1) T_2 relaxation
T2弛豫
1.
Heavy oil has more quick T_2 relaxation because of its high viscosity and high density.
稠油由于高粘度、高密度特性,使得其T2弛豫很快,造成其信号在T2谱上与束缚水信号重叠在一起很难区分。
2.
The calculation methods for permeability of porous rock from its NMR T_2 relaxation distribution are introduced.
介绍了利用NMRT2弛豫数据求取岩心物性参数———渗透率的方法。
2) t_2 relaxation spectra
t2弛豫谱
1.
During NMR logging measurement, t_2 relaxation spectra are the important parameters, including reservoir physical property information, such as: porosity, movable fluid, oil-bearing saturation.
核磁共振录井测量过程中,t2弛豫谱是重要的参数,其中包含着孔隙度、可动流体、含油饱和度等储集层物性信息。
3) T2 relaxation time
T2弛豫时间
1.
Value of high-resolution MR T2 relaxation time in calcaneus in osteoporosis;
高分辨MR T2弛豫时间在骨质疏松跟骨检查中的价值
2.
Objective To study the hippocampal T2 relaxation time(HCT2) in healthy Chinese and its influencing factors.
目的探讨正常中国人海马T2弛豫时间(HCT2)及其影响因素。
4) transverse relaxation time spectrum
横向弛豫时间谱(T2谱)
5) relaxation
[英][,ri:læk'seɪʃn] [美]['rilæk'seʃən]
弛豫
1.
Theoretical computation and numerical simulation of the relaxation of sphere-capillary model saturated with oil and water;
油水饱和球管孔隙模型弛豫的理论计算与计算机模拟
2.
Low temperature relaxation effects on thermal stability and mechanical property of Mg_(65)Cu_(25)Gd_(10) metallic glass;
低温弛豫对Mg_(65)Cu_(25)Gd_(10)大块非晶合金热稳定性及力学行为影响
3.
Grain boundary relaxation in CaCu_3Ti_4O_(12) ceramic;
CaCu_3Ti_4O_(12)中的晶界弛豫
6) relaxor
[ri'læksə]
弛豫
1.
The recent progress in studies of the ferroelectric phase transition and relaxor characteristics of Na_ 0.
5)Ti O_3(sodiumbismuth titanate,NBT)基无铅铁电材料在铁电相变和弛豫特性方面近年来国内外的研究进展。
2.
The Pb-based complex perovskite relaxor ferroelectrics (RFE) of PMN and PZN ceramics were prepared.
制备了铅基弛豫铁电体0。
3.
The relaxor behavior of BZT materials was expounded.
综述了关于锆钛酸钡(BaZrxTi1–xO3,简称BZT)材料的组成(包括锆含量、掺杂)与结构、介电性能及尺寸效应等方面的最新研究进展,阐释了BZT中存在的弛豫现象,提出了研究中需要解决的一些问题。
补充资料：“质子-电子偶极-偶极”质子弛豫增强
“质子-电子偶极-偶极”质子弛豫增强
物理学术语。原子核外层中不成对的电子质量小，但磁动性很强，可使局部磁场波动增强，促使氢质子弛豫加快，从而使T1和T2缩短，这种效应即为PEDDPRE。过渡元素和镧系元素大部分在d和f轨道有多个不成对电子，所以其离子往往具有PEDDPRE，可用来作顺磁性对比剂，如钆(Gd)。Gd在外层有7个不成对电子，具有很强的顺磁性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条