搜索结果: 1-15 共查到“物理学 NMR”相关记录58条 . 查询时间(0.453 秒)
近日，中国科学院合肥物质科学研究院强磁场科学中心研究员张钠课题组首次运用核磁共振（NMR）技术解析由端粒DNA序列d(G2T4G4T4G4)与短链d(TG4A)探针形成的分子间V-形G-四链体复合物结构，发现新型短链DNA探针能够特异性识别包含V-shape关键碱基序列的端粒DNA，具有潜在抗癌前景。该研究成果在线发表于国际期刊Nucleic Acids Research（doi:10.1093/...
Technique Makes Nmr More Useful For Nanomaterials,Exotic Matter Research（图）
Technique Makes Nmr Nanomaterials Exotic Matter Research
2018/1/10
Nuclear magnetic resonance (NMR) is a powerful scientific tool used in medical imaging and in probing the chemical structure of molecules and compounds. New research from Brown University shows a tech...
关于举办“第四届中法固体核磁共振波谱学讲习班”的通知（4th Sino-French Workshop on Solid-state NMR Spectroscopy 2017）
第四届 中法固体核磁共振波谱学 讲习班
2017/9/22
近年来，固体核磁共振波谱学得到了迅猛发展，新的实验方法和技术层出不穷，在多相催化、材料科学及生物大分子的研究中得到日益广泛的应用。为了推动我国固体NMR领域的研究进展，中科院武汉物理与数学研究所波谱与原子分子物理国家重点实验室、国家大型科学仪器中心·武汉磁共振中心将与法国里尔一大强磁场中心联合举办“第四届中法固体核磁共振波谱学讲习班”(4th Sino-French Workshop on Sol...
2017生命科学中的核磁共振前沿 Keystone Symposia （2017 Keystone Symposia on Frontiers of NMR in Life Sciences）
2017 生命科学中的核磁共振 前沿 Keystone Symposia
2017/1/11
The NMR principle is widely applied in structural biology, biomedical research and clinical diagnosis. This conference will highlight progress in solution and solid state NMR methods and recent advanc...
日本开发出具有最强磁场的核磁共振（NMR）装置（图）
日本 最强磁场 核磁共振装置
2015/12/8
2015年7月1日，日本的科学技术振兴机构（JST）、物质及材料研究机构（NIMS）、理化学研究所（RIKEN）、神户制钢所株式会社（KOBELCO）、日本电子株式会社（JEOL）等五家单位共同发布消息，称由科学技术振兴机构（JST）组织、其他几家单位联合承担的日本国家科技计划 “先进计量分析技术及装备开发” 项目取得最新研发成果，研制出具有世界上最强磁场（1020 MHz）的核磁共振(NMR)装...
油页岩的13C-NMR特征及FLASHCHAIN热解模拟研究
核磁共振 热重红外 油页岩 热解 结构参数 FLASHCHAIN
2014/3/24
采用固体 13C-NMR核磁共振技术表征了甘肃窑街矿区油页岩的碳骨架结构，分析并计算了油母质团簇化学结构参数，包括团簇平均碳原子数、芳碳原子数、脂碳原子数及芳环数。在热重红外分析仪（TG-FTIR）上进行了油页岩的热解实验，得到了热解产物的生成规律。结合样品的团簇化学结构参数，采用基于油页岩结构的FLASHCHAIN模型模拟其热解产物的生成过程；模拟结果与TG-FITR实验数据符合较好，印证了模型...
^{75}As NMR study of the growth of paramagnetic-metal domains due to electron doping near the superconducting phase in LaFeAsO_{1-x}F_{x}
paramagnetic-metal domains electron doping superconducting phase LaFeAsO_{1-x}F_{x}
2012/2/27
We studied the electric and magnetic behavior near the phase boundary between antiferromagnetic (AF) and superconducting (SC) phases for a prototype of high-T_c pnictides LaFeAsO_{1-x}F_{x} by using n...
Anisotropic spin fluctuations and superconductivity in "115'' heavy fermion compounds: 59Co NMR study in PuCoGa5
StoAnisotropic spin fluctuations superconductivity NMR study in PuCoGa5
2010/11/24
We report results of 59Co nuclear magnetic resonance measurements on a single crystal of super-
conducting PuCoGa5 in its normal state. The nuclear spin-lattice relaxation rates and the Knight shifts...
Quantum Computing with NMR
Quantum Physics NMR
2010/11/8
A review of progress in NMR quantum computing and a brief survey of the literature.
Irreversible evolution of a two-nucleus spin NMR system - subdynamics approach
Irreversible evolution spin NMR system subdynamics approach
2010/11/8
The time irreversible evolution of a two-nucleus spin system interacting with a magnetic field is analyzed in the framework of the subdynamics theory. The spin system is determined by the H(1), C(13) ...
Magnetic order, metamagnetic transitions, and low-temperature spin freezing in Ca2Co2O6: an NMR study
Magnetic order metamagnetic transitions low-temperature spin
2010/11/18
We report on a 59Co NMR investigation of the trigonal cobaltate Ca3Co2O6 carried out on a single crystal, providing precise determinations of the electric field gradient and chemical shift tensors, an...
Crossover from commensurate to incommensurate antiferromagnetism in stoichiometric NaFeAs revealed by single-crystal 23Na,75As-NMR experiments
NaFeAs NMR incommensurate antiferromagnetism 111-type iron arsenide
2010/11/18
We report results of 23Na and 75As nuclear magnetic resonance (NMR) experiments on a
self-flux grown high-quality single crystal of stoichiometric NaFeAs. The NMR spectra revealed
a tetragonal to tw...
How specific exponential type orbitals recently became a viable basis set choice in NMR shielding tensor calculation
exponential type orbitals recently viable basis set choice NMR shielding tensor calculation
2010/11/8
This paper advocates use of the atomic orbitals which have direct physical interpretation, i.e. Coulomb Sturmians and hydrogen-like orbitals. They are exponential type orbitals (ETOs). Their radial n...
Optically detected NMR of optically hyperpolarized 31P neutral donors in 28Si
Optically optically 31P neutral donors
2010/10/27
The electron and nuclear spins of the shallow donor 31P are promising qubit candidates invoked in many proposed Si-based quantum computing schemes. We have recently shown that the near-elimination of ...