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DEACTIVATING - translation to arabic

CLASS OF CHEMICAL COMPOUNDS

Metal deactivating agent

DEACTIVATING

الفعل

عَطَّلَ

زود وحدة عسكرية

activate

أهمد حل

inactivate

Wikipedia

Metal deactivator

Metal deactivators, or metal deactivating agents (MDA) are fuel additives and oil additives used to stabilize fluids by deactivating (usually by sequestering) metal ions, mostly introduced by the action of naturally occurring acids in the fuel and acids generated in lubricants by oxidative processes with the metallic parts of the systems. Fuels desulfurized by copper sweetening also contain a significant trace amounts of copper.

Metal deactivators inhibit the catalytic effects of such ions, especially copper, retarding the formation of gummy residues (e.g. gels containing copper mercaptide). Even concentrations of copper as low as 0.1 ppm can have detrimental effects.

An example of a metal deactivator used for gasoline and jet fuels is salpn. It is used in turbine and jet fuels, diesel, heating oil, and greases. It is approved for military and commercial aviation fuels. Benzotriazole and its various derivatives are also common in lubricant formulas.

https://en.wikipedia.org/wiki/Metal deactivator

Examples of use of DEACTIVATING

1. By deactivating Hsp'0, the drug simultaneously sabotages numerous other molecules critical to cancer.

2. After deactivating this device, police discovered that the bombs were activated by mobile telephone timers.

3. Mueller, a doctor and ethicist at the Mayo Clinic who has written about the ethics of deactivating the devices.

4. In one, called DNA methylation, enzymes inside a cell attach a minuscule molecular decoration to a gene, deactivating that gene.

5. Its clinical application to many patients shows that it is very effective for sterilizing or deactivating germs in the mouth and for removing foul breath.