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以腹泻为首发表现的C群沙门菌侵袭性肝脓肿1例及文献复习

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海峡药学 2024年第5期36卷 72-76页

作者：胡爱玲于小杰王晓俊杜雅丽王娜秦皇岛市第一医院药学部河北秦皇岛066000 秦皇岛市工人医院药学部河北秦皇岛066000

目的探讨C群沙门菌侵袭性肝脓肿的临床特点与诊断、治疗要点。方法回顾性分析1例以腹泻为首发表现的C群沙门菌侵袭性肝脓肿患者的临床资料,并对相关文献进行复习。结果本例患者,男,52岁,急性起病无明确诱因出现腹泻,伴发热。便培养、引... 详细信息

目的探讨C群沙门菌侵袭性肝脓肿的临床特点与诊断、治疗要点。方法回顾性分析1例以腹泻为首发表现的C群沙门菌侵袭性肝脓肿患者的临床资料,并对相关文献进行复习。结果本例患者,男,52岁,急性起病无明确诱因出现腹泻,伴发热。便培养、引流液培养、血培养均为C群沙门菌。确诊为侵袭性肝脓肿。经皮肝穿引流后联合美罗培南抗感染治疗后体温恢复正常,炎症指标较前明显下降。结论侵袭性C群沙门菌肝脓肿临床较为少见,因以腹泻为首发表现容易误诊、延误治疗时机,规范治疗后可获得良好效果。

关键词： C群沙门菌肝脓肿抗感染治疗

Establishment,simulation and verification of firepower safety control model

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Defence Technology（防务技术） 2022年第10期18卷 1922-1934页

作者： Ling-jun Hao yu-jie xiao Bing Fu xiao-dong Gu Yi Chen Chong-xiang Yang Hai-wen Sun Rong Luo Yi He Naval University of Engineering WuhanHubei430033China Naval Research Academy Beijing100161China Nanjing University of Science and Technology NanjingJiangsu210094China

On a narrow warship platform,the coordinated use of shipborne weapon systems may cause firepower conflicts,which seriously endangers the ship ***,with directed-energy weapons mounted on ships,firepower conflicts between weapons become a“high probability event”.Aiming at the problem of firepower safety control,based on the research about the collision probability model of air crafts and space targets and according to the cone of fire model of conventional weapons and directed-energy weapons,this paper solved the firepower conflict probabilities between conventional weapons as well as between conventional weapons and directed-energy weapons respectively using the methods of probability theory,and established the firepower safety control *** the calculation of firepower conflict probability was carried out using the dimensionality reduction method based on the equivalent conversion of polar coordinates and the power series method based on Laplace *** simulation results revealed that the proposed model and calculation methods are effective and reliable,which can provide theoretical basis and technical support for resolution of firepower conflicts between weapons.

关键词： Firepower conflict Directed-energy weapons Firepower safety control Polar coordinates Laplace transform

Growth of Ag/g-C_(3)N_(4) nanocomposites on nickel foam to enhance photocatalytic degradation of formaldehyde under visible light

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Journal of Environmental Sciences 2024年第3期137卷 432-442页

作者： Ze Wang Zhi Huang Jiang yu xiao Shao Weidong Peng jie yu Yinying Jiang Department of Environmental Science and Engineering College of Architecture and EnvironmentSichuan UniversityChengdu 610065China Institute of New Energy and Low Carbon Technology Sichuan UniversityChengdu 610065China School of Agriculture and Environment University of Western AustraliaPerth 6907Western AustraliaAustralia Yibin Institute of Industrial Technology Sichuan UniversityYibin 644000China

Formaldehyde is a pollutant that significantly affects the indoor air ***,conventional remediation approaches can be challenging to deal with low-concentration formaldehyde in an indoor *** this study,Photocatalysts of Ag/graphitic carbon nitride(g-C_(3)N_(4))/Ni with 3D reticulated coral structure were prepared by thermal polymerization and liquid phase photo-deposition,using nickel foam(NF)as the *** demonstrated that when the Ag concentration was 3%,and the relative humidity was 60%,the Ni/Ag/g-C_(3)N_(4)showed the maximum degradation rate of formaldehyde at 90.19%under visible light irradiation,and the formaldehyde concentration after degradation was lower than the Hygienic standard stated by the Chinese *** porous structure of Ni/Ag/g-C_(3)N_(4)and the formation of Schottky junctions promoted the Adsorption efficiency and degradation of formaldehyde,while the nickel foam carrier effectively promoted the desorption of degradation ***,the degradation rate was only reduced by3.4%after 16 recycles,the three-dimensional porous structure extended the lifetime of the *** study provides a new strategy for the degradation of indoor formaldehyde at low concentrations.

关键词： Graphitic carbon nitride(g-C_(3)N_(4)) Nickel foam(NF) Ag Formaldehyde Photocatalysis

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两种塑料电镀工艺的耐腐蚀性能研究

环境技术 2024年第2期42卷 111-116页

作者：陈敏娟李经奇余晓杰许巍巍陈俐峰吉利汽车研究院(宁波)有限公司宁波315336

通过塑料电镀黑铬件、塑料电镀白铬件在铜加速乙酸盐雾试验及整车强化腐蚀试验中的腐蚀表征,对比两种塑料电镀工艺的耐腐蚀性能的差异;通过铜加速乙酸盐雾试验、整车强化腐蚀试验对两种电镀工艺的耐腐蚀性能进行分析,结果表明黑铬工艺... 详细信息

通过塑料电镀黑铬件、塑料电镀白铬件在铜加速乙酸盐雾试验及整车强化腐蚀试验中的腐蚀表征,对比两种塑料电镀工艺的耐腐蚀性能的差异;通过铜加速乙酸盐雾试验、整车强化腐蚀试验对两种电镀工艺的耐腐蚀性能进行分析,结果表明黑铬工艺的耐腐蚀性能弱于白铬电镀工艺,并通过SEM分析对其耐腐蚀性能的差异进行机理分析。

关键词：塑料电镀件腐蚀试验黑铬

Prediction for permeability index of blast furnace based on VMD-PSO-BP model

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Journal of Iron and Steel Research International 2024年第3期31卷 573-583页

作者： xiao-jie Liu yu-jie Zhang Xin Li Zhi-feng Zhang Hong-yang Li Ran Liu Shu-jun Chen School of Metallurgy and Energy North China University of Science and TechnologyTangshan 063210HebeiChina Chengde Branch HBIS Group Co.Ltd.Chengde 067000HebeiChina

The permeability index is one of the important production indicators to monitor the operation of blast *** is crucial to grasp the trends of changes in the new permeability index in *** the complex vibration spectrum of the permeability index,a prediction model of the permeability index based on the VMD-PSO-BP(variational mode decomposition-particle swarm optimization-back propagation)method was ***,the key factors that affect the permeability index of blast furnace were studied from multiple ***,the permeability index was divided into multiple sub-modes based on the difference of frequency bands by the VMD algorithm,and a PSO-BP prediction model was established for each ***,the prediction results of each sub-mode were summed to obtain the final *** results show that the composite prediction accuracy by using the VMD algorithm is 3%higher than that of the traditional prediction method,which has better applicability.

关键词： Big data-Blast furnace Air permeability Variational mode decomposition Particle swarm optimization Back propagation Model prediction

The impact of female sex hormones on cardiovascular disease:from mechanisms to hormone therapy

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Journal of Geriatric Cardiology 2024年第6期21卷 669-681页

作者： Yi KAN yu-Lu PENG Ze-Hao ZHAO Shu-Tong DONG Yin-xiao XU xiao-Teng MA xiao-Li LIU yu-Yang LIU yu-jie ZHOU Department of Cardiology Beijing Anzhen HospitalCapital Medical UniversityBeijing Institute of Heart Lung and Blood Vessel DiseaseBeijing Key Laboratory of Precision Medicine of Coronary Atherosclerotic DiseaseClinical Center for Coronary Heart DiseaseCapital Medical UniversityBeijingChina

Cardiovascular disease remains the leading cause of mortality in women,yet it has not raised the awareness from the *** pathogenesis of cardiovascular disease differs significantly between females and males concerning the effect of sex *** and progestogen impact cardiovascular system through genomic and non-genomic *** menopause,cardiovascular protective effects of estrogens have been well *** were often used in combination with estrogens in hormone *** in sex hormone levels,particularly estrogen deficiency,were considered the specific risk factor in women’s cardiovascular ***,considerable heterogeneity in the impact of hormone therapy was observed in clinical *** heterogeneity is likely closely associated with factors such as the initial time,administration route,dosage,and formulation of hormone *** review will delve into the pathogenesis and hormone therapy,summarizing the effect of female sex hormones on hypertension,pre-eclampsia,coronary heart disease,heart failure with preserved ejection fraction,and cardiovascular risk factors specific to women.

关键词： impact dosage protective

Improving the quality of pediatric clinical practice guidelines in China:a long way to go

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Chinese Medical Journal 2021年第24期134卷 2962-2964页

作者： Ya-Li Liu Hong-Mei Cui Gang Che yuan Ma yu-jie xiao Jiang-Hua He Shu Wang Center for Clinical Epidemiology and Evidence-based Medicine Beijing Children’s HospitalCapital Medical UniversityNational Center for Children’s HealthBeijing 100045China Department of Obstetrics Gansu Provincial Maternity and Child-Care HospitalLanzhouGansu 730050China Department of Cardiology The First People’s Hospital of JiayuguanJiayuguanGansu 735100China Respiratory Division of Zhongshan Hospital Fudan UniversityShanghai Respiratory Research InstituteShanghai 200032China Department of Anesthesiology Central South University Xiangya Hospital 410000 ChangshaChina Department of Gastroenterology Zhongnan Hospital of Wuhan UniversityWuhanHubei 430071China Department of Neurosurgery SanBo Brain HospitalCapital Medical UniversityBeijing 100093China

Children’s health is one of the key health issues receiving increasing attention worldwide and it is also an important measure of a country’s social progress and economic development.[1]However,the development of pediatrics in China also faces many problems,such as the enormous contradiction between medical health resources and medical needs and the unbalanced development in various regions.[2]Although clinical practice guidelines(CPGs)play an important and positive role in solving medical health problems,[3]previous studies suggested that the methodological quality of some CPGs might be *** is important and necessary to investigate the current status of the pediatric CPGs in China and systematically evaluate their methodological *** paper investigated and analyzed the current status of the CPGs for pediatric in China,using the Appraisal of Guidelines for REsearch&Evaluation II(AGREE II)instrument to evaluate the methodological quality of evidence-based guidelines for pediatrics in *** aim of this study was to appraise the methodological quality of the evidence-based guidelines for pediatrics published in China from 2010 to 2017 using the AGREE II instrument to provide a reference and guidance for guideline developers and users.

关键词： pediatric instrument clinical

Sequential enantioselective Ugi-4CR/post-Ugi transformation strategy:a precise construction of structurally diverse azaspiro polycyclic scaffolds

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Science China Chemistry 2024年第2期67卷 576-586页

作者： xiao-Bao Wu Jun-Xiu Shi Yi-Ming Ou Hua-jie Jiang Yi-Jun Fang Qi-Ming Wang Quan Gao jie yu Department of Applied Chemistry Anhui Province Engineering Laboratory for Green Pesticide Development and ApplicationAnhui Province Key Laboratory of Crop Integrated Pest ManagementAnhui Agricultural UniversityHefei230036China

A privileged strategy has been developed for the precise construction of enantioenriched azaspiro polycyclic *** diverse azaspiro polycycles bearing multiple contiguous stereocenters are obtained with excellent results(up to 99:1 e.r.,>95:5 d.r.) via sequential enantioselective four-component Ugi reactions/post-Ugi transformations with substrates containing prerequisite functional groups in the presence of anionic stereogenic-at-cobalt(Ⅲ) complexes.

关键词： asymmetric catalysis post-Ugi transformation anionic stereogenic-at-cobalt(Ⅲ)complex azaspiro polycyclic scaffold one-pot synthesis

Effect of electrical parameters and slag system on macrostructure of electroslag ingot

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China Foundry 2024年第1期21卷 44-50页

作者： Bing-jie Wang yu Wang Meng-jun Wang Lei Zhao Li-zhong Chang xiao-fang Shi School of Metallurgy engineering Anhui University of TechnologyMa'anshan 243002AnhuiChina

To investigate the influence of electric parameters and slag system on the solidification quality of electroslag ingot during electroslag remelting,different power supply modes,current strengths and remelting slag systems were used to conduct electroslag remelting experiments on 304L austenitic stainless steel,and the macrostructure of electroslag ingots was *** results indicate that the depth of the metal pool decreases with the reduction of remelting frequency in the low frequency power supply *** effects of different power supply modes,such as low-frequency,direct current straight polarity(DCSP),and direct current reverse polarity(DCRP),on reducing the depth of the metal pool increase in that *** reducing the remelting current strength in the same power supply mode,the depth of metal pool is *** compared to the binary slag system of 70%CaF2+30%Al2O3,the ternary slag system of 60%CaF2+20%Al2O3+20%CaO is more effective in reducing the depth of the metal pool during *** the 60%CaF2+20%Al2O3+20%CaO ternary slag system results in a shallower and flatter metal pool,with columnar crystal growth occurring closer to the axial *** effect is observed for both low frequency and direct current(DC)power supply modes.

关键词： electroslag remelting frequency slag system solidification quality