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Food Science and Human Wellness 2024年第1期13卷 381-391页

作者： Haocheng Lu Binhao Cheng Yibin Lan changqing Duan Fei He Center for Viticulture and Enology College of Food Science and Nutritional EngineeringChina Agricultural UniversityBeijing 100083China Key Laboratory of Viticulture and Enology Ministry of Agriculture and Rural AffairsBeijing 100083China

Aging in oak barrels is widely used in enology which could bring flavor changes and aromatic complexity to *** the present study,the aroma compounds were analyzed from the‘Merlot’dry red wines,which were fermented in two types of fermenters(stainless steel tank and rotated oak barrel)and aged in six types of oak barrels(three geographic origins×two toasting degrees)for different time(0,3,6 and 9 months,respectively).Results showed that 30 volatiles were associated with barrels and increased during oak *** fermenters could influence the intensities of the toast,leathery,smoky,fruity,floral and caramel *** concentration of whisky lactone,eugenol,cis-isoeugenol,and the intensities of the toast and spicy aromas were highest in the wines aged in American oak and were lowest in the wines aged in French oak *** concentrations of guaiacol,syringol,trans-isoeugenol,furfural alcohol,vanilla,cis-whisky lactone enabled the medium toasting barrels to be distinguished from the light toasting *** compounds originating from the barrels could be used to distinguish the types of different barrels,but the other general grape-derived and fermentation-derived volatiles could *** fermenters,oak species and toasting degrees of the barrels all had significant effects on the aroma profiles of the aged‘Merlot’dry red wines,but the influence of the geographic origin was not obvious.

关键词： Wine Aroma Oak Barrel Oak species Toasting degrees Geographic origin Aging

Excess pore pressure behavior and evolution in deep coalbed methane reservoirs

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International Journal of Mining Science and Technology 2024年第6期34卷 763-781页

作者： changqing Liu Zhaobiao Yang Yong Qin Xia Yan Yunhai Wang Zhe Wang Key Laboratory of Coalbed Methane Resources and Reservoir Formation Process Ministry of EducationChina University of Mining and TechnologyXuzhou 221008China School of Resources and Geosciences China University of Mining and TechnologyXuzhou 221116China National Engineering Research Center of Coalbed Methane Development&Utilization Beijing 100095China PetroChina Coalbed Methane Company Limited Beijing 102200China SINOPEC East China Oil and Gas Company Nanjing 210000China

Deep coalbed methane(DCBM),an unconventional gas reservoir,has undergone significant advancements in recent years,sparking a growing interest in assessing pore pressure dynamics within these *** some production data analysis techniques have been adapted from conventional oil and gas wells,there remains a gap in the understanding of pore pressure generation and evolution,particularly in wells subjected to large-scale hydraulic *** address this gap,a novel technique called excess pore pressure analysis(EPPA)has been introduced to the coal seam gas industry for the first time to our knowledge,which employs dual-phase flow principles based on consolidation *** technique focuses on the generation and dissipation for excess pore-water pressure(EPWP)and excess pore-gas pressure(EPGP)in stimulated deep coal *** have been developed respectively and numerical solutions have been provided using the finite element method(FEM).Application of this model to a representative field example reveals that excess pore pressure arises from rapid loading,with overburden weight transferred under undrained condition due to intense hydraulic fracturing,which significantly redistributes the weight-bearing role from the solid coal structure to the injected fluid and liberated gas within artificial pores over a brief ***,field application indicates that the dissipation of EPWP and EPGP can be actually considered as the process of well production,where methane and water are extracted from deep coalbed methane wells,leading to consolidation for the artificial ***,history matching results demonstrate that the excess-pressure model established in this study provides a better explanation for the declining trends observed in both gas and water production curves,compared to conventional practices in coalbed methane reservoir engineering and petroleum *** research not only enhances the understanding of DCBM re

关键词： Deep coalbed methane Consolidation Excess pore-water pressure Excess pore-gas pressure Production data analysis

追寻与守望:乡村题材电影叙事中的现代性和传统性的结构性冲突

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南京艺术学院学报（音乐与表演版） 2008年第4期 114-120页

作者：金昌庆南京艺术学院传媒学院江苏南京210013

作为全球化语境中的中国1980年以来的乡村电影的叙事,总是呈现为现代性追寻与现代性反思、传统性反思与传统性追寻的多重纠葛状态,一方面展现改革开放以后中国人在现代化转型中的场景和心态,形成了有关理性、自由、发展、进步、富裕的... 详细信息

作为全球化语境中的中国1980年以来的乡村电影的叙事,总是呈现为现代性追寻与现代性反思、传统性反思与传统性追寻的多重纠葛状态,一方面展现改革开放以后中国人在现代化转型中的场景和心态,形成了有关理性、自由、发展、进步、富裕的追寻现代性的宏大叙事,许多人物形象表现出对现代性渴望;另一方面,乡村题材电影的叙事表现出对"现代性后果"的反思和对失根状况的体认,出现了一些认同传统性的叙事模式。

关键词：乡村题材电影叙事现代性传统性

The Crested Ibises expanding to plain areas exhibit a higher tolerance of human proximity

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Avian Research 2024年第1期15卷 60-65页

作者： Yuqi Zou Yiting Jiang Zitan Song Xiaobin Fang changqing Ding School of Ecology and Nature Conservation Beijing Forestry UniversityBeijing100083China Department of Biology University of KonstanzKonstanz78464Germany Center for the Advanced Study of Collective Behavior University of KonstanzKonstanz78464Germany School of Life Sciences Liaoning UniversityShenyang110036China Comparative Socioecology Group Max Planck Institute for Animal BehaviorKonstanz78467Germany

Animals must strike a balance between anti-predation behavior and other essential behaviors,such as *** the same species,strategies may vary on individuals’risk-taking preferences,and in this process the environment is a determinant,in addition to predator *** Crested Ibis(Nipponia nippon)exhibits such *** is an endangered species,once inhabiting exclusively in China’s Qinling *** used to be the sole remaining wild ***,over recent decades,this population has expanded.A portion has relocated to breed in the lower plain area,which is characterized by elevated level of human activities and landscape *** used flight initiation distance(FID)as an indicator of the ibises’risk-taking preference,particularly their response to human ***,we examined the environmental factors influencing their foraging site selection,including altitude,terrain openness,human activity intensity and human *** findings revealed a significantly shorter FID among individuals relocating to plain habitats,indicating a higher tolerance of human *** results showed that FID decreased with distance to the nearest human *** finding is that FID was independent of instant human activity intensity and environmental factors(altitude and terrain openness).These different may arise from various combinations of human activity,predation risk,and food abundance within the two *** results provide insights into the in situ conservation of the threatened species within the context of global urbanization.

关键词： Anti-predation behavior Flight initiation distance Habitat expansion Human activity Nipponia nippon

Translating bacteriophage-derived depolymerases into antibacterial therapeutics:Challenges and prospects

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Acta Pharmaceutica Sinica B 2024年第1期14卷 155-169页

作者： Honglan Wang Yannan Liu changqing Bai Sharon Shui Yee Leung School of Pharmacy the Chinese University of Hong KongHong Kong SARChina Emergency Medicine Clinical Research Center Beijing Chao-Yang HospitalCapital Medical UniversityBeijing 100020China Department of Respiratory Shenzhen University General HospitalShenzhen University Clinical Medical AcademyGuangdong 518055China

Predatory bacteriophages have evolved a vast array of depolymerases for bacteria capture and *** depolymerases are enzymes responsible for degrading diverse bacterial surface *** are exploited as antibiofilm agents and antimicrobial adjuvants while rarely inducing bacterial resistance,making them an invaluable asset in the era of antibiotic *** depolymerases have been investigated preclinically,with evidence indicating that depolymerases with appropriate dose regimens can safely and effectively combat different multidrug-resistant pathogens in animal infection ***,some formulation approaches have been developed for improved stability and activity of ***,depolymerase formulation is limited to liquid dosage form and remains in its infancy,posing a significant hurdle to their clinical translation,compounded by challenges in their applicability and *** development must address these obstacles for clinical ***,after unravelling the history,diversity,and therapeutic use of depolymerases,we summarized the preclinical efficacy and existing formulation findings of recombinant ***,the challenges and perspectives of depolymerases as therapeutics for humans were assessed to provide insights for their further development.

关键词： Phage-derived polysaccharide depolymerases Bacteriophage proteins Bacterial capsules Polysaccharide capsules Antibiotic resistance Biofilms Antibacterial therapy Antimicrobial adjuvants Combination treatment

Colossal negative magnetoresistance in spin glass Na(Zn,Mn)Sb

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Journal of Semiconductors 2023年第3期44卷 62-67页

作者： Shuang Yu Yi Peng Guoqiang Zhao Jianfa Zhao Xiancheng Wang Jun Zhang Zheng Deng changqing jin Beijing National Laboratory for Condensed Matter Physics and Institute of PhysicsChinese Academy of SciencesBeijing 100190China School of Physics University of Chinese Academy of SciencesBeijing 100190China

We report the study of magnetic and transport properties of polycrystalline and single crystal Na(Zn,Mn)Sb,a new member of“111”type of diluted magnetic *** material crystallizes into Cu2Sb-type structure which is isostructural to“111”type Fe-based *** suitable carrier and spin doping,the Na(Zn,Mn)Sb establishes spin-glass ordering with freezing temperature(Tf)below 15 *** lack of long-range ferromagnetic ordering,Na(Zn,Mn)Sb single crystal still shows sizeable anomalous Hall effect below *** concentration determined by Hall effect measurements is over 1019 *** significantly,we observe colossal negative magnetoresistance(MR≡[ρ(H)−ρ(0)]/ρ(0))of-94%in the single crystal sample.

关键词： colossal negative magnetoresistance spin glass diluted magnetic materials

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“原型显影”:科幻电影中洞穴空间的呈现

电影评介 2020年第15期 1-4页

作者：金昌庆南京艺术学院传媒学院

科幻电影是人类认识自然、探索自然、征服自然的影像呈现,是人类想象力、创造力的结晶,往往与人类的日常生活拉开一定的距离,是人类丰富的心灵世界的折射。科幻电影中的洞穴空间往往既是物质的空间,又寓意心理空间,而且具有强烈的原型... 详细信息

科幻电影是人类认识自然、探索自然、征服自然的影像呈现,是人类想象力、创造力的结晶,往往与人类的日常生活拉开一定的距离,是人类丰富的心灵世界的折射。科幻电影中的洞穴空间往往既是物质的空间,又寓意心理空间,而且具有强烈的原型特质。在丰富的科幻电影创作中,洞穴空间是重要的叙事空间,蕴含着人类深层的文化内涵,因此有从原型批评视角深入探讨的必要。

关键词：科幻电影影像呈现叙事空间心灵世界心理空间批评视角洞穴想象力

Superconductivity of a cuprate with compressed local octahedron

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Science China(Physics,Mechanics & Astronomy) 2019年第3期62卷 111-113页

作者： WenMin Li LiPeng Cao JianFa Zhao XianCheng Wang RunZe Yu YouWen Long QingQing Liu changqing jin Institute of Physics Chinese Academy of Sciences School of Physics University of Chinese Academy of Sciences Collaborative Innovation Center of Quantum Matter

Since the historical discovery of high Tc superconductivity(HTS)of La2CuO4 in 1986[1],the superconductivity me chanism of copper oxides remains one of the biggest mysteries in the field of condensed matter physics[2-10].High-Tc cuprates crystallize into layered perovskite structure,as well as copper oxygen octahedron *** octahedron symmetry,the 3d orbitals of Cu^2+with a 3d^9 configuration degenerate into two top eg and three lower t2g orbitals.

关键词： Superconductivity cuprate compressed local octahedron

Long-Time Magnetic Relaxation in Antiferromagnetic Topological Material EuCd_(2)As_(2)

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Chinese Physics Letters 2021年第7期38卷 96-105页

作者： Yang Wang Cong Li Yong Li Xuebo Zhou Wei Wu Runze Yu Jianfa Zhao Chaohui Yin Youguo Shi changqing jin Jianlin Luo Lin Zhao Tao Xiang Guodong Liu X.J.Zhou Beijing National Laboratory for Condensed Matter Physics and Institute of PhysicsChinese Academy of SciencesBeijing 100190China University of Chinese Academy of Sciences Beijing 100049China Songshan Lake Materials Laboratory Dongguan 523808China Beijing Academy of Quantum Information Sciences Beijing 100193China

Magnetic topological materials have attracted much attention due to the correlation between topology and *** studies suggest that EuCd_(2)As_(2) is an antiferromagnetic topological *** by carrying out thorough magnetic,electrical and thermodynamic property measurements,we discover a long-time relaxation of the magnetic susceptibility in EuCd_(2)As_(2).The(001)in-plane magnetic susceptibility at 5 K is found to continuously increase up to∼10%over the time of∼14 *** magnetic relaxation is anisotropic and strongly depends on the temperature and the applied magnetic *** results will stimulate further theoretical and experimental studies to understand the origin of the relaxation process and its effect on the electronic structure and physical properties of the magnetic topological materials.

关键词： relaxation susceptibility magnetic