1) Proton core distribution
质子核分布
2) tRNA nuclear-cytoplasmic dynamics
tRNA核质动态分布
1.
The new concept tRNA nuclear-cytoplasmic dynamics was coined in 2008 to describe the tRNA communication between nucleus and cytoplasm, which was found able to regulate protein synthesis and cell cycle in S.
2008年,新概念"tRNA核质动态分布"(tRNA nuclear-cytoplasmic dynamics)被提出,取代tRNA核质运输,描述tRNA在细胞核、质间的流动。
3) nucleon(antinucleon) distribution function
核子(反核子)分布函数
4) nucleon density distribution
核子密度分布
5) molecular weight distribution
分子质量分布
1.
Study on the influence of polymerization conditions to the molecular weight distribution of the P(AN-co-IA)
聚合条件对P(AN-co-IA)分子质量分布影响的研究
2.
The determination of molecular weight distribution of PVC by gel chromatography and its application in quality control
采用凝胶色谱法测定PVC分子质量分布及其在质量管理中的应用
3.
A study was made on the characteristics of the molecular weight distribution and the removal of the dissolved organic matter in the Chemical-Biological Flocculation Process(CBFP).
研究了化学生物絮凝工艺对溶解性有机物的去除效果及其分子质量分布的变化特征,并分别与化学强化一级工艺、初沉池和二级生物处理工艺的出水进行对比。
6) narrow molecular mass distribution
窄分子质量分布
1.
A series of narrow molecular mass distribution polystyrene (PS) were prepared by anionic polymerization under the protection of inert gas, using n-buLi as initiator, C6H12 as solvent with simple treatment, THF as promoting agent.
以正丁基锂为引发剂,以经过处理的工业级环已烷为溶剂、四氢呋喃为促进剂,用阴离子聚合的方法,在常压和惰性气体保护条件下,制得一系列千克级窄分子质量分布的聚苯乙烯,利用IR、~1H-NMR、GPC等技术对聚苯乙烯产物进行了表征,分析了影响聚苯乙烯的分子质量及分子质量分布的因素。
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