نتایج جستجو برای: crush force efficiency
تعداد نتایج: 571583 فیلتر نتایج به سال:
In this paper, the behavior of energy absorption of crush-boxes, made of Aluminum foam advanced material, was investigated based on foam cellular structure homogeneity. Therefore, thin-walled tubes of Cu-Zn30wt.%.brass alloy with 27 mm diameter and 1 mm thickness were filled with A356-10vol.%SiC-Xwt.%. of TiH2 foam liquid. Foam samples with 1, 1.5, 2wt.%. of TiH2 were prepared by Form Grip into...
In this study, 40 female albino wistar rats were used. The sciatic nerves were crushed for 20 seconds by a jeweler’s forceps. A single dose of 8 mg/kg of trapidil was administered to the treatment group intraperitoneally. After the crush injury, the crush site was excised on 2nd, 7th, 15th, 30th, and 45th days, fixed in formalin and then prepared for routine histological evaluation. Each sectio...
“Man is only a reed, the most feeble thing in nature, but he is a thinking reed. The entire universe need not arm itself to crush him. A vapor, a drop of water suffices to kill him. But, if the universe were to crush him, man would still be more noble than that which killed him, because he knows that he dies and the advantage which the universe has over him, the universe knows nothing of this.”...
A 51 year-old woman was found confused while crawling across a field. She had marked facial cyanosis and edema with cutaneous petechiae, subconjuctival hemorrhages, and echymosis across her anterior neck (image 1). Mild cerebral edema and a non-displaced thyroid cartilage fracture were found on computed tomography (CT) . The patient recovered full neuro-cognitive function within 24 hours and re...
OBJECTIVE To investigate the effects of the system tilt and back recline angles on the biomechanics of wheelchair propulsion for a group of older, disabled patients. It was hypothesized that increasing both the system tilt and backrest recline angles would have a positive effect on the biomechanical efficiency of manual wheelchair propulsion. DESIGN Three kinetic variables were estimated duri...
OBJECTIVES The present study aimed to investigate the difference in major adverse cardiac events (MACE) at 3 years after double-kissing (DK) crush versus culotte stenting for unprotected left main distal bifurcation lesions (LMDBLs). BACKGROUND The multicenter and randomized DKCRUSH-III (Comparison of double kissing crush versus culotte stenting for unprotected distal left main bifurcation le...
Following the Messina-Reggio Calabria earthquake (December 28, 1908) outstanding medical reports were published by Franz von Colmers (1875-1960), Antonino D'Antona (1842-1913), and Rocco Caminiti (1868-1940). The reports of D'Antona and Caminiti were heretofore neglected. Colmers, D'Antona and Caminiti described crush-syndrome. D'Antona who cured patients in shock also described two deaths due ...
lumbar vertebra, the tail being a little higher than the head. This corresponds pretty nearly to a transverse line drawn across the anterior abdominal wall, about 3 inches above the umbilicus. It will thus be obvious that blows or injuries received in front must be directed over a very limited area indeed in order to reach it; and not only so, but their force must be expended more or less direc...
Rhabdomylosis following crush injuries represents an occupational hazard in the off-shore fisheries. In northern countries this can be complicated by hypothermia and a long transport time to the nearest hospital. If treatment is delayed, what is initially a local limb injury can result in a potentially life threatening acute renal failure as a result of the nephrotoxic effects of the various in...
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