Hydrocode simulations were conducted to analyze the non-linear response of 1100-O aluminum plates with semi-circular notches. Plates with constant notch depth and notch root radius were loaded (normal to the notch-tip plane) to the same shock stress while the notch spacing was varied. The resulting stress distributions were analyzed at specific locations between adjacent notches and then the ma...

As a method of chest drainage, we analyzed the extended utility of silastic flexible drains (Blake drains, Ethicon, Inc., Somerville, NJ) for general thoracic surgery. In 420 cases of general thoracic surgery, Blake drains were used. To examine the utility of Blake drains, we investigated the diseases for which they were used, their effectiveness in addressing postoperative complications. The t...

In the developed countries, many organizations are regarded a...

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We report a case of persistent left superior vena cava (PLSVC) incidentally recognized during the implantation of a cardioverter-defibrillator. PLSVC is the most common venous anomaly of the thorax and drains into the right atrium. There are a lot of publications reporting success of pacemaker or defibrillator lead implantations via PLSVC. In this article we present the technique of approaching...

the optimum road spacing has been studied by many researches. it is an important step of forest road network planning. the goals of this study are determining the optimum road spacing in kheiroudkenar forest of nowshahr in northern iran and study of effect of kind of skidder on skidding cost and road spacing. continues time study method was used to determine the production rate of taf and timbe...

Drains are a common feature of the post-operative management of surgical patients. While drains serve an important function they are also associated with complications such as haemorrhage, tissue inflammation, retrograde bacterial migration and drain entrapment. It is therefore essential that nurses are familiar with the monitoring and management of surgical drains, but also the process involve...

This study examined the effects of repetition and spacing of repetitions on amnesia patients' recognition and recall of a list of words. Like controls, amnesia patients recognized items better when repetitions were spaced compared with when they were massed. This finding was attributed to the additional rehearsal that distributed presentations typically encourage. Amnesia patients also showed n...