Chemical Engineering

• Kirk-Othmer Encyclopedia of Chemical Technology
• Ullmann's Encyclopedia of Industrial Chemistry
• Encyclopedia of Bioprocess Technology: fermentation, biocatalysis, and bioseparation

Electrical Engineering

• Wiley Encyclopedia of Electrical and Electronics Enigneering
• Encyclopedia of RF and Microwave Engineering

Environmental Engineering

• Encyclopedia of Soil Science
• Encyclopedia of Water Science
• The encyclopedia of environmental studies / William Ashworth (1991)
  Rivera Ref : TD9 .A84 1991
• The green encyclopedia / Irene Franck and David Brownstone. (1992)
  Rivera Ref : TD9 .F73 1992
• The water encyclopedia / Frits van der Leeden, Fred L. Trois (1990)  
  Science Ref : TD351 .V36 1990
• Encyclopedia of garbage / Steve Coffel ; introducton by William L. Rathje
  Science Ref   TD785.5 .C64 1996 Ref
• Water Encyclopedia

Materials

• Materials Handbook: An Encyclopedia for Managers, Technical Professionals, Purchasing and Production Managers, Technicians, and Supervisors, Fifteenth Edition
• Encyclopedia of Materials - Science and Technology (11 volumes)
• Concise Encyclopedia of Plastics
• Encyclopedia of Materials Characterization
• Encyclopedia of Smart Materials

Mechanical Engineering

• The McGraw-Hill illustrated encyclopedia of robotics & artificial intelligence   
  UCR   Science Reference TJ210.4 .G53

Nanotechnology

• Dekker Encyclopedia of Nanoscience and Nanotechnology
• Encyclopedia of nanoscience and nanotechnology
  UCR Science Reference T174.7 .E53 2004

General Science and Engineering

• Encyclopedia of physical science and technology / Robert A. Meyers, editor.    
  UCR   Science   Q123 .E497 Ref
• Van Nostrand's scientific encyclopedia / Douglas M. Considine, editor ;
  UCR   Science   Q121 .V3 Ref
• McGraw-Hill encyclopedia of science & technology.  
  UCR   Science    Q121 .M3  Ref