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Fatigue in the masseter and temporalis muscles at constant load.(PHYSIOLOGY)(Clinical report)
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ABSTRACT: Fatigue is usually defined as the point at which a particular level of force can be no longer maintained. In the present study, surface EMG of the masseter and temporalis anterior muscles was measured in ten healthy young adults performing a unilateral molar (right side) clench. The subjects clenched on a bite force transducer at a fixed force level of 13 kg (127 N) as long as they could (endurance). The test ended when the subjects could no longer produce the required bite force. From the EMG recordings, the median power frequency was calculated at the beginning of ...
<0.02 at post hoc test). The modifications in the temporalis muscles were not significant (p><0.05, paired Student's t). The left side muscles modifications (p>
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The submersible wastewater pump story.
Magazine article from: National Driller
; ...Originally used in Europe, submersible wastewater pumps first...the mid-1950s. Submersibles now are the dominant...station market. A submersible lift station includes...discharge sizes for larger submersibles range from 3-inch...the application. Submersible pump motors can be...
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EPA's Lead Leaching from Submersible Well Pumps. (excerpts from Environmental Fact Sheet issued by EPA/s Office of Prevention, Pesticides and Toxic Substances) (Special Report)
Magazine article from: Journal of Environmental Health
; ...several models of new, previously unused submersible pumps with brass and bronze components...leaching from brass and/or bronze submersible pumps? Who may be affected? Anyone who gets drinking water from a well with a submersible well pump that has brass or bronze parts...
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Sen. Lautenberg Introduces Bill Concerning Submersible Vessel Operation without Nationality
News Wire article from: US Fed News Service, Including US State News
; ...S. Code, with respect to the navigation of submersible or semi-submersible vessels without nationality." The bill, introduced...States Code, with respect to the navigation of submersible or semi-submersible vessels without nationality...
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Shortraker rockfish, Sebastes borealis, observed from a manned submersible.
Magazine article from: Marine Fisheries Review
; ...cannot sample effectively. The two-man submersible Delta was chartered by the National...rockfish could be observed from the submersible and, if so, to obtain information...spatial distribution and habitat. Methods Submersible dives were made at eleven sites on the...
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Rep. Lungren Introduces Bill Concerning Operation of Submersible Vessel without Nationality
News Wire article from: US Fed News Service, Including US State News
; ...prohibit operation by any means or embarking in any submersible or semi-submersible vessel that is without nationality and that is...prohibit operation by any means or embarking in any submersible or semi-submersible vessel that is without...
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Benefits of drywell submersible pump stations.
Magazine article from: Public Works
; ...centered over the equipment. Drywell submersible pumps retain the advantage of equipment...drywell systems has proven to be high, as submersible pumping technology has been widely accepted...support in the U.S. over the years. Submersible pump manufacturers have developed and...
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Increasing Application of Submersible Pumps in the Water and Wastewater Industry Ensuring Growth.
M2 Presswire
; ...Markets: Increasing Application of Submersible Pumps in the Water and Wastewater Industry...Sullivan's new report "North American Submersible Pump Markets" to their offering. Municipal...sustain the growth of the North American submersible pumps market. The municipal wastewater...
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Selecting and sizing submersible pump cable.(Tech Topics)
Magazine article from: National Driller
; ...two classifications of insulated multi-conductor cable used in submersible applications--submersible pump cable, and underground feed cable, known commonly as UF. Submersible pump cable is used between the wellhead and the pump in submersible...
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Submersible pumps. (mine dewatering)
Magazine article from: Mining Magazine
; ...risk of flooding, submersible, highly wear-resistant...years, more powerful submersibles have come on the market...Face pump Small, submersible units are used to...level. These small submersibles are in a range of...wear resistance, submersible, able to withstand...
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SEAmobile submersibles: A new tool for the subsea industry
Magazine article from: Sea Technology
; ...budgets. SEAmobile Submersible Concept The SEAmobile submersible design holds a...practical, today's submersibles must be logistically...Flotation System Small submersibles are always most...thrusters, the submersible is very maneuverable...
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