zirconium


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Related to zirconium: zirconium oxide, zirconia, Cubic zirconium

zirconium

 [zir-ko´ne-um]
a chemical element, atomic number 40, atomic weight 91.22, symbol Zr. (See Appendix 6.)

zir·co·ni·um (Zr),

(zir-kō'nē-ŭm),
A metallic element, atomic no. 40, atomic wt. 91.224; widely distributed in nature, but never found in quantity in any one place.
[zircon, a mineral, fr. Ar. zarkūn, cinnabar, Pers, zargun, goldlike]

zir·co·ni·um

(zĭr-kō'nē-ŭm)
A metallic element, atomic no. 40, atomic wt. 91.224; widely distributed in nature, but never found in quantity in any one place.
[zircon, a mineral, fr. Ar. zarkūn, cinnabar, Pers., zargun, goldlike]

zir·co·ni·um

(Zr) (zĭr-kō'nē-ŭm)
A metallic element, widely distributed in nature, but never great in quantity in any one place.
[zircon, a mineral, fr. Ar. zarkūn, cinnabar, Pers, zargun, goldlike]
References in periodicals archive ?
Thus, we can to affirm that dopant pair is a good inducer of anatase phase crystallization still at low temperature and even in a matrix stabilized with zirconium and silicon, known as crystallinity reducing [11].
(11) The appropriate selection of ceramic coating materials and zirconium structure plus proper surface treatment are extremely important to ensure that zirconium restorations are made according to the expected functional demands.
During hydrolysis of the zirconium and aluminum salts mix, that have different pH values of the sedimentation start, initially the Zr[(OH).sub.4] particles are generated, which form the frame (matrix) of gel spheres during the sol-gel transition.
For this the solution of rutin (4 x 10-4 M) was mixed with solutions of molybdate and zirconium salts (2.5 x 10-4 M).
Once synthesized, the zirconium hydroxide is proceeded to impregnate it with an ammonium heptamolybdate solution by the incipient wetness technique, attempting to deposit metal loadings in the stabilized oxide of 5, 10, and 15 wt% of molybdenum.
Physical Characterization of the Differed Prepared Zirconium (IV) Tungstovanadate Ion Exchangers
Our results demonstrated antibacterial activity against most of the zirconium(IV) porphyrin complexes and by comparing these complexes with [H.sub.2]TPP we noted that introducing zirconium and axial ligand in [H.sub.2]TPP increased antibacterial activity.
This study was conducted to find out the effect of nanoparticles composed of zirconium on mechanical properties like compressive strength, force, percent elongation and hardness of light-cured resin based dental composites.
Four Kroll Awards papers include the first one in the series to look at zirconium outside the nuclear industry, and one on the performance of zirconium alloys in light-water reactors with a review of nodular corrosion.
After comprehensive study it has been sort out that addition of Zirconium dioxide (ZrO2) in soda-lime-silica glass makes it excellent durable glass.
Alkane Resources Limited (ASX:ALK) has signed a Memorandum of Understanding ("MOU") to form a joint venture to market zirconium products in Europe, North America, and other defined markets.
[20,21,22] proposed an UV spectrophotomertric method for total flavonoids estimation in poplar buds (Populus nigra) and propolis with zirconium oxychlorid (ZrO[Cl.sub.2]) using chrysin as reference compound, since this is the major and specific flavonoid compound in both products.