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Latest Bristol Stories

2015-01-13 23:07:09

WITTENSTEIN high integrity systems has extended its Real Time Operating Systems product range to include support for the ARM Cortex A processor series, for use with OpenRTOS in commercial applications,

2014-12-01 08:23:57

Antioquia, Bristol, Hangzhou clinched double titles; Christchurch, Dakar also honoured for shareable and practical urban innovations GUANGZHOU, China, Dec.

2014-11-18 08:38:45

BRISTOL, England, November 18, 2014 /PRNewswire/ -- Acquisition will accelerate product development and seize the market opportunity

2014-11-05 23:10:24

Nursing Home Skincare Line Expands Gentell Line of Products Bristol, Pennsylvania (PRWEB) November 05, 2014 Gentell Executive Vice President and Founder

2014-10-23 08:23:02

Dealership offers 2015 model year BRISTOL, Tenn., Oct.

2014-09-16 12:35:04

Passive RFID IT Asset Management Solutions Company Says Don't Roll the Dice with Data Center Fundamentals BRISTOL, Pa., Sept.

2014-08-21 16:26:55

Relationship will streamline organizations' global operations HAMPTON, N.H. & BRISTOL, United Kingdom, Aug.

2014-07-08 23:09:27

WITTENSTEIN high integrity systems have released a range of middleware that is supplied integrated with FreeRTOS, including USB, TCP/IP and File Systems. Bristol,

2014-06-24 12:33:57

White Paper Compares High Costs of Manual IT Asset Management to Passive RFID IT Asset Management for Eye Opening Savings; Four Cost Points to Consider in a Data Center Audit BRISTOL, Pa.,


Latest Bristol Reference Libraries

28_5f496c15049ba89cd8c43810810e311e
2005-05-26 11:32:33

Chalcocite, copper(I) sulfide (Cu2S), is an important copper mineral ore. It is opaque, being colored dark-gray to black with a metallic luster. It has a hardness of 2½ - 3. It is a sulfide with an orthorhombic crystal system. Chalcocite is sometimes found as a primary vein mineral in hydrothermal veins. However, most chalcocite occurs in the supergene enriched environment below the oxidation zone of copper deposits as a result of the leaching of copper from the oxidized minerals. It is...

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Word of the Day
onomatope
  • An imitative word; an onomatopoetic word.
The word 'onomatope' is a back-formation from 'onomatopoeia'.
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