While studying the electrophilic cyclization of acetylenic malonates in synthesizing malonate indene derivatives with hi......

利用传统的密度泛函理论在B3LYP/6-31＋G（d）水平上优化了铝簇（Aln^＋,Aln与Aln^-,n=2～9）的几何结构,并利用偶合的微扰的密度泛函理论在B3LYP......

通常理论研究核自旋偶合常数的方法是基于线性模型进行拟合和预测,该方法在拟合和预测中仍有较大误差.本文在前面工作的基础上,提......

NMR relaxometry is one of the techniques that allow observing changes in the molecular mobility that come from materials......

The carbon-13 spin-spin relaxation times of fluorine-containing ionomers are measured and motional correlation times τ_......

In this work we present a model for the determination of the interaction energy for triplet and singlet states in atoms ......

本文用动态力学谱和13C NMR方法分别测定了丙烯酸-1,1,5-三氢全氟戊酯与丙烯酸共聚物为基础的离聚体的玻璃化转变温度Ts和13C自旋-......