二分子

The results showed that the dithione R is the most stable tautomer of all the tautomers in the form of isolated or hydrated isomers.

计算结果表明， 2，6-二巯基嘌呤无论是孤立分子还是一水合物，其二硫酮式R是最稳定异构体。

A highly sensitive fluorescence quenching method for the determination of iron based on the system of iron-oxfloxacin-SDS has been developed. In NaAc-HAc medium, iron reacts with oxfloxacin and SDS to form a non-fluorescent ternary complex which can quench the fluorescence intensity of oxfloxacin.

在表面活性剂十二烷基硫酸钠存在下，铁能与氧氟沙星形成络合物而猝灭氧氟沙星分子的内源性荧光，使其荧光强度显著降低，据此，提出了铁氧氟沙星SDS体系测定铁的荧光分析新方法。

HC1, which had the p-hydroxy in its stucture, could form steady ternary equilibrium system HC1-Zr-EDTA with [Zr(H2O)2EDTA].

半花菁染料HC1是一拥有邻二羟基酚型结构特征的染料分子，可与Zr-EDTA螯合物形成稳定的三元螯合物体系HC1-Zr-EDTA。

It is a common knowledge in shape optimization that second order solid tetrahedron elements give good stress results but are not so good for shape optimization.

这是一个常识的形状优化的二阶坚实的四面体分子提供良好的压力的结果，但没有那么好了形状优化。

The important damage type of DNA in cell, the thymine photodimerization, was studied.

本论文中我们欲探讨生物细胞中重要遗传信息携带分子- DNA -受紫外线照射时导致之常见损坏结构-胸腺嘧啶二聚体-的可能形成过程。

It belongs to triclinic system with space group P-1, a=0.7382(1) nm, b=0.9992(2) nm, c=1.1535(2) nm,α=81.41(2)°,β=85.72(2)°,γ=72.21(2)°, D=1.404 gcm^(-3), V=0.8007(38) nm^(-3), Z=2. The crystal structure shows that the compound has trans configuration and characteristic dimers connected by intermolecular hydrogen bond.

结果表明，该晶体属三斜晶系，空间群P-1，V=0.80070(38) nm^3，Z=2，D=1.404gcm^(-3)，a=0.7382 (1) nm，b=0.9992 (2) nm，c=1.1535 (2) nm，α=81.41 (2)°，β=85.72(2)°，γ＝72.21(2)°，分子结构呈反式构型，通过分子间氢键组装成二聚体。

The different hexanedichloromethane volumn ratio effection on molecular weight of,molecular weight distribution and weight percent of lowmolecule of polyisobutene by boron trifluoride initiator was studied in this paper by IR and UV.

研究了正己烷—二氯甲烷溶剂配比对BF3引发体系的聚异丁烯分子量及分子量分布、低分子物含量的影响，给出了BF3引发体系聚异丁烯及AlCl3引发体系聚异丁烯的红外光谱及紫外光谱。

The natural bond orbit analysis shows that the inter-molecular charge transfers are 0.60475e and 1.20225e for the dimer and trimer, respectively.

自然键轨道分析表明，形成最稳定的二聚体和三聚体时，分子间电荷转移分别为

In the meanwhile, we also found that compounds being connected by OXD rings, electronic coupling between the ferrocene and triphenyl amine could be prevented by using OXD ring as connecting unit.

同时，我们也发现，化合物若以OXD环为连接基团，不但可以阻隔二茂铁单元和三苯基胺单元的偶合作用，使得分子可以利用电化学的方法形成电聚膜。

Investigation of Triplex〓——Mechanism, Geometrical Requirement and Effects of Isomers in Formation.

二、三分子激基复合物〓的研究——形成机理、几何要求及同分异构对其形成的影响。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新