国内英语资讯:Exposed combustible ice found in South China Sea
<p><span word="QINGDAO">QINGDAO</span>, <span word="Sept">Sept</span>. 22-- <span word="Chinese">Chinese</span> <span word="scientists">scientists</span> <span word="have">have</span> <span word="discovered">discovered</span> <span word="two">two</span> <span word="sites">sites</span> <span word="of">of</span> <span word="gas">gas</span> <span word="hydrates">hydrates</span>, <span word="or">or</span> <span word="combustible">combustible</span> <span word="ice">ice</span>, <span word="which">which</span> <span word="are">are</span> <span word="exposed">exposed</span> <span word="on">on</span> <span word="the">the</span> <span word="sea">sea</span> <span word="floor">floor</span> <span word="in">in</span> <span word="the">the</span> <span word="South">South</span> <span word="China">China</span> <span word="Sea">Sea</span>.</p><p><span word="The">The</span> <span word="Chinese">Chinese</span> <span word="Academy">Academy</span> <span word="of">of</span> <span word="Sciences">Sciences</span> <span word="institute">institute</span> <span word="of">of</span> <span word="oceanology">oceanology</span> <span word="said">said</span> <span word="on">on</span> <span word="Friday">Friday</span> <span word="that">that</span> <span word="the">the</span> <span word="discoveries">discoveries</span> <span word="were">were</span> <span word="made">made</span> <span word="during">during</span> <span word="a">a</span> <span word="month">month</span>-<span word="long">long</span> <span word="expedition">expedition</span> <span word="in">in</span> <span word="the">the</span> <span word="western">western</span> <span word="Pacific">Pacific</span> <span word="Ocean">Ocean</span> <span word="undertaken">undertaken</span> <span word="by">by</span> <span word="the">the</span> <span word="research">research</span> <span word="vessel">vessel</span> <span word="Kexue">Kexue</span>.</p><p><span word="The">The</span> <span word="two">two</span> <span word="sites">sites</span> <span word="are">are</span> <span word="at">at</span> <span word="about">about</span> <span word="a">a</span> <span word="depth">depth</span> <span word="of">of</span> 1,100 <span word="meters">meters</span>. <span word="It">It</span> <span word="is">is</span> <span word="the">the</span> <span word="first">first</span> <span word="time">time</span> <span word="exposed">exposed</span> <span word="combustible">combustible</span> <span word="ice">ice</span> <span word="has">has</span> <span word="been">been</span> <span word="discovered">discovered</span> <span word="in">in</span> <span word="sea">sea</span> <span word="areas">areas</span> <span word="under">under</span> <span word="the">the</span> <span word="jurisdiction">jurisdiction</span> <span word="of">of</span> <span word="China">China</span>, <span word="according">according</span> <span word="to">to</span> <span word="the">the</span> <span word="institute">institute</span>.</p><p><span word="Combustible">Combustible</span> <span word="ice">ice</span> <span word="usually">usually</span> <span word="exists">exists</span> <span word="in">in</span> <span word="deep">deep</span> <span word="sea">sea</span> <span word="sediment">sediment</span> <span word="or">or</span> <span word="tundra">tundra</span> <span word="areas">areas</span> <span word="which">which</span> <span word="have">have</span> <span word="high">high</span> <span word="pressure">pressure</span> <span word="and">and</span> <span word="low">low</span> <span word="temperature">temperature</span> <span word="necessary">necessary</span> <span word="for">for</span> <span word="its">its</span> <span word="stability">stability</span>. <span word="It">It</span> <span word="is">is</span> <span word="rare">rare</span> <span word="to">to</span> <span word="see">see</span> <span word="the">the</span> <span word="substance">substance</span> <span word="exposed">exposed</span> <span word="on">on</span> <span word="sea">sea</span> <span word="floor">floor</span>.</p><p><span word="China">China</span> <span word="declared">declared</span> <span word="its">its</span> <span word="first">first</span> <span word="success">success</span> <span word="in">in</span> <span word="collecting">collecting</span> <span word="samples">samples</span> <span word="of">of</span> <span word="combustible">combustible</span> <span word="ice">ice</span> <span word="in">in</span> <span word="the">the</span> <span word="South">South</span> <span word="China">China</span> <span word="Sea">Sea</span> <span word="on">on</span> <span word="May">May</span> 18 <span word="after">after</span> <span word="discovering">discovering</span> <span word="the">the</span> <span word="substance">substance</span> <span word="there">there</span> <span word="in">in</span> 2007.</p><p><span word="Combustible">Combustible</span> <span word="ice">ice</span> <span word="can">can</span> <span word="be">be</span> <span word="ignited">ignited</span> <span word="like">like</span> <span word="solid">solid</span> <span word="ethanol">ethanol</span>. <span word="One">One</span> <span word="cubic">cubic</span> <span word="meter">meter</span> <span word="is">is</span> <span word="equal">equal</span> <span word="to">to</span> 164 <span word="cubic">cubic</span> <span word="meters">meters</span> <span word="of">of</span> <span word="regular">regular</span> <span word="natural">natural</span> <span word="gas">gas</span>.</p>
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