bluuebunny/crossref_metadata_2025_split huggingface dataset:
Wave vector and field vector orientation dependence of Fe K pre-edge X-ray absorption features in clinopyroxenes
Authors: Steven Cody J. , Dyar M. Darby , McCanta Molly , Newville Matthew , Lanzirotti Antonio 
Published: October 2022

Abstract
Pre-edge X-ray absorption features are commonly used to derive redox states for transition metal oxides in crystals and glasses. Several calibrations for Fe2+ and Fe3+ in silicate glasses have utilized the general relationships among pre-edge peak intensity, energy, and redox state. However, absorption variations complicate those relationships in anisotropic crystals. Although absorption anisotropy at and above the energy of the rising edge adheres to the typical cos2 relationship observed in absorption spectroscopies at other energies, the anisotropy of the pre-edge is far more complicated. Prior studies focusing on pre-edge absorption anisotropy demonstrate a 1-cos4φ dependence of absorption magnitudes with rotation. Experiments presented here show that absorption magnitudes of the pre-edge vary as a function of both electric field vector orientation and wave vector direction. However, rotations around the field vector axis or wave vector axis individually result in cos2 dependence of absorption magnitudes. Rotations where both wave vector and field vector orientation are varied are not well fit by either model in the pre-edge. The resulting anisotropy complicates the process of measuring characteristic absorption in the pre-edge, making valence state determinations challenging for strongly anisotropic crystal structures such as pyroxene.
Wet-environment Evapotranspiration and Precipitation Standardized Index (WEPSI) for drought assessment and monitoring
Authors: Khoshnazar Ali , Corzo Perez Gerald A. , Diaz Vitali , Aminzadeh Milad , Cerón Pineda Roberto Adolfo 
Published: October 2022

Abstract
Drought assessment and monitoring are essential for its proper management. Drought indices play a fundamental role in this. This research introduces the Wet-environment Evapotranspiration and Precipitation Standardized Index (WEPSI) for drought assessment and monitoring. WEPSI incorporates water supply and demand into the drought index calculation. WEPSI considers precipitation (P) for water supply and wet-environment evapotranspiration (ETw) for water demand. We use an asymmetric complementary relationship to calculate ETw with actual (ETa) and potential evapotranspiration (ETp). WEPSI is tested in the transboundary Lempa River basin in the Central American dry corridor. ETw is estimated based on evapotranspiration data calculated using the Water Evaluation And Planning (WEAP) system hydrological model. To investigate the performance of WEPSI, we compare it with two well-known meteorological indices (Standardized Precipitation Index and Standardized Precipitation Evapotranspiration Index), together with a hydrological index (Standardized Runoff Index), in terms of statistical metrics and mutual information (MI). We compare WEPSI-derived droughts and historical information, including crop production, cereal yield, and the Oceanic Nino Index (ONI). Results show WEPSI has the highest correlation and MI, and the lowest deviation. It is consistent with the records of the crop production index, cereal yield, and the ONI. Findings show that WEPSI can be used for agricultural drought assessments.
Tetracycline degradation by nonthermal plasma: removal efficiency, degradation pathway, and toxicity evaluation
Authors: Ouzar Amina , Kim Il-Kyu 
Published: October 2022

Abstract
Tetracyclines (TCs) are often discussed as one of the emerging contaminants detected in water matrices and studied for their persistence towards conventional water treatment technologies. In this work, the treatment of TC in aqueous solutions with nonthermal plasma gliding arc process was investigated. The degradation efficiency of TC was studied along with the effect of initial concentration, working gas, pH, and the presence of a radical scavenger. The generation of reactive oxidative species was characterized by the quantification of radical hydroxyl, hydrogen peroxide, ozone, nitrite, and nitrate. Mineralization efficiency was examined by assessment of Total organic carbon evolution. Experimental results have shown that the gliding arc plasma is effective for the treatment of TC. At an initial concentration of 5 mg/L: degradation rates of 94.95% and 60.45% were achieved, while mineralization rates were 81.3% and 57.34% under O2 and air plasma, respectively. O2 plasma exhibited an immense potential for the generation of reactive oxygen species. Meanwhile, air plasma showed better degradation performance in the presence of a radical scavenger. Moreover, degradation products were identified by mass spectroscopy analysis and degradation pathway was proposed. The gliding arc process proposed in this work is promising for the removal of TC antibiotics.
Polyethyleneimine modified activated carbon for high-efficiency adsorption of copper ion from simulated wastewater
Authors: Lan Jingming , Wang Baoying , Gong Bolin 
Published: October 2022

Abstract
In this study, activated carbon (AC) was chemically activated using sodium hydroxide (NaOH), and polyethyleneimine (PEI) was grafted onto the AC using glutaraldehyde as a cross-linking agent. Then the modified AC was applied to treat water samples containing copper ions (Cu2+). Preparation of AC-NaOH@PEI. The grafted AC was characterized, demonstrating that the specific surface area of material decreased from 959.3 to 556.9 m2/g. The ζ-potential changed from −27.2 to 10.4 mV, and the presence of a distinct flocculation on the surface of the AC was observed via scanning electron microscopy. The results demonstrated that PEI was successfully grafted onto the surface of AC. Furthermore, the adsorption results indicated that the Cu2+ adsorption capacity of AC-NaOH@PEI was greatly enhanced with increasing PEI loading. The adsorption amount of Cu2+ by the grafted AC-NaOH@PEI-200 increased from 20.02 to 47.8 mg/g. In addition, the adsorption of Cu2+ by AC-NaOH@PEI was a pH dependent process. At a pH of 6, the maximum removal rate reached 93%. The adsorption process is better described by the Langmuir and quasi-second order adsorption models, signifying that the adsorption of Cu2+ on AC@PEI consists of monolayer adsorption and chemisorption. After four adsorption-desorption cycles, AC@PEI exhibited high adsorption capacity for Cu2+, indicating that it has good regeneration ability. It is a promising adsorbent material.
Electrochemical reduction of Cr (VI) using a palladium/graphene modified stainless steel electrode
Authors: Ma Wenqing , Liu Yubo , Zhang Shaohui 
Published: October 2022

Abstract
In this study, a palladium/graphene modified stainless steel electrode was successfully prepared and applied in an electrochemical reduction device to remove Cr (VI) from the wastewater. Pd was modified onto the electrode mainly via interacting with the carboxyl group of graphene. The Cr (VI) removal efficiency was up to 99.70 ± 0.00% under the optimal condition (Pd content proportion of 3%, electrode potential of −0.9 V, pH = 2 and electrolyte concentration of 6 g/L). It was found that Cr (VI) was removed via the following processes: (1) direct electrochemical reduction by accepting electrons, (2) indirect electrochemical reduction by H2O2 that was generated from H2 in the presence of Pd, (3) adsorption through hydrogen bond, and (4) chemical reduction through alkoxy groups donating electrons. The indirect electrochemical reduction considerably promoted the Cr (VI) removal while a small amount of Cr (VI) was removed via adsorption and chemical reduction. The method could not only be used as a pretreatment technology to solve the problem of excessive Cr (VI) concentration of industrial wastewater, but also could provide reference for the electrochemical reduction of similar metal ions.
The difference between drainage channels and sewers in rural areas: from sewage quality to bacterial characteristics
Authors: Han Yun , Li Wenkai , Zheng Tianlong , Ge Guanghuan , Feng Ke , Gao Po , Cheng Wenhu 
Published: October 2022

Abstract
Channels and sewers are commonly used to collect sewage during extensively rural areas. The sewage and bacterial characteristics of rural sewage collection systems can influence their operation and maintenance performance which further affect appropriate system decision. In this study, eight rural sewage collection systems (four each of channels and sewers) were applied to evaluate the sewage quality, bacterial characteristics, and their differences of two kinds of collection systems. The results indicate that significantly distinction existed between the rural sewage collection systems of channels and sewers. Sewage in channels had higher suspended solid (SS) concentration but lower sulfide concentration than that in sewers. The SS, sulfate, and chemical oxygen demand (COD) removal capacity in channels was nearly 3.5, 4.0, and 0.6 times than those in sewers. At least 14 genera and 18 species of bacteria showed significantly distinction between channels and sewers even their main phylum, genus, and species of bacteria communities was Proteobacteria (∼70.3%), Acinetobacter (∼22.3%), and Pseudomonas fragi (∼13.8%), respectively. The structural characteristics and bacterial function caused the difference between channels and sewers. Overall, this study revealed the intrinsic and essential differences of channels and sewers, providing basic and meaningful data for rural sewage collection systems decision.
Reconstrucción histórica del Presidio de San Miguel de Cerro Gordo en el Camino Real de Tierra Adentro, en México
Authors: Acosta Roberto Carrillo 
Published: October 2022

En la historiografía sobre las fortificaciones preocupa que exista poco material registrado, pero todavía es más escaso el que hay sobre el norte de México. También es preocupante que el patrimonio material se está perdiendo, cada vez hay más abandono y ruina en las evidencias materiales, incluso, en muchos casos, pérdida total. Una gran oportunidad se abre aquí para la reconstrucción histórica, pero también de registro virtual de los espacios patrimoniales olvidados para su posterior puesta en valor, como es el caso del Presidio de San Miguel de Cerro Gordo.
Gentrificación en el Centro Histórico de Lima. Estudio de caso: gestión de la Municipalidad Metropolitana de Lima 2011-2014, en el sector de Barrios Altos que pertenece al área inscrita en la lista del Patrimonio Cultural de la Humanidad
Authors: Roldán Villanueva Omar 
Published: October 2022

La investigación se propone mostrar las evidencias del proceso de gentrificación que se dio en un momento específico de la Gestión municipal metropolitana de Lima 2011-2014. Como el estudio de la gestión en sí es parte de un estudio mayor, una tesis de maestría, el objetivo del presente artículo se circunscribe a señalar las evidencias de gentrificación en un sector del Centro Histórico de Lima, ubicado en el área monumental de Barrios Altos, y analizar la data presentada contrastando los postulados teóricos sobre gentrificación con la realidad social, económica y arquitectónica del área de estudio.
La pesquisa se basa en el postulado de que en Barrios Altos (sector delimitado de estudio), a partir del desarrollo económico metropolitano, se está produciendo un proceso urbano con elementos visibles que afectan a la población y al patrimonio inmueble.
Apuntes teóricos sobre el patrimonio arqueológico prehispánico en Lima. El caso Garagay
Authors: Becerril Cotera Eduardo Martín 
Published: October 2022

Lima es una ciudad donde el área de sitios arqueológicos supera a las áreas verdes. El reto de afrontar dicha realidad para preservar y recuperar nuestros monumentos es enorme; para ello es necesario evaluar la teoría con la cual nos enfrentamos a dicho reto. La presente Ninvestigación propone un marco teórico basado en diversos aportes conceptuales sobre el modelo territorial prehispánico y su devenir en el tiempo. Además, busca contraponer los enfoques de gestión como la puesta en valor y el uso social para evaluar su pertinencia en el contexto actual de los sitios arqueológicos en Lima, su relevancia en la ciudad y su proceso de patrimonialización. Por último, analiza el caso de Garagay y sus dinámicas urbanas para entender su relevancia en la ciudad y los conceptos de patrimonialización afines.
ceptos de patrimonialización afines.
Assessing effectiveness of teaching practice towards quality preparation of preservice technical teachers
Authors: Olabiyi Oladiran Stephen 
Published: October 2022

The study assesses effectiveness of teaching practice towards quality preparation of preservice technical teachers for the world of work considering support received from cooperating teachers vis-à-vis: planning/development of lessons, classroom management/control, professional personality/responsibility, teaching skills, number of periods and challenges confronting preservice teachers, were investigated. The study adopted a descriptive survey research design. Data were obtained using a structured questionnaire from the sample of 82 preservice technical teachers. The collected data were analyzed using mean, standard deviation, independent sample t-test and ANOVA to test hypotheses at 0.05% level of significance. The study found that supports and training have positive impacts on preservice technical teachers with vis-a-vis training domains towards quality preparation. However, the study shows that gender and school type does not influence preservice technical teachers’ perception regards to support and training. Consequently, the study recommended that schools administrators and cooperating teachers should increase acceptability and guidance of preservice teachers, work out modalities with institutions to ensure quality preparation of teachers for the world of work, challenges identified should be taken care of to improve preservice teachers’ competence
Biodiversity is not declining in fiction
Authors: Piper Andrew 
Published: October 2022

This paper attempts to replicate the findings of the recent work, “The rise and fall of biodiversity in literature,” by Langer et al. (2021). Using a large corpus from Project Gutenberg (N = ~15,000) and a dictionary-matching method of over 240K biological taxa, Langer et al. find that the frequency and diversity of biological taxa have been declining steadily since the first half of the nineteenth century, echoing prior work in cultural analytics. This paper applies the original paper’s three primary measures to two additional data sets along with the original dataset and compares their dictionary-based method with an alternative supervised machine learning method. I find that the trajectory of biological tokens in fiction in the new data sets is directionally opposite to that shown by Langer et al. independent of the methods used (i.e. taxa rise rather than fall since the first half of the nineteenth century) but that their breakpoint estimation appears largely robust within +/- 15 years. Based on this analysis, I suggest that the discrepancy between our results is due to corpus construction rather than choice of method. I find that only conditioning on fiction in the original dataset generates results more similar to the two alternative datasets used here. In addition to emphasizing the importance of corpus construction for cultural analytics, these findings also raise larger questions about the difficulties of interpreting lexical items as indeces of social attitudes, pointing to a need for future work.
Preconstrucción de un videojuego para análisis dimensional
Authors: Mejia Camacho Alexander , Santacruz Juan , Romero Julio 
Published: October 2022

Los esfuerzos por mejorar el desempeño de los estudiantes en temas relacionados con el análisis dimensional caracterizan el ejercicio de docentes asignados al primer semestre universitario, muchos de los esfuerzos se enfocan en presentar ejercicios de análisis dimensional, sin embargo la descontextualización y el atraso tecnológico pueden interferir con la apropiación de los conceptos por parte del estudiante, en el presente trabajo se propone un marco de partida para la construcción de un videojuego que permita comprender mejor las temáticas del análisis dimensional, se realizaron grupos focales e instrumentos para la recolección de información, procurando involucrar a todos los actores del proceso, finalmente se presenta la construcción de las misiones propuestas para el desarrollo de un documento de diseño de juego.
Fundamentos y analogías para entender mejor la espectroscopía de RMN
Authors: García González Mariel Anahí , Sánchez Mendonza Ernesto , Waksman Minsky Noemí Herminia , Saucedo Alma L 
Published: October 2022

La Resonancia Magnética Nuclear (RMN) es una técnica espectroscópica utilizada en diversas áreas de las ciencias químicas, biológicas y de la salud. Es por ello, que la RMN forma parte esencial de la currícula de los programas educativos a nivel licenciatura en carreras afines a estas áreas. De acuerdo con nuestra experiencia docente, el primer abordaje de los estudiantes para aprender RMN se da a través de la lectura de bibliografía que comúnmente se encuentra en idioma inglés, por lo que hemos detectado dificultades iniciales, ya que además de la problemática asociada al dominio de la lengua extrajera, los estudiantes también tienen que lidiar con el entendimiento de conceptos de química, física cuántica y matemáticas. En este sentido, el objetivo de este artículo de divulgación es proporcionar un material didáctico que facilite a estudiantes y profesores la introducción a conceptos básicos de la teoría de RMN con ayuda de ejemplos y analogías. Este documento se recomienda como lectura previa a la impartición de la primera clase de fundamentos de RMN en los cursos de química orgánica, química analítica, química instrumental, y espectroscopía, entre otros.
Contemporary Apartment Flexibility Regarding Human Needs
Authors: Freimane Santa 
Published: October 2022

Abstract
Considering the broad variety of household types as well as future generation needs and negative impact of often housing modifications, flexibility is a crucial aspect. The research aims to evaluate to what degree Riga contemporary apartment layouts meet human needs in terms of flexible housing. The theoretical framework is based on relevant literature review. Empirical studies are based on the assessment of selected case studies. The major findings show that there is a limited housing flexibility especially in the case of the compact apartment sector. To ensure greater housing flexibility, a number of key indicators should be incorporated into the building codes.
Pengaruh Penambahan Tepung Maizena terhadap Karakteristik Kimia dan Organoleptik Saus Pisang Tongka Langit
Authors: Picauly Priscillia , Lawalata Vita , Lopuhaa Tasya 
Published: October 2022

Tujuan penelitian ini untuk menentukan konsentrasi tepung maizena yang tepat dalam pembuatan saus pisang tongka langit. Penelitian ini didesain menggunakan Rancangan Acak Lengkap (RAL) faktor tunggal dengan 5 taraf perlakuan penambahan tepung maizena yaitu 0,2%,0,4%,0,6%,dan 0,8%. Peubah yang dimati yaitu (kadar air, total asam,vitamin C,total padatan terlarut), dan sifat organoleptik (Rasa, warna, kekentalan, dan tekstur). Hasil penelitian menunjukkan bahwa saus pisang tongka langit dengan penambahan tepung maizena 0,6% merupakan perlakuan terbaik dengan kadar air yaitu 82,35 total asam 1,75%, vitamin C 0,03%, total padatan terlarut 16,3%. Hasil uji organoleptik menunjukkan bahwa saus pisang tongka langit dengan penambahan tepung maizena memiliki rasa, warna, aroma, tekstur dan tingkat penerimaan secara keseluruhan disukai panelis.
Reimagining consensual engagement in drama education: the possibilities of intimacy choreography in a “post”-COVID-19 world
Authors: Smith Kristy 
Published: October 2022

COVID-19 has brought forth new risks for students and teachers as they navigate how to engage safely with each other. It becomes necessary to consider the role of consent as a daily practice in “post”-pandemic life and explore what consent may offer young people as agents of their own bodies. In this paper, I consider how the emerging field of intimacy choreography (IC) illuminates new possibilities for engaging ethically with others. I situate this exploration in the context of drama education, guided by the following questions: how may IC provide practical tools for fostering consensual interactions amongst students, their peers, and their teachers? How may IC shed light on new ways of living more ethically with others?
This paper discusses the potential of IC through the five pillars of rehearsal and performance practice identified by Intimacy Directors and Coordinators (Percy, 2020), supplemented by IC scholarship and professional literature (Ates, 2019; Lehmann, 2018; Morey, 2018; Pace, 2020; Purcell, 2018; Sina, 2014), and reflections on my experiences as a drama teacher working with an IC apprentice and high school students to share observations of how IC promoted consent in rehearsal. This paper will conclude with suggestions for how IC can help teachers support students in a “post”-COVID-19 context.
Can we put a Number on it? Design Education Under Capitalism, Science, and Technology
Authors: Han Helen Yaqing 
Published: October 2022

In contemporary media contexts, graphic design work no longer focuses solely on the aesthetic or representational functionality of 2-dimensional design artefacts. In response to public expectations, economic imperatives, and dominant STEM narratives embracing technical innovation, design education is gradually reshaping and retooling itself in line with techno-capitalist purposes. Design education is becoming more science-driven, introducing more data-driven research methodologies and positivist approaches such as behaviourism, computer science, design engineering, and interactive design. As the discipline of design continues to evolve, there is a growing debate over whether design-making should fully embrace technology and digital media, displacing traditional design work and curriculum with data science epistemologies that align design education with corporate interests, big data, algorithmic culture, and ‘surveillance capitalism’ (Couldry & Mejias, 2019; Crawford 2021; Zuboff, 2019).
This essay provides a critical perspective on current trends in design education sectors that embrace tech-oriented methodologies and design practices. I argue that uncritically translating the discipline of design for digital culture risks exacerbating these equity issues and power relations. Furthermore, this essay discusses what priorities in design education foster critical and even activist forms of creativity alongside building essential design skills as well as technical and aesthetic competences.
Local Wall Cooling Effects on Hypersonic Boundary-Layer Stability
Authors: Oz Furkan , Goebel Thomas E. , Jewell Joseph S. , Kara Kursat 
Published: October 2022

Hypersonic boundary-layer stability has significant importance in vehicle design and successful operation. This paper investigates the stabilization effects of local wall cooling on the hypersonic boundary layers over a 5 deg half-angle blunt cone with a nose radius of 0.0254 mm. We employed a high-order-accurate flow solver to calculate the steady flow for a freestream Mach number of 6.0 and a unit Reynolds number of [Formula: see text]. In simulations, we considered partial wall cooling, entire wall cooling, and adiabatic wall scenarios. Furthermore, we examined partial cooling parameters such as strip location, length, and temperature profiles. We calculated the growth rates, phase speed, and [Formula: see text]-factor diagrams using a linear stability analysis. The results showed that complete wall cooling destabilizes the boundary layer. However, the cooling strip upstream of the synchronization point stabilized the boundary layer by damping the disturbances. The longer cooling strip further stabilized the boundary layer. The cooling strip placed downstream of the synchronization point destabilized the boundary layer.