查询词典 X ray

The crystal structure of 4 was determined X-ray crystallography.

以元素分析， IR， 1H NMR和13C NMR表征了2-5的结构，并用X射线衍射测定了4的晶体结构。

At first the first chapter in the Part Two reviews the macromolecular X-ray crystallography and its advantages in all aspects.

论文第二部分第一章首先对生物大分子X-射线晶体学及其各个环节中的主要进展作了简要综述。

In addition, we prepared a couple of pyrrole-2-boronic acids for X-ray crystallography study.

本论文还合成了2-甲基吡咯硼酸以用于X-射线单晶衍射研究。

However, due to this requirement, it is difficult to apply the technique of the X-ray crystallography in structural studies of viruses.

由于这一局限，用X射线衍射技术研究不能结晶的生物大分子就很困难。

Its structure was determined by means of spectroscopy methods and X-ray crystallography.

利用晶体X-射线法与一维和二维核磁共振法测定了该化合物的结构，指认了核磁共振信号的归属。

The identities of 1 and 2 were established by elemental analysis, 31P NMR spectroscopy, and X-ray crystallography.

通过元素分析、31P核磁共振及X射线单晶衍射对配合物1和2的结构进行了表征。

The complex was characterized through IR and elemental analysis and its crystal structure determined with X-ray crystallography.

对该配合物进行了红外光谱和元素分析表征，并对其进行了X-射线单晶结构测定。

All of them have been structurally determined by IR, elemental analyses and X-ray crystallography.

应用红外、元素分析以及X-射线衍射技术对这些配合物的结构进行表征。

X-ray diffraction, scanning electron microscopy and energy disperse spectrometry were used to characterize the crystalloid structure, topography and component of non-coated and coated glass microspheres.

采用X射线衍射仪、扫描电镜和能谱仪对化学镀前后玻璃微球的结构、表面形貌以及成分进行了分析。

The structures of derivatives 3, 4 and 7 were determined by X-ray diffraction measurements7 of single crystals.

衍生物的结构 3 ，第4和7 ，测定了X -射线衍射 measurements7的单晶。

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。