ZR

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Related to zirconium: zirconium oxide, zirconia, Cubic zirconium

ZR

1. ISO 3166-1 alpha-2 code for Zaire before it changed its name to the Democratic Republic of the Congo. This was the code used in international transactions to and from Zairean bank accounts.

2. ISO 3166-2 geocode for Zaire. This was used as an international standard for shipping to Zaire.

In both cases, the code is obsolete.
References in periodicals archive ?
In this paper, zirconium carbide films were synthesized by chemical vapor deposition using Zr[Cl.
The sales of zirconium chemicals to the US are expected to remain stable as the sales made to nuclear power industry will be less affected by the global financial crisis.
According to Hofmann, this decrease in density also resulted in a reduction in cost, since zirconium is a more expensive metal than is titanium.
Long-term practice of producing zirconium ingots using EBCHM and subsequent mastering of electron beam skull melting (EBSM) with refining of the metal in crucibles with electromagnetic mixing (EMM) of the melt on transformed into the casting installation the EMO-250 furnace [9] stipulated accumulation in this country of big experience of electron beam melting of zirconium in contrast to other producers of this metal in the world, whereby produced ingots and billets from zirconium of nuclear purity could be used for melting of alloys and production from them of protection shells for FR and other necessary items.
Recently, zirconium has gained acceptance in Brazil, where it will be applied to improve the base sheet for a paper producer, also be used at the off-line coater.
The discovery of zirconium led to the distribution of hand-held detectors to Cyprus customs agents and increased assistance from U.
SPACE AGE: The new implant wich can last up to 25 years; THE OPERATION: Surgeon John Davidson is utilising zirconium implants to increase life of knee implants
Our problem is getting enough zirconium," he gushed.
According to the company, these beads have proven in laboratory tests to last nearly twice as long as competitive zirconium silicate beads while offering the same milling efficiency and half the mill wear.
In principle, zirconium ionomer dispersions may be prepared by pre-polymerization or post-polymerization addition of zirconium compounds.
There are different methods to synthesize zirconium diboride such as solid-state reaction, electrochemical reaction and mechanical methods.
Hugo highlighted that recovery in the zirconium chemical sector was evident in the second half of 2014.