bluuebunny/crossref_metadata_2025_split huggingface dataset:
Solving complex surface rolling tasks: propose scheme, mechanism configuration synthesis and apply a new PMs kinematic analysis method
Authors: He Yufan , Fang Hairong , Chen Yufei , He Litao , Qi Tianfeng , Wang Haoqian , Xin Aqing 
Published: December 2023

Abstract
It is always a difficult point in the manufacturing field to realize the surface rolling of complex surface workpieces with both positive and negative curvature and taper by using robot technology. This working condition requires the working manipulator to carry the roller. In the process of advancing along the roller path, the feed direction of the roller always coincides with the normal line at the current point to ensure that the roller pressure is adjustable and controllable. Therefore, the manipulator needs to meet the performance characteristics of high stiffness, large workspace and flexible pose transformation. According to the analysis of the complex curved surface workpiece, we conclude that the manipulator configuration to realize the working action should have the 5-degree-of-freedom motion ability of 3R2T. After analyzing the work of the serial manipulator, we find that the attitude change will cause the joint angle of the manipulator to change suddenly, which will cause the potential risk of interference between the manipulator and the workpiece. Therefore, it can be determined that the manipulator with a series-parallel hybrid (SPH) configuration is more suitable for solving such problems. The first-level parallel mechanism is assigned to realize the position adjustment function and the second-level parallel mechanism is used to realize the attitude transformation. The configuration evolution is carried out by using the displacement manifold theory, and finally the SPH configuration is obtained. In the analysis of the workspace, a new solution method is proposed. Compared with the traditional solution method that requires a fixed attitude or position, the new method can obtain the full-attitude workspace while greatly reducing the amount of calculation. Finally, we prove that the designed configuration can realize the surface rolling task of complex curved workpieces through workspace analysis. The SPH manipulator configuration scheme proposed in this study can completely change the current production status of manual ways for such engineering problems. The proposed new method of workspace solution can be used as a tool to provide a more efficient solution path for mechanism workspace analysis.
The reliability and validity test of the Revised Indebtedness Scale for Chinese university students
Authors: Zhang Jing , Feng Rui , Liang Hongyu , Jin Tonglin , A Yunna , Li Xiaoyu , Liu Minghong 
Published: December 2023

Abstract
Purpose
The purpose of this study was to evaluate the psychometric properties of the Chinese version of the Revised Indebtedness Scale (IS-R-C) in mainland China.
Methods
A total of 1057 university students participated in this study using the whole group sampling method. Sample 1, consisting of 537 participants, was used for item analysis and exploratory factor analysis (EFA) of the Revised Indebtedness Scale (IS-R). Sample 2, comprising 520 participants, was used for confirmatory factor analysis (CFA) and reliability analysis. To test criterion validity, the Social Avoidance and Distress Scale (SADS), the Renqing Questionnaire and the Subjective Well-being Scale (SWBS) were administered. Furthermore, a subgroup of 96 participants from sample 2 was employed to evaluate the test-retest reliability.
Results
The results of the item analysis and EFA showed that the IS-R-C consists of 12 items, which can be categorized into two dimensions: pressure to repay and requirements for interaction. CFA further supported this two-factor model for the IS-R-C. The scale demonstrated a significant positive correlation of 0.34 (p < 0.001) with SAD and 0.34 (p < 0.001) with renqing, while exhibiting a negative correlation of -0.09 (p < 0.05) with SWB. The Cronbach's α coefficient for the overall IS-R-C score was 0.88, indicating high internal consistency. Furthermore, the scale demonstrated acceptable test-retest reliability with a correlation coefficient of 0.68 (p < 0.001) after a four-week interval.
Conclusion
The IS-R-C demonstrates satisfactory psychometric properties, including strong reliability and validity, making it a suitable measure for studying indebtedness and related research in China.
Pulmonary Melioidosis mimicking Lung Cancer：A diagnostic challenge
Authors: Yang Xiaohong , Ying Zhuo-Peng , Zhan Yue-fu , Chen Jian-Qiang 
Published: December 2023

Abstract
BACKGROUND
Melioidosis is an infectious disease in tropical and subtropical areas, which can easily lead to septicaemia or even death after infection. Timely and accurate diagnosis is crucial for prognosis. However, in the early stages, clinical symptoms and laboratory tests often lack specificity, leading to frequent misdiagnosis and delayed treatment. The imaging features that mimic malignant lung tumors further contribute to the diagnostic challenges.
METHODS
A retrospective analysis was conducted on six cases of pulmonary melioidosis disease with the imaging findings resembled lung cancer in Hainan province from 2002 to 2022. These cases were compared and summarized with data from 13 previously reported cases of melioidosis misdiagnosed as lung cancer in the literature. Clinical, laboratory, and radiological features were analyzed to better understand this condition.
RESULTS
A retrospective analysis of 19 patients with pulmonary nasal disease mimicking lung cancer revealed that 100% of them had a history of contact with an endemic area, and 95% had predisposing risk factors. Clinical presentations and laboratory data showed little differentiation from lung cancer, with 54% of patients experiencing weight loss and 63% presenting with cough. Radiologically, the pulmonary nasal disease mimicked central lung cancer in 16 cases (84%) and peripheral lung cancer in 3 cases (16%). We found that lesions mimicking central lung cancer were characterized primarily by extensive liquefactive necrotic areas and irregular ring enhancement (94%), with the presence of air bubbles within the lesions being relatively common (63%). Lesions mimicking peripheral lung cancer predominantly exhibited irregular ring enhancement and air bubble signs (100%), with 67% of patients showing multifocal nodules.
CONCLUSION
Infection with pulmonary nasal disease can manifest with clinical and radiological features that mimic lung malignancies, significantly impacting patient prognosis. Important distinguishing features between the two include the presence of patchy necrosis, irregular ring enhancement, and air bubble signs within the lesions. Therefore, when patients have an epidemiological history and present with tumor-like lesions in the lungs, clinicians should maintain a high level of vigilance.
Fundal intramural ectopic pregnancy after previous B-Lynch sutures : A case report
Authors: Xiang Junmiao , Chen Fengdan , Cai Zhuhua , Bao Ruru 
Published: December 2023

Abstract
Background: Intramural pregnancy is a rare form of ectopic pregnancy that occurs within the myometrium. It is challenging to diagnose it early because of its nonspecific clinical presentation, and there is no consensus or guideline on the optimal management among gynecologists.
Case presentation: We report a case of a 34-year-old woman who developed fundal intramural pregnancy after a previous caesarean section with B-Lynch suture. The diagnosis of intramural pregnancy was not confirmed by magnetic resonance imaging or ultrasound. An exploratory laparoscopy and hysteroscopy was performed to remove the gestational sac without significant bleeding.
Conclusions: Intramural pregnancy is a challenging condition that requires gynecologists to be familiar with various management strategies and to customize the treatment plan according to the patient’s clinical situation and preferences. Laparoscopic surgery is a safe and effective option for treating complete intramural pregnancy, especially when the gestational sac is located close to the uterine serosa.
Investigating Spatio-temporal behaviour for Groundwater in North-West India: A Deep Learning Approach
Authors: Pranjal Pranshu , Kumar Dheeraj , Soni Ashish , Chatterjee R. S. 
Published: December 2023

Abstract
Sustainability and conservation of natural resources require amalgamation of the novel approaches with the current usages and weather conditions. Groundwater resources is one of the natural resources which is varying annually and requires regular attention for the prediction. Our proposed deep learning (DL) approach, namely Convolution Neural Network-Long short term memory (ConvLSTM) has been implemented for the groundwater level (GWL) prediction model. The model is designed based on U-Net framework with up-sampling and down-sampling modules and also induces non-linearity using the ReLU activation function. Each module in the LSTM unit is responsible for pattern recognition based on the temporal information of GWL. The assessment of the groundwater in North-West India (NWI) has been carried out using several fundamental factors such as precipitation, soil moisture, evapotranspiration and satellite-based groundwater storage. In addition, in-situ groundwater has been used to get groundwater fluctuation scenarios (i.e., categorised into four cycles PrePre, PrePost, PostPre, and PostPost) w.r.t monsoon season to understand the difference (Δh) in GWL. The proposed model has been tested with other DL frameworks such as; Artificial neural network (ANN) and Convolution neural network (CNN). The model has been trained using the stochastic gradient method to optimise the internal parameter and validated using several geo-locations information of NWI, where ConvLSTM outperformed compared to the benchmark method. The proposed model has shown consistent least error in terms of root mean square root (RMSE) and mean square error (MAE) for the year 2014-17 with an overall score of 0.0957 and 0.0520, respectively.
The safety and efficacy of left subclavian artery reconstruction through in situ needle fenestration in thoracic endovascular aortic repair
Authors: Meng Xiaohu , Xie Xupin , Liu Yongchang , Huang Changpin , Wang Linjun , Xu Dong , Liu Hanyi , Ye Ziqiu , Xie Weihong , Fang Xin 
Published: December 2023

Abstract
In recent years, thoracic endovascular aortic repair (TEVAR) with left subclavian artery (LSA) preservation via in situ needle fenestration has been performed at the author's hospital for the treatment of thoracic aortic diseases and has achieved good clinical results. This study analyzed the safety and effectiveness of this method by summarizing relevant data. The study retrospectively analyzed the relevant clinical data of the patients, including demographic information, clinical manifestations, perioperative outcomes and follow-up results. The number of fenestrations and the specifications of the fenestration stent were determined according to preoperative computed tomographic arteriography (CTA) imaging data. The LSA was reconstructed by using in situ needle fenestration technique, and CTA was performed at the initial 3-month visit and then annually thereafter. All patients were successfully operated on, and the success rate of in situ fenestration of the left subclavian artery (LSA) was 100%. The mean follow-up duration was 31 months (range: 6-78 months). Follow-up CTA showed no progression of aortic lesions in any patient and no fenestration branch vessel occlusion. In situ needle fenestration technology for LSA preservation in TEVAR is feasible and effective for the treatment of thoracic aortic diseases. The follow-up results are satisfactory, and the technique has a high success rate, high subclavian artery stent patency rate and a low complication rate.
Early Childhood Height is a Determinant of Young Adult Stature in Rural Nepal
Authors: Chen Jiaxin , Adkhikari Ramesh K. , Wu Lee S-F , Khatry Subarna K. , Christian Parul , LeClerq Steven C. , Katz Joanne , West Keith P. 
Published: December 2023

Abstract

Background: Does preschool height predict adult stature in undernourished settings? The extent to which preschool length or height forecasts young adult stature is unclear in chronically undernourished populations.
Methods: In 2006-8, we assessed height in a cohort of 1859 young adults, aged 16-23 years, in rural Nepal who, as preschoolers (<4 yr), were measured at baseline and again 16 months later during a vitamin A supplementation trial in 1989-91. We assessed by linear regression the ability of preschool length (L, measured <24 mo) or height (Ht, 24-59 mo), at each year of age to predict 16-23 year old height, adjusted for month of young adult age, interval duration (in months), caste, preschool weight-for-height z-score and, in young women, time since menarche, marriage status and pregnancy history.
Results: Young women were a mean of 0.81, 1.15, 0.8, 0.23, 0.35 cm taller (all p<0.01) and young men, 0.85, 1.17, 0.69, 0.63 and 0.49 cm taller (all p<0.001) per cm of attained L/Ht at each successive preschool year of age and, overall, were 1.98 and 2.39 cm taller for each unit increase in preschool L/Ht z-score (L/HAZ) (both p<0.001). Coefficients were generally larger for 16-month follow-up measurements. Combining data from both early childhood assessments, the percent of young adult height attained by children with normal L/HAZ (>-1) increased from 38-40% mid-infancy to ~69-74% by 6 years of age. By 3-6 years of age heights of stunted children (L/HAZ<-2) were consistently ~4-7% lower in their young adult height versus normal statured children. There was no effect of preschool vitamin A receipt.
Conclusions: Shorter young children become shorter adults but predictive effects can vary by sex, age assessed, and may be influenced by year or season of measurement.
Machine Learning Model Based on Radiomics Features for AO/OTA Classification of Pelvic Fractures on Pelvic Radiographs
Authors: Park Jun Young , Lee Seung Hwan , Kim Young Jae , Kim Kwang Gi , Lee Gil Jae 
Published: December 2023

Abstract
Objectives: Pelvic radiography can quickly diagnose pelvic fractures, and the Association for Osteosynthesis Foundation and Orthopedic Trauma Association (AO/OTA) classification system is useful for evaluating pelvic fracture instability. This study aimed to develop a radiomics-based machine-learning algorithm to quickly diagnose fractures on pelvic X-ray and classify their instability. A total of 93 features were extracted based on radiomics:18 first-order, 24 GLCM, 16 GLRLM, 16 GLSZM, 5 NGTDM, and 14 GLDM features. To improve the performance of machine learning, the feature selection methods RFE, SFS, LASSO, and Ridge were used, and the machine learning models used LR, SVM, RF, XGB, MLP, KNN, and LGBM.
Results: The machine learning model was trained based on the selected features using four feature-selection methods. Among them, the combination with the machine learning model SVM showed the best performance, with an average AUC of 0.75±0.06. By obtaining a feature-importance graph for the combination of RFE and SVM, it is possible to identify features with high importance.
Conclusions: The AO/OTA classification of normal pelvic rings and pelvic fractures on pelvic AP radiographs using a radiomics-based machine learning model showed the highest AUC when using the SVM classification combination.
Fabrication and electrochemical properties of nanorod-shaped LiFePO4 using iron powder as the iron source
Authors: Qin Anrui , Hu Junxian , Wang Li , Yuan Yajie , Li Yin , Yao Yaochun 
Published: December 2023

Abstract
In this work, nanorod-shaped LiFePO4 cathode materials are synthesized using an liquid-phase method with reduced iron powder, H3PO4, and LiOH·H2O as source materials. The crystal structure, morphology and electrochemical performance are characterized by X-ray diffraction (XRD), scanning/transmission electron microscope (SEM/TEM), electrochemical test. The results illustrate that Li:Fe:P molar ratio plays an significant role in regulating the morphology and structure of LiFePO4. By modifying the reaction molar ratios, the material undergo a transformation from spherical-shaped nanoparticles to nanorod-shaped. After carbon coating, the LiFePO4/C composite material prepared at 180°C for 12 h with Li:Fe:P ratio 3:1:1.5 displays outstanding electrochemical performance. It achieves a discharge capacity of 120 mAh/g at 1 C, and even after 200 cycles, the capacity retention of this composite material remains above 95%. This method provides a simple, economic and environmentally friendly way to prepare LiFePO4 cathode material for lithium-ion battery.
CD38+HLA-DR+CD8+ T Cells induced by IL-15 exert liver injury through NKG2D in chronic hepatitis B cirrhosis
Authors: Xu Min , Fan Jing , Liu Ke , Yan Wanping , Wu Huanyu , Dong Hongliang , Ye Wei , Yang Yongfeng 
Published: December 2023

Abstract
Background: Liver cirrhosis could lead to immune dysfunction. During the pathogenesis of liver cirrhosis, CD8+ T cells play a critical role. While CD38+HLA-DR+CD8+ T cells, also called bystander activation CD8+ T cells, had been shown to
be involved in host injury, its specific contribution to liver cirrhosis had remained not unclear. The aim of this study was to understand how these CD38+HLA-DR+CD8+ T cells exerted a pathogenic role in liver cirrhosis.
Methods: Flow cytometry was performed to detect the immunophenotype, antigen-specific T cells, cytokines secretion, and cytotoxicity related indicators of CD38+HLA-DR+CD8+ T cells. Transcriptome analysis was utilized to analyze the functional properties of these cells. The cytotoxicity of CD38+HLA-DR+CD8+ T cells was detected by cytotoxicity assay and antibody blocking assay.
Results: The percentage of CD38+HLA-DR+CD8+ T cells in patients with liver cirrhosis significantly increased and was correlated with liver injury. These CD8+ T cells contained largely non-HBV specific T cells. Transcriptome analysis revealed that these CD8+ T cells subsets exhibited innate-like functional characteristic. In addition, these cells mainly consisted of effector memory T cells and displayed high expression levels of cytotoxicity-related cytokines, especially granzyme B and perforin. Stimulation experiments with cytokines shown that IL-15 could promote the activation and proliferation of these CD8+ T cells. Lastly, blocking assays indicated that CD38+HLA-DR+CD8+ T cells had strong cytotoxic effects in a TCR-independent manner, mediated by NKG2D.
Conclusion: CD38+HLA-DR+CD8+ T cells were correlated with the liver injury in liver cirrhosis, and these cells exerted liver damaging effects through NKG2D in a TCR-independent manner.
Diabetes Mellitus Type2 and Popular Misconceptions: A Cross-Sectional Survey
Authors: Babak Anahita , Rouzbahani Shiva , Safaeian Alireza , Poonaki Farzam 
Published: December 2023

Abstract
Introduction: Diabetes is a chronic condition that requires long-term close management to prevent complications. One of the most important barriers to treatment is common misconceptions surrounding different areas related to this disease such as etiological causes, dietary information, medical treatment, long-term laboratory testing, and complications.
Methods: In this cross-sectional study, 390 patients with Diabetes Mellitus type 2 were enrolled through convenient sampling method from different Diabetes centers. A Validated set of questions about the etiology of DM, dietary information, medical treatment, and complications was used to extract data. The results were analyzed with Chi-square test using SPSS software v. 24.
Results: A total of 390 subjects (mean age 56 ± 13.4 years, 58% females) enrolled in the survey. The most common misbeliefs regarding diabetes mellitus, extracted from this study are as follows:
Only solid oils are fattening (302, 77.4%), patients with diabetes are allowed to consume dried mulberry in any amount (201, 51.5%), diabetes is only a hereditary disease (177, 45.3%), only obese people can get diabetes (167, 42.8%), and patients with diabetes are allowed to consume fruits in any amount because fruit sugar is natural (143, 36.6%).
Conclusion: Patients have different misconceptions about the pathogenesis and management of diabetes mellitus. As myths can affect glycemic control adversely, patient education should be an important part of patient management.
Correlation analysis of PPP2R1A gene expression and immune infiltration in hepatocellular carcinoma
Authors: Peng Xiancong , Wang Qizhi , Zheng Hailun , Liu Wei , Mei Letian , Ren Zhi , Xu Linxia , Huang Xixiang , Li Dapeng , Ma Zhenzeng , Wei Jun , Chai Damin , Ke Xiquan 
Published: December 2023

Abstract
Background
To investigate the effect and prognostic value of PPP2R1A on immune infiltration in hepatocellular carcinoma (HCC).
Methods
The expression of PPP2R1A in HCC and its relationship with the prognosis of HCC patients were analysis by The Cancer Genome Atlas (TCGA) database using bioinformatics methods and verified by immunohistochemical staining. Immunomodulators associated with PPP2R1A were extracted from the TISIDB database, and immune events associated with PPP2R1A were analysis by KEGG pathway enrichment. COX regression was used to develop a multigene risk prediction model for prognostic risk model construction and validation.
Results
The expression level of PPP2R1A in hepatocellular carcinoma tissues was significantly higher than that in paraneoplastic tissues (P < 0.05).The overall survival of the PPP2R1A high expression group was significantly lower than that of the low expression group (P = 0.003). The risk score can be used as an independent predictor of prognosis in patients with hepatocellular carcinoma.
Conclusion
PPP2R1A is highly expressed in hepatocellular carcinoma, and its expression level correlates with the overall survival of patients; PPP2R1A correlates with the tumor immune infiltration of hepatocellular carcinoma, suggesting that PPP2R1A may be a potential immunotherapeutic target for hepatocellular carcinoma.