bluuebunny/crossref_metadata_2025 huggingface dataset:
A Large-Scale Deep-Learning Approach for Multi-Temporal Aqua and Salt-Culture Mapping
Authors: Diniz Cesar , Cortinhas Luiz , Pinheiro Maria Luize , Sadeck Luís , Fernandes Filho Alexandre , Baumann Luis R. F. , Adami Marcos , Souza-Filho Pedro Walfir M.
Published: April 2021

Aquaculture and salt-culture are relevant economic activities in the Brazilian Coastal Zone (BCZ). However, automatic discrimination of such activities from other water-related covers/uses is not an easy task. In this sense, convolutional neural networks (CNN) have the advantage of predicting a given pixel’s class label by providing as input a local region (named patches or chips) around that pixel. Both the convolutional nature and the semantic segmentation capability provide the U-Net classifier with the ability to access the “context domain” instead of solely isolated pixel values. Backed by the context domain, the results obtained show that the BCZ aquaculture/saline ponds occupied ~356 km2 in 1985 and ~544 km2 in 2019, reflecting an area expansion of ~51%, a rise of 1.5× in 34 years. From 1997 to 2015, the aqua-salt-culture area grew by a factor of ~1.7, jumping from 349 km2 to 583 km2, a 67% increase. In 2019, the Northeast sector concentrated 93% of the coastal aquaculture/salt-culture surface, while the Southeast and South sectors contained 6% and 1%, respectively. Interestingly, despite presenting extensive coastal zones and suitable conditions for developing different aqua-salt-culture products, the North coast shows no relevant aqua or salt-culture infrastructure sign.
Machine Learning Optimised Hyperspectral Remote Sensing Retrieves Cotton Nitrogen Status
Authors: Marang Ian J. , Filippi Patrick , Weaver Tim B. , Evans Bradley J. , Whelan Brett M. , Bishop Thomas F. A. , Murad Mohammed O. F. , Al-Shammari Dhahi , Roth Guy
Published: April 2021

Hyperspectral imaging spectrometers mounted on unmanned aerial vehicle (UAV) can capture high spatial and spectral resolution to provide cotton crop nitrogen status for precision agriculture. The aim of this research was to explore machine learning use with hyperspectral datacubes over agricultural fields. Hyperspectral imagery was collected over a mature cotton crop, which had high spatial (~5.2 cm) and spectral (5 nm) resolution over the spectral range 475–925 nm that allowed discrimination of individual crop rows and field features as well as a continuous spectral range for calculating derivative spectra. The nominal reflectance and its derivatives clearly highlighted the different treatment blocks and were strongly related to N concentration in leaf and petiole samples, both in traditional vegetation indices (e.g., Vogelman 1, R2 = 0.8) and novel combinations of spectra (R2 = 0.85). The key hyperspectral bands identified were at the red-edge inflection point (695–715 nm). Satellite multispectral was compared against the UAV hyperspectral remote sensing’s performance by testing the ability of Sentinel MSI to predict N concentration using the bands in VIS-NIR spectral region. The Sentinel 2A Green band (B3; mid-point 559.8 nm) explained the same amount of variation in N as the hyperspectral data and more than the Sentinel Red Edge Point 1 (B5; mid-point 704.9 nm) with the lower 10 m resolution Green band reporting an R2 = 0.85, compared with the R2 = 0.78 of downscaled Sentinel Red Edge Point 1 at 5 m. The remaining Sentinel bands explained much lower variation (maximum was NIR at R2 = 0.48). Investigation of the red edge peak region in the first derivative showed strong promise with RIDAmid (R2 = 0.81) being the best index. The machine learning approach narrowed the range of bands required to investigate plant condition over this trial site, greatly improved processing time and reduced processing complexity. While Sentinel performed well in this comparison and would be useful in a broadacre crop production context, the impact of pixel boundaries relative to a region of interest and coarse spatial and temporal resolution impacts its utility in a research capacity.
What Affects Maternal Response to Measles Vaccinations? Examining the Health Beliefs Model (HBM)
Authors: Grinberg Keren , Sela Yael
Published: April 2021

Background: Renewed measles outbreaks in recent years indicate that despite the routine availability of vaccines for a disease that is considered contagious, dangerous and deadly, many anti-vaccinationists do not vaccinate their children, which consequently endangers public health. This study aimed to investigate the factors that influence mothers to vaccinate their children, and whether the Health Belief Model (HBM) could predict compliance or non-compliance. Methods: This was a quantitative correlational research, using a 40-item questionnaire administered to 181 mothers in Israel. Results: The findings indicated two main factors that affected mothers’ intention to vaccinate their children against measles: first, their perception of the vaccine’s advantages, and second, their perception of the severity of the disease. It was also found that the HBM variables significantly affected the intention to administer vaccines. Conclusion: Consequently, raising public awareness of the vaccine’s advantages and importance to preventing mass infection, as well as attempts by the health system and practitioners to understand the motivations of anti-vaccinationists (including health beliefs and cultural sensitivities) could significantly increase the percentage of vaccinated children, and eradicate the measles epidemic.
Free Discharge of Subsurface Drainage Effluent: An Alternate Design of the Surface Drain System in Pakistan
Authors: Imran Muhammad Ali , Xu Jinlan , Sultan Muhammad , Shamshiri Redmond R. , Ahmed Naveed , Javed Qaiser , Asfahan Hafiz Muhammad , Latif Yasir , Usman Muhammad , Ahmad Riaz
Published: April 2021

In Pakistan, many subsurface (SS) drainage projects were launched by the Salinity Control and Reclamation Project (SCARP) to deal with twin problems (waterlogging and salinity). In some cases, sump pumps were installed for the disposal of SS effluent into surface drainage channels. Presently, sump pumps have become dysfunctional due to social and financial constraints. This study evaluates the alternate design of the Paharang drainage system that could permit the discharge of the SS drainage system in the response of gravity. The proposed design was completed after many successive trials in terms of lowering the bed level and decreasing the channel bed slope. Interconnected MS-Excel worksheets were developed to design the L-section and X-section. Design continuity of the drainage system was achieved by ensuring the bed and water levels of the receiving drain were lower than the outfalling drain. The drain cross-section was set within the present row with a few changes on the service roadside. The channel side slope was taken as 1:1.5 and the spoil bank inner and outer slopes were kept as 1:2 for the entire design. The earthwork was calculated in terms of excavation for lowering the bed level and increasing the drain section to place the excavated materials in a specific manner. The study showed that modification in the design of the Paharang drainage system is technically admissible and allows for the continuous discharge of SS drainage effluent from the area.
When the “Strong Arms” Leave the Farms—Migration, Gender Roles and Risk Reduction in Vietnam
Authors: Simelton Elisabeth , Duong Tuan Minh , Houzer Ella
Published: April 2021

For many family farms, migration is one strategy for reducing poverty and vulnerability to both natural hazards and economic risk. While more men typically migrate to work, the implications of this on the household are inconclusive, especially for the women who remain on the farms. This study employs a gender lens to examine the effects of economically driven migration on household decision-making, farm labor and disaster risk reduction, focusing on two disaster-prone regions with high poverty rates in Vietnam: Dien Bien (Northwest) and Ha Tinh (North Central Coast) provinces. Surveys of 228 households with at least one migrant worker showed a new generation of young male and female migrants, and that men over 30 years of age migrated for longer periods and more frequently than their spouses. Intrahousehold impacts differed according to risk strategies. In areas with a lower-risk coping strategy (Dien Bien), seasonal jobs coincided with periods of less intense farming activities. During the absence of male family members, women temporarily made more domestic decisions. In areas with a higher-risk adaptation strategy (Ha Tinh), farming was planned for longer absences; thus decisions remained largely unchanged. Remittances invested into agriculture contributed to shortening the recovery period after disasters and, in some cases, diversifying farming systems. The migrant’s absence was offset by relatives and neighbors as essential labor reserves. New resilient farming systems need to be disaster proof, gender-sensitive and free up labor.
Land-Use and Land-Cover (LULC) Change Detection and the Implications for Coastal Water Resource Management in the Wami–Ruvu Basin, Tanzania
Authors: Ngondo Jamila , Mango Joseph , Liu Ruiqing , Nobert Joel , Dubi Alfonse , Cheng Heqin
Published: April 2021

Evaluation of river basins requires land-use and land-cover (LULC) change detection to determine hydrological and ecological conditions for sustainable use of their resources. This study assessed LULC changes over 28 years (1990–2018) in the Wami–Ruvu Basin, located in Tanzania, Africa. Six pairs of images acquired using Landsat 5 TM and 8 OLI sensors in 1990 and 2018, respectively, were mosaicked into a single composite image of the basin. A supervised classification using the Neural Network classifier and training data was used to create LULC maps for 1990 and 2018, and targeted the following eight classes of agriculture, forest, grassland, bushland, built-up, bare soil, water, and wetland. The results show that over the past three decades, water and wetland areas have decreased by 0.3%, forest areas by 15.4%, and grassland by 6.7%, while agricultural, bushland, bare soil, and the built-up areas have increased by 11.6%, 8.2%, 1.6%, and 0.8%, respectively. LULC transformations were assessed with water discharge, precipitation, and temperature, and the population from 1990 to 2018. The results revealed decreases in precipitation, water discharge by 4130 m3, temperature rise by 1 °C, and an increase in population from 5.4 to 10 million. For proper management of water-resources, we propose three strategies for water-use efficiency-techniques, a review legal frameworks, and time-based LULC monitoring. This study provides a reference for water resources sustainability for other countries with basins threatened by LULC changes.
The Use of Activities and Resources in Archaeological Museums for the Teaching of History in Formal Education
Authors: Escribano-Miralles Ainoa , Serrano-Pastor Francisca-José , Miralles-Martínez Pedro
Published: April 2021

The research objectives of this paper are to compare the activities which have been prepared in the design of field trips from the perspective of teachers and museum educators, as well as to describe the use of resources and materials from the point of view of educational agents. The research method is quantitative, based on the study of a descriptive comparative cross-sectional survey. The participants are 442 teachers of early years, primary and secondary education, visiting two archaeological museums with their class groups in order to carry out an activity relating to the subject of history. The data collection tool was the MUSELA© questionnaire. The main results show that 60% of the teachers state that they prepare some kind of activities and 70% use some resources within the design of a field trip to an archaeological museum. On the other hand, 94.4% of the museum educators carry out activities using resources in the museum visit. The main conclusion is that the activities which are most used by teachers and educators in the museum (experimentation and artistic workshops, audio-visual observation and viewing tasks and debates or sharing) and by teachers in the classroom space (audio-visual viewing) do not guarantee research activities, analysis or reflection activities.
TOPOI RESOURCES: Quantification and Assessment of Global Warming Potential and Land-Uptake of Residential Buildings in Settlement Types along the Urban–Rural Gradient—Opportunities for Sustainable Development
Authors: Mühlbach Ann-Kristin , Mumm Olaf , Zeringue Ryan , Redbergs Oskars , Endres Elisabeth , Carlow Vanessa Miriam
Published: April 2021

The METAPOLIS as the polycentric network of urban–rural settlement is undergoing constant transformation and urbanization processes. In particular, the associated imbalance of the shrinkage and growth of different settlement types in relative geographical proximity causes negative effects, such as urban sprawl and the divergence of urban–rural lifestyles with their related resource, land and energy consumption. Implicitly related to these developments, national and global sustainable development goals for the building sector lead to the question of how a region can be assessed without detailed research and surveys to identify critical areas with high potential for sustainable development. In this study, the TOPOI method is used. It classifies settlement units and their interconnections along the urban–rural gradient, in order to quantify and assess the land-uptake and global warming potential driven by residential developments. Applying standard planning parameters in combination with key data from a comprehensive life cycle assessment of the residential building stock, a detailed understanding of different settlement types and their associated resource and energy consumption is achieved.
Exploring the Characteristics and Influencing Factors of Leisure Walking Based on the Demand of Behavior
Authors: Jiang Yupei , Sun Honghu
Published: April 2021

Leisure walking has been an important topic in space-time behavior and public health research. However, prior studies pay little attention to the integration and the characterization of diverse and multilevel demands of leisure walking. This study constructs a theoretical framework of leisure walking behavior demands from three different dimensions and levels of activity participation, space-time opportunity, and health benefit. On this basis, through a face-to-face survey in Nanjing, China (N = 1168, 2017–2018 data), this study quantitatively analyzes the characteristics of leisure walking demands, as well as the impact of the built environment and individual factors on it. The results show that residents have a high demand for participation and health benefits of leisure walking. The residential neighborhood provides more space opportunities for leisure walking, but there is a certain constraint on the choice of walking time. Residential neighborhood with medium or large parks is more likely to satisfy residents’ demands for engaging in leisure walking and obtaining high health benefits, while neighborhood with a high density of walking paths tends to limit the satisfaction of demands for space opportunity and health benefit. For residents aged 36 and above, married, or retired, their diverse demands for leisure walking are more likely to be fulfilled, while those with high education, medium-high individual income, general and above health status, or children (<18 years) are less likely to be fulfilled. These finding that can have important implications for the healthy neighborhood by fully considering diverse and multilevel demands of leisure walking behavior.
The Current Challenges of Further Education in ICT with the Example of the Czech Republic
Authors: Mynaříková Lenka , Novotný Lukáš
Published: April 2021

Schools have an irreplaceable role in preparing the young generation for educational, professional, and social challenges, however, this effort fails if teachers themselves are not equipped with sufficient ICT competencies and do not work on their constant development. The presented quantitative study analyzed how secondary school teachers understand and actively use Information and Communication Technologies (ICT) in their teaching practice and what barriers they encounter in terms of the further education in ICT provided by accredited institutions. In a sample of 1846 Czech teachers who completed an online survey, results showed they lacked both understanding and active use of new technologies, rarely participated in further education, and were unsatisfied with the courses provided to them. Their main barriers to further education were the lack of sufficient technology available in school, insufficient knowledge and skills in ICT, and the lack of support from school management. Unlike in other studies, time was not identified as an important barrier. Possible legislative, educational, and school management consequences regarding the further education in ICT based on the barriers in attending the courses and identified age and gender differences are discussed.
Analysis of Microbial Communities in Aged Refuse Based on 16S Sequencing
Authors: Hou Fen , Du Junjie , Yuan Ye , Wu Xihui , Zhao Sai
Published: April 2021

Aged refuse is widely considered to have certain soil fertility. 16S rRNA amplicon sequencing is used to investigate the microbial community of aged refuse. The aged refuse is found to contain higher soil fertility elements (total nitrogen, total phosphorus, total potassium, etc.) and higher concentrations of heavy metals (Pb, Cd, Zn, and Hg). Taxonomy based on operational taxonomic units (OTUs) shows that Actinobacteria, Proteobacteria, Chloroflexi, Acidobacteria, and Gemmatimonadetes are the main bacterial phyla in the two soils and there is a palpable difference in the microbial community composition between the two groups of samples. The genera Paramaledivibacter, Limnochorda, Marinobacter, Pseudaminobacter, Kocuria, Bdellovibrio, Halomonas, Gillisia, and Membranicola are enriched in the aged refuse. Functional predictive analysis shows that both the control soil and aged refuse have a high abundance of “carbohydrate metabolism” and “amino acid metabolism”, and show differences in the abundance of several metabolism pathways, such as “xenobiotics biodegradation and metabolism” and “lipid metabolism”. Aged refuse and undisturbed soil show significant differences in alpha diversity and microbial community composition. Multiple environmental factors (Hg, TN, Cr, Cd, etc.) significantly impact microorganisms’ abundance (Marinobacter, Halomonas, Blastococcus, etc.). Our study provides valuable knowledge for the ecological restoration of closed landfills.
The Bacterial Enzyme Cas13 Interferes with Neurite Outgrowth from Cultured Cortical Neurons
Authors: Wu Qin-Wei , Kapfhammer Josef P.
Published: April 2021

The CRISPR-Cas13 system based on a bacterial enzyme has been explored as a powerful new method for RNA manipulation. Due to the high efficiency and specificity of RNA editing/interference achieved by this system, it is currently being developed as a new therapeutic tool for the treatment of neurological and other diseases. However, the safety of this new generation of RNA therapies is still unclear. In this study, we constructed a vector expressing CRISPR-Cas13 under a constitutive neuron-specific promoter. CRISPR-Cas13 from Leptotrichia wadei was expressed in primary cultures of mouse cortical neurons. We found that the presence of CRISPR-Cas13 impedes the development of cultured neurons. These results show a neurotoxic action of Cas13 and call for more studies to test for and possibly mitigate the toxic effects of Cas13 enzymes in order to improve CRISPR-Cas13-based tools for RNA targeting.
Phase-Field Simulation of Imbibition for the Matrix-Fracture of Tight Oil Reservoirs Considering Temperature Change
Authors: Shi Junjie , Cheng Linsong , Cao Renyi , Jia Zhihao , Liu Gaoling
Published: April 2021

Injection water temperature is often different from that of the reservoir during water injection development in the tight reservoir. Temperature change causes different fluid properties and oil-water interface properties, which further affects the imbibition process. In this paper, a matrix-fracture non-isothermal oil-water imbibition flow model in tight reservoirs is established and solved by the finite element method based on the phase-field method. The ideal inhomogeneous rock structure model was used to study the influence of a single factor on the imbibition. The actual rock structure model was used to study the influence of temperature. The mechanism of temperature influence in the process of imbibition is studied from the micro-level. It is found that the imbibition of matrix-fracture is a process in which the water enters the matrix along with the small pores, and the oil is driven into the macropores and then into the fractures. Temperature affects the imbibition process by changing the oil-water contact angle, oil-water interfacial tension, and oil-water viscosity ratio. Reducing oil-water contact angle and oil-water viscosity ratio and increasing oil-water interfacial tension are conducive to the imbibition process. The increase in injection water temperature is usually beneficial to the occurrence of the imbibition. Moreover, the actual core structure imbibition degree is often lower than that of the ideal core structure. The inhomogeneous distribution of rock particles has a significant influence on imbibition. This study provides microscale theoretical support for seeking reasonable injection velocity, pressure gradient, injection temperature, and well-shutting time in the field process. It provides a reference for the formulation of field process parameters.
Factors Driving Long Term Declines in Inland Fishery Yields in the Mekong Delta
Authors: Vu An V. , Hortle Kent G. , Nguyen Du N.
Published: April 2021

The Mekong basin’s fisheries are important sources of food, income, and livelihoods for millions of people in six countries. However, fish yields appear to have declined in recent years according to reports from local fishers throughout the basin. It is important to understand the factors driving the decline in fisheries so that they can be adequately managed. We analysed interview data from 1020 fishers in the Mekong Delta in Vietnam in 2014 to identify trends in catch rates and the possible factors driving the trends. Most of the fishers (68–90%) reported that their catch rates had declined over the previous five years, although some fishers stated that their fish catches had remained stable or even increased. They identified eleven factors that they believed contribute to declines in fish catches, among which the use of illegal gears and overfishing were considered most important, with other factors relatively unimportant. Separately, long-term datasets (1995–2016) showed a general decline in commercial fish catches, which was positively correlated with peak water levels (which indicate flood levels), and negatively correlated with the intensification of rice farming, especially where flooding has been prevented to allow a third annual rice crop. Some data suggests that fishing effort has declined significantly in recent years, so an apparent downward trend in catches is not likely to be a result of overfishing as believed by fishers, which suggests that fishers are not aware of or under-rate the significance of hydrological and land-use/landscape changes. Due to the exceptional importance of the Mekong fishery and the interactions with other more dominant sectors, improved data collection is required to quantify changes in fisheries that result from land use and hydrological changes, and to guide planning which would better resolve competing demands for water and land use.
Optical Detection of Distal Lung Enzyme Activity in Human Inflammatory Lung Disease
Authors: Megia-Fernandez Alicia , Marshall Adam , Akram Ahsan R. , Mills Bethany , Chankeshwara Sunay V. , Scholefield Emma , Miele Amy , McGorum Bruce C. , Michaels Chesney , Knighton Nathan , Vercauteren Tom , Lacombe Francois , Dentan Veronique , Bruce Annya M. , Mair Joanne , Hitchcock Robert , Hirani Nik , Haslett Chris , Bradley Mark , Dhaliwal Kevin
Published: April 2021

Objective and Impact Statement.
There is a need to develop platforms delineating inflammatory biology of the distal human lung. We describe a platform technology approach to detect
in situ
enzyme activity and observe drug inhibition in the distal human lung using a combination of matrix metalloproteinase (MMP) optical reporters, fibered confocal fluorescence microscopy (FCFM), and a bespoke delivery device.
Introduction
. The development of new therapeutic agents is hindered by the lack of
in vivo in situ
experimental methodologies that can rapidly evaluate the biological activity or drug-target engagement in patients.
Methods
. We optimised a novel highly quenched optical molecular reporter of enzyme activity (FIB One) and developed a translational pathway for in-human assessment.
Results
. We demonstrate the specificity for matrix metalloproteases (MMPs) 2, 9, and 13 and probe dequenching within physiological levels of MMPs and feasibility of imaging within whole lung models in preclinical settings. Subsequently, in a first-in-human exploratory experimental medicine study of patients with fibroproliferative lung disease, we demonstrate, through FCFM, the MMP activity in the alveolar space measured through FIB One fluorescence increase (with pharmacological inhibition).
Conclusion
. This translational
in situ
approach enables a new methodology to demonstrate active drug target effects of the distal lung and consequently may inform therapeutic drug development pathways.
Intertextual dialogue with Victorian literature in the novels by Sarah Ann Waters as a means of implementing feminist issues
Authors: Ilunina Anna A.
Published: April 2021

The article presents an analysis of the implementation of the category of intertextuality in the novel «Affinity» (1999) by the British writer Sarah Ann Waters. The aim of the work was to trace how the intertextual dialogue with the Victorian literature contributes to the formation of the feminist issues of the work. It is revealed that the main pretexts when creating a novel for Waters were «Little Dorrit» by Charles John Huffam Dickens, «Aurora Leigh» by Elizabeth Barrett Browning, «The Turn of the Screw» by Henry James, and novels by William Wilkie Collins. «Affinity» has elements of Gothic narrative, a detective, a sensational novel, the Newgate novel, picaresque novel, contributing to the formation of women's issues. The dialogue with Victorianism allows Waters to raise issues of gender inequality in the past and present, the exploitation of women, and the rights of individuals to realise their sexual identity. For Waters, turning to Victorianism is a way to draw attention to issues that, according to the writer, are still topical in British culture, such as sexuality, class and gender.
Ivanovo – city of labour valour: organisation of labour achievements of Ivanovo residents in the years of the Axis-USSR War (1941–1945)
Authors: Okolotin Vladimir S.
Published: April 2021

The article is devoted to the study of labour achievements of Ivanovo residents during the participation of the USSR in World War II. This was preceded by a whole list of legal, managerial, social and economic decisions taken at the level of the centre and the region. Their main components were measures to organise labour and strengthen labour discipline, which, along with others, were based on the maximum mobilisation of regional resources. They were adequate to the military situation and in general they were so successful that the enterprises of the city and the region were able to achieve uninterrupted production of military and civilian products, and their teams during the war showed mass labour heroism and dedication. The article is based on the materials of the state archive of Ivanovo Region and the Russian state archive of socio-political history, as well as local and central periodicals. It summarises new information on the subject of most archival documents are introduced into scientific circulation, which allows to expand the knowledge of researchers and the public about the contribution of residents of Ivanovo and the region in achieving victory over Nazi Germany and its allies. The results of this study may be of interest to experts in the field of regional economy and the history of the World War II East Front.
Microbial Induced Autoimmune Inflammation as a Cause of Mental Illness in Adolescents: A Case Series
Authors: Kinderlehrer Daniel A. , Brown Nancy
Published: April 2021

The incidence of mental health disorders in adolescents continues to rise. The cause of the increase in mental illness is multifactorial, including both environmental and biological causes. To investigate the latter, ten adolescents at a psychiatric residential treatment center in Colorado with the DSM-5 diagnosis of major depressive disorder (MDD), of whom seven were additionally diagnosed with generalized anxiety disorder (GAD), were chosen at random for further serologic study. Testing revealed exposureto group A Streptococcus(GAS) in 2 of 10 (20%); Borrelia Burgdorferi sensulato (Bbsl)in 2 of 10 (20%); and Bartonella speciesin 3 of 10 (30%). In addition, 9 of 10 (90%) subjects had abnormal Cunningham Panels, which measures levels of antineuronal antibodies that have been associated with psychiatric disturbances. Given the degree of psychological dysfunction in these adolescents requiring intensive residential treatment, this case series lends support to the hypothesis that exposure to infectious agents may play a role, perhaps by autoimmune mechanisms, in the significant and ongoing rise in the rate of neuropsychiatric illness in adolescents. This preliminary report adds to this premise and requires further investigation.
Software para administrar recetas de comida típica de la región
Authors: Betancourt-Sánchez Ricardo Gabino , Levario-Torres José Guadalupe , Villanueva-Flores Juan Antonio , Gallegos-Herrera Juan Manuel
Published: April 2021

Development of software that facilitates the administration of typical food recipes from the region, which can be shared with other users, in addition to being able to follow up the information posted on the web quickly and easily. It is sought that with the use of software of this type, users who have access to the platform can share and in the same way take, typical recipes from the region and from other regions, to preserve traditions and have a variety of information with which they would have a diversity of possibilities when preparing meals. On the other hand, a functional prototype of the software was also obtained, which was achieved following a spiral development methodology.
Desarrollo de un sistema de información para la eficiente gestión de sustancias químicas con base en la Norma Oficial Mexicana NOM-018-STPS-2015
Authors: Arciga-Pedraza Raquel , Colin-Alcantar Elmer , Juarez-Santiago Brenda , Lizardi-Miranda Edson Jair
Published: April 2021

The technologies of the information nowadays are essential in the development of our daily life. They have been reflected in various activities and serve the purpose of integrating various branches of science. Having this in mind, the development team achieved to identify that in the division of chemistry at the technological university of San Juan del Rio, there was the necessity to have a web platform to consult the substances that are in storage. And also provide a tool for the implementation of the official Mexican norm NOM-018-STPS-2015 which has the purpose of identifying the dangers and risks of dangerous chemical substances through the use of pictograms. The software development stages were implemented using XP (Xtreme Programming) being that it’s an agile methodology and it allows to prioritize tasks according to the client’s requirements, using the programming languages PHP 7, MySQL and HTML 5.
The acquired result was a web system with the modules of queries, substances information, which was used by students of chemistry engineering who evaluated the platform via a survey, and accomplished a 75% of satisfaction.
Construccion de un prototipo anaerobio para el tratamiento de aguas residuales
Authors: Rodriguez-Morales José Alberto , Silva- Garcia Gabriela Guadalupe , Ramos-Lopez Miguel Ángel , Ledesma-Garcia Janet
Published: April 2021

It has been proposed systems that adapt economically and technically to the conditions of most places that have a considerable water consumption. The work consisted of an anaerobic biological reactor in which the treatment of domestic wastewater was carried out. Sedimentation characteristics of the activated sludge were achieved after the second stabilization period. Throughout the treatment three samples were characterized (key, effluent and influent) in three times of hydraulic retention, of which were analyzed: pH, temperature, conductivity, turbidity, SST and COD. Additionally, the samples were analyzed in the laboratory to determine COD, BOD5, fats and oils, and fecal coliforms. With the designed system removal percentages higher than 45% (key sample) and 34% (effluent sample) were obtained for COD and greater than 71% (key sample) and 57% (effluent sample) for SST. The parameters analyzed met the maximum permissible limits established in NOM-003-SEMARNAT-1997 and in PROY-NOM-001-Semarnat-2017. A filtration system was installed that increased the percentages of removal in the treated samples reaching a better water quality. Chlorine was also added to ensure the elimination of fecal coliforms.
Diseño y construcción de un pico-satélite educativo CanSat tipo rover denominado EagleSat V2.1
Authors: Mancilla-Cerezo Josue , Palacios-Garcia Ana Cristina , Pérez-Lopez Adriana , Jimenez-Gonzalez Diane Grace
Published: April 2021

It is described how a CanSat pico-satellite type rover was designed and built to compete in the Fourth CanSat National Educational Satellites Competition. Students of Engineering in Information Technologies and Communications with the support of teachers of that career designed and built the pico-satellite called EagleSat V2.0. Using the methodology of the "V" model, the mission was conceptualized which was the sending of data of: internal and external temperature, pressure, relative humidity, altitude, longitude, latitude, battery level, vibration and acceleration through telemetry to an earth station; take video and return to the starting point using a rover type vehicle; the requirements and architecture of all stages of the EagleSatV2.1 were specified. Starting from the architecture, the printed circuits were designed and built, the components and the different sensors were welded to measure the data. In addition, a mechanical structure and tires were designed and printed on a 3D printer which would make up the Rover type vehicle. Thanks to the excellent work done, the first place was obtained in the Fourth CanSat National Satellites Educational Contest in the comeback category.
Rediseño de un triciclo de carga pesada, libre de contaminación
Authors: Morales-Hernández Maricela , Villalobos-Nolasco Marco Antonio , Diaz-Sarmiento Bibiana , Mingüer-Allec Luz María
Published: April 2021

The tricycle is a widely used tool nowadays due to its versatility, since it allows effectively transporting all types of loads such as: construction materials, fruits and vegetables, traveling businesses, and even human passengers. Currently consists of three wheels two front and one back forming a triangle, its components are: tires, wheels, seat, lift truck, frame, transmission chain, multiplication, back gear, the counterpedal mass, among others. The article describes the redesign of a heavy load tricycle capable of loading 700 kg without deforming its structure. For this purpose, it follows the design process proposed by Budynas and Nisbett in his book "Design in Mechanical Engineering of Shigley". Likewise, the design and simulation has been worked in a trial version of the Siemens NX 10 software, which is a CAD software. The plans of all the designed components are presented, as well as a graph of their assembly.
Diseño e implementación de un sistema seguidor solar inteligente a dos ejes para optimizar la producción de energía fotovoltaica con una lente de fresnel y un sistema de limpieza robotizado a bajo costo
Authors: Hernández-Medina José Juan , López-Xelo Hilario , Cabrera-Pérez José Luis , Hernández-Díaz Aldo
Published: April 2021

Photovoltaic systems with Fresnel lenses are expensive, as well as technologically complex, due to their optical, mechanical and control components. In addition, all these systems are sensitive to operation and maintenance costs. This article proposes the use of commercial Fresnel lenses to improve the efficiency of photovoltaic modules, in conjunction with a fuzzy intelligent controlled solar tracking system with two-axis and a novel low-cost robotic cleaning system. The basic idea is that this system optimizes the production of electricity in an economically and technologically simple way. The technology of Arduino microcontrollers and fuzzy logic for control, as well as the geometry of Fresnel lenses, will be used to concentrate solar energy in a small area, not to mention that these optical devices have a low weight. The accumulated effect of energy production will be improved by a novel low cost robotic cleaning system. The alignment and perpendicularity of the impact of solar energy on photovoltaic cells must be maintained as much as possible and the performance of this system must be compared with other more expensive and technologically more complex commercial systems.
Usando tecnología móvil para el aprendizaje de la estructura de los elementos Químicos
Authors: Jeronimo-Yedra Rubén , Almeida Alejandrina , Arceo Gerardo , Gómez José
Published: April 2021

In Mexico the use of mobile telephony has increased in recent years, which gives the idea of the impact they have on daily life, encouraging the user not to be in a predetermined place and are a step towards learning at any time and in any place. It is important to create applications using this type of technology, to support the education sector. This research, which was conducted under a mixed-type approach, used as tools for data collection to the questionnaire, observation and interview, resulting in an application that made use of mobile technology, focused to promote the learning of the structure of the chemical elements, as support to the students of baccalaureate, in the subject of Chemistry; This is because young people depend on the printed format that contains the general scheme of all the symbols or memorization to learn each of the elements and their parts. Although on the Web there are several applications that circulate for free on the same subject, some are restricted to computer equipment and others were created for smartphone phones that require a payment to download them.
Recursos didácticos para el aprendizaje de la lectura a través del método Gleen Doman utilizando realidad aumentada
Authors: Silva-Martínez Dalia , Sánchez-Díaz Clara Aurora , León-Platas Micaela Guadalupe , Parada-Sosa Jesús Enrique
Published: April 2021

This article presents the results of the tests carried out as well as the redesign of the educational material and the mobile application of the project "Teaching resources for learning to read through the Gleen Doman method using augmented reality". The teaching resources have three levels: 1.-words (through cards) and traditional board games 2.-relation of words in sentences 3.-stories at the moment to apply the tests in the kindergarten, it was found that there was conflict since the application was designed, because it sometimes did not recognize the associated QR code, due to the distribution within the board game, for this reason it was changed to an RA code. The distribution of the game boards was modified, the material in which they were made was changed, new categories were added based on semantic fields that children could handle. This project is based on a global method of reading learning, which is characterized by the fact that children learn complete words grouped in semantic fields. An online sales system was also developed (and with this different sales packages, according to the customer's needs), as well as technical support for the use of the product.
Disglobal Basho
Authors:   Florida International University, Andia Alfredo , Cupkova Dana ,   Carnegie Mellon University
Published: April 2021

The idea for this international conference was conceived arounda non-existent word: “disglobal.” The word emerged as a reaction to decades of discourse that have relentlessly argued that world is “globalizing.” The ideology of globalization claimed that after the conclusion of the cold war international trade took over the world and unleashed an unstoppable process of internationalization of markets and culture.
Lina Bo Bardi: Evolution of Cultural Displacement
Authors:   University of Texas at Austin, Milovanovic-Bertram Smilja
Published: April 2021

In recent years much has been written and exhibited regarding Lina Bo Bardi, the Italian/Brazilian architect (1914-1992). This paper aims to look at the phenomenon of cultural displacement and the dissemination of her design thinking as a major female figure in a male dominated profession. This investigation is distinguished from others in that it addresses the importance of regional and cultural influences that formed Lina’s design philosophy in her early years in Italy. Cultural displacement has long played a significant role in the creative process for artists. Often major innovators in literature are immigrants as elements of strangeness, distance, and alienation all contribute to their creativity. The premise is that critical distance is paramount for reflection as a change of context unfolds unforeseen possibilities. Displacement was a consistent element throughout the trajectory of Lina’s architectural career as she moved from Rome to Milan, from Milan to Sao Paolo from Sao Paolo to Bahia and back to Sao Paolo. Viewing this form of detachment and dislocation permits insight into her career and body of work as displacement mediates the paradoxical relationship between time and space. The paper will examine three distinct periods in her career. The first period is set in Rome, where she assimilated the city, showed artistic aptitude and spent her university years studying under Piacentiniand Giovannoni. The second period is set in Milan, where she developed impressive editorial and layout skills in publications work with Gio Ponti and BrunoZevi. and was influenced by Antonio Gramsci’s writings. The third is set in Brazil, where she builds and evolves as an architect via what she absorbed in Rome, wrote in Milan, and finally realized in Brazil. After Italy’s collapse in WWII Lina writes, draws, edits, critiques the plight of the Italians in need of better housing and circumstances. She leaves Milan with her new husband, PM Bardi (a prominent journalist, art critic) for Brazil. In Sao Paolo she absorbs the optimism and positive direction of Brazil. Her early design work in Brazil echoes European modernism, but when she travels to Bahia and becomes aware of the social conditions, she draws from her Italian experiences of and ideas of transforming lives through craft. Her architectural projects become directly responsive to the culture of Bahia and the politics of poverty. Lina’s design thinking evolves and parallels George Kubler’s study, The Shape of Time, and the history of man-made objects by bridging the divide between art and material culture.
Effects of surface treatment and annealing for Au/Ni/n-GaN Schottky barrier diodes
Authors: Shiojima Kenji , Tanaka Ryo , Takashima Shinya , Ueno Katsunori , Edo Masaharu
Published: April 2021

We report the basic electrical characteristics and uniformity of 25 Au/Ni Schottky barrier diodes (SBDs) with three different surface treatments ((I) no treatment (as-grown), (II) alkaline solution, and (III) HCl related solution) before and after post-metallization annealing at 400 °C. The SBDs with (II) showed small diode-to-diode variation in the Schottky barrier height and the ideality factor, and good uniformity over the electrode. In addition, after the annealing, the reverse-biased current significantly reduced to the prediction by the thermionic field emission model. Similar characteristics were obtained for the SBDs with (I), however, the uniformity over the electrode became worse after the annealing. For the SBDs with (III), the diode-to-diode variation was originally large, and the reverse-biased current did not significantly reduce. In addition, inhomogeneity with a line-shape pattern was observed in some SBDs with the large reverse-biased current. Residual Cl atoms may be responsible for low-barrier nature.
A COMPARATIVE STUDY OF CONVENTIONAL INCISION AND DRAINAGE VERSUS INCISION AND DRAINAGE WITH PRIMARY CLOSURE OF THE WOUND IN ACUTE ABSCESSES
Authors: Antony T. Babu , Thirunavukkarasu S. , Chandran Karthick , G. Gowtham , S. Sudhishnaa
Published: April 2021

Acute abscesses are a surgical emergency and almost always require drainage, especially from
supercial sites. This is a study among 100 patients in a tertiary care centre in South India to compare the
efcacy of two methods of management of supercial – skin and soft tissue- abscesses in terms of post operative pain, wound
healing time, duration of inpatient treatment and recurrence of abscess at primary site. The rst method was the conventional
Incision and Open drainage and healing by secondary intention. The second method involved Incision and Drainage and
primary closure of the wound with a negative pressure drain. The latter method was found to be signicantly superior to the
conventional method in all the above mentioned outcomes. Hence, this method can be promoted along with the use of
appropriate antibiotics to lessen the inconveniences of the patients.
A COMPREHENSIVE STUDY ON ACUTE NON-TRAUMATIC ABDOMINAL EMERGENCIES
Authors: Zubair Md. Quamar , Jha Suman A. K.
Published: April 2021

Abdominal pain is one of the most common reasons for visit to the emergency room. Acute appendicitis is
the commonest cause. An accurate diagnosis is essential for the correct treatment, which in many cases
will prevent the death of the patient. Mainstay of diagnosis is history and physical examination. If this information is inadequate
to establish a diagnosis and urgent or immediate operation is unnecessary, the periodic re-examination helps document the
progression of the disease and often avoids unnecessary surgical intervention. Today the combination of improved diagnostic
procedures, antibiotic and better anaesthesia and preoperative and postoperative patient care has led to a decrease in
morbidity and mortality of patients with acute abdomen. The objective of this study was to determine the various causes of nontraumatic acute abdominal emergencies, their incidence, management and mortality in both sexes and all age groups >12
years age.