bluuebunny/crossref_metadata_2025_split huggingface dataset:
Design and technological analysis of the multi-position progressive die for the clamp
Authors: Liang Haicheng , Song Lihua , Kang Junyuan 
Published: October 2024

Abstract
The technological process of the clamp part is analyzed, the design of the stamping and bending process for the clamp is introduced, including determination of the operation sequence and operation position parts dimensions. The process is used side blade settles to distance, pilot pin was used in exact positioning, the blanking and bending of the part were carried out continuously. The design of the general structure, layout of the progressive and forming characteristics die for the clamp is introduced in detail, the method for designing and calculating the key parts.
Design improvement of interference-type locking cylinder
Authors: Zhang Junli , Lu Baochun , Zhang Honghu , Yao Jiachen , Li Zhengyang 
Published: October 2024

Abstract
The wear of the cylinder and locking-sleeve, generate during operation, is one of the main problems of interference-locking cylinder. In order to solve this problem, the operating principle and traditional design method of interference-locking cylinder are introduced briefly, the causes of wear are found based on its force state. And then an improved design method of interference-locking cylinder is proposed, the magnitude of interference is divided into two parts. A simplified finite element model of interference-fit is established and simulations are conducted to verify the effectiveness of the improved design method, the results indicate that the improved design method reduces the wear of the cylinder and locking-sleeve, and also can improve the service life of the interference-locking cylinder.
Influence of input parameters on the measurement accuracy of external clamp-on ultrasonic flowmeters: An experimental study
Authors: Yang Zhongzhi , Yu Chunyang , Gan Quanlu , Yang Hongjie , Liu Xing 
Published: October 2024

Abstract
This study comprehensively evaluated the performance of clamp-on ultrasonic gas flowmeters at a natural gas field. The research focused on the influence of key input parameters on flow measurement accuracy during practical application of the instrument and proposed specific measures to improve measurement results. It was found that errors in outer diameter and wall thickness not only lead to flow calculation inaccuracies but also directly impact the propagation path of ultrasonic waves. Therefore, accurate input parameters are crucial to ensure precise flow results. Additionally, the study revealed that changes in installation distance have minimal effects on flow measurement results and adjustments can be made as needed to obtain better signal parameters. Variations in input temperature and pressure mainly affect the conversion coefficient from operating conditions to standard conditions, with minor impacts on flow velocity and operating flow rate. Thus, the velocity ratio method can be considered during on-site calibration to mitigate the effects of temperature and pressure changes.
Research on the calibration method of winding deformation tester
Authors: Sun Xiaojie , Gao Zhishang , Chen Qian , Liu Xiao , Deng Bing , He Qingyu , Wang Dalong 
Published: October 2024

Abstract
The focus of this paper is the calibration method and process for winding deformation tester, encompassing its working principle, metrological characteristics, calibration conditions and measurement methods. The calibration conditions are divided into environmental conditions and measurement standards and other equipments. The measurement methods are divided into indication error of scanning frequency and indication error of amplitude ratio. The key steps in the calibration process are elaborated, including the selection of standard equipments, error analysis, data processing. The method’s feasibility is verified through experiments.
An analytical solution to “pillowing effect” for composite fuselages
Authors: Feng Jianwen , Li Chenlai , Xiao Zhengxing 
Published: October 2024

Abstract
“Pillowing effect”, introduced by inner cabin air pressure on stringer-frame stiffened fuselage cylinder, is a critical loading case for civil aircraft fuselage. The “pillowing effect” causes out-of-plane bending and shear to fuselage panels, which is a rather huge load for such membrane structures. The fuselage’s longitudinal load and bending load interact nonlinearly with each other in a so called “beam-column” formation, invalidating the superposition principle for linear elasticity. An analytical solution to the axisymmetric “beam-column” model is given in this study to account for the “pillowing effect” of orthotropic composite fuselages. This formula can be employed to perform stress checks against “pillowing effect” during fuselage design.
Study on binders and pore-forming agents on properties of SiCp particulates preforms
Authors: Yu Yingwei , Wang Xinwen , Liu Wangzi , Jiang Jun , Xiao Weijun 
Published: October 2024

Abstract
The effects of the content of the starch, stearic acid, or graphite and binder (sodium metasilicate) on the microstructure, volume fraction, porosity, dimension of the SiCp preforms, and compressive strength were studied. Two methods were used to fabricate the SiCp preforms, that is, SiCp preforms by using the binders of sodium metasilicate or not, respectively, and were calcined in air. The results show that the SiCp preforms were fabricated with starch, stearic acid and graphite as pore-forming agents, which the volume fraction can exceed 54%; used graphite which volume fraction can reach a maximum of 56.2%; After sintered, the dimension of SiCp performs is in the range of 2.9%∼3.2%; The compressive strength of SiCp performs with the binders of sodium metasilicate can reach 35Mpa.
Multisource partial domain adaptation for bearing fault diagnosis
Authors: Wang Minghui , Chen Yuhang , Xiao Lei 
Published: October 2024

Abstract
Domain adaptation has been widely used in fault diagnosis and dealt with data distribution discrepancies, but the labels in source and target domains are usually assumed to be identical. The complexity of the working conditions, in reality, leads to the fact that the labels in target domains are often a subset of the labels in source domains. This special case is called the partial domain problem. However, most of the existing proposed methods for solving partial domain problems are limited to single-source-domain scenarios and fail to effectively integrate multisource knowledge. Hence, this study proposes a new approach of multisource domain obfuscation-subdomain alignment (MSDO-SA) for partial domain adaptation fault diagnosis in multisource domains. Through domain obfuscation, the multisource domains are converted into a single source domain. The subdomain alignment aims at improving the generalization ability and relevance of the model, and effectively alleviates the domain shift problem. Finally, multiple partial domain fault diagnosis tasks using the CWRU dataset validate the effectiveness, robustness, and superiority of the proposed method.
A remaining useful life prediction method based on DATCN-PSOSEN for turbofan engines
Authors: Fan Yijing , Han Dongyang , Hong Ge , Wang Yu , Zhang Fengqi , Xia Tangbin 
Published: October 2024

Abstract
Turbofan engine is a crucial operational component of aircraft. Remaining useful life (RUL) prediction is important for the stable and reliable operation of the turbofan engine. High-dimensional and large-capacity monitoring data of turbofan engines pose a considerable challenge to accurate RUL prediction. A novel approach based on dual-attention temporal convolutional network (DATCN) and particle swarm optimization with selective ensemble (PSOSEN) is proposed in this paper. In the first stage, DATCN is utilized to explore the internal correlations among various input features and different time steps in monitoring data, highlighting the degradation information from two dimensions. In the second stage, PSOSEN is developed to prune base models, excluding the ones with poor performance and assigning varying weights to the others, leading to selectively ensembled prediction results. The experimental results on the C-MAPSS aero-engine degradation dataset validate the effectiveness of the proposed DATCN-PSOSEN method and show improvements of RUL prediction accuracy by 14.2% compared with other methods.
Unsupervised motor incipient fault detection using lightweight network and orthogonal low-rank embedding
Authors: Han Jinrui , Chen Zhen , Pan Ershun 
Published: October 2024

Abstract
Electrical motor is a key component in industrial systems. Detecting incipient fault of motor is critical to system reliability. However, the characteristics of faults and normal stages are difficult to distinguish, Meanwhile, the lightweight requirements of the model and the imbalance of the samples also make incipient fault detection challenged. To address these problems, this paper proposes an unsupervised fault detection method combines lightweight network and orthogonal low-rank embedding (OLE). The raw signals are firstly transformed into time-frequency images and fed into lightweight convolution network for feature extraction. Then, the features are clustered into orthogonal subspaces to enhance inter-class separability. Finally, a detection module based on distance metric is designed to identify the incipient fault of motor. The effectiveness of the proposed method is validated on four industrial motor dataset and compared with other methods.
PVDF/NiFe2O4 multiferroic composite membranes for dual mechanical and magnetic energy harvesting devices
Authors: Kieu Quang-Linh , Duong Thanh-Tung , Bui Thi-Hang , Nguyen Van-Quy , Yoon Soon-Gil , Tran Van-Dang 
Published: October 2024

Abstract
A multiferroic composite membrane, combining PVDF piezoelectric polymer and nickel ferrite (NFO) nanofibers, was successfully fabricated and studied as an active material layer in multifunctional devices designed to harvest both mechanical and magnetic energy. Optimization of the manufacturing process ensured an even distribution of NFO fibers within the PVDF matrix, enhancing the crystallization of PVDF in the electroactive β phase. The resulting PVDF/NFO multiferroic films exhibited both piezoelectric and magnetic properties, along with a pronounced magnetoelectric (ME) effect. In a structure comprising Al/PVDF-NFO/PDMS/Al, the device operated as a piezoelectric generator (PEG) under a pressing force of 0.5 MPa, achieving a maximum output power density of 14.7 μW cm−12 with a peak-to-peak voltage of 12.2 V. When subjected to an AC magnetic field of 20 Oe at 50 Hz, the device functioned as a magneto-mechano-electrical (MME) generator, producing a sinusoidal waveform voltage of 486 mV. The cost-effective and easily integrable PVDF/NFO composite membrane presents promising opportunities for developing flexible, self-powered smart sensors for human health monitoring systems and implantable biomedical devices.
Optimizing Safety and Precision for Secondary Liposuctions: Integrating Intraoperative Ultrasound With VASER Technology
Authors: Tambasco Damiano , Hoyos Alfredo , Perez Mauricio , Tomaselli Federica , Mir Jordi , Albanese Roberta 
Published: October 2024

Abstract

Background
Liposuction has gained significant popularity, leading to increased demand for secondary procedures due to complications such as scars and fibrosis that affect aesthetic outcomes. High-definition liposuction has emerged as a preferred technique, but the presence of fibrosis from previous surgeries may limit its effectiveness.

Objectives
The aim of this study was to explore the application of ultrasound (US)-assisted VASER (vibration amplification of sound energy at resonance; VASER-Solta Medical, Bothell, WA) liposuction in secondary abdominal liposculpture to address these challenges.

Methods
A prospective cohort study was conducted between May 2022 and May 2023 of patients undergoing secondary abdominal liposculpture with US-assisted VASER liposuction, at least 12 months after their initial procedure. Preoperative US examinations were performed to identify and mark findings related to previous liposuction. Data on demographics, photographic results, and complications were collected and analyzed.

Results
Intraoperative ultrasound (I-US) significantly improved the detection of fibrotic lesions, leading to more precise, rapid, and atraumatic outcomes. The use of I-US optimized surgical procedures, reducing both costs and operation time. Clear communication with patients regarding potential limitations due to chronic damage was essential for setting realistic expectations.

Conclusions
I-US has proven to be an invaluable tool in secondary liposculpture, enhancing surgical precision and outcomes. This methodology allows for better recognition of complications, promoting effective treatment strategies and ultimately improving patient satisfaction in the context of secondary abdominal liposculpture.

Level of Evidence: 4 (Therapeutic)
Hybrid grain production in wheat benefits from synchronized flowering and high female flower receptivity
Authors: Schmidt Constanze , Hinterberger Valentin , Philipp Norman , Reif Jochen C , Schnurbusch Thorsten 
Published: October 2024

Abstract
The performance of plant hybrids relative to line breeding types is generally associated with higher yields, better adaptation, and improved yield stability. In bread wheat (Triticum aestivum L.), however, a broad commercial success for hybrids has not been accomplished until now largely due to the low efficiency of hybrid grain production, which is highly attributable to its self-pollinating nature. To better understand how hybrid wheat grains can be produced more effectively, we investigated the influence of synchronized flowering between female (i.e. male-sterile) lines and their male cross-pollinator lines as well as of the duration of flowering on hybrid grain production. We found that synchronization of flowering in combination with the longest possible temporal overlap had the largest positive effect on hybrid grain production. However, despite sufficient spatial and temporal synchronization of flowering, we also found that some female lines had lower hybrid grain set than others, suggesting genetic differences in female floral receptivity. To better assess female receptivity, we established a new phenotyping scale of male-sterile wheat flowers that provides the floral basics for effective cross-pollination. Applying this scale in our field and greenhouse trials revealed that better performing female lines remained longer in the pollen-receptive phase.
Symmetry, Invariance, and Imprecise Probability
Authors: Goodsell Zachary , Nebel Jacob M 
Published: October 2024

Abstract
It is tempting to think that a process of choosing a point at random from the surface of a sphere can be probabilistically symmetric, in the sense that any two regions of the sphere which differ by a rotation are equally likely to include the chosen point. Isaacs, Hájek and Hawthorne (2022) argue from such symmetry principles and the mathematical paradoxes of measure to the existence of imprecise chances and the rationality of imprecise credences. Williamson (2007) has argued from a related symmetry principle to the failure of probabilistic regularity. We contend that these arguments fail, because they rely on auxiliary assumptions about probability which are inconsistent with symmetry to begin with. We argue, moreover, that symmetry should be rejected in light of this inconsistency, and because it has implausible decision-theoretic implications. The weaker principle of probabilistic invariance says that the probabilistic comparison of any two regions is unchanged by rotations of the sphere. This principle supports a more compelling argument for imprecise probability. We show, however, that invariance is incompatible with mundane judgements about what is probable. Ultimately, we find reason to be suspicious of the application of principles like symmetry and invariance to non-measurable regions.
Localization and discrimination of GG mismatch in duplex DNA by synthetic ligand-enhanced protein nanopore analysis
Authors: Lyu Wenping , Zhu Jianji , Huang XiaoQin , Chinappi Mauro , Garoli Denis , Gui Cenglin , Yang Tao , Wang Jiahai 
Published: October 2024

Abstract
Mismatched base pairs in DNA are the basis of single-nucleotide polymorphism, one of the major issues in genetic diseases. However, the changes of physical and chemical properties of DNA caused by single-site mismatches are often influenced by the sequence and the structural flexibility of the whole duplex, resulting in a challenge of direct detection of the types and location of mismatches sensitively. In this work, we proposed a synthetic ligand-enhanced protein nanopore analysis of GG mismatch on DNA fragment, inspired by in silico investigation of the specific binding of naphthyridine dimer (ND) on GG mismatch. We demonstrated that both the importing and unzipping processes of the ligand-bound DNA duplex can be efficiently slowed down in α-hemolysin nanopore. This ligand-binding induced slow-down effect of DNA in nanopore is also sensitive to the relative location of the mismatch on DNA duplex. Especially, the GG mismatch close to the end of a DNA fragment, which is hard to be detected by either routine nanopore analysis or tedious nanopore sequencing, can be well differentiated by our ND-enhanced nanopore experiment. These findings provide a promising strategy to localize and discriminate base mismatches in duplex form directly at the single-molecule level.
Molecular basis for the transcriptional regulation of an epoxide-based virulence circuit in Pseudomonas aeruginosa
Authors: He Susu , Taher Noor M , Simard Adam R , Hvorecny Kelli L , Ragusa Michael J , Bahl Christopher D , Hickman Alison B , Dyda Fred , Madden Dean R 
Published: October 2024

Abstract
The opportunistic pathogen Pseudomonas aeruginosa infects the airways of people with cystic fibrosis (CF) and produces a virulence factor Cif that is associated with worse outcomes. Cif is an epoxide hydrolase that reduces cell-surface abundance of the cystic fibrosis transmembrane conductance regulator (CFTR) and sabotages pro-resolving signals. Its expression is regulated by a divergently transcribed TetR family transcriptional repressor. CifR represents the first reported epoxide-sensing bacterial transcriptional regulator, but neither its interaction with cognate operator sequences nor the mechanism of activation has been investigated. Using biochemical and structural approaches, we uncovered the molecular mechanisms controlling this complex virulence operon. We present here the first molecular structures of CifR alone and in complex with operator DNA, resolved in a single crystal lattice. Significant conformational changes between these two structures suggest how CifR regulates the expression of the virulence gene cif. Interactions between the N-terminal extension of CifR with the DNA minor groove of the operator play a significant role in the operator recognition of CifR. We also determined that cysteine residue Cys107 is critical for epoxide sensing and DNA release. These results offer new insights into the stereochemical regulation of an epoxide-based virulence circuit in a critically important clinical pathogen.
SYNBIP 2.0: epitopes mapping, sequence expansion and scaffolds discovery for synthetic binding protein innovation
Authors: Li Yanlin , Li Fengcheng , Duan Zixin , Liu Ruihan , Jiao Wantong , Wu Haibo , Zhu Feng , Xue Weiwei 
Published: October 2024

Abstract
Synthetic binding proteins (SBPs) represent a pivotal class of artificially engineered proteins, meticulously crafted to exhibit targeted binding properties and specific functions. Here, the SYNBIP database, a comprehensive resource for SBPs, has been significantly updated. These enhancements include (i) featuring 3D structures of 899 SBP–target complexes to illustrate the binding epitopes of SBPs, (ii) using the structures of SBPs in the monomer or complex forms with target proteins, their sequence space has been expanded five times to 12 025 by integrating a structure-based protein generation framework and a protein property prediction tool, (iii) offering detailed information on 78 473 newly identified SBP-like scaffolds from the RCSB Protein Data Bank, and an additional 16 401 555 ones from the AlphaFold Protein Structure Database, and (iv) the database is regularly updated, incorporating 153 new SBPs. Furthermore, the structural models of all SBPs have been enhanced through the application of the AlphaFold2, with their clinical statuses concurrently refreshed. Additionally, the design methods employed for each SBP are now prominently featured in the database. In sum, SYNBIP 2.0 is designed to provide researchers with essential SBP data, facilitating their innovation in research, diagnosis and therapy. SYNBIP 2.0 is now freely accessible at https://idrblab.org/synbip/.
The pathogen-induced peptide CEP14 is perceived by the receptor-like kinase CEPR2 to promote systemic disease resistance in Arabidopsis
Authors: Wang Xiaoyang , Yu Wenlong , Yuan Qin , Chen Xinyu , He Yunxia , Zhou Jinggeng , Xun Qingqing , Wang Guodong , Li Jia , Meng Xiangzong 
Published: October 2024

Abstract
Secreted plant peptides that trigger cellular signaling are crucial for plant growth, development, and adaptive responses to environmental stresses. In Arabidopsis (Arabidopsis thaliana), the C-TERMINALLY ENCODED PEPTIDE (CEP) family is a class of secreted signaling peptides that is phylogenetically divided into 2 groups: group I (CEP1–CEP12) and group II (CEP13–CEP15). Several group I CEP peptides regulate root architecture and nitrogen starvation responses, whereas the biological activity and roles of group II CEPs remain unknown. Here, we report that a group II CEP peptide, CEP14, functions as a pathogen-induced elicitor of Arabidopsis immunity. In response to infection by the bacterial pathogen Pseudomonas syringae, CEP14 expression was highly induced via the salicylic acid pathway in Arabidopsis leaves and roots. In the absence of a pathogen attack, treatment of Arabidopsis plants with synthetic CEP14 peptides was sufficient to trigger immune responses. Genetic and biochemical analyses demonstrated that the receptor-like kinase CEP RECEPTOR 2 (CEPR2) perceives CEP14 to trigger plant immunity. The SOMATIC EMBRYOGENESIS RECEPTOR KINASES (SERKs) BRASSINOSTEROID INSENSITIVE 1-ASSOCIATED RECEPTOR KINASE 1 (BAK1) and SERK4 also participated in CEP14 perception by forming CEP14-induced complexes with CEPR2. Overexpression of CEP14 largely enhanced Arabidopsis resistance to P. syringae, while CEP14 or CEPR2 mutation significantly attenuated Arabidopsis systemic resistance to P. syringae. Taken together, our data reveal that the pathogen-induced CEP14 peptide, which is perceived by the CEPR2-BAK1/SERK4 receptor complexes, acts as an endogenous elicitor to promote systemic disease resistance in Arabidopsis.