ULUBURUN – THE DISCOVERY AND EXCAVATION OF THE WORLD’S OLDEST KNOWN SHIPWRECK

The oldest and most exciting shipwreck ever discovered is that of a 15 metre Syro-Palestinian trading vessel whose cargo was sighted on the sea-bed by a sponge diver off a promontory called Uluburun, near Kas, on the south Turkish coast. The ship dates from about 1300 BC. According to Wachsmann (1998:xi) “The Uluburun shipwreck is without doubt the single most significant key to understanding Bronze Age seafaring”, and Bass (1998:49) adds that “few if any Bronze Age excavations in the past 50 years have been more important than the Uluburun shipwreck.

Clinical decision making on the use of physical restraint in intensive care units

AbstractPhysical restraint is a common nursing intervention in intensive care units and nurses often use it to ensure patients' safety and to prevent unexpected accidents. However, existing literature indicated that the use of physical restraint is a complex one because of inadequate rationales, the negative physical and emotional effects on patients, but the lack of perceived alternatives. This paper is aimed to interpret the clinical decision-making theories related to the use of physical restraint in intensive care units in order to facilitate our understanding on the use of physical restraint and to evaluate the quality of decisions made by nurses. By reviewing the literature, intuition and heuristics are the main decision-making strategies related to the use of physical restraint in intensive care units because the rapid and reflexive nature of intuition and heuristics allow nurses to have a rapid response to urgent and emergent cases. However, it is problematic if nurses simply count their decision-making on experience rather than incorporate research evidence into clinical practice because of inadequate evidence to support the use of physical restraint. Besides that, such a rapid response may lead nurses to make decisions without adequate assessment and thinking and therefore biases and errors may be generated. Therefore, despite the importance of intuition and heuristics in decision-making in acute settings on the use of physical restraint, it is recommended that nurses should incorporate research evidence with their experience to make decisions and adequate assessment before implementing physical restraint is also necessary

Requirements and Benefits of Implementing Just-In-Time Manufacturing for Small-Firm Manufacturers

This study explores the applicability of Just-In-Time (/IT ) manufacturing elements for small-firm manufacturers.  A survey of small-firm electronic firms  was undertaken  to identify  and  document  the level of /IT implementation alread y underway. Integrating concepts necessary for  successful  /IT  implemen­ tation along with the benefits of /IT are also discussed . It is suggested that /IT  manufacturing  is a viable and  useful strategy  to enhance the competitive  position  of small  manufacturing  firms

A Longitudinal Study of the Utilization of Production Management Techniques by Small Electronics Firms

This study is a longitudinal examination of the changes that have taken place in the utilization of production management tools and techniques through the 1981-1988 time period. Results suggest that small electronic manufacturing firms are actively attempting to improve the efficiency and effectiveness of their manufacturing  process. Of particular interest is the apparent emphasis on seeking  to contain costs while simplifying  the manufacturing process.

Anisotropic random resistor networks: a model for piezoresistive response of thick-film resistors

A number of evidences suggests that thick-film resistors are close to a metal-insulator transition and that tunneling processes between metallic grains are the main source of resistance. We consider as a minimal model for description of transport properties in thick-film resistors a percolative resistor network, with conducting elements governed by tunneling. For both oriented and randomly oriented networks, we show that the piezoresistive response to an applied strain is model dependent when the system is far away from the percolation thresold, while in the critical region it acquires universal properties. In particular close to the metal-insulator transition, the piezoresistive anisotropy show a power law behavior. Within this region, there exists a simple and universal relation between the conductance and the piezoresistive anisotropy, which could be experimentally tested by common cantilever bar measurements of thick-film resistors.Comment: 7 pages, 2 eps figure

Spin Glass Phase in Spin-Density-Wave Cr–Co Alloys

A spin glass (SG) phase was observed in the spin-density wave (SDW) alloys Cr1−xCox at high Co concentrations (x≥13%). After zero-field cooling, the temperature dependence of the magnetization M(T) of Cr0.87Co0.13 and Cr0.85Co0.15, measured in an applied field H=100 Oe with a SQUID magnetometer, exhibits a low T maximum, characteristic of a SG. Cooling in the measuring field, however, gives quite a different behavior. The field dependence of the magnetization M(H) is nonlinear, with a pronounced hysteresis. A strong time relaxation M(t) is also an indication of a SG phase. SG in Cr1−xCox is formed at high impurity concentrations, possibly due to clustering of the magnetic impurities