Buried Celluloid

Alpha Particle Track Detection with Celluloid Films

The solid state track detector of celluloid films (cellulose nitrate+camphor 25% an weight) using etching technique is suitable for low energy alpha particle detection . The critical rate of energy loss for track formation in celluloid films is determined as 1 .3 MeV/mg•Ecm2. Irradiated samples are etched in NaOH (6 N) solution at 46•Ž for 10 minutes . The etched tracks are observed under a vie...

From ‘ Celluloid Comrades ’ to ‘ Digital Video

A Celluloid Capsule for Measuring Venous Pressures.

The methods of determining human venous pressure directly by venous puncture and indirectly in various ways have been reviewed by Eyster, 1926, 1929. Among the indirect methods that of applying a capsule to a superficial vein has been most used. The air within the capsule is raised to a pressure sufficient to collapse the vein, a pressure therefore estimated approximately equal to the blood pre...

The Preparation and Uses of Celluloid Splints

Blast Mitigation Analysis of Semi-Buried Structure

Semi-buried structures are most commonly used at first line of defense along the border between two countries. This demands investigation of their dynamic behaviour under blast loading. Herein, a semi-buried structure with foam sandwiched walls and buttresses to reduce the effect of blast is analysed. The effect of provision of different configurations of buttresses and foam core between two la...