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Data-driven mapping-relationship mining between hardness and mechanical properties of dual-phase titanium alloys via random forest and statistical analysis

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Rare Metals 2024年第2期43卷 829-841页

作者： Hai-Chao Gong qun-Bo fan Hong-Mei Zhang Xing-Wang Cheng Wen-Qiang Xie Kai Chen Lin Yang Jun-Jie Zhang Bing-Qiang Wei Shun Xu School of Materials Science and Engineering Beijing Institute of TechnologyBeijing100081China National Key Laboratory of Science and Technology on Materials Under Shock and Impact Beijing100081China Beijing Institute of Technology Chongqing Innovation Center Chongqing401135China Department of Mechanical and Materials Engineering University of Nebraska-LincolnLincolnNE68588USA

In order to accelerate the research on the property optimization of titanium alloy based on high-throughput methods,it is necessary to reveal the relationship between hardness and other mechanical properties which is still *** this work,taking Ti20C alloy as research object,almost all the microstructure of dual-phase titanium alloys were covered by traversing over 100 heat treatment ***,massive experiments including microstructure characterization and performance test were conducted,obtaining 51,590 pieces of microstructure data and 3591 pieces of mechanical property ***,based on large-scale data-driven technology,the quantitative mapping relationship between hardness and other mechanical properties was deeply *** results of random forest models showed that the correlation between hardness(H)and Charpy impact energy(A_(k))(or elongation,A)was hardly dependent on the microstructure types,while the relationship between H and tensile strength(R_(m))(or yield strength,R_(p0.2))was highly dependent on microstructure ***,combined with statistical analysis,it was found that the relationship between H and Ak(or A)were negatively ***,the relationship between H and strength was positively linear for equiaxed microstructure,and strength was linked to d^(−1/2)(d,equivalent circle diameter)ofα-grains in the form of classical Hall–Petch formula;but for other microstructures,the relationships were ***,the above rules were nearly the same in the rolling direction and transverse ***,a"four-quadrant partition map"between H and R_(p0.2)/R_(m) was established as a versatile material-screening tool,which can provide guidance for on-demand selection of titanium alloys.

关键词： Dual-phase titanium alloy Data-driven Hardness Mapping relationship

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Microwave shock motivating the Sr substitution of 2D porous GdFeO_(3) perovskite for highly active oxygen evolution

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Journal of Energy Chemistry 2024年第1期88卷 232-241,I0006页

作者： Jinglin xian Huiyu Jiang Zhiao Wu Huimin Yu Kaisi Liu Miao fan Rong Hu Guangyu fang Liyun Wei Jingyan Cai Weilin Xu Huanyu Jin Jun Wan State Key Laboratory of New Textile Materials and Advanced Processing Technologies Hubei Key Laboratory of Biomass Fibers and Eco-Dyeing&FinishingWuhan Textile UniversityWuhan 430200HubeiChina Future Industries Institute STEMUniversity of South AustraliaAdelaideSA 5095Australia Institute for Sustainability Energy and ResourcesThe University of AdelaideAdelaideSA 5005Australia

The incorporation of partial A-site substitution in perovskite oxides represents a promising strategy for precisely controlling the electronic configuration and enhancing its intrinsic catalytic *** methods for A-site substitution typically involve prolonged high-temperature *** these processes promote the development of unique nanostructures with highly exposed active sites,they often result in the uncontrolled configuration of introduced ***,we present a novel approach for synthesizing two-dimensional(2D)porous GdFeO_(3) perovskite with A-site strontium(Sr)substitution utilizing microwave shock *** technique enables precise control of the Sr content and simultaneous construction of 2D porous structures in one step,capitalizing on the advantages of rapid heating and cooling(temperature~1100 K,rate~70 K s^(-1)).The active sites of this oxygen-rich defect structure can be clearly revealed through the simulation of the electronic configuration and the comprehensive analysis of the crystal *** electrocatalytic oxygen evolution reaction application,the synthesized 2D porous Gd_(0.8)Sr_(0.2)FeO_(3) electrocatalyst exhibits an exceptional overpotential of 294 mV at a current density of 10 mA cm^(-2)and a small Tafel slope of 55.85 mV dec^(-1)in alkaline *** study offers a fresh perspective on designing crystal configurations and the construction of nanostructures in perovskite.

关键词： 2D materials Perovskite Microwave Electrocatalysis Oxygen evolution reaction

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Multiorgan dysfunction syndrome due to high-dose cantharidin poisoning:A case report

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World Journal of Clinical Cases 2024年第12期12卷 2074-2078页

作者： Wan-Ling Xu Wen-Jing Tang Wei-Ying Yang Li-Chao Sun Ze-qun Zhang Wei Li Xiu-xian Zang Department of Emergency Medicine First Hospital of Jilin UniversityChangchun 130021Jilin ProvinceChina Department of Chinese Traditional Medicine First Hospital of Jilin UniversityChangchun 130021Jilin ProvinceChina

BACKGROUND This report delves into the diagnostic and therapeutic journey undertaken by a patient with high-dose cantharidin poisoning and multiorgan dysfunction syndrome(MODS).Particular emphasis is placed on the comprehensive elucidation of the clinical manifestations of high-dose cantharidin poisoning,the intricate path to diagnosis,and the exploration of potential underlying *** SUMMARY A patient taking 10 g of cantharidin powder orally subsequently developed *** patient was treated with supportive care,fluid hydration and antibiotics,and hemoperfusion and hemofiltration therapy for 24 h and successfully recovered 8 d after hospital *** poisoning can cause lifethreatening MODS and is rare *** case underscores the challenge in diagnosis and highlights the need for early clinical differentiation to facilitate accurate assessment and prompt *** This article has reported and analyzed the clinical data,diagnosis,treatment,and prognosis of a case of high-dose cantharidin poisoning resulting in MODS and reviewed the relevant literature to improve the clinical understanding of this rare condition.

关键词： Cantharidin Poisoning Multiorgan dysfunction syndrome Clinical treatment and management Case report

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Yiwei Xiaoyu granules for treatment of chronic atrophic gastritis with deficiency syndrome of the spleen and stomach

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World Journal of Clinical Cases 2024年第13期12卷 2201-2209页

作者： Wan-qun Chen Qing-Feng fan Yuan-Jun He Fei Li Xin Wu Yan-Ping Li Xiao-Jun Yang Department of Gastroenterology Chongqing Hospital of Traditional Chinese MedicineChongqing 400000China

BACKGROUND The Correa sequence,initiated by Helicobacter pylori(***),commonly progresses to gastric cancer through the stage of chronic atrophic gastritis(CAG).Although eradication of *** only reduces the risk of gastric cancer,it does not eliminate the risk for neoplastic *** Xiaoyu granules(YWXY)are a commonly used composite preparation in Chinese ***,the pursuit of excellence in clinical trials and the establishment of standardized animal experiments are still needed to contribute to full understanding and application of traditional Chinese medicine in the treatment of *** To demonstrate the effectiveness of YWXY in patients with CAG and spleenstomach deficiency syndrome(DSSS),by alleviating histological scores,improving response rates for pathological lesions,and achieving clinical efficacy in relieving DSSS *** We designed a double-blind,randomized,controlled *** study enrolled seventy-two ***-negative patients(mean age,52.3 years;38 men)who were randomly allocated to either the treatment group or control group in a 1:1 ratio,and treated with 15 g YWXY or 0.36 g Weifuchun(WFC)tablet combined with the respective dummy for 24 *** pre-randomization phase resulted in the exclusion of 72 patients:50 participants did not meet the inclusion criteria,12 participants declined to participate,and 10 participants were excluded for various other *** visits were conducted during the study,and histopathological examination with target endoscopic biopsy of narrow-band imaging was requested before the first and seventh *** also evaluated endoscopic performance scores,total symptom scores,serum pepsinogen and *** Six patients did not complete the trial *** with YWXY improved the Operative Link on Gastric Intestinal Metaplasia Assessment(OLGIM)stage,compared with WFC(P<0.05).YWXY provided better relief from symptoms of DSSS and better improvement in serum gastric fun

关键词： Chronic atrophic gastritis Yiwei Xiaoyu granules Randomized clinical trial Weifuchun tablet Traditional Chinese medicine Helicobacter pylori

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泪小管断裂修复手术效果的影响因素

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国际眼科杂志 2019年第6期19卷 1026-1030页

作者：刘星彤周吉超施沃栋范先群上海交通大学医学院附属第九人民医院眼科上海市眼眶病眼肿瘤重点实验室上海200011 北京大学第三医院眼科眼部神经损伤的重建保护与康复北京市重点实验室北京100191

目的:分析比较泪小管断裂的部位、受伤类型对泪小管吻合手术效果的影响。方法:回顾性分析2016-01/2017-08收治的外伤性泪小管断裂患者87例87眼,均行泪小管断裂吻合术,术中置入硅胶泪道引流管,记录术后第3、6mo时泪道冲洗结果评估手术效... 详细信息

目的:分析比较泪小管断裂的部位、受伤类型对泪小管吻合手术效果的影响。方法:回顾性分析2016-01/2017-08收治的外伤性泪小管断裂患者87例87眼,均行泪小管断裂吻合术,术中置入硅胶泪道引流管,记录术后第3、6mo时泪道冲洗结果评估手术效果,术后3mo拔除引流管。统计致伤类型、远端距和泪道冲洗成功率,分析致伤类型和远端距与成功率的关系。结果:泪小管断裂患者中,近端组29眼(33%),中间组41眼(47%),远端组17眼(20%)。切割伤致泪小管断裂22眼(25%),其中泪小管断裂位于近端组18眼、中间组2眼、远端组2眼;钝器击打伤或撞伤致泪小管断裂65眼(75%),其中损伤位于近端组11眼、中间组39眼、远端组15眼。术后6mo,72眼泪道冲洗通畅,其中近端组20眼,中间组36眼,远端组16眼,三组术后解剖复位成功率分别是69%、88%、94%(P=0.047);切割伤和钝击伤泪道冲洗通畅患者分别为19眼和53眼,解剖复位成功率分别是86%、82%(P=0.605)。结论:切割伤易造成靠近泪小点的泪小管断裂,钝击伤易造成靠近泪囊或位于泪囊与泪小点中间部位的泪小管断裂。损伤位置靠近泪总管或泪囊的患者术后成功率较高,而钝击伤致近泪小点的泪小管断裂术后较易发生泪道狭窄或阻塞。

关键词：泪小管断裂泪小管吻合术切割伤钝击伤

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Skyway:Accelerate Graph Applications with a Dual-Path Architecture and Fine-Grained Data Management

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Journal of Computer Science & Technology 2024年第4期39卷 871-894页

作者： Mo Zou Ming-Zhe Zhang Ru-Jia Wang xian-He Sun Xiao-Chun Ye Dong-Rui fan Zhi-Min Tang Institute of Computing Technology Chinese Academy of SciencesBeijing 100190China University of Chinese Academy of Sciences Beijing 100049China Institute of Information Engineering Chinese Academy of SciencesBeijing 100045China Department of Computer Science Illinois Institute of TechnologyChicagoIL 60616U.S.A.

Graph processing is a vital component of many AI and big data ***,due to its poor locality and complex data access patterns,graph processing is also a known performance killer of AI and big data *** this work,we propose to enhance graph processing applications by leveraging fine-grained memory access patterns with a dual-path architecture on top of existing software-based graph *** first identify that memory accesses to the offset,edge,and state array have distinct locality and impact on *** then introduce the Skyway architecture,which consists of two primary components:1)a dedicated direct data path between the core and memory to transfer state array elements efficiently,and 2)a data-type aware fine-grained memory-side row buffer hardware for both the newly designed direct data path and the regular memory hierarchy data *** proposed Skyway architecture is able to improve the overall performance by reducing the memory access interference and improving data access efficiency with a minimal *** evaluate Skyway on a set of diverse algorithms using large real-world *** a simulated fourcore system,Skyway improves the performance by 23%on average over the best-performing graph-specialized hardware optimizations.

关键词： graph application computer architecture memory hierarchy

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羟基磷灰石眶内植入术中Ⅰ期钻孔的效果

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国际眼科杂志 2005年第1期5卷 181-183页

作者：高云仙高晓唯赵勇任兵肖云范先群解放军第474医院全军眼科中心上海第二医科大学附属第九人民医院眼科中国上海市200011

目的:探讨Ⅰ期和Ⅱ期羟基磷灰石(hydroxyapatiteHA)眶内植入术中Ⅰ期钻孔的效果。方法:对73眼分3组行HA植入术Ⅰ期钻孔,其中①组:眼球摘除Ⅰ期HA植入20眼;②组:眼内容剜除Ⅰ期HA植入38眼;③组:Ⅱ期HA植入15眼。结果:随访3～9mo,所有患... 详细信息

目的:探讨Ⅰ期和Ⅱ期羟基磷灰石(hydroxyapatiteHA)眶内植入术中Ⅰ期钻孔的效果。方法:对73眼分3组行HA植入术Ⅰ期钻孔,其中①组:眼球摘除Ⅰ期HA植入20眼;②组:眼内容剜除Ⅰ期HA植入38眼;③组:Ⅱ期HA植入15眼。结果:随访3～9mo,所有患者无义眼座暴露,继发感染,钛钉脱出等并发症。①组:有5例(25%)钛钉偏斜。②组:所有患者在暴露钛钉时,无钛钉偏斜。③组:13眼(87%)出现钛钉偏斜。结论:羟基磷灰石眼座植入Ⅰ期钻孔用于HAⅠ期植入手术效果好,无明显增加并发症的发生机会,而HAⅡ期植入患者选择Ⅱ期钻孔。

关键词： HA 钛钉眶内植入术并发症术中患者羟基磷灰石结论效果内容

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Relationship between physical activity and specific working memory indicators of depressive symptoms in university students

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World Journal of Psychiatry 2024年第1期14卷 148-158页

作者： qun Zhao Xing Wang Shu-fan Li Peng Wang xiang Wang Xin Xin Suo-Wang Yin Zhao-Song Yin Li-Juan Mao School of Physical Education Shanghai University of SportShanghai 200438China Department of Physical Education Donghua UniversityShanghai 201620China

BACKGROUND The detection rate of depression among university students has been increasing in recent years,becoming one of the main psychological diseases that endangers their physical and mental *** to statistics,self-harm and suicide,for which there is no effective intervention,are the second leading causes of *** To explore the relationship between different elements and levels of physical activity and college students’depression-symptom-specific working memory *** Of 143 college students were analyzed using the Beck Depression Self-Rating Scale,the Physical Activity Rating Scale,and the Working Memory *** There was a significant difference between college students with depressive symptoms and healthy college students in completing verbal and spatial working memory(SWM)tasks correctly(all P0.05).CONCLUSION An increase in physical exercise among college students,particularly medium-and high-intensity exercise and exercise of 30 min or more,can improve the correct rate of completing working memory tasks.

关键词： Physical activity Depression symptoms University students Working memory

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Staging liver fibrosis with various diffusion-weighted magnetic resonance imaging models

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World Journal of Gastroenterology 2024年第9期30卷 1164-1176页

作者： Yan-Li Jiang Juan Li Peng-Fei Zhang Feng-xian fan Jie Zou Pin Yang Peng-Fei Wang Shao-Yu Wang Jing Zhang Department of Magnetic Resonance Imaging The Second Hospital&Clinical Medical SchoolLanzhou UniversityLanzhou 730030Gansu ProvinceChina Second Clinical School Lanzhou UniversityLanzhou 730030Gansu ProvinceChina Gansu Province Clinical Research Center for Functional and Molecular Imaging The Second Hospital&Clinical Medical SchoolLanzhou UniversityLanzhou 730030Gansu ProvinceChina Department of Hepatology The Second Hospital&Clinical Medical SchoolLanzhou UniversityLanzhou 730030Gansu ProvinceChina MR Scientific Marketing Siemens HealthineersXi’an 710065Shaanxi ProvinceChina

BACKGROUND Diffusion-weighted imaging(DWI)has been developed to stage liver ***,its diagnostic performance is inconsistent among ***,it is worth studying the diagnostic value of various diffusion models for liver fibrosis in one *** To evaluate the clinical potential of six diffusion-weighted models in liver fibrosis staging and compare their diagnostic *** This prospective study enrolled 59 patients suspected of liver disease and scheduled for liver biopsy and 17 healthy *** participants underwent multi-b value *** main DWI-derived parameters included Mono-apparent diffusion coefficient(ADC)from mono-exponential DWI,intravoxel incoherent motion model-derived true diffusion coefficient(IVIM-D),diffusion kurtosis imaging-derived apparent diffusivity(DKI-MD),stretched exponential model-derived distributed diffusion coefficient(SEM-DDC),fractional order calculus(FROC)model-derived diffusion coefficient(FROC-D)and FROC model-derived microstructural quantity(FROC-μ),and continuous-time random-walk(CTRW)model-derived anomalous diffusion coefficient(CTRW-D)and CTRW model-derived temporal diffusion heterogeneity index(CTRW-α).The correlations between DWI-derived parameters and fibrosis stages and the parameters’diagnostic efficacy in detecting significant fibrosis(SF)were assessed and *** CTRW-D(r=-0.356),CTRW-α(r=-0.297),DKI-MD(r=-0.297),FROC-D(r=-0.350),FROC-μ(r=-0.321),IVIM-D(r=-0.251),Mono-ADC(r=-0.362),and SEM-DDC(r=-0.263)were significantly correlated with fibrosis *** areas under the ROC curves(AUCs)of the combined index of the six models for distinguishing SF(0.697-0.747)were higher than each of the parameters alone(0.524-0.719).The DWI models’ability to detect SF was *** combined index of CTRW model parameters had the highest AUC(0.747).CONCLUSION The DWI models were similarly valuable in distinguishing SF in patients with liver *** combined index of CTRW paramet

关键词： Liver fibrosis Magnetic resonance imaging Diffusion-weighted magnetic resonance Liver biopsy Significant fibrosis

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The Epidemiological Characteristics of Mpox Cases-China,2023

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China CDC weekly 2024年第26期6卷 619-623页

作者： Ruiqi Ren Chao Li Wenqing Bai Yali Wang Dan Li fan Ding Niu Yan Qi Wang Nijuan xiang Lianmei Jin Lei Zhou Wenling Wang fan Lyu Peilong Li Dapeng Zhang Yan Li Quanyi Wang qun Li Guoqing Shi National Key Laboratory of Intelligent Tracking and Forecasting for Infectious Diseases Chinese Center for Disease Control and PreventionBeijingChina Chinese Center for Disease Control and Prevention BeijingChina National Institute for Viral Disease Control and Prevention Chinese Center for Disease Control and PreventionBeijingChina National Center for AIDS/STD Control and Prevention Chinese Center for Disease Control and PreventionBeijingChina Guangdong Provincial Center for Disease Control and Prevention Guangzhou CityGuangdong ProvinceChina Beijing Municipal Center for Disease Prevention and Control BeijingChina

Summary What is already known about this topic?Since May 2022,a global outbreak of mpox has emerged in more than 100 non-endemic *** of December 2023,over 90,000 cases had been *** outbreak has predominantly affected men who have sex with men(MSM),with sexual contact identified as the principal mode of *** is added by this report?Since June 2023,China has faced an occurrence of mpox,predominantly affecting the MSM *** 90%of those affected reported engaging in homosexual behavior within 21 days prior to symptom onset,a trend that aligns with the global outbreak *** prompt identification of cases,diligent tracing of close contacts,and the implementation of appropriate management strategies have successfully mitigated the spread of mpox virus in *** are the implications for public health practice?We propose that mpox is transmitted locally within *** from our experiences in controlling the virus spread,it is crucial to investigate and formulate effective surveillance and educational ***,we must encourage high-risk populations to promptly seek medical care upon the onset of symptoms.

关键词： prompt Drawing spread

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