Lithium is the lightest naturally occurring solid element鈥 it's the number three spot on the periodic table, after all鈥 and has been around for the duration of the known universe, first appearing in the seconds following the Big Bang, long before other metals fused together in the cores...
Green marks the spot where a fissure formed, then fused back together in this artistic rendering of nanoscale self-healing in metal, discovered at Sandia National Laboratories. Red arrows indicate the direction of the pulling force that unexpectedly triggered the phenomenon. Credit: Dan Thompson, San...
5. (Clothing & Fashion) a thin strip of whalebone, light metal, plastic, etc, used to stiffen corsets and brassieres 6. (plural) the essentials (esp in the phrase the bare bones): to explain the bones of a situation. 7. (plural) dice 8. (plural) an informal nickname for a doctor...
all-weld-metal test specimen All-wheel drive All-wheel drive All-wheel drive All-wheel steering All-wheel steering All-wheel steering All-wheel steering All-wheel steering All-wheel steering All-wheel-drive All-wheel-drive All-wheel-drive ...
The metalized films used for today’s crisp packets, chocolate bars, and much other food packaging are great for keeping the contents dry and cool, but hard to recycle as they are made from several layers of plastic and metal fused together.“The crisp packet is quite a hi-tech piece of...
aExcess temperature, from too much power, or crucible hot spots, from misaligned electrodes may cause analysis errors. Uranium samples should be evenly fused and should fall out freely of the crucibles and contain very little uranium metal. 剩余温度,从许多力量或者坩埚热点,从没对准的电极也许导致分...
b. (tr) to mould or cast (molten metal): to run lead into ingots. 30. (Physical Geography) (intr) (of waves, tides, rivers, etc) to rise high, surge, or be at a specified height: a high sea was running that night. 31. (intr) to be diffused: the colours in my dress ran...
It is the process by which metal is getting extracted from its ores. The metal compounds, mixed with rocks, sand, limestone, etc., are termed minerals. Metal extraction from the minerals is done commercially at a lower cost. These minerals are termed ores....
Types of crowns - Ceramic, porcelain-fused-to-metal, all-metal (gold). Alloy considerations - Precious, semiprecious, nonprecious. / Pros & Cons 6 factors to consider when choosing which type of crown makes the best choice. Crown fabrication / placement. - The dental crown procedure. The si...
, both thermosetting and thermoplastic, having the desired properties will occur to those skilled in the art. Also, the disc may be of metal, such as aluminum, in which case it would be interiorly coated with a suitable resin material capable of preventing product interaction with the metal....