衍射光谱

Acetanilide,hexane diacid and potassium hydrogen phthalate were used as additives to improve polyvinyl chloride crystallinity.

通过傅里叶转换红外光谱、差示扫描量热法及广角X射线衍射法研究了乙酰苯胺、己二酸和邻苯二甲酸氢钾与聚氯乙烯的相容性及对聚氯乙烯结晶度的影响。

In this paper,acetanilide,adipic acid and potassium hydrogen phthalate were chosen as additives to advance polyvinyl chloride to crystallize. The effects of compress mold,annealing temperature and time,additive property and loading on the crystallization,microscopicmorphology and mechanical properties of PVC were studied by means of wide angle X-ray diffraction,differential scanning calorimetry,fourier transform infrared spectrophotometer,scanning electron microscopeand tensile test.

本文利用乙酰苯胺、己二酸和邻苯二甲酸氢钾作为聚氯乙烯结晶改性的添加剂，通过广角X-射线衍射法、差示扫描量热法、傅立叶转换红外光谱、扫瞄电镜和万能电子实验机研究了热压、热处理温度和时间、添加剂结构和质量分数对PVC结晶、微观形态和宏观机械性能的影响。

X-ray diffraction, infrared spectrum, Mossbauer spectrum, and absorption spectrum have been used to study allanite in some rare-earth deposit in this paper.

本文采用晶体场谱、穆斯堡尔谱、红外光谱和X射线衍射等多种手段研究褐帘石的谱学特征。

This paper introduces the mineralogical characteristics of the andalusite which include the physical and chemical conditions of the andalusite formation,crystalline structure,X-ray diffraction,chemical composition,chemical formula of crystal and infrared spectrum.

本文对该矿床红柱石的矿物学特征，包括红柱石形成的物理化学条件、晶体结构、X射线衍射、化学成分、晶体化学式及红外光谱特征等，进行了系统的研究分析。

The results show that spectrum switch is appearing in the vicinity of critical diffraction angle c.

结果表明，在临界衍射角θc附近光谱开关出现。

Because of wide spectrum bandwidth of the mode-locked laser, When the AOD works, the light spot of the 1 st diffraction order will be distorted by significant angular dispersion, thus reduces the spatial resolution of the image.

研究表明：由于飞秒激光在锁模情况下具有较宽的光谱带宽，经过AOD后的一级衍射光斑带有严重的角色散，导致光斑形状发生畸变，影响成像的空间分辨率。

Anorthite at high temperature lowers the ash fusion temperature.Key words:coal ash; mineral features;infrared spectrum;X-ray diffraction XRD

利用X-射线衍射和红外光谱从矿物学角度揭示煤灰熔融特性的差异，为高灰熔点煤在气化炉中有效利用提供基础数据。

The diffraction method is appreciably lower than that of the spectroscopic method.

衍射法的精确度显然低于光谱法的精确度。

The feasibility of using silk fibroin as materials for making microencapsule was investigated by preparing SF/Alginate, SF/Chitin and SF/Arabin blend films, determing their mechanical properties and testing their structure by means of X-ray diffraction and IR spectra.

本论文通过制备丝素蛋白与天然高分子材料——海藻酸钠、甲壳胺、阿拉伯树胶共混膜，测定其力学性能，同时利用X-射线衍射和红外光谱测定其结构，探讨了丝素作为微胶囊包囊材料的可行性。

In this paper, a quaternary ammonium salt of chitosan was synthesized and the factors affect on the solubility or degree of substitution of product, such as the concentration of alkali, the time of basification, the content of water in system, the time of dispersing and the method of adding epoxyproryltrimethylammonium chloride, were discussed in detail. The product was characterized by IR, DSC, TG and X-RAY diffraction. The effects of time, humidity and temperature on the gases permeability of the quaternary ammonium salt of chitosan film were researched.

本论文研究了壳聚糖季铵盐的合成反应，对碱化浓度、碱化时间、水的含量、分散时间和醚化剂的加入方式等因素对制备反应的影响进行了考察；应用红外光谱、DSC、TG以及X-射线衍射对产物进行了表征；探讨了时间、湿度和温度对壳聚糖季铵盐膜透气性的影响。

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。