مؤلف: Florence KY Wu

Adolescent risk behavior is a growing problem in the global context. In many places, efforts are carried out to prevent the occurrence of adolescent risk behavior and to identify the best interventio …

Using the experience from the United States on positive youth development, researchers in Hong Kong developed the Project P.A.T.H.S., trained the potential program implementers and evaluated the deve …

Energy is essential to our Nation and our lives; we use energy to power homes and businesses and to transport people and goods, making it an important component of our economy. Reliable, clean and af …

The object of this book is to introduce the subject of ejector in refrigerating plants in view of energy savings. A first part concerns the use of an ejector in a heat-operated system for the product …