英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：


请选择你想看的字典辞典：
单词字典翻译
087394查看　087394　在百度字典中的解释百度英翻中〔查看〕
087394查看　087394　在Google字典中的解释Google英翻中〔查看〕
087394查看　087394　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Spin–spin relaxation - Wikipedia
    In physics, the spin–spin relaxation is the mechanism by which Mxy, the transverse component of the magnetization vector, exponentially decays towards its equilibrium value in nuclear magnetic resonance (NMR) and magnetic resonance imaging (MRI)
  • Spin-lattice and spin-spin relaxation - UCL
    Spin-lattice relaxation mechanisms The spin-lattice (or longitudinal) relaxation time T1 quantifies the rate of transfer of energy from the nuclear spin system to the neighboring molecules (the lattice) This is relaxation in the z-direction and leads to restoration of Boltzmann equilibrium
  • Spin Relaxation - an overview | ScienceDirect Topics
    Spin relaxation experiments generally include three different types of measurements: longitudinal relaxation, transverse relaxation, and steady-state heteronuclear NOE
  • T2 relaxation | Radiology Reference Article | Radiopaedia. org
    T2 relaxation, also known as spin-spin relaxation or transverse relaxation, refers to the progressive dephasing of spinning dipoles resulting in decay in the magnetization in the transverse plane (M xy)
  • Spin Relaxation Mechanisms - Department of Physics
    This mechanism is based on scattering in presence of spin-orbit coupling We know that the presence of spin-orbit leads to mixing the the spin up down eigenstates
  • Spin relaxation in semiconductors
    Regimes of spin relaxation Motional narrowing Spin relaxes during precession in B(t) e g D’yankanov-Perel mechanism Spin flipping Spin relaxes when B(t) causes a transition between spin states
  • Nuclear Spin Relaxation Theory - Springer
    Spin-lattice relaxation describes how the system of nuclear spins evolves towards thermal equilibrium with the large heat reservoir, the lattice The spin relaxation rates with which the nuclei arrive at their equilibrium magnetization may be experimentally determined
  • lecture 2 - MIT
    These two relaxation times are called the spin-lattice relaxation time, T 1, (along the z-axis) and the spin-spin relaxation time, T 2, (governing the decay of transverse magnetization)
  • NMR Relaxation
    Longitudinal or spin-lattice relaxation (T1) is the mechanism by which an excited magnetization vector returns to equilibrium along the axis of the static applied magnetic field (conventionally shown along the z -axis, fig 6)
  • T2 (spin-spin) relaxation - Questions and Answers in MRI
    T2 relaxation without T1 relaxation can also happen in a special form of dipolar interaction known informally as a spin-spin " flip-flop " In this mechanism a pair of spins simultaneously exchange their longitudinal angular momentum components resulting in no net T1 effect but loss of T2 coherence





中文字典-英文字典  2005-2009