共价的

UV and fluorescence spectrometry,〓H-NOESY charactered the non-covalent interaction between cinchonine and CDs in solution. The results indicated that the possible stoichiometry of complex formation is 1: 1 (guest: host ratio) and 2: 1 inclusion complexes coexistence simultaneously in solution.

用紫外光谱、荧光光谱、二维核磁共振等手段研究了辛可宁与β，γ-环糊精在溶液中的非共价作用，发现它们之间是以1：1结合以及2：1结合两种方式模式的方式存在的。

In the investigation of optical and magnetic properties of semimagnetic semi-conductors containing transition-metal ions, one electronic d-orbital should not be treated as a pure d-orbit, instead of a mixed orbit t2g or eg because of strong covalence.

在含过渡金属离子的半磁半导体的光学和磁学性质研究中，由于体系的共价性较强，d轨道不再是纯d轨道，而是混合轨道t2g或eg。

Our results showed that 1, 8-Naphthyl imide could improve the properties of natural oligonucleotide in resisting nuclease and binding the targeted sequence by covalently linkage at the end of oligonucleotide. Moreover, our results also showed that the antigene oligonucleotide could specifically cleave the targeted double DNA sequence by modification of naphthyl imide at the 3'end of oligonucleotide.

体外结果表明萘二酰亚胺对寡核苷酸的共价修饰可以提高天然寡核苷酸抗核酸酶降解能力，提高寡核苷酸与靶序列结合的稳定性以及使寡核苷酸具有选择性结合和切断靶DNA的功能。

Unfortunately, owing to the highly endothermic heats of formation, their syntheses and isolation, and structural characterization present great challenges.

在广泛的文献调研和充分的实验准备基础上，采用我们实验室多年来探索的真空异相表面反应手段，合成和表征了一系列重要的无机共价叠氮化合物。

Methods:YCP was coupled to bovine serum albumin to construct three neoglycoprotein s which are different in their degrees of substitution(DSs;≈3,≈6,or ≈10 mol of BSA carrier/mol of YCP hapten,respectively),and their immunogenicities were evaluated in mice following subcutaneous immunization,respectively.

将YCP与牛血清白蛋白共价偶联，获得取代度分别约为3、6和10的3种拟糖蛋白，经皮下分别接种ICR小鼠，测定免疫血清中多糖YCP的特异性抗体IgM和总IgG水平，以及半抗原和载体蛋白的特异性IgG亚型。

The calculations reveal the different natures of the C-Cl and Si-Cl bonds and show that the barriers for the heterolysis processes in both cases are controlled by the resonance energy.

计算结果表明这两种分子在水溶液中的异解解离能取决于体系的共价-离子共振能RE_(C-I，在键解离过程中其共振能的丧失是反应解离能的主要来源。

Moreover, it was shown that the dispersion ability of SWNT in aqueous solution had a significant improvement after coating with NOMA.

检测器件在每个修饰阶段的电学性能的变化证明了NOMA对SWNT的非共价糖基化修饰及用CNTFET来检测糖-凝集素特异性识别作用的可能性。

Reversible covalent modification The activity of many enzymes is alterd by the reversible making and breaking of a covalent bond between the enzyme and a small nonprotein group.

可逆共价修饰许多酶的活性随酶和小的非蛋白质基团之间共价键可逆性的生成和断裂而改变。

Proprietary technology has been developed in which short, amphiphilic oligomers are covalently attached to peptides.

一种将短的两性低聚物分子共价结合到肽链上的专利技术已经发展起来。

The electronic structures and the bonding characteristics of both complexes were analyzed using ab initio calculations.

并结合从头计算结果进一步分析了配合物的稳定性及分子中配键的共价特征。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。