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左侧卧60°跑步-拥抱位在腹腔镜肝右后叶切除术中的应用分析

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中华肝胆外科杂志 2024年第7期30卷 489-493页

作者：朱常琰胡玉秋李德清段金鑫林鸿操陈光耀周泉波付志强中山大学孙逸仙纪念医院胆胰外科广州510120 中山大学附属第八医院(深圳福田)乳腺外科深圳518033 中山大学孙逸仙纪念医院深汕中心医院肝胆胰外科汕尾516621 广东省人民医院胰腺外科广州510000

目的分析左侧卧60°跑步-拥抱位应用于腹腔镜肝右后叶切除术的安全性及有效性。方法回顾性分析2022年8月至2023年6月于中山大学孙逸仙纪念医院胆胰外科接受左侧卧60°跑步-拥抱位腹腔镜肝右后叶切除术的12例患者的临床资料,其中男性9例... 详细信息

目的分析左侧卧60°跑步-拥抱位应用于腹腔镜肝右后叶切除术的安全性及有效性。方法回顾性分析2022年8月至2023年6月于中山大学孙逸仙纪念医院胆胰外科接受左侧卧60°跑步-拥抱位腹腔镜肝右后叶切除术的12例患者的临床资料,其中男性9例,女性3例,年龄范围26~76岁,中位年龄52.5岁。总结手术时间、术中出血量、术中肝门阻断次数和时间、术后引流时间、术后住院时间、术后并发症等指标,评估手术的安全性和有效性。结果12例患者均在腹腔镜下顺利完成手术,无患者因术中出血难以控制而被迫中转开腹。12例患者包括肝内胆管结石1例、原发性肝癌5例、肝血管瘤2例、肝脏局灶性结节性增生2例、转移性肝癌1例、肝脓肿1例。12例患者手术时间为(246.2±90.4)min,术中出血量为125(22,275)ml,术中肝门阻断次数2.00(0.25,2.75)次,术中肝门阻断时间为(27±22)min,术后引流时间为(5.0±2.6)d,术后住院时间为6.0(4.3,8.0)d。术中输血1例,术后出现腹腔积液1例。无围手术期死亡,所有患者均顺利出院。结论对于肝右后叶区域的病灶,采用左侧卧60°跑步-拥抱位行腹腔镜肝右后叶切除术是安全且有效的。

关键词：腹腔镜肝切除术左侧卧60°跑步-拥抱位应用分析

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匍枝马尾藻中砷的脱除工艺研究

饲料工业 2024年第12期45卷 128-133页

作者：高秀菊朱军黄惠琴李德卿邹潇潇顾志峰吴晓鹏鲍时翔海南大学海洋生物与水产学院海南海口570208 中国热带农业科学院热带生物技术研究所海南热带农业资源研究院海南省热带农业资源保护与利用重点实验室海南海口571101 中国热带农业科学院分析测试中心海南海口571101

研究以匍枝马尾藻为原材料,借助电感耦合等离子体质谱技术(ICP-MS)分析了其中总砷含量,并评估了藻体粒径大小、脱除剂、料液比、脱除温度和时间等因素对总砷脱除效果的影响。在此基础上,通过正交优化试验,得到脱砷的最佳工艺参数为:藻... 详细信息

研究以匍枝马尾藻为原材料,借助电感耦合等离子体质谱技术(ICP-MS)分析了其中总砷含量,并评估了藻体粒径大小、脱除剂、料液比、脱除温度和时间等因素对总砷脱除效果的影响。在此基础上,通过正交优化试验,得到脱砷的最佳工艺参数为:藻粉粒径0.1 cm,脱除剂为水,料液比1∶40(g/mL),脱除时间3 h,脱除温度45℃,匍枝马尾藻中总砷的脱除率为85.42%。此工艺简单易操作,能够脱除马尾藻中大部分砷,为降低海藻中有害元素砷提供了有效途径。

关键词：匍枝马尾藻总砷正交试验最佳工艺脱除率

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Study of Hollow Cathode Arc Welding Technology for Ti Alloys

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Journal of Materials Science & Technology 2001年第1期17卷 183-184页

作者： Zhihua liU Qing ZHAO deqing li Aerospace Research institute of Materials&Processing Technology Beijing 100076China

In this paper, technology margin experiment of hollow cathode fusion arc welding (FAW) and penetrating arc welding (PAW) is presented in detail. The advantages of PAW. compared with FAW, are better weld formation, narrower welds, as well as a larger welding technology margin. Technological experiment and hydraulic test for the Ti alloy pressure vessels with PAW are described. Also, the weld formation control on Ti alloys is preliminarily analyzed. Finally, conclusions are addressed.

关键词： Welding Technology arc welding welding technology formation control pressure vessels hollow cathode Ti alloy

Synthetic Strategies of Carbon Nanobelts and Beyond

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Chemical Research in Chinese Universities 2024年第4期40卷 627-631页

作者： li Yanbang SHANG Wansong REN Yu ZHANG Xi-Sha li Cheng ZHANG Guanxin ZHANG deqing Beijing National Laboratory for Molecular Science CAS Key Laboratory for Organic SolidsInstitute of ChemistryChinese Academy of SciencesBeijing100190P.R.China University of Chinese Academy of Sciences Beijing100049P.R.China

Carbon nanobelts(CNBs)with aesthetically appealing molecular structures and outstanding physical properties have attracted more and more attentions from the scientific community due to their potential applications in synthetic materials,host-guest chemistry,optoelectronics,and so *** synthesis of CNBs at different stages was overviewed and some representative breakthroughs and advances in synthetic strategies were highlighted and *** key issue for the synthesis of CNBs is how to construct curved structures with high strain *** not only proposed a few unconventional CNBs as the promising target molecules,but also pointed out the bottom-up synthesis of conjugated tubular segments of carbon nanotubes sharing similar properties as carbon nanotubes is the next focus in this emerging area.

关键词： Carbon nanobelt Strain energy Carbon nanoring Single-walled carbon nanotube Bottom-up synthesis

Enhancing lithium-sulfur battery performance with In_(2)O_(3)-In_(2)S_(3)@NSC heterostructures:Synergistic effects of double barrier and catalytic transformation

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Journal of Materials Science & Technology 2024年第2期169卷 105-114页

作者： deqing He Chunyu Zhu Yutao Huo Zhonghao Rao School of Energy and Environmental Engineering Hebei University of TechnologyTianjin 300401China Hebei Key Laboratory of Thermal Science and Energy Clean Utilization Hebei University of TechnologyTianjin 300401China School of Low-carbon Energy and Power Engineering China University of Mining and TechnologyXuzhou 221116China

The sluggish redox reaction kinetics of lithium polysulfides(liPSs)are considered the main obstacle to the commercial application of lithium-sulfur(li-S)*** accelerate the conversion by catalysis and inhibit the shuttling of soluble liPSs in li-S batteries,a solution is proposed in this *** solution involves fabrication of N,S co-doped carbon coated In_(2)O_(3)/In_(2)S_(3)heterostructure(In_(2)O_(3)-In_(2)S_(3)@NSC)as a multifunctional host material for the *** In_(2)O_(3)-In_(2)S_(3)@NSC composite can reduce the Gibbs free energy for the conversion reactions of liPSs,which results in superior *** synergy between different components in In_(2)O_(3)-In_(2)S_(3)@NSC and the unique 3D structure facilitate ion and electron transport in li-S *** In_(2)O_(3)-In_(2)S_(3)@NSC/li 2 S 6 cathode exhibits excellent rate capacity,with a capacity of 599 mAh g−1 at 5.5 C,and good cycle stability,with a capacity of 436 mAh g^(−1)after 1000 cycles at 1 ***,this study proposes a promising solution to improve the energy storage properties of li-S batteries,which could potentially facilitate the commercialization of li-S batteries.

关键词： li-S battery Multifunctional host material Synergy Heterostructures Energy storage properties

Tungsten oxide/nitrogen-doped carbon nanotubes composite catalysts for enhanced redox kinetics in lithium-sulfur batteries

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Chinese Journal of Chemical Engineering 2024年第3期67卷 58-67页

作者： deqing He Zihao Xie Qian Yang Wei Wang Chao Su School of Energy and Power Jiangsu University of Science and TechnologyZhenjiang 212100China State Key Laboratory of Materials-Oriented Chemical Engineering College of Chemical EngineeringNanjing Tech UniversityNanjing 211816China

The sluggish redox kinetics of polysulfides in lithium-sulfur(li-S)batteries are a significant obstacle to their widespread adoption as energy storage ***,recent studies have shown that tungsten oxide(WO_(3))can facilitate the conversion kinetics of polysulfides in li-S ***,we fabricated host materials for sulfur using nitrogen-doped carbon nanotubes(N-CNTs)and WO_(3).We used low-cost components and simple procedures to overcome the poor electrical conductivity that is a disadvantage of metal *** composites of WO_(3) and N-CNTs(WO_(3)/N-CNTs)create a stable framework structure,fast ion diffusion channels,and a 3D electron transport network during electrochemical reaction *** a result,the WO_(3)/N-CNT-li2S6 cathode demonstrates high initial capacity(1162 mA·h·g^(-1) at 0.5℃),excellent rate performance(618 mA·h·g^(-1) at 5.5℃),and a low capacity decay rate(0.093%up to 600 cycles at 2℃).This work presents a novel approach for preparing tungsten oxide/carbon composite catalysts that facilitate the redox kinetics of polysulfide conversion.

关键词： li-S batteries Composites Ion diffusion channels 3D electron transport network Redox kinetics

From VIB‑to VB‑Group Transition Metal Disulfides:Structure Engineering Modulation for Superior Electromagnetic Wave Absorption

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Nano-Micro Letters 2024年第2期16卷 218-257页

作者： Junye Cheng Yongheng Jin Jinghan Zhao Qi Jing Bailong Gu Jialiang Wei Shenghui Yi Mingming li Wanli Nie Qinghua Qin deqing Zhang Guangping Zheng Renchao Che Department of Materials Science Shenzhen MSU-BIT UniversityShenzhen 517182People’s Republic of China School of Materials Science and Engineering Beijing Institute of TechnologyBeijing 100081People’s Republic of China School of Materials Science and Engineering Qiqihar UniversityQiqihar 161006People’s Republic of China Department of Mechanical Engineering Hong Kong Polytechnic UniversityHung HomKowloonHong KongPeople’s Republic of China Laboratory of Advanced Materials Shanghai Key Lab of Molecular Catalysis and Innovative MaterialsFudan UniversityShanghai 200438People’s Republic of China Zhejiang Laboratory Hangzhou 311100People’s Republic of China

The laminated transition metal disulfides(TMDs),which are well known as typical two-dimensional(2D)semiconductive materials,possess a unique layered structure,leading to their wide-spread applications in various fields,such as catalysis,energy storage,sensing,*** recent years,a lot of research work on TMDs based functional materials in the fields of electromagnetic wave absorption(EMA)has been carried ***,it is of great significance to elaborate the influence of TMDs on EMA in time to speed up the *** this review,recent advances in the development of electromagnetic wave(EMW)absorbers based on TMDs,ranging from the VIB group to the VB group are *** compositions,microstructures,electronic properties,and synthesis methods are presented in ***,the modulation of structure engineering from the aspects of heterostructures,defects,morphologies and phases are systematically summarized,focusing on optimizing impedance matching and increasing dielectric and magnetic losses in the EMA materials with tunable EMW absorption *** as well as the challenges are also identified to guide the design of new TMDs based dielectric EMA materials with high performance.

关键词： Transition metal disulfides Electromagnetic wave absorption Impedance matching Structure engineering modulation

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数字化转型对中国企业国际化发展的影响

华南师范大学学报:社会科学版 2023年第4期 81-95,206页

作者：陈再齐李德情广东省社会科学院经济研究所广东510635

数字技术已经成为中国企业实现国际化的重要驱动因素。基于2007—2021年中国A股上市公司数据,实证研究数字化转型是否有助于中国企业国际化发展,发现:通过管理赋能、融资赋能、创新赋能与生产赋能,数字化转型显著促进了中国企业国际化发... 详细信息

数字技术已经成为中国企业实现国际化的重要驱动因素。基于2007—2021年中国A股上市公司数据,实证研究数字化转型是否有助于中国企业国际化发展,发现:通过管理赋能、融资赋能、创新赋能与生产赋能,数字化转型显著促进了中国企业国际化发展,有助于中国企业高质量“走出去”。进一步分析表明,数字化转型对中国企业国际化发展存在“短期单重优化”和“长期双重优化”作用,有助于中国企业在高质量“走出去”的基础上实现长远发展。由此得到三点政策启示:第一,加大对企业数字化转型的支持力度,构建中国企业国际竞争新优势;第二,聚焦数字技术的赋能功能,推动数字技术和实体经济的深度融合;第三,建立企业国际化的初期扶持机制,促进企业国际化长远发展。

关键词：数字化转型国际化发展高质量发展跨国公司

ECharts: A declarative framework for rapid construction of web-based visualization

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Visual Informatics 2018年第2期2卷 136-146页

作者： deqing li Honghui Mei Yi Shen Shuang Su Wenli Zhang Junting Wang Ming Zu Wei Chen Baidu Inc. China State Key Lab of CAD&CG Zhejiang UniversityChina

While there have been a dozen of authoring systems and programming toolkits for visual design and development,users who do not have programming skills,such as data analysts or interface designers,still may feel cumbersome to efficiently implement a web-based *** this paper,we present ECharts,an open-sourced,web-based,cross-platform framework that supports the rapid construction of interactive *** motivation is driven by three goals:easy-touse,rich built-in interactions,and high *** kernel of ECharts is a suite of declarative visual design language that customizes built-in chart *** underlying streaming architecture,together with a high-performance graphics renderer based on HTML5 canvas,enables the high expandability and performance of *** report the design,implementation,and applications of ECharts with a diverse variety of *** compare the utility and performance of ECharts with ***,HighCharts,and *** of the experiments demonstrate the efficiency and scalability of our *** the first release in June 2013,ECharts has iterated 63 versions,and attracted over 22,000 star counts and over 1700 related projects in the *** is regarded as a leading visualization development tool in the world,and ranks the third in the GitHub visualization tab.

关键词： Information visualization Web-based visualization