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Chinese Journal of Traumatology 2024年第5期27卷 288-294页

作者： Hui Li tao ai Guang-Bin Huang Jun Yang Gong-Bin Wei Jin-Mou Gao Ping He Xue-Mei Cao Ding-Yuan Du Department of Trauma Surgery Chongqing University Central HospitalChongqing Emergency Medical CenterChongqing400014China

Purpose:Internal iliac artery ligation(IIAL)has been used as a damage control procedure to treat hemodynamically unstable pelvic fracture for many ***,there is ongoing debate regarding the effectiveness and safety of this hemostatic ***,we performed a systematic literature review to assess the efficacy and safety of IIAL for pelvic fracture ***:Three major databases,PubMed,Embase,and Google Scholar,were searched to screen eligible original studies published in English *** reviewers independently read the titles,abstracts,and full texts of all *** were included if they reported the use and effects of ***:A total of 171 articles were initially identified,with 22 fully meeting the inclusion *** the analyzed cases,up to 66.7%of patients had associated abdominal and pelvic organ injuries,with the urethra being the most frequently injured organ,followed by the *** outcomes of IIAL for achieving hemostasis in pelvic fractures were found to be satisfactory,with an effective rate of 80%.Hemorrhagic shock was the leading cause of death,followed by craniocerebral ***,no reports of ischemic complications involving the pelvic organs due to IIAL were ***:IIAL has a good effect in treating hemodynamically unstable pelvic fracture without the risk of pelvic organ *** procedure should be considered a priority for hemodynamically unstable pelvic fracture patients with abdominal organ injuries.

关键词： Internal iliac artery Ligation Embolization Pelvic fracture Laparotomy

医院多重耐药菌的消毒剂抗性研究进展及其消毒隔离防控

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中国卫生标准管理 2024年第3期15卷 151-155页

作者：陶春爱广西壮族自治区疾病预防控制中心消杀与媒介防制所广西南宁530028

医院感染的病原体中多重耐药菌已逐渐成为医院感染的重要病原菌。多重耐药菌的感染不仅给患者带来痛苦和经济负担,增加医务人员的工作量和临床治疗的难度,还给医务人员及健康人群构成传播和感染风险,造成不良的社会影响。如何降低多重... 详细信息

医院感染的病原体中多重耐药菌已逐渐成为医院感染的重要病原菌。多重耐药菌的感染不仅给患者带来痛苦和经济负担,增加医务人员的工作量和临床治疗的难度,还给医务人员及健康人群构成传播和感染风险,造成不良的社会影响。如何降低多重耐药菌的传播和感染风险成为医院感染管理的一大难题。多重耐药菌的防控主要措施包括抗菌药物管理、环境清洁消毒和物品消毒灭菌、规范诊疗等内容,但近年来研究显示,多重耐药菌对常用消毒剂产生了抗性,增加了消毒的难度。文章通过对医院多重耐药菌对消毒剂的抗性研究新进展,及其消毒隔离防控措施进行综述,为医院多重耐药菌的消毒隔离防控措施制定提供借鉴。

关键词：多重耐药菌消毒剂抗性消毒隔离医院感染控制

Oxidation behavior of in-situ Al_2O_3/TiAl composites at 900°C in static air

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International Journal of Minerals,Metallurgy and Materials 2009年第3期16卷 339-344页

作者： tao-tao ai Fen Wang Xiao-ming Feng Department of Materials Science and Engineering Shaanxi University of Technology Hanzhong 723003 China School of Materials Science and Engineering Shaanxi University of Science and Technology Xi＇an 710021 China

In-situ Al2O3/TiAl composites were successfully synthesized from the starting powders of Ti, Al, TiO2 and Nb2O5. The oxidation behavior of the composites at 900℃ in static air was investigated. The results indicate that the composite samples present a much lower oxidation mass gain. Under long-time intensive oxidation exposure, the formed oxide scale is multi-layer. The formation of the outer TiO2 layer is fine and dense, the internal Al2O3 scale has good adhesiveness with the outer TiO2 scale, and the TiO2＋Al2O3 mixed layer forming the protective oxide scale is favorable for the improvement of oxidation resistance. It is believed that the incorporation of Al2O3 particulates into the metal matrix decreases the coefficient of thermal expansion of the substrate, and forms a local three-dimensional network structure that can hold the oxide scale. The formation of the oxide scale with finer particle size, stronger adherence, less micro-defects and slower growth rate can contribute to the improvement of oxidation resistance. Nb element plays an important role in reducing the internal oxidation action of the materials, restraining the growth of TiO2 crystals and promoting the stable formation of the Al2O3-riched layer, which is beneficial to improve the oxidation properties.

关键词： intermetallic matrix composites alumina oxidation resistance scale spallation high temperature

基于六水氯化钙的单相变材料热二极管的实验研究

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物理学报 2024年第5期73卷 334-343页

作者：杨旭李静毛宇陶可爱孙宽陈珊珊周永利郑玉杰重庆大学低品位能源利用技术及系统教育部重点实验室重庆400044 重庆大学能源与动力工程学院重庆400044

基于相反传热方向上相变程度不同引起的传热形式和系数差异设计的相变材料热二极管被认为是有潜力的热管理器件.然而多种材料的使用或仅依靠数值模拟的研究使其结构复杂或理想化,降低了其实际应用的可能性.因此,本文结合材料固液相变和... 详细信息

基于相反传热方向上相变程度不同引起的传热形式和系数差异设计的相变材料热二极管被认为是有潜力的热管理器件.然而多种材料的使用或仅依靠数值模拟的研究使其结构复杂或理想化,降低了其实际应用的可能性.因此,本文结合材料固液相变和自然对流过程的传热形式和传热系数变化,提出了一个仅含有CaCl_(2)·6H_(2)O单相变材料的简单热二极管结构,并制备了相应的器件,搭建了稳态热通量测试系统用于实验研究,其测量结果与文献记载值相近,具有良好的准确度,实验研究了冷热端温差和正反传热方向对热二极管热整流效果的影响规律.结果表明:热二极管的热通量随冷热源温差的减小而降低,正向和反向分别沿逆重力和重力方向时,热整流比最高可达1.58,最佳冷源温度范围为20-25℃,接近室温,所提出的相变材料热二极管结构在建筑节能和热管理等方面具有一定的应用潜力.

关键词：相变材料热二极管传热形式传热系数

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Plastic bronchitis associated with Botrytis cinerea infection in a child:A case report

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World Journal of Clinical Cases 2020年第20期8卷 5019-5024页

作者： Yan-Ru Liu tao ai Department of Pediatric Respiratory Medicine Chengdu Women’s and Children’s Central HospitalSchool of MedicineUniversity of Electronic Science and Technology of ChinaChengdu 611731Sichuan ProvinceChina

BACKGROUND Plastic bronchitis(PB)frequently occurs in children after the surgical repair of congenital cardiac defects or in the presence of inflammatory or allergic diseases of the *** epidemiological data of this condition are still *** SUMMARY A 5-year-old boy,with a clear medical history,presented to our hospital with persistent cough and pneumonia with segmental atelectasis on chest computerized *** showed no significant improvement after 1 wk of amoxicillin-clavulanate potassium *** casts were extracted using flexible *** examination of the dendritic cast confirmed the diagnosis of type I *** cinerea was detected by next-generation sequencing of the bronchoalveolar lavage *** the removal of the airway obstruction and fluconazole treatment,the patient recovered and was discharged 14 d after admission without the recurrence of *** Botrytis cinerea pneumonia should be considered in children with PB who still have prolonged cough and atelectasis after a regular course of antibiotic *** bronchoscopy and etiological examination should be performed in a timely manner to determine the diagnosis,clear the airway obstruction,and target etiological treatment.

关键词： Bronchial casts Botrytis cinerea Pneumonia Children Case report

Mass transfer area in a multi-stage high-speed disperser with split packing

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Chinese Journal of Chemical Engineering 2019年第4期27卷 772-780页

作者： tao ai Aslam M.Mudassar Ziqi Cai Zhengming Gao State Key Laboratory of Chemical Resource Engineering School of Chemical Engineering Beijing University of Chemical Technology Beijing 100029 China Beijing Advanced Innovation Center for Soft Matter Science and Engineering Beijing University of Chemical Technology Beijing 100029 China

In this study, the mean droplet diameter in the cavity zone and the total mass transfer area of a multi-stage highspeed disperser(HSD) reactor with different packing combinations were measured and evaluated. The effects of rotational speed and packing radius, as well as the packing ring radius and numbers, on the mean droplet diameter and the total mass transfer area were evaluated. A model was established to calculate the mass transfer area in the cavity zone in the HSD reactor, and it was found that the packings contribute 61%–82% of the total mass transfer area. A correlation for predicting the mass transfer area in the packing zone was regressed by the dimensionless analysis method. An enhancement factor based on the mass transfer area in the packing zone was proposed to evaluate the effect of packing combination on mass transfer area. Two optimum packing combinations were proposed in consideration of the mean droplet diameter and the enhancement factor.

关键词： High-speed disperser Mean droplet diameter Mass transfer area Split packing

Review on the Progress and Issues in Liquid Tank Sloshing of Ships

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China Ocean Engineering 2023年第5期37卷 709-724页

作者： ZHANG Zhen tao ai-feng WU Qiao-rui XIE Yong-he Key Laboratory of Ministry of Education for Coastal Disaster and Protection Hohai UniversityNanjing 210098China College of Harbor Coastal and Offshore EngineeringHohai UniversityNanjing 210098China College of Naval Architecture and Maritime Zhejiang Ocean UniversityZhoushan 316022China

With the development of large liquid cargo ships,liquid tank sloshing has gradually become a hot research topic in the area of shipping and ocean *** tank sloshing,characterized by strong nonlinearity and randomness,not only affects the stability of the ship but also generates a huge impact force on the wall of the *** further investigate liquid tank sloshing,a comprehensive review is given on the research process of the most focused subjects of liquid *** the existing research will help to identify issues in the current field and provide useful *** methods for investigating sloshing,the research progress and the situations worldwide are *** advantages and defects of experiments and numerical simulations are also *** problems which need to be explored in the future are subsequently proposed.

关键词： naval architecture and marine engineering liquid tank sloshing liquid cargo ship large deformation progress review

通过添加微量Mn元素激活非基面滑移提高镁合金塑性

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Transactions of Nonferrous Metals Society of China 2024年第2期34卷 504-518页

作者：周世博刘婷婷汤爱涛时慧敬学锐彭鹏章建跃潘复生重庆大学材料科学与工程学院重庆400044 Institute of Metallic Biomaterials Helmholtz-Zentrum HereonMax-Planck-Straße 1D-21502GeesthachtGermany 西南大学材料与能源学院重庆400715 重庆大学镁合金国家工程研究中心重庆400044 重庆科技学院冶金和材料工程学院重庆401331 Department of Materials Science and Engineering The Ohio State UniversityColumbusOH 43210USA

分析微量锰添加对镁合金显微组织和力学性能的影响。采用电子背散射技术、迹线分析、透射电镜和粘塑性自洽模拟等方法研究变形过程中的塑性变形机理。结果表明:Mn的加入使Mg−Mn合金的平均晶粒尺寸由28.30μm减小到5.10μm;同时,随着Mn... 详细信息

分析微量锰添加对镁合金显微组织和力学性能的影响。采用电子背散射技术、迹线分析、透射电镜和粘塑性自洽模拟等方法研究变形过程中的塑性变形机理。结果表明:Mn的加入使Mg−Mn合金的平均晶粒尺寸由28.30μm减小到5.10μm;同时,随着Mn含量的增加,样品的断裂伸长率由14.33%提高到20.33%,屈服强度则由84 MPa提高到180 MPa。这种同时提高塑性和强度的原因是基面滑移和非基面滑移之间的临界剪切应力差从173 MPa减小到115 MPa,导致非基面滑移活动明显增加。通过微合金元素调整滑移系统差异为开发具有高强度和延展性的镁合金提供了一种途径。

关键词：镁合金显微组织演变力学性能塑性变形机理

Pseudomyxoma peritonei of 92 Chinese patients:Clinical characteristics,pathological classification and prognostic factors

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World Journal of Gastroenterology 2012年第24期18卷 3081-3088页

作者： ai-tao Guo Yan-Mi Li Li-Xin Wei Department of Pathology the Gen- eral Hospital of the People's Liberation Army Beijing 100853 China Department of Sonography the General Hospital ot the People's Liberation Army Beijing 100853 China

aiM:To assess the clinicopathologic features and its relationship with prognosis of pseudomyxoma peritonei(PMP) in Chinese ***:The clinicopathologic features and followup data of 92 patients with PMP were reviewed and retrospectively *** cases were categorized into three groups:disseminated peritoneal adenomucinosis(DPAM),peritoneal mucinous carcinomatosis(PMCA),and peritoneal mucinous carcinomatosis with intermediate or discordant features(PMCA-I/D).The log-rank test was used to analyze survival for each group and various clinicopathological *** Cox proportional-hazard models were constructed to determine the important factors associated with ***:The median age at diagnosis was 51.9 years(range:22-76 years).The median follow up was 124 *** 3-,5-and 10-year survival rates were 74.0%,67.4% and 49.1%,*** were 49(53.2%)patients with DPAM,26(28.3%) with PMCA-I and 17(18.5%) with *** with DPAM,PMCA-I/D and PMCA exhibited statistically significant difference in survival(P = 0.001).The 3 year survival for DPAM,PMCai/D and PMCA was 97.0%,80.0% and 67.0%,respectively;the 5 year survival was 80.0%,67.0% and 50.0%,respectively;and the 10 year survival was 65.0%,28.0% and 14.0%,*** rate was significantly lowest in patients < 40 age years of age(P = 0.011).Appendiceal tumor and extra-ovarian parenchymal organ involvement were significantly related to overall *** with appendiceal mucinous adenocarcinoma(MACA) showed the significantly poorer prognosis(P = 0.011).Multivariate analysis showed that pathological classification,age,appendiceal tumor were significant related to overall ***:The clinical process "PMP" should be pathologically classified into DPAM,PMCA and PMCA-I/*** classification,age,appendiceal MACA are survival independent predictors in Chinese patients with PMP.

关键词： Pseudomyxoma peritonei Pathologic Clini-cal Classification Prognosis

Metastable magnetic behavior in La_(0.9)Tb_(0.1)MnO_3

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Rare Metals 2017年第7期36卷 596-600页

作者： Wei-Bin Liu Ying-Tang Zhang Zi-Yu Chen Li-Zhu Liu Sheng-tao Li tao-tao ai Department of Physics Beijing University of Aeronautics and Astronautics School of Material Science and Engineering Institute of Functional MaterialShaanxi University of Technology Key Laboratory of Engineering Dielectrics and Its Application Ministry of EducationHarbin University of Science and Technology State Key Laboratory of Electrical Insulation and Power Equipment Xi'an Jiaotong University

The linear and nonlinear magnetizations of La0.9Tb0.1MnO3 at low temperatures were reported in de- tail. The temperature dependence of magnetization shows peaks at 50, 100 and 150 K, respectively. When LaMnO3 is Tb-doped, its magnetic structure exhibits a canted an- tiparallel spin order. This is different from classical antiferromagnetic （AFM） in which the relaxation behavior takes place at about 150 K. At 50 K, Tb-doped LaMnO3 exhibits canonical spin glass behavior, arising from the competition of exchange and super-exchange between spins. The peak at 100 K shows neither spin glass behavior nor canted AFM behavior. Its peak value increases with frequency increasing, and the transition temperature of the peak shifts to higher temperatures with frequency increasing. The study of aging behavior at 100 K shows a periodical variable metastability, which is ascribed to the competition between ferromagnetic （FM）-, AFM- and sinusoidal-order interactions. This work should shed a light on understanding the complex magnetic structure of the perovskite oxides.

关键词： La0.9Tb0.1MnO3 Relaxation behavior Metastability