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Generalized Fourth-Order Decompositions of Imaginary Time Path Integral:Implications of the Harmonic Oscillator

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Chinese Journal of Chemical Physics 2022年第3期35卷 516-536,I0003页

作者： Cong Wang lihan zhang Jian Liu Jiushu Shao College of Chemistry and Center for Advanced Quantum Studies Key Laboratory of Theoretical and Computational PhotochemistryMinistry of EducationBeijing Normal UniversityBeijing 100875China Institute of Condensed Matter and Material Physics School of PhysicsPeking UniversityBeijing 100871China Beijing National Laboratory for Molecular Sciences Institute of Theoretical and Computational ChemistryCollege of Chemistry and Molecular EngineeringPeking UniversityBeijing 100871China

The imaginary time path integral formalism offers a powerful numerical tool for simulating thermodynamic properties of realistic *** show that,when second-order and fourth-order decompositions are employed,they share a remarkable unified analytic form for the partition function of the harmonic *** are then able to obtain the expression of the thermodynamic property and the leading error terms as *** order to obtain reasonably optimal values of the free parameters in the generalized symmetric fourth-order decomposition scheme,we eliminate the leading error terms to achieve the accuracy of desired order for the thermodynamic property of the harmonic *** a strategy leads to an efficient fourth-order decomposition that produces thirdorder accurate thermodynamic properties for general systems.

关键词： Path integral Decomposition Partition function Harmonic oscillator

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影像组学在免疫治疗方面的应用现状

分子影像学杂志 2024年第2期47卷 216-219页

作者：张丽菡王化陈永孜路红赤峰松山医院CT/MRI室内蒙古赤峰024000 天津市肿瘤医院空港医院放射诊断科天津300308 天津医科大学肿瘤医院放射科天津300060 天津医科大学肿瘤医院肿瘤细胞生物学实验室天津300060 天津医科大学肿瘤医院乳腺影像诊断科天津300060 天津市肿瘤防治重点实验室国家肿瘤临床医学研究中心天津市恶性肿瘤临床医学研究中心天津300060

影像组学在医学图像中挖掘信息,对癌症的诊断、预后和治疗疗效预测具有极为重要的地位。当前,免疫治疗成为癌症治疗的热点,极大地推动了肿瘤学领域的发展。影像组学特征具备无创、可重复、常规获取以及量化肿瘤异质性等优点,因此可作为... 详细信息

影像组学在医学图像中挖掘信息,对癌症的诊断、预后和治疗疗效预测具有极为重要的地位。当前,免疫治疗成为癌症治疗的热点,极大地推动了肿瘤学领域的发展。影像组学特征具备无创、可重复、常规获取以及量化肿瘤异质性等优点,因此可作为免疫治疗疗效的生物标志物。本文将阐述影像组学的特征提取及其数据分析,将其作为生物标志物在免疫治疗中的研究进展,包括预测治疗反应和不良事件,为影像组学在个体化治疗中的应用提供了新的见解。

关键词：影像组学癌症免疫治疗医学图像

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A Comparative Investigation of Single Crystal and Polycrystalline Ni-Rich NCMs as Cathodes for Lithium-Ion Batteries

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Energy & Environmental Materials 2023年第3期6卷 1-7页

作者： Xianming Deng Rui zhang Kai Zhou Ziyao Gao Wei He lihan zhang Cuiping Han Feiyu Kang Baohua Li Shenzhen Key Laboratory of Power Battery Safety and Shenzhen Geim Graphene Center Tsinghua Shenzhen International Graduate SchoolTsinghua UniversityShenzhen 518055China School of Materials Science and Engineering Tsinghua UniversityBeijing 100084China EVE Energy Co. Ltd.No.38Hui Feng 7th RoadZhongkai Hi-Tech ZoneHuiZhou Guangdong 516006China Shenzhen Key Laboratory of Energy Materials for Carbon Neutrality and Faculty of Materials Science and Engineering Shenzhen Institutes of Advanced TechnologyChinese Academy of SciencesShenzhen 518055China

Nickel-rich LiNi_(1-x-y)Co_(x)Mn_(y)O_(2)(NCM,1-x-y≥0.6)is known as a promising cathode material for lithium-ion batteries since its superiority of high voltage and large ***,polycrystalline Ni-rich NCMs suffer from poor cycle stability,limiting its further ***,single crystal and polycrystalline LiNi_(0.84)Co_(0.07)Mn_(0.09)O_(2)cathode materials are compared to figure out the relation of the morphology and the electrochemical storage *** to the Li^(+)diffusion coefficient,the lower capacity of single crystal samples is mainly ascribed to the limited Li+diffusion in the large *** situ XRD illustrates that the polycrystalline and single crystal NCMs show a virtually identical manner and magnitude in lattice contraction and expansion during ***,the electrochemically active surface area(ECSA)measurement is employed in lithium-ion battery study for the first time,and these two cathodes show huge discrepancy in the ECSA after the initial *** results suggest that the single crystal sample exhibits reduced cracking,surface side reaction,and Ni/Li mixing but suffers the lower Li^(+)diffusion *** work offers a view of how the morphology of Ni-rich NCM effects the electrochemical performance,which is instructive for developing a promising strategy to achieve good rate performance and excellent cycling stability.

关键词： cathodes electrochemically active surface area Li^(+)diffusion coefficient lithium-ion batteries single crystal

A combination of hierarchical pore and buffering layer construction for ultrastable nanocluster Si/SiO_(x)anode

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Nano Research 2020年第11期13卷 2987-2993页

作者： Kun Zeng Tong Li Xianying Qin Gemeng Liang lihan zhang Qi Liu Baohua Li Feiyu Kang Shenzhen Key Laboratory of Power Battery Safety Research and Shenzhen Geim Graphene Center Tsinghua Shenzhen International Graduate SchoolTsinghua UniversityShenzhen518055China Tsinghua-Berkeley Shenzhen Institute(TBSI) Tsinghua UniversityShenzhen518055China School of Materials Science and Engineering Tsinghua UniversityBeijing100084China

Porous Si can be synthesized from diverse silica(SiO_(2))via magnesiothermic reduction technology and widely employed as potential anode material in lithium ion ***,concerns regarding the influence of residual silicon oxide(SiO_(x))component on resulted Si anode after reduction are still *** this work,we intentionally fabricate a cauliflower-like silicon/silicon oxide(CF-Si/SiO_(x))particles from highly porous SiO_(2)spheres through insufficient magnesiothermic reduction,where residual SiO_(x)component and internal space play an important role in preventing the structural deformation of secondary bulk and restraining the expansion of Si ***,the hierarchically structured CF-Si/SiO_(x)exhibits uniformly-dispersed channels,which can improve ion transport and accommodate large volume expansion,*** a result,the CF-Si/SiO_(x)-700 anode shows excellent electrochemical performance with a specific capacity of^1,400 mA·h·g^(−1)and a capacity retention of 98%after 100 cycles at the current of 0.2 A·g^(−1).

关键词： highly-porous Si/SiO_(x)anodes magnesiothermic reduction lithium ion battery

冲突归因与调节焦点对工程冲突解决行为的影响研究

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工程管理学报 2024年第4期38卷 113-117页

作者：张丽晗娄建民郭文倩徐振洋河北工业大学经济管理学院天津300130 北京交通大学经济管理学院北京100044 天津大学管理与经济学部天津300072

冲突在工程项目中难以避免,从心理角度分析冲突归因及冲突方的调节焦点如何影响其冲突解决行为。应用多元层次回归分析法分析了368份由工程项目从业人员填写的有效问卷,以检验提出的研究假设。结果表明,对冲突的内在归因促进冲突方采取... 详细信息

冲突在工程项目中难以避免,从心理角度分析冲突归因及冲突方的调节焦点如何影响其冲突解决行为。应用多元层次回归分析法分析了368份由工程项目从业人员填写的有效问卷,以检验提出的研究假设。结果表明,对冲突的内在归因促进冲突方采取合作式冲突解决行为,而稳定性归因会抑制冲突方采取合作式冲突解决行为;对冲突的稳定性归因或可控性归因均会促使冲突方采取竞争式冲突解决行为;促进调节焦点对采取合作式、竞争式冲突解决行为有促进作用,防御调节焦点对采取合作式冲突解决行为有促进作用。研究结果有助于工程项目管理者基于冲突归因和调节焦点选择恰当的冲突解决行为,以及向有利方向影响对方的冲突归因。

关键词：工程冲突冲突解决行为冲突归因调节焦点

转录组分析人工配合饲料养殖对鳜鱼肠道组织基因表达的影响

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河北渔业 2024年第5期 1-5,F0003页

作者：罗佳兴高晓田张丽晗孙砚峰吴成宾河北农业大学海洋学院河北秦皇岛066003 河北省海洋与水产科学研究院(河北省海洋渔业生态环境监测站) 河北秦皇岛066003

为探究鳜鱼(Siniperca chuatsi)肠道组织对饲料喂养的适应性,以饲料驯化30 d不吃饲料的鳜鱼和饲料驯化30 d吃饲料的鳜鱼为试验群体,基于RNA-seq技术对鳜鱼肠道组织的转录组数据进行分析。RNA-seq测序共获得41.65 Gb Clean Data, Q30碱... 详细信息

为探究鳜鱼(Siniperca chuatsi)肠道组织对饲料喂养的适应性,以饲料驯化30 d不吃饲料的鳜鱼和饲料驯化30 d吃饲料的鳜鱼为试验群体,基于RNA-seq技术对鳜鱼肠道组织的转录组数据进行分析。RNA-seq测序共获得41.65 Gb Clean Data, Q30碱基百分比在90%以上。在FDR≤0.05且︱log2FoldChange︱≥1的筛选条件下转录组测序分析共鉴定出955个差异表达基因。GO功能富集分析结果显示,差异表达基因主要在有机酸代谢过程上显著富集。KEGG通路富集分析结果显示,差异基因主要在细胞周期、PPAR信号通路等通路中被显著富集。综上所述,鳜鱼为适应饲料养殖调动了与饮食有关的信号通路基因的表达,提高鳜鱼肠道组织对人工配合饲料的消化、吸收能力。

关键词：翘嘴鳜(Siniperca chuatsi) 饲料养殖转录组

Two-in-one solution using insect wings to produce graphene-graphite films for efficient electrocatalysis

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Nano Research 2019年第1期12卷 33-39页

作者： Huaiyu Li lihan zhang Long Li Chaowen Wu Yajiao Huo Ying Chen Xijun Liu Xiaoxing Ke Jun Luo Gustaaf Van Tendeloo Center for Electron Microscopy TUT-FEI Joint LabTianjin Key Lab of Advanced Functional Porous MaterialsInstitute for New Energy Materials&Low-Carbon TechnologiesSchool of Materials Science and EngineeringTianjin University of TechnologyTianjin 300384China Institute of Microstructure and Property of Advanced Materials Beijing University of TechnologyBeijing 100124China EMAT Electron Microscopy for Materials ScienceUniversity of AntwerpGroenenborgerlaan 171B-2020 AntwerpBelgium Nanostructure Research Centre Wuhan University of TechnologyWuhan 430070China

Natural organisms contain rich elements and naturally optimized smart structures,both of which have inspired various innovative concepts and desig ns in human *** particular,several natural organisms have been used as element sources to synthesize low-cost and environmentally friendly electrocatalysts for the oxygen reduction reaction(ORR)in fuel cells and metal-air batteries,which are clean energy ***,to date,no naturally optimized smart structures have been employed in the synthesis of ORR catalysts,including graphene-based ***,we demonstrate a novel strategy to synthesize graphene-graphite films(GGFs)by heating butterfly wings coated with FeCI3 in N2,in which the full power of natural organisms is *** wings work not only as an element source for GGF generation but also as a porous supporting structure for effective nitrogen doping,two-dimensional spreading,and double-face exposure of the *** GGFs exhibit a half-wave potential of 0.942 V and a H2O2 yield of<0.07%for ORR electrocatalysis;these values are comparable to those for the best commercial Pt/C and all previously reported ORR catalysts in alkaline *** two-in-one strategy is also successful with cicada and dragonfly wings,indicating that it is a universal,green,and cost-effective method for developing high-performance graphene-based materials.

关键词： insect wings graphene graphite oxygen reduction reaction electrocatalysts

A specialized role played by a redox cofactor

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Engineering Microbiology 2022年第1期2卷 42-44页

作者： Shengling Xie lihan zhang Department of Chemistry Zhejiang UniversityHangzhou 310058Zhejiang ProvinceChina Key Laboratory of Precise Synthesis of Functional Molecules of Zhejiang Province School of ScienceWestlake University18 Shilongshan RoadHangzhou 310024Zhejiang ProvinceChina Institute of Natural Sciences Westlake Institute for Advanced Study18 Shilongshan RoadHangzhou 310024Zhejiang ProvinceChina

The redox cofactor𝛽-nicotinamide adenine dinucleotide(NAD)has been revealed to serve as a building block for the biosynthesis of an alkaloid natural product,*** biosynthetic pathway investigation identified a unique pyridoxal pyrophosphate(PLP)-dependent enzyme that utilizes NAD and S-adenosylmethionine(SAM)to build the bicyclic alkaloid scaffold,opening the door for biosynthetic studies of NAD-derived natural products.

关键词： Biosynthesis Nicotinamide adenine dinucleotide Pyridoxal phosphate-dependent enzyme Cycloaddition

Transparency and reporting characteristics of randomized controlled trials with Chinese herbal medicine formulas interventions

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FRONTIERS OF MEDICINE 2024年第4期18卷 757-761页

作者： Wang, Juan Shi, Dongni Wang, Yaochen zhang, Xuanqi Li, Han Wang, Xihong Luo, Shufeng Hu, lihan Deng, Jiashuai zhang, Lin Lau, Chung Tai Cheng, Chung Wah Han, Fei Li, Ji Wang, Ping Lyu, Aiping Bian, Zhaoxiang zhang, Xuan Hong Kong Baptist Univ Inst Res & Continuing Educ Shenzhen 518057 Peoples R China Hong Kong Baptist Univ Chinese EQUATOR Ctr Hksar 999077 Peoples R China Hong Kong Baptist Univ Sch Chinese Med Hksar 999077 Peoples R China Hong Kong Baptist Univ Ctr Chinese Herbal Med Drug Dev Hksar 999077 Peoples R China Tianjin Univ Tradit Chinese Med Sch Tradit Chinese Med Tianjin 301617 Peoples R China Beijing Univ Chinese Med Sch Chinese Med Beijing 100105 Peoples R China China Acad Chinese Med Sci Guanganmen Hosp Dept Pediat Beijing 100053 Peoples R China China Acad Chinese Med Sci Xiyuan Hosp Beijing 100091 Peoples R China

Transparency and reporting characteristics of randomized controlled trials with Chinese herbal medicine formulas interventions

关键词： Transparency reporting characteristics trials herbal medicine