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      <title>[과학] 6-1. 3단원 9차시 공기를 이루는 여러 가지 기체 조사하기 by 최민서</title>
      <link>https://padlet.com/skyletter25/uq795abiliu7njf5</link>
      <description>공기를 이루는 여러 가지 기체의 성질과 쓰임새를 정리합니다.</description>
      <language>en-us</language>
      <pubDate>2022-05-09 13:09:28 UTC</pubDate>
      <lastBuildDate>2025-11-09 14:30:42 UTC</lastBuildDate>
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      <item>
         <title>활동 안내</title>
         <author>skyletter25</author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2175668935</link>
         <description><![CDATA[<div>1. 오른쪽 하단에 + 버튼을 눌러 새로운 내용을 추가합니다.<br>2. 공기를 이루는 여러 가지 기체를 찾아 그 특징과 쓰임새를 정리해 봅니다.<br>3. 정리한 결과를 글, 사진 등의 방법으로 업로드 합니다.</div>]]></description>
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         <pubDate>2022-05-09 13:11:22 UTC</pubDate>
         <guid>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2175668935</guid>
      </item>
      <item>
         <title>산소의 쓰임새- 산소호흡기(최민서)</title>
         <author>skyletter25</author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2175670225</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-05-09 13:12:09 UTC</pubDate>
         <guid>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2175670225</guid>
      </item>
      <item>
         <title>산소의 쓰임새(최민서)</title>
         <author>skyletter25</author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2175670709</link>
         <description><![CDATA[<div>1 산소를 이용해 용접을 합니다.<br>2 화학약품인 암모니아의 합성을 할때 이용됩니다.<br>3&nbsp; 물질의 연소에 이용됩니다.<br>4 로켓추진제 에 이용됩니다.</div>]]></description>
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         <pubDate>2022-05-09 13:12:27 UTC</pubDate>
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      </item>
      <item>
         <title>(네온사인)최태용</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176901430</link>
         <description><![CDATA[<div>ㅋㅋㄹㅃㅃ</div>]]></description>
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         <pubDate>2022-05-10 04:16:43 UTC</pubDate>
         <guid>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176901430</guid>
      </item>
      <item>
         <title>네온의 쓰임새(심재원)</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176901820</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-05-10 04:17:13 UTC</pubDate>
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      </item>
      <item>
         <title>헬륨이현서</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176902499</link>
         <description><![CDATA[<div>1.못소리 변조에 사용<br>2.뜨는 풍선을 만들때 사용</div>]]></description>
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         <pubDate>2022-05-10 04:17:55 UTC</pubDate>
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      </item>
      <item>
         <title>내온의 용도 신유림</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176902786</link>
         <description><![CDATA[<div>네온을 유리관에 넣어 <a href="https://m.terms.naver.com/entry.naver?docId=1099550&amp;ref=y">방전</a>시키면 아름다운 주홍빛을 내므로 네온 사인으로 광고나 장식에 많이 사용되고 있다. 네온 사인은 <a href="https://m.terms.naver.com/entry.naver?docId=1099552&amp;ref=y">방전관</a>에 넣는 기체의 종류에 따라 색깔이 달라지는데 네온은 주홍색, 수은은 청록색, 산소는 오렌지 빛, 질소는 노란 빛이 나온다. 이와 같이 네온 사인은 색의 변화가 다양하고 빛을 점멸할 수 있으므로 야간에 큰 광고효과를 낼 수 있다.</div><div><br><br></div>]]></description>
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         <pubDate>2022-05-10 04:18:11 UTC</pubDate>
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      </item>
      <item>
         <title>헬륨풍선(예지오리🐥)</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176902931</link>
         <description><![CDATA[<div>산소보다가벼워서 풍선을뜨게한다🐥<br><br></div>]]></description>
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         <pubDate>2022-05-10 04:18:19 UTC</pubDate>
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      </item>
      <item>
         <title>헬륨의 쓰임새-헬륨풍선 (이지예</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176903159</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-05-10 04:18:33 UTC</pubDate>
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      <item>
         <title>네온의 쓰임새-네온간판 (주승민 최강 울트라 슈퍼 짱짱 멋짐ㅋ)</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176903284</link>
         <description><![CDATA[<div>네온간판임</div>]]></description>
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         <pubDate>2022-05-10 04:18:41 UTC</pubDate>
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      <item>
         <title>헬륨이 들어간 풍선</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176903627</link>
         <description><![CDATA[배예은]]></description>
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         <pubDate>2022-05-10 04:18:59 UTC</pubDate>
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      <item>
         <title>산소호흡기 (김호준)</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176904164</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-05-10 04:19:32 UTC</pubDate>
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      </item>
      <item>
         <title>네온의 쓰임새(이태현)</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176904465</link>
         <description><![CDATA[<div>1.네온 전구,네온 사인,네온 방전관등 빛을 내는데 사용된다<br>2.끓는점이 낮고 냉동효과가 좋아서 저온 냉매로 사용되기도 한다<br>3.네온의 가장 큰 용도는 밝은 빛을 내는 네온 조명이다</div>]]></description>
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         <pubDate>2022-05-10 04:19:51 UTC</pubDate>
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      </item>
      <item>
         <title>이산화탄소의 쓰임새(나연오리🐥)</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176904689</link>
         <description><![CDATA[<div>1. 식물이 광합성하는데에 사용한다.🐥<br>2. 지구가 차가워질때 지구를 녹여주는 역할을 한다.🐥<br>3. 산소가 너무 많아지는것을 막아준다.🐥<br>4. 오존층을 파괴한다.🐥</div>]]></description>
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         <pubDate>2022-05-10 04:20:05 UTC</pubDate>
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      </item>
      <item>
         <title>헬률풍선(이하윤)</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176904831</link>
         <description><![CDATA[<div>풍선 안에 헬륨가스가 들어가 있당!<br>헬륨가스가 들어가 있어서 공중에 떠 있당!</div>]]></description>
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         <pubDate>2022-05-10 04:20:15 UTC</pubDate>
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      </item>
      <item>
         <title>전구 (임예은)</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176905042</link>
         <description><![CDATA[<div>고온에서 안정하고 비활성인 성질을 이용하여 전구·형광등·진공관 등의 내부충진 물질로 쓰인다.</div>]]></description>
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         <pubDate>2022-05-10 04:20:28 UTC</pubDate>
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      </item>
      <item>
         <title>수소의 쓰임새(심재원)</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176905152</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-05-10 04:20:35 UTC</pubDate>
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      </item>
      <item>
         <title>네온 최태용</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176905421</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-05-10 04:20:50 UTC</pubDate>
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      </item>
      <item>
         <title>아산화질소(김태린)</title>
         <author>89fx8qkwqs</author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176905664</link>
         <description><![CDATA[<div>질산암모늄(질산과암모니아가반응하여만들어진기체)을 열분해할 때 생기는 화학식 N<sub>2</sub>O의 무색 투명한 기체로, 물·알코올에 잘 녹는데, 그 화학적 성질은 산과 비슷하며, 흡입하면 얼굴 근육에 경련이 일어나고, 마취성이 있어 외과수술시 전신마취에 사용하기도 한다.</div><div>아산화질소는 공기중0.00005%정도 차지한다<br><br></div>]]></description>
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         <pubDate>2022-05-10 04:21:05 UTC</pubDate>
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      </item>
      <item>
         <title>수소의 쓰임새(서지우가 짱임)</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176905834</link>
         <description><![CDATA[<div>수소의 쓰임새<br>1.친환경 에너지<br>2.수소 자동차<br>3.미래의 에너지</div>]]></description>
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         <pubDate>2022-05-10 04:21:14 UTC</pubDate>
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      <item>
         <title>아르곤 쓰임새  [연아]</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176906109</link>
         <description><![CDATA[<div>아르곤은 전구-형광등-진공관 등 내부충진 물질로 쓰입니다.&nbsp; 철장의 제조나 용접,반도체의 체조,금속의 제련등에도 많이 쓰입니다.  아르곤은 전구나 백열등을 만들수 있습니다.</div>]]></description>
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         <pubDate>2022-05-10 04:21:30 UTC</pubDate>
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      <item>
         <title>질소이현서</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176906546</link>
         <description><![CDATA[<div>과자 봉지안에 들어있들어있음<br><br></div>]]></description>
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         <pubDate>2022-05-10 04:21:56 UTC</pubDate>
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      <item>
         <title>네온 최태용</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176906600</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-05-10 04:22:00 UTC</pubDate>
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      </item>
      <item>
         <title>질소 (주승민)</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176906994</link>
         <description><![CDATA[질소]]></description>
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         <pubDate>2022-05-10 04:22:24 UTC</pubDate>
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      </item>
      <item>
         <title>네온의쓰임새(심재원)</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176907313</link>
         <description><![CDATA[<div>조명이나&nbsp;네온광고에 쓰인다</div>]]></description>
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         <pubDate>2022-05-10 04:22:45 UTC</pubDate>
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      <item>
         <title>네온 최태용 </title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176907322</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-05-10 04:22:45 UTC</pubDate>
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      <item>
         <title>이산화탄소 이태현</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176907795</link>
         <description><![CDATA[ㅋ]]></description>
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         <pubDate>2022-05-10 04:23:14 UTC</pubDate>
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      </item>
      <item>
         <title>네온의 쓰임새 (최서정)</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176907944</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-05-10 04:23:24 UTC</pubDate>
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      </item>
      <item>
         <title>이산화탄소 이현서</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176908642</link>
         <description><![CDATA[<div>불을 끄는데 사용<br><br></div>]]></description>
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         <pubDate>2022-05-10 04:24:04 UTC</pubDate>
         <guid>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176908642</guid>
      </item>
      <item>
         <title>질소 김민균</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176908915</link>
         <description><![CDATA[<div>1.질소는 봉지과자에 사용되기도 한다.질소는 공기와 다르게 빵빵해 물에서도 붕붕 뜰수일다.<br>2.산소통에도 질소가 사용되는데 산소와 질소는 숨을<br>쉴수있게도 도와준다.</div>]]></description>
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         <pubDate>2022-05-10 04:24:18 UTC</pubDate>
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      </item>
      <item>
         <title>질소의쓰임새(장재윤)</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176909380</link>
         <description><![CDATA[<div>과자봉지안에 질소가 들어있다</div>]]></description>
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         <pubDate>2022-05-10 04:24:45 UTC</pubDate>
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      </item>
      <item>
         <title>질소 과자 이수빈</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176909753</link>
         <description><![CDATA[<div>식품을 신선하게 보관한다</div>]]></description>
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         <pubDate>2022-05-10 04:25:04 UTC</pubDate>
         <guid>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176909753</guid>
      </item>
      <item>
         <title>크립톤</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176909863</link>
         <description><![CDATA[<div><strong>상태 : </strong>무색무취의<br>체<strong>원자번호: </strong>36<br><strong>원자량 :&nbsp; u</strong>83.798(2)<br><strong>녹는점 : °C</strong>−157.37<br><strong>끓는점 : °C</strong>−153.415<br><strong>밀도 : g/L </strong>0℃, 101.325 kPa 에서 3.749<br>크립톤(Kr)은 주기율표에서 <br><a href="https://m.terms.naver.com/entry.naver?docId=5707652&amp;ref=y">헬륨</a>(He), <a href="https://m.terms.naver.com/entry.naver?docId=5663065&amp;ref=y">네온</a>(Ne), <a href="https://m.terms.naver.com/entry.naver?docId=5662728&amp;ref=y">아르곤</a>(Ar), <a href="https://m.terms.naver.com/entry.naver?docId=5663000&amp;ref=y">제논</a>(Xe), <a href="https://m.terms.naver.com/entry.naver?docId=5663165&amp;ref=y">라돈</a>(Rn)과<br> 함께 18족 <a href="https://m.terms.naver.com/entry.naver?docId=5662773&amp;ref=y">기체</a>(noble gas)로 분류되어 있으며,<br> 맛, 색, 냄새가 없고<br> 공기 중에 대략 1백만분의 1 <a href="https://m.terms.naver.com/entry.naver?docId=5827445&amp;ref=y">부피</a> 비로 매우 희박하게<br> 존재하는 희유 기체(rare gas)이다.<br>&nbsp;<br>쓰임새 : 주로 형광등이나 사진 촬영 플래시에 사용된다.<br><br>이상헌 7번<br><br></div>]]></description>
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         <pubDate>2022-05-10 04:25:10 UTC</pubDate>
         <guid>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176909863</guid>
      </item>
      <item>
         <title>헬륨의 쓰임새(심재원)</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176910654</link>
         <description><![CDATA[]]></description>
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         <pubDate>2022-05-10 04:25:51 UTC</pubDate>
         <guid>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176910654</guid>
      </item>
      <item>
         <title>수소 이현서</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176910863</link>
         <description><![CDATA[<div>기체중 젤 가벼움<br>미래의 에너지<br>전기로 바꿀수 있음</div>]]></description>
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         <pubDate>2022-05-10 04:26:03 UTC</pubDate>
         <guid>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176910863</guid>
      </item>
      <item>
         <title>헬륨 서지우</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176911539</link>
         <description><![CDATA[<div>헬륨의 쓰임새<br>1.목소리 변조<br>2.헬륨 마셔서 목소리 변조</div>]]></description>
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         <pubDate>2022-05-10 04:26:40 UTC</pubDate>
         <guid>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176911539</guid>
      </item>
      <item>
         <title>손끼끼</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176911559</link>
         <description><![CDATA[<div>1.고체 <strong>이산화 탄소</strong>인 드라이아이스는 냉각제로 사용된다.<br>2.<strong>이산화 탄소</strong>는 소화기에 사용된다.<br>3.특히 물을 사용하기가 곤란한 전기로 인한 화재를 진압할 때 효과적이다.</div>]]></description>
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         <pubDate>2022-05-10 04:26:41 UTC</pubDate>
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      </item>
      <item>
         <title>크립톤의 쓰임새  [연아]</title>
         <author></author>
         <link>https://padlet.com/skyletter25/uq795abiliu7njf5/wish/2176913654</link>
         <description><![CDATA[<div>크립톤 전구 : 크립톤 가스를 봉입해서 방사효율을 높인 백열전구 입니다.</div><div>제논 램프 : 고압 제논 가스에 전기를 통과시켜 빛을 내는 램프입니다.</div>]]></description>
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         <pubDate>2022-05-10 04:28:21 UTC</pubDate>
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