نتایج جستجو برای: thrust

تعداد نتایج: 9516  

The Electromagnetic Aircraft Launch System (EMALS) is being developed utilizing electrical and electronic technologies. EMALS is emerging in order to replace the existing steam catapult on naval carriers. Recently, the double-sided linear launcher has drawn increasing attention of researchers. This paper presents the design and analysis of the Linear Hybrid Reluctance Motor (LHRM). This new mot...

Background & Aims: The aim of this study was to compare trapezius squeezing and jaw thrust to evaluate suitable conditions for laryngeal mask airway (LMA) insertion. Materials & Methods: In this clinical trial study, 138 patients with ASA physical status 1 or 2 who were candidates for elective surgery of shin fracture were randomly assigned into one of the groups of trapezius squeeze and raisi...

2014
Jaime Salom-Moreno Joshua Aland Cleland César Fernández-de-las-Peñas

Objective: The purpose of this study was to compare the effects of thoracic thrust manipulation vs thoracic non–thrust mobilization in patients with bilateral chronic mechanical neck pain on pressure pain sensitivity and neck pain intensity. Methods: Fifty-two patients (58% were female) were randomly assigned to a thoracic spine thrust manipulation group or of thoracic non–thrust mobilization g...

2002
Nicholas W. Hayman

We present new geologic maps of the Lake Champlain region of west-central Vermont and east-central New York State. This region contains a shallow-crustal section of an Ordovician foreland basin and a far-traveled thrust system that transported the Upper Cambrian–Lower Ordovician platform-sequence, allochthonous risefacies pelites and arenites and Middle Ordovician basinal shales and flysch. Ear...

2015
Kotoe Sakihara Masumi Inagaki

We aimed to investigate the mu rhythm in the sensorimotor area during tongue thrust observation and to obtain an answer to the question as to how subtle non-verbal orofacial movement observation activates the sensorimotor area. Ten healthy volunteers performed finger tap execution, tongue thrust execution, and tongue thrust observation. The electroencephalogram (EEG) was recorded from 128 elect...

Journal: :The Review of scientific instruments 2012
Andrea R Wong Alexandra Toftul Kurt A Polzin J Boise Pearson

A thrust stand calibration technique for use in testing repetitively pulsed electric thrusters for in-space propulsion has been developed and tested using a modified hanging pendulum thrust stand. In the implementation of this technique, current pulses are applied to a solenoid to produce a pulsed magnetic field that acts against a permanent magnet mounted to the thrust stand pendulum arm. The ...

Journal: :Journal of strength and conditioning research 2017
Bret Contreras Andrew D Vigotsky Brad J Schoenfeld Chris Beardsley Daniel T McMaster Jan H T Reyneke John B Cronin

Contreras, B, Vigotsky, AD, Schoenfeld, BJ, Beardsley, C, McMaster, DT, Reyneke, JHT, and Cronin, JB. Effects of a six-week hip thrust vs. front squat resistance training program on performance in adolescent males: A randomized controlled trial. J Strength Cond Res 31(4): 999-1008, 2017-The barbell hip thrust may be an effective exercise for increasing horizontal force production and may thereb...

Journal: :The Review of scientific instruments 2012
S J Pottinger D Lamprou A K Knoll V J Lappas

In order to evaluate the accuracy and sensitivity of a pendulum-type thrust measurement system, a linear variable differential transformer (LVDT) and a laser optical displacement sensor have been used simultaneously to determine the displacement resulting from an applied thrust. The LVDT sensor uses an analog interface, whereas the laser sensor uses a digital interface to communicate the displa...

2003
J. H. W. Smit J. P. Brun D. Sokoutis

[1] Even though the rheology of thrust wedges is mostly frictional, a basal ductile decollement is often involved. By comparison with purely frictional wedges, such brittleductile wedges generally display anomalous structures such as backward vergence, widely spaced thrust units, and nonfrontward sequences of thrust development. Laboratory experiments are used here to study the deformation of b...

2003
Elmer Filbert

, . actiristics and constraint alritudes. Conditions which favor significant improvdent are: large thrust reserve at the constraint altitude, reasonably high lift-to-drag ratio, low constraint altitude, and low wing loading. The trajectory optimization algorithm, which is described in some detail, is especially efficient and may be useful in other applications. Wing area Time, (scaled) Thrust, ...

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