检索结果-南通市图书馆

A new twist to the interplay between superconductivity and Kondo correlation

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

Science China(Physics,Mechanics & Astronomy) 2024年第8期67卷 1-2页

作者： Gui-lu long Department of Physics Tsinghua UniversityBeijing 100084China Beijing Academy of Quantum Information Sciences Beijing 100193China

Recently,Deng et al.[1] found a new twist to the intriguing physics resulting from the interplay between Kondo correlation and *** correlation [2,3] and superconductivity [4,5] are two fundamental phenomena in condens... 详细信息

关键词： Kondo twist

Toward applications of cloud quantum computation

在线全文

学校读者我要写书评

暂无评论

Science China(Physics,Mechanics & Astronomy) 2022年第11期65卷 82-83页

作者： Gui-lu long State Key Laboratory of Low-Dimensional Quantum Physics and Department of Physics Tsinghua UniversityBeijing100084China Beijing Academy of Quantum Information Science Beijing100193China Frontier Science Center for Quantum Information Beijing100084China Beijing National Research Center Information Science and Technology and School of Information Tsinghua UniversityBeijing100084China

Quantum computation has attracted much attention from both academia and the public due to its great achievements. Along with its fast development and increasing investment, a series of problems are raised. For example, can quantum supremacy be realized? Recently, several results have been reported to address the problem of sampling random circuits, accompanied by classical improvements [1-3]. Another problem worthy of note is how to use a quantum computer. Irrelevant to specific problems that can be solved by a quantum computer, this is actually a problem about how many users can conveniently access quantum computation resources.

关键词： quantum computation conveniently

同方期刊数据库

What is the wave function in quantum mechanics？

在线全文

学校读者我要写书评

暂无评论

Science Bulletin 2017年第20期62卷 1355-1356页

作者： Gui-lu long State Key Laboratory of Low-dimensional Quantum Physics and Department of Physics Tsinghua University Beijing 100084 China The Innovative Center of Quantum Matter Beijing 100084 China Tsinghua National Laboratory of Information Science and Technology Beijing 100084 China

Quantum mechanics, is a pillar of modern science and technology, and has benefited human society for a century. Quantum mechanics works well, its predictions agree amazingly well with experiments, and its mathematical... 详细信息

关键词： quantum mechanics function

Conformational Behavior of Single Circular Semiflexible Polyelectrolyte in the Presence of Multivalent Counterions

在线全文

学校读者我要写书评

暂无评论

Chinese Journal of Polymer Science 2023年第3期41卷 448-458,I0010页

作者： Zhi-Yong Yang wen-long Lin Ai-Hua Chai Dan lu Nian-Qian Kang Lin-Xi Zhang Department of Physics Jiangxi Agricultural UniversityNanchang 330045China lucheng College Wenzhou PolytechnicWenzhou 325006China College of data science Jiaxing UniversityJiaxing 314001China Department of Physics Zhejiang UniversityHangzhou 310027China

Langevin dynamics simulations are employed to explore the effects of chain stiffness and electrostatic interaction(EI) on the conformational behavior of a circular semiflexible polyelectrolyte(CSPE) in presence of trivalent *** investigate the effect of bending energy b and the dimensionless Bjerrum length A on the conformational behavior of the CSPE with a fixed chain *** competition among the EIs,chain stiffness and entropy of the system leads to rich conformations for the *** the b is less than or equal to 50,The shape of the CSPE changes from a oblate ring to a rod at small A,then to a toroid at intermediate A,and finally to a globule at very large ***,the globular conformation is not observed for large *** addition,we find that the number of torus ring increases with A increase,while decreases with b *** study should be helpful in gaining insight into the conformational behaviour of charged biopolymer.

关键词： Langevin dynamics simulation Circular semiflexible polyelectrolyte Trivalent counterions Electrostatic interaction

A review of mechanism and technology of vanadium extraction from strategic mineral black shale

在线全文

学校读者我要写书评

暂无评论

Rare Metals 2024年第12期43卷 6183-6200页

作者： Yuan-Hang lu Jian-Kang wen Xiao-Lan Mo Xin-long Yang wen-Cheng Gao Hong-Ying Yang National Engineering Research Center for Environment-Friendly Metallurgy in Producing Premium Non-Ferrous Metals China GRINM Group Co. Ltd. School of Metallurgy Northeastern University GRINM Resources and Environment Tech.Co. Ltd. General Research Institute for Nonferrous Metals Beijing Engineering Research Center of Strategic Nonferrous Metals Green Manufacturing Technology GRIMAT Engineering Institute Co. Ltd.

Black shale represents' a unique and strategic vanadium resource in China,accounting for ～90% of the nation's vanadium *** complex forms of occurrence of vanadium in black shale,particularly its incorporation into aluminosilicate mica via isomorphism,render it tightly bound and challenging to *** the backdrop of green metallurgy and the "Double Carbon" initiative,methodologies such as the new roasting process,the whole hydrometallurgical process,and biological leaching have been developed,with their mechanisms thoroughly *** review examines the mechanisms of each process,highlighting that enhanced vanadium leaching is primarily achieved by disrupting the covalent bonds in vanadium-containing mica or by oxidizing lower-valence ***,the leaching mechanism of autotrophic microorganisms for black shale remains *** from various studies,a mechanism involving the cooperative action of iron-oxidizing and sulfur-oxidizing bacteria in the leaching of black shale is proposed.A comparative analysis of these enhancement processes reveals that microbial technology offers benefits such as environmental sustainability,low carbon footprint,minimal pollution,and scalability,marking it a promising area for research and ***,the technological processes and mechanisms underlying microbial leaching of black shale require further *** studies should focus on developing highly efficient leaching bacteria,exploring the synergistic effects between microorganisms and examining the mechanisms of biological leaching to provide technical and theoretical foundations for efficient and eco-friendly microbial extraction of vanadium from black shale.

关键词： Extraction

Integrated intrusion detection model based on artificial immune

在线全文

同方期刊数据库

学校读者我要写书评

暂无评论

The Journal of China Universities of Posts and Telecommunications 2014年第2期21卷 83-90页

作者： ZHANG Ling BAI Zhong-ying lu Yun-long ZHA Ya-xing LI Zhen-wen School of Computer Science Beijing University of Posts and Telecommunications Zhengzhou University of Light Industry

The author puts forward an integrated intrusion detection （ID） model based on artificial immune （IIDAI）, a vaccination strategy based on the significance degree of genes and a method to generate initial memory antibodies with rough set （RS）. IIDAI integrates two kinds of intrusion detection mode： misuse detection and anonymous detection. Misuse detection and anonymous detection are applied to detect the known and the unknown attacks, respectively. On the basis of IIDAI model, an ID algorithm is presented. Simulation shows that the IIDAI has better performance than traditional ID methods in feasibility and effectiveness. It is very prone to achieve a higher convergence rate by using the vaccination strategy. Moreover, RS can remove the redundancy attributes and increase the detection speed. It can also increase detection rate by applying the integrated method.

关键词： ID RS artificial immune vaccination

Factorization of radiative leptonic D-meson decay with sub-leading power corrections

在线全文

学校读者我要写书评

暂无评论

Chinese Physics C 2021年第7期45卷 20-30页

作者： long-Sheng lu School of Physics Nankai University300071 TianjinChina

In this work,we calculate the sub-leading power contributions to radiative leptonic D→γν*** the first time,we provide the analytic expressions of next-to-leading power contributions and the error estimation associated with the power expansion of O(∧_(QCD)/m_(c)).In our calculation,we adopt two different models of the D-meson distribution amplitudesφ^(+)_(D,Ⅰ)andφ^(+)_(DⅡ).Within the framework of QCD factorization as well as the dispersion relation,we evaluate the soft contribution up to the next-to-leading logarithmic accuracy and also consider the higher-twist contribution from the two-particle and three-particle distribution ***,we find that all the sub-leading power contributions are significant atλd(μ0)354 MeV,and the next-to-leading power contributions lead to 143%inφ^(+)_(D,Ⅰ)and 120%inφ^(+)_(DⅡ)corrections to leading power vector form factors with Eγ=0.5 *** the corrections from the higher-twist and local sub-leading power contributions are enhanced with increasing inverse moment,it is difficult to extract an appropriate inverse moment of the D-meson distribution *** predicted branching fractions are(1.88^(+0.36)_(0.29))×10^(-5)forφ^(+)_(D,Ⅰ)and(2.31^(+0.65)_(-0.54))×10^(-5)forφ^(+)_(DⅡ).

关键词： factorization D-meson radiative leptonic decay sub-leading power correction

Recent progress in the applications of presynaptic dopaminergic positron emission tomography imaging in parkinsonism

在线全文

学校读者我要写书评

暂无评论

Neural Regeneration Research 2025年第1期20卷 93-106页

作者： Yujie Yang Xinyi Li Jiaying lu Jingjie Ge Mingjia Chen Ruixin Yao Mei Tian Jian Wang Fengtao Liu Chuantao Zuo Key Laboratory of Arrhythmias Ministry of EducationDepartment of Medical GeneticsShanghai East HospitalSchool of MedicineTongji UniversityShanghaiChina Department of Neurology National Research Center for Aging and MedicineNational Center for Neurological Disordersand State Key Laboratory of Medical NeurobiologyHuashan HospitalFudan UniversityShanghaiChina Department of Nuclear Medicine&PET Center National Center for Neurological Disordersand National Clinical Research Center for Aging and MedicineHuashan HospitalFudan UniversityShanghaiChina International Human Phenome Institutes(Shanghai) ShanghaiChina Human Phenome Institute Fudan UniversityShanghaiChina

Nowadays,presynaptic dopaminergic positron emission tomography,which assesses deficiencies in dopamine synthesis,storage,and transport,is widely utilized for early diagnosis and differential diagnosis of *** review provides a comprehensive summary of the latest developments in the application of presynaptic dopaminergic positron emission tomography imaging in disorders that manifest *** conducted a thorough literature search using reputable databases such as PubMed and Web of *** criteria involved identifying peer-reviewed articles published within the last 5 years,with emphasis on their relevance to clinical *** findings from these studies highlight that presynaptic dopaminergic positron emission tomography has demonstrated potential not only in diagnosing and differentiating various Parkinsonian conditions but also in assessing disease severity and predicting ***,when employed in conjunction with other imaging modalities and advanced analytical methods,presynaptic dopaminergic positron emission tomography has been validated as a reliable in vivo *** validation extends to screening and exploring potential neuropathological mechanisms associated with dopaminergic *** summary,the insights gained from interpreting these studies are crucial for enhancing the effectiveness of preclinical investigations and clinical trials,ultimately advancing toward the goals of neuroregeneration in parkinsonian disorders.

关键词： aromatic amino acid decarboxylase brain imaging dopamine transporter Parkinson’s disease parkinsonism positron emission tomography presynaptic dopaminergic function vesicle monoamine transporter type 2

Perilipin-2 mediates ferroptosis in oligodendrocyte progenitor cells and myelin injury after ischemic stroke

在线全文

学校读者我要写书评

暂无评论

Neural Regeneration Research 2025年第7期20卷 2015-2028页

作者： Jian Yang Jiang Wu Xueshun Xie Pengfei Xia Jinxin lu Jiale Liu Lei Bai Xiang Li Zhengquan Yu Haiying Li Department of Neurosurgery&Brain and Nerve Research Laboratory The First Affiliated Hospital of Soochow UniversitySuzhouJiangsu ProvinceChina Institute of Stroke Research Soochow UniversitySuzhouJiangsu ProvinceChina

Differentiation of oligodendrocyte progenitor cells into mature myelin-forming oligodendrocytes contributes to *** of remyelination due to oligodendrocyte progenitor cell death can result in severe nerve *** is an iron-dependent form of regulated cell death caused by membrane rupture induced by lipid peroxidation,and plays an important role in the pathological process of ischemic ***,there are few studies on oligodendrocyte progenitor cell *** analyzed transcriptome sequencing data from GEO databases and identified a role of ferroptosis in oligodendrocyte progenitor cell death and myelin injury after cerebral *** analysis suggested that perilipin-2(PLIN2)was involved in oligodendrocyte progenitor cell ***2 is a lipid storage protein and a marker of hypoxia-sensitive lipid droplet *** further investigation,we established a mouse model of cerebral ischemia/*** found significant myelin damage after cerebral ischemia,as well as oligodendrocyte progenitor cell death and increased lipid peroxidation levels around the infarct *** ferroptosis inhibitor,ferrostatin-1,rescued oligodendrocyte progenitor cell death and subsequent myelin *** also found increased PLIN2 levels in the peri-infarct area that co-localized with oligodendrocyte progenitor ***2 knockdown rescued demyelination and improved neurological *** findings suggest that targeting PLIN2 to regulate oligodendrocyte progenitor cell ferroptosis may be a potential therapeutic strategy for rescuing myelin damage after cerebral ischemia.

关键词： bioinformatics bulk RNA sequencing ferroptosis ischemic stroke myelin injury oligodendrocyte progenitor cell perilipin-2 single-cell RNA sequencing