Newly Developed X-Ray Stress Analyzer by Using a PSPC.

Stress Errors Associated with Miniaturization of X-Ray Stress Analyzer

The problems caused by miniaturization of the goniometer are discussed from the viewpoint of the stress error caused by mis-setting of the specimen and misalignment of the collimator and detector for the Q assembly X-ray stress analyzer using a position sensitive detector. The stress errors were calculated using a model and a simulation method. It was found that they tend to increase with the d...

Assessment of Pelvic Shape by a Newly Developed Posture Analyzer in Young Women in Japan

Background: Body composition has been changing along with change in the life style environment but there have been no studies on pelvic size by objective anthropometric assessment in young Japanese women. The objective was to examine pelvic shape by measuring the angle of inclination (AOI) and the distance between right and left anterior superior (AS) iliac spines. We also investigated associat...

A Newly Developed High-temperature Chamber for in Situ X-ray Diffraction: Setup and Calibration Procedures

Evaluation of image lag in a flat‐panel, detector‐equipped cardiovascular X‐ray machine using a newly developed dynamic phantom

We developed a dynamic phantom for use in routine checks. This phantom can be used to physically evaluate image lag that occurs in dynamic images. It has a unique measurement method. ROIs on the target are chosen, and, with the position of ROIs fixed on the image, changes in pixel value are detected physically when the target passes through the ROIs over time and perceived as image lag. Thus, i...

A Search for X-ray Counterparts of Gamma-ray Bursts with the Rosat Pspc

We search for faint X-ray bursts with duration 10–300 seconds in the ROSAT PSPC pointed observations with a total exposure of 1.6×107 s. We do not detect any events shorter than ∼ 100 s, i.e. those that could be related to the classic gamma-ray bursts (GRB). At the same time, we detect a number of long flares with durations of several hundred seconds. Most, but not all, of the long flares are a...