Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 219 for “"unloading"”.
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H-reflex changes with loading and unloading
… vary during lying, standing, weight lifting and unloading. This may influence the H-reflex. The purpose of this study was to measure the changes that might occur in the soleus H-reflex during such loading and unloading conditions. Twenty healthy volunteers (20-50y) with no history of significant …
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RESPIRATORY MUSCLE UNLOADING AND ENDURANCE EXERCISE PERFORMANCE
… then a reduction of these loads (resistive unloading) should improve exercise performance. Inspiratory (I) and expiratory (E) unloading is possible at rest and moderate exercise levels, with the recent development of a feedback controlled loading/unloading device [Younes. et al: JAP …
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Investigation of light weight deflectometer unloading modulus
Includes bibliographical references (pages 69-70).
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Design of a latching mechanism for unloading a rotary compressor
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1999.
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Transient multiphase flow simulation for unloading of frac hit gas wells
… transient multiphase flow simulation valid for unloading gas wells using nitrogen. It studies the behavior of nitrogen for unloading horizontal gas wells with gas injection in the annulus. The work investigates unloading non-Newtonian fluids such as those which invade offset wells when a frac …
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A Solution for Commodity Field Hauling with Self-Unloading Semi-Trailers
… of these trailers, the current systems for unloading the bulk produce from these trailers have serious inadequacies. While functional, the currently used chain and non-chain driven belt discharge devices are expensive and often problematic, requiring frequent maintenance and replacement. …
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Automated Loading and Unloading of the Stratasys FDM 1600 Rapid Prototyping System
Rapid prototyping systems have advanced significantly with respect to material capabilities, fabrication speed, and surface quality. However, build jobs are still manually activated one at a time. The result is non-productive machine time whenever an operator is not at hand to make a job …
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A minimalistic model of resistance training : effects on skeletal muscle function during unloading
… and neuromuscular function in response to unloading. A total of 32 subjects participated. Sixteen men underwent 21 days of unilateral lower limb suspension (ULLS) and were assigned to control (no RTP) (ULLS-CON, n=8) or countermeasures (ULLS-CM, n=8). The remaining subjects were ambulatory …
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Comparative Plasma Proteomics in Muscle Atrophy Induced by Cancer Cachexia and Hindlimb Unloading
… 35 male C57BL/6J mice were assigned to hindlimb unloading (HU), Lewis Lung Carcinoma (LLC), or control groups. HU animals were hindlimb-unloaded for 1 week to induce disuse atrophy. LLC cells were injected into the right hind-flank to induce cancer cachexia. Tumors developed for approximately 4 …
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Development of an automated microfluidic system for the loading and unloading of cryoprotectants from mammalian oocytes
Oocyte cryopreservation is an assistive reproductive procedure that has allowed women to overcome infertility and enjoy increased reproductive freedom. Despite a rapid increase in oocyte cryopreservation cycles over the past seven years, success rates both between and within clinics remain highly …
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The temporal relationship between cardiolipin biosynthesis and remodeling enzymes and cardiolipin content during unloading atrophy in mouse soleus
Skeletal muscle is a heterogeneous tissue that consists of individual fibers that differ in contractile and metabolic properties. Skeletal muscle is also dynamic in its ability to adapt to external stimuli through changes in cell size, number, and/or fiber type composition, which are matched by …
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Tibial Acceleration and Shock Attenuation in Female and Male Distance Runners at Different Levels of Body Weight Unloading
… purpose of this thesis is to investigate if BW unloading affects tibial acceleration (TA) and shock attenuation. Twelve trained distance runners (Sex: 6 males and 6 females; Age: 18-30 years) were recruited for this study. TA was measured through two Blue Trident, IMeasureU step units located at …
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An investigation into the removal of aluminosilicates scaling species by activated alumina
… investigate the regeneration of the alumina by unloading the silica from the loaded alumina using various reagents and subsequently testing the effectiveness of the alumina with a second loading. The reagents used to unload the loaded alumina were sulphuric acid, sodium hydroxide and sodium …
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Effects of Topical Fluoride Prophylactic Agents on the Mechanical Properties of Orthodontic Nickel-Titanium Closed Coil Springs and Stainless Steel Closed Coil Springs
… fluoride prophylactic agents on the mechanical unloading properties of nickel-titanium (NiTi) and stainless steel (SS) closed coil springs. Spring were stored at 37˚C under static load in phosphate buffered saline (PBS) and treated with either neutral sodium fluoride (NaF) or acidulated …
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OVERPRESSURE AND COMPACTION IN THE LOWER KUTAI BASIN, INDONESIA
… to analyse the overpressuring in this area. Unloading mechanisms have been considered as alternatives to disequilibrium compaction. The reasons for doing so are the high temperatures in this basin, which promote unloading mechanisms, together with some evidence ignored by previous …
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Deformation mechanisms in bulk nanostructured aluminum obtained after cryomilling and consolidation by spark plasma sintering
… plastic strain (11%) that can be recovered after unloading. High-energy synchrotron X-ray diffraction experiments revealed that, there is a correlation between plastic strain recovery and microstructural evolution detected during in-situ loading-unloading experiments. Using a deconvolution …
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Indentation Behavior of Multilayer Al/SiC Thin Films
… behavior under indentation type loading and unloading. The derivation of Young's modulus from nanoindentation testing assumes elastic unloading. It is shown that multilayer thin films may not unload elastically, altering the indentation-derived modulus result. The cyclic behavior of the …
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Coated and Uncoated Nickel-Titanium Archwires: Mechanical Property and Surface Topography Response to a Simulated Oral Environment with and without Bracket-Related Load Deflection Induced Stress
… time points: 4 weeks, 8 weeks, and 12 weeks. Unloading forces at 1, 2, and 3 mm of deflection were recorded. After 12 weeks exposure, three representative specimens from each treatment group along with untested wires were viewed using scanning electron microscopy (SEM) to provide a qualitative …
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