(n.) A light earthy white substance, consisting of magnesium oxide, and obtained by heating magnesium hydrate or carbonate, or by burning magnesium. It has a slightly alkaline reaction, and is used in medicine as a mild antacid laxative. See Magnesium.
Example Sentences:
(1) The combination of behavioral treatment with milk of magnesia eliminated soiling accidents and increased the frequency of appropriate bowel movements.
(2) Composites containing ceria and magnesia as substitutes for yttria behave similarly.
(3) This phenomenon is observed with solids having a dominant basic character (asbestos, magnesia) but is not detected with acidic solids (alumina, silica-alumina).
(4) Detection of aluminum, silicon, magnesium, zirconium and oxygen provided a basis to reason the presence of alumina (Al2O3), silica (SiO2), magnesia (MgO), and zirconia (ZrO2).
(5) Low walls around the site are studded with blue milk of magnesia bottles in wave formations and more than 25,000 seashells.
(6) The intent of this project was to evaluate the susceptibility of a magnesia alumina spinel (Cerestore) to stress corrosion and degradation.
(7) Binding of Carafate (sucralfate; Marion Laboratories, Inc., Kansas City, MO) and Maalox (magnesia-alumina oral suspension; Wm.
(8) Ninety-five mass% magnesia clinker and 5 mass% dental stone were selected for the main constituents.
(9) A detailed 91Zr NMR investigation is presented of the five component (cubic, monoclinic, tetragonal, orthorhombic and delta) phase mixture in the transformation toughened engineering ceramic, magnesia-partially-stabilised zirconia (MgPSZ).
(10) This study indicates that distilled water has a significant degradative effect on a magnesia alumina spinel, more likely affecting the mode of fracture rather than the stress corrosion characteristics.
(11) The screening test was used for samples from Magnesia, an area on the east coast of Greece, and Ningxia, a rural area in northeast China.
(12) This paper reports: (i) the first characterisation of the magnesia-fully-stabilised cubic phase at the eutectic composition (13.5 mol% MgO); (ii) the observation of a poorly ordered tetragonal phase on fast cooling ZrO2 (9.3 mol% MgO) from the cubic phase field at 1720 degrees C, and the subsequent growth and ordering of the tetragonal phase precipitates due to further annealing; (iii) the observation of the (partial) transformation of the cubic phase to the ordered delta-phase (Mg2Zr5O12) on annealing MgPSZ at 1100 degrees C for 8 h; and (iv) the observation of the transformation of the tetragonal phase into the orthorhombic phase after cooling in liquid nitrogen, and the reverse transformation after heating to 600 degrees C.
(13) The sequence included: (1) positive reinforcement of bowel movements and the non-occurrence of soiling accidents; (2) self-evaluation; (3) positive practice; (4) milk of magnesia; (5) diet modifications; and (6) a numbered underwear strategy.
(14) We treated them with milk of magnesia, high fibre diet, and bowel training techniques and evaluated outcome at one year when 43% had recovered.
(15) Prior to LC, esters are saponified, and interfering pigments are removed from ester-free extracts by adsorption on magnesia.
(16) The method consists of (a) acetylation of total lipids with pyridine and acetic anhydride, (b) separation of acetylated glycolipids from nonglycolipids on a magnesia-silica gel (Florisil) column, and (c) deacetylation of glycolipid in chloroform-methanol-sodium methoxide.
(17) During washout periods, which lasted two weeks each, patients were stabilized with neomycin plus milk of magnesia.
(18) The purpose of this research was to study fracture initiation in a glaze-strengthened magnesia ceramic substance used as a core material for all-ceramic crowns.
(19) The magnesia investment itself was scarcely affected by induction heating, so the addition of metal powders such as Fe, Ni, Co were investigated.
(20) Alumina, magnesia, titania, and a zirconia-coated silica were chosen for comparison with silica.
Magnesite
Definition:
(n.) Native magnesium carbonate occurring in white compact or granular masses, and also in rhombohedral crystals.
Example Sentences:
(1) The issues related to dust are divided into two problem areas: a) dust aerosol arising in the process of ore mining and consisting largely of magnesite (MgCO3) and b) dust aerosol originating during ore baking in rotatory furnaces and made up mostly of MgO.
(2) In Experiment 2, urinary Mg excretion on d 4 and 5 of the collection was lower for sheep fed the brine oxide than for those fed sulfate or oxide from calcined magnesite.
(3) The characteristic features of chlorite, asbestos, magnesite, quartz and other minerals recognizable through these methods are described.
(4) Several animal species (domestic rabbits, Wistar rats, cattle) were used to biologically monitor the accumulation and effects of inhaled magnesite aerosol in two actual locations of the magnesite industry.
(5) Changes induced by magnesite dusts on the mucosa relief of the airways of rabbits are described.
(6) The present paper is an overview of the experimental research into the effects of flue magnesite dust in the magnesite industry in which the raw material (magnesite) is processed into refractory magnesite clinker.
(7) Experimental research carried out on laboratory animals after chamber exposure provided findings on the deposition, retention and elimination of magnesite dust, on impaired balance between magnesium and calcium leading to damage of biological membranes, on how the immune profile or reproduction and embryogenesis is impacted as well as on the possible interaction with sodium salicylate as a result of an impaired acid base balance.
(8) Experiments were performed to try to reproduce this effect of high magnesium (from added calcined magnesite) on the incidence of urolithiasis in lambs.
(9) In Experiments 1 and 2, absorption of Mg from the oxide of brine origin and larger particle size distribution was lower than that from sulfate, but there was no difference in absorption for sheep fed oxides derived from sea water or calcined magnesite.
(10) Magnesite waste containing largely magnesium oxide (MgO) and a mixture of other metals forms aerosols with a considerable portion of respirable particles when released into the atmosphere.
(11) Rats and rabbits were exposed through the respiratory system to industrial dusts (magnesite emissions, solid wastes from nickel refinery dump, cement emissions) at biomonitory stations or in experimental chamber.
(12) Three types of industrial emissions were investigated: magnesite emissions, wastes from nickel refinery and cement emissions, respectively.