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  1. Article ; Online: Quantitative Prediction of Surface Hardness in Cr12MoV Steel and S136 Steel with Two Magnetic Barkhausen Noise Feature Extraction Methods.

    Wang, Xianxian / Cai, Yanchao / Liu, Xiucheng / He, Cunfu

    Sensors (Basel, Switzerland)

    2024  Volume 24, Issue 7

    Abstract: The correlation between magnetic Barkhausen noise (MBN) features and the surface hardness of two types of die steels (Cr12MoV steel and S136 steel in Chinese standards) was investigated in this study. Back-propagation neural network (BP-NN) models were ... ...

    Abstract The correlation between magnetic Barkhausen noise (MBN) features and the surface hardness of two types of die steels (Cr12MoV steel and S136 steel in Chinese standards) was investigated in this study. Back-propagation neural network (BP-NN) models were established with MBN magnetic features extracted by different methods as the input nodes to realize the quantitative prediction of surface hardness. The accuracy of the BP-NN model largely depended on the quality of the input features. In the extraction process of magnetic features, simplifying parameter settings and reducing manual intervention could significantly improve the stability of magnetic features. In this study, we proposed a method similar to the magnetic Barkhausen noise hysteresis loop (MBNHL) and extracted features. Compared with traditional MBN feature extraction methods, this method simplifies the steps of parameter setting in the feature extraction process and improves the stability of the features. Finally, a BP-NN model of surface hardness was established and compared with the traditional MBN feature extraction methods. The proposed MBNHL method achieved the advantages of simple parameter setting, less manual intervention, and stability of the extracted parameters at the cost of small accuracy reduction.
    Language English
    Publishing date 2024-03-23
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2052857-7
    ISSN 1424-8220 ; 1424-8220
    ISSN (online) 1424-8220
    ISSN 1424-8220
    DOI 10.3390/s24072051
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: Laparoscopic triple-ureteral ureteroureterostomy in a patient with ureteral triplication: A case report.

    Liu, Saisai / Lu, Rugang / Guo, Yunfei / Xiucheng, Gao

    Medicine

    2022  Volume 101, Issue 44, Page(s) e31580

    Abstract: Rationale: Ureteral triplication (UT) is a very rare disorder, with a challenging diagnosis and varied therapeutic methods. In the past, the treatment usually involved heminephrureterectomy of the stunted moiety. Here, we reported a case of complete UT ... ...

    Abstract Rationale: Ureteral triplication (UT) is a very rare disorder, with a challenging diagnosis and varied therapeutic methods. In the past, the treatment usually involved heminephrureterectomy of the stunted moiety. Here, we reported a case of complete UT that was treated by laparoscopic triple-ureteral ureteroureterostomy (UU).
    Patient concerns: A 2-year-old girl presented with frequent urine incontinence. Intravenous pyelography and voiding cystourethrography revealed a 3-segment left kidney with pelvi-ureteric dilation of the upper and middle moieties and grade IV to V vesicoureteral reflux. Laparoscopic triple-UU was successfully performed in the child, after which vesicoureteral reflux and urinary incontinence disappeared completely, hydronephrosis was improved, and hemirenal resection was avoided.
    Diagnosis: Based on the imageological examination results, the final diagnosis of the 2-year-old girl was as follows: left 3 renal pelvis with complete ureteral duplication, combined with upper and middle hydronephrosis, and upper and middle vesicoureteral reflux grade IV to V.
    Intervention: Laparoscopic triple-ureteral ureteroureterostomy was performed under general anesthesia.
    Outcomes: The patient recovered smoothly without complications after surgery. At 6 months follow-up, ultrasonography of the urinary system showed that hydronephrosis of the dilated kidney segment was attenuated.
    Lessons: Laparoscopic triple-ureteral UU was successful in our patient. For children with duplex kidney and multiple ureteral duplications, minimally invasive urinary tract reconstruction can be a suitable intervention.
    MeSH term(s) Child ; Female ; Humans ; Child, Preschool ; Vesico-Ureteral Reflux/surgery ; Vesico-Ureteral Reflux/etiology ; Retrospective Studies ; Ureter/surgery ; Ureteral Obstruction/etiology ; Kidney Pelvis ; Hydronephrosis/surgery ; Laparoscopy/methods ; Urinary Incontinence/surgery ; Gastrointestinal Diseases/complications
    Language English
    Publishing date 2022-11-03
    Publishing country United States
    Document type Case Reports ; Journal Article
    ZDB-ID 80184-7
    ISSN 1536-5964 ; 0025-7974
    ISSN (online) 1536-5964
    ISSN 0025-7974
    DOI 10.1097/MD.0000000000031580
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Ua VI Zs.171: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 2021: Bestellungen von Artikeln über das Online-Bestellformular
    ab Jg. 2022: Lesesaal (EG)

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  3. Article ; Online: High-speed multiparametric imaging through off-resonance tapping AFM with active probe.

    Li, Peng / Shao, Yongjian / Xu, Ke / Liu, Xiucheng

    Ultramicroscopy

    2023  Volume 248, Page(s) 113712

    Abstract: Off-resonance tapping (ORT) mode of atomic force microscopy (AFM), based on force-distance curve, is widely concerned due to its advantages of weak tip-sample interaction and concurrent quantitative property mapping. However, the ORT-AFM still has the ... ...

    Abstract Off-resonance tapping (ORT) mode of atomic force microscopy (AFM), based on force-distance curve, is widely concerned due to its advantages of weak tip-sample interaction and concurrent quantitative property mapping. However, the ORT-AFM still has the disadvantage of slow scan speed caused by low modulation frequency. In this paper, we overcome this disadvantage by introducing active probe method. With active probe, the cantilever was directly actuated with the induced strain after applying voltage in the piezoceramic film. In this way, the modulation frequency could be increased to more than an order of magnitude faster than that of traditional ORT, thus improving the scan rate. We demonstrated high-speed multiparametric imaging with the active probe method in ORT-AFM.
    Language English
    Publishing date 2023-03-04
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 1479043-9
    ISSN 1879-2723 ; 0304-3991
    ISSN (online) 1879-2723
    ISSN 0304-3991
    DOI 10.1016/j.ultramic.2023.113712
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  4. Article ; Online: Butyrate affects bacterial virulence: a new perspective on preventing enteric bacterial pathogen invasion.

    Liu, Xiucheng / Tang, Hao / Huang, Xinxiang / Xu, Min

    Future microbiology

    2023  Volume 19, Page(s) 73–84

    Abstract: Enteric bacterial pathogens are a major threat to intestinal health. With the widespread use of antibiotics, bacterial resistance has become a problem, and there is an urgent need for a new treatment to reduce dependence on antibiotics. Butyrate can ... ...

    Abstract Enteric bacterial pathogens are a major threat to intestinal health. With the widespread use of antibiotics, bacterial resistance has become a problem, and there is an urgent need for a new treatment to reduce dependence on antibiotics. Butyrate can control enteric bacterial pathogens by regulating the expression of their virulence genes, promoting the posttranslational modification of their proteins, maintaining an anaerobic environment, regulating the host immune system and strengthening the intestinal mucosal barrier. Here, this review describes the mechanisms by which butyrate regulates the pathogenicity of enteric bacterial pathogens from various perspectives and discusses the prospects and limitations of butyrate as a new option for the control of pathogenic bacteria.
    MeSH term(s) Butyrates/pharmacology ; Butyrates/metabolism ; Virulence ; Intestines/microbiology ; Intestinal Mucosa/metabolism ; Enterobacteriaceae ; Anti-Bacterial Agents/therapeutic use
    Chemical Substances Butyrates ; Anti-Bacterial Agents
    Language English
    Publishing date 2023-12-12
    Publishing country England
    Document type Journal Article ; Review
    ZDB-ID 2254620-0
    ISSN 1746-0921 ; 1746-0913
    ISSN (online) 1746-0921
    ISSN 1746-0913
    DOI 10.2217/fmb-2023-0148
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article ; Online: Micromagnetic and Robust Evaluation of Surface Hardness in Cr12MoV Steel Considering Repeatability of the Instrument.

    Xing, Zhixiang / Wang, Xianxian / Ning, Mengshuai / He, Cunfu / Liu, Xiucheng

    Sensors (Basel, Switzerland)

    2023  Volume 23, Issue 3

    Abstract: The combination of multifunctional micromagnetic testing and neural network-based prediction models is a promising way of nondestructive and quantitative measurement of steel surface hardness. Current studies mainly focused on improving the prediction ... ...

    Abstract The combination of multifunctional micromagnetic testing and neural network-based prediction models is a promising way of nondestructive and quantitative measurement of steel surface hardness. Current studies mainly focused on improving the prediction accuracy of intelligent models, but the unavoidable and random uncertainties related to instruments were seldom explored. The robustness of the prediction model considering the repeatability of instruments was seldom discussed. In this work, a self-developed multifunctional micromagnetic instrument was employed to perform the repeatability test with Cr12MoV steel. The repeatability of the instrument in measuring multiple magnetic features under both static and dynamic conditions was evaluated. The magnetic features for establishing the prediction model were selected based on the consideration of both the repeatability of the instrument and the ability of magnetic features in surface hardness evaluation. To improve the robustness of the model in surface hardness prediction, a modelling strategy considering the repeatability of the instrument was proposed. Through removing partial magnetic features with higher mean impact values from input nodes, robust evaluation of surface hardness in Cr12MoV steel was realized with the multifunctional micromagnetic instrument.
    Language English
    Publishing date 2023-01-22
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2052857-7
    ISSN 1424-8220 ; 1424-8220
    ISSN (online) 1424-8220
    ISSN 1424-8220
    DOI 10.3390/s23031273
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article: Corrigendum: Exploring the Relationship Between Users' Psychological Contracts and Their Knowledge Contribution in Online Health Communities.

    Liu, Wenlong / Chen, Xinting / Lu, Xuanyu / Fan, Xiucheng

    Frontiers in psychology

    2021  Volume 12, Page(s) 716702

    Abstract: This corrects the article DOI: 10.3389/fpsyg.2021.612030.]. ...

    Abstract [This corrects the article DOI: 10.3389/fpsyg.2021.612030.].
    Language English
    Publishing date 2021-06-30
    Publishing country Switzerland
    Document type Published Erratum
    ZDB-ID 2563826-9
    ISSN 1664-1078
    ISSN 1664-1078
    DOI 10.3389/fpsyg.2021.716702
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  7. Article ; Online: Evaluation of the Rock Mechanical Properties of Shale Oil Reservoirs

    Jian Xiong / Renzhong Gan / Xiangjun Liu / Lixi Liang / Xiucheng Guo

    Applied Sciences, Vol 13, Iss 23, p

    A Case Study of Permian Lucaogou Formation in the Jimusar Sag, Junggar Basin

    2023  Volume 12851

    Abstract: Rock mechanical properties play an important role in the exploration and development of shale oil reservoirs. To study the rock mechanical properties continuously distributed along the longitudinal direction of the formation, physical and mechanical ... ...

    Abstract Rock mechanical properties play an important role in the exploration and development of shale oil reservoirs. To study the rock mechanical properties continuously distributed along the longitudinal direction of the formation, physical and mechanical property data of shales from the Permian Lucaogou Formation of the Junggar Basin were gathered through experimental tests. The regression analysis method was applied to obtain relationships between physical properties and rock mechanical properties. Based on this, new empirical relationships between rock mechanical properties were established. The results show that the uniaxial compressive strength ( UCS ) ranged from 48.40 to 147.86 MPa, the Young’s modulus ( E s ) was between 3.02 and 20.63 GPa, the Poisson’s ratio ( ν s ) ranged from 0.13 to 0.36, the cohesive force ( C ) ranged from 14.65 to 34.60 MPa, and the internal friction angle ( φ ) was between 27.61 and 46.94°. The rock mechanical properties were more sensitive to the P-wave interval transit time (Δt c ) and bulk density ( DEN ). Among them, the UCS was more sensitive to Δt c , while the C , E s , and ν s were more sensitive to Δt c / DEN . For UCS and E s , an exponential function correlation is more reliable than linear expression and power function, whereas for C and ν s , power function and linear expression were adopted for higher accuracy, respectively. Compared with the empirical equations presented in the literature, the empirical equations established in the paper are more accurate and reliable, making them applicable to the Permian Lucaogou Formation shale oil reservoirs in the Jimusar Sag of the Junggar Basin.
    Keywords Jimusar Sag ; Lucaogou Formation ; shale oil reservoir ; mechanical properties ; P-wave interval transit time ; density ; Technology ; T ; Engineering (General). Civil engineering (General) ; TA1-2040 ; Biology (General) ; QH301-705.5 ; Physics ; QC1-999 ; Chemistry ; QD1-999
    Subject code 670
    Language English
    Publishing date 2023-11-01T00:00:00Z
    Publisher MDPI AG
    Document type Article ; Online
    Database BASE - Bielefeld Academic Search Engine (life sciences selection)

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  8. Article ; Online: Ammonium and nitrate affect sexually different responses to salt stress in Populus cathayana.

    Liu, Miao / Zhao, Yang / Liu, Xiucheng / Korpelainen, Helena / Li, Chunyang

    Physiologia plantarum

    2022  Volume 174, Issue 1, Page(s) e13626

    Abstract: Nitrogen (N) fertilization is a promising approach to improve salt tolerance. However, it is poorly known how plant sex and inorganic N alter salt stress-induced ... ...

    Abstract Nitrogen (N) fertilization is a promising approach to improve salt tolerance. However, it is poorly known how plant sex and inorganic N alter salt stress-induced Na
    MeSH term(s) Ammonium Compounds/metabolism ; Nitrates/metabolism ; Plant Roots/metabolism ; Populus/genetics ; Salt Stress ; Salt Tolerance/physiology
    Chemical Substances Ammonium Compounds ; Nitrates
    Language English
    Publishing date 2022-01-13
    Publishing country Denmark
    Document type Journal Article
    ZDB-ID 2020837-6
    ISSN 1399-3054 ; 0031-9317
    ISSN (online) 1399-3054
    ISSN 0031-9317
    DOI 10.1111/ppl.13626
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: Does national air quality monitoring reduce local air pollution? The case of PM

    Liu, Guixian / Dong, Xiucheng / Kong, Zhaoyang / Dong, Kangyin

    Journal of environmental management

    2021  Volume 296, Page(s) 113232

    Abstract: Fine particulate matter ( ... ...

    Abstract Fine particulate matter (PM
    MeSH term(s) Air Pollutants/analysis ; Air Pollution/analysis ; Air Pollution/prevention & control ; China ; Cities ; Conservation of Natural Resources ; Environmental Monitoring ; Environmental Policy ; Local Government ; Particulate Matter/analysis
    Chemical Substances Air Pollutants ; Particulate Matter
    Language English
    Publishing date 2021-07-09
    Publishing country England
    Document type Journal Article
    ZDB-ID 184882-3
    ISSN 1095-8630 ; 0301-4797
    ISSN (online) 1095-8630
    ISSN 0301-4797
    DOI 10.1016/j.jenvman.2021.113232
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    In stock of ZB MED Bonn / Germany

    Z 7556: Show issues

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  10. Article ; Online: Medical Intelligent System and Orthopedic Clinical Nursing Based on Graph Partition Sampling Algorithm.

    Heng, Xiucheng / Chen, Yufei / Liu, Lihong

    Computational intelligence and neuroscience

    2022  Volume 2022, Page(s) 2764157

    Abstract: This study summarizes the process of graph partition sampling algorithm. Through studying, observing, and comparing many different types of graph partition sampling algorithms, this study represents the learning process sampling into three steps: ... ...

    Abstract This study summarizes the process of graph partition sampling algorithm. Through studying, observing, and comparing many different types of graph partition sampling algorithms, this study represents the learning process sampling into three steps: sampling process, aggregation process, and the calculation process of loss function. The medical intelligence system developed in this study must provide remote audio and video connections between patients, nurses, and doctors, and requires hardware, software, and network collaboration. The hardware includes a server that keeps the medical intelligence system running. The software includes the operating system and server application software that provide the basic functions of the system. The network platform provides network bandwidth and basic configuration to achieve effective connections between different parts. At the same time, the system also defines audio and video encoding and decoding standards. Orthopedic patients are often accompanied by varying degrees of activity limitation and low self-care ability, the particularity of these patients puts forward higher requirements for orthopedic clinical care management. Orthopedic clinical nursing path is a standardized nursing management method supported by evidence-based medicine. In order to meet the requirements of the system design, the goal of the system design is to use the latest computing and network communication technology to organically "connect" the nursing staff, the nursing staff, and the hospital, so that the nursing staff can enjoy the personalized guidance specially made by the doctor at any time.
    MeSH term(s) Algorithms ; Humans ; Intelligence ; Software
    Language English
    Publishing date 2022-06-14
    Publishing country United States
    Document type Journal Article
    ZDB-ID 2388208-6
    ISSN 1687-5273 ; 1687-5273
    ISSN (online) 1687-5273
    ISSN 1687-5273
    DOI 10.1155/2022/2764157
    Database MEDical Literature Analysis and Retrieval System OnLINE

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