衍射线

Benzoyl chloride was treated with potassium selenocyanate in dichioromethane by using polyethylene glycal-400 as the solid-liquid phase transfer catalyst to yield the corresponding benzoyl isoselenocyanate. This intermediate did not need to be isolated and directly reacted with arylamines, affording the N-benzoyl-N'-arylselenoureas 2a~2p. These compounds were characterized by IR, 1H NMR spectra and elemental analysis and the single crystal structure of 2k has been confirmed by X-ray crystallographic analysis.

以PEG-400为固液相转移催化剂，通过苯甲酰氯与硒氰酸钾反应合成了中间体苯甲酰基异硒氰酸酯，该中间体不需分离，直接与芳胺反应，得到N-苯甲酰基－N'-芳基硒脲(2a~2p)，这些化合物用1H NMR，IR及元素分析进行了表徵，并用X射线单晶衍射确定了化合物2k的单晶结构。

A new complex, [(C6H6N2O)2Co(H2O)2] Br2 was prepared from picolinamide, Co(NO3)2 and benzyl bromide, and characterized by X-ray diffraction.

用皮考林酰胺、六水合硝酸钴和苄基溴反应制得一种新配合物[(C6H6N2O)2Co(H2O)2]Br2，通过红外光谱、元素分析及X射线晶体衍射对化合物进行了表征。

The structure, morphology and thermal properties of the iron nanoparticles were investigated by means of X-ray diffraction, transmission electron microscopy, oxygen bomb calorimeter and themogravimetry.

采用X射线衍射能谱、透射电子显微镜、氧弹量热计和热分析测试技术表征了纳米铁微粒的结构、形貌及热性能。

The compositions of complexes were determined as, by chemical and elemental analyses, Mn2CI2, Mn2Cl2, Cu2Cl2-2H2O, Cu(NO3)2-H2O, Cu(CH3COO)2, Zn2Cl2, Zn2(NO3)2-4H2O,ZnSO4 and Zn4(NO3)2, respectively. These complexes were characterized by IR,'H NMR and XPS. The crystal structures of these complexes were determined by single crystal X-ray diffraction techniques. The thermstability of the complexes was investigated by TG-DTG and the processes of their thermal decomposition were speculated. The constant-volume combustion energies of complexes, cU, were determined by a precision rotating bomb calorimeter at 298.15 K. Their standard enthalpies of formation, Hm, were calculated respectively. Finally, their biological activity was researched after the bactericidal activity was determined by selection of 1-2 bacteria.

通过化学分析、元素分析确定化合物分子组成分别为Mn_2Cl_2，Mn_2Cl_2，Cu_2Cl_2·2H_2O，Cu(NO_3)_2·H_2O，Cu(CH_3COO)_2，Zn_2Cl_2，Zn_2(NO_3)_2·4H_2O，ZnSO_4和Zn_4(NO_3)_2；借助IR、~1H NMR和XPS对化合物的键型特征进行了表征，运用X-射线单晶衍射分析法测定了个别化合物的晶体结构；以TG-DTG技术研究了化合物的热稳定性，阐明了它们的热分解机理；用精密转动弹热量计测定了化合物在298.15 K的恒容燃烧能，并计算了它们的标准燃烧焓和标准生成焓；选取1～2种病菌，初步测定了化合物的杀菌活性，进而研究了它们的生物活性。

RO_2·8% Y_2 O_3 was deposited by rf magnetron sputtering on NiCrAlY bond coat,thermal cyclingand fused salt effect experiments were made under the condition of 1100℃ room temperature 1100℃ cold water , and 900℃ room temperature,and were investigated by XRD and SEM,The results showthat ZrO_2·8% Y_2 O_3 deposited appears mainly as cubic and a little monoclinic phase and tetragonalphase.

将ZrO_2·8％Y_2O_3用射频磁控溅射技术沉积在NiCrAlY底涂层上，进行ll00℃→室温，1100℃→冷水和900℃→室温等热周期和熔盐作用的试验。随后进行X－射线衍射分析和扫描电镜（8EM）观察。结果表明，沉积态的氧化锆层主要为立方相和少量单斜相及四方相。

EDS results show that the content of carbon is 7.37% in nano-diamond/Ni brush electroplated composite coating. XRD results show that as the amount of nano-diamond increases, the grain size of coatings becomes smaller.

能谱仪分析结果表明，nano-diamond/Ni复合刷镀层中纳米颗粒特征元素C的质量分数为7.37%。X射线衍射分析结果表明，随着纳米金刚石加入量的增加，镀层表面晶粒尺寸逐渐减小。

Traditional Ni coating and brush electroplated composite coating of nano-diamond/Ni are prepared respectively on 45(superscript #) steel matrix. A comparative study of the structure and performance of the two brush electroplated composite coatings is carried out by metallographic microscope, scanning electron microscope, energy dispersive spectrometry and X-ray diffraction.

以45钢为基体，制备了普通镍镀层和nano-diamond/Ni复合刷镀层，采用扫描电镜、能谱仪、X射线衍射仪和金相显微镜等设备对比研究了两种镀层的组织形貌。

In this experiment,X-ray diffraction apparatus was used forthe first time to examine and research on microdensity,crystallinity and microfibril angle.Through research on the radial variation of bamboo microdensity,this paper points out the conceptions of bamboo hull density and bamboo pulpdensity,and this provides basis for the multiple layer utilization of bamboo.Using computer image-processing technology to carry on precise examinationvolume fraction of bundle sheath,that is key factor to reveal the relationshipbetween bamboo structure and properties.For the first time using resonantvibration means to test the dynamic elastic module,the result shows very ideal.And for the first time researched on the variability of electric conductivityproperty of bamboo.

在本次实验中，首次使用X射线衍射仪对竹材的微密度、结晶度、微纤丝角进行测定和研究，深入研究了竹材微密度的径向变异规律，首次提出竹青密度和竹肉密度的概念，为竹材的径向分层利用提供依据；首次使用微机图象处理技术对竹材的组织比量，主要是纤维束比量进行了精确测定，从而为揭示竹材结构与材性关系打下基础；首次使用共振法对竹材的动态弹性模量进行测定和研究，测量结果是比较理想的；首次研究了竹材导电性的变异。

Five typical coals of low-to-medium rank (Huolinhe brown coal, Majiata non-caking coal, Datong weakly caking coal, Huozhou gas coal, Lingshi fat coal) and their macerals are prepared. The molecular structure and the oxygen functional groups of the selected coals and their macerals are studied by means of the conventional coal properties analysis, chemical analysis and the advanced instrumental methods such as FTIR,XRIK 13C-NMR.N XPS. The molecular structure characteristics, regularities and the results are discussed. Additionally, the total oxygen content and distribution characteristics of different oxygen functional groups in the raw coals and their macerals are studied.

本文中选取了中低变质程度煤中的五种典型煤种——霍林河褐煤、马家塔不粘煤、大同弱粘煤、霍州气煤、灵石肥煤以及它们的不同显微组分作为研究对象，采用了常规的煤质分析、化学分析法以及先进的仪器分析法如傅立叶变换红外光谱、X射线衍射、高分辨固体~(13)C核磁共振谱~(13C-NMR及X光电子能谱等方法，全面地研究分析了所选煤样的惰质组、镜质组的分子结构及煤中氧的赋存形态，得到所选煤样惰质组分的分子结构特征及结构参数，分析比较了惰质组与镜质组在分子结构上的差异性，并讨论了惰质组分的分子结构特征及结构参数随煤变质程度的变化规律；同时，通过研究得到了所选原煤样及其显微组分中总氧含量及各种不同类型含氧官能团的含量分布特征。

In this paper several technologies, such as Fourier transform infrared spectroscopy, elemental analyzer, wide angle X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy and high resolution transmission electron microscopy were used to systemically investigate the evolution of crystal structure, chemical structure, microstructure and properties of wet-spinning and dry-jet wet-spinning PAN precursor fibers during proxidation and carbonization process, analysis the structural change of carbon fibers during graphitization, and discuss the correlation between the structure and properties.

本文采用傅里叶变换红外光谱、元素分析仪、X射线衍射仪、场发射扫描电镜、透射电镜以及高分辨透射电镜等测试技术，分别系统研究了湿纺原丝和干喷湿纺原丝在预氧化和碳化过程中纤维晶体结构、化学结构、微观结构和力学性能的演变规律，分析了碳纤维在石墨化过程中的结构转变，并对碳纤维结构与性能的相关性问题作了探讨。

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。