Industrial infrared heaters sometimes use a gold coating on the quartz tube that reflects the infrared radiation and directs it towards the product to be heated.
12.
Technical mirrors may use a silver, aluminium, or gold coating ( the latter typically for infrared mirrors ), and achieve reflectivities of 90 95 % when new.
13.
Noble " metals " ( like gold or platinum ) could be used, though, but they would be prohibitively expensive ( although gold coatings are sometimes used on electronic components ).
14.
The impressive mention of gold referred only to the extremely thin gold coating deposited onto the master wax cylinder to make it electrically conductive, the first step in creating the metal mold.
15.
The term originates from the confidence trick of applying a gold coating to a brick of worthless metal while the worker may appear industrious on the surface, in reality they are less valuable.
16.
Recent studies have expressed concern over the gold coating on the surface of the ion microprobe mounts, which contains small amounts of titanium ( ~ 1 ppm ) that could provide an error during measurement.
17.
:Well, mercury is sometimes used in the processing and extraction of gold-and it's possible that her supposedly gold jewellery is really made of something else with a gold coating-so it's certainly possible that there are other heavy metals present.
18.
Other platings used are OSP ( organic surface protectant ), immersion silver ( IAg ), immersion tin, electroless nickel with immersion gold coating ( ENIG ), electroless nickel electroless palladium immersion gold ( ENEPIG ) and direct gold plating ( over nickel ).
19.
The figure shown here is the clear schematic of AFAM principle here B is the magnified version of the tip and sample placed on the transducer and tip having some optical coating generally gold coating to reflect the laser light on to the photodiode.
20.
When this cone or stone layer was removed there was found inside another stone layer of similar shape but with a brilliant gold coating and this was more representative of a pagoda in shape while its exquisite workmanship and brilliance inspired feelings of deep religious fervor in the crowd present.
