<delect id="hv7l1"><video id="hv7l1"></video></delect>

<video id="hv7l1"></video>
<p id="hv7l1"></p>
<p id="hv7l1"></p>

<p id="hv7l1"></p>

<video id="hv7l1"></video><p id="hv7l1"></p><video id="hv7l1"><output id="hv7l1"><font id="hv7l1"></font></output></video>

<p id="hv7l1"></p>
<p id="hv7l1"><delect id="hv7l1"><font id="hv7l1"></font></delect></p><noframes id="hv7l1">

<p id="hv7l1"></p>

<video id="hv7l1"><p id="hv7l1"></p></video>

<video id="hv7l1"><output id="hv7l1"></output></video>
<p id="hv7l1"><output id="hv7l1"><delect id="hv7l1"></delect></output></p><video id="hv7l1"></video><p id="hv7l1"></p><video id="hv7l1"><output id="hv7l1"><delect id="hv7l1"></delect></output></video>
<video id="hv7l1"></video>

<p id="hv7l1"></p>

<video id="hv7l1"><output id="hv7l1"><delect id="hv7l1"></delect></output></video>
<video id="hv7l1"><output id="hv7l1"><font id="hv7l1"></font></output></video><p id="hv7l1"></p>

<video id="hv7l1"></video>
<p id="hv7l1"></p>
<video id="hv7l1"></video><video id="hv7l1"><output id="hv7l1"><font id="hv7l1"></font></output></video><noframes id="hv7l1"><p id="hv7l1"><delect id="hv7l1"></delect></p><p id="hv7l1"></p>

<video id="hv7l1"></video>

<p id="hv7l1"><delect id="hv7l1"><font id="hv7l1"></font></delect></p><p id="hv7l1"></p>
產品展示

氫氣

閱讀:2392

氫氣:氫氣(Hydrogen)是世界上已知的最輕的氣體。它的密度非常小,只有空氣的1/14,即在標準大氣壓,0℃下,氫氣的密度為0.0899g/L。


用于氫氧焰、氫氧電池、充填氣球、冶煉鎢和鉬等重要金屬,制造氨和鹽酸,液態氫可以做火箭或導彈的高能燃料,氫氣也是未來的新型高能燃料,在有機合成中,氫用于合成甲醇、合成人造石油和不飽合烴的加成等。 氫氣具有廣泛的用途。例如,用它來充灌氣球;氫氣在氧氣中燃燒放出大量的熱,其火焰——氫氧焰的溫度達3000℃,可用來焊接或切割金屬。液態氫可作火箭或導彈的高能燃料。氫氣作為燃料具有資源豐富、燃燒發熱量高和污染少的特點。今后如能在利用太陽能和水制取氫氣的技術上有重大突破,氫氣將成為一種重要的新型燃料。氫氣還在冶金、化學工業等方面有著廣泛的應用。


上一篇: 二氧化碳
下一篇: 一氧化碳
微信關注我們
在線咨詢
周一至周五 9:00-17:00
備案號: 遼ICP備2020015213號-1 證書編號:(遼)-非經營性-2020-0217 技術支持:鳳巢網絡
性色AV一区二区三区

<delect id="hv7l1"><video id="hv7l1"></video></delect>

<video id="hv7l1"></video>
<p id="hv7l1"></p>
<p id="hv7l1"></p>

<p id="hv7l1"></p>

<video id="hv7l1"></video><p id="hv7l1"></p><video id="hv7l1"><output id="hv7l1"><font id="hv7l1"></font></output></video>

<p id="hv7l1"></p>
<p id="hv7l1"><delect id="hv7l1"><font id="hv7l1"></font></delect></p><noframes id="hv7l1">

<p id="hv7l1"></p>

<video id="hv7l1"><p id="hv7l1"></p></video>

<video id="hv7l1"><output id="hv7l1"></output></video>
<p id="hv7l1"><output id="hv7l1"><delect id="hv7l1"></delect></output></p><video id="hv7l1"></video><p id="hv7l1"></p><video id="hv7l1"><output id="hv7l1"><delect id="hv7l1"></delect></output></video>
<video id="hv7l1"></video>

<p id="hv7l1"></p>

<video id="hv7l1"><output id="hv7l1"><delect id="hv7l1"></delect></output></video>
<video id="hv7l1"><output id="hv7l1"><font id="hv7l1"></font></output></video><p id="hv7l1"></p>

<video id="hv7l1"></video>
<p id="hv7l1"></p>
<video id="hv7l1"></video><video id="hv7l1"><output id="hv7l1"><font id="hv7l1"></font></output></video><noframes id="hv7l1"><p id="hv7l1"><delect id="hv7l1"></delect></p><p id="hv7l1"></p>

<video id="hv7l1"></video>

<p id="hv7l1"><delect id="hv7l1"><font id="hv7l1"></font></delect></p><p id="hv7l1"></p>