Superheated steam technology: Recent developments and applications in food industries.

Studies focused on superheated steam technology in the field of food processing have progressed rapidly over the past several decades, and this can be attributed to its remarkable heat transfer efficiency, energy-saving benefits, and environmentally friendly characteristics when compared to those of conventional thermal processing methods. Consequently, superheated steam technology holds great promise for a wider range of applications in the food industry. This study provides a comprehensive overview of the use of superheated steam technology in food processing and its impact on food quality, texture, and microbiological safety.

[Perception on AIDS infection risk and condom use among 2785 college students having had sexual experience in Zhejiang province].

Objective: To study the HIV infection risk perception, sexual behavior and condom use among college students who had sexual experiences.

Methods: Using data generated from a survey on AIDS related knowledge and risk perception and sexual behavior (conducted in a coast city of Zhejiang province in 2003), with a questionnaire involving self-reporting history of sexual experience. Software SPSS 12.