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A review on WO3-based composite photocatalysts:synthesis,catalytic mechanism and diversified applications

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Rare Metals 2024年第8期43卷 3441-3459页

作者： Xue Zhang Zi-Qi Zhang Yan-Dong Sun Xiao-Jia Ma Feng-Xian Jin Fang-Yuan Zhang Wei-Guang Han Bo-xiong shen sheng-Qi Guo College of Energy and Environmental Engineering Hebei University of Technology Department of Food and Chemical Engineering Liuzhou Institute of Technology

Photocatalysis as an emerging "green" energy conversion technology has attracted domestic and international *** technology uses semiconductor photocatalysts to convert solar energy into directly usable chemical energy,showing great potential for application in environmental pollutant purification and clean energy production,with broad development *** many semiconductor materials,tungsten trioxide（WO3） is favored by researchers in the field of photocatalysis because of its good visible light response and excellent valence band hole oxidation ***,a large number of photocatalysts based on WO3,in particular W03-based composite photocatalysts,have been reported,and their applications cover a wide range of *** order to promote the development of WO3-based photocatalysts and provide a reference for colleagues,we present a systematic summary of the applications and research progress of W03-based composites in the field of photocatalysis in recent *** from the structural properties of WO3itself,this article summarizes the preparation methods and structure-activity relationships of WO3-based composite ***,it introduces the current application status of existing WO3-based composite photocatalysts in CO2reduction,hydrogen production,nitrogen fixation,and pollutant ***,the development prospects were analyzed.

关键词： WO 3 -based composite photocatalysts Intrinsic characteristic Preparation method Reaction mechanism Applications

桡骨远端开放骨折混合感染诱发脓毒症1例报告

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中国矫形外科杂志 2024年第14期32卷 1339-1341页

作者：刘振江李根和沈钊雄沈楚龙广州中医药大学第八临床医学院广东佛山528000 佛山市中医院广东佛山528000

桡骨远端开放骨折是临床常见的一种创伤急症,常伴有严重的软组织损伤及创口污染,易引起局部软组织坏死、感染及骨髓炎等并发症,严重者甚至出现脓毒症、多脏器衰竭等[1]。开放骨折感染病原菌以金黄色葡萄球菌.

关键词：桡骨远端开放骨折摩氏摩根菌脓毒症

夏季抽水蓄能电站地下厂房通风廊道空气温湿度传递规律研究

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制冷 2024年第3期43卷 39-42,47页

作者：潘亚李阳沈雄中国电建集团北京勘测设计研究院有限公司北京100024 天津大学天津300072

本文对河北尚义抽水蓄能电站的通风洞兼安全洞、交通洞在永久期运营期间平均空气温度、相对湿度、空气焓值等参数的变化进行了数值模拟预测研究。计算结果表明室外新风在进入地下建筑之前温度和相对湿度发生了较大的变化。夏季通风洞兼... 详细信息

本文对河北尚义抽水蓄能电站的通风洞兼安全洞、交通洞在永久期运营期间平均空气温度、相对湿度、空气焓值等参数的变化进行了数值模拟预测研究。计算结果表明室外新风在进入地下建筑之前温度和相对湿度发生了较大的变化。夏季通风洞兼安全洞末端的空气温度分别达到13.6℃,室外新风通过洞室壁面后夏季温降为14.6℃。夏季交通洞末端温度接近深层地温,夏季温降为18℃。因此通风洞兼安全洞、交通洞围护结构对室外新风温度的调控作用不可忽视。夏季通风洞兼安全洞、交通洞末端的相对湿度达到了100%。两个洞室末端夏季相对湿度都达到了饱和,说明需要添加除湿或辅助热源设施,以缓解相对湿度过高对地下厂房造成的不利影响。

关键词：抽水蓄能电站通风廊道地下建筑传递规律

High-throughput computation and structure prototype analysis for two-dimensional ferromagnetic materials

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npj Computational Materials 2022年第1期8卷 1238-1244页

作者： Zhen-xiong shen Chuanxun Su Lixin He Key Laboratory of Quantum Information University of Science and Technology of ChinaHefei230026China Synergetic Innovation Center of Quantum Information and Quantum Physics University of Science and Technology of ChinaHefei230026China

We perform high-throughput first-principles computations to search the high Curie temperature (T_(C)) two-dimensional ferromagnetic (2DFM) *** identify 79 2DFM materials and calculate their T_(C),in which Co_(2)F_(2) has the highest T_(C) = 541 K,well above the room *** 79 2DFM materials are classified into different structural prototypes according to their structural *** perform sure independence screening and sparsifying operator (SISSO) analysis to explore the relation between T_(C) and the material *** results suggest that the 2DFM materials with shorter distance between the magnetic atoms,larger local magnetic moments and more neighboring magnetic atoms are more likely to have higher T_(C).

关键词： materials. analysis dimensional

A 100-PW compressor based on single-pass single-grating pair

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High Power Laser Science and Engineering 2023年第1期11卷 26-37页

作者： Shuman Du xiong shen Wenhai Liang Peng Wang Jun Liu Ruxin Li State Key Laboratory of High Field Laser Physics and CAS Center for Excellence in Ultra-intense Laser Science Shanghai Institute of Optics and Fine MechanicsChinese Academy of SciencesShanghaiChina Center of Materials Science and Optoelectronics Engineering University of Chinese Academy of SciencesBeijingChina Zhangjiang Laboratory ShanghaiChina

A multistep pulse compressor(MPC)based on a single-pass single-grating pair(SSGP)is proposed to simplify the entire multi-petawatt(PW)*** one grating pair with relatively long perpendicular distance is used to generate the same amount of spectral chirp compared with a four-grating main *** SSGP compressor induces the largest spatial chirp,it can introduce the best beam-smoothing effect to the laser beam on the last *** considering the diffraction loss of only two gratings,the total compression efficiency of the SSGP compressor is even larger than that of a four-grating main ***,the wavefront aberration induced by the SSGP compressor can be better compensated by using deformable mirrors;however,it is difficult or complicated to be well compensated in a four-grating *** 50-100 PW laser pulses can be obtained using this SSGP-based multistage-smoothing MPC with a single laser beam.

关键词： beam smoothing multistep pulse compressor petawatt single-grating-pair compressor

类风湿二方联合巴瑞替尼和甲氨蝶呤治疗寒湿痹阻型类风湿性关节炎的临床观察

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广州中医药大学学报 2024年第6期41卷 1438-1443页

作者：熊甚薛秋倩郑宝林广州中医药大学第八临床医学院广东佛山528000 佛山市中医院广东佛山528000

【目的】观察自拟类风湿二方(由黄芪桂枝五物汤加鸡血藤、宽筋藤、广东海风藤、木瓜等中药组成)联合巴瑞替尼和甲氨蝶呤治疗寒湿痹阻型类风湿性关节炎(RA)的临床疗效。【方法】将60例寒湿痹阻型RA患者随机分为观察组和对照组,每组各30... 详细信息

【目的】观察自拟类风湿二方(由黄芪桂枝五物汤加鸡血藤、宽筋藤、广东海风藤、木瓜等中药组成)联合巴瑞替尼和甲氨蝶呤治疗寒湿痹阻型类风湿性关节炎(RA)的临床疗效。【方法】将60例寒湿痹阻型RA患者随机分为观察组和对照组,每组各30例。对照组给予巴瑞替尼+甲氨蝶呤治疗,观察组在对照组的基础上联合自拟类风湿二方治疗,疗程为8周。观察2组患者治疗前后中医证候积分、疼痛程度视觉模拟量表(VAS)评分以及红细胞沉降率(ESR)和血清C反应蛋白(CRP)、类风湿因子(RF)、抗环瓜氨酸肽抗体(anti-CCP)等相关实验室指标的变化情况,并评价2组患者的临床疗效。【结果】(1)疗效方面:治疗8周后,观察组的总有效率为93.33%(28/30),对照组为70.00%(21/30),组间比较(χ^(2)检验),观察组的疗效明显优于对照组(P<0.05)。(2)中医证候积分方面:治疗后,2组患者的中医证候积分均较治疗前明显降低(P<0.05或P<0.01),且观察组的降低幅度明显优于对照组(P<0.01)。(3)疼痛程度方面:治疗后,2组患者的疼痛程度VAS评分均较治疗前明显降低(P<0.01),且观察组的降低幅度明显优于对照组(P<0.01)。(4)相关实验室指标方面:治疗后,2组患者的ESR和血清CRP、RF、anti-CCP水平均较治疗前明显降低(P<0.05),且观察组的降低幅度均明显优于对照组(P<0.05)。【结论】自拟类风湿二方内服联合巴瑞替尼和甲氨蝶呤治疗寒湿痹阻型RA疗效确切,可有效缓解患者的临床症状和体征,改善患者的相关实验室指标,其疗效优于单纯西药巴瑞替尼和甲氨蝶呤治疗。

关键词：类风湿性关节炎寒湿痹阻类风湿二方黄芪桂枝五物汤巴瑞替尼甲氨蝶呤

Electrothermal Model Based Remaining Charging Time Prediction of Lithium-Ion Batteries against Wide Temperature Range

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Chinese Journal of Mechanical Engineering 2024年第2期37卷 330-339页

作者： Rui xiong Zian Zhao Cheng Chen Xinggang Li Weixiang shen School of Mechanical Engineering Beijing Institute of TechnologyBeijing 100081China School of Science Computing and Engineering TechnologiesSwinburne University of TechnologyHawthornVIC 3122Australia

Battery remaining charging time(RCT)prediction can facilitate charging management and alleviate mileage anxiety for electric vehicles(EVs).Also,it is of great significance to improve EV users’***,the RCT for a lithiumion battery pack in EVs changes with temperature and other battery *** study proposes an electrothermal model-based method to accurately predict battery ***,a characteristic battery cell is adopted to represent the battery pack,thus an equivalent circuit model(ECM)of the characteristic battery cell is established to describe the electrical behaviors of a battery ***,an equivalent thermal model(ETM)of the battery pack is developed by considering the influence of ambient temperature,thermal management,and battery connectors in the battery pack to calculate the temperature which is then fed back to the ECM to realize electrothermal ***,the RCT prediction method is proposed based on the electrothermal model and validated in the wide temperature range from-20℃to 45℃.The experimental results show that the prediction error of the RCT in the whole temperature range is less than 1.5%.

关键词： Electric vehicles Lithium-ion batteries Remaining charging time Electrothermal model

Deep neural network-enabled battery open-circuit voltage estimation based on partial charging data

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Journal of Energy Chemistry 2024年第3期90卷 120-132,I0005页

作者： Ziyou Zhou Yonggang Liu Chengming Zhang Weixiang shen Rui xiong State Key Laboratory of Mechanical Transmission for Advanced Equipment&College of Mechanical and Vehicle Engineering Chongqing UniversityChongqing 400000China Department of Vehicle Engineering School of Mechanical EngineeringBeijing Institute of TechnologyBeijing 100081China Department of Electrical Engineering Harbin Institute of TechnologyHarbin 150000HeilongjiangChina School of Science Computing and Engineering TechnologiesSwinburne University of TechnologyHawthornVictoria 3122Australia

Battery management systems(BMSs) play a vital role in ensuring efficient and reliable operations of lithium-ion *** main function of the BMSs is to estimate battery states and diagnose battery health using battery open-circuit voltage(OCV).However,acquiring the complete OCV data online can be a challenging endeavor due to the time-consuming measurement process or the need for specific operating conditions required by OCV estimation *** addressing these concerns,this study introduces a deep neural network-combined framework for accurate and robust OCV estimation,utilizing partial daily charging *** incorporate a generative deep learning model to extract aging-related features from data and generate high-fidelity OCV *** analysis is employed to identify the optimal partial charging data,optimizing the OCV estimation precision while preserving exceptional *** validation results,using data from nickel-cobalt-magnesium(NCM) batteries,illustrate the accurate estimation of the complete OCV-capacity curve,with an average root mean square errors(RMSE) of less than 3 *** this level of precision for OCV estimation requires only around 50 s collection of partial charging *** validations on diverse battery types operating under various conditions confirm the effectiveness of our proposed *** cases of precise health diagnosis based on OCV highlight the significance of conducting online OCV *** method provides a flexible approach to achieve complete OCV estimation and holds promise for generalization to other tasks in BMSs.

关键词： Lithium-ion battery Open-circuit voltage Health diagnosis Deep learning

Surgical treatment of atlantoaxial dysplasia and scoliosis in spondyloepiphyseal dysplasia congenita:A case report

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World Journal of Orthopedics 2023年第11期14卷 827-835页

作者： Yang Jiao Jun-Duo Zhao Xu-An Huang Hao-Yu Cai Jian-xiong shen Department of Orthopaedic Surgery Peking Union Medical College HospitalPeking Union Medical CollegeChinese Academy of Medical SciencesBeijing 100730China

BACKGROUND Spondyloepiphyseal dysplasia congenita(SEDC)is a rare autosomal dominant hereditary disease caused by COL2A1 *** primarily involves the skeletal system,with typical clinical manifestations,including short stature,hip dysplasia,and spinal *** to the low incidence of SEDC,there are only a few case reports regarding the surgical treatment of SEDC complicated with spinal *** SUMMARY We report a case of a 16-year-old male patient with *** presented with typical short stature,atlantoaxial dysplasia,scoliosis,and hip *** magnetic resonance imaging showed spinal canal stenosis at the atlas level and cervical spinal cord compression with *** scoliosis was a right thoracic curve with a Cobb angle of 65°.He underwent atlantoaxial reduction,decompression,and internal fixation from C1–C2 to relieve cervical *** months after cervical surgery,posterior correction surgery for scoliosis was performed from T3 to *** was corrected from 66°to 8°and remained stable at 2-year *** This is the first case report of a patient with SEDC who successfully underwent surgery for atlantoaxial dysplasia and *** study provides an important reference for the surgical treatment of SEDC complicated with spinal deformities.

关键词： Spondyloepiphyseal dysplasia congenita Surgical treatment Atlantoaxial dysplasia Scoliosis Hip dysplasia Case report