This paper introduces the related knowledge of crystal pattern and crystal fetish

X-ray diffraction technique is widely used in drug analysis. X-ray diffraction technique is an analytical method used to study the structure of a substance. This technique has many applications in drug analysis.

Powder X-ray diffraction, as one of the methods for the study of drug polymorphism, has the advantages of no sample destruction and simple operation.

X-ray diffraction spectroscopy mainly analyzes the crystal state and microstructure of materials, and there are two X-ray diffraction measurement methods for crystal analysis.

Automatic X-ray orientation instrument is an indispensable instrument for precision processing and manufacturing crystal devices. It is widely used in the research, processing and manufacturing of crystal materials.

In the past 10 years, the Institute of Physics of the Chinese Academy of Sciences has used powder diffraction method to determine the crystal structure of many inorganic and organic compounds.

The composition of the diffraction pattern is mainly the position and intensity of the diffraction peak, and our analysis of the XRD pattern is based on the changes in the intensity and position to explain the changes in the micro and macro of the material.

Micro-ct technology has significant advantages in the characterization of ceramics, which can reveal the composite structure inside the material without damage, and restore the key technology in the production of ceramics.

As one of the important means of material structure characterization, XRD is widely used in materials, physics, chemistry, medicine and other fields.

As a new material characterization technology, PDF (Pair Distribution Function) is useful in the study of the local structure of both crystal and amorphous materials.

The full name of XRD is X-ray diffraction, which uses the diffraction phenomenon of X-ray in the crystal to obtain the X-ray signal characteristics after diffraction, and gets the diffraction pattern after processing.