Appointments Chinese University PROFESSOR Wong Wing-hung has been appointed chairman and professor of the university's Department of Statistics. Previously, he was Professor of Statistics at the University of Chicago. City Polytechnic Wong Hon-yee has been named Head of the Industrial and Business Development Office. He received his MSc in Electrical Engineering and Computer Science from University of California in 1971. Seminars University of Hong Kong ''Cyclophilin, a Receptor of Immunosuppressive Drug Cyclosporin A, a Cis-Trans Isomerase, and Its Relation to HIV Gag Protein'' by Department of Chemistry. Chemistry Lecture Theatre P1, Chong Yuet Ming Chemistry Building. August 8, 4 pm. (English). Lectures University of Science and Technology ''Today's Science, Tomorrow's Technology'' by Professor J. Robert Schrieffer. Lecture Theatre B. August 8, 3-4 pm. (English). Chinese University ''Dealing With Disordered Eating Behaviour in Chinese Girls'' by University Health Service. Conference Room. August 9. 1-2 pm. (English). Conferences University of Science and Technology ''Merchants and Local Cultures'', Humanities Division. Room 7336D. August 8-10, 9 am-6 pm. (English). Exhibitions Chinese University Exhibition of Chinese archaic jades from the Kwan Collection. Art Gallery West Wing. Until October 9, 10 am-4.30 pm. Sunday, holidays, 12.30-4 pm. Miscellaneous University of Hong Kong Information week by Social Sciences Society. Lobby, G/F, K. K. Leung Building. Today to August 5, 9 am-5 pm. Introductory classes for freshmen by Social Sciences Society. LG Room 109. Geography and geology, 10.25 am; philosophy, 10.50 am; fine arts, 11.15 am; computer science, 11.40 am; mathematics, 12.05 pm; social work and social administration, 12.30 pm; statistics, 1.10 pm; economics and finance, 1.50 pm; management studies, 2.30 pm; politics and public administration, 3.10 pm; psychology, 3.50 pm; sociology, 4.30-5.10 pm. Tomorrow. (Cantonese). Chinese University Clinical Neuroscience Friday Lunch Time Meeting: ''Histology Session - CNS Tumour of the Month'' by Surgery, Medicine and Anatomical and Cellular Pathology departments. Seminar Room 4, Clinical Sciences Building. Tomorrow, 12.30-2 pm. (English).