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COMMENTS ON THE HIGH SPIN SPECTROSCOPY OF ^(163)Lu

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Chinese Physics Letters 1990年第11期7卷 481-484页

作者： chen Yongshou YANG Chunxiang Institute of Atomic Energyt Beijing 102413

The new striking feature of anomalously low second band crossing frequency observed in 163Lu is interpreted as the shape variation with,the quasiparticle(q.p.)configurations as a resuft of the deformation driving of the rotating ***-j orbits・On the assumption that the crossing frequency is basically determined by an average over deformations before and after tke crossing,tke experimental data is reproduced very well by tke present model calculation.

关键词： calculation rotating assumption

Effects of strain, body mass, and thread tip preparation on the establishment of focal cerebral ischemia mouse models

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Neural Regeneration Research 2008年第1期3卷 61-65页

作者： Xuemei chen Yun Xu Department of Neurology Gulou Hospital Affiliated to Medical College Nanjing University Nanjing 210008 Jiangsu Province China

BACKGROUND： What are the successful factors of the establishment of the thread-blocking method for focal cerebral ischemia/reperfusion mouse models？ OBJECTIVE： To study the effects of strain, body mass, and thread tip preparation for the establishment of focal cerebral ischemia mouse models by using middle cerebral artery occlusion （MCAO）. DESIGN： Observational contrast animal study. SETTING： Gulou Hospital, Medical College of Nanjing University. MATERIALS：（1） The following experiment was performed at the Animal Experimental Center, Gulou Hospital Affiliated to Medical College of Nanjing University from December 2006 to April 2007. Sixty male white Kunming mice, whose body masses were 18-22 g （n =40）, 25-29 g （n =10） and 30-33 g （n =10）, as well as 10 male C57BL/6J mice, whose body mass was 18-22 g, were provided by the Animal Experimental Center, Gulou Hospital Affiliated to Medical College of Nanjing University. All mice were 10-12 weeks old. The project received confirmed consent from the local ethics committee. （2）Experimental materials： tripheryltetrazolium hydrochloride （TTC） and 0.1% poly-L-lysine were provided by Sigma Company, USA; citromint was provided by Shanghai Lingfeng Chemical Company Limited. METHODS：（1） Strain comparison： Ten white Kunming mice （weighing 18-22 g） and ten C57BL/6J mice （weighing 18 - 22 g） were selected. （2） Comparison of body mass： Thirty white Kunming mice, whose body masses were 18-22 g （n =10）, 25-30 g （n =10）, and 30-35 g （n =10）, were divided into groups. （3） Comparison of thread tip preparation： White Kunming mice weighing 18-22 g were divided into a poly-L-lysine line group and general line group, with 10 mice in each group. Mice in these two groups, which were respectively treated with poly-L-lysine or nothing, underwent MCAO. （4） All experimental mice received MCAO. Three hours after ischemia, and 24 hours after reperfusion, neurological deficit scores were measured and a success rate of model establishment was calculate

关键词： mice ischemia/reperfusion animal model thread-blocking method

Synthesis of 2-Methylenesuccinimides Modified by Germatranes

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Chinese Chemical Letters 1996年第11期7卷 989-990页

作者： Zhang, ZB chen, RY NANKAI UNIV INST ELEMENTOORGAN CHEMTIANJIN 300071PEOPLES R CHINA

A series of 2-methylenesuccinimides modified by germatranes were synthesized br two methods. The structures of products were confirmed by (1)HNMR, IR elemental analysis, and X-ray diffraction.

关键词： Synthesis of 2-Methylenesuccinimides Modified by Germatranes

B7S1, a novel candidate for anti-tumor checkpoint blockade immunotherapy

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Science China(Life Sciences) 2018年第9期61卷 1132-1134页

作者： Xiangyu chen Lilin Ye Institute of Immunology Third Military Medical University

Antigen-specific CD8＋T cells play a critical role in eradicating transformed or virally infected cells. Upon recognition of cancerous or viral originated peptides, presented by antigen-presenting cells （APCs） in the form of peptide-MHC class I complex, CD8＋T cells become activated, rapidly and extensively proliferate and differentiate into functionally competent effector cells. Following successfully and timely clearing transformed or virally infected cells, the majority of effector CD8＋Tcells die of apoptosis. Concomitantly a small fraction （around 5%-10%） of effector CD8＋T cells survive and progressively differentiate into long-lived and self-renewable memory CD8＋T cells.

关键词： HCC a novel candidate for anti-tumor checkpoint blockade immunotherapy PD ICB Figure CD

Active and switchable thermal control

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Science China(Physics,Mechanics & Astronomy) 2022年第11期65卷 80-81页

作者： chenhan Liu Yunfei chen Micro-and Nano-scale Thermal Measurement and Thermal Management Laboratory School of Energy and Mechanical EngineeringNanjing Normal UniversityNanjing210046China Jiangsu Key Laboratory for Numerical Simulation of Large-Scale Complex Systems Nanjing Normal UniversityNanjing210046China Jiangsu Key Laboratory for Design and Manufacture of Micro-Nano Biomedical Instruments School of Mechanical EngineeringSoutheast UniversityNanjing211100China

In the past century, actively controlling electron transport has led to unprecedented advances in the digital world. Controlling phonon(i.e., thermal) transport like electron transport is a current topic of interest. To realize active and switchable thermal control(Figure 1), numerous studies have been conducted recently due to the emerging challenges in the fields of thermal management, heating and refrigeration.

关键词： thermal transport Figure

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A Case Study on the Occurrence and Mobility of the Shale Oil from the Muli Coalfield,Qilian Mountain

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Acta Geologica Sinica(English Edition) 2016年第6期90卷 2267-2268页

作者： chen Xiaohui ZHANG Min Key Laboratory of Exploration Technology for Oil & Gas Research Yangtze UniversityMinistry of Education College of Resources and Environment Yangtze University

Shale oil occurs in free state （including condensate state）, adsorption state （adsorbed on kerogen and mineral particles） and dissolved state （dissolved in natural gas, residual water, etc.） in shales and adjacent layers. The characterization of the occurrence of different hydrocarbons in shale oil, especially the quantitative separation of free hydrocarbons （mobile oil）, has been the current focus of shale oil research. Taken the shale oil from the Muli coalfield in Qilian Mountain as an example, this work extracted shale samples with organic solvents of different polarity to obtain different occurrence states of hydrocarbons in the oil-bearing shale and to reveal the compositional differences of the hydrocarbons. The result may provide new geochemical information for the occurrence and mobility of shale oil.

关键词： than EOM A Case Study on the Occurrence and Mobility of the Shale Oil from the Muli Coalfield,Qilian Mountain

Space-based information service in Internet Plus Era

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Science China(Information Sciences) 2017年第10期60卷 229-238页

作者： Deren LI Xin SHEN Nengcheng chen Zhifeng XIAO State Key Laboratory of Information Engineering in Surveying Mapping and Remote SensingWuhan University

"Internet Plus" represents a new form of society that provides a vast platform for reform, innovation,and development. Given the continued integration of the Internet in many fields, Internet Plus is profoundly transforming and influencing a variety of traditional industries. Internet Plus has created conditions favorable for the transformation of earth observation and satellite navigation into an intelligent and real-time geospatial information service. The authors propose that in order to implement continuous, all-weather, all-terrain services for the specific purposes of each individual, it will be necessary to overcome the flaws in existing space-based information systems, such as limited regional coverage, slow response, and weak interoperability. Furthermore, to meet the Big Data Era’s geospatial information service requirements, an "Internet Plus Space-Based Information Service" system, intrinsically linked to ground Internet networks, will have to be constructed. With reference to the developments of aerospace information technology, this paper discusses three levels of the proposed structure of the Internet Plus space-based information service system and ideas for its implementation. Finally,in recognition of the demands facing the Internet Plus space-based information service system, the prospects for geomatics and important supporting technologies are examined.

关键词： Internet Plus space-based information service space information network satellite remote sensing satellite navigation satellite communication

Morphological studies of six free-living spirotrichean ciliates (Protozoa： Ciliophora) with three new records from the coastal South China Sea

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Acta Oceanologica Sinica 2018年第10期37卷 86-90页

作者： chen Xumiao XU Kuidong Department of Marine Organism Taxonomy and Phylogeny Institute of Oceanology Chinese Academy of Sciences Qingdao 266071 China Laboratory for Marine Biology and Biotechnology Pilot National Laboratory for Marine Science and Technology (Qingdao) Qingdao 266237 China University of Chinese Academy of Sciences Beijing 100049 China

The living morphology and infraciliature of six spirotrichous ciliates collected from the coastal South China Sea were investigated using live observation and protargol impregnation. These are Euplotes woodruffi Gaw, 1939, Hemigastrostyla enigmatica （Dragesco and Dragesco-Kerneis, 1986） Song and Wilbert, 1997, Neourostylopsis flavicana （Wang et al., 2011） chen et al., 2013, Protogastrostyla pulchra （Perejaslawzewa, 1886） Gong et al., 2007, Pseudoamphisiella alveolata （Kahl, 1932） Song and Warren, 2000, and PseudokahlieUa marina （Foissner et al., 1982） Berger et al., 1985. Among these, Protogastrostyla pulchra, Pseudoamphisiella alveolata and PseudokahlieUa marina are reported from the South China Sea for the first time, which manifest obvious differences apart from other Chinese populations. As new contribution, the detailed description of isolates from mangrove habitat of E. woodruffi and 1t. enigmatica, and aquaculture pond isolate of ***, are present.

关键词： South China Sea new record ciliates Spirotrichea taxonomy

Quantifying quantum entanglement via machine learning models

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Communications in Theoretical Physics 2024年第7期76卷 52-56页

作者： Changchun Feng Lin chen LMIB(Beihang University) Ministry of EducationBeijing 100191China School of Mathematical Sciences Beihang UniversityBeijing 100191China International Research Institute for Multidisciplinary Science Beihang UniversityBeijing 00191China

Quantifying entanglement measures for quantum states with unknown density matrices is a challenging *** learning offers a new perspective to address this *** training machine learning models using experimentally measurable data,we can predict the target entanglement *** this study,we compare various machine learning models and find that the linear regression and stack models perform better than *** investigate the model's impact on quantum states across different dimensions and find that higher-dimensional quantum states yield better ***,we investigate which measurable data has better predictive power for target entanglement *** correlation analysis and principal component analysis,we demonstrate that quantum moments exhibit a stronger correlation with coherent information among these data features.

关键词： quantum information entanglement predict machine learning coherence