1. Report of ICDD Regional (China) Committee X. L. Chen March 2006 Beijing National Laboratory for Condensed Mater Physics Institute of Physics Chinese Academy of Sciences

2. National Activities in 2005 Joint meeting of commission on powder diffraction, Chinese Society of Crystallography (CSC) and commission on X-ray diffraction, Chinese Society of physics, in Xinjiang, Aug. 7- 8,2005 1) Discussions on how to organize 9 th National Conference on X-ray Diffraction and ICDD Workshop Organizers: Commission on powder diffraction, Chinese Society of Crystallography Commission on X-ray diffraction, Chinese Society of physics Department of Engineering and Materials, National Natural Science Foundation International Centre on Diffraction Data Local organizer Zhejing Sci & Tech. University Oct. 15-18, 2006, Hangzhou * ~300 participants, * satellite meeting, * academic prize for young people * low registration fee ~125$; *4-day sightseeings

3. National Activity (Cont.) 2) introduction to the ICDD 2005 Spring Mettings; 3) Introduction to ICDD Ludo Frevel Crystallography Scholarship.

4. National Activity (Cont.) 2.Two task groups 1) task group 1 : that would be held in Hangzhou, Oct. 14 as a Satellite Conference of 9 th National Conference on X-ray Diffraction and ICDD Workshop; group leader: Prof. Weitao Zheng members: C. Wang M. Li J.T. Zhao C.H. Jiang W.H. Tang 2) task group 2 : group leader: Prof. Lingmin Zeng members: L.B. Liao H.W. Ma X.P. Song H. Ji Y.H. Huang D.S. Xue Seminar on X-ray Diffaction Analysis Sci. & Tech. Survey on the Distribution & Application of X-ray Diffrctometers in China

5. Joint meeting by ICDD regional committee, commission on powder diffraction (CSC) & commission on X-ray diffraction (CSP) in Xinjiang Aug. 7-8, 2005.

6. Introductions to the ICDD 2005 Spring Mettings & ICDD Ludo Frevel Crystallography Scholarship Xinjiang Aug. 7-8, 2005.

7. 1. PANalytical Day-China,2005 Shanghai, July 12-13, 2005 XRD & XRF 8 speakers ~100 participants 2. First Yangtze Triangle Regional Conference on X-ray Diffraction Changshu, Jiangsu Province, Oct 14-17,2005 ~60 paticipants 3. First North-Eastern Regional Conference on X-ray Diffraction Changchun, Jilin Province, Oct 25-26 ~60 participants Local Activities

8. Yangtze

9. Technical guide, North-Estern

10. 4. lectures in Tsinghua Univ. An introduction to Rietveld Method by Prof. X.L. Chen (Oct.12, 19, 26, & Nov. 2, 2005) About 150 undergraduate and graduate students attended the lectures. Local Activities

11. lectures in Tsinghua Univ. by Prof. X.L. Chen (Oct.12, 19, 26, & Nov. 2, 2005)

12. Activities in 2005 (Cont.) 5. Invited lectures in IOP, CAS Lecture 1: The Evolution of Material Identification Using X-ray Diffraction Analysis T. G. Fawcett, ICDD, ( Jul.15, 2005 )

13. The Evolution of Material Identification Using X-ray Diffraction Analysis T. G. Fawcett (Jul.15, 2005)

14. Discussions with local ICDD members T. G. Fawcett ( Jul.15, 2005 )

15. Discussions with IOP Ph.D students T. G. Fawcett (Jul.14, 2005)

16. Discussions with IOP Ph.D students T. G. Fawcett (Jul.18, 2005)

17. Order-disorder in natural and synthetic fluoride carbonates A. Ben Ali 1, V. Maisonneuve 2, M. Leblanc 2 1 Laboratoire de Chimie Inorganique et Structurale, Facult é des Sciences de Bizerte, 7021, Jarzouna, Tunisie 2 Laboratoire des Oxydes et Fluorures, Facult é des Sciences et Techniques, 72085, Le Mans, France Lecture 2: ( Aug.1, 2005 )

18. Order-disorder in natural and synthetic fluoride carbonates M. Leblanc ( Aug. 1, 2005 )

20. Forthcoming Events  Rigaku Users Conference on X-ray Diffraction Changchun, June, 2006  9 th National Conference on X-ray Diffraction and ICDD Workshop Hangzhou, Oct. 15-18