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2. Electroless nickel-phosphorus plating - Wikipedia

   en.wikipedia.org/wiki/Electroless_nickel...

   The main ingredients of an electroless nickel plating bath are source of nickel cations Ni 2+, usually nickel sulfate and a suitable reducing agent, such as hypophosphite H 2 PO − 2 or borohydride BH − 4. [1] With hypophosphite, the main reaction that produces the nickel plating yields orthophosphite H 2 PO − 3, elemental phosphorus ...

3. Neutron supermirror - Wikipedia

   en.wikipedia.org/wiki/Neutron_supermirror

   The critical angle of total reflection, in degrees, becomes approximately , where is the "m-value" relative to natural nickel. m {\displaystyle m} values in the range of 1–3 are common, in specific areas for high-divergence (e.g. using focussing optics near the source, choppers, or experimental areas) m=6 is readily available.

4. Electroless nickel-boron plating - Wikipedia

   en.wikipedia.org/wiki/Electroless_nickel-boron...

   Electroless nickel-boron plating developed as a variant of the similar nickel-phosphorus process, discovered accidentally by Charles Adolphe Wurtz in 1844. [2]In 1969, Harold Edward Bellis from DuPont filed a patent for a general class of electroless plating processes using sodium borohydride, dimethylamine borane, or sodium hypophosphite, in the presence of thallium salts, thus producing a ...

5. Nickel electroplating - Wikipedia

   en.wikipedia.org/wiki/Nickel_electroplating

   Nickel electroplating is a technique of electroplating a thin layer of nickel onto a metal object. The nickel layer can be decorative, provide corrosion resistance, wear resistance, or used to build up worn or undersized parts for salvage purposes.

6. Mirror - Wikipedia

   en.wikipedia.org/wiki/Mirror

   A mirror reflecting the image of a vase A first-surface mirror coated with aluminium and enhanced with dielectric coatings. The angle of the incident light (represented by both the light in the mirror and the shadow behind it) exactly matches the angle of reflection (the reflected light shining on the table). 4.5-metre (15 ft)-tall acoustic mirror near Kilnsea Grange, East Yorkshire, UK, from ...

7. The best stocking stuffers under $25 for everyone on your list

   www.aol.com/lifestyle/the-best-stocking-stuffers...

   French Fry Box Bath Tumbler. $14. See at Urban Outfitters. Soffe Juniors' Authentic Cheer Short. $12. See at Amazon. NIKE Dri-FIT Unisex Cushioned Crew Socks (6 pack) $22 $25 Save $3. See at Amazon.