CHENG with HIS TOYS and HAVING FUN

PROFESSIONAL ACTIVITY by Roger J. CHENG ATMOSPHERIC PHYSICS and CHEMISTRY MARINE AEROSOL and ENVIRONMENTAL TECHNOLOGY

*****SEASON'S GREETINGS***** from Roger J. CHENG: ASRC UALBANY SUNY

HOME EXHIBIT ATMOSPHERE OCEAN ENVIRONMENT LET IT SNOW SCIENCE EDUCATION COMMUNITY SERVICE CHINA CONNECTION CHENG'S HAVING FUN POWER PLANT EMISSION ACID RAIN FORMATION ECOLOGICAL EFFECT ALBEDO of CLOUDS BUILDING EROSION ATMOSPHERIC PTS CARBONACEOUS PTS AIR POLLUTION CONTROL The MICRO-WORLD in the THUNDERSTORM HOME ATMOSPHERIC SCIENCES SNOW and ICE CLOUD SEEDING FREEZING of A WATER DROP FRAGMENTATION of A FROZEN DROP MELTING of A FROZEN DROP CHARGE within An ICE CRYSTAL PUBLICATION and CITATION