ONYX OF LONG DURATION

The Energy of Long Duration Grbs

The energy release in gamma-ray bursts is one of the most useful clues on the nature of their “inner engines”. We show that, within the framework of the relativistic external shocks afterglow model, the narrowness of the observed X-ray luminosity of GRB afterglows, implies that the energy of the GRB jets after the early afterglow phase spans less than one order of magnitude. This result is not ...

Detection of Long-Duration Narrowband Processes

In this paper we are concerned with the detection of quiet narrowband signals. More specifically, we assume that these signals are: 1) extremely weak, with a signal-to-noise ratio (SNR) of ¡20 dB or below on a per-sample basis, 2) moderately long, of the order of minutes or tens of minutes, and 3) narrowband but not tonal, with, for example, a bandwidth of a few tens of Hz at a sampling rate of...

Long-duration transmission of information with infofuses.

This paper describes a new system for non-electronic communication that can transmit alphanumeric information encoded as pulses of light, over intervals of hours. The objective of this research was to design “infofuses” that improved the previously described systems in three ways: 1) they could transmit information for hours instead of seconds, 2) they could transmit long messages, and 3) they ...

Primary pulmonary hypertension of unusually long duration.

Desaturation during Onyx embolization.

Editor—The Onyx Liquid Embolic System (Onyx; Micro Therapeutics, Inc., Irvine, CA, USA) is a new non-adhesive liquid embolic agent and is currently being used at our institution in the embolization of cerebral vascular lesions. The disadvantage of Onyx is that it is dissolved in dimethyl sulphoxide (DMSO). Systemic toxicity, such as pulmonary oedema, bronchospasm, bradyarrhythmia, and even card...