查询词典 X ray

Their crystal structures have been determined by x-ray single crystal diffraction.

用X-射线单晶衍射测定了它们的晶体结构。

By the use of X-ray single crystal diffraction technique, the crystal structure of 5'-GMPNa2 was determined.

利用X-射线单晶衍射仪测定了I型5'-鸟苷酸二钠晶体结构。

Transmission X-ray diffraction analysis showed that high crystal orientation occured in the shear layer for both samples,and the SIF sample exhibited a lower orientation degree of the crystal (040) planes as compared with the CFP sample.

透射X-射线衍射的检测结果表明SIF样和CFP样在剪切层晶体具有大的取向效应，SIF样晶体的取向度为65%，而CFP样则为79%。

The effect of δ-doping in n-type layers on crystal performance of GaN epitaxial films on Si substrates was studied by ω-scan of different crystal planes with X-ray diffraction method.

用X射线衍射方法通过不同晶面的ω扫描测试，分析了Si衬底GaN蓝光LED外延膜中n-型层δ掺杂Si处理对外延膜结晶性能的影响。

Ethylene-Propylene copolymers and mixtures with long E-P sequence structures were investigated using WAXD and PLM methods. As the content of Cs reached more than 30 mol %, the (140),(130) crystal planes appear at 2θ= 20 in X-ray diffraction patterns of me-Itcrystallized samples.

用广角X-射线衍射和偏光显微镜方法，研究了具有乙丙长序列乙丙共聚物及其共混物，发现通过熔融慢冷结晶样品，C3含量在30mol％以上，衍射角2θ=20°处出现了属于γ-PP晶型的(140)，(130)晶面衍射。

X ray diffraction method has been used to study the crystallinity of wheat starch granules with different water content.

应用X射线衍射方法对不同水分含量的小麦淀粉颗粒的结晶度进行了研究。

The surface morphology and crystallinity of the specimens were characterized by means of scanning electron microscopy and X-ray diffraction.

利用扫描电子显微镜和X射线衍射分别对样品形貌及其晶型进行了表征。

The progress of research and application on determination crystallinity of starch granular by X-ray diffraction was introduced.

详述了国内外有关X射线衍射测定淀粉颗粒结晶度方法的研究进展以及应用。

Carboxymethyl starch was prepared from cornstarch by using a dry method,and the molecular structure,granule configuration and crystallizability of the carboxymethyl starches with different substitution degree were investigated by using ultrared spectrograph,electro scanning microscope and x-ray crystallograph.

以玉米淀粉为原料，干法制备羧甲基淀粉，并利用红外光谱仪、扫描电子显微镜和X-射线衍射仪对不同取代度的羧甲基淀粉的分子结构、颗粒形貌及结晶性进行了研究。

Carboxymethyl starch was prepared from cornstarch by using a dry method,and the molecular structure,granule configuration and crystallizability of the carboxymethyl starch es with different substitution degree were investigated by using ultrared spectrograph,electro scanning microscope and x-ray crystallograph.

以玉米淀粉为原料，干法制备羧甲基淀粉，并利用红外光谱仪、扫描电子显微镜和X-射线衍射仪对不同取代度的羧甲基淀粉的分子结构、颗粒形貌及结晶性进行了研究。

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。