bluuebunny/crossref_metadata_2025 huggingface dataset:
Effects of Telemetric Interventions on Maternal and Fetal or Neonatal Outcomes in Gestational Diabetes: Systematic Meta-Review
Authors: Eberle Claudia , Stichling Stefanie
Published: August 2021

Background

In 2019, 1 of 6 births was affected by gestational diabetes mellitus (GDM) globally. GDM results in adverse maternal, fetal, and neonatal outcomes in the short and long term, such as pregnancy and birth complications, type 2 diabetes, metabolic syndrome, and cardiovascular disease. In the context of “transgenerational programming,” diabetes mellitus during pregnancy can contribute to “programming” errors and long-term consequences for the child. Therefore, early therapy strategies are required to improve the clinical management of GDM. The interest in digital therapy approaches, such as telemetry, has increased because they are promising, innovative, and sustainable.

Objective

This study aimed to assess the current evidence regarding the clinical effectiveness of telemetric interventions in the management of GDM, addressing maternal glycemic control, scheduled and unscheduled visits, satisfaction, diabetes self-efficacy, compliance, maternal complications in pregnancy and childbirth, as well as fetal and neonatal outcomes.

Methods

Medline via PubMed, Web of Science Core Collection, Embase, Cochrane Library, and CINAHL databases were systematically searched from January 2008 to April 2020. We included randomized controlled trials, systematic reviews, meta-analyses, and clinical trials in English and German. Study quality was assessed using “A MeaSurement Tool to Assess systematic Reviews” and “Effective Public Health Practice Project.”

Results

Our search identified 1116 unique studies. Finally, we included 11 suitable studies (including a total of 563 patients and 2779 patient cases): 4 systematic reviews or meta-analyses (1 of high quality and 3 of moderate quality), 6 randomized controlled trials (2 of high quality and 4 of moderate quality), and 1 low-quality nonrandomized controlled trial. We classified 4 “asynchronous interventions” and 3 “asynchronous and real-time interventions.” Our findings indicate that telemetric therapy clearly improves glycemic control and effectively reduces glycated hemoglobin A1c levels. Furthermore, in 1 study, telemetry proved to be a significant predictor for a better glycemic control (hazard ratio=1.71, 95% CI 1.11-2.65; P=.02), significantly fewer insulin titrations were required (P=.04), and glycemic control was achieved earlier. Telemetric therapy significantly reduced scheduled and unscheduled clinic visits effectively, and women were highly satisfied with the treatment (P<.05). From fetal and neonatal short-term outcomes, some improving tendencies in favor of telemetry were determined. No long-term outcomes were detected.

Conclusions

Telemetric interventions clearly improved glycemic control, notably glycated hemoglobin A1c levels, and reduced scheduled and unscheduled clinic visits effectively, which reinforces this digital approach in the treatment of GDM.
Association Between Social Media Use and Cancer Screening Awareness and Behavior for People Without a Cancer Diagnosis: Matched Cohort Study
Authors: Qin Lei , Zhang Xiaomei , Wu Anlin , Miser James S , Liu Yen-Lin , Hsu Jason C , Shia Ben-Chang , Ye Linglong
Published: August 2021

Background

The use of social media in communications regarding cancer prevention is rapidly growing. However, less is known about the general population’s social media use related to cancer screening awareness and behavior for different cancers.

Objective

We aimed to examine the relationship between social media use and cancer screening awareness and behavior among people without a cancer diagnosis.

Methods

Data were collected from the Health Information National Trends Survey 5 Cycle 1 to 3 in the United States (n=12,227). Our study included 10,124 participants without a cancer diagnosis and 3 measures of screening awareness (those who had heard of hepatitis C virus [HCV], human papillomavirus [HPV], and the HPV vaccine) and 4 measures of behavior (those who had prostate-specific antigen tests, Papanicolaou tests for cervical cancer, as well as breast cancer and colon cancer tests). Propensity-score matching was conducted to adjust for the sociodemographic variables between the social media user and nonuser participants. Multivariable logistic regression was used to assess the association of social media use by gender. Jackknife replicate weights were incorporated into the analyses.

Results

Of the 3794 matched participants, 1861 (57.6% weighted) were male, and the mean age was 55.5 (SD 0.42) years. Compared to social media nonusers, users were more likely to have heard of HCV (adjusted odds ratio [aOR]=2.27, 95% CI, 1.29-3.98 and aOR=2.86, 95% CI, 1.51-5.40, for male and female users, respectively) and HPV (aOR=1.82, 95% CI, 1.29-2.58 and aOR=2.35, 95% CI, 1.65-3.33, for male and female users, respectively). In addition, female users were more likely to have heard of the HPV vaccine (aOR=2.06, 95% CI, 1.41-3.00). No significant associations were found between social media use and prostate-specific antigen tests in males, Papanicolaou tests and breast cancer tests in females, or colon cancer tests in both male and female users.

Conclusions

While social media services can potentially promote cancer screening awareness in the general population, but they did not improve screening behavior after adjusting for socioeconomic status. These findings strengthened our understanding of social media use in targeting health communications for different cancers.
Evaluation of an Online System for Routine Outcome Monitoring: Cross-sectional Survey Study
Authors: Wiebe Deanna E , Remers Shannon , Nippak Pria , Meyer Julien
Published: August 2021

Background

The use of routine outcome monitoring (ROM) in the treatment of mental health has emerged as a method of improving psychotherapy treatment outcomes. Despite this, very few clinicians regularly use ROM in clinical practice. Online ROM has been suggested as a solution to increase adoption.

Objective

The aim of this study is to identify the influence of moving ROM online on client completion rates of self-reported outcome measures and to identify implementation and utilization barriers to online ROM by assessing clinicians’ views on their experience using the online system over previous paper-based methods.

Methods

Client completion rates of self-reported outcome measures were compared pre- and postimplementation of an online system of ROM. In addition, a survey questionnaire was administered to 324 mental health service providers regarding their perception of the benefits with an online system of ROM.

Results

Client completion rates of self-reported measures increased from 15.62% (427/2734) to 53.98% (1267/2347) after they were moved online. Furthermore, 57% (56/98) of service providers found the new system less time-consuming than the previous paper-based ROM, and 64% (63/98) found that it helped monitor clients. However, the perceived value of the system remains in doubt as only 23% (23/98) found it helped them identify clients at risk for treatment failure, and only 18% (18/98) found it strengthened the therapeutic alliance.

Conclusions

Although the current study suggests mixed results regarding service providers’ views on their experience using an online system for ROM, it has identified barriers and challenges that are actionable for improvement.
Telemental Health For Youth With Chronic Illnesses: Systematic Review
Authors: Lau Nancy , Colt Susannah F , Waldbaum Shayna , O'Daffer Alison , Fladeboe Kaitlyn , Yi-Frazier Joyce P , McCauley Elizabeth , Rosenberg Abby R
Published: August 2021

Background

Children, adolescents, and young adults with chronic conditions experience difficulties coping with disease-related stressors, comorbid mental health problems, and decreased quality of life. The COVID-19 pandemic has led to a global mental health crisis, and telemental health has necessarily displaced in-person care. However, it remains unknown whether such remote interventions are feasible or efficacious. We aimed to fill this research-practice gap.

Objective

In this systematic review, we present a synthesis of studies examining the feasibility and efficacy of telemental health interventions for youth aged ≤25 years with chronic illnesses.

Methods

PubMed, Embase, Web of Science, PsycInfo, and Cochrane Database of Systematic Reviews were searched from 2008 to 2020. We included experimental, quasiexperimental, and observational studies of telemental health interventions designed for children, adolescents, and young adults aged ≤25 years with chronic illnesses, in which feasibility or efficacy outcomes were measured. Only English-language publications in peer-reviewed journals were included. We excluded studies of interventions for caregivers or health care providers, mental health problems not in the context of a chronic illness, disease and medication management, and prevention programs for healthy individuals.

Results

We screened 2154 unique study records and 109 relevant full-text articles. Twelve studies met the inclusion criteria, and they represented seven unique telemental health interventions. Five of the studies included feasibility outcomes and seven included efficacy outcomes. All but two studies were pilot studies with relatively small sample sizes. Most interventions were based on cognitive behavioral therapy and problem-solving therapy. The subset of studies examining intervention feasibility concluded that telemental health interventions were appropriate, acceptable, and satisfactory to patients and their parents. Technology did not create barriers in access to care. For the subset of efficacy studies, evidence in support of the efficacy of telemental health was mixed. Significant heterogeneity in treatment type, medical diagnoses, and outcomes precluded a meta-analysis.

Conclusions

The state of the science for telemental health interventions designed for youth with chronic illnesses is in a nascent stage. Early evidence supports the feasibility of telehealth-based delivery of traditional in-person interventions. Few studies have assessed efficacy, and current findings are mixed. Future research should continue to evaluate whether telemental health may serve as a sustainable alternative to in-person care after the COVID pandemic.
Best Practices for the Implementation and Sustainment of Virtual Health Information System Training: Qualitative Study
Authors: Jeyakumar Tharshini , Ambata-Villanueva Sharon , McClure Sarah , Henderson Carolyn , Wiljer David
Published: August 2021

Background

The COVID-19 pandemic has necessitated the adoption and implementation of digital technologies to help transform the educational ecosystem and the delivery of care.

Objective

We sought to understand instructors’ and learners’ perceptions of the challenges and opportunities faced in implementing health information system virtual training amid the COVID-19 pandemic.

Methods

Semistructured interviews were conducted with education specialists and health care staff who provided or had taken part in a virtual instructor-led training at a large Canadian academic health sciences center. Guided by the Technology Acceptance Model and the Community of Inquiry framework, we analyzed interview transcript themes deductively and inductively.

Results

Of the 18 individuals participating in the study, 9 were education specialists, 5 were learners, 3 were program coordinators, and 1 was a senior manager at the Centre for Learning, Innovation, and Simulation. We found 3 predominant themes: adopting a learner-centered approach for a meaningful learning experience, embracing the advances in educational technologies to maximize the transfer of learning, and enhancing the virtual user experience.

Conclusions

This study adds to the literature on designing and implementing virtual training in health care organizations by highlighting the importance of recognizing learners’ needs and maximizing the transfer of learning. Findings from this study can be used to help inform the design and development of training strategies to support learners across an organization during the current climate and to ensure changes are sustainable.
The Effectiveness of a Web-Based Self-Help Program to Reduce Alcohol Use Among Adults With Drinking Patterns Considered Harmful, Hazardous, or Suggestive of Dependence in Four Low- and Middle-Income Countries: Randomized Controlled Trial (Preprint)
Authors: Schaub Michael P , Tiburcio Marcela , Martínez-Vélez Nora , Ambekar Atul , Bhad Roshan , Wenger Andreas , Baumgartner Christian , Padruchny Dzianis , Osipchik Sergey , Poznyak Vladimir , Rekve Dag , Landi Moraes Fabricio , Monezi Andrade André Luiz , Oliveira Souza-Formigoni Maria Lucia ,   WHO E-Health Project On Alcohol And Health Investigators Group
Published: August 2021

BACKGROUND

Given the scarcity of alcohol prevention and use disorder treatments in many low- and middle-income countries (LMICs), the World Health Organization has launched an eHealth portal that includes the web-based self-help program “Alcohol e-Health.”

OBJECTIVE

We aimed to test the effectiveness of the Alcohol e-Health program in a randomized controlled trial.

METHODS

This was a two-arm, individually randomized, and controlled trial across four LMICs comparing the self-help program and a psychoeducation and internet access as usual waiting list. Participants were broadly recruited from community samples in Belarus, Brazil, India, and Mexico from January 2016 through January 2019. The primary outcome measure was change in the Alcohol Use Disorders Identification Test (AUDIT) score with a time frame of 6 months between baseline and follow-up. Secondary outcomes included self-reported numbers of standard drinks over the previous week and cessation of harmful or hazardous drinking (AUDIT score <8).

RESULTS

For this study, we recruited 1400 predominantly male (n=982, 70.1%) at least harmful or hazardous alcohol drinkers. The mean age was 37.6 years (SD 10.5). The participants were recruited from Brazil (n=587), Mexico (n=509), India (n=212), and Belarus (n=92). Overall, complete case analysis identified higher AUDIT changes in the intervention group (B=−4.18, 95% CI −5.42 to −2.93, P<.001, d=0.56) that were mirrored by changes in weekly standard drinks (B=−9.34, 95% CI −15.90 to −2.77, P=.005, d=0.28) and cessation rates for harmful or hazardous drinking (χ21=14.56, N=561, P<.001). The supplementary intention-to-treat analyses largely confirmed these initial results.

CONCLUSIONS

The expansion of the Alcohol e-Health program to other LMICs with underdeveloped alcohol prevention and treatment systems for alcohol use disorders should be considered after successful replication of the present results.

CLINICALTRIAL

ISRCTN ISRCTN14037475; https://www.isrctn.com/ISRCTN14037475

INTERNATIONAL REGISTERED REPORT

RR2-10.1111/add.14034
Drinking and Social Media Use Among Workers During COVID-19 Pandemic Restrictions: Five-Wave Longitudinal Study (Preprint)
Authors: Oksanen Atte , Oksa Reetta , Savela Nina , Celuch Magdalena , Savolainen Iina
Published: August 2021

BACKGROUND

The COVID-19 pandemic restricted everyday life during 2020-2021 for many people worldwide. It also affected alcohol consumption patterns and leisure activities, including the use of social media.

OBJECTIVE

The aim of this study was to analyze whether social media use predicts increased risky drinking over time and during the COVID-19 pandemic restrictions in particular.

METHODS

This 5-wave longitudinal survey study, based on a nationwide sample of workers, was conducted in Finland in 2019-2021. A total of 840 respondents (male: 473/840, 56.31%; age range 18-64 years; mean age 43.90, SD 11.14 years) participated in all 5 waves of the study. The outcome variable was risky drinking, measured using the 3-item Alcohol Use Disorders Identification Test (AUDIT-C). Multilevel linear hybrid modeling enabled the investigation of both within-person and between-person effects. Predictors included social media use and communication, involvement in social media identity bubbles, psychological distress, and remote working. Controls included sociodemographic factors and the Big Five personality traits.

RESULTS

Increased involvement in social media identity bubbles was associated with an increase in risky drinking behavior. Of all social media platforms examined, online dating app use was associated with riskier use of alcohol over time during the COVID-19 crisis. Daily social media communication with colleagues about nonwork topics was associated with risky drinking. Female gender, younger age, university education, nonindustrial occupational field, conscientiousness, agreeableness, and neuroticism were associated with lower levels of risky drinking.

CONCLUSIONS

Social media use during a pandemic carries some risks for alcohol consumption. Involvement in social media identity bubbles and online dating are risk factors for excessive drinking during the COVID-19 pandemic.
Applying Machine Learning for Improving Performance Classification on Driving Behavior
Authors: Fadli Ahmad Iwan , Sulistyo Selo , Wibowo Sigit
Published: August 2021

Traffic accident is a very difficult problem to handle on a large scale in a country. Indonesia is one of the most populated, developing countries that use vehicles for daily activities as its main transportation.  It is also the country with the largest number of car users in Southeast Asia, so driving safety needs to be considered. Using machine learning classification method to determine whether a driver is driving safely or not can help reduce the risk of driving accidents. We created a detection system to classify whether the driver is driving safely or unsafely using trip sensor data, which include Gyroscope, Acceleration, and GPS. The classification methods used in this study are Random Forest (RF) classification algorithm, Support Vector Machine (SVM), and Multilayer Perceptron (MLP) by improving data preprocessing using feature extraction and oversampling methods. This study shows that RF has the best performance with 98% accuracy, 98% precision, and 97% sensitivity using the proposed preprocessing stages compared to SVM or MLP.
Data Benchmark pada Google BigQuery dan Elasticsearch
Authors: Nisrina Akbar Rizky Putri  , Widyawan  , Teguh Bharata Adji
Published: August 2021

Cloud di masa kini tidak hanya berfungsi sebagai media penyimpanan data, tetapi dapat digunakan juga sebagai media untuk mengelola ataupun menganalisis suatu data. Google menawarkan Google BigQuery sebagai platform yang mampu mengelola dan menganalisis data, sedangkan Elasticsearch merupakan mesin pencari dan analisis yang dapat digunakan untuk menganalisis data dengan menggunakan Kibana. Dengan menggunakan dataset berupa cuitan hasil proses crawling melalui http://netlytic.org/ yang mengandung tagar #COVID19 dan #coronavirus, data tersebut dianalisis dan digunakan untuk membandingkan kinerjanya dengan benchmark. Benchmark merupakan proses yang digunakan untuk mengukur dan membandingkan kinerja terhadap sebuah aktivitas, sehingga tercapai tingkat kinerja yang diinginkan. Data benchmark dilakukan pada kedua platfrom untuk menghasilkan atau mengetahui beban kerja dari platfrom. Hasil akhir yang didapatkan menunjukkan bahwa Google BigQuery memiliki hasil yang lebih unggul, baik dari wadah upload untuk dataset yang lebih besar dibandingkan Elasticsearch dan dengan dua model pengujian kueri. Waktu pengelolaan kueri pada Google BigQuery juga lebih singkat dan cepat dibandingkan dengan Elasticsearch. Selain itu, hasil visualisasi dari kedua platform ini memiliki jumlah persentase yang sama.
Desain Antena Mikrostrip UWB dengan Peningkatan Lebar pita dan Karakteristik Triple Notch Band
Authors: Harfan Hian Ryanu  , Dhoni Putra Setiawan  , Edwar
Published: August 2021

Antena Ultra-Wideband (UWB) dengan karakteristik natural pita lebar adalah solusi yang baik dalam memenuhi kebutuhan perkembangan teknologi nirkabel yang saat ini membutuhkan antena yang dapat beroperasi pada beberapa pita layanan sekaligus. Namun, antena UWB tidak terlepas dari permasalahan interferensi elektromagnetik pada beberapa layanan yang tidak digunakan. Oleh karena itu, diperlukan modifikasi pada antena UWB agar dapat mengatasi permasalahan interferensi elektromagnetik tersebut. Dalam makalah ini, perancangan antena mikrostrip UWB berbentuk heksagonal monopole planar dengan karakteristik peningkatan lebar pita menggunakan struktur Electromagnetic Band Gap (EBG) dan triple notch band dengan menggunakan tiga jenis slot telah dilakukan. Pengujian dilakukan dengan mengintegrasikan struktur EBG untuk dapat bekerja pada rentang lebar pita 2,8–16 GHz pada antena, lalu menambahkan kombinasi slot berbentuk huruf L, slot horizontal, dan slot melingkar dengan ukuran dimensi yang berbeda ke dalam patch untuk mendapatkan penolakan tiga pita frekuensi, yaitu pada frekuensi WLAN (4,9−6,2 GHz), komunikasi downlink satelit X-Band (7,1−7,6 GHz), dan komunikasi Direct Broadcasting Satellite (DBS) (12,2−12,7 GHz). Dengan metode ini, berhasil diperoleh peningkatan lebar pita antena UWB dari 7,72 GHz menjadi sebesar 13,22 GHz, tanpa mengubah karakteristik pola radiasi antena. Penambahan tiga notch band juga berhasil diimplementasikan tanpa harus mengubah dimensi antena keseluruhan, yaitu sebesar 35,6 mm × 27,3 mm.
Smart Dustbin Utility System using IoT
Authors: Bhattacharya Kaushiki
Published: August 2021

Abstract: Several studies and reports of a smart dustbin are out there to reduce human efficiency and to make the city clean. Here, we will be using the idea of a smart dustbin using IoT and different sensors and work on it to make it even more effective. Each dustbin shall have the data of the distance and the filled percentage of all other dustbins, aligned to it, in its memory. When it’ll be filled up to 75% or 90%, which we’ll know by the Ultrasonic Sensor, it’ll send a signal to the municipality about its content. When the dustbin shall be 100% filled, it’ll send a signal to the municipality to empty it. The now brimmed dustbin shall display a message on the attached LCD of the nearest dustbin which is not full, along with the distance and the direction in which it resides. The dustbin calculates the closest distance from the data saved in the memory and at the same time checks if the other dustbins are filled completely or not. If both the conditions match, it displays the number and direction of that dustbin. This implementation is introduced so that people don’t dump their trash in front of the filled dustbin, rather find a nearby one. This framework helps to make the city clean in an effective way. Keywords: Ultrasonic Sensor; NodeMCU; Blynk; PHP; MySQL; IoT
A Review on Bending Strength of Asymmetric Gear
Authors: V G Pradeep Kumar
Published: August 2021

Abstract: Gear is a mechanical rotating toothed part which meshes with other similar toothed parts to transmit torque and power. Gear tends to play a very vital role in all industries. This article reviews the methodology used to investigate bending strength of asymmetric spur gear; Finite Element Method (FEM), Numerical Calculation and Investigational Techniques were usually carried out in order to understand the bending strength of spur gear. Works and experiment from the literature were studied, and their findings were extracted to understand the methods used. Next stage is to simulate the gear using Finite Element Method (FEM) in order to get the analysis of gear strength. The most important stage is to put the gears to physical experiment or testing facilities to determine and validate all data from the numerical calculation and FEM method. Therefore, this review article highlights importance of asymmetric gear in chronological order so that reader may obtain an overview of contribution of various researchers in development of gears having least bending stress. Keywords: Symmetric gear, Asymmetric gear, Bending stress and FEM.
Seismic Evaluation of RC Buildings Designed with Past Codes
Authors: Srivastav Utkarsh
Published: August 2021

Abstract: Recent earthquakes have caused past reinforced concrete buildings severe damage compared to newer buildings because they have many structural deficiencies. To prevent future losses during earthquakes, the seismic capacity of these older buildings needs to be assessed with recent codes so that appropriate measures may be implemented to mitigate their vulnerability. This report compares the seismic evaluation method of two different codes on an existing building. The guidelines of two such documents by Bureau of Indian Standards (BIS) and New Zealand Society for Earthquake Engineering (NZSEE) are presented in this report. These guidelines intend to provide a systematic procedure for the seismic evaluation of buildings which may be applied reliably to a wide range of buildings. The objective of this article is to go through the documents of the Indian Standards and the New ZealandStandards on the seismic evaluation of existing buildings and compare the results of the two. Indian code IS 15988 including IS 1893:2016 Part1 providessome analytical solution for the seismic evaluation. However, these solutions may be or may not be sufficient for all types of failure, which may be overcome by using NewZealand Draft Code (NZDC). Upon comparing the results obtained from the analysis done using the two codes, one can understand the behaviour of a structure from all perspective. In the present study, analytical and manual work has been carried out and shown in a well-explained manner and easy to understand METHODLOGY 1. Visual Survey 2. Test Plan 3. Sample and Data Collection 4. Structure Stability Analysis
Design Construction and Performance Test of a Low-Cost Pandemic Ventilator for Breathing Support
Authors: Bhoyar Ankit D.
Published: August 2021

Abstract: Mass casualty incidents such as those that are being experienced during the novel coronavirus disease (COVID-19) pandemic can overwhelm local healthcare systems, where the number of casualties exceeds local resources and capabilities in a short period of time. The introduction of patients with worsening lung function as a result of COVID-19 has strained traditional ventilator supplies. Mechanical ventilator is a medical device which is usually utilized to ventilate patients who cannot breathe adequately on their own. Among many types of ventilators Bag Valve Mask (BVM) is a manual ventilator in which a bag is pressed to deliver air into the lungs of the patient. In present work, a mechanical system along with speed controller has been developed to automate the operation of BVM. The constructed prototype contains crank, powered by servo motor, supported by wooden frame. To bridge the gap during ventilator shortages and to help clinicians triage patients, manual resuscitator devices can be used to deliver respirations to a patient requiring breathing support. With principal dimensions of 0.54*0.64 m2 , bvm weighs 0.9 kg and DC power convertor for supplying power for a continuous operation, the prototype can be moved easily. The dimensions of the frame are selected as such to be compatible with the physical dimension of Ambu bag. The performance of the device was tested using Airflow meter which illustrates that the Tidal Volume vs. Time graph of the automated system is similar to the graph produced by manual operation of the BVM, but with a mean deviation of 0.182 Litres with manual operation and 0.1 Litres with prototype. For patients who require ventilatory support, manual ventilation is a vital procedure. It has to be performed by experienced healthcare providers that are regularly trained for the use of bag-valve-mask (BVM) in emergency situations. Keywords: Mechanical Ventilator, Automated BVM, BPM, COVID-19, Ventilator design, Airflow meter
Investigation of Geochemical Sections in Exploratory Boreholes of Mesgaran Copper Deposit in Iran
Authors: Shirazy Adel
Published: August 2021

Abstract: Mesgaran copper deposit is located in Sarbisheh city of South Khorasan province of Iran. To investigate the geochemical changes of the elements with increasing depth in the deposit, geochemical sections for important minerals related to mineralization in the area including copper, lead, zinc and cobalt were drawn for 9 exploratory boreholes. In these sections, the trend of changes of different elements versus depth is shown and the resulting diagrams were drawn for different boreholes. As a result, there is a significant relationship between the elements. With increasing the drilling depth, the amount of copper decreased and the amount of copper in each section was determined according to its cause. Keywords: Geochemistry, Copper deposit, Exploratory borehole, geochemical section.
Quantum reference frame transformations as symmetries and the paradox of the third particle
Authors: Krumm Marius , Höhn Philipp A. , Müller Markus P.
Published: August 2021

In a quantum world, reference frames are ultimately quantum systems too – but what does it mean to "jump into the perspective of a quantum particle"? In this work, we show that quantum reference frame (QRF) transformations appear naturally as symmetries of simple physical systems. This allows us to rederive and generalize known QRF transformations within an alternative, operationally transparent framework, and to shed new light on their structure and interpretation. We give an explicit description of the observables that are measurable by agents constrained by such quantum symmetries, and apply our results to a puzzle known as the `paradox of the third particle'. We argue that it can be reduced to the question of how to relationally embed fewer into more particles, and give a thorough physical and algebraic analysis of this question. This leads us to a generalization of the partial trace (`relational trace') which arguably resolves the paradox, and it uncovers important structures of constraint quantization within a simple quantum information setting, such as relational observables which are key in this resolution. While we restrict our attention to finite Abelian groups for transparency and mathematical rigor, the intuitive physical appeal of our results makes us expect that they remain valid in more general situations.
TRABALHO COMO PRODUÇÃO DO VIVER
Authors: Renata Moreno  , Tatau Godinho  , Nalu Faria
Published: August 2021

Situadas em uma perspectiva feminista materialista e libertária, as formulações teóricas de Danièle Kergoat e Helena Hirata têm sido pensamento inspirador de um feminismo de esquerda e popular, em que a centralidade do trabalho na organização das dinâmicas e relações de dominação e desigualdade é tema fundante. Este texto apresenta uma interpretação sobre os vínculos entre elaborações teóricas e suas consequências políticas em contextos situados. Para isso, lançamos o olhar para a influência do pensamento destas duas autoras em um campo do feminismo no Brasil enraizado no movimento popular e sindical, influência, esta, evidenciada nas agendas feministas de enfrentamento ao neoliberalismo, em que o trabalho como produção do viver (e as trabalhadoras) tem centralidade.
FLEXIBILIZAÇÃO E PRECARIZAÇÃO DO TRABALHO DOCENTE
Authors: Felisberto Costa Matheus , Mueller Rafael
Published: August 2021

Está em curso um intenso e significativo processo de precarização das relações entre capital e trabalho ocorrido, principalmente, nas duas últimas décadas do século XX, através da expansão do regime de acumulação flexível, da globalização e das políticas neoliberais no mundo. No campo da educação, encontram-se indicativos de processos de quasi-uberização nas relações de trabalho dos trabalhadores docentes. Verifica-se, no bojo desse processo, o aumento da retirada dos direitos historicamente conquistados e o avanço exponencial da precarização sobre as suas condições objetivas. Ante o exposto, o presente trabalho é uma análise das condições de trabalho dos professores Admitidos em Caráter Temporário (ACTs) no magistério público estadual de Santa Catarina. O objetivo do trabalho é verificar a situação atual dos professores ACTs no tocante aos seus direitos, à forma de contratação e realização do trabalho. A pesquisa foi desenvolvida sob a perspectiva do materialismo histórico-dialético, sendo bibliográfica e qualitativa. Utilizou-se artigos, livros e documentos oficiais. As principais bases de dados consultados foram o Catálogo de Teses e Dissertações da Capes e a SciELO. Como resultado, destaca-se extenso contingente desses profissionais na Rede Estadual de Santa Catarina, superando o número de professores concursados e acentuado o processo de precarização das suas relações de trabalho, com contratos de trabalho temporários e parciais, além da ausência de outros direitos reconhecidos aos trabalhadores estatutários. Em conclusão, cabe destacar que no contexto analisado há uma tendência de alargamento da exploração do trabalho docente, impondo a esses profissionais as características da gig economy.
TRABALHADORES FORMAIS COM NÍVEL SUPERIOR
Authors: Carlos Eduardo Pereira do Nascimento  , Wellington Rodrigues da Silva  , Silvana Nunes de Queiroz
Published: August 2021

O presente estudo objetiva analisar, comparativamente, através do perfil ocupacional, demográfico e socioeconômico, os trabalhadores com nível superior completo, ocupados em vagas formais, nas regiões Nordeste e Sudeste, nos anos de 2006 e 2016. Pretende-se mostrar as semelhanças, diferenças e mudanças ocorridas durante esse hiato temporal, em duas regiões distintas socialmente, geograficamente e em termos econômicos. Para tanto, faz-se uso de microdados da RAIS/MTE, informações do IBGE, InepData e do CNPq. Os resultados mostram que, em 2016, de maneira surpreendente, não se observa gap expressivo entre o percentual de empregados formais com nível superior no Sudeste (21,75%) e no Nordeste (20,25%). Entretanto o número de ocupados com esse tipo de qualificação é baixo e impede o crescimento do país, bem como demanda vagas mais precárias e que remuneram mal. Ademais, as mulheres empregadas com nível superior completo são maioria, especialmente no Nordeste, contudo, apresentam diferenças nos rendimentos em relação aos homens, reiterando o papel do componente de gênero e regional que atua na desvalorização da mão de obra feminina. Assim, é preciso políticas públicas específicas e focalizadas e mais discussão e estudos sobre essa questão, com o intuito de colocar em prática a igualdade de gênero e regional.
Serviços E Atividades Essenciais Em Tempos De Covid19: Desafios Para O Direito Do Trabalho E Seus Princípios Constitucionais
Authors: Goldschmidt Rodrigo , Rodrigo Espiúca dos Anjos Siqueira
Published: August 2021

O presente artigo dedica-se à análise do impacto das alterações legislativas implementadas no ordenamento jurídico laboral brasileiro, no primeiro semestre do ano de 2020, sobre o desenvolvimento das relações de trabalho dos profissionais vinculados às atividades e serviços essenciais no contexto da pandemia COVID19. Para tanto, subdivide-se em duas partes, sendo a primeira dedicada à exposição das principais alterações normativas aplicáveis aos serviços e atividades essenciais. Na segunda metade, é realizada análise crítica, à luz do Direito do trabalho e seus princípios constitucionais, das referidas inovações normativas e dos seus impactos nos direitos laborais, e no dia a dia, dos profissionais das atividades e serviços essenciais em pleno funcionamento no contexto de pandemia. À guisa de conclusão, afirma-se que a interpretação e aplicação das mencionadas normas deve ser realizada em obediência aos princípios constitucionais laborais protetivos da pessoa trabalhadora, em especial, o da dignidade da pessoa humana. Como método de abordagem, utilizou-se o do indutivo, organizado pelas técnicas de pesquisa de análise legislativa e bibliográfica.
Estado De Calamidade Pública Enquanto Possibilidade De Limite Circunstancial Implícito De Emenda Constitucional
Authors: Leonardo da Silva Ramos Roberto
Published: August 2021

O estado de calamidade pública foi decretado pela primeira vez no Brasil em nível nacional no mês de março de 2020, decorrente da proliferação do Coronavírus, causador da Covid-19. A dinâmica social é sensivelmente afetada, dada as restrições estabelecidas pelo poder público nas esferas federal, estadual e municipal. Visando regulamentar a nova realidade, constata-se ampla produção normativa, a exemplo de leis, decretos e até mesmo de emenda constitucional, bem como a judicialização de temas pertinentes ao enfrentamento dessa emergência de saúde pública, instaurando-se uma crise institucional. Nesse contexto, indagou-se acerca da possibilidade de reconhecimento de limite circunstancial implícito ao poder de emenda da Constituição, especialmente em casos de decretação do estado de calamidade pública. O artigo utilizou-se do método de abordagem dedutivo, de procedimentos comparativo, bibliográfico e documental, realizando estudo na área constitucional a partir de atos normativos, jurisprudências e doutrinas. Partiu-se dos institutos dos poderes constituinte e constituído, evidenciando seus limites expressos e implícitos como instrumentos eficazes na manutenção da ordem constitucional que corresponda às expectativas da soberania popular, para concluir pela possibilidade da irreformabilidade circunstancial implícita da Constituição Federal na vigência do estado de calamidade pública.
Mobilidade E Pandemia: Análise Da Vulnerabilidade Dos Refugiados Diante Da Covid-19 No Nordeste Brasileiro
Authors: Rolim Peixoto Arnelle , Pinto de Sena Kananda Beatriz , Martins Cavalcanti Camilla
Published: August 2021

Na pandemia da COVID-19, são muitos os desafios referentes aos fluxos de mobilidade humana. Nesse sentido, objetiva-se analisar mobilidade internacional de refugiados no nordeste brasileiro diante da pandemia e a possível acentuação da vulnerabilidade dos sujeitos migrantes frente a esta conjuntura. O artigo está estruturado em três etapas. Inicialmente, mostrou-se o aparato (nacional e internacional) protetivo referente aos refugiados. Em seguida, analisou-se o desafio do acolhimento dos refugiados e a possibilidade da caracterização acentuada da vulnerabilidade destes por causa da pandemia da COVID-19, e, para tanto, foram utilizados dados do Ministério da Justiça, em especial do Comitê Nacional para os Refugiados (CONARE), do Alto Comissariado das Nações Unidas para os refugiados (ACNUR), e também do Ministério da Saúde. Por fim, é explicada a necessidade de instrumentos/meios que garantam a proteção de refugiados em situações agravadoras de risco, especialmente, diante dos fatos e das consequências da pandemia da COVID-19. A pesquisa usou a metodologia do tipo bibliográfica, de natureza qualitativa, com fins descritivos e exploratórios. Concluiu-se que a pandemia da COVID-19 é elemento configurador da dupla vulnerabilidade da população em situação de refúgio, e, assim, tem-se a emergência de novos marcos regulatórios e de instrumentos que possibilitem a proteção dos refugiados.
Princípio Da Vedação De Retrocesso Ambiental: Uma Visão Crítica
Authors: Antunes Paulo De Bessa
Published: August 2021

O artigo tem por objetivo discutir o chamado Princípio da Vedação do Retrocesso Ambiental. Como o artigo demonstra, o princípio é uma adaptação mecânica do historicismo ao direito ambiental e de fato, não encontra respaldo na Constituição, nem nas principais decisões do Supremo Tribunal Federal. Trata-se de uma construção que, todavia, tem se espalhado entre os autores e algumas decisões do Superior Tribunal de Justiça.  O artigo demonstra que a maior ou menor proteção ambiental, inclusive com modificações legislativas depende, essencialmente, da conjuntura econômica.
A dominação masculina em questão: emancipação das mulheres e pensamento feminista
Authors: Reis Marcus , Cargnelutti Camila
Published: August 2021

Neste artigo, partindo das reflexões de autoras como Firestone, Beauvoir, Butler, Scott e Preciado, apresentamos algumas de suas principais contribuições para a discussão da dominação masculina. Pretendemos investigar como algumas teóricas feministas, a partir da segunda metade do século XX, problematizaram a dominação masculina e, ao mesmo tempo, construíram teorias para alcançar a emancipação feminina e a revolução feminista. Ao longo do estudo, observamos como as estruturas de poder assumem diversas formas de atuação na tentativa de normatizar os corpos e comportamentos das mulheres. Da mesma forma, as alternativas apresentadas pelas autoras aqui destacadas ressaltam a necessidade de uma diversidade de abordagens para o questionamento e a transformação dessas estruturas.
“Ela é boa de cuspir, maldita Geni!”: reflexões sobre violências contra os corpos dissidentes de travestis em Campo Grande/MS
Authors: Nolasco Gabriel Luis Pereira , Lopes Zaira de Andrade , Arruda Dyego de Oliveira
Published: August 2021

Este trabalho reflete, a partir de inúmeras condições de subalternização, as múltiplas violências dirigidas aos corpos dissidentes de travestis no Brasil. As reflexões do estudo partem de referenciais teórico-metodológicos decorrentes de uma perspectiva pós-colonial e de um feminismo pós-estruturalista, que consideram que as violências engendradas contra as travestis decorrem principalmente do fato de elas performatizarem uma identidade de gênero distinta em relação àquilo que determinada os seus sexos biológicos. Em suma, a pesquisa valeu-se da coleta de dados a partir de dois procedimentos: (I) investigação documental relacionada aos casos de mortes de travestis e transexuais no Brasil e; (II) cinco entrevistas com travestis em contextos de prostituição, na cidade de Campo Grande, capital do Mato Grosso do Sul. A análise dos dados revela o conjunto de violências diretas (agressões, espancamentos e mortes) e de violências indiretas (discriminações, além de negligências quanto à direitos básicos) contra as pessoas travestis no Brasil.
Terras de homem nenhum: fabulações, lesbiandade e separatismos
Authors: Gabriel Alice
Published: August 2021

O presente texto pretende apresentar duas aventuras de separatismo lesbiano – uma escavada no âmbito da literatura e composta de ideias e letras, outra corporificada na experiência concreta de mulheres, composta de terra, sementes e enxadas. Discutindo a relevância da ficção para a imaginação de alternativas de vida anti-patriarcais e anti-capitalistas, o texto se propõe a pensar utopias lesbianas na companhia dos ecofeminismos.
Mulheres, natureza mais-que-humana e movimentos transcorpóreos em contos de fadas de Marina Colasanti
Authors: Ferreira da Silva Edilane
Published: August 2021

Neste trabalho, argumento que as personagens femininas e a natureza mais-que-humana dos contos de fadas de Marina Colasanti sofrem violências correlatas, executadas por personagens masculinas representativas da cultura capital-patriarcal. As personagens oprimidas, no entanto, resistem a essa hostilidade a partir de metamorfoses, que podem ser lidas, metaforicamente, como movimentos transcorpóreos, capazes de ressignificar a concepção das mulheres e da natureza, ambas consideradas passivas e aptas à exploração, pelo patriarcado. Sobre um possível essencialismo nessa interconexão, argumento que a autora usa-o de modo estratégico. O trabalho, portanto, desenvolve-se na esteira da ecocrítica feminista.
Uma leitura ecofeminista de árvores, jardins e do orgânico em Aaron’s Rod
Authors: Gifford Terry , N. Romariz M. Letícia
Published: August 2021

O romance Aaron’s Rod, de D. H. Lawrence é, para Robert Burden, “tradicionalmente lido como doutrinariamente antifeminista”. Em razão de ser principalmente um romance urbano, amplamente construído por meio do diálogo masculino, parece resistir a uma leitura ecofeminista. Mas, jardins, e especialmente árvores, são recorrentes no romance como locais associados a mulheres que testam a problemática consciência masculina de Aaron Sisson, o protagonista. Esses encontros com as mulheres e com a natureza parecem revelar que o enigma da natureza interior de Aaron está ligado à sua afinidade com o meio do mato [the wild], a individuação, a resiliência, a vida que desintegra na natureza exterior. Será que uma leitura ecofeminista do romance poderia oferecer novos insights à inquietação masculina de Aaron com a alteridade das mulheres e da natureza como algo inextricavelmente ligado a problemas de sua própria natureza íntima? Será possível que os conceitos ecofeministas desenvolvidos por Val Plumwood, Patrick Murphy e Greta Gaard podem oferecer novas leituras do romance?
A “Mulher de dois tempos” e representações de gênero na comunidade quilombola do Ariramba
Authors: Gonçalves de Carvalho Luciana , Castro Laiane Katrine
Published: August 2021

A partir da trajetória de vida de uma quilombola reconhecida na comunidade em que vive como "mulher-homem" e "mulher de dois tempos", este trabalho teve por objetivo analisar as representações elaboradas acerca das relações de gênero entre famílias que executam atividades agroextrativistas como meio de vida. O local de estudo é a comunidade remanescente de quilombo do Ariramba, situada na fronteira entre Óbidos e Oriximiná, no oeste do Pará. As narrativas de vida registradas junto à mulher constituem a principal fonte da pesquisa, que também envolveu a observação direta de suas atividades diárias e entrevistas com outros moradores. O papel da mulher nessa comunidade é o de ser esposa, mãe, dona de casa e, em sua maioria, ajudante do marido nas tarefas da roça. No caso de Josélia, nota-se que é no trabalho cotidiano com objetos naturais e culturais no ambiente em que vive (árvores, peixes, espingardas, plantas, e enxadas, entre outros) praticando “afazeres masculinos” que se define a condição de seu reconhecimento como "mulher de dois tempos". Nesta posição ambivalente, destacam-se os fluxos que ela realiza entre diversos espaços sociais ocupados por homens e mulheres, revelando as fronteiras e passagens entre eles.
Maternidade e maternagem: os assuntos pendentes do feminismo
Authors: Collier de Mendonça Maria
Published: August 2021

Resumo:

Este artigo inicialmente apresenta dificuldades enfrentadas pelas mães contemporâneas. Em seguida, discute motivações e conceitos que embasam a teoria e prática do Feminismo Matricêntrico (O’Reilly, 2016). Segundo esta autora, a maternidade e a maternagem permanecem como assuntos pendentes do feminismo, sobretudo nos debates acadêmicos, mas também nas práticas ativistas feministas contemporâneas. Ao final, concluímos que é necessário criar espaços para a discussão da maternidade e maternagem no Brasil, como assuntos relevantes para os estudos feministas e os estudos de gênero.

Palavras-chave: Maternidade. Maternagem. Estudos Maternos. Feminismo Matricêntrico. Gênero.
“Mãe é mãe, né pai?”: maternidade, trabalho e desigualdade em debate no Facebook
Authors: Freire de Oliveira-Cruz Milena , Dos Santos Freitas Marina Judiele , Severo Isadora
Published: August 2021

Este artigo parte do objetivo geral de refletir sobre as diferentes formas pelas quais a maternidade é reconhecida e/ou problematizada nas redes sociais digitais enquanto uma instituição que oprime as mulheres/mães. Para tanto, analisamos o caso do post “Mãe é mãe, né pai?", publicado no Facebook em 2018, a partir das diferentes posições e interpretações suscitadas pelos(as) internautas em um debate composto por mais de 10 mil comentários. A publicação, de autoria de uma mãe de três filhos que apresenta cenas da rotina materna e a sobrecarga enfrentada em seu cotidiano, questiona a desigualdade que está por trás de um modelo de maternidade intensiva e patriarcal. Para a catalogação e sistematização dos diferentes sentidos postos em circulação nos comentários, acionamos a metodologia da Análise de Conteúdo proposta pela autora Laurence Bardin (1995), refletida no âmbito das redes sociais digitais por Raquel Recuero (2015). Os 1089 comentários selecionados foram agrupados e analisados à luz dos dez pressupostos ideológicos que moldam a cultura da maternidade patriarcal, elaborados por Andrea O’Reilly (2016).