نتایج جستجو برای: crush force efficiency
تعداد نتایج: 571583 فیلتر نتایج به سال:
Disasters result in a substantial number of renal challenges, either by the creation of crush injury in victims trapped in collapsed buildings or by the destruction of existing dialysis facilities, leaving chronic dialysis patients without access to their dialysis units, medications, or medical care. Over the past two decades, lessons have been learned from the response to a number of major nat...
in the natural disasters such as earthquake, based on severity of trauma, time under the rubble and quality/quantity of hydratation we will confront with a spectrum of traumatic rhabdomyolysis. in present study we evaluate victims of bam earthquake to show different stage of muscle trauma, from minor trauma with almost normal level of muscle enzyme to those with moderate trauma leading to crush...
Planktonic foraminifera are a source of important geochemical, palaeoceanographic, and palaeontological data. However, many aspects of their ecology remain poorly understood, including whether or not gross morphology has an ecological function. Here, we measure the force needed to crush multiple planktonic foraminiferal morphotypes from modern core top and tow samples. We find significant diffe...
A new three-dimensional collision simulation algorithm, called DyMESH (Dynamic MEchanical SHell) was recently introduced.[1]* This paper presents a validation of DyMESH for vehicle vs. barrier collisions. The derivation of the three-dimensional force vs. crush relationship was described previously.[1] Here the application of threedimensional force vs. crush curves using the outlined methodology...
To investigate the energy absorption characteristics and crush behavior of layered aluminum honeycomb, the experiments of layered aluminum honeycomb structure under quasi-static load had been carried out, mainly includes single, double, triple, four layer combinations. The results showed that: the peak force and the mean plateau force of single-layer aluminum honeycomb structure are proportiona...
Different organic materials possessing antimicrobial properties have the ability to retard nitrification. Nitrification retarders could be successfully used to improve fertilizer efficiency if the retarders do not increase ammonia volatilization as well. The main objective of this study was to find whether any locally available organic materials namely cow dung, seed crush of Syzygium cumini, L...
BACKGROUND The objective of this study is to report the clinical and radiological characteristics and early and long-term survival of a series of acute traumatic aortic injuries (ATAI) in crush trauma patients, and to compare such data with our last 30 years experience managing ATAI in deceleration non-crush trauma patients. METHODS From January 1980 to December 2010, 5 consecutive ATAI in cr...
Arrays of chronically implanted electrodes were used to examine the time course of elongation and maturation of peripheral nerve fibers in the cat after crush of the tibial nerve in the proximal calf. Regeneration after crush alone was compared with crush 5 mm proximal to a tight constriction of the nerve. Regeneration was monitored by the progression of excitability along the electrode arrays ...
course of elongation and maturation of peripheral nerve fibers in the cat after crush of the tibial nerve in the proximal calf. Regeneration after crush alone was compared with crush 5 mm proximal to a tight constriction of the nerve. Regeneration was monitored by the progression of excitability along the electrode arrays on the tibial and plantar nerves. The sensitivity was sufficient to recor...
In this paper, crashworthiness characteristics of conical steel tubes stiffened by annular rings and rigid polyurethane foam are investigated. For this purpose, wide circumferential rings are created from the outer surface of the conical tube at some determined areas along tube length. In fact, this method divides a long conical tube into several tubes of shorter length. When this structure is ...
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