bluuebunny/crossref_metadata_2025_split huggingface dataset:
El desarrollo de la agricultura orgánica urbana en los espacios acompañantes de la vivienda: una alternativa viable
Authors: Reyes Enrique Martínez , Naranjo Valdés Medardo , Hernández Rodríguez Marcelino 
Published: April 2019

El estudio realizado se enmarcó en el área de la agroecología, con el fin de incursionar el tema de la agricultura orgánica sostenible en las condiciones urbanas familiares, haciendo uso de pequeños espacios y demostrando las potencialidades que este tipo de producción puede alcanzar y significar para un numeroso grupo de familias. Es conocido en la actualidad, el crecimiento rápido y continúo de la población urbana y sus alrededores, y su tendencia en los años venideros de continuar incrementándose, unido a ello, la escasez de alimentos, elevados índices de hambre y pobreza, disminución de opor- tunidades de empleo, la ruralización de zonas urbanas, obliga de manera no postergable en la búsqueda de alternativas de producciones agrícolas que ayuden a satisfacer esas demandas de la población. Los resultados positivos de este proyecto, obtenidos en la producción de un gran número de especies de vegetales (hortalizas, aromáticas condimentosas y frutales), plantas ornamentales y de abonos orgánicos, desarrollados en espacios pequeños de las viviendas y con el empleo de técnicas variadas de cultivo, se convierten en fuentes generadoras de alimentos frescos y sanos, libres de contaminantes, se reciclan materiales orgánicos y se promueve una cultura educativa en la producción de bienes familiares.
Análisis del comportamiento de consumo de las ciudades de Tulcán (Ecuador) e Ipiales (Colombia), como oferentes y demandantes fronterizos
Authors: Quinde Sari Freddy Richard , García Ibarra Verónica Janneth 
Published: April 2019

Esta investigación, es un paso para apreciar de manera científica los cambios y tendencias que operan en el sector comercial de las ciudades fronterizas de Tulcán e Ipiales. Se analizó el comportamiento de consumo de los demandantes fronterizos que por las condiciones par- ticulares del entorno socio económico en frontera, se ha creado un escenario temporalmente favorable para los comerciantes de Ipiales. Independiente de a quien favorezca, ambas, de- ben contar con información que les permita el diseño de acciones comerciales estratégicas que mantengan, promuevan y dinamicen el consumo en frontera A partir de este estudio descriptivo sobre las variables de quién, qué, cuándo, dónde compra y cómo compran, se establecen algunos de los retos que deberán enfrentar los comerciantes de Tulcán e Ipiales. Está en ellos es de ser los gestores de nuevas estrategias de marketing, oportunas, pertinentes al contexto de consumo en frontera, a través de una estructura inte- grada y centrada en criterios de conocimientos científicos por encima de la simple capaci- tación en atención al cliente. Prospectivamente, con un enfoque al avance sostenido de las áreas del conocimiento del comportamiento de consumo en frontera buscando la lealtad y el uso repetido al local comercial, a través de la capacitación pertinente, en primera instancia a los administradores y en segunda al personal en contacto con el consumidor, circunscritos en el desarrollo de técnicas que promuevan características de empatía con el consumidor. En cumplimiento de esta responsabilidad social, la UPEC a través del Centro de Investiga- ción, Transferencia Tecnológica y Emprendimiento, CITTE, en convenio con las Cámaras de Comercio de Tulcán e Ipiales, ejecutaron esta investigación en frontera recopilando infor- mación de: Ipiales y Tulcán, como ciudades urbanas de mayor incidencia comercial en la zona norte de Ecuador y sur de Colombia. Información recopilada en 1091 establecimientos comerciales y 744 consumidores fronterizos. La información compilada, incluye datos gene- rales del establecimiento comercial y del consumidor extranjero; las características de sos- tenibilidad del establecimiento y del consumidor una caracterización por tipo de producto que adquiere en frontera. Estos datos permiten, una visualización en el caso del consumidor por cada variable de comportamiento de consumo y para el caso de los locales comerciales por las variables de tipo de producto, precio, plaza y promoción.Las acciones realizadas para el logro de esta información favorecen a la comunidad comercial de frontera, son un referente valorativo del compromiso de responsabilidad social en la UPEC, se registran como concordantes con el principio de educación para la integración, por lo que se ad- jetivan como pertinentes y resultan como eficientes y propias a las expectativas de la comunidad.
La economía circular en Francia: una aproximación desde la economía institucional
Authors: Doussoulin Jean Pierre 
Published: April 2019

En los últimos siglos, nuestro modelo de negocio ha sido muy productivo y altamente glo- balizado, el cual ha generado un grave impacto en el sistema geofísico del planeta. Algunos investigadores han llamado este periodo de cambios como Antropoceno (Crutzen, 2002). Este contexto requiere, entre otros, la reconciliación entre las ciencias sociales y naturales, basado en una perspectiva global. Esto implica que el enfoque de la gestión de los ecosistemas y de los recursos naturales, no solamente centrado en los componentes del sistema, sino también en sus relaciones e interacciones, ahondando en que algunos de estos flujos poseen un componente circular. Para investigar esta perspectiva institucional en este artículo, se presenta un estado del arte sobre la economía institucional, centrándose en los NEI (nueva economía institucional) lo cual nos dará una ruta crítica para el análisis de los derechos de propiedad de los bienes comunes, lo cual nos permitirá realizar una reflexión sobre la cuestiones político-económi- cas relacionadas a un flujo circular.
Chitosan Nanogel Design on Gymnema sylvestre Essential Oils to Inhibit Growth of Candida albicans Biofilm and Investigation of Gene Expression ALS1, ALS3
Authors: Akbari Sepideh , Bayat Mansour , Roudbarmohammadi Shahla , Hashemi Jamal 
Published: April 2019

Chitosan (CS) is a polycation with a pka of about 6.3 with a charge density dependent on pH and the %DA-value which can interact with polyanions to form complex and gels. Nanoparticles (CNPs) in addition can increase the antifungal potential of bioactive compounds like essential oils by increasing cellular interactions between them and the fungal as a result of the very small size that enhances cellular uptake. In this study, was set to investigate the encapsulation of the Gymnema sylvestre essential oils (G.EOs) using Chitosan and Myrestic acid made Nanogel in order to enhance its antifungal activity and stability to the oil against C. albicans strain (ATCC 10231). To procedure this, the self-assembled process of Chitosan and Myrestic acid Nanogel (CS-MA) through the 1- ethyl - 3- (3 dimethyl aminoprophyl) carbodiimide (EDC) was designed. Its physicochemical properties were determined by Fourier Transforms Infrared spectroscopy (FT-IR), X-ray diffraction (XRD), and microscopic methods by Atomic force microscopy (AFM), Transmission Electron Microscopy (TEM), and Scanning Electron Microscopy (SEM). Minimum inhibitory concentration (MIC) at 18.7 to 37.5 µg/ml and 2.3 to 4.6 µg/ml and minimal fungicidal concentration (MFC) at 75 µg/ml and 5.38 µg/ml using by broth micro dilution (BMD) method for G. sylvestre oils (G.EOs) and oil-loaded Nanogels (G.OLNPs) were measurement. The susceptibility of C. albicans biofilm to fractions was examined by 2,3-bis (2-methoxy-4-nitro-5-sulfophenyl)-5-[8phenylamino) carbonyl] - 2H - tetrazolium hydroxide (XTT) quantitatively.The concentration of G.OLNPs required to inhibit 50 % biofilm formation was 4.68 µg/ml, while that to remove 90 % biofilm growth was 18.07 µg/ml. In addition, it was observed that cell uptake of G.OLNPs was much higher compared with free G.EOs. Reverse transcription polymerase chain reaction (RT-PCR) analysis was performed to determine the effect of sub-MIC concentrations of G.EOs and G.OLNPs on expression of the biofilm–related gene ALS1 / ALS3, and indicated the G.OLNPs down-regulated the expression of hypha-specific gene ALS3. Furthermore, the data strongly suggested that G.OLNPs more effective suppressed C. albicans planktonic cells and reduction biofilm biomass.
EKSPLORASI TEKNIK FACE DAN BODY PAINTING UNTUK MENAMBAH ARTISTIK PAGELARAN BATIK FASHION ART WEAR
Authors: Syamsiar S., 
Published: April 2019

<p align="center"><strong><em>ABSTRACT</em></strong></p><p><em>This artistic research is conducted to explore face and body painting techniques. Its application to the model in fashion batik fashion show. Face painting is a painting that only uses the face as a medium (the field to be painted), while the body painting medium is the whole body from the neck to the feet. The creation process model refers to contemporary art in which art barriers are not limited to a combination of face and body painting, batik fashion art wear, dance art and music art, which is packaged in the form of a fashion show. Kind of batik fashion art wear is selected batik carnival fashion, glamorous batik fashion, Fashion Batik Klasic and fashion batik casual. The four forms of fashion batik is chosen because it is often displayed in the event of a major fashion show in the city of Solo.</em><strong><em></em></strong></p><p><em>Creation methods include Exploration (Observation, exploration of objects and the subject of creation), Improvisation (Experiments to make sketches of face design and body painting), Embodiments (creation of works and Fashion show performances). Creation of the work of face and body painting is expected to be able to produce artwork face and body painting the right model used in batik fashion art wear fashion, and able to add artistic batik fashion art fashion wear.</em><strong><em></em></strong></p><p><strong><em> </em></strong></p><p><em>Keywords: Face painting, body painting, fashion, batik, artistic, art wear.</em><em></em></p>
SENI RUPA “BIASA-BIASA SAJA” KARYA HERMAN “BENG” HANDOKO
Authors: Zarkasi Much. Sofwan 
Published: April 2019

<p align="center"><strong><em>ABSTRACT</em></strong></p><p><em>The aim of the article entitled Seni Rupa “Biasa-Biasa Saja” Karya Herman “Beng” Handoko", is to understand creative and interpret the work of art aesthetics from Herman" Beng "Handoko or often called Beng Herman. This article is the result of qualitative research using Deteritorial theory Gilles Deleuze to understand Beng Herman's creative process. To understand the aesthetics of Beng Herman's work using the aesthetics of Clive Bell, inform art as a personal experience that presents a form of significance. Findings from this research are: (1) Beng Herman's art is present from a routine of feeling and thinking that frees himself from the boundaries outside himself so that his work is present from pure feelings from within him, (2) through liberation makes routine art activities become "mediocre" activities which are all responded to become a desire to produce aesthetic work, a depth of individual processes that display honesty without judgment on other individuals and (3) the aesthetics of Beng Herman's work is present from the unity of the line, fields that are coordinated freely, which sometimes appear repetitive by displaying dynamic rhythms. An ordinary thing that becomes extraordinary when something becomes a deep personal experience and presents diverse possibilities and meanings according to each individual's aesthetic experience.</em></p><p><em> </em></p><p><em>Keywords: Art, creative, Aesthetics, Beng Herman</em></p>
Characterization of favorable weather conditions with powdery mildew disease incidence on pumpkin
Authors: Zeshan Muhammad Ahmad , Yousaf Maryam , Anjum Romana , Ali Safdar , Ghani Muhammad Usman 
Published: April 2019

Weather variables were characterized for the powdery mildew disease caused by Sphaerotheca fuliginea on pumpkin crop. The relationship between airborne conidia and incidence of powdery mildew on pumpkin was studied. Disease incidence data was recorded on weekly basis and correlated with prevailing environmental conditions. All the environmental factors showed positive relationship with disease incidence except wind speed that exhibited negative correlation. Understanding of favorable environment is helpful to use appropriate management approaches.
Assessing Disk Galaxy Stability through Time
Authors: Valencia-Enríquez D. , Puerari I. , Rodrigues I. 
Published: April 2019

Abstract

N-body simulations have shown that a bar in a galaxy can be triggered by two processes: (1) by its own instabilities in the disk, or (2) by interactions with other galaxies. Both mechanisms have been widely studied. However, the literature has not shown measurements of the critical limits of the disk stability parameters (DSPs). We show measurements of those parameters through the whole evolution in isolated disk models and find that the initial rotation configuration of those models stays in the stable or unstable regime from the initial to the final evolution. Then we perturbed the isolated models to study the evolution of DSPs under perturbation. We find that the critical limits of DSPs are not much affected in barred models, but when the bar is triggered by a perturbation, the disk falls into the unstable regimen. We show in our models that a bar triggered by a light perturbation grows in two phases: first, the bar appears as a slow rotator, and then it evolves to be a fast rotator; second, when the perturbation is far from the target galaxy, the bar evolves from fast to slow rotator. When the bar is triggered by a heavy perturbation, it appears as a fast rotator and evolves to be a slow rotator, similar to classical bar models.
Polarimetric and Photometric Investigation of the Dark Globule LDN 1225: Distance, Extinction Law, and Magnetic Fields
Authors: Eswaraiah Chakali , Lai Shih-Ping , Ma Yuehui , Pandey Anil K. , Jose Jessy , Chen Zhiwei , Samal Manash R. , Wang Jia-Wei , Sharma Saurabh , Ojha D. K. 
Published: April 2019

Abstract
We present results based on the optical R-band observations of the polarization of 280 stars distributed toward the dark globule LDN 1225. Parallaxes from Gaia data release 2 along with the polarization data of ∼200 stars have been used to (a) constrain the distance of LDN 1225 as 830 ± 83 pc, (b) determine the contribution of interstellar polarization, and (c) characterize the dust properties and delineate the magnetic field (B-field) morphology of LDN 1225. We find that B-fields are more organized and exhibit a small dispersion of 12°. Using the 12CO molecular line data from the Purple Mountain Observatory, along with the column density and dispersion in B-fields, we estimate the B-field strength to be ∼56 ± 10 μG, the ratio of magnetic to turbulent pressure to be ∼3 ± 2, and the ratio of mass to magnetic flux (in units of the critical value) to be <1. These results indicate the dominant role of B-fields in comparison to turbulence and gravity in rendering the cloud support. B-fields are aligned parallel to the low-density parts (traced by a 12CO map) of the cloud; in contrast, they are neither parallel nor perpendicular to the high-density core structures (traced by 13CO and C18O maps). LDN 1225 hosts two 70 μm sources, which seem to be low-mass Class 0 sources. The ratio of total to selective extinction derived using optical and near-infrared photometric data is found to be anomalous (R

V
= 3.4), suggesting the growth of dust grains in LDN 1225. The polarization efficiency of dust grains follows a power law with an index of −0.7, implying that optical polarimetry traces B-fields in the outer parts of the cloud.
ALMA Observations of Layered Structures due to CO Selective Dissociation in the ρ Ophiuchi A Plane-parallel PDR
Authors: Yamagishi M. , Hara C. , Kawabe R. , Nakamura F. , Kamazaki T. , Takekoshi T. , Shimajiri Y. , Nomura H. , Takakuwa S. , Francesco J. Di 
Published: April 2019

Abstract
We analyze 12CO(J = 2−1), 13CO(J = 2−1), C18O (J = 2−1), and 1.3 mm continuum maps of the ρ Ophiuchi A photodissociation region (PDR) obtained with ALMA. Layered structures of the three CO isotopologues with an angular separation of 10″ = 6.6 × 10−3 pc = 1400 au are clearly detected around the Be star, S1 (i.e., each front of emission shifts from the near to far side in order of 12CO, 13CO, and C18O). We estimate the spatial variations of X(13CO)/X(C18O) abundance ratios, and find that the abundance ratio is as high as 40 near the emission front, and decreases to the typical value in the solar system of 5.5 on a small angular scale of 4″ = 2.6 × 10−3 pc = 560 au. We also find that the I(12CO(2−1))/I(13CO(2−1)) intensity ratio is very high (>21) in the flat-spectrum young stellar object, GY-51, located in the PDR. The enhancement of the ratios indicates that the UV radiation significantly affects the CO isotopologues via selective dissociation in the overall ρ Ophiuchi A PDR, and that the ρ Ophiuchi A PDR has a plane-parallel structure.
The Observed versus Total Population of ULXs
Authors: Wiktorowicz Grzegorz , Lasota Jean-Pierre , Middleton Matthew , Belczynski Krzysztof 
Published: April 2019

Abstract
We have analyzed how anisotropic emission of radiation affects the observed sample of ultraluminous X-ray sources (ULXs) by performing simulations of the evolution of stellar populations, employing recent developments in stellar and binary physics, and by utilizing a geometrical beaming model motivated by theory and observation. While ULXs harboring black hole accretors (BH ULXs) are typically emitting isotropically, the majority of ULXs with neutron star accretors (NS ULXs) are found to be beamed. These findings confirm previous assertions that a significant fraction of ULXs are hidden from view due to a substantial misalignment of the emission beam and the line of sight. We find the total number of NS ULXs in regions with constant star formation (SF), solar metallicity, and ages above

to be higher than the BH ULXs, although observationally both populations are comparable. For lower metallicities, BH ULX dominate both the total and observed ULX populations. As far as burst SF is concerned, young ULX populations are dominated by BH ULXs, but this changes as the population ages and, post SF, NS ULXs dominate both the observed and total ULX populations. We also compare our simulation output to a previous analytical prediction for the relative ratio of BH to NS ULXs in idealized flux-limited observations and find broad agreement for all but the lowest metallicities. In so doing, we find that in such surveys the observed ULX population should be heavily dominated by black hole systems rather than by systems containing neutron stars.
Photometric Determination of the Mass Accretion Rates of Pre-main-sequence Stars. VI. The Case of LH 95 in the Large Magellanic Cloud*
Authors: Biazzo Katia , Beccari Giacomo , Marchi Guido De , Panagia Nino 
Published: April 2019

Abstract
We report on the accretion properties of low-mass stars in the LH 95 association within the Large Magellanic Cloud. Using noncontemporaneous wideband optical and narrowband Hα photometry obtained with the Hubble Space Telescope, we identify 245 low-mass pre-main-sequence (PMS) candidates showing Hα excess emission above the 4σ level. We derive their physical parameters, including effective temperatures, luminosities, masses (M
⋆), ages, accretion luminosities, and mass accretion rates (

). We identify two different stellar populations: younger than ∼8 Myr with median

yr−1 (and M
⋆ ∼ 0.15–1.8 M
⊙) and older than ∼8 Myr with median

yr−1 (and M
⋆ ∼ 0.6–1.2 M
⊙). We find that the younger PMS candidates are assembled in groups around Be stars, while older PMS candidates are uniformly distributed within the region without evidence of clustering. We find that

in LH 95 decreases with time more slowly than what is observed in Galactic star-forming regions (SFRs). This agrees with the recent interpretation, according to which higher metallicity limits the accretion process in both rate and duration due to higher radiation pressure. The

–M
⋆ relationship shows different behavior at different ages, becoming progressively steeper at older ages, indicating that the effects of mass and age on

cannot be treated independently. With the aim to identify reliable correlations between mass, age, and

, we used a multivariate linear regression fit between these parameters for our PMS candidates. The comparison between our results and those obtained in other SFRs of our Galaxy and the Magellanic Clouds confirms the importance of the metallicity for the study of the

evolution in clusters with different environmental conditions.
Limits on Electromagnetic Counterparts of Gravitational-wave-detected Binary Black Hole Mergers
Authors: Perna Rosalba , Lazzati Davide , Farr Will 
Published: April 2019

Abstract
Unlike mergers of two compact objects containing a neutron star (NS), binary black hole (BBH) mergers are not accompanied by the production of tidally disrupted material and hence lack the most direct source of accretion to power a jet and generate electromagnetic (EM) radiation. However, following a tentative detection by the Fermi GBM of a γ-ray counterpart to GW150914, several ideas were proposed for driving a jet and producing EM radiation. If such jets were in fact produced, they would, however, lack the cocoon emission that makes jets from binary NSs also bright at large viewing angles. Here, via Monte Carlo simulations of a population of BBH mergers with properties consistent with those inferred from the existing LIGO/Virgo observations and the angular emission characteristic of jets propagating into the interstellar medium, we derive limits on the allowed energetics and Lorentz factors of such jets from EM follow-ups to GW-detected BBH merger events to date, and we make predictions that will help tighten these limits with broadband EM follow-ups to events in future LIGO/Virgo runs. The condition that ≲1 event out of 10 GW-detected BBH mergers be above the Fermi/GBM threshold imposes that any currently allowed emission model has to satisfy the condition (E
iso/1049 erg)(θ
jet/20°) ≲ 1.
Testing Shear Recovery with Field Distortion
Authors: Zhang Jun , Dong Fuyu , Li Hekun , Li Xiangchong , Li Yingke , Liu Dezi , Luo Wentao , Fu Liping , Li Guoliang , Fan Zuhui 
Published: April 2019

Abstract
The tilt, rotation, or offset of each CCD with respect to the focal plane, as well as the distortion of the focal plane itself, causes shape distortions in the observed objects, an effect typically known as field distortion (FD). We point out that FD provides a unique way of quantifying the accuracy of cosmic shear measurement. The idea is to stack the shear estimators from galaxies that share similar FD-induced shape distortions. Given that the latter can be calculated with parameters from astrometric calibrations, the accuracy of the shear estimator can be directly tested on real images. It provides a way to calibrate the multiplicative and additive shear recovery biases within the scientific data itself, without requiring simulations or any external data sets. We use the CFHTLenS images to test the Fourier_Quad shear recovery method. We highlight some details in our image-processing pipeline, including background removal, source identification and deblending, astrometric calibration, star selection for point-spread function reconstruction, noise reduction, etc. We show that in the shear ranges of −0.005 ≲ g
1 ≲ 0.005 and −0.008 ≲ g
2 ≲ 0.008, the multiplicative biases are at the level of ≲0.04. Slight additive biases on the order of ∼5 × 10−4 (6σ) are identified for sources provided by the official CFHTLenS catalog (not using its shear catalog), but are minor (4σ) for the source catalog generated by our Fourier_Quad pipeline.