bluuebunny/crossref_metadata_2025 huggingface dataset:
Factors associated with routine vaccination card retention among children aged 0–59 months in Yaounde-Cameroon: A cross-sectional survey
Authors: Yakum Martin Ndinakie , Funwie Atanga D. , Ajong Atem Bethel , Tsafack Marcellin , Ze Linda Evans Eba , Ekukole Ekome Serge Raoul , Shah Zahir
Published: August 2022

Background

The routine vaccination card is an important health record for children, but recent findings suggest that vaccination card retention in Cameroon is low, varying from 29%-53%. The aim of this study was to assess factors associated with children’s routine vaccination card retention in Cameroon.

Methods

This cross-sectional survey was conducted in Yaoundé in November 2021, targeting children aged 0–59 months. Participants were selected using a 2-stage systematic cluster sampling in which households were selected by a restricted sampling technique. Data were collected by interviewing the children’s parents/guardians, and a vaccination card was said to be retained if it was presented to the interviewer by the interviewees. Data were analysed using multiple logistics regression with R version 4.1.0 (2021-05-18).

Findings

A total of 529 households were assessed with 361 children aged 0–59 months enrolled: 51% girls and 49% boys. Children aged 0–11 months represented 24.4% of all participants, and children aged 12–59 months were 74.6%. Vaccination card retention was 24% (87), and positive predictors of card retention included: girl child (adjusted Odds Ratio = 1.34, p-value = 0.0269), the respondent being one of the biological parents of the child: mother (adjusted Odds Ratio = 5.97, p-value = 0.0034) or father(adjusted Odds Ratio = 4.69, p-value = 0.0067), and living in a richer household (adjusted Odds Ratio = 1.56, p-value = 0.038). On the other hand, negative predictors of card retention were: child aged 12–23 months (adjusted Odds Ratio = 0.44, p-value = 0.0209) or aged 24-59months (adjusted Odds Ratio = 0.13, p-value = 0.0000), and having an employed mother (adjusted Odds Ratio = 0.34, p-value = 0.0066).

Conclusion

Vaccination card retention in children aged 0–59 months in Yaoundé is low when compared with findings reported by studies from other locations in Cameroon. Besides, the poor and older children have lower odds of keeping routine vaccination cards. There is a need to design interventions to improve vaccination card retention, which considers household wealth and the age of the child.
Association between atrial fibrillation and risk of end-stage renal disease among adults with diabetes mellitus
Authors: Chang Yu-Kang , Fan Hueng-Chuen , Lin Chi-Chien , Wang Yuan-Hung , Tsai Wan-Ni , Lim Paik-Seong
Published: August 2022

Diabetes mellitus (DM) is an important risk factor in patients with end-stage renal disease (ESRD). DM is associated with the development of cardiovascular diseases, such as atrial fibrillation (AF), due to poor glycemic control. However, few studies have focused on the risk of developing ESRD among DM patients with and without AF. This study evaluated ESRD risk among DM patients with and without AF in Taiwan. Data were retrieved from one million patients randomly sampled from Taiwan’s National Health Insurance Research Database, including 6,105 DM patients with AF propensity score–matched with 6,105 DM patients without AF. Both groups were followed until death, any dialysis treatment, or December 31, 2013, whichever occurred first. AF was diagnosed by a qualified physician according to the International Classification of Diseases, 9th Revision, Clinical Modification (ICD-9-CM), using the diagnostic code 427.31. Patients aged <20 years or diagnosed with ESRD before the index date were excluded. A Cox proportional hazard regression model was used to calculate the relative ESRD risk. Among DM patients, those with AF have more comorbidities than those without AF. We also found a 1.18-fold (95% confidence interval [CI]: 1.01–1.46) increase in ESRD risk among patients with AF compared with those without AF. In addition, DM patients with hypertension, chronic kidney disease (CKD), or higher Charlson Comorbidity Index scores also have significantly increased ESRD risks than those without these complications. A 1.39-fold (95% CI: 1.04–1.86) increase in risk was observed for patients with AF among the non-CKD group. Our findings suggest that patients with DM should be closely monitored for irregular or rapid heart rates.
Associations of symptom combinations with in-hospital mortality of coronavirus disease-2019 patients using South Korean National data
Authors: Jo Suyoung , Nam Hee-kyoung , Kang Heewon , Cho Sung-il
Published: August 2022

Background

There are various risk factors for death in coronavirus disease-2019 (COVID-19) patients. The effects of symptoms on death have been investigated, but symptoms were considered individually, rather than in combination, as predictors. We examined the effects of symptom combinations on in-hospital mortality.

Methods

Data from the Korea Disease Control and Prevention Agency were analyzed. A cohort of 5,153 patients confirmed with COVID-19 in South Korea was followed from hospitalization to death or discharge. An exploratory factor analysis was performed to identify symptom combinations, and the hazard ratios (HRs) of death were estimated using the Cox proportional hazard model.

Results

Three sets of symptom factors were isolated for symptom combination. Factor 1 symptoms were cold-like symptoms, factor 2 were neurological and gastrointestinal symptoms, and factor 3 were more severe symptoms such as dyspnea and altered state of consciousness. Factor 1 (HR 1.14, 95% confidence interval [95% CI] 1.01–1.30) and factor 3 (HR 1.25, 95% CI 1.19–1.31) were associated with a higher risk for death, and factor 2 with a lower risk (HR 0.71, 95% CI 0.71–0.96).

Conclusions

The effect on in-hospital mortality differed according to symptom combination. The results are evidence of the effects of symptoms on COVID-19 mortality and may contribute to lowering the COVID-19 mortality rate. Further study is needed to identify the biological mechanisms underlying the effects of symptom combinations on mortality.
Bevölkerung als Problem?
Authors: Hartmann Annika
Published: August 2022

Die Sorge um das Bevölkerungswachstum in der »Dritten Welt« setzte ab den 1950er Jahren weltweit Menschen, Institutionen und Gelder in Bewegung. Familienplanung war die neue entwicklungspolitische Lösungsformel, mit deren Hilfe »unterentwickelte« Länder in die Moderne geführt werden sollten. Annika Hartmann untersucht die teils erbittert geführten Auseinandersetzungen um Bevölkerung und deren Regulierung in Guatemala, wo Familienplanungsprogramme schon früh als misslungen galten. Indem sie das »Narrativ des Scheiterns« historisiert, liefert sie ein vielschichtiges, nuanciertes Bild einer transnational verflochtenen Familienplanungsbewegung und deren Wirken in einem gesellschaftlich wie ethnisch tief gespaltenen Land.
Die intelligente Kulturorganisation
Authors: Heidelberger Ellen
Published: August 2022

Der deutsche Theaterbetrieb befindet sich im Krisenmodus. Intransparenz, Missmanagement und Machtmissbrauch deuten auf Probleme in den Informations- und Entscheidungsstrukturen hin. Wie aber funktioniert die Kommunikation im Theater? Wie werden Informationen zwischen Mitarbeiter*innen, Abteilungen und Sparten ausgetauscht? Und welche Mechanismen liegen diesem Austausch zu Grunde? Ellen Heidelberger untersucht die Informations- und Wissensnetzwerke in Theatern. Mit der Methode der sozialen Netzwerkanalyse macht sie die inneren Strukturen der Zusammenarbeit sichtbar und zeigt, wie die Zukunftsfähigkeit von Theaterorganisationen gestärkt werden kann.
The Cultural Politics of Affect and Emotion
Authors: Dong Wei
Published: August 2022

Against the background of the media commercialization reform since the 1990s in China and drawing on the case of »X-Change« (2006-2019), Wei Dong investigates the affective meaning-making mechanism in the multimodal text of Chinese reality TV. The focus lies on the ways in which emotions are appropriated and disciplined by regimes of power and identity, and the ways in which affect - in this case primarily kuqing (bitter emotions) communicated by the material and the body - have the potential to challenge or exceed existing relations of power in the mediascape. Wei Dong shows how Chinese reality TV provides a historical and theoretical opportunity for understanding the affective structures of contemporary China in the dynamic process of fracture and integration.
Fascismo e modernismo
Authors: Santi Pacheco Gabriela , Pereira Gonçalves Leandro
Published: August 2022

A década de 1920 foi marcada, no Brasil, por um período de transformações, impulsionadas por um conjunto de fatores, internos e externos, que trazia preocupações aos homens da época, principalmente acerca dos rumos da nação. É em meio a esse contexto que as elites passam a estabelecer discussões sobre o moderno, desenvolvendo, assim, o movimento modernista brasileiro, cujo ápice ocorreu na Semana de Arte Moderna de 1922. Partindo da compreensão sobre a existência de uma associação entre modernismo e fascismo, objetiva-se, nesse artigo, analisar a atuação do líder da Ação Integralista Brasileira, Plínio Salgado, no movimento modernista, a fim de entender as conexões do contexto com a elaboração do pensamento integralista.
Study of QR Code Technology Application for Monitoring Activity of Ship Planned Maintenance System
Authors: Wahidi Sufian Imam , Pribadi Triwilaswandio Wuruk , Rahman Hajid Mulya
Published: August 2022

System and outfitting in a ship vary with different brands and treatment methods. These conditions can be an issue if the operator has undisclosed damages due to a lack of knowledge about the ship's maintenance records. An electronic planned maintenance system (ePMS) is a system that is currently used to collect the ship maintenance recorded data. However, the use of ePMS still has drawbacks. The appearance is less interactive, available information about the outfitting used in ships is limited, and the operator needs to search the outfitting manually with scrolling. This research aims to study the application of QR code technology for monitoring maintenance activities of ship systems and outfitting. This research was conducted based on field observation of ePMS, designing a QR code module for the ePMS application, developing algorithms, and creating programs for website and android based applications. In addition, trials of the application and calculation of the costs incurred for implementing the QR code method are also carried out. The distribution of questionnaires for practitioners accompanied the trial. Based on that, the implementation of QR code in ePMS can be applied, easy to use and facilitate the supervision of ship system and outfitting activities with a mean score of 4.39 or equivalent to strongly agree. The addition of the QR code module is costed IDR120,426,000.00, where the process of recognizing and searching for ship systems and outfitting to view maintenance plans and maintenance history on the ePMS application is enough by scanning a QR code.
On concave perturbations of a periodic elliptic problem in R2 involving critical exponential growth
Authors: Lin Xiaoyan , Tang Xianhua
Published: August 2022

In this paper, we consider the existence of solutions for nonlinear elliptic equations of the form
(0.1)

−
Δ
u
+
V

(

x

)

u
=
f

(

x
,
u

)

+
λ
a

(

x

)

∣
u

∣

q
−
2

u
,

x
∈

R

2

,

-\Delta u+V\left(x)u=f\left(x,u)+\lambda a\left(x)| u{| }^{q-2}u,\hspace{1em}x\in {{\mathbb{R}}}^{2},

where

λ
>
0

\lambda \gt 0

,

q
∈

(

1
,
2

)

q\in \left(1,2)

,

a
∈

L

2

/

(

2
−
q

)

(

R

2

)

a\in {L}^{2\text{/}\left(2-q)}\left({{\mathbb{R}}}^{2})

,

V

(

x

)

V\left(x)

, and

f

(

x
,
t

)

f\left(x,t)

are 1-periodic with respect to

x

x

, and

f

(

x
,
t

)

f\left(x,t)

has critical exponential growth at

t
=
∞

t=\infty

. By combining the variational methods, Trudinger-Moser inequality, and some new techniques with detailed estimates for the minimax level of the energy functional, we prove the existence of a nontrivial solution for the aforementioned equation under some weak assumptions. Our results show that the presence of the concave term (i.e.

λ
>
0

\lambda \gt 0

) is very helpful to the existence of nontrivial solutions for equation (0.1) in one sense.
Development of productive language skills through language exchange in primary schools in Switzerland – An exploratory intervention study
Authors: Heinzmann Sybille , Paul Seraina , Hilbe Robert , Schallhart Nicole , Cuenat Mirjam Egli
Published: August 2022

The present study examined the effect of language exchange activities on the development of productive foreign language skills of primary school pupils. The sample comprised a total of 392 pupils from German- and French-speaking Switzerland, attending 5th and 6th grade. The pupils’ speaking and writing skills were examined longitudinally using a quasi-experimental pre-test post-test design with an intervention and control group. The intervention lasted one school year and included two physical reunions with the partner class, as well as preparatory and follow-up activities. The German-speaking pupils’ productive skills were assessed at the beginning and end of the school year using communicative tasks. The data was analysed by means of multiple regression analysis. Results show that the intervention had a positive impact on the pupils’ speaking skills and their general language competence, as measured by a C-test. However, the intervention had no significant impact on their writing skills. The findings suggest that even short encounters at primary school level with beginners have the potential to spur language development if they are didactically well embedded.
Influence of Different Pre-Heat Treatments on the Grain Size in the Core Region of Ultra-Clean Gear Steels
Authors: Rommel S. , Fuchs D. , Blum T. , Tobie T. , Stahl K.
Published: August 2022

In a previous publication, the influence of various process steps during the case-hardening process on the resulting material properties of two distinct batches of ultra-clean gear steels were investigated. The steel batches were case-hardened in the as-delivered condition. However, in the industrial practice it is common that pre-heat treatments are done, such as annealing to a ferritic-pearlitic microstructure, or quenching and tempering, as well as forging as a process if for example larger gears are needed. It is known that the whole heat treatment process route can affect the grain size negatively. Therefore, this publication presents investigations into the effects of preheat treatments on the grain size in the core region of ultra-clean gear steels after case-hardening. The aim is to receive a deeper understanding on how the whole process route influences the grain size in the core region of ultra-clean gear steels.
Plasma Nitriding of an Air-Hardening Medium Manganese Forging Steel
Authors: Gramlich A. , Auger M. A. , Richter S.
Published: August 2022

The impact of plasma nitriding on the microstructure and the hardness of a recently developed 4 wt.-% medium manganese steel are presented. In contrast to standard quench and tempering steels, the investigated material achieves its martensitic microstructure by air-cooling from the forging heat, which enables the reduction of the carbon footprint of the forged components. The influence of nitriding on this grade of steel has not been investigated so far, but fundamental differences in comparison to standard nitriding steels are expected due to the increased manganese concentration. To address this issue, nitriding treatments with different temperatures (350 °C, 580 °C and 650 °C) have been performed, followed by examinations of the microstructure, the phase composition, the obtained hardness profiles and the tensile properties of the bulk material after nitriding, accompanied by thermodynamic equilibrium calculations. It is demonstrated that after nitriding at 580 °C similar hardness profiles like standard nitriding steels are achieved, with a shorter process as austenitization and hardening were omitted, reaching a hardness of approximately 950 HV0.1. Furthermore, it was demonstrated that austenite can be stabilized by manganese and nitrogen partitioning to room temperature during nitriding in the intercritical phase region.
Improved degradation of tetracycline antibiotic in electrochemical advanced oxidation processes (EAOPs): bioassay using bacteria and identification of intermediate compounds
Authors: Dargahi Abdollah , Moradi Mina , Hasani Kamal , Vosoughi Mehdi
Published: August 2022

Among the pharmaceutical compounds, tetracycline is the second most common group of antibiotics in terms of production and consumption worldwide, which their entrance in to hospital, domestic and industrial wastewaters pollute water sources and environment and finally leads to antibiotic resistance. The aim of this study was to determine the efficiency of electrochemical processes, Fenton, electro-Fenton (EF) and sono-electro-Fenton (SEF) separately and using Graphite (G)/β-PbO2anode to remove tetracycline from aqueous solutions. First, experiments for the electrochemical process by the response-surface methodology (RSM) using variables including pH (3–9), initial tetracycline concentration (20–100 mg/L), electrolysis time (4–45 min) and current density (0.5–4.5 mA/cm2) was designed and the optimal conditions of these variables were 3.5, 25.6 mg/L, 42.6 min, and 1.98 mA/cm2, respectively. Under the optimal conditions of the electrochemical process, the effect of FeSO4with values of 0.02-0.08 g/250 mL in the Fenton process and the effect of H2O2of 0.05–0.5 mg/L in the EF process were investigated, and the optimal values of 0.06 g/250 mL and 0.2 mg/L was obtained for FeSO4and H2O2, respectively. Under optimal conditions, the removal efficiencies of SEF, EF, sono-electrochemical (SEC), electrochemical, Fenton and ultrasonic processes were 98.8%, 93.6%, 87.9%, 81.3%, 71.6%, and 11.5%, respectively. G/β-PbO2anode had only 37.5% higher removal efficiency than graphite anode. Under the optimal conditions of SEF process, changes in toxicity reduction by bioassay with E. coli and Staphylococcus aureus bacteria were 86% and 58.4%, respectively, and the kinetic study showed that the removal of tetracycline by SEF process with R2=0.9975 followed the pseudo-first-order kinetics. Finally, intermediate compounds obtained from tetracycline analysis were identified using LC-MS analysis.
Syntactic prediction in L2 learners: evidence from English disjunction processing
Authors: Fang Shaohua , Wu Zhiyi
Published: August 2022

This study examined the extent to which second language (L2) learners’ syntactic prediction resembles or differs from native speakers’ and the role of L2 proficiency in this process. An experimental group of 135 Chinese learners of English and a control group of 58 English native speakers participated in a phrase-by-phrase self-paced reading task where the experimental sentences were contrastive in whether the DP disjunction was preceded by either or not. To ensure that the participants had sufficient knowledge about the target stimuli, they were asked to additionally judge the acceptability of the experimental sentences. The results showed that like native speakers, L2 learners read the critical region consisting of “or” and a DP disjunct faster when it was preceded by either compared to when either was absent. In addition, this effect of the presence versus absence of either spilled over to the post-critical region. Moreover, L2 proficiency was not found to robustly modulate this process. It is concluded that L2 learners, like native speakers, can make predictions at the level of syntax.
Prevention of risks of overweight and obesity in pregnant women
Authors: Grünebaum Amos , Dudenhausen Joachim W.
Published: August 2022

Overweight and obesity in pregnancy and prepregnancy are perinatal risks. Studies showed prevention of these risks with counseling about the risks and treatment strategies like lifestyle interventions as exercise on a daily basis, nutritional health and diet.
On some new Hermite-Hadamard and Ostrowski type inequalities for s-convex functions in (p, q)-calculus with applications
Authors: You Xue-Xiao , Ali Muhammad Aamir , Kalsoom Humaira , Soontharanon Jarunee , Sitthiwirattham Thanin
Published: August 2022

In this study, we establish some new Hermite-Hadamard type inequalities for s-convex functions in the second sense using the post-quantum calculus. Moreover, we prove a new

(

p
,
q

)

\left(p,q)

-integral identity to prove some new Ostrowski type inequalities for

(

p
,
q

)

\left(p,q)

-differentiable functions. We also show that the newly discovered results are generalizations of comparable results in the literature. Finally, we give application to special means of real numbers using the newly proved inequalities.
Scrambling additive lagged-Fibonacci generators
Authors: Aldossari Haifa , Mascagni Michael
Published: August 2022

Random numbers are used in a variety of applications including simulation, sampling, and cryptography. Fortunately, there exist many well-established methods of random number generation. An example of a well-known pseudorandom number generator is the lagged-Fibonacci generator (LFG). Marsaglia
showed that the lagged-Fibonacci generator using addition failed some of his DIEHARD statistical tests, while it passed all when longer lags were used. This paper presents a scrambler that takes bits from a pseudorandom number generator and outputs (hopefully) improved pseudorandom numbers. The scrambler is based on a modified Feistel function, a method used in the generation of cryptographic random numbers, and multiplication by a chosen multiplier. We show that this scrambler improves the quality of pseudorandom numbers by applying it to the additive LFG with small lags. The scrambler performs well based on its performance with the TestU01 suite of randomness tests.

The TestU01 suite of randomness tests is more comprehensive than the DIEHARD tests. In fact, the specific suite of tests we used from TestU01 includes the DIEHARD tests

The scrambling of the LFG is so successful that scrambled LFGs with small lags perform as well as unscrambled LFGs with long lags. This comes at the cost of a doubling of execution time, and provides users with generators with small memory footprints that can provide parallel generators like the LFGs in the SPRNG parallel random number generation package.
Characterization of laser-welded structures in glass using acoustic microscopy
Authors: Seker N. , Benz E. , Schuhmacher S. , Ruck S. , Kleefoot M.-J. , Riegel H. , Djuric-Rissner T. , Hoffrogge P. , Czurratis P.
Published: August 2022

Glass substrates are playing an increasingly important role in the production of microchips. This paper will demonstrate the potential of scanning acoustic microscopy (SAM) used for the characterization of laser-welded structures in thin glass slides. Structures within the volume of a glass sample can be imaged quickly and with high accuracy using this method. In particular, it should be noted that not only the depth information, but also the height profile of the structures can be obtained from ultrasonic cross-sectional images. Measurements only take a few minutes. While certain structures can be visualized in 3D using ultrasonic Time-of-Flight (ToF) measurements, current research is focusing on the 3D representation of more general structures based on the Synthetic Aperture Focusing Technique (SAFT).
“Metallography to go”: Mobile metallographic examinations directly on components
Authors: Speicher M. , Scheck R.
Published: August 2022

In this work, the fields of application of mobile metallography in technical practice are presented on the basis of numerous examples. This nearly non-destructive testing method (NDT) is used primarily for quality assurance of components in operational applications. It includes the fabrication of microstructure replicas, mobile hardness testing and analysis methods for the determining of the chemical composition of materials. The microstructure replicas are taken for different purposes. On the one hand, it can be used to document the initial state of the microstructure, to evaluate the microstructure condition for the control of the manufacturing quality, and conclude on the required properties. On the other hand, this method can be used to evaluate defects (formation of cracks, performance of welds, correct heat treatment, creep damage, etc.). On the basis of different test cases, the results for low-alloyed and highalloyed ferritic and austenitic steels, for nickel alloys and for the possibility of subsequent determination of precipitation populations in the transmission electron microscope (TEM) are presented.
Metallographic characterization of a gold-steel composite
Authors: Strobl S. , Scheiblechner W. , Haubner R.
Published: August 2022

A gold-steel composite material for decorative applications was manufactured by forging. This procedure can be referred to as modified damascene technique. Sheets made of steel K110 (C-rich cold work steel) and gold sheets were assembled and forged together at approx. 800 °C. The bar was subsequently twisted to obtain the typical torsion pattern. The end portions of this bar were subjected to a metallographic examination.

The steel K110 shows broken carbides which were formed during the forging process. The carbides can be etched using Murakami’s reagent, whereas a 3 % Nital solution can be used to etch the steel matrix.

Gold etching was challenging because many etchants suitable to etch gold preferentially attack the steel. In reference to gold extraction by cyanide leaching, a KCN solution was used as etchant. It could be shown that atmospheric oxygen acting as an oxidant is already sufficient to etch gold. However, using a KCN-H2O2 mixture provides a more efficient etching effect. Gold grains in the gold layers can reach a size of up to 1 mm. A diffusion zone with a thickness of approx. 10 μm can be observed at the steelgold interfaces.
Applications of headspace solid-phase microextraction in human biological matrix analysis
Authors: Ji Xiaoyue
Published: August 2022

The inherent complexity of the human biological matrix and its importance in modern medical diagnosis and medical research promote the development of modern analytical technology. Solid-phase microextraction technology has been widely used in the treatment and analysis of different complex biological matrices due to its smaller sample size, simpler sample preparation and setting, and lower consumption of harmful chemicals. This review provides updated information on headspace solid-phase microextraction combined with gas chromatography technique applications, focusing on the analysis of volatile and semivolatile compounds in human biological matrices. The application of headspace solid-phase microextraction combined with gas chromatography techniques in human biological matrix analysis is mainly summarized into three aspects, namely, to discover biomarkers, to investigate volatile metabolomics, and to explore the effect of the external environment on volatile metabolomics of the human biological matrix. In addition, the frequently used statistical analytical methods are summarized, and the application prospect of solid-phase microextraction in the analysis of human biological matrices is proposed.
Intermetallic compounds RE
2Ga2Mg (RE = Tb–Tm, Lu) with Mo2B2Fe-type structure
Authors: Reimann Maximilian Kai , Matar Samir F. , Pöttgen Rainer
Published: August 2022

The rare earth intermetallic compounds RE
2Ga2Mg with RE = Tb–Tm and Lu were synthesized from the elements in sealed tantalum ampoules in a high-frequency furnace. These rare earth-rich phases crystallize with the tetragonal Mo2B2Fe-type structure, space group P4/mbm and Z = 2. The polycrystalline samples were characterized through their Guinier powder patterns. The structures of Er2Ga2.092(1)Mg0.908(1), Tm2Ga2.037(1)Mg0.963(1) and Lu2Ga2.176(1)Mg0.824(1) have been refined from single crystal X-ray diffractometer data. The refinements revealed small homogeneity ranges (small degrees of Mg/Ga mixing on the 2a sites). The magnesium atoms show square planar coordination by Ga2 dumbbells (282 pm Mg–Ga and 257 pm Ga–Ga in the lutetium compound). Geometrically one can describe the RE
2Ga2Mg phases as 1:1 intergrowth structures of CsCl and AlB2-related slabs of compositions REMg and REGa2. From DFT based calculations, charge transfer from the rare earth and magnesium atoms towards gallium can be illustrated in electron localization function ELF slice planes showing strong localization around gallium in the basal plane as well as along the tetragonal c axis signaling Ga–Ga pair interactions. The site-projected density of states DOS and COOP data further quantify this observation. Temperature dependent magnetic susceptibility measurements show Pauli paramagnetism for Sc2Ga2Mg and Lu2Ga2Mg with low room temperature susceptibility values of 2.1(1) × 10−4 and 1.1(1) × 10−4 emu mol−1, respectively. Ho2Ga2Mg, Er2Ga2Mg and Tm2Ga2Mg are Curie-Weiss paramagnets with stable trivalent rare earth ground states. Antiferromagnetic ordering was detected below the Néel temperatures of T
N = 18.6(1) (RE = Ho), 11.9(1) (RE = Er) and 6.4(1) K (RE = Tm). The three compounds show metamagnetic transitions in their 3 K magnetization isotherms. Tm2Ga2Mg exhibits a square loop behavior with small hysteresis.
Protohistoric metal-urn cremation burials (1400–100 BC): a pan-European phenomenon
Authors: Desplanques Elsa
Published: August 2022

Archaeologists have long looked to Homeric epic, which describes the collection of heroes’ ashes in metal vessels for interment, as a comparison to high-status burials found in the Greek world and, beyond, in temperate Europe. Rarely, however, has the phenomenon of aristocratic metal-urn cremation burials across Bronze and Iron Age Europe and the Mediterranean been analysed as a single phenomenon. The author presents a continental-scale study based on a corpus of nearly 600 burials, identifying chronological and geographical patterns. The results emphasise how this elite funerary custom drew on and extended a set of shared aristocratic values and practices across Europe and the Mediterranean in the first millennium BC.
Online Monitoring Method of Greenbelt Ecospace Pollution in a Smart City
Authors: Hou Xiaolei , Zhang Zhihua , Zhang Junjun
Published: August 2022

With the development of urbanization, the problem of green space ecological environment pollution becomes increasingly sharp and complicated. Online monitoring based on the traditional technology is not very comprehensive, and there are always defects such as a false positive rate. Therefore, this paper proposes an online monitoring method for the green space ecological space pollution network based on its vulnerability. An independent functional expression was constructed by interpreting and analyzing the fragile zone and the clear calculation standards of its width index and overlap index, and vulnerability and comprehensive indicators were constructed to reduce the occurrence of false positives. The online monitoring method was constructed based on the heterogeneous integration and the local conditions. The experimental results show the following: the proposed method has low false alarm rate, high accuracy, excellent stability, and a good online monitoring effect of the ecological pollution network.
Redesign Driven by Manufacturing Data for Next-Generation Modernization of Legacy Products
Authors: Eddy Douglas , Krishnamurty Sundar , Carrara Ryan
Published: August 2022

As the life cycles of many products advance, obsolescence of original components can pose challenges for a product’s maintainability and serviceability. Information about the original design intent of the product system may not be available. For example, it may not be obvious how to identify old components by reverse engineering or to select and configure the optimal components for best system performance. Thus, time spent to redesign an older legacy product with high-fidelity simulations may be difficult to justify. Increasingly more performance measurements are available in digital twins of product systems generated during manufacturing and testing. This paper introduces a redesign from manufacturing data mapping (RfMDM) method that can infer optimal new components to modernize legacy product systems. This RfMDM method does not rely upon time-consuming redesign efforts. The inputs come from a basic understanding of the subsystem of concern and qualitative scoring estimates of the influence of design rules on design criteria and simulation fidelity. RfMDM transforms manufacturing data to determine the significance and required quality of each design variable of each obsolete component. This enables estimation of optimal new component specifications for selection and a first article redesign and test to enable product line improvements over time more efficiently. Recognizing that radiofrequency interference effects in printed circuit boards present a complex and quintessential example of legacy subsystems with potentially obsolete components, this paper demonstrates the RfMDM method with a theoretical example subsystem of an active low-pass filter on a printed circuit board.
A GESTÃO E A INTEGRAÇÃO DAS TDIC NA PANDEMIA: OS DESAFIOS E AS POSSIBILIDADES NO IFFAR DE ALEGRETE
Authors: Jorge Vilmar de Oliveira Soares Jorge Vilmar de Oliveira Soares , Ramos Lutz Mauricio , Jailton Bartho dos Santos Jailton Bartho dos Santos
Published: August 2022

Com a chegada do coronavírus e o avanço da Covid-19 no mundo, vivenciamos uma série de impactos e efeitos sobre as atividades desempenhadas pela população, inclusive no Brasil. No âmbito educacional, foi preciso repensar em como dar continuidade ao ano letivo. Esta pesquisa tem como objetivo geral compreender como os professores dos cursos de licenciatura do Instituto Federal Farroupilha (IFFar) - Campus Alegrete enfrentaram e estão enfrentando os desafios propostos e as possibilidades por meio do uso das Tecnologias Digitais de Informação e Comunicação (TDIC) em tempos de pandemia. A presente pesquisa é de cunho qualitativo exploratório. Como método para coletar os dados, foi utilizando o questionário do Google Forms, aplicado como entrevista para professores dos cursos de licenciatura do IFFar, Campus Alegrete. Na análise de dados pode-se inferir que a formação inicial e continuada são fundamentais para que haja a conexão dos saberes. E que as ferramentas digitais otimizam o compartilhamento e acesso as informações e possibilitam uma maior interatividade entre docentes e discentes. Concluímos que os professores receberam apoio da instituição, que apesar de em um primeiro momento terem sentido insegurança e falta de um planejamento mais adequado a situação, passados os primeiros acontecimentos houve uma adaptação ao novo cenário. Atualmente esses professores afirmam estar melhor preparados para ministrar suas aulas, começam a compreender que usar as TDIC não é somente o ato de operar aplicativos e equipamentos, mas sim conectá-los tecnologicamente ao projeto pedagógico da escola ou da disciplina.
AVALIAÇÃO DO ÍNDICE DE MATURIDADE DA INDÚSTRIA 4.0 EM UMA EMPRESA DO RAMO FUMAGEIRO
Authors: Breda Külzer Vitória , Pereira Aline , Do Amaral Martins Grimmler Juliana , Martins Rodriguez Alejandro
Published: August 2022

Para promover a competitividade das indústrias na Alemanha ocorreu a partir de 2011 o lançamento de um projeto denominado Plataforma Indústria 4.0, Industry Platform 4.0. O projeto visou desenvolver alta tecnologia de modo a fazer com que os sistemas automatizados, os quais controlam os equipamentos industriais, pudessem se comunicar trocando informações entre máquinas e seres humanos, modificando os sistemas atuais de produção. Nesse cenário, este trabalho objetivou determinar o índice de maturidade frente aos elementos da Indústria 4.0 em uma empresa do setor fumageiro, a fim de verificar o nível de tecnologia presente nos seus processos. Para atingir esse objetivo selecionou-se a metodologia que mais se adequa ao presente estudo de caso. Essa metodologia tem como base um check list de avaliação, o qual prevê um formulário de coleta de dados. De acordo com os dados obtidos, é feita uma classificação disposta por uma régua de medição de níveis de maturidade. Através desta avaliação e da investigação sobre a relação da empresa selecionada com a adoção de tecnologias, foi possível determinar que a organização mostrou notável desempenho para sua inserção no ambiente 4.0, utilizando tecnologias de ponta em seu processo produtivo, e se enquadrando no nível 4, em uma escala de 0 a 5 de maturidade do modelo selecionado. No estudo realizado, destacam-se os resultados referentes à cultura e à estrutura organizacional da empresa, uma vez que estes já se inserem no cenário 4.0.
IMPACTO DO DESCARTE CORRETO DO ÓLEO DE COZINHA: USO DA DINÂMICA DE SISTEMAS PARA AVALIAÇÃ
Authors: Modro Nilson , Oliveira Rodrigues Glauco
Published: August 2022

Este trabalho apresenta a compreensão, desenvolvimento e execução de um modelo computacional baseado na dinâmica de sistema, o qual têm por funcionalidade principal a geração de alternativas para o processo decisório no que se refere ao descarte do óleo residual. Para o desenvolvimento dos modelos, utilizou-se o método de Dinâmica de Sistemas. Matematicamente, um modelo de Dinâmica de Sistemas constitui-se em um sistema de equações lineares. Através do Vensim, foi possível desenvolver, documentar, simular e analisar os modelos, constatando o impacto ambiental e social causado pela coleta nos sete municípios estudados. Com os resultados gerados pelo modelo de simulação, percebe-se os danos ambientais causados pelo mal descarte do óleo residual, além da possibilidade de estender o ciclo de vida do óleo, tornando-o um novo produto e possível forma de renda.
LEVANTAMENTO DE MOTIVOS DE RETENÇÃO DA DISCIPLINA "ÁLGEBRA VETORIAL E GEOMETRIA ANALÍTICA" NO CURSO DE ENGENHARIA DE COMPUTAÇÃO DA UEFS
Authors: Sampaio Guedes Emille Victória , dos Santos Valmir Vinícius , Cerqueira Marques Nadine , Pereira Pinto Claudia
Published: August 2022

O Ensino Superior brasileiro tem crescido ao longo das últimas décadas. Porém, simultaneamente, ainda há grandes taxas de retenção e evasão nas universidades, especialmente nos cursos de Engenharia. Sendo assim, a presente pesquisa teve como objetivo identificar o componente curricular obrigatório do Curso de Engenharia da Computação, da UEFS com maior índice de evasão e retenção, e investigar, após a identificação, os motivos, conteúdos ou estratégias que possam ter sido os disparadores destes problemas. Utilizou-se a abordagem quantitativa como estratégia metodológica e os resultados apontaram fragilidades na apreensão de conteúdos mais abstratos e na carência de conhecimentos básicos de matemática, além de sinalizar a potencialidade do uso de tecnologias digitais em apoio ao processo educacional.
Buddhist Psychology Intersects with Dance Movement Therapy
Authors:   Creative Movement Therapy Association of India, India, Kashyap Tripura , Doshi Anubha ,   Artsphere, India; Soulsphere, India, Arora Karishma ,   Soulsphere, India; Lady Shri Ram College for Women, Delhi, India
Published: August 2022

This article highlights the potential role of the “brahmaviharas,” a Buddhist concept which emphasizes certain spiritual dimensions and have been interlinked with dance movement therapy combined with other expressive arts, in responding effectively to the unpredictable life changes during pandemic situations such as the COVID-19. A multiple therapeutic–expressive–creative movement sequence model and meditation practices were collaboratively developed by movement therapist Tripura Kashyap and expressive arts therapy practitioner Anubha Doshi to address each of the brahmaviharas: loving–kindness (mettā), compassion (karuṇā), sympathetic joy (muditā), and equanimity (upekkhā). This article specifically reveals how the embodiment of concepts from Buddhism through movement can help in concretizing and embedding meditative practices in the mind–body continuum. Finally, the article explores the relevance of practicing the brahmaviharas by utilizing specifically crafted movement rituals, such as body preparatory routines, mindful movement, body scans, embodiment, gratitude rituals, interspersed with visual art and the use of props to focus on enhancing people’s resilience, mental health, and well-being. All these experiences were creatively adapted to the virtual medium during the COVID-19 pandemic period.
Artmaking Resilience: Reflections on Art-Based Research of Bereavement and Grief
Authors:   Ono Academic College–ASA, Kiryat Ono, Israel, Lev Michal
Published: August 2022

This article presents some of the elements of artmaking as sources of resilience within the process of bereavement and grief. It builds upon findings from an art-based research project conducted during the period of coronavirus disease 2019 pandemic that explored properties of resilience in the face of sickness and death, which suggests three active elements to resilience: the capacity to observe pain, possession of faith, and the support circle. The article ties these findings, with other artistic projects in which artmaking responded to and alleviated sorrow and loss.
Engaging with Doctoral Work during the Pandemic
Authors:   Corcoran School of Arts and Design, the George Washington University, USA, Ruzany Giselle
Published: August 2022

This article describes the acceleration toward digital conferencing that happened due to COVID-19 safety procedures as well as how one’s ancestral legacy of trauma could affect how one dealt with the arrival of the pandemic as a collective trauma. This paper describes the researcher’s experience in developing “embodied digital storytelling” as a post-phenomenological art-based research methodology as well as how the use of this methodology intertwined with the study of ancestral legacy and the arrival of a pandemic. The reader will follow the researcher’s experience in developing the methodology, finding her topic, and conducting her research during the pandemic. The article ends with an account of reclaiming a sense of belonging despite all the challenges discussed.
Art, Medium and Metaphor—A China–Italy Intercultural Dialogue: Creative Movement in the Context of COVID-19
Authors: Mei Jiaoyin , Xie Heng , Huang Shuming , Fossa Angela
Published: August 2022

Coronavirus 2019 (COVID-19) is changing people’s lives in varying degrees. People’s emotional experiences are increasingly diverse, as the impact of this major public event continues to expand. This paper explores how COVID-19 affects people’s emotions through an analysis of creative movement projects in China and Italy and focuses on the educational value of dance. It takes a cross-cultural perspective using the qualitative research method of art-based inquiry. This study attaches importance to the characteristics of the arts and humanities and takes dance as an important medium to link emotional experience and personalized expression. Dance, poetry, and pictures are used to record participants’ reflections on their emotional changes during the epidemic. Through the analysis of dance body language and participants’ feedback, this study found that people’s emotional experience caused by the epidemic can be expressed through dance. After analyzing dance language, we can further interpret this metaphorical process and make people’s emotional experience concrete and apparent. Participants were drawn from different cultures; thus, they have different perceptions of the pandemic. Although the emotional experiences from Eastern and Western perspectives vary, the changing emotions of the participants in this study shared certain similarities, that is, from a mood of repression and struggle to a mood of release and tolerance.
There Are No Silos When We Are All Suffering: Interviews and Reflections on Ubuntu and the Arts in South Africa during COVID-19
Authors:   Lesley University, USA, Speiser Vivien Marcow , Speiser Phillip ,   University of the Witwatersrand, South Africa
Published: August 2022

This article will draw upon some of the creative work being done in South Africa from March 2020 through December 2021, during the time of the coronavirus disease 2019 (COVID-19) worldwide pandemic, by artists working across disciplines in education, community, health, and mental health. The authors had been located in Johannesburg, South Africa, in early 2020, when their stay was cut short by the spread of the COVID-19 virus and the worldwide border shutdowns that followed as they were recalled to the USA in March 2020. They have remained in communication and contact with their colleagues in South Africa, and this article is based upon these observations and interactions. This article will describe some of the initiatives and programs developed by artists in the country as well as by the faculty in the Drama for Life program at the University of the Witwatersrand and the Art Therapy program at the University of Johannesburg. These initiatives have been used toward survival and healing in this liminal space of the COVID-19 crises.
THE EFFECT OF DIFFERENT UV-C ILLUMINATION DOSES ON POSTHARVEST QUALITY OF FRESH FIG
Authors: ÜSTÜN Hayri , DOĞAN Adem
Published: August 2022

The aim of this study was to investigate the effects of 1.5, 3.0 and 4.5 kJ/m2 UV-C illumination doses on the postharvest quality of fresh fig (cv. Bursa Siyahi). For this purpose, fruit were stored at 0 ºC temperature with 90-95% humidity for 21 days and some fruits were kept at 20 °C for 3 days to simulate a period of shelf-life. UV-C treatments did not affect fruit firmness, total soluble solids, and titratable acidity content during cold storage and shelf-life. On the other hand, UV-C doses increased total phenolic content and antioxidant activity compared to control. In both storage conditions, 3.0 and 4.5 kJ/m2 UV-C doses were found to be more effective to control unmarketable fruit rate. In conclusion, a 4.5 kJ/m2 UV-C illumination dose can be effective in maintaining the postharvest quality of fresh fig fruit harvested at a 2/3 maturity stage.
The War in Ukraine and Food Security in Eastern Europe
Authors: Kovács Eszter Krasznai , Bachórz Agata , Bunzl Natasha , Mincyte Diana , Parasecoli Fabio , Piras Simone , Varga Mihai
Published: August 2022

This dispatch outlines some of the immediate consequences and long-term challenges posed by the Ukraine war on food security and production systems in Eastern Europe. We draw particular attention to the food aid and provisioning realities around many million (and increasing) numbers of Ukrainian refugees, and the current lack of systemic, government-coordinated responses to the humanitarian crisis. Further, we outline the distinct forms of agriculture characterizing Eastern Europe, notably, the short supply chains and farming networks that are socially and environmentally unique and valuable, and are a result of the persistence of smaller, family-led farms. However, these farms and farmers are facing increasingly difficult times as a result of inflation, rising fuel prices, rationing, climate stress, export bans, and now large numbers of refugees arriving to some already very poor rural areas. We highlight the need for these multiple stresses to be discussed together, for their consequences on food production in the short and long term, especially as the effects of the war extend beyond the region. These stresses include, in the immediate, a lack (and a lack of reliability on) of state aid and infrastructures for refugee hosts and food aid organizations and, in the longer term, persisting EU-policy and market pushes toward intensification that will greatly challenge the smallholder system in Eastern Europe.