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The XRD studies show obvious diffraction peaks associated with graphitic carbon and Co metal. Co particles in the composite are stable even at 2500℃ in inert atmosphere .

复合微球的 X 衍射图显示出明显的石墨碳和金属钴的衍射峰，2500℃石墨化后，复合微球中的钴仍能稳定存在。

The products were characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy and thermal gravimetric analysis.

采用X射线衍射仪、傅里叶变换红外光谱仪、扫描电子显微镜、透射电子显微镜和热失重分析仪等对产物的组成、形貌以及热失重情况进行了表征。

Hot corrosion behavior of Na2SO_4 coated B-1900 alloy was studied in air at 827 and 750℃.Corrosion kinetics of the coated alloy was gravimetrically measured,and contents of water soluble ions in the reaction products were chemically analyzed.X-ray diffraction and EMP techniques were employed to determine the components and morphology of the corrosion product scale.

用涂 Na_2SO_4盐膜法研究高温合金 B-1900在827℃和750℃于空气中的热腐蚀行为，测定其腐蚀动力学曲线，用 X -射线衍射和电子探针元素面扫描方法分析腐蚀产物的相组成和成份，还对其中的水溶性离子进行化学定量分析。

The dissertation performed some test of the black pottery from Dawenkou and Lonshan cultures with scanning microscope, high resolution electronic microscopic energy spectrum, element analysis, Raman analysis, thermal gravitative analysis and X-ray diffraction. It is discovered that there is a lot of carbon fiber inside the black pottery.

本论文对大汶口、龙山黑陶进行了一系列测试，包括扫描电镜、高分辨电镜能谱、元素分析仪、热重分析、拉曼光谱分析、X射线衍射和岩相分析，发现黑陶内存在大量的碳纤维。

Diffraction pattern of system of helices corresponding to structure of deoxypentose nucleic acid.

衍射系统的螺旋结构的相应deoxypentose核酸。

Fig.2. Diffraction pattern of system of helices corresponding to structure of deoxypentose nucleic acid.

图2 。衍射系统的螺旋结构的相应deoxypentose核酸。

Notably, compounds 12–14 can be described as a 3D open–framework with nano–channels, compound 15 can be described as a 3D open–framework with double helical channels, while compound 16 can be described as a 3D heterochiral coordination polymer with double helical channels, which can be obtained by spontaneous resolution from the racemic phosphonic acid.X–ray powder diffraction analysis shows that compound 16 is a pure phase. Surface photovoltage spectroscopy of compound 16 indicates that it possesses positive SPV response in the range of 300–600 nm and shows p–type semiconductor characteristic.

值得注意的是，化合物12-14为具有一维纳米孔道结构的三维开放骨架结构，化合物15是具有双螺旋孔道的三维开放骨架结构，而化合物16是外消旋的有机膦酸配体通过自发拆分而形成的具有双螺旋孔道的多手性三维开放骨架结构。X-射线粉末衍射分析表明化合物16为纯相；化合物16的表面光电压光谱分析中，在300-600nm范围内有3个正的光(来源：ABC论文12网www.abclunwen.com)伏响应带，表明它具有p型半导体的特征；化合物16的诱导表面光电压谱进一步确定它的p型半导体的特征；磁性研究表明，化合物16中两Mn原子之间存在弱的反铁磁相互作用。

Effects of hexamethylene tetramine surfactant on morphology of the products are studied by using X-ray diffraction pattern, scanning electron microscopy.

制得的样品利用X射线衍射仪、扫描电镜及紫外分光光度计进行表征。

These compounds are of substantial interest both inviewpoints of theory and practical applications, mainlyunder the stimulus to achieve synthetic models either foractive sites of iron-sulfur proteins or for transitionmetal catalysts. This thesis describes the synthesis, structures andconformations of 51 new iron-sulfur cluster complexes,which have been characterized by elemental analysis andstandard spectroscopic methods. In addition, single-crystalX-ray diffraction analyses were performed for 4 representa-tive new compounds. Reactivities of μ-〓 with mono- and di- Grig-nard reagents derived intermediates toward various organicelectrophilic substrates were studied, along with complexa-tion of arynyl-containing iron-sulfur clusters by 〓Thus, several bridged, non-bridged, monomeric, dimeric,homonuclear, heteronuclear iron-sullfur and iron-sulfur co-balt-carbon cluster complexes were synthesized. A novelreaction and convenient route for the synthesis in highyield of tetranuclear iron complexes 〓 containing atetracoordinated sulfur atom was discovered, whereas aplausible mechanism based on experimental results was propo-sed for the formation of the new cluster type.

鉴于有机铁硫原子簇化学在基础理论发展和应用方面的重要意义，因此我们开展了这一课题的研究，并取得以下主要成果： 1、本文共合成了51个新有机铁硫及含钴碳簇基的有机铁硫原子簇配合物，除用元素分析，NMR，IR，MS法表征其结构和构象外，还用X-光衍射技术测得四个代表性配合物的单晶结构和构象； 2、我们业已发现炔基Grignard试剂同〓可形成一种&开环&与&闭环&中间物的平衡混合物，研究该平衡混合物同各种亲电试剂的反应； 3、研究发现了一种可高产率地形成〓含〓四配位硫挛合簇的新化学反应并对此反应提出了—种有趣的反应机理； 4、首次由1，4-二溴丁烷双Grignard试剂与〓制得一种新型铁硫簇双硫阴离子活性中间体，并进而研究了它的亲核反应性能； 5、找到了通过〓的光化学反应来合成簇合物〓-〓的一条有实用价值的新路线。

The mechanisms of phosphate sorption on hydrotalcite and its calcined product are different, which has been confirmed by X-ray diffraction examination.

水滑石及其焙烧产物对磷的吸附具有不同的机理，并得到了X射线衍射的证实。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。