• How to find the entropy change of the lake?

    Updated: 2012-07-31 12:33:23
    A 10g ice cube at -10C is placed in a lake whose temp is 15C, calculate the change in entropy of the cube-lake system as the ice comes to thermal equilibrium with the lake. specific heat of ice is...

  • convolution in Quartus

    Updated: 2012-07-31 12:24:29
    hello Does "quartus" have any special function or module for calculating discrete-time convolution?

  • Mind-boggled by the string theory

    Updated: 2012-07-31 12:02:59
    Hi. I am fairly new to physics. I have recently read the first half of a book by Michio Kaku called “Beyond Einstein”, and im really struggling to get my head around the superstring theory. The...

  • Why Western countries press China to export rare earth

    Updated: 2012-07-30 18:59:57
    Home Stock Intel News Press Media Applications REE Gallery Store Archives Team Calendar Email Address Monday , July 30, 2012 Why Western countries press China to export rare earth July 30, 2012 Source : People Daily Production of rare earth result in the huge environmental destruction At the request of the European Union EU the United States and Japan , the World Trade Organization WTO organized a special group on July 23, investigating,discussing and settling about China's export control measures on rare earth elements,tungsten and . molybdenum In March , the E.U . the United States and Japan resorted China's export restriction policies on tungsten , molybdenum and 17 rare earth elements to the WTO . 0160 On June27, they again demanded 

  • Molycorp increasing rare-earth production

    Updated: 2012-07-30 18:30:23
    Home Stock Intel News Press Media Applications REE Gallery Store Archives Team Calendar Email Address Monday , July 30, 2012 Molycorp increasing rare-earth production July 30, 2012 Source : Global Times Molycorp MCP the largest rare-earth producer in the US , announced that it would scale up its rare-earth production , increasing its share of the global market from the current 4 percent to 30 percent , without providing a time schedule , the Beijing Business Today reported . Monday The company plans to invest 895 million in its rare-earth business and double its output capacity from 20,000 tons to 40,000 tons , the report said . 0160 Some analysts said the move will put pressure on Chinese exports of rare earth . This would definitely influence China's rare-earth exports in the future and

  • Greenland Minerals: June 2012 Quarterly Report

    Updated: 2012-07-30 15:49:52
    : Home Stock Intel News Press Media Applications REE Gallery Store Archives Team Calendar Email Address Monday , July 30, 2012 Greenland Minerals : June 2012 Quarterly Report July 30, 2012 Source : Greenland Minerals Highlights Kvanefjeld Prefeasibility Study confirms a long‐life , large‐scale , cost‐competitive multi‐ element : project Efficient process flowsheet established drawing on conventional , proven methodologies Highly advantageous ore‐type can be beneficiated to produce high‐grade mineral concentrate industry‐leading upgrade ratio with approximately 10 mass pull Mineral concentrate readily leached in sulphuric acid under atmospheric conditions in contrast to common , highly‐refractory ore types that require complex mineral cracking Kvanefjeld PFS  evaluates a 7.2 Mt operation to

  • Crossland Uranium Releases Quarterly Report for Period Ended June 30, 2012

    Updated: 2012-07-30 15:38:01
    Crossland Uranium Mines Ltd. (ASX: CUX) releases quarterly report for period ended June 30, 2012

  • Multiple Choice Questions on Electrostatics

    Updated: 2012-07-22 16:45:00
    : Physicsplus The Physics Site for Success Pages Home About IIT-JEE AIPMT AIEEE Links to Questions AIEEE Questions AIPMT Questions IIT-JEE Questions Kerala Entrance KEAM Questions Sunday , July 22, 2012 Multiple Choice Questions on Electrostatics Example isn't another way to teach , it is the only way to teach . 8221 Albert Einstein Today we will discuss a few questions from electrostatics . You will find many questions with solution in this section discussed earlier on this site . You can access all those questions by clicking on the label electrostatics’ below this . post 1 A 6 μF capacitor is connected in series with a 2 μF capacitor . The 6 μF capacitor can withstand a maximum voltage of 3 kV where as the 2 μF capacitor can withstand a maximum voltage of 6 kV . The maximum voltage that

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