At Flat the host is quartz diorite with a finegrained contact phase.
The watch features a Citizen Miyota quartz movement, a stainless steel case and an Italian buffalo leather strap. It is water resistant to 10 atmospheres.
To test the idea, Merrison and colleagues sealed samples of quartz sand in glass flasks and used a machine to tumble them over and over.
And when he danced with an African quilt around his shoulders near a quartz mine in Nigeria he also did not feel that he had quenched his thirst for understanding himself.
Smokey quartz: a young girl swallowed a smokey quartz, which came with a Treasure of the Earth magazine.
Our quartz technique is well known in the world, and we believe our watches are of fine quality.
The quartz vein and altered rock types of gold deposits, with similar geological environments, ore-constraints and distribution laws, predominate in the belt.
The quartz watch keeps good time.
Branson's one-person submersible is made from carbon fiber, titanium, and has a quartz viewing dome.
Mr Biver developed a new, backward-looking slogan for the firm: “Since 1735 there has never been a quartz Blancpain watch.
Please send us your price list of quartz clocks.
Lots of materials are piezoelectric: cane sugar, quartz and even dried bone creates an electrical charge when stressed.
Straw, chaff, animal hair, and quartz were part of the mixture that protected and strengthened the clay material, as did ropes attached to wooden pegs at the bottom layer.
Normally, silicon carbide is produced by heating sand (which is made of quartz, or silicon dioxide) in an electric furnace with carbon made from oil or coal.
In normal coal samples, quartz and other minerals are found only in trace amounts.
211please send us your price list of quartz clocks.
To have a useful life, even the hottest quartz-halogen incandescents have to operate well below the filament's melting point.
The sample came from the remote Pilbara region of Western Australia, a site called Strelley Pool, where the microbes, after dying, had been finely preserved between quartz sand grains.
Then the fat, iron oxide powder, charcoal, stone chips, quartz grains and an unknown liquid were gently stirred in the shells from the abalone they may have feasted on the day before.
国文精选馆
