bluuebunny/crossref_metadata_2025 huggingface dataset:
Making Roads Safer and Congestion-free in Aligarh city for Pedestrians and Two-wheeler users
Authors: Khan Shahbaz Shamshad , Chaudhary Mr. Harivansh Kumar , Soni Deepak Kumar
Published: October 2022

Abstract: We Indians live in a developing country due to this reason we face lots of issues related to road congestion and safety on road for pedestrians as well as for 2-wheelers and motor vehicles due to which accidents happened for this, we need to make our infrastructure and planning in a good manner. In this paper, I will suggest ideas that can change the existing road infrastructure with a few changes and additions that will result in a reduction in trip time, congestion and road accidents. These changes will increase the LOS (Level of Service). Civil engineering branches deal with safe and efficient movements of people and goods along roadways in a multimodal system. This study will help us to make our existing roads safer for two-wheelers as well as for pedestrians.
Building a Merging and Acquisition Simulator by Knapsack and Dynamic Algorithm
Authors: Arjunan Tamilselvan
Published: October 2022

Abstract: This research paper’s goal is to build a merger and acquisition simulator. Essentially, the simulation produces choices that can be compared, evaluated, and used to make decisions. The computer model was created so that users may alter the crucial decision-making factors that are involved in the purchase process. The simulator is a transaction analytics tool that proposes stock-level asset or product category swaps between a set of participating companies within an industry that optimize their positions in the market and are also cash efficient in execution. The user can define a set of rules, which set the boundaries of the proposed transactions that are evaluated in the simulation. The simulation tool is a transaction analytics tool that proposes portfolio-level asset or product category swaps between a set of participating companies within an industry that optimize their positions in the market and are also cash efficient in execution. Overview: The simulator offers a practical tool for developing and assessing various growth and diversification plans. If this procedure is oversimplified, the actual effects of the merger on the parent firm will become less clear, making both long-term and short-term financial planning very challenging. A model has been devised that makes use of a computer's capacity to quickly handle large amounts of data in order to get around several of these drawbacks. The long-term merger and acquisition computer model that has been created will optimize the impact that an acquisition will have on the parent company's earnings per share while taking into account the dividends received and the market value per share of the acquired firm.
Researches of the pre-evacuation time of people in residential multi-storey buildings without fire warning systems
Authors: Samoshin D. A. , Istratov R. N. , Sharanova M. M. , Kochetygov V. A. , Tomin S. V. , Frolov A. G.
Published: October 2022

Introduction. According to statistics, the greatest loss of life from fires in Russia occurs in residential buildings with a height up to 28 m. At the same time, most fire protection systems are not provided in such type of buildings. In particular, in residential buildings of mentioned above height fire alarm system maybe not. That is why the real values of the pre-evacuation time (PET) in the buildings are not known, because domestic research still has not been conducted.

Goals and objectives. The aim of the work was to establish the values of the PET of people in a residential building that is not equipped with a fire alarm system.

The main tasks were to study the time to warn building occupants about a fire and to research the time of people’s reaction to a fire warning.

Methods. The method of scientific research in this work is a full-scale experiment. In the first set of experiments focus were on warning time — it was investigated how much time it took to warn all building occupants by 1, 2 and 3 notifiers. The second set of experiments were aimed to study of people’s reaction time to a fire alarm — it was determined how long it took to start evacuating from their apartments.

Results and their discussion. Studies have shown that the value of the alert time of a nine-storey building by one, two and three notifiers averaged was 20.0, 11.6 and 7.2 min, respectively. Based on the data obtained, a mathematical model was built that allows predicting the optimal number of notifiers depending on the number of storeys in the building. Studies of people’s reaction time to a fire alarm have shown that during the daytime, on average, people need less time to realize and prepare for evacuation (72 s) than at night (112 s). Combining the results obtained allowed us to determine the optimal number of notifiers to warn all people in residential building.

Conclusion. Comparison of the experimental values of the PET with the data of the current Methodology of fire risk calculation for a nine-storey house showed a discrepancy of 2.6 times.
Effect of computational grid cell size and heterogeneity of computing area for estimated fire detection time
Authors: Kalmykov S. P.
Published: October 2022

Introduction. In Russia, based on the provisions of the current regulatory documents, the time for the start of evacuation for a room in which a fire broke out is determined depending on the area of the room. According to some authors, the time of the start of the evacuation of people is a combination of “technical”, which includes the time of detection of a fire, and “psychophysical”, determined by the behavioral and organizational characteristics of the people who make it up. The fire detection time is currently not taken into account.

Purpose. Evaluation of the influence of the size of the cells of the computational grid and the inhomogeneity of the computational domain on the estimated time of fire detection.

Aims. 1. Establish the qualitative nature of the influence of the size of the cells of the computational grid and the inhomogeneity of the computational domain on the estimated time of fire detection.

2. Offer recommendations for determining the estimated time of fire detection.

Methods. For research, computer simulation methods were used using the Fire Dynamics Simulator software package.

Results and discussion. The use of grids with different cell sizes can significantly reduce the number of cells in the computational domain and, as a result, the computation time. However, this leads to rather contradictory results. The minimum time values are reduced by almost 3–4 times compared to a homogeneous computational grid, and the maximum time increases by 2 times.

Conclusions. 1. The size of the cells of the computational grid and the inhomogeneity of the computational domain have a significant impact on the time of fire detection.

2. A sufficiently large spread in the values of the estimated fire detection time may indicate an unreliable estimate of the total time for the start of evacuation and incorrect conclusions about the safe evacuation of people and/or the probability of evacuation of people.

3. For a correct estimate of the evacuation start time, taken into account the estimated fire detection time, it is recommended to use homogeneous computational grids with cell sizes not exceeding 0.25 m.
ECOINOVAÇÃO: UM ESTUDO EM EMPRESAS DE ALTO E MÉDIO IMPACTO AMBIENTAL DA CIDADE DE MARINGÁ-PR
Authors: Manosso Fernanda Paula , Sartori Rejane
Published: October 2022

Ecoinovações são inovações que contribuem para a redução de impactos ambientais. Trata-se de um elemento central nas discussões sobre desenvolvimento econômico e social em razão dos crescentes problemas ambientais resultantes da ação humana. Diversos estudos indicam para a necessidade de pesquisas que estabeleçam correlações entre as atividades de inovação e ações sustentáveis. Desse modo, este estudo teve por objetivo identificar as atividades ecoinovativas nas empresas da cidade de Maringá, Paraná, bem como os fatores motivadores e o reflexo das práticas ecoinovativas nessas empresas. Esta é uma pesquisa exploratória, com abordagem qualitativa. A coleta de dados foi realizada por meio de um questionário conduzido junto a empresas com atividades de alto e médio impacto ambiental instaladas na cidade de Maringá, Paraná. Os dados foram tabulados e interpretados por meio de estatística descritiva. Os resultados evidenciam que a pluralidade das empresas maringaenses participantes da pesquisa consideram-se ecoinovativas, bem como a maioria desenvolve inovações relacionadas a processos. Identificou-se ainda que o acesso a incentivos governamentais é baixo, assim como o estabelecimento de cooperação entre organizações. As empresas que adotaram a ecoinovação para além da redução da poluição e preservação do meio ambiente obtiveram resultados com redução de custos, melhoria na qualidade de produtos e processos e melhoria do ambiente de trabalho.
A dynamic systems analysis of factors affecting success of identity-preserved products: the case of high-oleic soybeans
Authors: Nicholson Charles F. , McRoberts Keenan C. , Öz Besir Suleyman , Kopainsky Birgit
Published: October 2022

The factors contributing to success of identity-preserved (IP) products are understood conceptually, but are rarely quantified. A combination of system dynamics modeling and group modeling building with value chain stakeholders provides a generalizable approach to quantify the relative importance of individual factors and identify information needed to assess market potential. The limited growth of IP high-oleic soybean oil (HOSO) provides a case example for application of these methods. The specific assumptions and results for HOSO will differ from other IP products, but some outcomes appear generalizable. First, the values of key drivers need to be documented over time, including the relative cost of the IP and the proportion of potential end users that are aware of the potential benefits. Because sustained cost advantages are a key driver of end-user switching behavior for HOSO, understanding the patterns for relative costs over time would be important to develop realistic estimates of sales growth. Similarly, our analyses suggest that assessment of end-user awareness is important, which may require use of alternative communication channels and monitoring efforts by key decision makers throughout the value chain, including product formulators and procurement staff.
What Do Underrepresented in Medicine Junior Family Medicine Faculty Value From a Faculty Development Experience?
Authors: Foster Krys E. , Robles Juan , Anim Tanya , Amaechi Octavia , Allen Kari-Claudia , Parra Yury , Wusu Maria Harsha , Ziegenfuss Donna Harp , Campbell Kendall M. , Rodríguez José E. , Washington Judy C.
Published: October 2022

Background and Objectives: While there is increased attention to underrepresented in medicine (URiM) faculty and students, little is known about what they value in faculty development experiences.
Methods: We performed a URiM-focused, 3-day family medicine faculty development program and then collected program evaluation forms. The program evaluations had open-ended questions and a reflection on the activity. We used inductive open coding using NVivo software. We analyzed open-ended responses and reflections, and identified themes.
Results: Seven participants provided reflections on the workshop and responses to the evaluation forms. Analysis revealed four major themes in the learners’ responses and reflections: (1) personalizing learning, (2) impacting career trajectories, (3) clarifying the writing process, and (4) creating a safe place, with frequencies of 28.2%, 26.7%, 23.6%, and 20.9%, respectively.
Conclusions: Although this faculty development experience was designed to teach writing skills to URiM junior faculty, their collective responses indicate that they found value beyond the skills taught and appreciated the approach taken in this activity.
Listening and Mediation: of agency and performative responsivity in ecological sound art practices
Authors: Halla Steinunn Stefánsdóttir  , Stefan Östersjö
Published: October 2022

Published as part of: Halla Steinunn Stefánsdóttir and Stefan Östersjö, ‘Listening and Mediation: of agency and performative responsivity in ecological sound art practices’ in ‘Practices of Phenomenological and Artistic Research’, (eds.) Alex Arteaga, Emma Cocker, Erika Goble, Juha Himanka, Phenomenology & Practice, Volume 17 (2022), No.1, ISSN 1913-4711. See here: https://journals.library.ualberta.ca/pandpr/index.php/pandpr/index
Formación de sujetos políticos desde una experiencia de educación para la paz
Authors: Díaz Gómez Álvaro , Carmona Marín Olga Lucía , Montañez Holguín Melissa
Published: October 2022

Dos pares académicos han conceptuado sobre el presente texto. El par uno argumentó “La pregunta por la participación y la construcción de ciudanía en un país signado por la violencia, la marginalidad y la exclusión se hace tarea inaplazable en el escenario de las realizaciones imposibles donde la esperanza podría abrirse paso en medio de la tensión del tiempo presente. Desde dicha perspectiva, FORMAR SUJETOS POLÍTICOS DESDE UNA EXPERIENCIA DE EDUCACIÓN PARA LA PAZ, no sólo posibilita el pensar de otro modo las oportunidades reales de significación del lugar ethopolítico de la educación en la con guración de sujetos en ciudadanía autentica, sino además, en civilidad eco-responsable sobre su quehacer y su práctica de compromiso en el proyecto de nación llamado Colombia” esta es una de las pretensiones del presente libro que da cuenta de la experiencia implementada.
A Rare Multiple Myeloma Complication as a Spinal Cord Metastasis: A Case Report.
Authors: Mansour Marah , Haider Zeinab , Khiami Lin Al , Sioufi Mohammad Saleem Talal , Takieddin Asmaa , Shamat Aiman Abo Al , Alwaw Ricarda , Musleh Mais
Published: October 2022

Multiple myeloma is a hematological cancer mostly located in the marrow
of the vertebrae, pelvis, and thighs. Although the presence of
extramedullary disease in the central nervous system is rare, herein, we
report a complicated case of multiple myeloma in the spinal cord.
An overview of CYP27B1 enzyme mutation and management: A case report and review of the literature
Authors: Zamanfar Daniel , Ghazaiean Mobin
Published: October 2022

Vitamin D-dependent rickets type 1 (VDDRIA) is an autosomal recessive
disease caused by mutations in the Cytochrome P450 Family 27 Subfamily B
Member 1 (CYP27B1) gene encoding the enzyme 1 alpha-hydroxylase. We
report a known VDDRIA case presenting with hypotonia, growth and
developmental disorders.
8-year outcomes of aortic valve replacement with the Carpentier-Edwards PERIMOUNT Magna Ease valve
Authors: Tsui Steven , Rosenbloom Michael , Abel James , Swanson Jeffrey , Haverich Axel , Zacharias Joseph , Schorlemmer Gilbert , Cohen Gideon , Moulton Michael , Lange Ruediger
Published: October 2022

Introduction The Carpentier-Edwards PERIMOUNT Magna Ease valve
is a third-generation bioprosthesis for aortic valve replacement (AVR).
This is a postapproval study reporting on its 8‑year outcomes.
Methods Adults undergoing AVR with the Magna Ease valve between
October 2007 and December 2012 were enrolled for this prospective,
nonrandomized, single‑arm, multicenter study. Assessments occurred
preoperatively, at hospital discharge, 6 months, 1 year, and annually
thereafter up to 8 years. Outcomes included safety endpoints,
hemodynamic performance, and New York Heart Association (NYHA)
Functional Class. Results Of the 258 study patients, 67.5%
were in NYHA Class I or II, and 32.5% were in NYHA Class III or IV at
baseline. Concomitant procedures were performed in 44.2%. Total
follow-up was 1,597.6 patient-years, median follow‑up was 7 years
(interquartile range: 5.5–8.0 years). Eight years following AVR,
functional class remained improved from baseline with 93.9% in NYHA
Class I/II and 6.1% in NYHA Class III; thirty-eight deaths had
occurred, eight of which were valve related; freedom from all‑cause
mortality was 80.7% (95% confidence intervals 74.9, 86.4); freedom
from valve-related mortality was 95.8% (92.8, 98.8); freedom from
reintervention, explant, major bleeding events, and structural valve
deterioration were 89.8% (85.1, 94.6), 94.8% (91.7, 97.9), 85.1%
(80.0, 90.1), and 90.1% (84.7, 95.4), respectively; effective orifice
area was 1.5±0.5 cm , mean gradient was 14.8±8.3
mmHg, and 88.6% of patients had no or trivial aortic regurgitation.
Conclusions This study demonstrated satisfactory safety and
sustained hemodynamic and functional improvements at 8 years following
AVR with the Magna Ease valve.
A new GTSeq resource to facilitate multijurisdictional research and management of walleye Sander vitreus
Authors: Euclide Peter , Larson Wes , Bootsma Matthew , Miller Loren , Scribner Kim , Stott Wendylee , Wilson Chris , Latch Emily
Published: October 2022

Conservation and management professionals often works across
jurisdictional boundaries to identify broad ecological patterns. These
collaborations help to protect populations whose distributions span
political borders. One common limitation to multijurisdictional
collaboration is consistency in data recording and reporting. This
limitation can impact genetic research which relies on data about
specific markers in an organism’s genome. Incomplete overlap of markers
between separate studies can prevent direct comparisons. Standardized
marker panels can reduce the impact this issue and provide a common
starting place for new research. Genotyping-in-thousands (GTSeq) is one
approach used to create standardized marker panels for non-model
organisms. Here we describe the development, optimization, and early
assessments of a new GTSeq panel for use with walleye (Sander
vitreus) from the Great Lakes region of North America. High
genome-coverage sequencing conducted using RAD-capture provided
genotypes for thousands of single nucleotide polymorphisms (SNPs). From
these markers, SNP and microhaplotype makers were chosen that were
informative for genetic stock identification (GSI) and kinship analysis.
The final GTSeq panel contained 500 markers, including 197
microhaplotypes and 303 SNPs. Leave-one-out GSI simulations indicated
that GSI accuracy should be greater than 80% in most jurisdictions. The
false-positive rates of parent-offspring and full-sibling kinship
identification was found to be low. Finally, genotypes could be
consistently scored among separate sequencing runs >94% of
the time. Results indicate that the GTSeq panel we developed should
perform well for multijurisdictional research throughout the Great Lakes
region.
The evolutionary history of the lethal amanitin biosynthesis genes in Amanita rubescens complex edible mushrooms and its potential health risk
Authors: Quintero-Corrales Christian , Vega Melania , Hernández-Rico Nallely , Octavio-Aguilar Pablo , Garibay-Orijel Roberto
Published: October 2022

Horizontal gene transfer (HGT) is one of the most interesting
evolutionary events in Eukaryotic life. It has been proven that fungi
share genes or gene clusters with other organisms such as plants,
animals, or other fungi. The amatoxins biosynthesis metabolic pathway
produces lethal bicyclic peptides responsible for most of the deaths by
mushroom poisoning. It is assumed that involved genes passed from
Galerina and Lepiota to the Amanita secc. Phalloidae species by HGT. We
used de novo genome assembling and gene mining for homologous amanitin
genes among Agaricomycetes lineages. Phylogenetic and reconciliation
trees were constructed to address the evolutionary history of POP gene
family responsible for amanitin maturation. We also looked for the
potential cytotoxicity of sequenced samples on plant bioassays. New and
known edible species in Amanita rubescens complex have, partially or
completely, the gene’s package implied in the synthesis of amatoxins,
making them potentially capable of synthesizing these lethal
metabolites. The evolutionary history of these genes is more complex
than previously reported involving at least ten HGT events, four
duplication events, other fungal genera such as Piloderma and Russula,
and several edible mushrooms. Furthermore, we showed that samples from a
traditionally consumed species within Amanita rubescens complex had the
same cytotoxicity capabilities as the lethal amanitas from the
Phalloideae section. In conclusion, several old duplications and
horizontal gene transfer events originated a cryptic diversity of the
POP gene family in toxic and edible fungi raising questions on the safe
consumption of species in the A. rubescens complex.
Investigations on the effect of standing ultrasonic waves on the microstructure and hardness of laser beam welded butt joints of stainless steel and nickel base alloy
Authors: Grajczak Jan , Nowroth Christian , Twiefel Jens , Wallaschek Jörg , Nothdurft Sarah , Hermsdorf Jörg , Kaierle Stefan
Published: October 2022

Joining dissimilar metals with superior quality is important to provide tailored, lightweight, and cost-efficient components. Expensive and durable materials are exceptionally used where the cheaper material would not withstand the requirements. With laser beam welding, dissimilar metals can already be joined with high precision, low heat input, and a customizable mixing degree. Introducing ultrasonic excitation into the weld pool is a promising approach for further improvements like customizing the solidification morphology and avoiding weld defects. The experiments are carried out with round bars of 30 mm diameter made of 1.4301 steel alloy and 2.4856 nickel base alloy. Ultrasonic-assisted laser beam butt welding is conducted on rotating specimens with a laser beam power of 7.75 kW and a welding speed of 0.95 m/min. The specimens are evaluated by metallographic cross sections, hardness measurements, and energy-dispersive x-ray spectroscopy (EDX). The ultrasound is used to excite an eigenmode of the sample and the weld position is varied at stress- and displacement-nodes. Two different mechanisms of acoustic grain refinement are revealed. Heterogeneous nucleation is fostered in weld seams that are positioned in stress-nodes, and the fragmentation of dendrites is fostered in displacement-nodes. The welds' chemical compositions correspond to the change of solidification morphology.
Politizar el recuerdo: la experiencia de perder un hijo por “gatillo fácil” en Córdoba, Argentina
Authors: Bonvillani Andrea
Published: October 2022

El propósito de este trabajo es dar cuenta del registro subjetivo de la experiencia de profundo dolor de madres de jóvenes asesinados por la policía de la Provincia de Córdoba (Argentina), mediante el análisis de entrevistas e intervenciones públicas de un grupo de mujeres que han padecido esta pérdida en condiciones extremas. Uno de los ejes que emergen de este estudio lo denomino politización del recuerdo: consiste en mantener viva la memoria de la vida del hijo-muerto, oponiendo una narrativa reivindicatoria frente a la construcción de la opinión pública, agenciada en particular por los medios hegemónicos, que los construyen como delincuentes merecedores de ese final y, por ende, justifican estas prácticas policiales. Este aspecto supone una lucha en el plano simbólico en términos de reconocimiento y respeto, con consecuencias en la dimensión jurídica, al constituirlo en un hecho judiciable.  

 

Palabras clave: politizar el recuerdo; gatillo fácil; madres; jóvenes; Argentina
METODE PERANCANGAN PRODUK DALAM TEKNIK MESIN
Authors: Nasution Zuanda Maulana , Sari Delima Yanti , Nabawi Rahmat Azis , Rifelino Rifelino
Published: October 2022

Kunci keberhasilan engineer dalam merancang dan mengembangkan produk ialah metode perancangan yang digunakan. Zaman sekarang tersedia banyak macam dari metode untuk merancang alat atau mesin seperti metode French, Pahl and Beitz, Ulman, VDI (Veren Deutcher Ingenieure) dan metode Ibrahim Zeid. Tujuan penelitian ini adalah membandingkan 3 metode perancangan yaitu, French, Pahl and Beitz dan VDI (Veren Deutcher Ingenieure) untuk merancang sebuah alat atau mesin. Metode penelitian yang digunakan adalah literature review yang bersifat analisis deskriptif. Teknik desain merupakan tahapan dalam membantu teknisi menciptakan suatu produk yang dibutuhkan untuk memudahkan suatu tugas atau aktivitas manusia. Hasil pengujian ini diperoleh tahapan kegiatan tiap metode perancangan. Metode French terdiri dari analysis of the problem, conceptual design, embodiment of schemes dan detailing. Metode Pahl and Beitz terdiri dari clarification and definition of problem, function structures, basic solution, modular structures, preliminary embodiment design, overall embodiment design dan product documentation. Metode VDI (Veren Deutcher Ingenieure) terdiri dari clarification of the task, conceptual design, embodiment concept dan detail design. Kesimpulan penelitian menjelaskan metode VDI (Veren Deutcher Ingenieure) merupakan metode perancangan dengan tahap yang komplek dimana tiap tahapan dijelaskan secara rinci sehingga dapat membantu engineer, terutama engineer pemula dalam pembuatan dan pengembangan produk terutama bidang teknik mesin.
PENGEMBANGAN MEDIA PEMBELAJARAN AUGMENTED REALITY BERBASIS ANDROID PADA MATA KULIAH TEKNOLOGI PEMESINAN
Authors: Muklis Muklis , Prasetya Febri , Ambiyar Ambiyar , Sari Delima Yanti
Published: October 2022

Kegiatan pembelajaran dapat berlangsung secara lancar apabila diiringi dengan ketersediaan media pembelajaran yang tepat. Pembelajaran pada mata kuliah Teknologi Pemesinan memerlukan kegiatan praktik secara langsung, contohnya dalam memahami penggunaan mesin bubut. Situasi pandemi Covid-19 yang melanda Indonesia mendesak perguruan tinggi agar mampu melangsungkan perkuliahan melalui kegiatan daring. Hal ini menyebabkan mahasiswa mengalami kesulitan dalam memahami penggunaan mesin bubut. Penelitian ini bertujuan untuk mewujudkan media pembelajaran bagi mahasiswa jurusan Teknik Mesin angkatan 2021 pada mata kuliah Teknologi Pemesinan melalui pemanfaatan media interaktif Augmented Reality. Metode penelitian yang digunakan ialah Research and Development dengan jenis pengembangan Plomp. Penelitian dilangsungkan di Jurusan Teknik Mesin FT-UNP. Subyek penelitian adalah 45 orang mahasiswa jurusan DIII Teknik Mesin angkatan 2021. Berdasarkan pengujian validasi oleh ahli materi terhadap pengembangan aplikasi Augmented Reality pada mata kuliah Teknologi Pemesinan memperoleh nilai sebesar 90,2% yang berarti sangat valid. Pengujian validasi oleh ahli media menghasilkan penilaian sebesar 92,8% yang berarti sangat valid. Pengujian validasi oleh ahli bahasa menghasilkan penilaian sebesar 82,5% yang berarti sangat valid. Pengujian praktikalitas yang dilakukan oleh dosen terhadap pengembangan aplikasi Augmented Reality pada mata kuliah Teknologi Pemesinan menunjukkan hasil sebesar 87,5% yang berarti bahwa pengembangan aplikasi Augmented Reality sangat praktis. Hasil uji praktikalitas yang dilakukan oleh mahasiswa menunjukkan persentase nilai sebesar 93,1% yang berarti sangat praktis. Hal ini dapat disimpulkan bahwa media pembelajaran Augmented Reality Berbasis Android pada Mata Kuliah Teknologi Pemesinan sangat valid dan sangat Praktis dan layak untuk digunakan.
Characteristics of outdoor motorized scooter-related injuries: analysis of data from the electronic Canadian Hospitals Injury Reporting and Prevention Program (eCHIRPP)
Authors: Desiateryk Sofiia , Do Minh T. , Zutrauen Sarah , Wang Ze , Iynkkaran Ithayavani , Ghandour Lina , McFaull Steven R. , Butler Greg , Cheesman James , Champagne Andre
Published: October 2022

Introduction

The use of motorized scooters is gaining popularity in Canada and elsewhere. This study aims to summarize characteristics of injuries related to use of motorized scooters using data from the electronic Canadian Hospitals Injury Reporting and Prevention Program (eCHIRPP) and to analyze trends. The eCHIRPP collects information associated with the injury event and clinical information related to treatment (the injured body part, the nature of the injury, injury intent and treatment received) from 11 pediatric and 9 general hospitals across Canada.

Results

A free­text search using keywords identified 523 cases related to motorized scooter injuries between January 2012 and December 2019. Most of the injuries reported were among males (62.7%). Fracture/dislocation was the most frequent injury (36.9%),and 14.3% of all patients were admitted to hospital. Joinpoint regression showed a statistically significant increase in injuries related to motorized scooter use between 2012 and 2017 (annual percent change of 18.4%).

Conclusion

Study findings indicate the need for continued preventive efforts and improved educational messages on safe riding and the importance of the use of protective equipment to prevent injuries among riders.
Influence analysis of piano music immersion virtual reality cooperation based on mapping equation
Authors: Wang Minju
Published: October 2022

In order to explore the influence of piano music immersive virtual reality cooperation, a method of VR image recognition based on mapping equation is proposed. Firstly, through the feature extraction of the image, the main color of the target image is obtained, and the extracted results are smoothed. Through the two steps of color space conversion and tone reverse mapping, the morphological transformation of the image is realized to obtain the transition image. The K-means clustering matching operation is performed on the transition image, and the optimal energy equation of color migration is obtained by hierarchical migration and global migration. The reverse mapping color migration algorithm is put into the virtual reality technology. A virtual piano is developed with HTC Vive suite and Leap Motion sensor fixed on the helmet as the hardware platform, and Unity3D and related StreamVR plug-ins and Leap Motion plug-ins as the software platform. The virtual piano forms a virtual keyboard with a cube component. By compiling the script response function of the cube component being approached and pressed or released, the performance events of the virtual piano keyboard are recorded, and the sound of the virtual piano is further realized with the help of MIDI. The experimental results show that 400 groups of data are collected for the four gesture movements, of which 300 groups are used for training modeling and 100 groups for recognition. The gesture recognition results based on HMM are shown in figure 3, and the visible recognition rate can reach more than 88%. It is proved that the immersion of 3D virtual piano is much higher than that of 2D virtual piano displayed on ordinary computer screen; Moreover, it can be played naturally with both hands, and the sense of comfort and fluency is much stronger than the 2D virtual piano played with the help of mouse and keyboard.
Influence of direct-fed microbial blend and Ferula elaeochytris on in vitro rumen fermentation pattern and degradability during simulated ruminal acidosis
Authors: Sizmaz Ozge , Mickdam Elsayed , Eren Gultepe Eyüp
Published: October 2022

Introduction

The use of probiotics and phytobiotics has attracted interest because of their protective effect against acidosis. Ferula elaeochytris (FE) is considered a good source of bioactive compounds, mainly monoterpene α-pinene. This study aimed to investigate the effect of a direct-fed microbial blend (Pro) and FE on rumen fermentation parameters in vitro under normal and acidosis conditions.

Material and Methods

An in vitro experiment using the Hohenheimer Futterwerttest (HFT) gas production system was conducted. An acidosis challenge was made to compare the effectiveness of the probiotics blend and FE extract on ruminal pH regulation. To generate different ruminal fermentation parameters, the design of the trial considered the 2 additives (Pro and FE) × 6 incubation times (2, 4, 8, 12, 24 and 48 h) × 2 conditions (acidosis and normal) × 2 incubation runs for each feedstuff (barley, alfalfa and straw).

Results

An acidosis challenge was successfully induced. The Pro and FE additives had no impact on the observed rumen fermentation parameters such as volatile fatty acid concentration or ammonia (P = 0.001). The acidosis condition decreased total in vitro degradability (IVD) by 3.5% and 21.9% for barley and straw, respectively (P < 0.001). The additives had different significant effects on the IVD of nutrients during both normal and acidosis conditions. In alfalfa samples, FE supplementation significantly decreased the IVD of all observed nutrients under the ruminal acidosis condition, although it had no effect during the normal condition.

Conclusion

An acidosis challenge was successfully induced and the effect of additives was varied on fermentation parameters and rumen degradability of different feeds either under normal or acidosis conditions.
Crime and punishment in the life and work of F. M. Dostoevsky. To mark the 200th anniversary of the writer's birth and the 155th anniversary of his novel "Crime and Punishment"
Authors: Emelianov Boris Vladimirovich , Ionaitis Olga Borisovna
Published: October 2022

The purpose of the study is to consider the concept of "philosopheme", which allows analyzing such basic categories of philosophical and legal reflections of the writer and thinker F.M. Dostoevsky as crime and punishment and correlating their interpretation with his personal life experience. The scientific novelty of the work lies in the fact that through the disclosure of the content of the philosophems "crime" and "punishment", the existential aspects of F.M. Dostoevsky's anthropological and philosophical-legal reflections are revealed. As a result of the analysis of Dostoevsky's novel "Crime and Punishment", his other works, the writer's letters, autobiographical testimonies, it becomes clear that the core of these philosophies for Dostoevsky is a moral code that allows a person to overcome the" disconnection "and" disconnection " of modern man's being both with himself and with society.
Aristotle in the work of Werner Jeager: the context of appearance
Authors: Pavlova Daria Alexandrovna , Cheban Alexey Georgievich
Published: October 2022

The purpose of the study is to reveal the contextual features of the actualization of the ancient heritage, in particular, the figure of Aristotle in German thought in the first half of the twentieth century, in particular, in the work of Werner Jaeger. The article examines the relationship between classical philology and philosophy in the academic environment, as well as the influence on the philosophy from the poetic circle of Stefan George. The scientific novelty lies in the identification of non-philosophical factors determining scientific research at the beginning of the twentieth century, which contributed to the appeal to the ancient heritage in Germany. As a result, authors identify the main stages that German humanitarian thought went through from classical philology to its own historical and philosophical studies of antiquity, in particular, the figure of Aristotle.
Shamanism in a modern globalizing world
Authors: Polyakova Olga Andreevna
Published: October 2022

The purpose of the study is to reveal the phenomenon of modern shamanism (neo-Shamanism), founded by M. Harner. To define the problems of the emergence and development of shamanism as a primitive religion and its modern interpretation of terminology with its significance in the spiritual life of society. The article discusses a way of rebirth and transformation of shamanism due to the shaman's journey into a daily reality by building a complete picture of the world, that is, cartography. The scientific novelty is that on the example of modern shamanism (neo-Shamanism) it is possible to prove the principle of the leadership qualities of the modern shaman, which help a modern person find support in the global world. Shamanism aims to preserve traditional knowledge and transfer to future generations. As a result, it was revealed that shamanism is able not only to form, but also to develop relations between man and nature.
Appropriation of public space: combining the Wayfinder methodology and tactical urbanism in a park in the city of Latacunga
Authors: Cisneros Corrales Edison Patricio
Published: October 2022

The paper exposes an intervention proposal for an urban park in the city of Latacunga, Cotopaxi (Ecuador). The potential intervention seeks to promote the appropriation of public space where people and future users act as protagonists of the change, by contributing ideas and initiatives to create a place that considers their opinions, needs and suggestions. In order to achieve this, the proposal used the Wayfinder methodology, an avant-garde approach that assesses, plans, and acts in social-ecological systems to achieve sustainable, safe and fair transformations. Likewise, it proposes tactical urbanism activities as practical strategies to accomplish the project’s objective. The paper concludes that an intervention of this type is viable and capable of generating outstanding results regarding urban public space appropriation. Being viable, it is established that it can be executed in the short term, in accordance with the guidelines presented in the text.
des-ensordecimiento como forma de activación de la escucha ampliada en el arte sonoro
Authors: Díaz Ramos Estefanía
Published: October 2022

La continua naturalización de los sonidos del entorno desarrollada por medio de una escucha selectiva ha contribuido con diferentes procesos de adiestramiento sensorial, que identifican como ruido a todo aquello que moleste o impida un tránsito rápido y desatento, en un mundo que descarta la contemplación.
Frente a este ensordecimiento sistemático, en el campo del arte sonoro emergen procesos de escucha ampliada y empática, relacionados con la activación de la percepción de aquellos sonidos, paisajes, relatos y narrativas descartadas.
Este breve texto busca indagar sobre algunas formas en las que la plástica sonora se ha enfrentado al silenciamiento del entorno. Así, a través del concepto de des-ensordecimiento se pretende reflexionar sobre cómo diferentes estrategias sonoras aportan a la desestabilización de un oído social neutralizador; abriendo la puerta a un conjunto de producciones híbridas que cuestionan la escucha selectiva y validan sonoramente aquel ruido que transforma nuestro habitar en el mundo.
Tropical Materialisms: Toward Decolonial Poetics, Practices and Possibilities
Authors: Benitez Christian Jil R. , Lundberg Anita
Published: October 2022

Tropical Materialisms concur on at least three things: humans are always entangled with non-human/material agents; such entanglement is necessary for any creative act to take place; and these same entanglements allow us to interrogate and re-evaluate preconceived notions about the world. This Special Issue aligns itself with the fields of new materialism and posthumanism. What is particularly exciting is the opportunity to rearticulate these fields in tropical terms, that is, with scholarly and creative practices from and about the tropical world. This focus is crucial given that current scholarship in new materialism and posthumanism predominantly comes from European temperate contexts and is informed by Western philosophies. In order to decolonize the ontological turn, this Special Issue recognises not only that colonial knowledge systems impacted the tropics, but also that matter’s liveliness was and is well understood in Indigenous cosmologies, ancient philosophies and ‘animist materialism’. The papers collected together in this special issue offers materialisms informed by decolonizing intuitions. They variously demonstrate how the tropics, as geographic zone and as pertaining to poetics (via "tropes"), can theoretically inform and historically problematise new materialism and posthumanism. They offer new vocabularies through which discourses on "tropical materialism" may be initiated; and a cartography of practices across disciplinary fields which demonstrate what this "tropical materialism" may be. The Special Issue collection it itself a form of poiesis: a creative engagement with the world.
ANALISIS KEMAMPUAN BERPIKIR KRITIS SISWA SMP DALAM MEMECAHKAN MASALAH MATEMATIKA MATERI BENTUK ALJABAR DITINJAU DARI GAYA KOGNITIF REFLEKTIF DAN IMPULSIF
Authors: Rahayu Guvinta , Kurniati Dian , Jatmiko Dhanar Dwi Hary , Lestari Nurcholif Diah Sri , Ambarwati Reza
Published: October 2022

Students' critical thinking skills in learning are very important to have in the 2013 curriculum. The purpose of the study was to describe the critical thinking skills of students in SMP Negeri 7 Jember class VII J in solving mathematical problems in algebraic material, in terms of reflective and impulsive cognitive styles. This research is a descriptive study that uses a qualitative approach with 4 research subjects from class VII J consisting of 2 reflective subjects and 2 impulsive subjects. Data collection techniques used are tests and interviews. Data analysis techniques were carried out by reducing data, presenting data and drawing conclusions. Technique of data validity using triangulation method. The results of the research that have been carried out are that reflective subjects are able to meet all of the FRISCO critical thinking indicators (Focus, Reason, Inference, Situation, Clarity and Overview) in solving critical thinking test questions tend to be thorough, take a long time and the answer is correct. Impulsive subjects were only able to fulfill some of all the FRISCO critical thinking indicators (Focus, Reason, Inference, Situation, Clarity and Overview), namely focus and situation. Impulsive subjects cannot solve critical thinking questions because they do not understand how to solve problems.
Instability and Transition of Hypersonic Boundary Layer on a Blunted Delta Wing
Authors: Yao Shiyong , Duan Yi , Tian Chuan , Li Siyi , Yang Pan , Duan Hui Shen
Published: October 2022

The instability and transition of hypersonic boundary layer on a blunted delta wing is performed by numerical simulation of experiments conducted in the quiet wind tunnel. Disturbances are calculated using linear stability theory to obtain the integrated disturbance growth rates and amplification factors from laminar steady base flows. Comparisons are made between the results of the stability analysis and the experimentally measured transition characteristics. The results show that the generalized inflections existing in velocity profiles reveal both the streamwise instability and crossflow instability of the boundary layer on the delta wing. In the parameter spaces of frequency and wave number, there is only one unstable region in which the first-mode and second-mode waves are integrated with each other at [Formula: see text] angle of attack, whereas the unstable regions of the first-mode and second-mode waves are separately distributed at angle of attack of [Formula: see text]. The numerically predicted [Formula: see text] factor distribution is in good agreement with the measured transition front, and the [Formula: see text] factor is about 3 when boundary-layer transition occurs. The low-frequency unstable waves with about 25–30 kHz play a key role in dominating the boundary-layer transition of the delta wing.
Designing Sun–Earth L2 Halo Orbit Stationkeeping Maneuvers via Reinforcement Learning
Authors: Bonasera Stefano , Bosanac Natasha , Sullivan Christopher J. , Elliott Ian , Ahmed Nisar , McMahon Jay W.
Published: October 2022

Reinforcement learning (RL) is used to design impulsive stationkeeping maneuvers for a spacecraft operating near an [Formula: see text] quasi-halo trajectory in a Sun–Earth–Moon point mass ephemeris model with solar radiation pressure. This scenario is translated into an RL problem that reflects the desired stationkeeping goals, variables, and dynamical model. An algorithm from proximal policy optimization is used to train a policy that generates stationkeeping maneuvers while transfer learning is used to reduce the computational time required for training. The trained policy successfully generates stationkeeping maneuvers that result in boundedness to the vicinity of the selected reference trajectory with low total maneuver requirements, producing comparable results to a traditionally formulated constrained optimization scheme.
Edge-Based Viscous Method for Node-Centered Finite-Volume Formulation on Tetrahedra
Authors: Liu Yi , Diskin Boris , Nishikawa Hiroaki , Anderson William K. , Nielsen Eric J. , Wang Li
Published: October 2022

This paper presents a novel, efficient, edge-based viscous (EBV) discretization for finite-volume, node-centered formulations on tetrahedral grids. This new method is implemented in a practical, unstructured-grid Reynolds-averaged Navier–Stokes solver and applied to viscous-kernel computations that include evaluations of mean flow viscous fluxes, turbulence-model diffusion terms, and the corresponding Jacobian contributions. The EBV method uses an efficient loop over edges and features a compact discretization stencil based on nearest neighbors. This study verifies the EBV method by comparing its accuracy and iterative convergence with those of a well-established method based on a cell-based approach to discretization of viscous fluxes. Multifold efficiency gains for all viscous-kernel computations on tetrahedral grids are reported, leading to a significant reduction of the overall time to solution.
Hilbert–Huang Spectral Analysis of Cavity Flows Incorporating Fluidic Spoilers
Authors: Bacci David , Saddington Alistair J.
Published: October 2022

Numerical aeroacoustic analysis was conducted on an M219 cavity geometry, incorporating signature suppression features and leading-edge fluidic spoilers. The numerical model was validated against existing experimental data. The palliative properties of fluidic spoilers were investigated at Mach numbers of 0.85, 1.20, and 1.80 with blowing coefficients of 0.03 and 0.06. The results are presented for the acoustic spectrum, and further analysis was conducted using the Hilbert–Huang methodology. The fluidic spoilers were able to considerably reduce the overall level of acoustic noise and to reduce and/or suppress the resonant modes typical of cavity flows. The effectiveness of the spoilers was a direct consequence of their effect on the detached shear layer, of which the trajectory and coherence were altered. The Hilbert–Huang spectral analysis provided an enhanced understanding of the complex nature of the aeroacoustic behavior of the cavity. Acoustic modes were identified that, together with the Rossiter–Heller tones, governed the behavior of the spectrum. This demonstrated how the generated tones, appearing inside the cavity, were a result of complex nonlinear interactions between shear-layer acoustic instabilities and centrifugal instabilities originating in the flow recirculating in the internal part of the cavity. This also demonstrated that the fundamental frequencies had frequency and amplitude modulation characteristics that spread the energy in a wide bandwidth. This is not captured by classical Fourier analysis.