衍射线

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。

The effect of crystallite size and Y.

用X射线衍射仪和透射电镜研究了粒径和Y，Ce掺杂元素对ZrO2纳米粉相结构的影响。

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。

The potash fertilizer synthesized using desiliconized slag and potassium carbonate is discussed, as well as the influences of the amount of potassium oxide as main raw material and its heating temperature, holding time and cooling mode and amounts of other oxides added on its crystallizability.

以铁水脱硅渣和碳酸钾为原料合成钾肥，利用X射线衍射对钾肥试样的结晶性能进行了分析；考察了氧化钾加入量，加热温度，保温时间，冷却方式以及氧化物添加种类对合成钾肥结晶性能的影响·研究结果表明，利用铁水脱硅渣和碳酸钾为原料可以合成钾肥；合成的钾肥由含钾结晶相Ca1 917K0 166SiO4，非含钾结晶相Ca2SiO4和含钾非结晶相组成；在本研究条件下，各种因素对合成钾肥的结晶性能没有明显影响

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。

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。

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。

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。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。