نتایج جستجو برای: hydration bonds
تعداد نتایج: 65112 فیلتر نتایج به سال:
conclusions the administration of dextrose saline was associated with a shortened active phase and second stage of labor in vaginally delivered nulliparous women. results of 174 objects enrolled, 150 women delivered vaginally and completed the study. there was a significant difference in the duration of active phase between the groups (ns: 270.20 ± 13.37 minutes; d5ns: 206.67 ± 11.72 minutes) (...
Abstract: There have been lots of studies to control the poor hydration resistance of dolomite refractories one of themost effective solutions has been the addition of magnesia to doloma. Using a co-clinker of magnesia-doloma as astarting material would provide more homogeneity in the properties of the product and has been published recently.On the other hand, addition of iron oxide to doloma h...
abstract physiologists have shown that increased fluids improve skeletal muscle performance in prolonged exercise. typical orders provide for 125 ml of intravenous fluids per hour in patients taking limited oral fluids during labor. our purpose in this study was to determine whether increased intravenous fluids affect the progress oflabor. in a prospective randomized institutional clinical tria...
Abstract It is now established that crystalline cellulose held together not just by hydrogen bonding, but also dispersion forces and electrostatic attraction modulated stereoelectronic factors such as the exo-anomeric effect. The surface chains of native microfibrils differ in C6 conformation from therefore form different bonds, both outward inward. Dispersion forces, influenced conformation, o...
Luminescent cyanometallate [Ir(ppy)2(CN)2]– (ppy = C6H5C5H4N) has recently gained attention due to its desired photophysical properties. Our research group reported that the shown a negative solvatochromism like [Ru(bipy)(CN)4]2–, resulting in blue-shift of UV-Vis absorption bands water. Therefore, gain insight into specific solvent-solute interaction governed by hydrogen bond solvation hydrati...
Enhancing chloride binding capacity and stability of cement paste is beneficial to blocking ingress preventing the release bound chloride, consequently improve resistance cement-based materials. Incorporating supplementary cementitious materials (SCMs) into blended cannot increase remarkably, due threshold normal hydration products , even though SCMs with high activity are introduced. In this s...
Orotic acid (OTA) is reported to exist in the anhydrous (AH), monohydrate (Hy1), and dimethyl sulfoxide monosolvate (SDMSO) forms. In this study we investigate the (de)hydration/desolvation behavior, aiming at an understanding of the elusive structural features of anhydrous OTA by a combination of experimental and computational techniques, namely, thermal analytical methods, gravimetric moistur...
In this study, the effect of variety of Nano- additives doping on the hydration resistance of the MgO-CaO system was investigated. Samples were prepared from calcined dolomite and magnesite. Nano-additives that contained cations with various valences (trivalent and tetravalent) used as a dopant. The bulk density, apparent porosity and hydration resitance were studied and evaluated. Also, phase...
Acemetacin (ACM) is a non-steroidal anti-inflammatory drug (NSAID), which causes reduced gastric damage compared with indomethacin. However, acemetacin has a tendency to form a less soluble hydrate in the aqueous medium. We noted difficulties in the preparation of cocrystals and salts of acemetacin by mechanochemical methods, because this drug tends to form a hydrate during any kind of solution...
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