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 723 for “"hydration"”.
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Rate of hydration of propylene
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1940.
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Hydration Delivery Systems for Wildland Firefighters
Maintenance of hydration during long duration work or exercise is critical for both physical and cognitive function. Wildland firefighters (WLFF) experience long arduous work shifts under extreme environmental conditions. Previous studies by our lab have demonstrated that maintenance of euhydration …
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Hydration Delivery Systems for Wildland Firefighters
Maintenance of hydration during long duration work or exercise is critical for both physical and cognitive function. Wildland firefighters (WLFF) experience long arduous work shifts under extreme environmental conditions. Previous studies by our lab have demonstrated that maintenance of euhydration …
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Microwave Hydration Monitoring Using Wearable Antennas
Dehydration, even at a mild stage, can disrupt physiological processes in both humans and animals. Early diagnosis and continuous monitoring are essential to prevent dehydration from damaging vital systems. However, measuring dehydration remains a challenge, as there is no single gold-standard …
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Hydration and vocal loading on voice measures
<p>Vocal loading adversely affects the healthy larynx. The negative effects of vocal loading are thought to be exacerbated in dry environments, noisy environments, using non-habitual speaking patterns, and voice quality. Advancing age is also thought to be a risk factor for the negative effects of …
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Kinetics of hydration of AlN powder beds
Includes bibliographical references (pages 228-230).
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Hydration and swelling of clay mineral systems
Typewritten
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Heat treatment and hydration of calcium sulfate
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1937.
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Laboratory Scale Study of Calcium Sulfate Hydration Forms
… of this research is to better understand the dehydration properties of calcium sulfate dihydrate, and the hydration of calcium sulfate hemihydrate as well as anhydrous calcium sulfate. The lab-scale kinetics of these processes were studied using thermogravimetric analysis and sorption analysis. …
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Investigations into alkene hydration and alkene oxidation catalysis
… complexes were investigated as possible alkene hydration catalysts under a multitude of different reaction conditions. All attempts at performing this catalytic reaction failed to give any alcohol products. Catalytic screening experiments were conducted using a mixture of racemic-et,ph-P4 and …
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Hydration and air entrainment of fly ash concrete
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2024-12-01
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Isotope Systematics of Gypsum and its Hydration Water
… of the isotopic composition of gypsum hydration water is used to examine the hydrological changes that occurred during the Terminal Classic Drought of the Maya lowlands (~800-1000 CE), coincident with the period when the Classic Maya Civilization of Mesoamerica collapsed. The data …
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Simulation studies of slow dynamics of hydration water in lysozyme : hydration level dependence and comparison with experiment using new time domain analysis
… thesis. It is used to mimic and simulate the hydration water in Lysozyme with three different hydration levels (h = 0.3, 0.45 and 0.6). In this thesis, GROMACS is used in an innovative way, because it is applied to investigate mainly behaviors of water molecules than those of biopolymers, …
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The Effect of Hydration on Enzyme Activity and Dynamics
… a correlation between enzyme activity and hydration level. While a threshold of hydration of 0.2 h (grams of water per gram of dried protein) is usually accepted for the onset of enzyme activity, recent works show that enzyme activity is possible at water contents as low as 0.03 h (Lind et …
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Hydration forces between inorganic particles: Crystallization of silicotungstic acid
The ubiquitous nature of colloidal suspensions in nature and industrial products has warranted much effort in understanding their stability and phase transition from a colloid-poor to a colloid-rich phase. At small particle separations in certain systems, stability is found where classical colloid …
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Understanding the retardation of cement hydration caused by zinc
Heavy metals can be introduced into cement as impurities during its manufacturing or intentionally added to make the firing process of clinker more effective. Waste solidification/stabilization is another route through which heavy metals come in contact with cement paste or concrete. It has been …
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Side chain mobility and hydration in homeodomain-DNA recognition
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Biology, 1998.
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Hydration Mechanisms in Sulfonated Polysulfones for Desalination Membrane Applications
… is used to investigate ion aggregation and hydration at the atomic scale. MD simulations show that the sulfonate and sodium ions are not simply paired. Instead, they form an ionic network. The molecular nature of melting water within sulfonated polysulfones is also examined by combining …
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