查询词典 covalent

The surface modification reaction is facile and the molecules are directly attached to the neighboring adatom and rest-atom with the formation of two covalent Si-C bonds at the Si (111)-7×7 surface.

我们的研究结果表明，Si（111）-7×7表面上空间分立的硅悬键在表面加成反应中可以看作为分立的活性表面自由基。

Otherwise, an intermediary allylamine deposition was covalently linked to the oxide layer by glow discharge, the covalent binding of bioactive protein to the free terminal NH2 groups using glutaraldehyde as a coupling agent was followed.

并利用丙烯胺的电浆处理在钛金属表面键结上胺基(-NH2)的官能基，之后再以交链剂戊二醛来固定生物活性胶原蛋白於低温电浆处理后的钛金属表面。

Titanium plate first was cleaned by glow Discharge using argon plasma to eliminate surface contaminants and to produce a consistent and reproducible titanium oxide surface layer. Then an intermediary allylamine deposition was covalently linked to the oxide layer by glow discharge, followed by the covalent binding of albumin to the free terminal NH2 groups using glutaraldehyde as a coupling agent. Surface morphologies were observed by scanning electron microscopy and atomic force microscopy.

样本以扫描式电子显微镜及原子力显微镜﹙AFM﹚观察表面形态变化，以能量分散光谱仪进行表面元素变化之定性分析，使用X光光电子能谱仪检测表面化学键结与元素变化作定性分析与半定量分析，并以胶样金免疫标示法配合使用场发射枪扫描式电子显微镜(Field Emission Scanning Electron Microscope， FEG SEM)，观察钛金属表面白蛋白连接情形作定性分析与定量分析。

The most commonly used method for the covalent binding of biomolecules onto 1-D nanostructures is through the diimide-activated amidation of carboxylic acid terminated nanostructures.

最常用的方法是通过端羧酸基纳米结构的二酰亚胺活化氨基化合物来进行生物分子与1-D纳米结构的共价结合。

The most commonly used method for the covalent binding of biomolecules onto 1-D nanostructures is through the diimide-activated amidation of carboxylic acid terminated nanostructures.

在一维纳米结构上共价结合生物分子最常用的做法是对纳米结构的C端进行二酰亚胺活化。

The results indicated that the Fe3+ ion of Fe-AO-PAN was coordinated with three amino nitrogen atoms and three hydroxyl oxygen atoms of three amidoxime units on the surface of AO-PAN by covalent bond, and the coordination number was six.

结果表明， Fe-AO-PAN中的Fe3+能够与AO-PAN表面三个偕胺肟链节单元的三个氨基氮原子和三个羟基氧原子进行配位反应，配位数为6。

In this thesis, a reductive amination was used to prepare compound 16 with the boronic acid moiety. The moiety can provide covalent interaction with sugars.

本论文中，合成化合物16，是将化合物15与2-甲醯苯硼酸用还原胺化法而得到；其含有硼酸部分，可以与醣类分子以共价键键结。

By means of covalent coupling with the activation of 1-ethyl-3-(3-dimethyllaminopropyl) carbodiimide hydrochloride and N-hydroxysulfosuccinimide.

利用自组装技术将三巯基丙酸固定在金电极上，以1-乙基-3-（3-二甲氨基）碳二亚胺盐酸盐和N-羟基硫代琥珀亚胺作为活化剂，将甲基对硫磷抗体以共价键形式固定在三巯基丙酸自组装单分子膜修饰的金电极上，制备了一种免疫传感器。

Methods RGD peptide were through direct covalent linkage attached on micro-channel surface with 1-ethyl-3- 3-dimethylaminopropyl carbodiimide hydrochloride and N-hydroxysuccinimide to A549 cells.

方法采用化学共价连接的方法固定RGD多肽，建立由流体控制系统、免疫反应系统构成的细胞识别芯片系统，用于细胞的筛选/捕获；选用不同密度的细胞进行进样试验，考察不同细胞密度对通道内细胞数量的影响，并讨论不同的孵育时间对细胞捕获的影响。

Methods RGD peptide were through direct covalent linkage attached on micro-channel surface with 1-ethyl-3- 1 3-dimethylaminopropyl carbodiimide hydrochloride and N- hydroxysuccinimide to A549 cells.

采用化学共价连接的方法固定RGD多肽，建立南流体控制系统、免疫反应系统构成的细胞识别芯片系统，用于细胞的筛选／捕获；选用不同密度的细胞进行进样试验，考察不同细胞密度对通道内细胞数量的影响，并讨论不同的孵育时间对细胞捕获的影响。

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。