bluuebunny/crossref_metadata_2025_split huggingface dataset:
Electrical rock typing using Gaussian mixture model to determine cementation factor
Authors: Najafi-Silab Reza , Soleymanzadeh Aboozar , Kolah-kaj Parvin , Kord Shahin 
Published: March 2023

AbstractMany studies have worked on the estimation of fluid saturation as an important petrophysical property in hydrocarbon reservoirs. Based on Archie's law, proper determination of cementation factor (m) can lead to accurate values of water saturation. Given that the m is mainly affected by electrical properties of rock, electrical quality index (EQI) can be used to estimate m through a novel rock typing technique. Despite the efficient applicability of EQI for the classification of rocks, with similar electrical behaviors, into distinct electrical rock types (ERTs), manual implementation of this method is time-consuming and gets excessively more difficult for larger datasets. In this work, a fast automated version of EQI methodology was presented. As a fuzzy clustering algorithm, Gaussian mixture model (GMM) was implemented on a large quantity of carbonate and sandstone samples to cluster them into distinct ERTs based on EQI values. To this end, 100 data points were randomly selected for testing purposes, and the remaining data points were used as training subsets for carbonate and sandstone samples. An innovative hybrid EQI-GMM approach was developed to determine the optimum number of clusters. Furthermore, results of two commonly-used criteria, namely Schwarz's Bayesian Criterion (BIC) and Akaike Information Criterion (AIC), showed that they fail to specify ERTs properly. The predicted values for m by the hybrid EQI-GMM approach were more accurate (RMSE is 0.0167 and 0.0056 for carbonate and sandstone samples, respectively) than outputs of the traditional Archie’s law (RMSE is 1.6697 and 0.1850 for carbonate and sandstone samples, respectively).
The Comparative Method Based on Coronary Computed Tomography Angiography for Assessing the Hemodynamic Significance of Coronary Artery Stenosis
Authors: Małota Zbigniew , Sadowski Wojciech , Pieszko Konrad , Zimoląg Rafał , Czekała Filip , Malinowska Renata , Hiczkiewicz Jarosław 
Published: March 2023

Abstract
Purpose
An important aspect in the prevention and treatment of coronary artery disease is the functional evaluation of narrowed blood vessels. Medical image-based Computational Fluid Dynamic methods are currently increasingly being used in the clinical setting for flow studies of cardio vascular system. The aim of our study was to confirm the feasibility and functionality of a non-invasive computational method providing information about hemodynamic significance of coronary stenosis.

Methods
A comparative method was used to simulate the flow energy losses in real (stenotic) and reconstructed models without (reference) stenosis of the coronary arteries under stress test conditions, i.e. for maximum blood flow and minimal, constant vascular resistance.
In addition to the absolute pressure drop in the stenotic arteries (FFRsten) and in the reconstructed arteries (FFRrec), a new energy flow reference index (EFR) was also defined, which expresses the total pressure changes caused by stenosis in relation to the pressure changes in normal coronary arteries, which also allows a separate assessment of the haemodynamic significance of the atherosclerotic lesion itself. The article presents the results obtained from flow simulations in coronary arteries, reconstructed on the basis of 3D segmentation of cardiac CT images of 25 patients from retrospective data collection, with different degrees of stenoses and different areas of their occurrence.

Results
The greater the degree of narrowing of the vessel, the greater drop of flow energy. Each parameter introduces an additional diagnostic value. In contrast to FFRsten, the EFR indices that are calculated on the basis of a comparison of stenosed and reconstructed models, are associated directly with localization, shape and geometry of stenosis only. Both FFRsten and EFR showed very significant positive correlation (P < 0.0001) with coronary CT angiography–derived FFR, with a correlation coefficient of 0.8805 and 0.9011 respectively.

Conclusion
The study presented promising results of non-invasive, comparative test to support of prevention of coronary disease and functional evaluation of stenosed vessels.
Encephalomyelitis in a patient with monkeypox: an unusual complication
Authors: Marín-Medina Daniel S. , Castilla-Gómez Laura , Poveda Marcela , Ortiz Leonora , Ariza-Serrano Lina M. , Schlesinger-Piedrahita Antonio , Torres-Zafra Javier , Tapias-Agamez Manuel , Osorio-Lombana Juan Pablo , Arias-León Gerson , Silva Edwin 
Published: March 2023

Abstract
A new outbreak of monkeypox has been reported worldwide with CNS complications like encephalitis or myelitis being extremely rare. We present a case of a 30-year-old man with PCR-confirmed diagnosis of monkeypox who developed rapid neurological deterioration with extensive inflammatory involvement of the brain and spinal cord on MRI. Because of the clinical and radiological resemblance to acute disseminated encephalomyelitis (ADEM), it was decided to indicate treatment with high-dose corticosteroids for 5 days (without concomitant antiviral management due to lack of availability in our country). Given the poor clinical and radiological response, 5 days of immunoglobulin G were administered. During follow-up the patient’s clinical condition improved, physiotherapy was started and all associated medical complications were controlled. To our knowledge, this is the first reported monkeypox case with severe CNS complications treated with steroids and immunoglobulin in the absence of specific antiviral treatment.
Insights into the characteristics of primary radioresistant cervical cancer using single-cell transcriptomics
Authors: Xing Biyuan , Pu Congli , Chen Yunshang , Sheng Yuhan , Zhang Baofang , Cui Jie , Wu Gang , Zhao Yingchao 
Published: March 2023

AbstractRadioresistance is a major cause of radiotherapy failure among patients with cervical cancer (CC), the fourth most common cause of cancer mortality in women worldwide. Traditional CC cell lines lose intra-tumoral heterogeneity, posing a challenge for radioresistance research. Meanwhile, conditional reprogramming (CR) maintains intra-tumoral heterogeneity and complexity, as well as the genomic and clinical characteristics of original cells and tissues. Three radioresistant and two radiosensitive primary CC cell lines were developed under CR conditions from patient specimens, and their characteristics were verified via immunofluorescence, growth kinetics, clone forming assay, xenografting, and immunohistochemistry. The CR cell lines had homogenous characteristics with original tumor tissues and maintained radiosensitivity in vitro and in vivo, while also maintaining intra-tumoral heterogeneity according to single-cell RNA sequencing analysis. Upon further investigation, 20.83% of cells in radioresistant CR cell lines aggregated in the G2/M cell cycle phase, which is sensitive to radiation, compared to 38.1% of cells in radiosensitive CR cell lines. This study established three radioresistant and two radiosensitive CC cell lines through CR, which will benefit further research investigating radiosensitivity in CC. Our present study may provide an ideal model for research on development of radioresistance and potential therapeutic targets in CC.
Efficient heat dissipation perovskite lasers using a high-thermal-conductivity diamond substrate
Authors: Li Guohui , Hou Zhen , Wei Yanfu , Zhao Ruofan , Ji Ting , Wang Wenyan , Wen Rong , Zheng Kaibo , Yu Shengwang , Cui Yanxia 
Published: March 2023

AbstractEfficient heat dissipation that can minimize temperature increases in device is critical in realizing electrical injection lasers. High-thermal-conductivity diamonds are promising for overcoming heat dissipation limitations for perovskite lasers. In this study, we demonstrate a perovskite nanoplatelet laser on a diamond substrate that can efficiently dissipate heat generated during optical pumping. Tight optical confinement is also realized by introducing a thin SiO2 gap layer between nanoplatelets and the diamond substrate. The demonstrated laser features a Q factor of ∼1962, a lasing threshold of 52.19 µJ cm−2, and a low pump-density-dependent temperature sensitivity (∼0.56 ± 0.01 K cm2 µJ−1) through the incorporation of the diamond substrate. We believe our study could inspire the development of electrically driven perovskite lasers.
Supplementary span-to-depth ratio expressions for one-way slab complying with ACI-318 and SBC-304 deflection limits
Authors: Elgohary Hamdy A. 
Published: March 2023

AbstractACI-318 provides two levels for incremental deflection control depending on the damage by large deflections of the nonstructural elements supported to one-way slabs. For these slabs, the provided deflection limit is relatively low and taken as span/480. Otherwise, the ACI-318 code provides span-to-depth ratio limitations as an alternative approach for deflection control. For the case of damage control by large deflection of nonstructural elements, the ACI-318 code does not provide limitations for the minimum slab thickness. The deflection for these slabs should be checked against ACI limits. For conceptual design, designers prefer to use the tabulated minimum thickness for slabs not supporting nonstructural elements and consequently they must check for deflection. Design limitations for the minimum thickness of such slab are essential to facilitate the conceptual prediction of the slab thickness with safely expected deflection. This paper aims to establish span-to-depth ratio expressions for one-way slabs not provided by ACI-318. A parametric study is performed on one-way slabs supporting non-structural elements to study the effect of design variables on the calculated thickness. The deflection limit considered in this study is (L/480). New expressions for span-to-depth ratio incorporating design variables were developed based on the outcomes of the parametric study and ACI-318 Code deflection limits. The results obtained with the proposed expressions have been verified with the deflection limits given by the code. The predicted deflection values are below the code limits in all considered cases.
Blow-Up Solutions for the Space-Time Fractional Evolution Equation
Authors: Hu Zhihao , Shi Qihong 
Published: March 2023

AbstractThis paper focuses on the blow-up solutions of the space-time fractional equations with Riemann–Liouville type nonlinearity in arbitrary-dimensional space. Using the Banach mapping principle and the test function method, we establish the local well-posedness and overcome the difficulties caused by the fractional operators to obtain the blow-up results. Furthermore, we get the precise lifespan of blow-up solutions under special initial conditions.
An Unusual Performance of Polymyositis
Authors: Chu Yuqian , Xiao Wenyan , Yang Min , Li Hui , Zhang Jin , Zheng Yao , Zhang Yang , Hu Juanjuan , Hua Tianfeng 
Published: March 2023

Abstract
Rationale
Polymyositis (PM), which usually occurs in young and middle-aged females, is an inflammatory myopathy characterized by symmetrical proximal limb weakness, neck muscular weakness, and muscle soreness. Severe kidney injury performance caused by the primary disease is uncommon among patients with PM. In this case report, we described the clinical features and pathological clues to help diagnose this disease, furthermore, a review of the literature is provided.

Patient concerns
A 26-year-old female suffered from persistent weakness and pain in the limb muscles for 1 month and anuria for 1 week before admission.

Diagnosis and interventions
Serum creatine kinase (CK) level elevated five times above the limit of normal levels and the myositis autoantibody test was positive. Typical clinical symptoms and signs, laboratory results, and significant therapeutic efficacy of hormone therapy and biological therapy all revealed PM complicated with rhabdomyolysis (RML) clinically. After admission, the patient underwent renal replacement therapy, glucocorticoid treatment and was infused with tocilizumab. And the patient recovered and was discharged 4 months later.

Outcomes
During the conventional treatment, the patient remained in an unstable state. After glucocorticoid pulse treatment and biotherapy, her muscle force enhanced significantly and her general condition improved gradually.

Lessons
PM combined with RML is rare in clinics and easily misdiagnosed as simple RML, which delays the timing of treatment. This study was to explore the disease by reviewing one case and literatures, which would help for early diagnosis of this disease and then give a reasonable basis for future treatment. Glucocorticoids are still the first-line treatment for the disease.
Numerical modeling of seismic behavior of ellipse and peanut-shaped auxetic steel plate shear walls
Authors: Wang Junjie , Zhu Yazhi , Cai Xiaoning 
Published: March 2023

AbstractThis study proposes a new auxetic-shaped steel plate shear walls (simply referred to as ASSPSWs) consisting of boundary members and built-in perforated infill plates. The connection type between the boundary members is a hinge joint. The hole forms on the infill plates include orthogonal ellipse-shaped (ASSPSW-OE) and orthogonal peanut-shaped (ASSPSW-OP). This paper studied the hysteretic performance of two steel plate shear walls’ types based on the finite element analysis method. Within the study context, a parametric analysis was carried out to investigate the influence of various factors, such as hole size and hole distance, on the seismic performance of steel plate shear walls (SPSWs). The results indicated that reducing the the ratio of the ligament thickness to ellipse major axis (t/D) in orthogonal ellipse-shaped SPSWs can effectively increase the porosity while reducing the bearing and energy dissipation capacities. Under the condition with the t/D unchanged, increasing the ratio of the major to minor axis of the ellipse (d/D) raises the porosity and does not significantly reduce the bearing capacity and energy dissipation capacity of the SPSWs. For orthogonal peanut-shaped SPSWs, the holes’ geometrical parameters significantly influence the hysteretic performance. Particularly, with the increase in the radial ratio of large to small circles in a peanut-shaped hole (R/r), the spacing between cells decreases. When drift exceeds 2%, the equivalent viscous damping ratio decreases sharply. Unlike the orthogonal ellipse-shaped SPSWs, changing the arrangement angle of peanut-shaped cells has no significant effect on orthogonal peanut-shaped SPSWs. However, the larger the angle, the greater the out-of-plane buckling of orthogonal ellipse-shaped SPSWs; thus, the energy dissipation capacity is reduced. The similarities lie in that the larger cell arrangement angle will make the steel plates have a complete stress field, and the bearing capacity will be slightly improved. When the cell arrangement angle (θ) is 45°, the SPSWs can develop high initial stiffness.
Chinese oats in temperate Bhutan: Results of field experiments
Authors: Wangchuk Khengtala , Wangchuk Kesang 
Published: March 2023

Abstract
Seven varieties of forage oats from China were evaluated in the temperate environment of Bhutan for morphological traits, dry matter production, and forage quality. The oat variety Qingyin No. 1 provided a greater plant height (61 cm) and the largest number of tillers per plant (five tillers per plant). The leaf-stem ratio (LSR) was highest for Longyan No. 2 (LSR 0.73). During harvest in late winter, Longyan No. 2 had a greater plant height (64 cm) and the highest number of tillers per plant (seven tillers per plant), followed by Qingyin No. 1. The top three varieties with high LSRs of 1.49, 1.31, and 1.35 were Longyan No. 1, 2, and 3, respectively. In both summer and winter, Longyan No. 2 had the highest forage yields of around 5.00 and 4.00 DM t/ha, respectively. Qingyin No. 1 was the second largest forage producer, with under 5.00 DM t/ha in summer and under 3.00 DM t/ha in winter. For forage quality, Longyan No. 2 and Longyan No. 3 had the highest levels of crude protein (15%) in summer. However, during late winter, the Linna variety had the highest crude protein content (13%). The overall results of the field experiments suggest that Longyan No. 2 and Qingyin No. 1 are promising new oat varieties for winter fodder production in the temperate environments of Bhutan.
Fragmented Labor Regime: FDI, Labor Regulation, and Workers’ Protests in China
Authors: Lim Taegyun 
Published: March 2023

AbstractHow does the influx of foreign direct investment (FDI) affect labor protests in China? Building on the framework of fragmented authoritarianism, I argue that the regional competition to attract foreign investment causes labor protests in China due to its deregulatory effects on labor regulation. Each actor, including the central and local governments, foreign investors, and workers, has different cost–benefit considerations, which provide an explanation for the link between foreign investment and labor protests. By theorizing each actor's preferences, this article explains how FDI induces labor deregulation and workers’ protests in China. Analyzing China's prefecture-level city data from 2012 to 2018, I find that the influx of FDI is positively associated with labor protests. The result remains robust to alternative model specifications and instrumental variable estimation. I also provide empirical evidence for the deregulatory effect of FDI on labor standards with an analysis at the firm level using the World Bank Enterprise Survey. These findings deepen our understanding of how FDI shapes labor regulation and induces workers’ protests in the context of China.
Public Opinion in a Rising Power: National and International Orientations among the Chinese Public
Authors: Zhai Yida 
Published: March 2023

AbstractChina's involvement in the world and its economic modernization are expected to lead to its democratization and adherence to the liberal international order. However, after several decades of development, the authoritarian system remains resilient, and China's foreign policy appears to be more assertive. The limited nature of scholarship on the public opinion in a rising power has prevented a better understanding of China's domestic changes and foreign policy. This study seeks to unveil the micro-foundations of the unexpected trajectory of China's rise by investigating the public's national and international orientations using nationwide representative survey data. The results show that international orientations had a very limited effect on Chinese popular attitudes toward domestic politics and foreign relations, while national orientations strengthened public support for the authoritarian system and China's assertive foreign policy. Intergenerational variations existed in public opinion in China, with the Xi generation showing a different pattern of political values than the preceding generations.
Identification of anthropometric surrogate measurements and their cut-off points for the detection of low birth weight and premature newborn babies using ROC Analysis
Authors: Sintayehu Eskedar , Sintayehu Yitagesu , Oumer Abdu , Berhane Anteneh 
Published: March 2023

Abstract
Despite the fact that health facilities in Ethiopia are being built closer to communities in all regions, the proportion of home deliveries remains high, and there are no studies being conducted to identify low birth weight (LBW) and premature newborn babies using simple, best, alternative, and appropriate anthropometric measurement in the study area. The objective of the present study was to find the simple, best, and alternative anthropometric measurement and identified its cut-off points for detecting LBW and premature newborn babies. A health facility-based cross-sectional study was conducted in the Dire Dawa city administration, Eastern Ethiopia. The study included 385 women who gave birth in health facility. To evaluate the overall accuracy of the anthropometric measurements, a non-parametric receiver operating characteristic curve was used. Chest circumference (AUC = 0⋅95) with 29⋅4 cm and mean upper arm circumference (AUC = 0⋅93) with 7⋅9 cm proved to be the best anthropometric diagnostic measure for LBW and gestational age, respectively. Also, both anthropometric measuring tools are achieved the highest correlation (r = 0⋅62) for LBW and gestational age. Foot length had a higher sensitivity (94⋅8 %) in detecting LBW than other measurements, with a higher negative predictive value (NPV) (98⋅4 %) and a higher positive predictive value (PPV) (54⋅8 %). Chest circumference and mid-upper arm circumference were found to be better surrogate measurements for identifying LBW and premature babies in need of special care. More research is needed to identify better diagnostic interventions in situations like the study area, which has limited resources and a high proportion of home deliveries.
Nonmarine ostracod fauna from the Lower Cretaceous Shinekhudag Formation (southwest Mongolia): taxonomy, biostratigraphy, and paleoecology
Authors: Choi Byung-Do , Wang Yaqiong 
Published: March 2023

AbstractThis work provides the detailed investigation (taxonomy, biostratigraphy, and paleoecology) of a nonmarine ostracod fauna from the Shinekhudag Formation in Gobi–Altai area, southwest Mongolia. The samples from two sections (Tsagaan Tsuvarga and Oshih Hollow East) yielded various ostracods assigned to nine species belonging to six genera: Cypridea verrucata Neustrueva, 1974, C. ihsienensis Hou, 1958, C. unicostata Galeeva, 1955, C. tumefacta Neustrueva, 1974, Yumenia cf. Y. oriformis Hou, 1958, Scabriculocypris subscalara Zhang and Chen in Ye et al., 2003, ?Trapezoidella sp., Candona sp., and Vlakomia ulanense Neustrueva, 1977. The biostratigraphic application of our taxonomic results suggests that the age of the Shinekhudag Formation is Barremian–Aptian. In addition, the ostracod fauna shows strong affinities to faunas from northeast China and potentially northwest China, providing evidence of faunal exchanges between these regions and southwest Mongolia. The new discovery of Vlakomia ulanense indicates that mid-Cretaceous (Albian) species in northeast China probably originated in Mongolia at the time of deposition of the Shinekhudag Formation. Two ostracod assemblages in the studied sections reflect that different paleoenvironment settings have existed during deposition; the Tsagaan Tsuvarga Section represents a shallow-littoral zone of athalassic (inland) saline lake under arid climate, and the dominance of cypridoideans of the Oshih Hollow East Section is indicative of ephemeral water bodies.
New insight into Cenozoic Orbitestellidae (Gastropoda: Heterobranchia) from the Magellanic Region based on lower Neogene and Recent species
Authors: Di Luca Javier , Griffin Miguel , Pastorino Guido 
Published: March 2023

AbstractPatagorbitestella new genus is here proposed to include two extant and one fossil species: P. ponderi (Linse, 2002) new combination, P. patagonica (Simone and Zelaya, 2004) new combination, and P. leonensis new species, the last described from the Punta Entrada Member of Monte León Formation (50°21′25.4”S, 68°53′05.9″W, Aquitanian to lower Burdigalian, lower Miocene). A protoconch sculptured with distinctive microscopic spiral threads serves as a per se diagnostic shell character for the new genus. Patagorbitestella n. gen. constitutes a distinctive lineage of orbitestellid gastropods inhabiting exclusively the Magellanic Region at least since the early Miocene. This is the first fossil record of Orbitestellidae in South America.UUID: http://zoobank.org/e48a4b73-1c0a-4bf7-aceb-8a180ef7e039