This paper deals with a study of geologic structures using 8 X enlargements of Apollo-Soyuz Test Project color photographs. The two study areas are Abu Rawdsh and Whdi el NatrQn; both are in the northern part of the Western Desert of Egypt. Because the structures are small, aerial photographs were studied and field checks were made to verify the findings from Apollo-Soyuz photographs. The Apoll...

size reduction of high energy materials such as 1, 3, 5, 7-tetranitro- 1, 3, 5, 7-tetraaza cyclooctane (hmx) has considerable influences on improving their explosive characteristics. in this study, nanosized hmx par­ticles were produced using ultrasonically reprecipitation method by applying water as a safe and accessible antisolvent instead of unsafe conventional methods. sem photographs revea...

BACKGROUND This was a method comparison study. The aim of study was to compare caries information obtained from a full mouth visual examination using the method developed by the British Association for the Study of Community Dentistry (BASCD) for epidemiological surveys with caries data obtained from eight, six and four intra-oral digital photographs of index teeth in two groups of children age...