衍射线

It is a new technique to synthesize SAPO 34 molecular sieve using cheap triethylamine (Et 3N) as the template, and the selectivity of this molecular sieve for ethene and propene can be improved further.

采用X射线衍射、扫描电镜、氨吸附红外光谱及核磁共振等表征手段，研究了以氟化氢三乙胺为复合模板剂合成的SAPO 34分子筛。

When theresin concentration exceed 10%,three types of recovery swelling experiment indicate that thetransverse compressive deformation was almost 100% fixed.The X-ray and FTIR spectra ofcompressive wood treated by PF show that the width of crystalline region and crystallinitywas hardly changed comparing with untreated wood;Esterified carbonyl degree at 1736cm-1and the end carbon degree of semicellulose at 897cm-1 increased.

当树脂浓度超过10％时，三种循环膨胀实验证明，木材横纹压缩变形几乎100％被固定。X-射线衍射谱图和FTIR光谱表明，PF预聚物处理后的压密材同素材相比，结晶区的宽度和结晶度几乎没发生改变；1736cm-1处酯化羰基峰强度增加，897cm-1处半纤维素异头碳(C1)峰强度增加。

Test methods such as ATR, IR transmission method, Raman spectroscopy, DSC(Differential scanning calorimeter), X-ray diffraction are used to investigate the assemble structure of the modified silk materials. And its microstructure is observed by SEM. Stannic acid is used to characterize the microvoids in the silk fibers and the mechanical properties of modified silk fibers are also tested in the paper.

本文采用了透射和全反射两种红外光谱吸收法、激光拉曼光谱法、差示扫描量热法、X射线衍射法等测试手段研究了改性真丝纤维的聚集态结构，采用扫描电子显微镜法研究了改性真丝纤维的微观结构，采用锡酸处理法对丝纤维内部的微孔进行了表征，并对改性后真丝纤维的力学性能作了测试分析。

Differential Scanning Calorimetry and Small Angle X-ray Diffractometry were used to characterize the phase transitions in lamellar liquid crystal systems containing water, alkyl polysorbates, sorbitan esters, stearyl alcohol and oil. The order-disorder transition temperatures of the gelled O/W and W/O globular onion lamellar phases L(subscript O1) and L(subscript O2) and planar gelled lamellar phase L(subscript β) were measured as a function of system compositions.

采用示差扫描量热法和小角X射线衍射测试技术表征了由聚氧乙烯醚失水山梨糖醇脂肪酸酯、失水山梨糖醇脂肪酸酯、直链脂肪醇和挥发性物质组成的层状液晶体系的相转变特性，测定了水包油和油包水球形洋葱层状液晶L(下标 O1)和L(下标 O2)及平面层状液晶L的有序－无序的转变温度与体系组成之间的关系。

Described in chapter 3 is the immediate application of the Clemmensen reductive rearrangement reaction to the polycyclic system as illustrated in a elaboration of the 5-6-7 tricyclie core skeleton of Stemona alkaloids in 5 steps: N-alkylation, [3, 2] -sigmatropic rearrangement, Dieckmann condensation, oxidative cyclization, reductive rearrangement, starting from ethyl pipecolinate hydrochloride.

我们以哌啶酸乙酯为起始原料，经氮烷基化，[3，2]-σ重排，Dieckmann缩合，自由基环化，6-6-6元环系到5-6-7元环系的还原重排五步反应，高收率地构筑了百部生物碱的5-6-7氮杂三环骨架，并用X射线晶体衍射法确定了其结构。

In current study, the laser shock processing technique of high energy and short pulse duration is adopted. The substructural transformation characteristics and mechanisms of 2Cr17Mn15Ni2N austenitic stainless steel, subjected to ultra-high strain-rate and impact stress in excess of dynamic yield strength of the target, are investigated by scanning electron microscope, X-ray diffraction and transmission electron microscope technology.

采用高能短脉宽激光冲击加载技术，利用扫描电子显微镜，X射线衍射和透射电子显微镜等手段，研究了在激光诱导的超高应变率和高于材料动态屈服强度冲击加载条件下，2Cr17Mn15Ni2N奥氏体不锈钢表面亚结构的转变特征和机制。

Cold crystallization process of N-(1-naphthyl) succinimide below glass transition temperature was monitored by differential scanning calorimetry and X-ray diffraction.

采用x射线粉末衍射和差示扫描量热分析方法，跟踪研究了N-（1-萘基）琥珀酰亚胺的液氮淬冷样品在室温(25℃)即在玻璃化转变温度以下的冷结晶行为。

Infrared spectrum, X-ray diffraction, transmission electron microscopy and conductivity measurement were employed to investigate the properties and structure of polyaniline samples, which were synthesized by emulsion polymerization with different concentrations of ammonium peroxydisulfate and dodecyl-benzene sulphonic acid.

采用红外光谱、X射线衍射、透射电子显微术结合电导率测量，研究了以过硫酸钱为氧化剂，十二烷基苯磺酸为掺杂剂，通过乳液聚合法合成的聚苯胺的性能与结构。

The TiO_2 (100~300 nm) nanofibers were achieved after the TiO_2/PVP hybrid nanofibers teated with solvent, then calcinated at 450℃in air. The crystal type of TiO_2 nanofibers was analysed by XRD.

将这种纤维溶剂处理，然后在空气中下以450℃煅烧除去PVP，得到直径为100~300nm的TiO_2纳米纤维，由X射线衍射分析了TiO_2的晶型。

Two new complexes, [Mn22(H2bta)2(H2O)]n (1) and [Cu2(H2bta)0.5(H2O)]n (2)(H4bta＝1,2,4,5-benzene- tetracarboxylic acid, L＝imidazo[4,5-f][1,10]phenathroline) were prepared under hydrothermal conditions and their structures determined by single-crystal X-ray diffration.

在水热条件下合成了两个新的配合物，[Mn22(H2bta)2(H2O)]n和[Cu2(H2bta)0.5(H2O)]n，其中(H4bta=1，2，4，5-benzenetetracarboxylic acid， L= imidazo[4，5-f][1，10]phenathroline )，通过单晶X射线衍射仪对其结构进行了测定。

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。