(n.) The earth alumina, as found native in a crystalline state, including sapphire, which is the fine blue variety; the oriental ruby, or red sapphire; the oriental amethyst, or purple sapphire; and adamantine spar, the hair-brown variety. It is the hardest substance found native, next to the diamond.
Example Sentences:
(1) Guinea pig splenic lymphocytes and peritoneal macrophage cultures were incubated with quartz (DQ12), Corundum and aspirin as prostaglandin inhibitor.
(2) 3M discs and the rough corundum discs caused significantly more surface roughness of the Cosmic surface.
(3) The maximum values of tensile strength were measured when 200-250 microns corundum was used.
(4) Experiments carried out over a long period have shown that corundum ceramic is a strong material and is biologically inert.
(5) At desired time of incubation, the bacteria were washed with water, disintegrated with powdered corundum and in resulting cell-free extracts L-asparaginase activity was determined by the Conway method.
(6) Corundum produced no significant effect on the enzyme activity.
(7) The results showed that quartz induced a substantial increase of lipid peroxide in PAMs compared with both samples (dust-free or exposed to corundum).
(8) No adverse effects of corundum ceramics were noted.
(9) Corundum, which is sapphire, is number nine.” “The relative hardness of sapphire is 400, compared to quartz which is 100, so it is a lot harder than quartz,” Alford stressed.
(10) The results were compared with quartz dust as the known fibrogenic dust and emery dust (Corundum) was used as a control dust.
(11) Raman spectroscopy showed that both the socket and the beads are composed of alpha-Al2O3 (corundum), while the bioactive glass (alkaline and alkaline earth alumosilicate with a small quantity of zirconium oxide) showed this to have an intermediate structure between that of vitreous silica and that of the alkaline and alkaline earth disilicate glasses.
(12) All the lungs contained quartz and silicates and in most of the necropsy cases carborundum and corundum could also be shown.
(13) Quartz treatment did not alter esterase activity whereas corundum exposed cultures showed a decline.
(14) NH, a producer of glucoamylase, were cultivated in the presence of various supporting materials (three microspherical zeolitic particles, alpha-alumina and foam corundum).
(15) The results obtained showed that a significant inhibition of antibody formation to human albumin took place in animals with experimental silicosis in comparison with control rats that were given physiological saline or corundum as established by passive haemagglutination reaction according to Boyden as well as enhancement of the intensity of the delayed-type hypersensitivity to tuberculin.
(16) A complex of implanted dentures was manufactured with a corundum ceramic compound "Kador" made in the USSR.
(17) According to the present in vitro study it is possible to bond NPM alloy restorations with Panavia Ex several days after air brushing with corundum.
(18) Implants of corundum ceramic have been used in the treatment of 38 patients with bony tumours of the limbs.
(19) The patient's spine has been fixed by means of implant, made of corundum porous ceramic, metal plate and lavsan band.
(20) The values of the R(a) and Rmax were grown proportionally with the grain of corundum, but it was not resulted in the same increase of the tensile strength.
Topaz
Definition:
(n.) A mineral occurring in rhombic prisms, generally yellowish and pellucid, also colorless, and of greenesh, bluish, or brownish shades. It sometimes occurs massive and opaque. It is a fluosilicate of alumina, and is used as a gem.
(n.) Either one of two species of large, brilliantly colored humming birds of the Topaza, of South America and the West Indies.
Example Sentences:
(1) The aim of this study was to compare the effects upon marginal leakage of a number of dentine bonding agents: Gluma, Scotchbond, Topaz and an experimental material when used with a posterior composite resin, Occlusin.
(2) TOPAZ generates a narrative summary of the temporal events found in the electronic medical record of patients receiving cancer chemotherapy.
(3) We describe a program, called TOPAZ, that uses this three-step methodology.
(4) Buffett's MidAmerican Energy Holdings will take over Topaz Solar Farm, which is expected to produce enough power to run 160,000 homes when it is up and running in 2015.
(5) As an example of this approach, the author describes a program called TOPAZ that contains two temporal models that represent different temporal features of the clinical domain.
(6) Perched on the top deck of a Croatian sailing boat just outside Split, I was about to launch myself into the topaz blue of the Adriatic below.
(7) The problem of achieving satisfactory interaction between blood and prosthesis was not resolved in these studies, but we were sufficiently encouraged by the hemodynamic effects to look into the possibility of working with the temporary support system initially proposed by Moulopoulos, Topaz, and Kolff [3].
(8) Clones carrying the white and topaz eye color genes have been isolated from genomic DNA libraries of the blowfly Lucilia cuprina using cloned DNA from the homologous white and scarlet genes, respectively, of Drosophila melanogaster as probes.
(9) MidAmerican sealed the deal for Topaz on Wednesday, a day after the seller, First Solar, failed to secure a US government loan guarantee for the project.
(10) A unique feature of TOPAZ is its use of numeric and symbolic techniques to perform different temporal reasoning tasks.
(11) Greg Abel, chief executive officer of MidAmerican, said: "[Topaz] demonstrates that solar energy is a commercially viable technology without the support of governmental loan guarantees."
(12) Populational distribution of five genetic immunoglobulin markers (light chain allotype L1 and C gamma-allotypes H2, H3, H6 and H8) in minks of different coat color (Sapphire, Standard and Topaz) was studied.
(13) "Topaz-1" unit is intended for cleaning of immunological plates.
(14) The Topaz model 515 (Vitatron B.V.) is a dual sensor rate responsive pacemaker for single chamber stimulation.
(15) Restriction site and restriction fragment length polymorphisms involving both the white and topaz gene regions are found within and between populations of L. cuprina.