نتایج جستجو برای: belt
تعداد نتایج: 17540 فیلتر نتایج به سال:
Based mainly on field geological observation and geochronologic data, six tectonic units have been recognized in western Inner Mongolia (China), including, from south to north: North China Craton (NCC), Southern Orogenic Belt (SOB), Hunshandake Block (HB), Northern Orogenic Belt (NOB), South Mongolia microcontinent (SMM), and Southern margin of Ergun Block (SME), suggesting that the tectonic fr...
BACKGROUND AND PURPOSE Numerous studies have demonstrated higher stroke mortality rates in adults residing in the Southeastern United States (the "Stroke Belt"). If the Stroke Belt is solely caused by regional differences in atherosclerotic stroke risk factors, it should not apply to children. METHODS For the years 1979 to 1998, we determined rates of death from stroke in children <20 years o...
The objective of this experiment was to compare the effects of belt grill and Open Hearth electric broiler cookery on palatability and cooking traits of longissimus steaks. The longissimus thoracis from carcasses of grain-fed steers or heifers was used. Duplicate measurements were made for Warner-Bratzler shear force at 3 and at 14 d after slaughter (n = 180) and trained sensory evaluation at 1...
Objective: To develop a scrotum belt for supportive care of patients with hydrocele, and to evaluate its application in a clinical trial. Methods: A scrotum belt was developed based on a comprehensive literature review and expert consultations. Sixty patients who underwent surgery for hydrocele were randomly divided into experimental and control groups (N=30 for both). Patients in the experimen...
Six male music theatre singers were recorded in three different voice qualities: legit and two types of belt ("chesty" and "twangy"), on two vowels ([e] and [ɔ]), at four increasing pitches in the upper limit of each singer's belt range (∼250-440 Hz). The audio signal, the electroglottographic (EGG) signal, and the vocal tract impedance were all measured simultaneously. Voice samples were analy...
OBJECTIVES This article presents the response of a child-size postmortem human subject using a booster seat in a series of three frontal impact sled tests. METHODS A 54-year-old female cadaver was seated in a booster seat in the rear seat of a buck representing a mid-sized American sedan. Two different restraint systems (conventional belt and pretensioning, force-limiting belt) were used to r...
BACKGROUND The use of safety belts is the single most effective means of reducing fatal and nonfatal injuries in motor vehicle crashes. If all motor vehicle occupants consistently wore safety belts, an estimated 9553 deaths would have been prevented in 1999 alone. METHODS The Guide to Community Preventive Services's methods for systematic reviews were used to evaluate the effectiveness of thr...
Rubber belt not only is one of the key components of belt conveyor, but also affects the overall performance of the core part. Research on dynamics analysis of large conveyor not only helps to improve the reliability and design level, but also can guide the rational selection of conveyor safety factor, and effectively reduce the cost of the conveyor belt. Based on unique viscoelastic properties...
Using energy absorption systems in the structures with malfunctioning components is of paramount importance. By absorbing the seismic energy, these systems help the components of the structure to remain resilient during earthquake. In the present study, viscous dampers were applied in order to enhance the reactions of tall building with belt truss. To assess the response of a structure under e...
BACKGROUND Omega-3 fatty acids from fish have been shown to have favorable effects on platelet aggregation, blood pressure, lipid profile, endothelial function, and ischemic stroke risk, but there are limited data on racial and geographic differences in fish consumption. METHODS Reasons for Geographic and Racial Differences in Stroke (REGARDS) is a national cohort study that recruited 30,239 ...
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