检索结果-南通市图书馆

Dynamical effects of spin-dependent interactions in low- and intermediate-energy heavy-ion reactions

Frontiers of physics 2015年第6期10卷 7-22页

作者： Jun Xu Bao-An Li wen-qing shen Yin Xia Shanghai Institute of Applied Physics Chinese Academy of Sciences Shanghai 201800 China Kavli Institute for Theoretical Physics China Chinese Academy of Sciences Beijing 100190 China Department of Physics and Astronomy Texas A&M University Commerce Commerce TX 75429-3011 USA University of Chinese Academy of Sciences Beijing 100049 China

It is well known that noncentral nuclear forces, such as the spin-orbital coupling and the tensor force, play important roles in understanding many interesting features of nuclear structures. However, their dynamical effects in nuclear reactions are poorly known because only the spin-averaged observables are normally studied both experimentally and theoretically. Realizing that spin-sensitive observables in nuclear reactions may convey useful information about the in-medium properties of noncentral nuclear interactions, besides earlier studies using the time-dependent Hartree-Fock approach to understand the effects of spin-orbital coupling on the threshold energy and spin polarization in fusion reactions, some efforts have been made recently to explore the dynamical effects of noncentral nuclear forces in intermediate-energy heavy-ion collisions using transport models. The focus of these studies has been on investigating signatures of the density and isospin dependence of the form factor in the spin-dependent single-nucleon potential. Interestingly, some useful probes were identified in the model studies but so far there are still no data to compare with. In this brief review, we summarize the main physics motivations as well as the recent progress in understanding the spin dynamics and identifying spin-sensitive observables in heavy-ion reactions at intermediate energies. We hope the interesting, important, and new physics potentials identified in the spin dynamics of heavy-ion collisions will stimulate more experimental work in this direction.

关键词： heavy-ion collisions transport model spin-orbit interaction tensor force polarization

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Address at the Opening Session of the International Seminar on Atomic and Nuclear Interdisciplinary Physics

引用

复旦学报（自然科学版） 2007年第1期46卷 1-2页

作者： wen-qing shen academician of the chinese Academy of Sciences

Dear Professor Yang Fujia and our noble quests from home and abroad. Good morning, ladies and gentlemen. I would like to extend my warmest congratulations to the opening of the ＂International Seminar on Atomic and Nuclear Interdisciplinary Physics＂, and my special congratulations on the 70~(th) birthday of Professor Yang Fujia.

关键词：原子核物理国际研讨会杨福家 70周年诞辰纪念

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Dynamic-mechanical analysis and SEM morphology of wood flour/polypropylene composites

引用

Journal of Forestry Research 2006年第4期17卷 315-318页

作者： GUO Chui-gen SONG Yong-ming WANG qing-wen shen Chang-sheng MOE Key Laboratory of Bio-based Material Science and Technology Northeast Forestry University Harbin 150040 P. R. China

A study was conducted to investigate the effects of compatibilizers, including Maleic anhydride grafted polypropylene （MA-PP） and maleic anhydride grafted ethylene-propylene-diene copolymer （MA-EPDM）, on wood-flour/polypropylene （WF/PP） composites. WF/PP composites were prepared by direct extrusion profiles using a twin-screw/single-screw extruder system. DMA analysis showed that the loss factor of composites decreased and the storage modulus improved in the presence of MA-PP, which indicated much better interfacial adhesion between the PP matrix and wood flour filler than in the absence of compatibilizer. Morphological feature based on SEM observation showed that MA-PP and MA-EPDM improved the dispersion of the wood particles in the plastic matrix. MA-EPDM is a soft segment, although it improved the interfacial adhesion, storage modulus decreases with adding of MA-EPDM. As compatibilizer of wood-flour/polypropylene composites, both DMA analysis and SEM feature proved that MA-PP was superior to MA-EPDM.

关键词： Wood flour Polypropylene Composites Dynamic-mechanical analysis

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Commissioning of laser electron gamma beamline SLEGS at SSRF

引用

Nuclear Science and Techniques 2022年第7期33卷 103-114页

作者： Hong-Wei Wang Gong-Tao Fan Long-Xiang Liu Hang-Hua Xu wen-qing shen Yu-Gang Ma Hiroaki Utsunomiya Long-Long Song Xi-Guang Cao Zi-Rui Hao Kai-Jie Chen sheng Jin Yu-Xuan Yang Xin-Rong Hu Xin-Xiang Li Pan Kuang Shanghai Advanced Research Institute Chinese Academy of SciencesShanghai201210China Shanghai Institute of Applied Physics Chinese Academy of SciencesShanghai201800China University of Chinese Academy of Science Beijing100049China Fudan University Shanghai200433China Department of Physics Konan UniversityKobe658-8501Japan ShanghaiTech University Shanghai201210China Zhengzhou University Zhengzhou450001China

The Shanghai Laser Electron Gamma Source(SLEGS)is a powerful gamma source that provides MeV gamma-ray beams for nuclear science and *** was developed as one of the 16 beamline stations in the Phase Ⅱ Project of the Shanghai Synchrotron Radiation *** slant-scattering mode is for the first time systematically employed in laser Compton scattering at SLEGS to produce energy-tunable quasi-monoenergetic gamma-ray *** SLEGS officially completed its commissioning from July to December *** rays in the energy range of 0.25-21.7 MeV with a flux of 2.1×10^(4)-1.2×10^(7) photons/s and an energy spread of 2-15% were produced during the *** paper reports the results from commissioning the SLEGS beamline.

关键词： SLEGS Laser Compton scattering Slant-scattering mode Backscattering mode

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Implantation-decay method to study the β-delayed charged particle decay

引用

Nuclear Science and Techniques 2018年第7期29卷 145-151页

作者： Yu-Ting Wang De-qing Fang Xin-Xing Xu Li-Jie Sun Kang Wang Peng-Fei Bao Zhen Bai Xi-Guang Cao Zhi-Tao Dai Bing Ding Wan-Bing He Mei-Rong Huang Shi-Lun Jin Cheng-Jian Lin Ming Lu Long-Xiang Liu Yong Li Peng Ma Jun-Bing Ma Jian-Song Wang Shi-Tao Wang Shao-Qiang Ye Yan-Yun Yang Cheng-Long Zhou Ming-Hui Zhao Huan-Qiao Zhang Yu-Gang Ma wen-qing shen Shanghai Institute of Applied Physics Chinese Academy of SciencesShanghai 201800China University of the Chinese Academy of Sciences Beijing 100049China Department of Nuclear Physics China Institute of Atomic EnergyBeijing 102413China School of Physical Science and Technology ShanghaiTech UniversityShanghai 201203China Institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China

In this paper,the implantation-decay method is introduced to study the β-delayed charged particle decay.A silicon detector array was used for the implantation of the incident beams and for the detection of the emitted *** experimental measurement on the β-delayed particle emission from ^(22)Al was used to demonstrate the *** half-life value,charged particle spectroscopy,γ ray spectrum,and γ particle coincidence for the decay process were obtained and compared with previous experimental results for ^(22)*** results show that the implantation-decay method,using a silicon detector array,is a suitable experimental method to study the β-delayed charged particle decay for proton-rich nuclei.

关键词：腐烂粒子培植学习试验性光谱学半衰期原子核

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Status report on SLEGS

Status report on SLEGS

引用

The 6th China-Nuclear Physics Symposium

作者： Xiang-Zhou Cai, Jin-Geng Chen, Wei Guo, wen-qing shen, Wang Xu, Hong-Wei Wang, Yu-Gang Ma (SINAP)

SLEGS (Shanghai Laser Electron Gamma Source) is a high intensity MeV gamma source & highly polarized gamma source, which is generated by laser beam Compton back scattering on 3.5 GeV electron at a straight of the electron storage ring of SSRF. The total flux of SLEGS is about 10^7-8/Ws and the energy of a gamma ray will be less than 23 MeV with CO2 laser, a high power infrared laser. SLEGS is a nearly 100% polarized gamma source as laser beam is fully polarized. Low energy photon scattering

关键词：

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

Status report on SLEGS

Status report on SLEGS

引用

6th China-Japan Nuclear Physics Symposium

作者： Xiang-Zhou Cai Jin-Geng Chen Wei Guo wen-qing shen Wang Xu Hong-Wei Wang Yu-Gang Ma (SINAP)

＜正＞SLEGS （Shanghai Laser Electron Gamma Source） is a high intensity MeV gamma source ＆ highly polarized gamma source, which is generated by laser beam Compton back scattering on 3.5 GeV electron at a straight of the electron storage ring of SSRF. The total flux of SLEGS is about 10^7-8/Ws and the energy of a gamma ray will be less than 23 MeV with CO2 laser, a high power infrared laser. SLEGS is a nearly 100%

关键词：

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

基于Matlab的港口建设费核销软件开发

引用

泰州职业技术学院学报 2016年第4期16卷 50-52页

作者：于雯沈晴晴泰州职业技术学院泰州海事局江苏泰州225300

针对海事部门内外贸核销工作效率低、精确度差等问题,基于Matlab软件平台,利用GUI程序,开发了一款港口建设费征缴、核销的数据处理软件。该软件提供了简单、直观的使用界面,完整详尽的数据统计和方便使用的数据提取方法,提高了工作效率... 详细信息

针对海事部门内外贸核销工作效率低、精确度差等问题,基于Matlab软件平台,利用GUI程序,开发了一款港口建设费征缴、核销的数据处理软件。该软件提供了简单、直观的使用界面,完整详尽的数据统计和方便使用的数据提取方法,提高了工作效率,也是目前港建费征收软件的一个补充。

关键词： Matlab GUI 港建费核销

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Ti-Ni合金的织构与弹性模量及伪弹性应变的定量关系

引用

上海交通大学学报 2002年第5期36卷 608-611页

作者：杨树强袁文庆沈甫法上海交通大学材料科学与工程学院上海200030

应用取向分布函数 ( Orientation Distribution Function,ODF)方法分析了形状记忆合金Ti- 5 0 .4% Ni(原子分数 )热轧后的织构 ,结果表明其织构类型为 α纤维 .根据其织构系数计算了不同轧向的弹性模量 ,并由 ODF回算的反极图计算了不... 详细信息

应用取向分布函数 ( Orientation Distribution Function,ODF)方法分析了形状记忆合金Ti- 5 0 .4% Ni(原子分数 )热轧后的织构 ,结果表明其织构类型为 α纤维 .根据其织构系数计算了不同轧向的弹性模量 ,并由 ODF回算的反极图计算了不同轧向的伪弹性应变 .经实验证实 ,得到了Ti- 5 0 .4%

关键词： Ti-Ni形状记忆合金取向分布函数弹性模量伪弹性应变

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Cerebral fat embolism following autologous fat injection in facial reconstruction:A case report

引用

World Journal of Clinical Cases 2025年第2期13卷 50-58页

作者： Xiu-Ying Chen Fa shen Chang Cheng Yu-Han Wang wen-Chao Cheng De-Zhi Yuan wen Huang Department of Neurology Chongqing Emergency Medical CenterChongqing University Central HospitalChongqing 400000China Department of Neurology Xinqiao HospitalThe Army Medical University(Third Military Medical University)Chongqing 400000China

BACKGROUND Autologous fat injection in facial reconstruction is a common cosmetic *** cerebral fat embolism(CFE)as a complication is rare,it carries serious health *** SUMMARY We present a case of a 29-year-old female patient who developed acute CFE following facial fat filling *** the surgery,the patient experienced symptoms including headache,nausea,vomiting,and difficulty breathing,which was followed by neurological symptoms such as slurred speech and left-sided *** physical examination and auxiliary investigations,including blood tests,head and neck computed tomography angiography,and cranial magnetic resonance diffusion-weighted imaging,were performed upon *** clinical diagnosis was acute cerebral embolism following facial fat filling *** included measures to improve cerebral circulation,dehydration for intracranial pressure reduction,nutritional support,and rehabilitation therapy for left limb *** patient showed a significant improvement in symptoms after 2 weeks of *** recovered left limb muscle strength to grade 5,had clear speech,and experienced complete relief of *** Our case highlights the potential occurrence of severe complications in patients undergoing fat injection in facial *** prevent these complications,plastic surgeons should enhance their professional knowledge and skills.

关键词： Cerebral fat embolism Mechanical thrombectomy Thrombolysis Steroid therapy Symptomatic treatment Case report

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：