommodation should be separated from the factory” is the subject of this paper. This study is aimed at the statistical survey of lightweight steel structures for industrial and residential use (current status): using data from project investigations to present the site overview and hazard risk factors. Risk assessment for buildings with accommodation inside the factory (validation): through the statistical survey data (34 of the 188 surveyed have accommodations inside the factory, a ratio of 18.1%), the hazard risk is assessed, and the potential risks are analyzed. Fire simulation on buildings with accommodation inside the factory (hazard): use fire simulation to analyze the effective evacuation time with residential fire alarms. To develop a disaster reduction strategy based on the results of the parametric analysis of this study for buildings with accommodation inside the factory (improvement): utilizing factory fire prevention analysis, factory symposium, fire prevention announcement, fire equipment inspection and maintenance, etc., to achieve disaster reduction. Based on the results of the parametric analysis of this study, we will develop an accommodation and disaster reduction strategy (improvement): use plant fire prevention diagnosis, factory symposium, fire prevention announcement, fire equipment inspection and maintenance, etc., to achieve disaster reduction.
Framework for Sustainable Procurement - Identifying Elements for Construction Works
Authors: Wirahadikusumah Reini , Abduh Muhamad , Messah Yunita
Published: April 2020

Sustainable procurement has been considered an opportunity for improving the environmental performance of the construction industry. The development of sustainable procurement in Indonesia is still in its initial phase. Therefore, a framework is needed to establish an outlook to explore the enablers and barriers for promoting sustainable procurement in the construction industry. In the formulation of the framework, the first step is to identify the important elements. The approach was explorative-descriptive. Based on ISO 20400, as the guidelines for sustainable procurement, and literature on sustainable procurement for construction works, a list of elements was gathered. In-depth interviews were conducted to identify the most significant elements for the Indonesian construction public procurement context. Respondents included procurement experts from the government agency, (i.e., the National Public Procurement Agency and the Ministry of Public Works and Housing), academics, and procurement specialists who are the members of the Indonesian Procurement Professionals Association. Results suggest that all elements contained in ISO 20400 are relevant with the kinds of literature on construction works; also, Indonesian respondents agreed with all the identified elements ranging from “important” to “very important.” This finding will be subsequently used to further understand the complex cause-effect relationships among the important elements in developing the framework for sustainable construction public procurement.
Study of the Adhesion Strength of Plasma-Sprayed Coatings Using Statistical Methods
Authors: Kuleshov Nikolay , Dolgov Nikolay , Smirnov Igor , Vinogradov Leonid , Shestakov Vladimir
Published: April 2020

The adhesion strength of plasma-sprayed ceramic coatings was studied. Alumina powder was used for plasma spraying. A titanium oxide Nano powder with a particle size of 40-50 [nm] was used as a modifier. The optimal conditions of plasma spraying of coatings are established. The adhesion strength was used as an optimization criterion. Coating adhesion was determined by tensile adhesion testing. A mathematical model is obtained that allows one to determine the effect of spraying conditions (lens current, arc current, and the position of the solenoid relative to the nozzle) on the adhesion strength.
Potential-Magnetic Composite of Fe3O4/Activated Carbon from Palm Oil Shell
Authors: Allwar Allwar , Apriliani Gusti D. , Wokas Fairus M. , Saputri Eka Y.
Published: April 2020

Composite of Fe3O4/activated carbon was synthesized from activated carbon by mixing with Fe(II) and Fe(III) using ethanol and treated with hydrothermal process at 250°C for 2 hours. Previous treatment, activated carbon was prepared from palm oil shell using potassium hydroxide as a chemical activation and pyrolyzed at 500°C for 3 hours. Surface area composite of Fe3O4/activated carbon is 8.05 m²/g. However, the X-ray diffraction analysis shows that Fe3O4/activated carbon has crystalline phase which tend to amorphous phase. Characterization using FTIR show that the composite has Fe-O on 557 cm-1. The Composite of Fe3O4/activated carbon has been successfully synthesized.
A Study on Eco-Concrete Incorporating Fly Ash and Blast Furnace Slag in Construction in Vietnam
Authors: Nguyen Thanh Sang , Nguyen Thanh Sang
Published: April 2020

Fly ash and ground granulated blast furnace slag (GGBFS) is a green construction material used to produce durable concrete. Experimental research on eco-concrete uses incorporating cement, fly ash and GGBFS. Fly ash and GGBFS replace different cement content by weighing, evaluating the workability, mechanical properties and durability of eco-concrete. The results also show that combining fly ash and GGBFS in concrete can create compressive strength concrete of 55MPa while the amount of cement used for 1m3 of co-concrete does not exceed 300 kilograms, the research also judges the water absorption, the chloride penetration resistance at 28 days with 30% replacement of GGBFS.
Balancing geo-privacy and spatial patterns in epidemiological studies
Authors: Chen Chien-Chou , Chuang Jen-Hsiang , Wang Da-Wei , Wang Chien-Min , Lin Bo-Cheng , Chan Ta-Chien
Published: April 2020

To balance the protection of geo-privacy and the accuracy of spatial patterns, we developed a geo-spatial tool (GeoMasker) intended to mask the residential locations of patients or cases in a geographic information system (GIS). To elucidate the effects of geo-masking parameters, we applied 2010 dengue epidemic data from Taiwan testing the tool’s performance in an empirical situation. The similarity of pre- and post-spatial patterns was measured by D statistics under a 95% confidence interval. In the empirical study, different magnitudes of anonymisation (estimated Kanonymity ≥10 and 100) were achieved and different degrees of agreement on the pre- and post-patterns were evaluated. The application is beneficial for public health workers and researchers when processing data with individuals’ spatial information.
Spatiotemporal transmission and socio-climatic factors related to paediatric tuberculosis in north-western Ethiopia
Authors: Alene Kefyalew Addis , Viney Kerri , McBryde Emma S. , Clements Archie C.A.
Published: April 2020

The burden of tuberculosis (TB) in children reflects continuing and recent transmission within a population. This study aimed to identify spatiotemporal and socio-climatic factors associated with paediatric TB in north-western Ethiopia. Multivariate Poisson regression models were computed using a Bayesian framework. Estimates of parameters were generated using Markov chain Monte Carlo simulation. A total of 2,240 children aged under 15 years diagnosed with TB during the years 2013- 2016 were included in the analysis. The annual TB incidence rates were 44 and 28 per 100,000 children, for children aged under 15 and 5 years, respectively. Spatial clustering of TB was observed in the border area of north-western Ethiopia. The spatio-temporal transmission of childhood TB was found to be associated with district level socio-climatic factors such as urbanisation [relative risk (RR): 1.8; 95% credible interval (CrI): 1.2, 2.6], lower educational status (RR: 1.5; 95% CrI: 1.0, 2.1), a high percentage of internal migration (RR: 1.3; 95% CrI: 1.0, 1.6), high temperature (RR: 1.3; 95% CrI: 1.0, 1.7) and high rainfall (RR: 1.5; 95% CrI: 1.1, 2.0). We conclude that interventions targeting hotspot districts with a high proportion of childhood TB are important to reduce TB transmission in northwest Ethiopia.
A 24-year exploratory spatial data analysis of Lyme disease incidence rate in Connecticut, USA
Authors: Mollalo Abolfazl , Blackburn Jason K. , Morris Lillian R. , Glass Gregory E.
Published: April 2020

Despite efforts to control Lyme disease in Connecticut, USA, it remains endemic in many towns, posing a heavy burden. We examined changes in the spatial distribution of significant spatial clusters of Lyme disease incidence rates at the town level from 1991 to 2014 as an approach for targeted interventions. Lyme disease data were grouped into four discrete time periods and incidence rates were smoothed with Empirical Bayes estimation in GeoDa. Local clustering was measured using a local indicator of spatial autocorrelation (LISA). Elliptic spatial scan statistics (SSS) in different shapes and directions were also performed in SaTScan. The accuracy of these two cluster detection methods was assessed and compared for sensitivity, specificity, and overall accuracy. There was significant clustering during each period and significant clusters persisted predominantly in western and eastern parts of the state. Generally, the SSS method was more sensitive, while LISA was more specific with higher overall accuracy in identifying clusters. Even though the location of clusters changed over time, some towns were persistently (across all four periods) identified as clusters in LISA and their neighbouring towns (three of four periods) in SSS suggesting these regions should be prioritized for targeted interventions.
Spatial-temporal analysis of prostate cancer incidence from the Pennsylvania Cancer Registry, 2000-2011
Authors: Wang Ming , Matthews Stephen A. , Iskandarani Khaled , Li Yimei , Li Zheng , Chinchilli Vernon M. , Zhang Lijun
Published: April 2020

Prostate cancer is the most common cancer diagnosed among males, and the incidence in Pennsylvania, USA is considerably higher than nationally. Knowledge of regional differences and time trends in prostate cancer incidence may contribute to a better understanding of aetiologic factors and racial disparities in outcomes, and to improvements in preventive intervention and screening efforts. We used Pennsylvania Cancer Registry data on reported prostate cancer diagnoses between 2000 and 2011 to study the regional distribution and temporal trends of prostate cancer incidence in both Pennsylvania White males and Philadelphia metropolitan area Black males. For White males, we generated and mapped county-specific age-adjusted incidence and standardised incidence ratios by period cohort, and identified spatial autocorrelation and local clusters. In addition, we fitted Bayesian hierarchical generalised linear Poisson models to describe the temporal and aging effects separately in Whites state-wide and metropolitan Philadelphia blacks. Incidences of prostate cancer among white males declined from 2000-2002 to 2009-2011 with an increasing trend to some extent in the period 2006-2008 and significant variation across geographic regions, but less variation exists for metropolitan Philadelphia including majority of Black patients. No significant aging effect was detected for White and Black men, and the peak age group for prostate cancer risk varied by race. Future research should seek to identify potential social and environmental risk factors associated with geographical/racial disparities in prostate cancer. As such, there is a need for more effective surveillance so as to detect, reduce and control the cancer burden associated with prostate cancer.
INTRODUZIONE AL CONVEGNO
Authors: Cavagnini Francesco , Martini (â€ ) Luciano
Published: April 2020

Non disponibile.
Cardiomyopathy caused by avocado (Persea Americana Mill) leaves
Authors: Grant Rina , Bassson P. A. , Booker Hellen H. , Hofherr J. B. , Anthonissen M.
Published: April 2020

Six of 21 goats feeding on fresh avocado (Persea americana) leaves from pruned trees, showed clinical signs of cardiac distress. Some sheep subsequently dosed experimentally at different dosage rates with the same and other avocado varieties, showed clinical signs of respiratory or cardiac distress and myocardial lesions at autopsy.
Use of the cardiopulmonary flow index to evaluate cardiac function in Thoroughbred horses
Authors: Guthrie A. J. , Killeen Valerie M. , Mülders Maria S.G. , Grosskopf J. F.W.
Published: April 2020

The ratio of the cardiopulmonary blood volume to stroke volume is called the cardiopulmonary flow index (CPFI). The CPFI can be determined indirectly from the simultaneous recording of a radio cardiogram and an electrocardiogram. The CPFI and cardiac output were measured simultaneously in horses (n = 10) that were diagnosed as having cardiac disease. The diseased subjects were probably all exposed to feed contaminated with the ionophore, salinomycin, and all showed clinical signs indicative of chronic toxic myocarditis. The results obtained from these subjects were compared with those from control animals and significant differences (P 0,05) were found between the mean CPFI of the control horses and those with macroscopically visible myocardial fibrosis on post mortem examination. No significant differences were found between the means of the cardiac output measured in either of the groups of horses. The effect of pharmacological acceleration of the heart rate on the CPFI was also studied. Significant differences (P 0,05) were found between the mean CPFI and the slopes of the regression lines of CPFI on heart rate of the control and principal groups of horses. These differences were greatest at heart rates near to the resting heart rates of the individuals. The CPFI was found to be a more sensitive measure of cardiac function than cardiac output, in the horses.
Colonic Metastases from a Luminal A Type Invasive Ductal Carcinoma Breast: A Rare Case Report
Authors: Sehrawat Amit , Kotwal Sumedha Ahal , Gupta Deni
Published: April 2020

Metastatic carcinoma breast involving hepatobiliary system and peritoneum is a common and well-described entity. However, colonic luminal involvement by breast metastases is rare and its early recognition is important for accurate management planning. We report a case of an elderly woman with luminal A type invasive ductal carcinoma (IDC) breast, initially controlled/stabilized on hormonal treatment and later progressed to involve colon presenting with intestinal obstructive symptoms. Lobular carcinoma breast which constitutes around 10% of breast cancers is more likely to have gastrointestinal tract (GIT) involvement. On the other hand, GIT metastasis from IDC breast is quite rare. Given the progressively increasing survival with current and forthcoming novel treatment modalities, it is very important to recognize and understand unusual presentation of metastatic breast cancer, such as colonic metastasis, for timely treatment planning and implementation.
Expression of Human Epidermal Growth Factor Receptor 2 in Meningiomas
Authors: Ramezani Mazaher , Firoozabadi Hanieh , Rezaei Mansour , Khazaei Sedigheh , Sadeghi Masoud
Published: April 2020

Background: Meningiomas consist of 15%–30% of the primary intracranial tumors, and high-grade meningiomas have a higher recurrence after surgery. The human epidermal growth factor receptor 2 (HER2) status is important in the medical management of patients with various human cancers. This study aimed to evaluate HER2 expression in meningiomas and the correlation between this expression and age, gender, and grade. Materials and Methods: In a descriptive-analytic study, immunohistochemistry (IHC) with HER2 marker was done on confirmed cases of meningioma which were referred to the pathology laboratory from 2008 to 2015. The primary antihuman antibody against c-erbB-2 oncoprotein (DAKO Diagnostics) was used for IHC. Results: Of 117 patients, 68.4% were males. The mean age of the patients was 53.6 years. Grades I, II, and III tumors were 90.6%, 8.5%, and 0.9% of cases, respectively. Totally, 76 (65%) of patients were HER2 positive, with only 7.7% of highly expressed HER2. There was no significant correlation between the mean age (P = 0.672), age group (P = 0.256), sex (P = 0.574), and grade (P = 0.093) and HER2 expression status. Conclusions: We did not find a statistically significant correlation between age, sex, or grade and HER2 status; however, further studies with a higher number of Grades II and III meningiomas and using the fluorescent in situ hybridization in equivocal cases may be of benefit in this way.
Trastuzumab: A Milestone in Human Epidermal Growth Factor Receptor 2-Positive Breast Cancer
Authors: Dhanushkodi Manikandan
Published: April 2020

Human epidermal growth factor receptor 2 (HER2) overexpression is seen in 25% of breast cancers. Patients with HER2-positive breast cancer have aggressive disease and inferior survival. HER2 overexpression is assessed by immunohistochemistry or fluorescent in situ hybridization-based methods. Trastuzumab has shown to improve survival in HER2-positive breast cancer. It is recommended in patients with >T1c for 1-year duration in adjuvant setting, preferably given concurrently with taxane.