native metal वाक्य
उदाहरण वाक्य
मोबाइल
- As a result, platinum is often found chemically uncombined as a native metal.
- A native metal is any of twenty-one metals that can be found freely in nature.
- Agricola next describes that gold, silver, copper and mercury can be found as native metals, the others very rarely.
- Except as recently delivered in meteoric iron, pure cobalt in native metal form is unknown on Earth ( see below ).
- Free cobalt ( the native metal ) is not found on Earth because of oxygen in the atmosphere and chlorine in the ocean.
- Oxygen and chlorine are abundant enough in the upper layers of the Earth's crust to prevent the formation of native metal cobalt.
- It most often occurs as a native metal, typically in a metal solid solution with silver ( i . e . as a gold silver alloy ).
- Those most obvious to early man would have been gold, copper and iron; platinum and silver also occur as native metals, but much more rarely.
- Starting around 5500 BCE, early smiths began to re-shape native metals of copper and gold-without the use of fire-for tools and weapons.
- The album is characterized with many different music styles, middle-eastern melodies and non-native metal instrument such as clarinet, flute, oud and trumpets.
- No, I am not talking about the formation of the lead atoms themselves but the age that they had crystallised and laid as Native metal in that deposit.
- It is found either as a native metal ( rare ) or in cinnabar ( HgS ), corderoite, livingstonite and other minerals, with cinnabar being the most common ore.
- Those most obvious to early man would have been gold, copper and iron; platinum and silver also occur as native metals, but much more rarely . ( p . 9)
- Over geological time scales, very few metals can resist natural weathering processes like oxidation, which is why generally only the less reactive metals such as gold and platinum are found as native metals.
- The energy that was used to electrolyze the potassium from a potassium salt ( since potassium is never found as the native metal on Earth ) may have come immediately from any of various sources.
- Unusual calcite ( CaCO 3 ) crystals, translucent carbon spherules, fragments of basaltic glass and native metals ( native iron and nickel ) are reported near the crater and associated with impact ejecta or hot water precipitates.
- A very high specific gravity becomes very pronounced in native metals; kamacite, an iron-nickel alloy common in iron meteorites has a specific gravity of 7.9, and gold has an observed specific gravity between 15 and 19.3.
- Lead ions can replace the native metal ions in several key enzymes, such as zinc cations in the ALAD enzyme, which is also known as porphobilinogen synthase, and is important in the synthesis of heme, a key component of the oxygen-carrying molecule hemoglobin.
- Moorey was unconvinced the artifact was indeed a vase, mentioning that Selimkhanov, after his analysis of the Tello object ( published in 1975 ), " attempted to relate the metal to Transcaucasian natural antimony " ( i . e . native metal ) and that " the antimony objects from Transcaucasia are all small personal ornaments . " This weakens the evidence for a lost art " of rendering antimony malleable ."
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