bluuebunny/crossref_metadata_2025_split huggingface dataset:
Stabilizing high-humidity perovskite solar cells with MoS2 hybrid HTL
Authors: Fahsyar Puteri Nor Aznie , Ludin Norasikin Ahmad , Ramli Noor Fadhilah , Zulaikha Puteri Intan , Sepeai Suhaila , Md Yasir Ahmad Shah Hizam 
Published: July 2023

AbstractThe obstacle to the industrialization of perovskite solar cells (PSC) technology lies in their stability. This work rationalizes the PSC design with the employment of 2D-MoS2 as the hybrid hole transport layer (HTL). MoS2 was selected due to its unique optoelectronic and mechanical properties that could enhance hole extraction and thus boost the performance and stability of PSC devices. Five concentrations indicated MoS2 nanosheets were directly deposited onto the perovskite layer via the facile spin coating method. The electrochemical exfoliation and liquid exchange methods were demonstrated to obtain the lateral size of MoS2 nanosheets and further discussed their microscopic and spectroscopic characterizations. Remarkably, the optimum thickness and the excellent device increased the stability of the PSC, allowing it to maintain 45% of its degradation percentage ($$\frac{\Delta PCE}{PCE}$$

Δ
P
C
E

PCE

) for 120 h with high relative humidity (RH = 40–50%) in its vicinity. We observed that lithium-ion can intercalate into the layered MoS2 structure and reduce the interfacial resistance of perovskite and the HTL. Most importantly, the 2D-MoS2 mechanism’s effect on enabling stable and efficient devices by reducing lithium-ion migration in the HTL is demonstrated in this work to validate the great potential of this hybrid structure in PSC applications.
The magnitude of mortality and its predictors among adult patients admitted to the Intensive care unit in Amhara Regional State, Northwest Ethiopia
Authors: Demass Tilahun Bizuayehu , Guadie Abel Girma , Mengistu Tilahun Birara , Belay Zenaw Ayele , Melese Amare Alemu , Berneh Abraham Amsalu , Mihret Lealem Gedefaw , Wagaye Fikirte Estifanose , Bantie Getasew Mulat 
Published: July 2023

AbstractDespite mortality in intensive care units (ICU) being a global public health problem, it is higher in developing countries, including Ethiopia. However, insufficient evidence is established concerning mortality in the ICU and its predictors. This study aimed to assess the magnitude of ICU mortality and its predictors among patients at Tibebe Ghion specialized hospital, Northwest Ethiopia, 2021. A retrospective cross-sectional study was conducted from February 24th, 2019, to January 24th, 2021. Data were collected from medical records by using pretested structured data retrieval checklist. The collected data was entered into Epi-data version 3.1 and analyzed using R version 4.0 software. Descriptive statistics computed. A simple logistic analysis was run (at 95% CI and p-value < 0.05) to identify the determinants for ICU mortality. A total of 568 study participants’ charts were reviewed. The median length of ICU stay was four days. Head trauma and shock were the leading causes of ICU admissions and mortality. The overall mortality rate of the ICU-admitted patients was 29.6% (95% CI: 26%, 33%). Admission in 2020 (AOR = 0.51; 95%CI: 0.31, 0.85), having altered mentation (AOR = 13.44; 95%CI: 5.77, 31.27), mechanical ventilation required at admission (AOR = 4.11; 95%CI: 2.63, 6.43), and stayed < 5 days in the ICU (AOR = 3.74; 95%CI: 2.31, 6.06) were significantly associated with ICU mortality. The magnitude of the ICU mortality rate was moderate. Years of admission, altered mentation, mechanical ventilation required at admission, and days of stay in the ICU were the predictors for ICU mortality. This finding underscores the importance of interventions to reduce ICU mortality.
$$CO_2$$ footprint minimization of solar-powered HALE using MDO and eco-material selection
Authors: Duriez Edouard , Guadaño Martín Víctor Manuel , Morlier Joseph 
Published: July 2023

AbstractMultidisciplinary Design Optimization (MDO) enables one to reach a better solution than by optimizing each discipline independently. In particular, the optimal structure of a drone varies depending on the selected material. The $$CO_2$$

C

O
2

footprint of a solar-powered High Altitude Long Endurance (HALE) drone is optimized here, where the structural materials used is one of the design variables. Optimization is performed using a modified version of OpenAeroStruct, a framework based on OpenMDAO. Our EcoHale framework is validated on a classical HALE testcase in the MDO community (FBhale) constructed using high-fidelity codes compared to our low-fidelity approach. The originality of our work is to include two specific disciplines (energy and environment) to adapt to a new problem of $$CO_2$$

C

O
2

minimization. The choice of eco-materials is performed in the global MDO loop from a choice of discrete materials . This is achieved through a variable relaxation, enabling the use of continuous optimization algorithms inspired from multimaterial topology optimization. Our results show that, in our specific case of electric drone, the optimal material in terms of $$CO_2$$

C

O
2

footprint is also the optimal material in terms of weight. It opens the door to new researches on digital microarchitectured materials that will decrease the $$CO_2$$

C

O
2

footprint of the drone.
Stripping Massage and Literature Review in Post-Thoracoscopic Chest Pain Management
Authors: Hsu Jiun , Yu Sheng-Pin , Pan Chien-Te , Huang Pei-Ming 
Published: July 2023

AbstractThe aim of this randomized study was to investigate whether stripping massage (SM) of myofascial trigger points in the lower rhomboid muscle could alleviate chest pain in patients following thoracoscopic surgery. In addition, a literature review was conducted to assess the effectiveness of various pain management techniques. Sixty adult patients who reported a visual analog scale (VAS) score of 4 or higher were randomly assigned to receive conventional analgesics alone (conventional group) or combined with SM twice daily for 2 weeks (SM group). VAS scores and the use of additional analgesics were evaluated on postoperative days 1, 3, 7, 14, and 30. Using the PubMed and Cochrane Library databases, a review of current pain management techniques was carried out up to January 31, 2022. A subgroup analysis was also performed to examine the treatment effect during different surgical periods and techniques. Results showed that the SM group had significantly lower VAS scores on postoperative days 3, 7, 14, and 30 (p < 0.001), as well as a shorter hospitalization duration and reduced need for additional analgesics (p < 0.001). The literature review included a total of 20 studies (2,342 cases of chest pain relief after thoracoscopic surgery), which indicated that serratus anterior plane (SAP) blocks were commonly used as a perioperative approach to reduce pain and opioid consumption. SM and SAP can both serve as adjuvant treatments for chest pain in patients following thoracoscopic surgery, with SM being a safe and noninvasive pain control option after hospital discharge.
Translating politeness on public notices with a directive function in Thessaloniki
Authors: Lees Christopher 
Published: July 2023

Abstract
This paper examines notices with a directive function that have been translated from Greek into English in the
public spaces of Thessaloniki. In particular, it explores the ways in which Greek politeness is expressed and how this politeness
is rendered in the English translation of the original Greek texts. The paper uses photographic data collected in 2020. Using Brown and Levinson’s (1987) concept of
face, the methodology used is a combination of the qualitative ethnographic approach employed in contemporary linguistic landscape
research and Bourdieu’s habitus approach used in the sociology of translation. The analysis shows that the translations examined
often retain aspects of Greek politeness strategies, affecting the message of the English target text to varying degrees.
Managing polysemy in terminological resources*
Authors: L’Homme Marie-Claude 
Published: July 2023

Abstract
Polysemy, even when it is considered within specialized domains, is a recurrent phenomenon and the topic is debated from time to time in terminology literature. Part of this literature still advocates ways to prevent polysemy. Another portion recognizes the prevalence of polysemy, especially in specialized corpora, but considers it from the perspective of other phenomena, such as ambiguity, indeterminacy, categorization or variation. Although the number of perspectives on meaning have increased over the years, the treatment of polysemy in terminological resources is still unsatisfactory. This article first shows that polysemy is an integral part of specialized communication and that there are different kinds of domain-specific polysemy. Then, it reviews selected perspectives that have been taken on polysemy in terminology literature. The treatment of 45 polysemous lexical items in four specialized resources is then analysed. Finally, different methods based on lexical semantics are proposed to account for polysemy in terminological resources.
Comparative study between charge and spin thermoelectric figure of merits in an antiferromagnetic ring
Authors: Bhattacharya Ranjini , Maiti Santanu K 
Published: July 2023

Abstract
Considering the unique and diverse characteristic features of antiferromagnetic (AFM) systems, here in our work, we explore spin-dependent thermoelectric behavior in an AFM ring geometry. A reasonably large (

≫

1

) spin figure of merit, referred to as Z

S

T, is obtained under suitable input conditions. Two important prerequisites are (i) breaking the symmetry among up and down spin sub-Hamiltonians and (ii) generating different asymmetric transmission line shapes across a Fermi energy for two opposite spin electrons. Describing the physical system within a tight-binding framework, where spin-dependent scattering occurs due to the interaction of itinerant electrons with local magnetic moments via the usual spin-moment exchange interaction, we compute all the thermoelectric quantities based on Landauer integrals following the Green’s function technique. The behavior of charge figure of merit, denoted as Z

C

T, is also discussed along with Z

S

T. Though Z

C

T reaches above unity, it is much smaller compared to Z

S

T. This is the key finding of our investigation. To make the present communication a self-contained one, we compare the results with another arrangement of magnetic moments in a ring-like geometry and in a chain-like one. Our analysis gives a suitable hint that in the presence of spin-dependent scattering, much more favorable energy conversion can be substantiated.
Progress with the regulation of radiation safety during recovery and removal of spent nuclear fuel from the site for temporary storage at Andreeva Bay on the Kola Peninsula
Authors: Simakov A , Sneve M K , Abramov Y , Grigoryev A , Goncharenko G , Siegien K , Proskuryakova N , Semenova M , Smith G M 
Published: July 2023

Abstract
In the 1960s, a shore technical base (STB) was established at Andreeva Bay on the Kola Peninsula, in northwest Russia. The STB maintained nuclear submarines and the nuclear icebreaker fleet, receiving and storing fresh and spent nuclear fuel (SNF) as well as solid and liquid radioactive waste (RW). It was subsequently re-designated as a site for temporary storage (STS) for SNF and RW. Over time, the SNF storage facilities partly lost their containment functions, leading to radioactive contamination of workshops and the site above permitted values. The technological and engineering infrastructure at the site was also significantly degraded as well as the condition of the stored SNF. At present, the STS Andreeva Bay facility is under decommissioning. This paper describes progress with the creation of safe working measures for workers involved in site remediation and SNF recovery operations, including the determination of safe shift times in high radiation areas, as part of overall optimization of safety. Results are presented for the successful application of these measures in the period 2019–2021, during which time significant SNF recovery and removal operations were completed without incident. Significant important experience has been gained to support safe removal of remaining SNF, including the most hazardous degraded fuel, as well as recovery of other higher level RW and decommissioning of the old storage buildings and structures.
A computational approach to restoration phenomena during annealing of rolled Cu-2Be: recrystallization, grain growth and abnormal grain growth
Authors: Kalaki A , Vafaeenezhad H , Mirahmadi D , Hirsch J 
Published: July 2023

Abstract
In this study, an integrated paradigm was developed for the simulation of static recrystallization (SRX) after cold rolling of a Cu-2Be alloy. The proposed framework also models with the normal and abnormal grain growth (AGG) of the after transient recrystallization through post-rolling annealing when stored and interfacial energies are varying. The simulation of AGG was done to study the influence of precipitates and sub-boundaries. The initial stored energy as a result of deformation was calculated. The finite element analysis was used to compute the heterogeneous distribution of stored energy due to heterogeneous deformation and is then incorporated to Monte Carlo (MC) algorithm to attain SRX grain size and kinetics. The stored energy assigned to the as-rolled grain micrograph is introduced to the MC simulation as the initial condition considering the size-scale of the calculation domain. The effects of the Zener drag pressure stemming from the presence of second phase particles on the recrystallization progress was also incorporated into the MC model. To evaluate the simulation predictions, the numerical results of the SRX fractions and grain sizes after cold rolling was studied and compared to the experimental ones, and a reasonable accordance is achieved. The numerical results presented that precipitates and sub-boundaries in cooperation take a significant role in persuading AGG by wetting alongside triple junctions. To validate the quantitative results, SRX transformation kinetics has been investigated using the differential scanning calorimetry.
Magnetic resonance fingerprinting based thermometry (MRFT): application to ex vivo imaging near DBS leads
Authors: Qian Enlin , Poojar Pavan , Fung Maggie , Jin Zhezhen , Vaughan John Thomas , Shrivastava Devashish , Gultekin David , Fernandes Tiago , Geethanath Sairam 
Published: July 2023

Abstract
The purpose of this study is to demonstrate the first work of T
1-based magnetic resonance thermometry using magnetic resonance fingerprinting (dubbed MRFT). We compared temperature estimation of MRFT with proton resonance frequency shift (PRFS) thermometry on ex vivo bovine muscle. We demonstrated MRFT’s feasibility in predicting temperature on ex vivo bovine muscles with deep brain stimulation (DBS) lead. B
0 maps generated from MRFT were compared with gold standard B
0 maps near the DBS lead. MRFT and PRFS estimated temperatures were compared in the presence of motion. All experiments were performed on a 3 Tesla whole-body GE Premier system with a 21-channel receive head coil (GE Healthcare, Milwaukee, WI). Four fluoroptic probes were used to measure the temperature at the center of a cold muscle (probe 1), the room temperature water bottle (probe 2), and the center and periphery of the heated muscle (probes 3 and 4). We selected regions of interest (ROIs) around the location of the probes and used simple linear regression to generate the temperature sensitivity calibration equations that convert T
1 maps and Δs maps to temperature maps. We then repeated the same setup and compared MRFT and PRFS thermometry temperature estimation with gold standard probe measurements. For the MRFT experiment on DBS lead, we taped the probe to the tip of the DBS lead and used a turbo spin echo sequence to induce heating near the lead. We selected ROIs around the tip of the lead to compare MRFT temperature estimation with probe measurements and compared with PRFS temperature estimation. Vendor-supplied B
0 mapping sequence was acquired to compare with MRFT-generated B
0 maps. We found strong linear relationships (R
2 > 0.958) between T
1 and temperature and Δs and temperatures in our temperature sensitivity calibration experiment. MRFT and PRFS thermometry both accurately predict temperature (RMSE < 1.55 °C) compared to probe measurements. MRFT estimated temperature near DBS lead has a similar trend as the probe temperature. Both B
0 maps show inhomogeneities around the lead. MRFT estimated temperature is less sensitive to motion.
Flexible, highly sensitive and reliable piezocapacitive pressure sensor with honeycomb-like microarchitecture fabricated using filament-processed mold
Authors: Su Yue , Zhang Rui , Liu Kun , Chang Yukuan , Mao Xurui , Zhang Xu 
Published: July 2023

Abstract
Highly sensitive flexible pressure sensors have been extensively studied due to their promising applications in many fields. Various sensing mechanisms have been proposed to convert pressure into a readable electrical signal, among which piezocapacitive presents advantages due to its simple structure and convenient integration. The modification of the dielectric layer composing these sensors is a common strategy to improve their sensing performance. In this paper, we propose the fabrication of a novel capacitive-based flexible pressure sensor with honeycomb-like microarchitecture by using femtosecond laser filament based far-field technique. The fabricated flexible sensing device is assembled face-to-face with two layers of micro-structured polydimethylsiloxane thin films that is duplicated from laser filament-processed silicon mold. The as-prepared flexible sensor features excellent sensing performance with high reliability, and enables detection of multi-modal signals, including pressure, proximity, and bending. Owing to the advantages mentioned above, the obtained flexible pressure sensor can be attached on non-planar human skin to monitor the physiological signals as well as joint deformation during exercise, revealing it great application potential in cutting-edge fields, such as robotic tactility.
Novel cobalt lead ferrite (CPFO)/Ps nanocomposites with enhanced structure, optical and dielectric properties
Authors: Abouhaswa A S , El komy G M , Abomostafa H M 
Published: July 2023

Abstract
Hexa-spinel ferrite nanoparticles of Cobalt Lead Ferrite (CPFO) were prepared by a flash auto combustion method, while xCPFO/PS (x = 0, 2.5, 5, and 7.5 wt%) nanocomposite films were synthesized by casting method. The diffraction pattern and Rietveld refinement of CPFO nanoparticles proved that they have a face-centred cubic spinel and a hexagonal structure. HRTEM micrographs of cobalt lead ferrite (CPFO) nanoparticles show an average particle size of around 30 nm. FESEM cross-section images of CPFO/PS nanocomposite films showed CPFO nanoparticles dispersed in the PS matrix. All optical characteristics of the synthesized nanocomposite films, including absorbance, transmittance, direct and indirect energy band gap, Urbach energy, excitation coefficient, and refractive index, were investigated using a UV-visible spectrophotometer examination. The direct optical energy band gap lowered from 4.533 eV to 4.368 eV, and the indirect energy optical bandgap lowered from 4.337 eV to 4.146 eV, while the Urbach energy increased from 0.103 eV to 0.209 eV with increasing the nanofillers from 0 to 7.5 wt%. Broadband dielectric spectroscopy was used over a wide frequency range (0.1 Hz–1 MHz). The dielectric real permittivity (ε′), the dissipation factor tan (δ) and the electric modulus (M′&M′′) measurements were studied. CPFO nanoparticles’ addition significantly enhanced the dielectric real permittivity (ε′), the dissipation factor tan (δ), and the ac conductivity of all nanocomposites.
Evaluation of the effectiveness of energetic thermal electrons on the excitation of the ionospheric red 6300 Å airglow
Authors: Birba M , Prokopiou I , Veldes G P 
Published: July 2023

AbstractIn this paper we use previously calculated ionosphere electron temperatures Tein order to estimate the 6300 Å (red) airglow intensity enhancements attributed to thermal electrons from the tail of a Maxwellian electron distribution of sufficiently increased electron temperature. Then, we compare our results with the relevant observed measurements and we comment on the quality of the comparison and the possible causes of the differences. We also calculate the airglow intensity characteristic rise and decay times and compare them to the experimental ones, and we investigate the origin of the electrons which excite the red airglow. In the end, we assess the departure of the ionosphere electron energy distribution from a purely Maxwellian one, and the role of the electron elastic and inelastic collisions with the other components of the ionospheric F-region.
Out-of-equilibrium gene expression fluctuations in the presence of extrinsic noise
Authors: Biondo Marta , Singh Abhyudai , Caselle Michele , Osella Matteo 
Published: July 2023

Abstract
Cell-to-cell variability in protein concentrations is strongly affected by extrinsic noise, especially for highly expressed genes. Extrinsic noise can be due to fluctuations of several possible cellular factors connected to cell physiology and to the level of key enzymes in the expression process. However, how to identify the predominant sources of extrinsic noise in a biological system is still an open question. This work considers a general stochastic model of gene expression with extrinsic noise represented as fluctuations of the different model rates, and focuses on the out-of-equilibrium expression dynamics. Combining analytical calculations with stochastic simulations, we characterize how extrinsic noise shapes the protein variability during gene activation or inactivation, depending on the prevailing source of extrinsic variability, on its intensity and timescale. In particular, we show that qualitatively different noise profiles can be identified depending on which are the fluctuating parameters. This indicates an experimentally accessible way to pinpoint the dominant sources of extrinsic noise using time-coarse experiments.
Development of a shaper and discriminator chip with time walk compensation for HFRS-TPC detector
Authors: Yang Mingyu , Qian Yi , Pu Tianlei , Sun Zhikun , Lu Weijian , Zhang Jiarui , Liu Zhengqiang 
Published: July 2023

Abstract
In this paper, a shaper and discriminator ASIC chip with
time-walk compensation(TWC) is designed using 180 nm CMOS
technology for a TPC detector which will be assembled on High energy
FRagment Separator(HFRS) beamlines under construction. It comprises
a fast CR-RC shaper, two comparators, and a TWC module. The peak
time of the shaper is 30 ns, and the propagation delay of the
comparator is 2.4 ns (25 mV Overdrive). When the dynamic range of
the TPC output charge is from 10 fC to 1000 fC, the time error of the
trigger signal produced by the ASIC was measured to be less than
2 ns.