نتایج جستجو برای: hydration
تعداد نتایج: 15361 فیلتر نتایج به سال:
As the potential of computer modeling of hydration and microstructure development of cement-based materials approaches realization, the development of virtual standard test methods becomes a viable possibility. In creating these virtual standards, just as with the development of any physical standard test method, verification, validation (calibration), and variability must all be considered. Th...
The hydration of Mg-stabilized triclinic and monoclinic tricalcium silicate samples were studied using quasielastic neutron scattering to follow the fixation of hydrogen into the reaction products and by applying hydration models to the data. The quantity of Ca(OH)2 produced during hydration was also determined using inelastic neutron scattering. The monoclinic form was found to be intrinsicall...
Hester, Thomas R. 1973 Chronological ordering of Great Basin prehistory. University of California Archaeological Research Facility, Contributions 17:17-18. Johnson, L., Jr. 1969 Obsidian hydration rate for the Klamath Basin of California and Oregon. Science 1965:1354-56. Katsui, Yoshio, and Tuko Kondo 1964 Dating of stone implements by using hydration layer of obsidian. Department of Geology an...
Introduction & Objective: Complications of adenotonsillectomy such as pain, nausea and vomiting, fever, inadequate oral intake, dehydration and bleeding are common and important. In addition of unpleasant feeling for patient, post operative nausea and vomiting will lead to more prolonged hospitalization and intravenous hydration. The purpose of this study was to determine whether a single dose ...
In this work, covalent hydration energies for a variety of azanaphthalenes and purine analogs have been calculated using a variety of quantum chemical methods. On the basis of these results, we recommend the CPCM(UA0)-B3LYP/6-31+G(d,p) level for rapid prediction of covalent hydration energies. However, we caution the use of this methodology for computing covalent hydration energies for fluorine...
The hydration structure of NaCl aqueous solution was elucidated in carbon nanotubes (CNTs) on the basis of canonical ensemble Monte Carlo simulations. Hydration shells were preferentially formed even in narrow CNTs to gain stabilization energy, whereas hydrogen bonding between water molecules in such CNTs was sacrificed. Nanoscale-confined aqueous electrolyte solutions therefore prioritize hydr...
We have measured the hydration-level dependence of the single-particle dynamics of water confined in the ordered mesoporous silica MCM-41. The dynamic crossover observed at full hydration is absent at monolayer hydration. The monolayer dynamics are significantly slower than those of water in a fully hydrated pore at ambient temperatures. At low temperatures, the opposite is found to be true. Th...
BACKGROUND AND PURPOSE The management of acute renal colic is a problem commonly encountered by both urologists and emergency medicine physicians. The classic approach to managing uncomplicated acute renal colic involves hydration, along with imaging and pain control. Previous studies have suggested that hydration has a significant impact on patient comfort, as well as spontaneous stone passage...
It is the position of the Academy of Nutrition and Dietetics that individuals have the right to request or refuse nutrition and hydration as medical treatment. Registered dietitians (RDs) should work collaboratively as part of the interprofessional team to make recommendations on providing, withdrawing, or withholding nutrition and hydration in individual cases and serve as active members of in...
BACKGROUND Guidelines advise periprocedural saline hydration for prevention of contrast induced-acute kidney injury (CI-AKI). We analysed whether 1-hour sodium bicarbonate hydration administered solely prior to intra-arterial contrast exposure is non-inferior to standard periprocedural saline hydration in chronic kidney disease (CKD) patients undergoing elective cardiovascular diagnostic or int...
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