THE RELATIONSHIP BETWEEN SOLAR PROTON FLARES AND THE EXTRAORDINARY FLOOD ALONG THE YANGTZE-HUAIHE RIVERS IN 1991
zhou shu rong ma yue hua (purple mountain observatory; academia sinica; nanjing 210008) (national astronomical observatories; academia sinica; beijing 100012) fang cheng (department of astronomy; nanjing university; nanjing 210093)

..............page:3-9

ON THE FUNCTION OF THE SPECIAL LIBRARY IN THE PROGRAM OF KNOWLEDGE INNOVATION
zhang jian yuan gui lan (purple mountain observatory; academia sinica; nanjing 210008)

..............page:58-62

PROCESSING OF DISCONTINUITY OF EARTH SHADOW IN COMPUTING PERTURBATION OF LIGHT PRESSURE
wang xin liu lin (astronomy department; nanjing university; nanjing; 210093)

..............page:21-26

MAGNETIC SHEAR VARIATION DURING X-CLASS FRARES
zong bai-jun (zhenjiang normal college; zhenjiang 212003) song yi (purple mountation observatory; academia sinica nanjing 210008)

..............page:14-20

RELATIONS BETWEEN THE SOLAR FLARES AND THE AREAS OF SUNSPOT GROUPS
wu qin di zhou shu rong song yi (purple mountain observatory; academia sinica; nanjing 210008) (national astronomical observatories; academia sinica; beijing 100012)

..............page:10-13

A GPS REAL TIME CLOCK FOR ASTRONOMICAL CCD OBSERVARIONS
tan zheng (purple mountain observatory; academia sinica; nanjing; 210008)

..............page:39-48

A EPHEMERIS TYPESETTING SYSTEM
he yu nan yao hai yan cao yun fu yan ning cheng zhou (purple mountain observatory; academia sinica; nanjing 210008)

..............page:49-57

A NEW TEMPERATURE-STABILIZATION CIRCUIT FOR THE 3mm OSCILLATOR ON THE 13.7m RADIO TELESCOPE
wu jie qing ma jun mei liu qi li xin hai qin wu jian jiang (qinghai station of purple mountain observatory; academia sinica; delingha 817000) (delingha station of national astronomical observatories; academia sinica; delingha 817000)

..............page:34-38

INVESTIGATION OF THE INFLUENCE OF THE FILTERS DEGENERATION ON BV CCD PHOTOMETRY
yao bao an (shanghai observatory; academia sinica; shanghai 200030) (lab of astronomical data analysis; nanjing university; nanjing 210093) zhang chun sheng (purple mountain observatory; academia sinica; nanjing 210008) li qing (shanghai observato

..............page:27-33