bluuebunny/crossref_metadata_2025 huggingface dataset:
A Topology Analysis-Based MMC-HVDC Grid Transmission Capacity Calculation Method
Authors: Yu Xiao , Zhao Bing , Wang Shanshan , Wang Tiezhu , Zhang Lu
Published: May 2021

Modular multilevel converter-based high voltage direct current (MMC-HVDC) has a broad application prospect in renewable energy transmission. With the development of converter capacity, the transmission capacity calculation for MMC-HVDC grids becomes important for power dispatching. The existing method depends on manual work and is suitable for a simple grid. However, as the grid structure and operation modes become more and more complex, it becomes difficult to calculate the transmission capacity of different operation modes for an MMC-HVDC grid. This paper analyzed and simplified affecting factors and basic topologies. On this basis, a topology-based MMC-HVDC grid transmission capacity calculation method is proposed. First, an MMC-HVDC grid is divided into sending end grid, transmission section lines, and receiving end grid. Then the power limits of these three parts are calculated. Finally, the transmission capacity is determined by analyzing the connection mode of these three parts. This method can be adapted to any kind of MMC-HVDC grid and can be easily programmed.
An Exact Axisymmetric Solution in Anisotropic Plasticity
Authors: Erisov Yaroslav , Surudin Sergei , Grechnikov Fedor , Lyamina Elena
Published: May 2021

A hollow cylinder of incompressible material obeying Hill’s orthotropic quadratic yield criterion and its associated flow rule is contracted on a rigid cylinder inserted in its hole. Friction occurs at the contact surface between the hollow and solid cylinders. An axisymmetric boundary value problem for the flow of the material is formulated and solved, and the solution is in closed form. A numerical technique is only necessary for evaluating ordinary integrals. The solution may exhibit singular behavior in the vicinity of the friction surface. The exact asymptotic representation of the solution shows that some strain rate components and the plastic work rate approach infinity in the friction surface’s vicinity. The effect of plastic anisotropy on the solution’s behavior is discussed.
Machine Learning-Based Intrusion Detection for Achieving Cybersecurity in Smart Grids Using IEC 61850 GOOSE Messages
Authors: Ustun Taha Selim , Hussain S. M. Suhail , Ulutas Ahsen , Onen Ahmet , Roomi Muhammad M. , Mashima Daisuke
Published: May 2021

Increased connectivity is required to implement novel coordination and control schemes. IEC 61850-based communication solutions have become popular due to many reasons—object-oriented modeling capability, interoperable connectivity and strong communication protocols, to name a few. However, communication infrastructure is not well-equipped with cybersecurity mechanisms for secure operation. Unlike online banking systems that have been running such security systems for decades, smart grid cybersecurity is an emerging field. To achieve security at all levels, operational technology-based security is also needed. To address this need, this paper develops an intrusion detection system for smart grids utilizing IEC 61850’s Generic Object-Oriented Substation Event (GOOSE) messages. The system is developed with machine learning and is able to monitor the communication traffic of a given power system and distinguish normal events from abnormal ones, i.e., attacks. The designed system is implemented and tested with a realistic IEC 61850 GOOSE message dataset under symmetric and asymmetric fault conditions in the power system. The results show that the proposed system can successfully distinguish normal power system events from cyberattacks with high accuracy. This ensures that smart grids have intrusion detection in addition to cybersecurity features attached to exchanged messages.
Advances in Engineering Graphics: Improvements and New Proposals
Authors: Rojas-Sola José Ignacio
Published: May 2021

The study of graphic communication techniques that engineers, architects, and designers use to express ideas and concepts, or the graphic expression applied to the design process, is becoming increasingly important. The correct interpretation of graphic language allows the development of skills in the training of an engineer or architect. For this reason, research on this topic is especially valuable in finding improvements or new proposals that help toward a better understanding of those techniques. This Special Issue shows the reader some examples of different disciplines available, such as engineering graphics, industrial design, geometric modeling, computer-aided design, descriptive geometry, architectural graphics and computer animation.
Blade Sorting Method for Unbalance Minimization of an Aeroengine Concentric Rotor
Authors: Sun Chuanzhi , Xiao Pinghuan , Wang Xiaoming , Liu Yongmeng
Published: May 2021

This paper proposes a blade sorting method based on the cloud adaptive genetic algorithm (CAGA), which is used to optimize the unbalanced of asymmetric rotor of aero-engine. Firstly, by analyzing the unbalance of the arrangement caused by the deviation of the mass moment of the blade, and considering the concentricity of the disk, an optimization model of the unbalanced amount of the blade assembly was established. Secondly, the selection operator, crossover operator, and mutation operator of the algorithm were designed, and the cloud adaptive genetic algorithm was used to optimize the assembly unbalance. Thirdly, the mass moments of a group of aero-engine blades were weighed using a moment scale (MW0), and the blade mass moment distribution and assembly unbalance under the six blade arrangements were analyzed. Finally, by setting different disk concentricity, the corresponding blade arrangement and the final rotor unbalance were obtained. Through analysis, it was found that the unbalance of GA is at least 57.5% optimized relative to the weight sorted, sorting type 2, sorting type 4, and sorting-1/4 skip method, and the unbalance optimized by the CAGA is 95.7% optimized relative to GA. In the case of different initial concentricity of the disk, the effective algorithm accuracy is still maintained, which proves the effectiveness of the method for the arrangement of asymmetric rotor blades. This method establishes an effective asymmetric rotor blade arrangement model, uses the cloud adaptive genetic algorithm to sort the blade assembly, and effectively reduces the unbalanced amount of the asymmetric rotor.
Construction of Higher-Order Metric Fluctuation Terms in Spacetime Symmetry-Breaking Effective Field Theory
Authors: Bailey Quentin G.
Published: May 2021

We examined the basic conservation laws for diffeomorphism symmetry in the context of spontaneous diffeomorphism and local Lorentz-symmetry breaking. The conservation laws were used as constraints on a generic series of terms in an expansion around a flat background. We found all such terms for a two-tensor coupling to cubic order in the metric and tensor field fluctuations. The results are presented in a form that can be used for phenomenological calculations. One key result is that if we preserve the underlying diffeomorphism symmetry in a spontaneous-symmetry breaking scenario, one cannot decouple the two-tensor fluctuations from the metric fluctuations at the level of the action, except in special cases of the quadratic actions.
On the Supersymmetry of the Klein–Gordon Oscillator
Authors: Junker Georg
Published: May 2021

The three-dimensional Klein–Gordon oscillator exhibits an algebraic structure known from supersymmetric quantum mechanics. The supersymmetry is unbroken with a vanishing Witten index, and it is utilized to derive the spectral properties of the Klein–Gordon oscillator, which is closely related to that of the nonrelativistic harmonic oscillator in three dimensions. Supersymmetry also enables us to derive a closed-form expression for the energy-dependent Green’s function.
Aspergillus flavus Growth Inhibition and Aflatoxin B1 Decontamination by Streptomyces Isolates and Their Metabolites
Authors: Campos-Avelar Ixchel , Colas de la Noue Alexandre , Durand Noël , Cazals Guillaume , Martinez Véronique , Strub Caroline , Fontana Angélique , Schorr-Galindo Sabine
Published: May 2021

Aflatoxin B1 is a potent carcinogen produced by Aspergillus flavus, mainly during grain storage. As pre-harvest methods are insufficient to avoid mycotoxin presence during storage, diverse curative techniques are being investigated for the inhibition of fungal growth and aflatoxin detoxification. Streptomyces spp. represent an alternative as they are a promising source of detoxifying enzymes. Fifty-nine Streptomyces isolates and a Streptomyces griseoviridis strain from the commercial product Mycostop®, evaluated against Penicillium verrucosum and ochratoxin A during previous work, were screened for their ability to inhibit Aspergillus flavus growth and decrease the aflatoxin amount. The activities of bacterial cells and cell-free extracts (CFEs) from liquid cultures were also evaluated. Fifty-eight isolates were able to inhibit fungal growth during dual culture assays, with a maximal reduction going down to 13% of the control. Aflatoxin-specific production was decreased by all isolates to at least 54% of the control. CFEs were less effective in decreasing fungal growth (down to 40% and 55% for unheated and heated CFEs, respectively) and aflatoxin-specific production, with a few CFEs causing an overproduction of mycotoxins. Nearly all Streptomyces isolates were able to degrade AFB1 when growing in solid and liquid media. A total degradation of AFB1 was achieved by Mycostop® on solid medium, as well as an almost complete degradation by IX20 in liquid medium (6% of the control). CFE maximal degradation went down to 37% of the control for isolate IX09. The search for degradation by-products indicated the presence of a few unknown molecules. The evaluation of residual toxicity of the tested isolates by the SOS chromotest indicated a detoxification of at least 68% of AFB1’s genotoxicity.
Evaluation of the Stability of Bacteriophages in Different Solutions Suitable for the Production of Magistral Preparations in Belgium
Authors: Duyvejonck Hans , Merabishvili Maya , Vaneechoutte Mario , de Soir Steven , Wright Rosanna , Friman Ville-Petri , Verbeken Gilbert , De Vos Daniel , Pirnay Jean-Paul , Van Mechelen Els , Vermeulen Stefan J. T.
Published: May 2021

In Belgium, the incorporation of phages into magistral preparations for human application has been permitted since 2018. The stability of such preparations is of high importance to guarantee quality and efficacy throughout treatments. We evaluated the ability to preserve infectivity of four different phages active against three different bacterial species in five different buffer and infusion solutions commonly used in medicine and biotechnological manufacturing processes, at two different concentrations (9 and 7 log pfu/mL), stored at 4 °C. DPBS without Ca2+ and Mg2+ was found to be the best option, compared to the other solutions. Suspensions with phage concentrations of 7 log pfu/mL were unsuited as their activity dropped below the effective therapeutic dose (6–9 log pfu/mL), even after one week of storage at 4 °C. Strong variability between phages was observed, with Acinetobacter baumannii phage Acibel004 being stable in four out of five different solutions. We also studied the long term storage of lyophilized staphylococcal phage ISP, and found that the titer could be preserved during a period of almost 8 years when sucrose and trehalose were used as stabilizers. After rehydration of the lyophilized ISP phage in saline, the phage solutions remained stable at 4 °C during a period of 126 days.
Local Sustained GM-CSF Delivery by Genetically Engineered Encapsulated Cells Enhanced Both Cellular and Humoral SARS-CoV-2 Spike-Specific Immune Response in an Experimental Murine Spike DNA Vaccination Model
Authors: Vernet Rémi , Charrier Emily , Cosset Erika , Fièvre Sabine , Tomasello Ugo , Grogg Julien , Mach Nicolas
Published: May 2021

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has caused a worldwide pandemic with recurrences. Therefore, finding a vaccine for this virus became a priority for the scientific community. The SARS-CoV-2 spike protein has been described as the keystone for viral entry into cells and effective immune protection against SARS-CoV-2 is elicited by this protein. Consequently, many commercialized vaccines focus on the spike protein and require the use of an optimal adjuvant during vaccination. Granulocyte-macrophage colony-stimulating factor (GM-CSF) has demonstrated a powerful enhancement of acquired immunity against many pathogens when delivered in a sustained and local manner. In this context, we developed an encapsulated cell-based technology consisting of a biocompatible, semipermeable capsule for secretion of GM-CSF. In this study, we investigated whether murine GM-CSF (muGM-CSF) represents a suitable adjuvant for SARS-CoV-2 immunization, and which delivery strategy for muGM-CSF could be most beneficial. To test this, different groups of mice were immunized with intra-dermal (i.d.) electroporated spike DNA in the absence or presence of recombinant or secreted muGM-CSF. Results demonstrated that adjuvanting a spike DNA vaccine with secreted muGM-CSF resulted in enhancement of specific cellular and humoral immune responses against SARS-CoV-2. Our data also highlighted the importance of delivery strategies to the induction of cellular and humoral-mediated responses.
A Review of SWAT Model Application in Africa
Authors: Akoko George , Le Tu Hoang , Gomi Takashi , Kato Tasuku
Published: May 2021

The soil and water assessment tool (SWAT) is a well-known hydrological modeling tool that has been applied in various hydrologic and environmental simulations. A total of 206 studies over a 15-year period (2005–2019) were identified from various peer-reviewed scientific journals listed on the SWAT website database, which is supported by the Centre for Agricultural and Rural Development (CARD). These studies were categorized into five areas, namely applications considering: water resources and streamflow, erosion and sedimentation, land-use management and agricultural-related contexts, climate-change contexts, and model parameterization and dataset inputs. Water resources studies were applied to understand hydrological processes and responses in various river basins. Land-use and agriculture-related context studies mainly analyzed impacts and mitigation measures on the environment and provided insights into better environmental management. Erosion and sedimentation studies using the SWAT model were done to quantify sediment yield and evaluate soil conservation measures. Climate-change context studies mainly demonstrated streamflow sensitivity to weather changes. The model parameterization studies highlighted parameter selection in streamflow analysis, model improvements, and basin scale calibrations. Dataset inputs mainly compared simulations with rain-gauge and global rainfall data sources. The challenges and advantages of the SWAT model’s applications, which range from data availability and prediction uncertainties to the model’s capability in various applications, are highlighted. Discussions on considerations for future simulations such as data sharing, and potential for better future analysis are also highlighted. Increased efforts in local data availability and a multidimensional approach in future simulations are recommended.
GIS-Based Spatiotemporal Mapping of Groundwater Potability and Palatability Indices in Arid and Semi-Arid Areas
Authors: Judeh Tariq , Bian Hanbing , Shahrour Isam
Published: May 2021

This paper aims to assess groundwater potability and palatability in the West Bank, Palestine. It combines the adjusted weighted arithmetic water quality index method (AWAWQIM), a close-ended questionnaire, and step-wise assessment ratio analysis (SWARA) to develop groundwater potability (PoGWQI) and palatability (PaGWQI) indices. Both a geographic information system (GIS) and the kriging interpolation method (KIM) are employed to create spatiotemporal mapping of PoGWQI and PaGWQI. The research is based on data from 79 wells, which were provided by the Palestinian Water Authority (PWA). Data include fecal coliform (FC), nitrate (NO3), pH, chloride (Cl), sulfate (SO4), bicarbonate (HCO3), total dissolved solids (TDS), turbidity, and hardness. Results indicate that 2% and 5% of water samples were unpotable and unpalatable, respectively. Unpotable samples were found in areas with poor sewer networks and intensive use of agrochemicals. All groundwater samples (100%) in the eastern part of the West Bank were unpalatable because of seawater intrusion. Unconfined aquifers were more vulnerable to potability and palatability contamination. It was noticed that PoGWQI is sensitive to FC and NO3, while PaGWQI is sensitive to HCO3, TDS, and Cl. Consequently, these quality parameters should be monitored well. The proposed method is of great interest to water decision-makers in Palestine for establishing strategies to protect water resources.
Dimensions of the Use of Volunteered Geographic Information in Mass Crisis Events
Authors:   ,   West Virginia University, Chen Xiannian
Published: May 2021

Recent studies have suggested that catastrophic events that trigger mass evacuation require surrounding communities to be well-prepared to act as ingress or pass-through areas for potential evacuees; however surrounding rural communities may have insufficient disaster-related logistical resources. In the response phase of disaster management, officials must be able to deploy resources to demand locations in types and quantities based on real-time requirements. Effective cross-jurisdictional disaster management needs real-time information, which is usually unavailable from official, authoritative sources. Conversely, VGI (volunteered geographic information) has the capability to provide real-time and local information in disaster management. This study investigates the possibility of utilizing real-time or near real-time VGI in mass evacuation scenarios. The study identifies a potential VGI data source, Tweets from Twitter and how to search for, discover and select relevant Tweets. The dissertation proposes research methods for harvesting, managing live Tweets and saving them to a distributed geodatabase for further spatio-temporal analysis and dissemination to users, such as responders and evacuees.;The study implements a Web GIS application, which includes a tweets discovery component, a geo-tagged tweets mapping component, and an online geo-tagged tweets operation component. The major research goals include designing an application programing interface (API) to harvest relevant Tweets and implement a distributed geodatabase system for storage, analysis, and display of the harvested Tweets so that vital information can be distributed in near real-time. Two case studies, based on Super Storm Sandy in 2012 and a shooting at Kent State University in 2014, were used to evaluate the pros and cons of Tweets from Twitter for response in emergency management and offered prototypes for the development of the final on-line Web GIS.
An Energy-Efficient Reconfigurable Mobile Memory Interface for Computing Systems
Authors:   ,   West Virginia University, Far Majid Jalali
Published: May 2021

The critical need for higher power efficiency and bandwidth transceiver design has significantly increased as mobile devices, such as smart phones, laptops, tablets, and ultra-portable personal digital assistants continue to be constructed using heterogeneous intellectual properties such as central processing units (CPUs), graphics processing units (GPUs), digital signal processors, dynamic random-access memories (DRAMs), sensors, and graphics/image processing units and to have enhanced graphic computing and video processing capabilities. However, the current mobile interface technologies which support CPU to memory communication (e.g. baseband-only signaling) have critical limitations, particularly super-linear energy consumption, limited bandwidth, and non-reconfigurable data access. As a consequence, there is a critical need to improve both energy efficiency and bandwidth for future mobile devices.;The primary goal of this study is to design an energy-efficient reconfigurable mobile memory interface for mobile computing systems in order to dramatically enhance the circuit and system bandwidth and power efficiency. The proposed energy efficient mobile memory interface which utilizes an advanced base-band (BB) signaling and a RF-band signaling is capable of simultaneous bi-directional communication and reconfigurable data access. It also increases power efficiency and bandwidth between mobile CPUs and memory subsystems on a single-ended shared transmission line. Moreover, due to multiple data communication on a single-ended shared transmission line, the number of transmission lines between mobile CPU and memories is considerably reduced, resulting in significant technological innovations, (e.g. more compact devices and low cost packaging to mobile communication interface) and establishing the principles and feasibility of technologies for future mobile system applications. The operation and performance of the proposed transceiver are analyzed and its circuit implementation is discussed in details. A chip prototype of the transceiver was implemented in a 65nm CMOS process technology. In the measurement, the transceiver exhibits higher aggregate data throughput and better energy efficiency compared to prior works.
Moral economy and culture
Authors: Shulov S.
Published: May 2021

The article presents the author’s view on the relationship between the dominance of the globalist financial and economic system in the world economic space and the associated dominance of mass or pop culture in the world cultural space. It is considered how the individualistic ideology of capitalism in the highest form of its development — globalism determines public consciousness. The article examines the reasons for the systematic destruction of the spiritual and moral basis of Russian culture, carried out since the oligarchic liberalism came to power in Russia in the 1990s, and the prospects of Russian society while preserving the asocial economy and the dominance of mass culture.
Treatment of landfill leachate by anaerobic baffled reactor (ABR)
Authors: Göçer Serdar , Duyar Ahmet , Kozak Melike , Cırık Kevser
Published: May 2021

Anaerobic baffled reactor (ABR) is one of the widely used wastewater treatment systems in industrial and domestic applications. In this study, the effect of dilution rates (5%, %10, 20%, 50%) on the landfill leachate (LFL) with regard to chemical oxygen demand (COD), color, nitrogen compounds, and organic matter was investigated. The maximum removals were observed when the dilution rate was 20% (v:v,1:5). COD, dissolved organic carbon (DOC), total nitrogen (TN), color, nitrate (NO3-) and ammonium (NH4+) removal efficiency was approximately 81%, 61%, 15%, 17%, 1% and 5%, respectively. The results indicated that the adverse effects of the dilution rate on the removal of contaminants are high when it is higher than 1:5 (v:v). The study suggests that the dilution of leachate presents a significant effect on the treatment performance.
Habilidades del pensamiento computacional en docentes en formación de la universidad La Gran Colombia
Authors: Camargo Pérez Alvaro Josserand , Munar Ladino John Alvaro
Published: May 2021

En la actualidad, uno de los grandes retos de los docentes es atender a los procesos de transformación digital que afronta la sociedad contemporánea. Sin embargo, los profesores no cuentan con las habilidades técnicas ni pedagógicas para desarrollar en sus estudiantes el pensamiento computacional. Una de las principales razones es la falta de programas o currículos formales para la cualificación docente que brinden la posibilidad de desarrollar habilidades como: la descomposición, generalización de patrones, la abstracción y el pensamiento algorítmico.

El objetivo de este proyecto es identificar el nivel de habilidades relacionadas con el pensamiento computacional de los futuros docentes vinculados a la Universidad la Gran Colombia, que quieren ser profesores para luego, establecer estrategias, generar planes de orientación docente, nuevas propuestas curriculares, entre otros. Se utiliza la metodología de enfoque dominante prevaleciendo lo cuantitativo y se utilizó la encuesta como técnica para recopilar información y establecer la relación entre las habilidades y las técnicas de estudio.
Análisis de los efectos de la implementación de un software interactivo para la inclusión social de personas con discapacidad y su beneficio en niños del centro de atención múltiple (CAM)
Authors: Vásquez-Gamboa Saira Antonieta , García-Ortega Irene , Rodríguez-Ramírez Felipe
Published: May 2021

Social inclusion represents incorporating into community life people who live and relate to each other, regardless of their origin, social condition or activity. It Categorically represents bringing it closer to a dignified life, and that it has basic services for appropriate and reasonable personal and family development, however, social inclusion is the tendency to enable people at risk of poverty or social exclusion to have the opportunity to participate fully in social life, and thus can enjoy an adequate standard of living. The objective of this work shows the analysis of the effects of the implementation of interactive software whose intention was to integrate information and communication technologies to learning activities, achieving self-determination and full integration of people with disabilities. Based on the adaptive skills assessment model for people with cerebral palsy.
Estructura tecnológica y organizacional de inclusión a la industria 4.0 en universidades como un factor en la eficiencia de procesos productivos y de servicios en el sector empresarial
Authors: González-Silva / Marco Antonio , Hernández-Pérez Faride , Zamudio-García Víctor Manuel
Published: May 2021

Currently, society lives governed by technology, which evolves day by day, an example of this is the transformation represented by the last indicated Industry 4.0 paradigm. This concept is oriented to fulfill two main objectives; automation in the improvement of industrial processes; and device interconnectivity, where techniques such as sensing, and data analysis are used. Based on these tools, this technological transformation demands the study of industrial processes, or services, to identify key points in them where improvements can be made. Before implementation, these changes are visualized through scientific prototypes that have applied technology to predict their functionality in a real environment. These prototyping challenges create the perfect link between school and industry, as the latter need to improve research center support processes, such as links at universities. This article describes a flexible structure and methodology, designed for universities, to develop studies on processes in organizations and generate prototypes based on Industry 4.0 technology, from a scientific research perspective.
Sistemas de gestión en mantenimiento: propuesta de un TPM en una empresa productora de marcos y molduras de la región
Authors: Fornés-Rivera René Daniel , Conant-Pablos Marco Antonio , Cano-Carrasco Adolfo , Gutiérrez-Beltrán Roberto Carlos
Published: May 2021

This research is carried out in a company that produces frames and moldings and addresses the need to develop a Total Productive Maintenance (TPM) program, as a result of the unavailability of machinery and equipment; and training that affects maintenance operations, which are not performed correctly causing costs. Currently there is a 76% availability of machinery; 78% in equipment; 42% in training and monthly average costs in machinery of $ 15,260 pesos; and in equipment of $ 1,860 pesos, in terms of maintenance costs there are no globales records. The objective was to carry out a proposal for maintenance activities, through the TPM methodology; to have an updated maintenance program. The procedure was: Describe the area under study; describe the situation of the area under study; establish TPM policies and goals; identify failures in machinery and equipment; and develop the maintenance program. It was contributed with the contribution of a maintenance program composed of: calendar, records of equipment in stock, corrective and preventive maintenance, maintenance scheduling, records of maintenance costs and catalog. Thus fulfilling the objective of this investigation.
Análisis del sistema de medición en una fábrica ensambladora de electrónicos
Authors: López-Acosta Mauricio , Montoya-Castro Andrea , Chacara-Montes Allán , Velarde-Cantú José Manuel
Published: May 2021

The importance of developing statistical tools in the manufacturing labor field starts from the daily struggle of industrial production processes against variability. The analysis of the measurement system aims to assess the variability associated with the measurement method used in the production process. Considering the instrument (Gage) and the operator that performs the measurement, in order to identify if it can be considered as acceptable. The objective of the research is to evaluate the reliability of the measurement system used in the production line of electronic locks through a Gage R&R study, to reduce the number of defective parts. The production line under evaluation is dedicated to the assembly and manufacture of electronic padlocks, has three inspection stations in which a repeatability and reproducibility study is carried out to obtain as a result the percentage of accuracy associated with the performance of the machine in the measurement system and personnel. The methodology or procedure to be followed for the development of the repeatability and reproducibility study will be carried out as mentioned by Pulido (2009), in the described steps of a short and long R&R study, from which the most relevant and applicable steps were taken. according to the characteristics of the present problem. The contribution of the study is the development of an analysis of the measurement system offers the company the outline of the current situation in a quantitative and qualitative way and allows it to provide a solid basis for the recognition of improvement opportunities that can help to decrease reported defects.
La otra toma de Zacatecas… por el capital corporativo
Authors:   Universidad Autónoma de Zacatecas, Márquez Covarrubias Humberto
Published: May 2021

Zacatecas es un territorio gestionado como un atado de enclaves subsumidos al capital nacional y multinacional, en detrimento del bien común, la democracia y la vida digna. El entramado productivo, la infraestructura, las redes de transporte y comunicación están supeditados a las redes de capital global. En contraste, la economía popular y los espacios municipales están dislocados. Los sujetos son las empresas multinacionales y nacionales que conquistan los territorios y engullen sus componentes de biodiversidad, fuerza laboral, mercados, recursos públicos e infraestructura. Las fuentes de riqueza, naturaleza y trabajo aparecen como objetos de la acumulación para ser explotados y degradados. Desde una visión desarrollista neoliberal, la gestión gubernamental malbarata el territorio para atraer inversión privada del capital monopolista. Territorio y población figuran como objetos pasivos expuestos al saqueo, degradación y destrucción.
Unscripted Possibilities
Authors: Fox Tom , Bear Rachel
Published: May 2021

Abstract
“Unscripted Possibilities” examines the potential for change that emerges in rural environments that are affected by poverty and educational reforms that ignore the specific contexts of rural schools. Using a National Writing Project program, the College, Career, and Community Writers Program as case, we argue that professional learning relationships that are characterized by mutuality and indeterminacy create changes in teacher practice and school culture. Our analysis adapts concepts from Anna Tsing’s (2015)The Mushroom at the End of the World to uncover hopeful possibilities in damaged school environments.
Spending Floors in Gifted Education Services
Authors: Hodges Jaret , Ottwein Jessica
Published: May 2021

For nearly two decades, the state of Texas mandated gifted education services and provided funding to public school districts. One policy that was unique to the state is the mandatory minimum spending. This research examines how these mandatory minimum spending floors influence spending in public school districts within the state and how that influence varies across locales. Our findings provide evidence that rural public school districts in Texas were more likely to operate near to the mandatory state minimum spending for gifted education than non-rural public school districts. In particular, rural public school districts allocated 50% of the funds towards gifted education programming as suburban public school districts when the minimum spending floors was accounted for. The results should provide caution to policy makers on the possible ramifications of removing spending floors on gifted education programming in rural public school districts.
How Professional Development in Co-teaching Impacts Self-Efficacy Among Rural High School Teachers
Authors: Colson Tori , Xiang Yajuan , Smothers Moriah
Published: May 2021

The purpose of this study is to examine the impact of professional development in co-teaching on teacher self-efficacy among general and special education rural high school teachers. A causal-comparative research design was used to survey 256 rural high school teachers from the South and Midwest regions of the U.S. to measure their self-efficacy in student engagement, instructional practices, and classroom management. One-way analysis and independent samples t-test was used to analyze these data using SPSS statistical software. The results indicated a significant difference between teachers with and without experience in a co-teaching classroom regarding their efficacy in using instructional practices. Furthermore, ANOVA results indicated a significant difference in the number of hours of professional development a teacher received in co-teaching as it relates to their efficacy in student engagement, instructional practices, and classroom management. Further discussion and recommendations are also included.
DEVELOPMENT OF PADDY-FIELD WATER LEVEL GAGE CORRESPONDING TO A SENSOR-NETWORK
Authors: Ito Ryoei , Kajisa Takamitsu
Published: May 2021

This study proposes a measurement system that comprises an e-Tape water level sensor, Arduino and XBee. The system was considered a success because of the linear relation between measured voltage signals and water depths obtained by it. This linearity was essential because Arduino does not have non-linear calculation ability. As a result, the numerical order of RMSE in measuring water depth using this system was obtained as 3.52 mm. For measuring water consumption for 1 day at the standard scale of paddy fields in Japan, water consumption can be estimated using the system below non-flowing water surfaces. However, when there is water flow, it will be difficult to estimate water consumption because discharge errors may be cumulative.
The Relation of Physical Activity with The Quality of Sleep in Adolescents at The Panti Asuhan Yatim Putri Islam RM Suryowinoto Yogyakarta
Authors: Murwani Arita , Sutrimo Sutrimo
Published: May 2021

Sleep is a basic human need, where sleep for every human being will be different for adolescents, needing to sleep around 7-9 hours / day. Adolescents are a group at high risk of experiencing problems in their sleep as a result of damage due to physical activity. There are several factors that can cause the quality of sleep is not disturbed, and physical activity is associated with the disruption of sleep quality. Knowing the relationship between Physical Activity and Sleep Quality in Panti Asuhan Yatim Putri Islam RM Suryowinoto Yogyakarta. This research is a quantitative study with a cross sectional design, the population in this study was 80 foster children in Panti Asuhan Yatim Putri Islam RM Suryowinoto Yogyakarta. The sample in this study using purposive sampling, amounting to 35 respondents. The instrument in this study used the International Physical Activity Questionnaire (IPAQ) and the Pitsburgh Sleep Quality Index (PSQI). Data were analyzed using the Chi-Square test. There are several factors that can cause the quality of sleep to be disturbed, and physical activity is suspected to be associated with disturbed sleep quality. The results showed that there was a relationship between physical activity and sleep quality in Panti Asuhan Yatim Putri Islam RM Suryowinoto Yogyakarta. With the results of the correlation test using the Chi-Square test p = 0.01 (value <0.05). That most of the foster children with high activity with good sleep quality were 1 (2.85%) and 25 (71.4%) had poor sleep quality. These results indicate that there is a significant relationship (p <0.05) between physical activity and sleep quality. Conclusion there is a Relationship between Physical Activity and Sleep Quality in Panti Asuhan Yatim Putri Islam RM Suryowinoto Yogyakarta
Hubungan Intensitas Penggunaan Smartphone dengan Kualitas Tidur pada Mahasiswa Angkatan 2017 Program Studi Ilmu Keperawatan di Stikes Surya Global Yogyakarta
Authors: Murwani Arita , Umam Muhammad Khoirul
Published: May 2021

Smartphone memiliki banyak kegunaan seperti berkomunikasi jarak jauh atau membantu tugas sehari-hari, hal ini sangat memudahkan mahasiswa untuk melakukan hal yang mereka inginkan dan mereka butuhkan. Penggunaan smartphone pada waktu yang lama dapat mengganggu kesehatan mereka, salah satunya dapat mengganggu kualitas tidur pada mahasiswa. Tidur merupakan kebutuhan dasar yang dibutuhkan oleh semua manusia. Setiap manusia memerlukan kebutuhan tidur yang cukup agar tubuh dapat berfungsi secara normal. Pada kondisi tidur, tubuh melakukan proses pemulihan untuk mengembalikan stamina tubuh hingga berada dalam kondisi yang optimal. Tujuan penelitian untuk mengetahui hubungan intensitas penggunaan smartphone dengan kualitas tidur pada mahasiswa angkatan 2017 prodi ilmu keperawatan di STIKes Surya Global Yogyakarta.Penelitian ini menggunakan desain penelitian deskriptif korelasional dengan pendekatan cross sectional. Besar sampel sebanyak 59 mahasiswa dengan teknik pengambilan sampel menggunakan systematic random sampling. Analisa data menggunakan uji Kendalls Tau. Berdasarkan hasil analisa data diperoleh koefisien korelasi sebesar 0.193  dan angka signifikan  0,04, hal ini menunjukan nilai p value 0,04<α 0,05. Terdapat hubungan yang signifikan antara intensitas penggunaan smartphone dengan kualitas tidur pada mahasiswa angkatan 2017 prodi ilmu keperawatan di STIKes Surya Global Yogyakarta
Perbedaan Status Gizi Balita Berdasarkan Tahun Pengamatan di Posyandu Kecubung Wilayah Kerja Puskesmas Ngaglik II Sleman.
Authors: Marlinawati Utari , Susanto Nugroho , Suwarto Suwarto
Published: May 2021

Latar Belakang: Gizi balita masih menjadi perhatian di berbagai belahan dunia. Penelitian sebelumnya 49,0% kekurangan gizi. Status gizi anak dipengaruhi oleh rumah tangga rawan pangan, pendapatan rumah tangga rendah, pengasuh buta huruf, pengangguran, asupan makanan tidak memadai, BBLR, konsumsi pola makan. Penelitian bertujuan untuk mengetahui perbedaan status gizi di posyandu berdasarkan tahun di puskesmas Ngemplak.Metode: Rancangan penelitian yang digunakan merupakan rancangan  cross sectional. Sampel penelitian sebesar 585 balita yang menimbang di Posyandu Kecubung yang memenuhi kriteria inklusi dan eklusi penelitian. Variabel independent yaitu status gizi dan Variabel dependent adalah tahun penimbagan. Pengumpulan data dengan survey dengan memanfaatkan data sekunder hasil penimbangan balita di Posyandu Kecubung. Analisis data dilakukan dengan chi square dengan tingkat kepercayaan 95%.Hasil:  Pada tahun 2018 terdapat 95.24% balita dengan status gizi tidak normal, pada tahun 2019 terdapat 92.03% balita dengan status gizi tidak normal, dan pada tahun 2020 terdapat 94.59% balita dengan status gizi tidak normal. Tidak terdapat perbedaan signifikan status gizi antara tahaun 2018, 2019 dan tahun 2020 p = 0.322 di wilayah kerja Puskesmas Ngaglik.Kesimpulan : Tidak ada perbedaan status gizi balita di posyandu Kecubung Puskesmas Ngaglik II Sleman.
Kajian Pelaksanaan Program Inovasi Sanitasi Total Berbasis Masyarakat (STBM) Goyang Gotik Di Puskesmas Pasirkaliki Kota Cimahi
Authors: Ningrum Roro Sumbawa , Budiman Budiman , Ahmad Nasir
Published: May 2021

Latar belakang: Indonesia dalam pencapaian angka akses sanitasi layak masih belum memenuhi target pemerintah yaitu 100% Open Defecation Free (ODF). Hal ini berkolerasi dengan hasil survey pendahuluan yang menunjukan persentase penduduk terhadap akses jamban sehat di Puskesmas Pasirkaliki hanya sebesar 76,8%. Dalam upaya peningkatan akses jamban sehat, Puskesmas Pasirkaliki memiliki program inovasi gotong-royong nabung kanggo tangki septik (Goyang Gotik).  Tujuan: untuk mengekplorasi pelaksanaan program inovasi goyang gotik di Puskesmas Pasirkaliki Kota CimahiMetode: Jenis penelitian deskriptif kualitatif dengan pendekatan tematik. Informan dalam penelitian terdiri dari Kepala Puskesmas, Sanitarian, Promotor Kesehatan, Kader, Nasabah, dan Donatur goyang gotik. Pengumpulan data dilakukan melalui wawancara, dan telaah dokumen. Hasil: Input tentang sumber daya manusia atau pengelola program tidak memiliki uraian tugas yang jelas, kendala dalam penyediaan sarana dan prasarana yaitu tidak adanya tempat pengumpulan sampah sementara. Proses pelaksanaan terdapat hambatan dalam kegiatan advokasi sosialisasi ada RW yang belum mendukung program ini. Output dari program inovasi ini masih belum mencapai target. Kesimpulan: Pelaksanaan inovasi goyang gotik perlu dibuat jadwal pelaksanaan kegiatan sosialisasi dan uraian tugas yang jelas serta struktur organisasi khusus program inovasi goyang gotik untuk meningkatkan kinerja dari setiap pelaksana kegiatan program inovasi Goyang Gotik.
Bio-Raman research using principal component analysis and non-negative matrix factorization on rice grains: detections of ordered and disordered states of starch in the cooking process
Authors: Wang Ziteng , He Mengmeng , Sari Wulan Intan , Kishimoto Naoki , Morita Shin-ichi
Published: May 2021

We measured Raman spectra in a cooking process of rice grains and applied principal component analysis (PCA) to confirm binary states of starch: ordered and disordered states of starch in the cooking process by analytically separating sharper and broader components for the bands around 870 and 940 cm−1 due to starch. These sharper and broader components were optimized by non-negative matrix factorization (NMF), based on the PCA. The ratio defined using these two components clearly distinguished before/after the cooking of rice grains. The ratio can be an effective indicator to estimate the degree of cooking.
Structural behaviors in water adsorbing phenomena on nanoporous carbon fabricated from waste rice husk
Authors: Li Heng , Yamazaki Motoaki , Komatsu Keiji , Tsuda Yoshinori , Saitoh Hidetoshi
Published: May 2021

The nanoporous carbon (NPC) performance, used for drug delivery carriers, wastewater treatment, or hydrogen storage, is strongly determined by the pore morphology during the desorption. In this work, the structural characteristics of NPC fabricated from rice husk by KOH activation were studied. X-ray diffractometry (XRD) and small-angle X-ray scatter were then implemented to characterize the pore size and adsorbate model under a series of adsorption–desorption conditions, combined with the details of the multilayer pore morphology obtained from gas adsorption. To this aim, the water was selected as adsorbate, which could be investigated under desorption conditions. The results confirmed that NPC changed from an amorphous structure to a regularly arrayed monolayer structure by introducing adsorbates and returns to their origin after thoroughly drying. A detailed understanding of the behavior of adsorbent and adsorbate may facilitate its storage ability and application in selective sorption, separation, and storage processes.
ROLE OF SERUM LDH LEVELS IN PROGNOSTICATION OF PATIENTS DIAGNOSED OF HODGKIN'S LYMPHOMA: A PROSPECTIVE COHORT STUDY
Authors: Sharma Akshay , Sharma Anshu
Published: May 2021

Hodgkin's lymphoma (HL) constitutes around 30% of all lymphomas . IPS is used for the risk stratication
of advanced stage HL but it lack applicability to the early stage cases ..In this prospective cohort study,
we aim to conrm the relationship between hsCRP levels with treatment response (interim as well as end of treatment) of HL
treated with the standard chemotherapy and radiotherapy regimens. A total of 50 patients were recruited over a period of 18
months and the patients were followed up in the hematology clinic and interim treatment responses as well as end of treatment
response were assessed. Correlation of the serum LDH levels and the treatment response showed that the low levels of serum
LDH level were associated with more advanced stages.. Univariate analysis showed that there was no signicant correlation of
interim treatment response as well as end of treatment response with serum LDH levels .
SHORT TERM OUTCOME OF DIVERSION LOOP COLOSTOMY IN CHILDREN OF ANORECTAL MALFORMATION.
Authors: Ahmed Mohammed Musheer , Sinsodhiya Rajpal Singh , Gaharwar A. P. Singh , Chhangte Ramngaihzuala
Published: May 2021

Purpose: Colostomy for patients with anorectal malformations decompresses an obstructed colon,
avoids fecal contamination of the urinary tract, and protects a future perineal operation. The procedure is
associated with several signicant complications.
Objective: To study relation of various demographic factors, clinical features, complications and patient related factors with
outcomes.
Methods-All necessary data of these 50 patients were obtained from case sheets and attendants of patients admitted in SNCU,
NICU and wards of department of paediatrics and surgery. All the details (demographic, patients related, surgery) of patient
was lled in predesigned structured proforma.
Results- More than half of babies were males (68%). The male to female ratio was 2.1:1. The mean weight at post-operative 7
days was 4.74±0.21 kgs which increased to 5.19±0.41 kgs at post-operative 1 month, 5.73±0.88 kgs at post-operative 2 months
and 6.28±0.6 kgs at post op 3 months. There was signicant (p=0.001) increase in weight from post-operative 7 days to postoperative 1 month, 2 months and 3 months. Peri stomal skin excoriation was seen in 8% at post-operative 7 day, 14% at postoperative 1 month, 12% at 2 months and 4% at 3 months. Stomal prolapse was seen in 2% patients at post-operative 7 days and
in 4% patients at 1 month & 2 months and became nil at 3 months post-operatively. There was signicant (p=0.001) difference in
weight gain from 7 days to 3 months post-operative between groups of age <30 days (1.67±0.33 kgs) and ≥30 days (1.08±0.65
kgs).
Conclusion- Minimal post-operative complications of diversion loop colostomy in children of anorectal malformation and
hence we can conclude that loop colostomy is safe in patients with anorectal malformations. we recommend, a study with a
large sample size and longer duration of follow up, needs to be done to have a more effective and rationale conclusion.