Device evaluation, which is an essential skill set for the respiratory therapist, ranges from comparing manufacturer's specifications to comprehensive device testing, either with patients or on the bench. Good device evaluations help guide decisions about device selection, procedure development, and risk and failure analysis. Poor evaluations cost time and money and fail to return value. Manufa...

Correspondence to: Dr R M Howie, 12 Morningside Close, Edinburgh EH10 4DB, UK; robin.howie@ btclick.com _________________________ T his article is intended to outline the role of respiratory protective equipment (RPE) in a risk control programme and to provide advice on the steps in setting up and implementing an effective RPE programme so that occupational physicians can check the effectivenes...

INTRODUCTION In rural Australia, general practitioners (GPs) form the frontline for provision of medical services. Besides responsibilities for primary care via private practice, rural doctors often provide emergency and inpatient services for rural hospitals. The aim of this study was to determine access to difficult airway equipment and training among the GP-anaesthetist cadre in rural Austra...

The present paper is devoted to the distributed information system for support of research and educational process with remote access to informational and technical resources within the Intranet/Internet networks. The authors created the software and hardware of remote access and control described herein. This system is characterized by the network integration of computer-based research equipme...

We consider the problem of finding the mechanism that maximizes the revenue of a seller of multiple objects. This problem turns out to be significantlymore complex than the casewhere there is only a single object (which was solved by Myerson, 1981). The analysis is difficult even in the simplest case studied here, where there are two exclusive objects and a single buyer, with valuations uniform...

Setting prices for items is difficult because one needs to look at prices other substitutable as well as complimentary items. In a co-purchasing network, co-occurence of items can be exploited to tweak item prices for revenue maximization. In our report, we investigate the effects of co-occurrence of items on their prices. In general this problem seems to be NP-Hard. We propose heuristics based...

OBJECTIVE To compare occupational exposure to extremely-low-frequency magnetic field (ELF-MF) between dentists practicing in dental clinics and those employed in hospitals. METHODS Thirty-two dentists who worked at clinics (n=15) and 33 dentists employed at hospital dental departments (n=7) voluntarily provided their informed consent to participate in this measurement study. The study dentist...

In the present paper, we consider biflatness of certain classes of semigroupalgebras. Indeed, we give a necessary condition for a band semigroup algebra to bebiflat and show that this condition is not sufficient. Also, for a certain class of inversesemigroups S, we show that the biflatness of ell^{1}(S)^{primeprime} is equivalent to the biprojectivity of ell^{1}(S).

ophthalmic equipment, including surgical instruments and diagnostic devices, can be compared to the maintenance of a motor vehicle, something many of us understand well. If you had a car, would you drive it until the fuel runs out or until a tyre punctures, and then abandon it to buy a new car? Of course not. However, many eye care units purchase (or receive as a donation) expensive and delicat...